git_store.rs

   1pub mod branch_diff;
   2mod conflict_set;
   3pub mod git_traversal;
   4pub mod pending_op;
   5
   6use crate::{
   7    ProjectEnvironment, ProjectItem, ProjectPath,
   8    buffer_store::{BufferStore, BufferStoreEvent},
   9    trusted_worktrees::{
  10        PathTrust, TrustedWorktrees, TrustedWorktreesEvent, TrustedWorktreesStore,
  11    },
  12    worktree_store::{WorktreeStore, WorktreeStoreEvent},
  13};
  14use anyhow::{Context as _, Result, anyhow, bail};
  15use askpass::{AskPassDelegate, EncryptedPassword, IKnowWhatIAmDoingAndIHaveReadTheDocs};
  16use buffer_diff::{BufferDiff, BufferDiffEvent};
  17use client::ProjectId;
  18use collections::HashMap;
  19pub use conflict_set::{ConflictRegion, ConflictSet, ConflictSetSnapshot, ConflictSetUpdate};
  20use fs::Fs;
  21use futures::{
  22    FutureExt, StreamExt,
  23    channel::{
  24        mpsc,
  25        oneshot::{self, Canceled},
  26    },
  27    future::{self, BoxFuture, Shared},
  28    stream::FuturesOrdered,
  29};
  30use git::{
  31    BuildPermalinkParams, GitHostingProviderRegistry, Oid, RunHook,
  32    blame::Blame,
  33    parse_git_remote_url,
  34    repository::{
  35        Branch, CommitDetails, CommitDiff, CommitFile, CommitOptions, DiffType, FetchOptions,
  36        GitRepository, GitRepositoryCheckpoint, GraphCommitData, InitialGraphCommitData, LogOrder,
  37        LogSource, PushOptions, Remote, RemoteCommandOutput, RepoPath, ResetMode, SearchCommitArgs,
  38        UpstreamTrackingStatus, Worktree as GitWorktree,
  39    },
  40    stash::{GitStash, StashEntry},
  41    status::{
  42        self, DiffStat, DiffTreeType, FileStatus, GitSummary, StatusCode, TrackedStatus, TreeDiff,
  43        TreeDiffStatus, UnmergedStatus, UnmergedStatusCode,
  44    },
  45};
  46use gpui::{
  47    App, AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Subscription, Task,
  48    WeakEntity,
  49};
  50use language::{
  51    Buffer, BufferEvent, Language, LanguageRegistry,
  52    proto::{deserialize_version, serialize_version},
  53};
  54use parking_lot::Mutex;
  55use pending_op::{PendingOp, PendingOpId, PendingOps, PendingOpsSummary};
  56use postage::stream::Stream as _;
  57use rpc::{
  58    AnyProtoClient, TypedEnvelope,
  59    proto::{self, git_reset, split_repository_update},
  60};
  61use serde::Deserialize;
  62use settings::WorktreeId;
  63use smol::future::yield_now;
  64use std::{
  65    cmp::Ordering,
  66    collections::{BTreeSet, HashSet, VecDeque, hash_map::Entry},
  67    future::Future,
  68    mem,
  69    ops::Range,
  70    path::{Path, PathBuf},
  71    str::FromStr,
  72    sync::{
  73        Arc,
  74        atomic::{self, AtomicU64},
  75    },
  76    time::Instant,
  77};
  78use sum_tree::{Edit, SumTree, TreeMap};
  79use task::Shell;
  80use text::{Bias, BufferId};
  81use util::{
  82    ResultExt, debug_panic,
  83    paths::{PathStyle, SanitizedPath},
  84    post_inc,
  85    rel_path::RelPath,
  86};
  87use worktree::{
  88    File, PathChange, PathKey, PathProgress, PathSummary, PathTarget, ProjectEntryId,
  89    UpdatedGitRepositoriesSet, UpdatedGitRepository, Worktree,
  90};
  91use zeroize::Zeroize;
  92
  93pub struct GitStore {
  94    state: GitStoreState,
  95    buffer_store: Entity<BufferStore>,
  96    worktree_store: Entity<WorktreeStore>,
  97    repositories: HashMap<RepositoryId, Entity<Repository>>,
  98    worktree_ids: HashMap<RepositoryId, HashSet<WorktreeId>>,
  99    active_repo_id: Option<RepositoryId>,
 100    #[allow(clippy::type_complexity)]
 101    loading_diffs:
 102        HashMap<(BufferId, DiffKind), Shared<Task<Result<Entity<BufferDiff>, Arc<anyhow::Error>>>>>,
 103    diffs: HashMap<BufferId, Entity<BufferGitState>>,
 104    shared_diffs: HashMap<proto::PeerId, HashMap<BufferId, SharedDiffs>>,
 105    _subscriptions: Vec<Subscription>,
 106}
 107
 108#[derive(Default)]
 109struct SharedDiffs {
 110    unstaged: Option<Entity<BufferDiff>>,
 111    uncommitted: Option<Entity<BufferDiff>>,
 112}
 113
 114struct BufferGitState {
 115    unstaged_diff: Option<WeakEntity<BufferDiff>>,
 116    uncommitted_diff: Option<WeakEntity<BufferDiff>>,
 117    oid_diffs: HashMap<Option<git::Oid>, WeakEntity<BufferDiff>>,
 118    conflict_set: Option<WeakEntity<ConflictSet>>,
 119    recalculate_diff_task: Option<Task<Result<()>>>,
 120    reparse_conflict_markers_task: Option<Task<Result<()>>>,
 121    language: Option<Arc<Language>>,
 122    language_registry: Option<Arc<LanguageRegistry>>,
 123    conflict_updated_futures: Vec<oneshot::Sender<()>>,
 124    recalculating_tx: postage::watch::Sender<bool>,
 125
 126    /// These operation counts are used to ensure that head and index text
 127    /// values read from the git repository are up-to-date with any hunk staging
 128    /// operations that have been performed on the BufferDiff.
 129    ///
 130    /// The operation count is incremented immediately when the user initiates a
 131    /// hunk stage/unstage operation. Then, upon finishing writing the new index
 132    /// text do disk, the `operation count as of write` is updated to reflect
 133    /// the operation count that prompted the write.
 134    hunk_staging_operation_count: usize,
 135    hunk_staging_operation_count_as_of_write: usize,
 136
 137    head_text: Option<Arc<str>>,
 138    index_text: Option<Arc<str>>,
 139    oid_texts: HashMap<git::Oid, Arc<str>>,
 140    head_changed: bool,
 141    index_changed: bool,
 142    language_changed: bool,
 143}
 144
 145#[derive(Clone, Debug)]
 146enum DiffBasesChange {
 147    SetIndex(Option<String>),
 148    SetHead(Option<String>),
 149    SetEach {
 150        index: Option<String>,
 151        head: Option<String>,
 152    },
 153    SetBoth(Option<String>),
 154}
 155
 156#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
 157enum DiffKind {
 158    Unstaged,
 159    Uncommitted,
 160    SinceOid(Option<git::Oid>),
 161}
 162
 163enum GitStoreState {
 164    Local {
 165        next_repository_id: Arc<AtomicU64>,
 166        downstream: Option<LocalDownstreamState>,
 167        project_environment: Entity<ProjectEnvironment>,
 168        fs: Arc<dyn Fs>,
 169    },
 170    Remote {
 171        upstream_client: AnyProtoClient,
 172        upstream_project_id: u64,
 173        downstream: Option<(AnyProtoClient, ProjectId)>,
 174    },
 175}
 176
 177enum DownstreamUpdate {
 178    UpdateRepository(RepositorySnapshot),
 179    RemoveRepository(RepositoryId),
 180}
 181
 182struct LocalDownstreamState {
 183    client: AnyProtoClient,
 184    project_id: ProjectId,
 185    updates_tx: mpsc::UnboundedSender<DownstreamUpdate>,
 186    _task: Task<Result<()>>,
 187}
 188
 189#[derive(Clone, Debug)]
 190pub struct GitStoreCheckpoint {
 191    checkpoints_by_work_dir_abs_path: HashMap<Arc<Path>, GitRepositoryCheckpoint>,
 192}
 193
 194#[derive(Clone, Debug, PartialEq, Eq)]
 195pub struct StatusEntry {
 196    pub repo_path: RepoPath,
 197    pub status: FileStatus,
 198    pub diff_stat: Option<DiffStat>,
 199}
 200
 201impl StatusEntry {
 202    fn to_proto(&self) -> proto::StatusEntry {
 203        let simple_status = match self.status {
 204            FileStatus::Ignored | FileStatus::Untracked => proto::GitStatus::Added as i32,
 205            FileStatus::Unmerged { .. } => proto::GitStatus::Conflict as i32,
 206            FileStatus::Tracked(TrackedStatus {
 207                index_status,
 208                worktree_status,
 209            }) => tracked_status_to_proto(if worktree_status != StatusCode::Unmodified {
 210                worktree_status
 211            } else {
 212                index_status
 213            }),
 214        };
 215
 216        proto::StatusEntry {
 217            repo_path: self.repo_path.to_proto(),
 218            simple_status,
 219            status: Some(status_to_proto(self.status)),
 220            diff_stat_added: self.diff_stat.map(|ds| ds.added),
 221            diff_stat_deleted: self.diff_stat.map(|ds| ds.deleted),
 222        }
 223    }
 224}
 225
 226impl TryFrom<proto::StatusEntry> for StatusEntry {
 227    type Error = anyhow::Error;
 228
 229    fn try_from(value: proto::StatusEntry) -> Result<Self, Self::Error> {
 230        let repo_path = RepoPath::from_proto(&value.repo_path).context("invalid repo path")?;
 231        let status = status_from_proto(value.simple_status, value.status)?;
 232        let diff_stat = match (value.diff_stat_added, value.diff_stat_deleted) {
 233            (Some(added), Some(deleted)) => Some(DiffStat { added, deleted }),
 234            _ => None,
 235        };
 236        Ok(Self {
 237            repo_path,
 238            status,
 239            diff_stat,
 240        })
 241    }
 242}
 243
 244impl sum_tree::Item for StatusEntry {
 245    type Summary = PathSummary<GitSummary>;
 246
 247    fn summary(&self, _: <Self::Summary as sum_tree::Summary>::Context<'_>) -> Self::Summary {
 248        PathSummary {
 249            max_path: self.repo_path.as_ref().clone(),
 250            item_summary: self.status.summary(),
 251        }
 252    }
 253}
 254
 255impl sum_tree::KeyedItem for StatusEntry {
 256    type Key = PathKey;
 257
 258    fn key(&self) -> Self::Key {
 259        PathKey(self.repo_path.as_ref().clone())
 260    }
 261}
 262
 263#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 264pub struct RepositoryId(pub u64);
 265
 266#[derive(Clone, Debug, Default, PartialEq, Eq)]
 267pub struct MergeDetails {
 268    pub merge_heads_by_conflicted_path: TreeMap<RepoPath, Vec<Option<SharedString>>>,
 269    pub message: Option<SharedString>,
 270}
 271
 272#[derive(Clone)]
 273pub enum CommitDataState {
 274    Loading,
 275    Loaded(Arc<GraphCommitData>),
 276}
 277
 278#[derive(Clone, Debug, PartialEq, Eq)]
 279pub struct RepositorySnapshot {
 280    pub id: RepositoryId,
 281    pub statuses_by_path: SumTree<StatusEntry>,
 282    pub work_directory_abs_path: Arc<Path>,
 283    /// The working directory of the original repository. For a normal
 284    /// checkout this equals `work_directory_abs_path`. For a git worktree
 285    /// checkout, this is the original repo's working directory — used to
 286    /// anchor new worktree creation so they don't nest.
 287    pub original_repo_abs_path: Arc<Path>,
 288    pub path_style: PathStyle,
 289    pub branch: Option<Branch>,
 290    pub head_commit: Option<CommitDetails>,
 291    pub scan_id: u64,
 292    pub merge: MergeDetails,
 293    pub remote_origin_url: Option<String>,
 294    pub remote_upstream_url: Option<String>,
 295    pub stash_entries: GitStash,
 296    pub linked_worktrees: Arc<[GitWorktree]>,
 297}
 298
 299type JobId = u64;
 300
 301#[derive(Clone, Debug, PartialEq, Eq)]
 302pub struct JobInfo {
 303    pub start: Instant,
 304    pub message: SharedString,
 305}
 306
 307struct GraphCommitDataHandler {
 308    _task: Task<()>,
 309    commit_data_request: smol::channel::Sender<Oid>,
 310}
 311
 312enum GraphCommitHandlerState {
 313    Starting,
 314    Open(GraphCommitDataHandler),
 315    Closed,
 316}
 317
 318pub struct InitialGitGraphData {
 319    fetch_task: Task<()>,
 320    pub error: Option<SharedString>,
 321    pub commit_data: Vec<Arc<InitialGraphCommitData>>,
 322    pub commit_oid_to_index: HashMap<Oid, usize>,
 323}
 324
 325pub struct GraphDataResponse<'a> {
 326    pub commits: &'a [Arc<InitialGraphCommitData>],
 327    pub is_loading: bool,
 328    pub error: Option<SharedString>,
 329}
 330
 331pub struct Repository {
 332    this: WeakEntity<Self>,
 333    snapshot: RepositorySnapshot,
 334    commit_message_buffer: Option<Entity<Buffer>>,
 335    git_store: WeakEntity<GitStore>,
 336    // For a local repository, holds paths that have had worktree events since the last status scan completed,
 337    // and that should be examined during the next status scan.
 338    paths_needing_status_update: Vec<Vec<RepoPath>>,
 339    job_sender: mpsc::UnboundedSender<GitJob>,
 340    active_jobs: HashMap<JobId, JobInfo>,
 341    pending_ops: SumTree<PendingOps>,
 342    job_id: JobId,
 343    askpass_delegates: Arc<Mutex<HashMap<u64, AskPassDelegate>>>,
 344    latest_askpass_id: u64,
 345    repository_state: Shared<Task<Result<RepositoryState, String>>>,
 346    initial_graph_data: HashMap<(LogSource, LogOrder), InitialGitGraphData>,
 347    graph_commit_data_handler: GraphCommitHandlerState,
 348    commit_data: HashMap<Oid, CommitDataState>,
 349}
 350
 351impl std::ops::Deref for Repository {
 352    type Target = RepositorySnapshot;
 353
 354    fn deref(&self) -> &Self::Target {
 355        &self.snapshot
 356    }
 357}
 358
 359#[derive(Clone)]
 360pub struct LocalRepositoryState {
 361    pub fs: Arc<dyn Fs>,
 362    pub backend: Arc<dyn GitRepository>,
 363    pub environment: Arc<HashMap<String, String>>,
 364}
 365
 366impl LocalRepositoryState {
 367    async fn new(
 368        work_directory_abs_path: Arc<Path>,
 369        dot_git_abs_path: Arc<Path>,
 370        project_environment: WeakEntity<ProjectEnvironment>,
 371        fs: Arc<dyn Fs>,
 372        is_trusted: bool,
 373        cx: &mut AsyncApp,
 374    ) -> anyhow::Result<Self> {
 375        let environment = project_environment
 376                .update(cx, |project_environment, cx| {
 377                    project_environment.local_directory_environment(&Shell::System, work_directory_abs_path.clone(), cx)
 378                })?
 379                .await
 380                .unwrap_or_else(|| {
 381                    log::error!("failed to get working directory environment for repository {work_directory_abs_path:?}");
 382                    HashMap::default()
 383                });
 384        let search_paths = environment.get("PATH").map(|val| val.to_owned());
 385        let backend = cx
 386            .background_spawn({
 387                let fs = fs.clone();
 388                async move {
 389                    let system_git_binary_path = search_paths
 390                        .and_then(|search_paths| {
 391                            which::which_in("git", Some(search_paths), &work_directory_abs_path)
 392                                .ok()
 393                        })
 394                        .or_else(|| which::which("git").ok());
 395                    fs.open_repo(&dot_git_abs_path, system_git_binary_path.as_deref())
 396                        .with_context(|| format!("opening repository at {dot_git_abs_path:?}"))
 397                }
 398            })
 399            .await?;
 400        backend.set_trusted(is_trusted);
 401        Ok(LocalRepositoryState {
 402            backend,
 403            environment: Arc::new(environment),
 404            fs,
 405        })
 406    }
 407}
 408
 409#[derive(Clone)]
 410pub struct RemoteRepositoryState {
 411    pub project_id: ProjectId,
 412    pub client: AnyProtoClient,
 413}
 414
 415#[derive(Clone)]
 416pub enum RepositoryState {
 417    Local(LocalRepositoryState),
 418    Remote(RemoteRepositoryState),
 419}
 420
 421#[derive(Clone, Debug, PartialEq, Eq)]
 422pub enum GitGraphEvent {
 423    CountUpdated(usize),
 424    FullyLoaded,
 425    LoadingError,
 426}
 427
 428#[derive(Clone, Debug, PartialEq, Eq)]
 429pub enum RepositoryEvent {
 430    StatusesChanged,
 431    BranchChanged,
 432    StashEntriesChanged,
 433    GitWorktreeListChanged,
 434    PendingOpsChanged { pending_ops: SumTree<PendingOps> },
 435    GraphEvent((LogSource, LogOrder), GitGraphEvent),
 436}
 437
 438#[derive(Clone, Debug)]
 439pub struct JobsUpdated;
 440
 441#[derive(Debug)]
 442pub enum GitStoreEvent {
 443    ActiveRepositoryChanged(Option<RepositoryId>),
 444    /// Bool is true when the repository that's updated is the active repository
 445    RepositoryUpdated(RepositoryId, RepositoryEvent, bool),
 446    RepositoryAdded,
 447    RepositoryRemoved(RepositoryId),
 448    IndexWriteError(anyhow::Error),
 449    JobsUpdated,
 450    ConflictsUpdated,
 451}
 452
 453impl EventEmitter<RepositoryEvent> for Repository {}
 454impl EventEmitter<JobsUpdated> for Repository {}
 455impl EventEmitter<GitStoreEvent> for GitStore {}
 456
 457pub struct GitJob {
 458    job: Box<dyn FnOnce(RepositoryState, &mut AsyncApp) -> Task<()>>,
 459    key: Option<GitJobKey>,
 460}
 461
 462#[derive(PartialEq, Eq)]
 463enum GitJobKey {
 464    WriteIndex(Vec<RepoPath>),
 465    ReloadBufferDiffBases,
 466    RefreshStatuses,
 467    ReloadGitState,
 468}
 469
 470impl GitStore {
 471    pub fn local(
 472        worktree_store: &Entity<WorktreeStore>,
 473        buffer_store: Entity<BufferStore>,
 474        environment: Entity<ProjectEnvironment>,
 475        fs: Arc<dyn Fs>,
 476        cx: &mut Context<Self>,
 477    ) -> Self {
 478        Self::new(
 479            worktree_store.clone(),
 480            buffer_store,
 481            GitStoreState::Local {
 482                next_repository_id: Arc::new(AtomicU64::new(1)),
 483                downstream: None,
 484                project_environment: environment,
 485                fs,
 486            },
 487            cx,
 488        )
 489    }
 490
 491    pub fn remote(
 492        worktree_store: &Entity<WorktreeStore>,
 493        buffer_store: Entity<BufferStore>,
 494        upstream_client: AnyProtoClient,
 495        project_id: u64,
 496        cx: &mut Context<Self>,
 497    ) -> Self {
 498        Self::new(
 499            worktree_store.clone(),
 500            buffer_store,
 501            GitStoreState::Remote {
 502                upstream_client,
 503                upstream_project_id: project_id,
 504                downstream: None,
 505            },
 506            cx,
 507        )
 508    }
 509
 510    fn new(
 511        worktree_store: Entity<WorktreeStore>,
 512        buffer_store: Entity<BufferStore>,
 513        state: GitStoreState,
 514        cx: &mut Context<Self>,
 515    ) -> Self {
 516        let mut _subscriptions = vec![
 517            cx.subscribe(&worktree_store, Self::on_worktree_store_event),
 518            cx.subscribe(&buffer_store, Self::on_buffer_store_event),
 519        ];
 520
 521        if let Some(trusted_worktrees) = TrustedWorktrees::try_get_global(cx) {
 522            _subscriptions.push(cx.subscribe(&trusted_worktrees, Self::on_trusted_worktrees_event));
 523        }
 524
 525        GitStore {
 526            state,
 527            buffer_store,
 528            worktree_store,
 529            repositories: HashMap::default(),
 530            worktree_ids: HashMap::default(),
 531            active_repo_id: None,
 532            _subscriptions,
 533            loading_diffs: HashMap::default(),
 534            shared_diffs: HashMap::default(),
 535            diffs: HashMap::default(),
 536        }
 537    }
 538
 539    pub fn init(client: &AnyProtoClient) {
 540        client.add_entity_request_handler(Self::handle_get_remotes);
 541        client.add_entity_request_handler(Self::handle_get_branches);
 542        client.add_entity_request_handler(Self::handle_get_default_branch);
 543        client.add_entity_request_handler(Self::handle_change_branch);
 544        client.add_entity_request_handler(Self::handle_create_branch);
 545        client.add_entity_request_handler(Self::handle_rename_branch);
 546        client.add_entity_request_handler(Self::handle_create_remote);
 547        client.add_entity_request_handler(Self::handle_remove_remote);
 548        client.add_entity_request_handler(Self::handle_delete_branch);
 549        client.add_entity_request_handler(Self::handle_git_init);
 550        client.add_entity_request_handler(Self::handle_push);
 551        client.add_entity_request_handler(Self::handle_pull);
 552        client.add_entity_request_handler(Self::handle_fetch);
 553        client.add_entity_request_handler(Self::handle_stage);
 554        client.add_entity_request_handler(Self::handle_unstage);
 555        client.add_entity_request_handler(Self::handle_stash);
 556        client.add_entity_request_handler(Self::handle_stash_pop);
 557        client.add_entity_request_handler(Self::handle_stash_apply);
 558        client.add_entity_request_handler(Self::handle_stash_drop);
 559        client.add_entity_request_handler(Self::handle_commit);
 560        client.add_entity_request_handler(Self::handle_run_hook);
 561        client.add_entity_request_handler(Self::handle_reset);
 562        client.add_entity_request_handler(Self::handle_show);
 563        client.add_entity_request_handler(Self::handle_load_commit_diff);
 564        client.add_entity_request_handler(Self::handle_file_history);
 565        client.add_entity_request_handler(Self::handle_checkout_files);
 566        client.add_entity_request_handler(Self::handle_open_commit_message_buffer);
 567        client.add_entity_request_handler(Self::handle_set_index_text);
 568        client.add_entity_request_handler(Self::handle_askpass);
 569        client.add_entity_request_handler(Self::handle_check_for_pushed_commits);
 570        client.add_entity_request_handler(Self::handle_git_diff);
 571        client.add_entity_request_handler(Self::handle_tree_diff);
 572        client.add_entity_request_handler(Self::handle_get_blob_content);
 573        client.add_entity_request_handler(Self::handle_open_unstaged_diff);
 574        client.add_entity_request_handler(Self::handle_open_uncommitted_diff);
 575        client.add_entity_message_handler(Self::handle_update_diff_bases);
 576        client.add_entity_request_handler(Self::handle_get_permalink_to_line);
 577        client.add_entity_request_handler(Self::handle_blame_buffer);
 578        client.add_entity_message_handler(Self::handle_update_repository);
 579        client.add_entity_message_handler(Self::handle_remove_repository);
 580        client.add_entity_request_handler(Self::handle_git_clone);
 581        client.add_entity_request_handler(Self::handle_get_worktrees);
 582        client.add_entity_request_handler(Self::handle_create_worktree);
 583        client.add_entity_request_handler(Self::handle_remove_worktree);
 584        client.add_entity_request_handler(Self::handle_rename_worktree);
 585    }
 586
 587    pub fn is_local(&self) -> bool {
 588        matches!(self.state, GitStoreState::Local { .. })
 589    }
 590    pub fn set_active_repo_for_path(&mut self, project_path: &ProjectPath, cx: &mut Context<Self>) {
 591        if let Some((repo, _)) = self.repository_and_path_for_project_path(project_path, cx) {
 592            let id = repo.read(cx).id;
 593            if self.active_repo_id != Some(id) {
 594                self.active_repo_id = Some(id);
 595                cx.emit(GitStoreEvent::ActiveRepositoryChanged(Some(id)));
 596            }
 597        }
 598    }
 599
 600    pub fn shared(&mut self, project_id: u64, client: AnyProtoClient, cx: &mut Context<Self>) {
 601        match &mut self.state {
 602            GitStoreState::Remote {
 603                downstream: downstream_client,
 604                ..
 605            } => {
 606                for repo in self.repositories.values() {
 607                    let update = repo.read(cx).snapshot.initial_update(project_id);
 608                    for update in split_repository_update(update) {
 609                        client.send(update).log_err();
 610                    }
 611                }
 612                *downstream_client = Some((client, ProjectId(project_id)));
 613            }
 614            GitStoreState::Local {
 615                downstream: downstream_client,
 616                ..
 617            } => {
 618                let mut snapshots = HashMap::default();
 619                let (updates_tx, mut updates_rx) = mpsc::unbounded();
 620                for repo in self.repositories.values() {
 621                    updates_tx
 622                        .unbounded_send(DownstreamUpdate::UpdateRepository(
 623                            repo.read(cx).snapshot.clone(),
 624                        ))
 625                        .ok();
 626                }
 627                *downstream_client = Some(LocalDownstreamState {
 628                    client: client.clone(),
 629                    project_id: ProjectId(project_id),
 630                    updates_tx,
 631                    _task: cx.spawn(async move |this, cx| {
 632                        cx.background_spawn(async move {
 633                            while let Some(update) = updates_rx.next().await {
 634                                match update {
 635                                    DownstreamUpdate::UpdateRepository(snapshot) => {
 636                                        if let Some(old_snapshot) = snapshots.get_mut(&snapshot.id)
 637                                        {
 638                                            let update =
 639                                                snapshot.build_update(old_snapshot, project_id);
 640                                            *old_snapshot = snapshot;
 641                                            for update in split_repository_update(update) {
 642                                                client.send(update)?;
 643                                            }
 644                                        } else {
 645                                            let update = snapshot.initial_update(project_id);
 646                                            for update in split_repository_update(update) {
 647                                                client.send(update)?;
 648                                            }
 649                                            snapshots.insert(snapshot.id, snapshot);
 650                                        }
 651                                    }
 652                                    DownstreamUpdate::RemoveRepository(id) => {
 653                                        client.send(proto::RemoveRepository {
 654                                            project_id,
 655                                            id: id.to_proto(),
 656                                        })?;
 657                                    }
 658                                }
 659                            }
 660                            anyhow::Ok(())
 661                        })
 662                        .await
 663                        .ok();
 664                        this.update(cx, |this, _| {
 665                            if let GitStoreState::Local {
 666                                downstream: downstream_client,
 667                                ..
 668                            } = &mut this.state
 669                            {
 670                                downstream_client.take();
 671                            } else {
 672                                unreachable!("unshared called on remote store");
 673                            }
 674                        })
 675                    }),
 676                });
 677            }
 678        }
 679    }
 680
 681    pub fn unshared(&mut self, _cx: &mut Context<Self>) {
 682        match &mut self.state {
 683            GitStoreState::Local {
 684                downstream: downstream_client,
 685                ..
 686            } => {
 687                downstream_client.take();
 688            }
 689            GitStoreState::Remote {
 690                downstream: downstream_client,
 691                ..
 692            } => {
 693                downstream_client.take();
 694            }
 695        }
 696        self.shared_diffs.clear();
 697    }
 698
 699    pub(crate) fn forget_shared_diffs_for(&mut self, peer_id: &proto::PeerId) {
 700        self.shared_diffs.remove(peer_id);
 701    }
 702
 703    pub fn active_repository(&self) -> Option<Entity<Repository>> {
 704        self.active_repo_id
 705            .as_ref()
 706            .map(|id| self.repositories[id].clone())
 707    }
 708
 709    pub fn open_unstaged_diff(
 710        &mut self,
 711        buffer: Entity<Buffer>,
 712        cx: &mut Context<Self>,
 713    ) -> Task<Result<Entity<BufferDiff>>> {
 714        let buffer_id = buffer.read(cx).remote_id();
 715        if let Some(diff_state) = self.diffs.get(&buffer_id)
 716            && let Some(unstaged_diff) = diff_state
 717                .read(cx)
 718                .unstaged_diff
 719                .as_ref()
 720                .and_then(|weak| weak.upgrade())
 721        {
 722            if let Some(task) =
 723                diff_state.update(cx, |diff_state, _| diff_state.wait_for_recalculation())
 724            {
 725                return cx.background_executor().spawn(async move {
 726                    task.await;
 727                    Ok(unstaged_diff)
 728                });
 729            }
 730            return Task::ready(Ok(unstaged_diff));
 731        }
 732
 733        let Some((repo, repo_path)) =
 734            self.repository_and_path_for_buffer_id(buffer.read(cx).remote_id(), cx)
 735        else {
 736            return Task::ready(Err(anyhow!("failed to find git repository for buffer")));
 737        };
 738
 739        let task = self
 740            .loading_diffs
 741            .entry((buffer_id, DiffKind::Unstaged))
 742            .or_insert_with(|| {
 743                let staged_text = repo.update(cx, |repo, cx| {
 744                    repo.load_staged_text(buffer_id, repo_path, cx)
 745                });
 746                cx.spawn(async move |this, cx| {
 747                    Self::open_diff_internal(
 748                        this,
 749                        DiffKind::Unstaged,
 750                        staged_text.await.map(DiffBasesChange::SetIndex),
 751                        buffer,
 752                        cx,
 753                    )
 754                    .await
 755                    .map_err(Arc::new)
 756                })
 757                .shared()
 758            })
 759            .clone();
 760
 761        cx.background_spawn(async move { task.await.map_err(|e| anyhow!("{e}")) })
 762    }
 763
 764    pub fn open_diff_since(
 765        &mut self,
 766        oid: Option<git::Oid>,
 767        buffer: Entity<Buffer>,
 768        repo: Entity<Repository>,
 769        cx: &mut Context<Self>,
 770    ) -> Task<Result<Entity<BufferDiff>>> {
 771        let buffer_id = buffer.read(cx).remote_id();
 772
 773        if let Some(diff_state) = self.diffs.get(&buffer_id)
 774            && let Some(oid_diff) = diff_state.read(cx).oid_diff(oid)
 775        {
 776            if let Some(task) =
 777                diff_state.update(cx, |diff_state, _| diff_state.wait_for_recalculation())
 778            {
 779                return cx.background_executor().spawn(async move {
 780                    task.await;
 781                    Ok(oid_diff)
 782                });
 783            }
 784            return Task::ready(Ok(oid_diff));
 785        }
 786
 787        let diff_kind = DiffKind::SinceOid(oid);
 788        if let Some(task) = self.loading_diffs.get(&(buffer_id, diff_kind)) {
 789            let task = task.clone();
 790            return cx.background_spawn(async move { task.await.map_err(|e| anyhow!("{e}")) });
 791        }
 792
 793        let task = cx
 794            .spawn(async move |this, cx| {
 795                let result: Result<Entity<BufferDiff>> = async {
 796                    let buffer_snapshot = buffer.update(cx, |buffer, _| buffer.snapshot());
 797                    let language_registry =
 798                        buffer.update(cx, |buffer, _| buffer.language_registry());
 799                    let content: Option<Arc<str>> = match oid {
 800                        None => None,
 801                        Some(oid) => Some(
 802                            repo.update(cx, |repo, cx| repo.load_blob_content(oid, cx))
 803                                .await?
 804                                .into(),
 805                        ),
 806                    };
 807                    let buffer_diff = cx.new(|cx| BufferDiff::new(&buffer_snapshot, cx));
 808
 809                    buffer_diff
 810                        .update(cx, |buffer_diff, cx| {
 811                            buffer_diff.language_changed(
 812                                buffer_snapshot.language().cloned(),
 813                                language_registry,
 814                                cx,
 815                            );
 816                            buffer_diff.set_base_text(
 817                                content.clone(),
 818                                buffer_snapshot.language().cloned(),
 819                                buffer_snapshot.text,
 820                                cx,
 821                            )
 822                        })
 823                        .await?;
 824                    let unstaged_diff = this
 825                        .update(cx, |this, cx| this.open_unstaged_diff(buffer.clone(), cx))?
 826                        .await?;
 827                    buffer_diff.update(cx, |buffer_diff, _| {
 828                        buffer_diff.set_secondary_diff(unstaged_diff);
 829                    });
 830
 831                    this.update(cx, |this, cx| {
 832                        cx.subscribe(&buffer_diff, Self::on_buffer_diff_event)
 833                            .detach();
 834
 835                        this.loading_diffs.remove(&(buffer_id, diff_kind));
 836
 837                        let git_store = cx.weak_entity();
 838                        let diff_state = this
 839                            .diffs
 840                            .entry(buffer_id)
 841                            .or_insert_with(|| cx.new(|_| BufferGitState::new(git_store)));
 842
 843                        diff_state.update(cx, |state, _| {
 844                            if let Some(oid) = oid {
 845                                if let Some(content) = content {
 846                                    state.oid_texts.insert(oid, content);
 847                                }
 848                            }
 849                            state.oid_diffs.insert(oid, buffer_diff.downgrade());
 850                        });
 851                    })?;
 852
 853                    Ok(buffer_diff)
 854                }
 855                .await;
 856                result.map_err(Arc::new)
 857            })
 858            .shared();
 859
 860        self.loading_diffs
 861            .insert((buffer_id, diff_kind), task.clone());
 862        cx.background_spawn(async move { task.await.map_err(|e| anyhow!("{e}")) })
 863    }
 864
 865    #[ztracing::instrument(skip_all)]
 866    pub fn open_uncommitted_diff(
 867        &mut self,
 868        buffer: Entity<Buffer>,
 869        cx: &mut Context<Self>,
 870    ) -> Task<Result<Entity<BufferDiff>>> {
 871        let buffer_id = buffer.read(cx).remote_id();
 872
 873        if let Some(diff_state) = self.diffs.get(&buffer_id)
 874            && let Some(uncommitted_diff) = diff_state
 875                .read(cx)
 876                .uncommitted_diff
 877                .as_ref()
 878                .and_then(|weak| weak.upgrade())
 879        {
 880            if let Some(task) =
 881                diff_state.update(cx, |diff_state, _| diff_state.wait_for_recalculation())
 882            {
 883                return cx.background_executor().spawn(async move {
 884                    task.await;
 885                    Ok(uncommitted_diff)
 886                });
 887            }
 888            return Task::ready(Ok(uncommitted_diff));
 889        }
 890
 891        let Some((repo, repo_path)) =
 892            self.repository_and_path_for_buffer_id(buffer.read(cx).remote_id(), cx)
 893        else {
 894            return Task::ready(Err(anyhow!("failed to find git repository for buffer")));
 895        };
 896
 897        let task = self
 898            .loading_diffs
 899            .entry((buffer_id, DiffKind::Uncommitted))
 900            .or_insert_with(|| {
 901                let changes = repo.update(cx, |repo, cx| {
 902                    repo.load_committed_text(buffer_id, repo_path, cx)
 903                });
 904
 905                // todo(lw): hot foreground spawn
 906                cx.spawn(async move |this, cx| {
 907                    Self::open_diff_internal(this, DiffKind::Uncommitted, changes.await, buffer, cx)
 908                        .await
 909                        .map_err(Arc::new)
 910                })
 911                .shared()
 912            })
 913            .clone();
 914
 915        cx.background_spawn(async move { task.await.map_err(|e| anyhow!("{e}")) })
 916    }
 917
 918    #[ztracing::instrument(skip_all)]
 919    async fn open_diff_internal(
 920        this: WeakEntity<Self>,
 921        kind: DiffKind,
 922        texts: Result<DiffBasesChange>,
 923        buffer_entity: Entity<Buffer>,
 924        cx: &mut AsyncApp,
 925    ) -> Result<Entity<BufferDiff>> {
 926        let diff_bases_change = match texts {
 927            Err(e) => {
 928                this.update(cx, |this, cx| {
 929                    let buffer = buffer_entity.read(cx);
 930                    let buffer_id = buffer.remote_id();
 931                    this.loading_diffs.remove(&(buffer_id, kind));
 932                })?;
 933                return Err(e);
 934            }
 935            Ok(change) => change,
 936        };
 937
 938        this.update(cx, |this, cx| {
 939            let buffer = buffer_entity.read(cx);
 940            let buffer_id = buffer.remote_id();
 941            let language = buffer.language().cloned();
 942            let language_registry = buffer.language_registry();
 943            let text_snapshot = buffer.text_snapshot();
 944            this.loading_diffs.remove(&(buffer_id, kind));
 945
 946            let git_store = cx.weak_entity();
 947            let diff_state = this
 948                .diffs
 949                .entry(buffer_id)
 950                .or_insert_with(|| cx.new(|_| BufferGitState::new(git_store)));
 951
 952            let diff = cx.new(|cx| BufferDiff::new(&text_snapshot, cx));
 953
 954            cx.subscribe(&diff, Self::on_buffer_diff_event).detach();
 955            diff_state.update(cx, |diff_state, cx| {
 956                diff_state.language_changed = true;
 957                diff_state.language = language;
 958                diff_state.language_registry = language_registry;
 959
 960                match kind {
 961                    DiffKind::Unstaged => diff_state.unstaged_diff = Some(diff.downgrade()),
 962                    DiffKind::Uncommitted => {
 963                        let unstaged_diff = if let Some(diff) = diff_state.unstaged_diff() {
 964                            diff
 965                        } else {
 966                            let unstaged_diff = cx.new(|cx| BufferDiff::new(&text_snapshot, cx));
 967                            diff_state.unstaged_diff = Some(unstaged_diff.downgrade());
 968                            unstaged_diff
 969                        };
 970
 971                        diff.update(cx, |diff, _| diff.set_secondary_diff(unstaged_diff));
 972                        diff_state.uncommitted_diff = Some(diff.downgrade())
 973                    }
 974                    DiffKind::SinceOid(_) => {
 975                        unreachable!("open_diff_internal is not used for OID diffs")
 976                    }
 977                }
 978
 979                diff_state.diff_bases_changed(text_snapshot, Some(diff_bases_change), cx);
 980                let rx = diff_state.wait_for_recalculation();
 981
 982                anyhow::Ok(async move {
 983                    if let Some(rx) = rx {
 984                        rx.await;
 985                    }
 986                    Ok(diff)
 987                })
 988            })
 989        })??
 990        .await
 991    }
 992
 993    pub fn get_unstaged_diff(&self, buffer_id: BufferId, cx: &App) -> Option<Entity<BufferDiff>> {
 994        let diff_state = self.diffs.get(&buffer_id)?;
 995        diff_state.read(cx).unstaged_diff.as_ref()?.upgrade()
 996    }
 997
 998    pub fn get_uncommitted_diff(
 999        &self,
1000        buffer_id: BufferId,
1001        cx: &App,
1002    ) -> Option<Entity<BufferDiff>> {
1003        let diff_state = self.diffs.get(&buffer_id)?;
1004        diff_state.read(cx).uncommitted_diff.as_ref()?.upgrade()
1005    }
1006
1007    pub fn get_diff_since_oid(
1008        &self,
1009        buffer_id: BufferId,
1010        oid: Option<git::Oid>,
1011        cx: &App,
1012    ) -> Option<Entity<BufferDiff>> {
1013        let diff_state = self.diffs.get(&buffer_id)?;
1014        diff_state.read(cx).oid_diff(oid)
1015    }
1016
1017    pub fn open_conflict_set(
1018        &mut self,
1019        buffer: Entity<Buffer>,
1020        cx: &mut Context<Self>,
1021    ) -> Entity<ConflictSet> {
1022        log::debug!("open conflict set");
1023        let buffer_id = buffer.read(cx).remote_id();
1024
1025        if let Some(git_state) = self.diffs.get(&buffer_id)
1026            && let Some(conflict_set) = git_state
1027                .read(cx)
1028                .conflict_set
1029                .as_ref()
1030                .and_then(|weak| weak.upgrade())
1031        {
1032            let conflict_set = conflict_set;
1033            let buffer_snapshot = buffer.read(cx).text_snapshot();
1034
1035            git_state.update(cx, |state, cx| {
1036                let _ = state.reparse_conflict_markers(buffer_snapshot, cx);
1037            });
1038
1039            return conflict_set;
1040        }
1041
1042        let is_unmerged = self
1043            .repository_and_path_for_buffer_id(buffer_id, cx)
1044            .is_some_and(|(repo, path)| repo.read(cx).snapshot.has_conflict(&path));
1045        let git_store = cx.weak_entity();
1046        let buffer_git_state = self
1047            .diffs
1048            .entry(buffer_id)
1049            .or_insert_with(|| cx.new(|_| BufferGitState::new(git_store)));
1050        let conflict_set = cx.new(|cx| ConflictSet::new(buffer_id, is_unmerged, cx));
1051
1052        self._subscriptions
1053            .push(cx.subscribe(&conflict_set, |_, _, _, cx| {
1054                cx.emit(GitStoreEvent::ConflictsUpdated);
1055            }));
1056
1057        buffer_git_state.update(cx, |state, cx| {
1058            state.conflict_set = Some(conflict_set.downgrade());
1059            let buffer_snapshot = buffer.read(cx).text_snapshot();
1060            let _ = state.reparse_conflict_markers(buffer_snapshot, cx);
1061        });
1062
1063        conflict_set
1064    }
1065
1066    pub fn project_path_git_status(
1067        &self,
1068        project_path: &ProjectPath,
1069        cx: &App,
1070    ) -> Option<FileStatus> {
1071        let (repo, repo_path) = self.repository_and_path_for_project_path(project_path, cx)?;
1072        Some(repo.read(cx).status_for_path(&repo_path)?.status)
1073    }
1074
1075    pub fn checkpoint(&self, cx: &mut App) -> Task<Result<GitStoreCheckpoint>> {
1076        let mut work_directory_abs_paths = Vec::new();
1077        let mut checkpoints = Vec::new();
1078        for repository in self.repositories.values() {
1079            repository.update(cx, |repository, _| {
1080                work_directory_abs_paths.push(repository.snapshot.work_directory_abs_path.clone());
1081                checkpoints.push(repository.checkpoint().map(|checkpoint| checkpoint?));
1082            });
1083        }
1084
1085        cx.background_executor().spawn(async move {
1086            let checkpoints = future::try_join_all(checkpoints).await?;
1087            Ok(GitStoreCheckpoint {
1088                checkpoints_by_work_dir_abs_path: work_directory_abs_paths
1089                    .into_iter()
1090                    .zip(checkpoints)
1091                    .collect(),
1092            })
1093        })
1094    }
1095
1096    pub fn restore_checkpoint(
1097        &self,
1098        checkpoint: GitStoreCheckpoint,
1099        cx: &mut App,
1100    ) -> Task<Result<()>> {
1101        let repositories_by_work_dir_abs_path = self
1102            .repositories
1103            .values()
1104            .map(|repo| (repo.read(cx).snapshot.work_directory_abs_path.clone(), repo))
1105            .collect::<HashMap<_, _>>();
1106
1107        let mut tasks = Vec::new();
1108        for (work_dir_abs_path, checkpoint) in checkpoint.checkpoints_by_work_dir_abs_path {
1109            if let Some(repository) = repositories_by_work_dir_abs_path.get(&work_dir_abs_path) {
1110                let restore = repository.update(cx, |repository, _| {
1111                    repository.restore_checkpoint(checkpoint)
1112                });
1113                tasks.push(async move { restore.await? });
1114            }
1115        }
1116        cx.background_spawn(async move {
1117            future::try_join_all(tasks).await?;
1118            Ok(())
1119        })
1120    }
1121
1122    /// Compares two checkpoints, returning true if they are equal.
1123    pub fn compare_checkpoints(
1124        &self,
1125        left: GitStoreCheckpoint,
1126        mut right: GitStoreCheckpoint,
1127        cx: &mut App,
1128    ) -> Task<Result<bool>> {
1129        let repositories_by_work_dir_abs_path = self
1130            .repositories
1131            .values()
1132            .map(|repo| (repo.read(cx).snapshot.work_directory_abs_path.clone(), repo))
1133            .collect::<HashMap<_, _>>();
1134
1135        let mut tasks = Vec::new();
1136        for (work_dir_abs_path, left_checkpoint) in left.checkpoints_by_work_dir_abs_path {
1137            if let Some(right_checkpoint) = right
1138                .checkpoints_by_work_dir_abs_path
1139                .remove(&work_dir_abs_path)
1140            {
1141                if let Some(repository) = repositories_by_work_dir_abs_path.get(&work_dir_abs_path)
1142                {
1143                    let compare = repository.update(cx, |repository, _| {
1144                        repository.compare_checkpoints(left_checkpoint, right_checkpoint)
1145                    });
1146
1147                    tasks.push(async move { compare.await? });
1148                }
1149            } else {
1150                return Task::ready(Ok(false));
1151            }
1152        }
1153        cx.background_spawn(async move {
1154            Ok(future::try_join_all(tasks)
1155                .await?
1156                .into_iter()
1157                .all(|result| result))
1158        })
1159    }
1160
1161    /// Blames a buffer.
1162    pub fn blame_buffer(
1163        &self,
1164        buffer: &Entity<Buffer>,
1165        version: Option<clock::Global>,
1166        cx: &mut Context<Self>,
1167    ) -> Task<Result<Option<Blame>>> {
1168        let buffer = buffer.read(cx);
1169        let Some((repo, repo_path)) =
1170            self.repository_and_path_for_buffer_id(buffer.remote_id(), cx)
1171        else {
1172            return Task::ready(Err(anyhow!("failed to find a git repository for buffer")));
1173        };
1174        let content = match &version {
1175            Some(version) => buffer.rope_for_version(version),
1176            None => buffer.as_rope().clone(),
1177        };
1178        let line_ending = buffer.line_ending();
1179        let version = version.unwrap_or(buffer.version());
1180        let buffer_id = buffer.remote_id();
1181
1182        let repo = repo.downgrade();
1183        cx.spawn(async move |_, cx| {
1184            let repository_state = repo
1185                .update(cx, |repo, _| repo.repository_state.clone())?
1186                .await
1187                .map_err(|err| anyhow::anyhow!(err))?;
1188            match repository_state {
1189                RepositoryState::Local(LocalRepositoryState { backend, .. }) => backend
1190                    .blame(repo_path.clone(), content, line_ending)
1191                    .await
1192                    .with_context(|| format!("Failed to blame {:?}", repo_path.as_ref()))
1193                    .map(Some),
1194                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
1195                    let response = client
1196                        .request(proto::BlameBuffer {
1197                            project_id: project_id.to_proto(),
1198                            buffer_id: buffer_id.into(),
1199                            version: serialize_version(&version),
1200                        })
1201                        .await?;
1202                    Ok(deserialize_blame_buffer_response(response))
1203                }
1204            }
1205        })
1206    }
1207
1208    pub fn file_history(
1209        &self,
1210        repo: &Entity<Repository>,
1211        path: RepoPath,
1212        cx: &mut App,
1213    ) -> Task<Result<git::repository::FileHistory>> {
1214        let rx = repo.update(cx, |repo, _| repo.file_history(path));
1215
1216        cx.spawn(|_: &mut AsyncApp| async move { rx.await? })
1217    }
1218
1219    pub fn file_history_paginated(
1220        &self,
1221        repo: &Entity<Repository>,
1222        path: RepoPath,
1223        skip: usize,
1224        limit: Option<usize>,
1225        cx: &mut App,
1226    ) -> Task<Result<git::repository::FileHistory>> {
1227        let rx = repo.update(cx, |repo, _| repo.file_history_paginated(path, skip, limit));
1228
1229        cx.spawn(|_: &mut AsyncApp| async move { rx.await? })
1230    }
1231
1232    pub fn get_permalink_to_line(
1233        &self,
1234        buffer: &Entity<Buffer>,
1235        selection: Range<u32>,
1236        cx: &mut App,
1237    ) -> Task<Result<url::Url>> {
1238        let Some(file) = File::from_dyn(buffer.read(cx).file()) else {
1239            return Task::ready(Err(anyhow!("buffer has no file")));
1240        };
1241
1242        let Some((repo, repo_path)) = self.repository_and_path_for_project_path(
1243            &(file.worktree.read(cx).id(), file.path.clone()).into(),
1244            cx,
1245        ) else {
1246            // If we're not in a Git repo, check whether this is a Rust source
1247            // file in the Cargo registry (presumably opened with go-to-definition
1248            // from a normal Rust file). If so, we can put together a permalink
1249            // using crate metadata.
1250            if buffer
1251                .read(cx)
1252                .language()
1253                .is_none_or(|lang| lang.name() != "Rust")
1254            {
1255                return Task::ready(Err(anyhow!("no permalink available")));
1256            }
1257            let file_path = file.worktree.read(cx).absolutize(&file.path);
1258            return cx.spawn(async move |cx| {
1259                let provider_registry = cx.update(GitHostingProviderRegistry::default_global);
1260                get_permalink_in_rust_registry_src(provider_registry, file_path, selection)
1261                    .context("no permalink available")
1262            });
1263        };
1264
1265        let buffer_id = buffer.read(cx).remote_id();
1266        let branch = repo.read(cx).branch.clone();
1267        let remote = branch
1268            .as_ref()
1269            .and_then(|b| b.upstream.as_ref())
1270            .and_then(|b| b.remote_name())
1271            .unwrap_or("origin")
1272            .to_string();
1273
1274        let rx = repo.update(cx, |repo, _| {
1275            repo.send_job(None, move |state, cx| async move {
1276                match state {
1277                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
1278                        let origin_url = backend
1279                            .remote_url(&remote)
1280                            .await
1281                            .with_context(|| format!("remote \"{remote}\" not found"))?;
1282
1283                        let sha = backend.head_sha().await.context("reading HEAD SHA")?;
1284
1285                        let provider_registry =
1286                            cx.update(GitHostingProviderRegistry::default_global);
1287
1288                        let (provider, remote) =
1289                            parse_git_remote_url(provider_registry, &origin_url)
1290                                .context("parsing Git remote URL")?;
1291
1292                        Ok(provider.build_permalink(
1293                            remote,
1294                            BuildPermalinkParams::new(&sha, &repo_path, Some(selection)),
1295                        ))
1296                    }
1297                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
1298                        let response = client
1299                            .request(proto::GetPermalinkToLine {
1300                                project_id: project_id.to_proto(),
1301                                buffer_id: buffer_id.into(),
1302                                selection: Some(proto::Range {
1303                                    start: selection.start as u64,
1304                                    end: selection.end as u64,
1305                                }),
1306                            })
1307                            .await?;
1308
1309                        url::Url::parse(&response.permalink).context("failed to parse permalink")
1310                    }
1311                }
1312            })
1313        });
1314        cx.spawn(|_: &mut AsyncApp| async move { rx.await? })
1315    }
1316
1317    fn downstream_client(&self) -> Option<(AnyProtoClient, ProjectId)> {
1318        match &self.state {
1319            GitStoreState::Local {
1320                downstream: downstream_client,
1321                ..
1322            } => downstream_client
1323                .as_ref()
1324                .map(|state| (state.client.clone(), state.project_id)),
1325            GitStoreState::Remote {
1326                downstream: downstream_client,
1327                ..
1328            } => downstream_client.clone(),
1329        }
1330    }
1331
1332    fn upstream_client(&self) -> Option<AnyProtoClient> {
1333        match &self.state {
1334            GitStoreState::Local { .. } => None,
1335            GitStoreState::Remote {
1336                upstream_client, ..
1337            } => Some(upstream_client.clone()),
1338        }
1339    }
1340
1341    fn on_worktree_store_event(
1342        &mut self,
1343        worktree_store: Entity<WorktreeStore>,
1344        event: &WorktreeStoreEvent,
1345        cx: &mut Context<Self>,
1346    ) {
1347        let GitStoreState::Local {
1348            project_environment,
1349            downstream,
1350            next_repository_id,
1351            fs,
1352        } = &self.state
1353        else {
1354            return;
1355        };
1356
1357        match event {
1358            WorktreeStoreEvent::WorktreeUpdatedEntries(worktree_id, updated_entries) => {
1359                if let Some(worktree) = self
1360                    .worktree_store
1361                    .read(cx)
1362                    .worktree_for_id(*worktree_id, cx)
1363                {
1364                    let paths_by_git_repo =
1365                        self.process_updated_entries(&worktree, updated_entries, cx);
1366                    let downstream = downstream
1367                        .as_ref()
1368                        .map(|downstream| downstream.updates_tx.clone());
1369                    cx.spawn(async move |_, cx| {
1370                        let paths_by_git_repo = paths_by_git_repo.await;
1371                        for (repo, paths) in paths_by_git_repo {
1372                            repo.update(cx, |repo, cx| {
1373                                repo.paths_changed(paths, downstream.clone(), cx);
1374                            });
1375                        }
1376                    })
1377                    .detach();
1378                }
1379            }
1380            WorktreeStoreEvent::WorktreeUpdatedGitRepositories(worktree_id, changed_repos) => {
1381                let Some(worktree) = worktree_store.read(cx).worktree_for_id(*worktree_id, cx)
1382                else {
1383                    return;
1384                };
1385                if !worktree.read(cx).is_visible() {
1386                    log::debug!(
1387                        "not adding repositories for local worktree {:?} because it's not visible",
1388                        worktree.read(cx).abs_path()
1389                    );
1390                    return;
1391                }
1392                self.update_repositories_from_worktree(
1393                    *worktree_id,
1394                    project_environment.clone(),
1395                    next_repository_id.clone(),
1396                    downstream
1397                        .as_ref()
1398                        .map(|downstream| downstream.updates_tx.clone()),
1399                    changed_repos.clone(),
1400                    fs.clone(),
1401                    cx,
1402                );
1403                self.local_worktree_git_repos_changed(worktree, changed_repos, cx);
1404            }
1405            WorktreeStoreEvent::WorktreeRemoved(_entity_id, worktree_id) => {
1406                let repos_without_worktree: Vec<RepositoryId> = self
1407                    .worktree_ids
1408                    .iter_mut()
1409                    .filter_map(|(repo_id, worktree_ids)| {
1410                        worktree_ids.remove(worktree_id);
1411                        if worktree_ids.is_empty() {
1412                            Some(*repo_id)
1413                        } else {
1414                            None
1415                        }
1416                    })
1417                    .collect();
1418                let is_active_repo_removed = repos_without_worktree
1419                    .iter()
1420                    .any(|repo_id| self.active_repo_id == Some(*repo_id));
1421
1422                for repo_id in repos_without_worktree {
1423                    self.repositories.remove(&repo_id);
1424                    self.worktree_ids.remove(&repo_id);
1425                    if let Some(updates_tx) =
1426                        downstream.as_ref().map(|downstream| &downstream.updates_tx)
1427                    {
1428                        updates_tx
1429                            .unbounded_send(DownstreamUpdate::RemoveRepository(repo_id))
1430                            .ok();
1431                    }
1432                }
1433
1434                if is_active_repo_removed {
1435                    if let Some((&repo_id, _)) = self.repositories.iter().next() {
1436                        self.active_repo_id = Some(repo_id);
1437                        cx.emit(GitStoreEvent::ActiveRepositoryChanged(Some(repo_id)));
1438                    } else {
1439                        self.active_repo_id = None;
1440                        cx.emit(GitStoreEvent::ActiveRepositoryChanged(None));
1441                    }
1442                }
1443            }
1444            _ => {}
1445        }
1446    }
1447    fn on_repository_event(
1448        &mut self,
1449        repo: Entity<Repository>,
1450        event: &RepositoryEvent,
1451        cx: &mut Context<Self>,
1452    ) {
1453        let id = repo.read(cx).id;
1454        let repo_snapshot = repo.read(cx).snapshot.clone();
1455        for (buffer_id, diff) in self.diffs.iter() {
1456            if let Some((buffer_repo, repo_path)) =
1457                self.repository_and_path_for_buffer_id(*buffer_id, cx)
1458                && buffer_repo == repo
1459            {
1460                diff.update(cx, |diff, cx| {
1461                    if let Some(conflict_set) = &diff.conflict_set {
1462                        let conflict_status_changed =
1463                            conflict_set.update(cx, |conflict_set, cx| {
1464                                let has_conflict = repo_snapshot.has_conflict(&repo_path);
1465                                conflict_set.set_has_conflict(has_conflict, cx)
1466                            })?;
1467                        if conflict_status_changed {
1468                            let buffer_store = self.buffer_store.read(cx);
1469                            if let Some(buffer) = buffer_store.get(*buffer_id) {
1470                                let _ = diff
1471                                    .reparse_conflict_markers(buffer.read(cx).text_snapshot(), cx);
1472                            }
1473                        }
1474                    }
1475                    anyhow::Ok(())
1476                })
1477                .ok();
1478            }
1479        }
1480        cx.emit(GitStoreEvent::RepositoryUpdated(
1481            id,
1482            event.clone(),
1483            self.active_repo_id == Some(id),
1484        ))
1485    }
1486
1487    fn on_jobs_updated(&mut self, _: Entity<Repository>, _: &JobsUpdated, cx: &mut Context<Self>) {
1488        cx.emit(GitStoreEvent::JobsUpdated)
1489    }
1490
1491    /// Update our list of repositories and schedule git scans in response to a notification from a worktree,
1492    fn update_repositories_from_worktree(
1493        &mut self,
1494        worktree_id: WorktreeId,
1495        project_environment: Entity<ProjectEnvironment>,
1496        next_repository_id: Arc<AtomicU64>,
1497        updates_tx: Option<mpsc::UnboundedSender<DownstreamUpdate>>,
1498        updated_git_repositories: UpdatedGitRepositoriesSet,
1499        fs: Arc<dyn Fs>,
1500        cx: &mut Context<Self>,
1501    ) {
1502        let mut removed_ids = Vec::new();
1503        for update in updated_git_repositories.iter() {
1504            if let Some((id, existing)) = self.repositories.iter().find(|(_, repo)| {
1505                let existing_work_directory_abs_path =
1506                    repo.read(cx).work_directory_abs_path.clone();
1507                Some(&existing_work_directory_abs_path)
1508                    == update.old_work_directory_abs_path.as_ref()
1509                    || Some(&existing_work_directory_abs_path)
1510                        == update.new_work_directory_abs_path.as_ref()
1511            }) {
1512                let repo_id = *id;
1513                if let Some(new_work_directory_abs_path) =
1514                    update.new_work_directory_abs_path.clone()
1515                {
1516                    self.worktree_ids
1517                        .entry(repo_id)
1518                        .or_insert_with(HashSet::new)
1519                        .insert(worktree_id);
1520                    existing.update(cx, |existing, cx| {
1521                        existing.snapshot.work_directory_abs_path = new_work_directory_abs_path;
1522                        existing.schedule_scan(updates_tx.clone(), cx);
1523                    });
1524                } else {
1525                    if let Some(worktree_ids) = self.worktree_ids.get_mut(&repo_id) {
1526                        worktree_ids.remove(&worktree_id);
1527                        if worktree_ids.is_empty() {
1528                            removed_ids.push(repo_id);
1529                        }
1530                    }
1531                }
1532            } else if let UpdatedGitRepository {
1533                new_work_directory_abs_path: Some(work_directory_abs_path),
1534                dot_git_abs_path: Some(dot_git_abs_path),
1535                repository_dir_abs_path: Some(repository_dir_abs_path),
1536                common_dir_abs_path: Some(common_dir_abs_path),
1537                ..
1538            } = update
1539            {
1540                let original_repo_abs_path: Arc<Path> = git::repository::original_repo_path(
1541                    work_directory_abs_path,
1542                    common_dir_abs_path,
1543                    repository_dir_abs_path,
1544                )
1545                .into();
1546                let id = RepositoryId(next_repository_id.fetch_add(1, atomic::Ordering::Release));
1547                let is_trusted = TrustedWorktrees::try_get_global(cx)
1548                    .map(|trusted_worktrees| {
1549                        trusted_worktrees.update(cx, |trusted_worktrees, cx| {
1550                            trusted_worktrees.can_trust(&self.worktree_store, worktree_id, cx)
1551                        })
1552                    })
1553                    .unwrap_or(false);
1554                let git_store = cx.weak_entity();
1555                let repo = cx.new(|cx| {
1556                    let mut repo = Repository::local(
1557                        id,
1558                        work_directory_abs_path.clone(),
1559                        original_repo_abs_path.clone(),
1560                        dot_git_abs_path.clone(),
1561                        project_environment.downgrade(),
1562                        fs.clone(),
1563                        is_trusted,
1564                        git_store,
1565                        cx,
1566                    );
1567                    if let Some(updates_tx) = updates_tx.as_ref() {
1568                        // trigger an empty `UpdateRepository` to ensure remote active_repo_id is set correctly
1569                        updates_tx
1570                            .unbounded_send(DownstreamUpdate::UpdateRepository(repo.snapshot()))
1571                            .ok();
1572                    }
1573                    repo.schedule_scan(updates_tx.clone(), cx);
1574                    repo
1575                });
1576                self._subscriptions
1577                    .push(cx.subscribe(&repo, Self::on_repository_event));
1578                self._subscriptions
1579                    .push(cx.subscribe(&repo, Self::on_jobs_updated));
1580                self.repositories.insert(id, repo);
1581                self.worktree_ids.insert(id, HashSet::from([worktree_id]));
1582                cx.emit(GitStoreEvent::RepositoryAdded);
1583                self.active_repo_id.get_or_insert_with(|| {
1584                    cx.emit(GitStoreEvent::ActiveRepositoryChanged(Some(id)));
1585                    id
1586                });
1587            }
1588        }
1589
1590        for id in removed_ids {
1591            if self.active_repo_id == Some(id) {
1592                self.active_repo_id = None;
1593                cx.emit(GitStoreEvent::ActiveRepositoryChanged(None));
1594            }
1595            self.repositories.remove(&id);
1596            if let Some(updates_tx) = updates_tx.as_ref() {
1597                updates_tx
1598                    .unbounded_send(DownstreamUpdate::RemoveRepository(id))
1599                    .ok();
1600            }
1601        }
1602    }
1603
1604    fn on_trusted_worktrees_event(
1605        &mut self,
1606        _: Entity<TrustedWorktreesStore>,
1607        event: &TrustedWorktreesEvent,
1608        cx: &mut Context<Self>,
1609    ) {
1610        if !matches!(self.state, GitStoreState::Local { .. }) {
1611            return;
1612        }
1613
1614        let (is_trusted, event_paths) = match event {
1615            TrustedWorktreesEvent::Trusted(_, trusted_paths) => (true, trusted_paths),
1616            TrustedWorktreesEvent::Restricted(_, restricted_paths) => (false, restricted_paths),
1617        };
1618
1619        for (repo_id, worktree_ids) in &self.worktree_ids {
1620            if worktree_ids
1621                .iter()
1622                .any(|worktree_id| event_paths.contains(&PathTrust::Worktree(*worktree_id)))
1623            {
1624                if let Some(repo) = self.repositories.get(repo_id) {
1625                    let repository_state = repo.read(cx).repository_state.clone();
1626                    cx.background_spawn(async move {
1627                        if let Ok(RepositoryState::Local(state)) = repository_state.await {
1628                            state.backend.set_trusted(is_trusted);
1629                        }
1630                    })
1631                    .detach();
1632                }
1633            }
1634        }
1635    }
1636
1637    fn on_buffer_store_event(
1638        &mut self,
1639        _: Entity<BufferStore>,
1640        event: &BufferStoreEvent,
1641        cx: &mut Context<Self>,
1642    ) {
1643        match event {
1644            BufferStoreEvent::BufferAdded(buffer) => {
1645                cx.subscribe(buffer, |this, buffer, event, cx| {
1646                    if let BufferEvent::LanguageChanged(_) = event {
1647                        let buffer_id = buffer.read(cx).remote_id();
1648                        if let Some(diff_state) = this.diffs.get(&buffer_id) {
1649                            diff_state.update(cx, |diff_state, cx| {
1650                                diff_state.buffer_language_changed(buffer, cx);
1651                            });
1652                        }
1653                    }
1654                })
1655                .detach();
1656            }
1657            BufferStoreEvent::SharedBufferClosed(peer_id, buffer_id) => {
1658                if let Some(diffs) = self.shared_diffs.get_mut(peer_id) {
1659                    diffs.remove(buffer_id);
1660                }
1661            }
1662            BufferStoreEvent::BufferDropped(buffer_id) => {
1663                self.diffs.remove(buffer_id);
1664                for diffs in self.shared_diffs.values_mut() {
1665                    diffs.remove(buffer_id);
1666                }
1667            }
1668            BufferStoreEvent::BufferChangedFilePath { buffer, .. } => {
1669                // Whenever a buffer's file path changes, it's possible that the
1670                // new path is actually a path that is being tracked by a git
1671                // repository. In that case, we'll want to update the buffer's
1672                // `BufferDiffState`, in case it already has one.
1673                let buffer_id = buffer.read(cx).remote_id();
1674                let diff_state = self.diffs.get(&buffer_id);
1675                let repo = self.repository_and_path_for_buffer_id(buffer_id, cx);
1676
1677                if let Some(diff_state) = diff_state
1678                    && let Some((repo, repo_path)) = repo
1679                {
1680                    let buffer = buffer.clone();
1681                    let diff_state = diff_state.clone();
1682
1683                    cx.spawn(async move |_git_store, cx| {
1684                        async {
1685                            let diff_bases_change = repo
1686                                .update(cx, |repo, cx| {
1687                                    repo.load_committed_text(buffer_id, repo_path, cx)
1688                                })
1689                                .await?;
1690
1691                            diff_state.update(cx, |diff_state, cx| {
1692                                let buffer_snapshot = buffer.read(cx).text_snapshot();
1693                                diff_state.diff_bases_changed(
1694                                    buffer_snapshot,
1695                                    Some(diff_bases_change),
1696                                    cx,
1697                                );
1698                            });
1699                            anyhow::Ok(())
1700                        }
1701                        .await
1702                        .log_err();
1703                    })
1704                    .detach();
1705                }
1706            }
1707        }
1708    }
1709
1710    pub fn recalculate_buffer_diffs(
1711        &mut self,
1712        buffers: Vec<Entity<Buffer>>,
1713        cx: &mut Context<Self>,
1714    ) -> impl Future<Output = ()> + use<> {
1715        let mut futures = Vec::new();
1716        for buffer in buffers {
1717            if let Some(diff_state) = self.diffs.get_mut(&buffer.read(cx).remote_id()) {
1718                let buffer = buffer.read(cx).text_snapshot();
1719                diff_state.update(cx, |diff_state, cx| {
1720                    diff_state.recalculate_diffs(buffer.clone(), cx);
1721                    futures.extend(diff_state.wait_for_recalculation().map(FutureExt::boxed));
1722                });
1723                futures.push(diff_state.update(cx, |diff_state, cx| {
1724                    diff_state
1725                        .reparse_conflict_markers(buffer, cx)
1726                        .map(|_| {})
1727                        .boxed()
1728                }));
1729            }
1730        }
1731        async move {
1732            futures::future::join_all(futures).await;
1733        }
1734    }
1735
1736    fn on_buffer_diff_event(
1737        &mut self,
1738        diff: Entity<buffer_diff::BufferDiff>,
1739        event: &BufferDiffEvent,
1740        cx: &mut Context<Self>,
1741    ) {
1742        if let BufferDiffEvent::HunksStagedOrUnstaged(new_index_text) = event {
1743            let buffer_id = diff.read(cx).buffer_id;
1744            if let Some(diff_state) = self.diffs.get(&buffer_id) {
1745                let hunk_staging_operation_count = diff_state.update(cx, |diff_state, _| {
1746                    diff_state.hunk_staging_operation_count += 1;
1747                    diff_state.hunk_staging_operation_count
1748                });
1749                if let Some((repo, path)) = self.repository_and_path_for_buffer_id(buffer_id, cx) {
1750                    let recv = repo.update(cx, |repo, cx| {
1751                        log::debug!("hunks changed for {}", path.as_unix_str());
1752                        repo.spawn_set_index_text_job(
1753                            path,
1754                            new_index_text.as_ref().map(|rope| rope.to_string()),
1755                            Some(hunk_staging_operation_count),
1756                            cx,
1757                        )
1758                    });
1759                    let diff = diff.downgrade();
1760                    cx.spawn(async move |this, cx| {
1761                        if let Ok(Err(error)) = cx.background_spawn(recv).await {
1762                            diff.update(cx, |diff, cx| {
1763                                diff.clear_pending_hunks(cx);
1764                            })
1765                            .ok();
1766                            this.update(cx, |_, cx| cx.emit(GitStoreEvent::IndexWriteError(error)))
1767                                .ok();
1768                        }
1769                    })
1770                    .detach();
1771                }
1772            }
1773        }
1774    }
1775
1776    fn local_worktree_git_repos_changed(
1777        &mut self,
1778        worktree: Entity<Worktree>,
1779        changed_repos: &UpdatedGitRepositoriesSet,
1780        cx: &mut Context<Self>,
1781    ) {
1782        log::debug!("local worktree repos changed");
1783        debug_assert!(worktree.read(cx).is_local());
1784
1785        for repository in self.repositories.values() {
1786            repository.update(cx, |repository, cx| {
1787                let repo_abs_path = &repository.work_directory_abs_path;
1788                if changed_repos.iter().any(|update| {
1789                    update.old_work_directory_abs_path.as_ref() == Some(repo_abs_path)
1790                        || update.new_work_directory_abs_path.as_ref() == Some(repo_abs_path)
1791                }) {
1792                    repository.reload_buffer_diff_bases(cx);
1793                }
1794            });
1795        }
1796    }
1797
1798    pub fn repositories(&self) -> &HashMap<RepositoryId, Entity<Repository>> {
1799        &self.repositories
1800    }
1801
1802    pub fn status_for_buffer_id(&self, buffer_id: BufferId, cx: &App) -> Option<FileStatus> {
1803        let (repo, path) = self.repository_and_path_for_buffer_id(buffer_id, cx)?;
1804        let status = repo.read(cx).snapshot.status_for_path(&path)?;
1805        Some(status.status)
1806    }
1807
1808    pub fn repository_and_path_for_buffer_id(
1809        &self,
1810        buffer_id: BufferId,
1811        cx: &App,
1812    ) -> Option<(Entity<Repository>, RepoPath)> {
1813        let buffer = self.buffer_store.read(cx).get(buffer_id)?;
1814        let project_path = buffer.read(cx).project_path(cx)?;
1815        self.repository_and_path_for_project_path(&project_path, cx)
1816    }
1817
1818    pub fn repository_and_path_for_project_path(
1819        &self,
1820        path: &ProjectPath,
1821        cx: &App,
1822    ) -> Option<(Entity<Repository>, RepoPath)> {
1823        let abs_path = self.worktree_store.read(cx).absolutize(path, cx)?;
1824        self.repositories
1825            .values()
1826            .filter_map(|repo| {
1827                let repo_path = repo.read(cx).abs_path_to_repo_path(&abs_path)?;
1828                Some((repo.clone(), repo_path))
1829            })
1830            .max_by_key(|(repo, _)| repo.read(cx).work_directory_abs_path.clone())
1831    }
1832
1833    pub fn git_init(
1834        &self,
1835        path: Arc<Path>,
1836        fallback_branch_name: String,
1837        cx: &App,
1838    ) -> Task<Result<()>> {
1839        match &self.state {
1840            GitStoreState::Local { fs, .. } => {
1841                let fs = fs.clone();
1842                cx.background_executor()
1843                    .spawn(async move { fs.git_init(&path, fallback_branch_name).await })
1844            }
1845            GitStoreState::Remote {
1846                upstream_client,
1847                upstream_project_id: project_id,
1848                ..
1849            } => {
1850                let client = upstream_client.clone();
1851                let project_id = *project_id;
1852                cx.background_executor().spawn(async move {
1853                    client
1854                        .request(proto::GitInit {
1855                            project_id: project_id,
1856                            abs_path: path.to_string_lossy().into_owned(),
1857                            fallback_branch_name,
1858                        })
1859                        .await?;
1860                    Ok(())
1861                })
1862            }
1863        }
1864    }
1865
1866    pub fn git_clone(
1867        &self,
1868        repo: String,
1869        path: impl Into<Arc<std::path::Path>>,
1870        cx: &App,
1871    ) -> Task<Result<()>> {
1872        let path = path.into();
1873        match &self.state {
1874            GitStoreState::Local { fs, .. } => {
1875                let fs = fs.clone();
1876                cx.background_executor()
1877                    .spawn(async move { fs.git_clone(&repo, &path).await })
1878            }
1879            GitStoreState::Remote {
1880                upstream_client,
1881                upstream_project_id,
1882                ..
1883            } => {
1884                if upstream_client.is_via_collab() {
1885                    return Task::ready(Err(anyhow!(
1886                        "Git Clone isn't supported for project guests"
1887                    )));
1888                }
1889                let request = upstream_client.request(proto::GitClone {
1890                    project_id: *upstream_project_id,
1891                    abs_path: path.to_string_lossy().into_owned(),
1892                    remote_repo: repo,
1893                });
1894
1895                cx.background_spawn(async move {
1896                    let result = request.await?;
1897
1898                    match result.success {
1899                        true => Ok(()),
1900                        false => Err(anyhow!("Git Clone failed")),
1901                    }
1902                })
1903            }
1904        }
1905    }
1906
1907    async fn handle_update_repository(
1908        this: Entity<Self>,
1909        envelope: TypedEnvelope<proto::UpdateRepository>,
1910        mut cx: AsyncApp,
1911    ) -> Result<()> {
1912        this.update(&mut cx, |this, cx| {
1913            let path_style = this.worktree_store.read(cx).path_style();
1914            let mut update = envelope.payload;
1915
1916            let id = RepositoryId::from_proto(update.id);
1917            let client = this.upstream_client().context("no upstream client")?;
1918
1919            let original_repo_abs_path: Option<Arc<Path>> = update
1920                .original_repo_abs_path
1921                .as_deref()
1922                .map(|p| Path::new(p).into());
1923
1924            let mut repo_subscription = None;
1925            let repo = this.repositories.entry(id).or_insert_with(|| {
1926                let git_store = cx.weak_entity();
1927                let repo = cx.new(|cx| {
1928                    Repository::remote(
1929                        id,
1930                        Path::new(&update.abs_path).into(),
1931                        original_repo_abs_path.clone(),
1932                        path_style,
1933                        ProjectId(update.project_id),
1934                        client,
1935                        git_store,
1936                        cx,
1937                    )
1938                });
1939                repo_subscription = Some(cx.subscribe(&repo, Self::on_repository_event));
1940                cx.emit(GitStoreEvent::RepositoryAdded);
1941                repo
1942            });
1943            this._subscriptions.extend(repo_subscription);
1944
1945            repo.update(cx, {
1946                let update = update.clone();
1947                |repo, cx| repo.apply_remote_update(update, cx)
1948            })?;
1949
1950            this.active_repo_id.get_or_insert_with(|| {
1951                cx.emit(GitStoreEvent::ActiveRepositoryChanged(Some(id)));
1952                id
1953            });
1954
1955            if let Some((client, project_id)) = this.downstream_client() {
1956                update.project_id = project_id.to_proto();
1957                client.send(update).log_err();
1958            }
1959            Ok(())
1960        })
1961    }
1962
1963    async fn handle_remove_repository(
1964        this: Entity<Self>,
1965        envelope: TypedEnvelope<proto::RemoveRepository>,
1966        mut cx: AsyncApp,
1967    ) -> Result<()> {
1968        this.update(&mut cx, |this, cx| {
1969            let mut update = envelope.payload;
1970            let id = RepositoryId::from_proto(update.id);
1971            this.repositories.remove(&id);
1972            if let Some((client, project_id)) = this.downstream_client() {
1973                update.project_id = project_id.to_proto();
1974                client.send(update).log_err();
1975            }
1976            if this.active_repo_id == Some(id) {
1977                this.active_repo_id = None;
1978                cx.emit(GitStoreEvent::ActiveRepositoryChanged(None));
1979            }
1980            cx.emit(GitStoreEvent::RepositoryRemoved(id));
1981        });
1982        Ok(())
1983    }
1984
1985    async fn handle_git_init(
1986        this: Entity<Self>,
1987        envelope: TypedEnvelope<proto::GitInit>,
1988        cx: AsyncApp,
1989    ) -> Result<proto::Ack> {
1990        let path: Arc<Path> = PathBuf::from(envelope.payload.abs_path).into();
1991        let name = envelope.payload.fallback_branch_name;
1992        cx.update(|cx| this.read(cx).git_init(path, name, cx))
1993            .await?;
1994
1995        Ok(proto::Ack {})
1996    }
1997
1998    async fn handle_git_clone(
1999        this: Entity<Self>,
2000        envelope: TypedEnvelope<proto::GitClone>,
2001        cx: AsyncApp,
2002    ) -> Result<proto::GitCloneResponse> {
2003        let path: Arc<Path> = PathBuf::from(envelope.payload.abs_path).into();
2004        let repo_name = envelope.payload.remote_repo;
2005        let result = cx
2006            .update(|cx| this.read(cx).git_clone(repo_name, path, cx))
2007            .await;
2008
2009        Ok(proto::GitCloneResponse {
2010            success: result.is_ok(),
2011        })
2012    }
2013
2014    async fn handle_fetch(
2015        this: Entity<Self>,
2016        envelope: TypedEnvelope<proto::Fetch>,
2017        mut cx: AsyncApp,
2018    ) -> Result<proto::RemoteMessageResponse> {
2019        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2020        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2021        let fetch_options = FetchOptions::from_proto(envelope.payload.remote);
2022        let askpass_id = envelope.payload.askpass_id;
2023
2024        let askpass = make_remote_delegate(
2025            this,
2026            envelope.payload.project_id,
2027            repository_id,
2028            askpass_id,
2029            &mut cx,
2030        );
2031
2032        let remote_output = repository_handle
2033            .update(&mut cx, |repository_handle, cx| {
2034                repository_handle.fetch(fetch_options, askpass, cx)
2035            })
2036            .await??;
2037
2038        Ok(proto::RemoteMessageResponse {
2039            stdout: remote_output.stdout,
2040            stderr: remote_output.stderr,
2041        })
2042    }
2043
2044    async fn handle_push(
2045        this: Entity<Self>,
2046        envelope: TypedEnvelope<proto::Push>,
2047        mut cx: AsyncApp,
2048    ) -> Result<proto::RemoteMessageResponse> {
2049        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2050        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2051
2052        let askpass_id = envelope.payload.askpass_id;
2053        let askpass = make_remote_delegate(
2054            this,
2055            envelope.payload.project_id,
2056            repository_id,
2057            askpass_id,
2058            &mut cx,
2059        );
2060
2061        let options = envelope
2062            .payload
2063            .options
2064            .as_ref()
2065            .map(|_| match envelope.payload.options() {
2066                proto::push::PushOptions::SetUpstream => git::repository::PushOptions::SetUpstream,
2067                proto::push::PushOptions::Force => git::repository::PushOptions::Force,
2068            });
2069
2070        let branch_name = envelope.payload.branch_name.into();
2071        let remote_branch_name = envelope.payload.remote_branch_name.into();
2072        let remote_name = envelope.payload.remote_name.into();
2073
2074        let remote_output = repository_handle
2075            .update(&mut cx, |repository_handle, cx| {
2076                repository_handle.push(
2077                    branch_name,
2078                    remote_branch_name,
2079                    remote_name,
2080                    options,
2081                    askpass,
2082                    cx,
2083                )
2084            })
2085            .await??;
2086        Ok(proto::RemoteMessageResponse {
2087            stdout: remote_output.stdout,
2088            stderr: remote_output.stderr,
2089        })
2090    }
2091
2092    async fn handle_pull(
2093        this: Entity<Self>,
2094        envelope: TypedEnvelope<proto::Pull>,
2095        mut cx: AsyncApp,
2096    ) -> Result<proto::RemoteMessageResponse> {
2097        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2098        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2099        let askpass_id = envelope.payload.askpass_id;
2100        let askpass = make_remote_delegate(
2101            this,
2102            envelope.payload.project_id,
2103            repository_id,
2104            askpass_id,
2105            &mut cx,
2106        );
2107
2108        let branch_name = envelope.payload.branch_name.map(|name| name.into());
2109        let remote_name = envelope.payload.remote_name.into();
2110        let rebase = envelope.payload.rebase;
2111
2112        let remote_message = repository_handle
2113            .update(&mut cx, |repository_handle, cx| {
2114                repository_handle.pull(branch_name, remote_name, rebase, askpass, cx)
2115            })
2116            .await??;
2117
2118        Ok(proto::RemoteMessageResponse {
2119            stdout: remote_message.stdout,
2120            stderr: remote_message.stderr,
2121        })
2122    }
2123
2124    async fn handle_stage(
2125        this: Entity<Self>,
2126        envelope: TypedEnvelope<proto::Stage>,
2127        mut cx: AsyncApp,
2128    ) -> Result<proto::Ack> {
2129        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2130        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2131
2132        let entries = envelope
2133            .payload
2134            .paths
2135            .into_iter()
2136            .map(|path| RepoPath::new(&path))
2137            .collect::<Result<Vec<_>>>()?;
2138
2139        repository_handle
2140            .update(&mut cx, |repository_handle, cx| {
2141                repository_handle.stage_entries(entries, cx)
2142            })
2143            .await?;
2144        Ok(proto::Ack {})
2145    }
2146
2147    async fn handle_unstage(
2148        this: Entity<Self>,
2149        envelope: TypedEnvelope<proto::Unstage>,
2150        mut cx: AsyncApp,
2151    ) -> Result<proto::Ack> {
2152        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2153        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2154
2155        let entries = envelope
2156            .payload
2157            .paths
2158            .into_iter()
2159            .map(|path| RepoPath::new(&path))
2160            .collect::<Result<Vec<_>>>()?;
2161
2162        repository_handle
2163            .update(&mut cx, |repository_handle, cx| {
2164                repository_handle.unstage_entries(entries, cx)
2165            })
2166            .await?;
2167
2168        Ok(proto::Ack {})
2169    }
2170
2171    async fn handle_stash(
2172        this: Entity<Self>,
2173        envelope: TypedEnvelope<proto::Stash>,
2174        mut cx: AsyncApp,
2175    ) -> Result<proto::Ack> {
2176        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2177        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2178
2179        let entries = envelope
2180            .payload
2181            .paths
2182            .into_iter()
2183            .map(|path| RepoPath::new(&path))
2184            .collect::<Result<Vec<_>>>()?;
2185
2186        repository_handle
2187            .update(&mut cx, |repository_handle, cx| {
2188                repository_handle.stash_entries(entries, cx)
2189            })
2190            .await?;
2191
2192        Ok(proto::Ack {})
2193    }
2194
2195    async fn handle_stash_pop(
2196        this: Entity<Self>,
2197        envelope: TypedEnvelope<proto::StashPop>,
2198        mut cx: AsyncApp,
2199    ) -> Result<proto::Ack> {
2200        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2201        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2202        let stash_index = envelope.payload.stash_index.map(|i| i as usize);
2203
2204        repository_handle
2205            .update(&mut cx, |repository_handle, cx| {
2206                repository_handle.stash_pop(stash_index, cx)
2207            })
2208            .await?;
2209
2210        Ok(proto::Ack {})
2211    }
2212
2213    async fn handle_stash_apply(
2214        this: Entity<Self>,
2215        envelope: TypedEnvelope<proto::StashApply>,
2216        mut cx: AsyncApp,
2217    ) -> Result<proto::Ack> {
2218        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2219        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2220        let stash_index = envelope.payload.stash_index.map(|i| i as usize);
2221
2222        repository_handle
2223            .update(&mut cx, |repository_handle, cx| {
2224                repository_handle.stash_apply(stash_index, cx)
2225            })
2226            .await?;
2227
2228        Ok(proto::Ack {})
2229    }
2230
2231    async fn handle_stash_drop(
2232        this: Entity<Self>,
2233        envelope: TypedEnvelope<proto::StashDrop>,
2234        mut cx: AsyncApp,
2235    ) -> Result<proto::Ack> {
2236        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2237        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2238        let stash_index = envelope.payload.stash_index.map(|i| i as usize);
2239
2240        repository_handle
2241            .update(&mut cx, |repository_handle, cx| {
2242                repository_handle.stash_drop(stash_index, cx)
2243            })
2244            .await??;
2245
2246        Ok(proto::Ack {})
2247    }
2248
2249    async fn handle_set_index_text(
2250        this: Entity<Self>,
2251        envelope: TypedEnvelope<proto::SetIndexText>,
2252        mut cx: AsyncApp,
2253    ) -> Result<proto::Ack> {
2254        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2255        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2256        let repo_path = RepoPath::from_proto(&envelope.payload.path)?;
2257
2258        repository_handle
2259            .update(&mut cx, |repository_handle, cx| {
2260                repository_handle.spawn_set_index_text_job(
2261                    repo_path,
2262                    envelope.payload.text,
2263                    None,
2264                    cx,
2265                )
2266            })
2267            .await??;
2268        Ok(proto::Ack {})
2269    }
2270
2271    async fn handle_run_hook(
2272        this: Entity<Self>,
2273        envelope: TypedEnvelope<proto::RunGitHook>,
2274        mut cx: AsyncApp,
2275    ) -> Result<proto::Ack> {
2276        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2277        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2278        let hook = RunHook::from_proto(envelope.payload.hook).context("invalid hook")?;
2279        repository_handle
2280            .update(&mut cx, |repository_handle, cx| {
2281                repository_handle.run_hook(hook, cx)
2282            })
2283            .await??;
2284        Ok(proto::Ack {})
2285    }
2286
2287    async fn handle_commit(
2288        this: Entity<Self>,
2289        envelope: TypedEnvelope<proto::Commit>,
2290        mut cx: AsyncApp,
2291    ) -> Result<proto::Ack> {
2292        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2293        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2294        let askpass_id = envelope.payload.askpass_id;
2295
2296        let askpass = make_remote_delegate(
2297            this,
2298            envelope.payload.project_id,
2299            repository_id,
2300            askpass_id,
2301            &mut cx,
2302        );
2303
2304        let message = SharedString::from(envelope.payload.message);
2305        let name = envelope.payload.name.map(SharedString::from);
2306        let email = envelope.payload.email.map(SharedString::from);
2307        let options = envelope.payload.options.unwrap_or_default();
2308
2309        repository_handle
2310            .update(&mut cx, |repository_handle, cx| {
2311                repository_handle.commit(
2312                    message,
2313                    name.zip(email),
2314                    CommitOptions {
2315                        amend: options.amend,
2316                        signoff: options.signoff,
2317                    },
2318                    askpass,
2319                    cx,
2320                )
2321            })
2322            .await??;
2323        Ok(proto::Ack {})
2324    }
2325
2326    async fn handle_get_remotes(
2327        this: Entity<Self>,
2328        envelope: TypedEnvelope<proto::GetRemotes>,
2329        mut cx: AsyncApp,
2330    ) -> Result<proto::GetRemotesResponse> {
2331        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2332        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2333
2334        let branch_name = envelope.payload.branch_name;
2335        let is_push = envelope.payload.is_push;
2336
2337        let remotes = repository_handle
2338            .update(&mut cx, |repository_handle, _| {
2339                repository_handle.get_remotes(branch_name, is_push)
2340            })
2341            .await??;
2342
2343        Ok(proto::GetRemotesResponse {
2344            remotes: remotes
2345                .into_iter()
2346                .map(|remotes| proto::get_remotes_response::Remote {
2347                    name: remotes.name.to_string(),
2348                })
2349                .collect::<Vec<_>>(),
2350        })
2351    }
2352
2353    async fn handle_get_worktrees(
2354        this: Entity<Self>,
2355        envelope: TypedEnvelope<proto::GitGetWorktrees>,
2356        mut cx: AsyncApp,
2357    ) -> Result<proto::GitWorktreesResponse> {
2358        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2359        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2360
2361        let worktrees = repository_handle
2362            .update(&mut cx, |repository_handle, _| {
2363                repository_handle.worktrees()
2364            })
2365            .await??;
2366
2367        Ok(proto::GitWorktreesResponse {
2368            worktrees: worktrees
2369                .into_iter()
2370                .map(|worktree| worktree_to_proto(&worktree))
2371                .collect::<Vec<_>>(),
2372        })
2373    }
2374
2375    async fn handle_create_worktree(
2376        this: Entity<Self>,
2377        envelope: TypedEnvelope<proto::GitCreateWorktree>,
2378        mut cx: AsyncApp,
2379    ) -> Result<proto::Ack> {
2380        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2381        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2382        let directory = PathBuf::from(envelope.payload.directory);
2383        let name = envelope.payload.name;
2384        let commit = envelope.payload.commit;
2385
2386        repository_handle
2387            .update(&mut cx, |repository_handle, _| {
2388                repository_handle.create_worktree(name, directory, commit)
2389            })
2390            .await??;
2391
2392        Ok(proto::Ack {})
2393    }
2394
2395    async fn handle_remove_worktree(
2396        this: Entity<Self>,
2397        envelope: TypedEnvelope<proto::GitRemoveWorktree>,
2398        mut cx: AsyncApp,
2399    ) -> Result<proto::Ack> {
2400        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2401        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2402        let path = PathBuf::from(envelope.payload.path);
2403        let force = envelope.payload.force;
2404
2405        repository_handle
2406            .update(&mut cx, |repository_handle, _| {
2407                repository_handle.remove_worktree(path, force)
2408            })
2409            .await??;
2410
2411        Ok(proto::Ack {})
2412    }
2413
2414    async fn handle_rename_worktree(
2415        this: Entity<Self>,
2416        envelope: TypedEnvelope<proto::GitRenameWorktree>,
2417        mut cx: AsyncApp,
2418    ) -> Result<proto::Ack> {
2419        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2420        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2421        let old_path = PathBuf::from(envelope.payload.old_path);
2422        let new_path = PathBuf::from(envelope.payload.new_path);
2423
2424        repository_handle
2425            .update(&mut cx, |repository_handle, _| {
2426                repository_handle.rename_worktree(old_path, new_path)
2427            })
2428            .await??;
2429
2430        Ok(proto::Ack {})
2431    }
2432
2433    async fn handle_get_branches(
2434        this: Entity<Self>,
2435        envelope: TypedEnvelope<proto::GitGetBranches>,
2436        mut cx: AsyncApp,
2437    ) -> Result<proto::GitBranchesResponse> {
2438        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2439        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2440
2441        let branches = repository_handle
2442            .update(&mut cx, |repository_handle, _| repository_handle.branches())
2443            .await??;
2444
2445        Ok(proto::GitBranchesResponse {
2446            branches: branches
2447                .into_iter()
2448                .map(|branch| branch_to_proto(&branch))
2449                .collect::<Vec<_>>(),
2450        })
2451    }
2452    async fn handle_get_default_branch(
2453        this: Entity<Self>,
2454        envelope: TypedEnvelope<proto::GetDefaultBranch>,
2455        mut cx: AsyncApp,
2456    ) -> Result<proto::GetDefaultBranchResponse> {
2457        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2458        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2459
2460        let branch = repository_handle
2461            .update(&mut cx, |repository_handle, _| {
2462                repository_handle.default_branch(false)
2463            })
2464            .await??
2465            .map(Into::into);
2466
2467        Ok(proto::GetDefaultBranchResponse { branch })
2468    }
2469    async fn handle_create_branch(
2470        this: Entity<Self>,
2471        envelope: TypedEnvelope<proto::GitCreateBranch>,
2472        mut cx: AsyncApp,
2473    ) -> Result<proto::Ack> {
2474        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2475        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2476        let branch_name = envelope.payload.branch_name;
2477
2478        repository_handle
2479            .update(&mut cx, |repository_handle, _| {
2480                repository_handle.create_branch(branch_name, None)
2481            })
2482            .await??;
2483
2484        Ok(proto::Ack {})
2485    }
2486
2487    async fn handle_change_branch(
2488        this: Entity<Self>,
2489        envelope: TypedEnvelope<proto::GitChangeBranch>,
2490        mut cx: AsyncApp,
2491    ) -> Result<proto::Ack> {
2492        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2493        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2494        let branch_name = envelope.payload.branch_name;
2495
2496        repository_handle
2497            .update(&mut cx, |repository_handle, _| {
2498                repository_handle.change_branch(branch_name)
2499            })
2500            .await??;
2501
2502        Ok(proto::Ack {})
2503    }
2504
2505    async fn handle_rename_branch(
2506        this: Entity<Self>,
2507        envelope: TypedEnvelope<proto::GitRenameBranch>,
2508        mut cx: AsyncApp,
2509    ) -> Result<proto::Ack> {
2510        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2511        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2512        let branch = envelope.payload.branch;
2513        let new_name = envelope.payload.new_name;
2514
2515        repository_handle
2516            .update(&mut cx, |repository_handle, _| {
2517                repository_handle.rename_branch(branch, new_name)
2518            })
2519            .await??;
2520
2521        Ok(proto::Ack {})
2522    }
2523
2524    async fn handle_create_remote(
2525        this: Entity<Self>,
2526        envelope: TypedEnvelope<proto::GitCreateRemote>,
2527        mut cx: AsyncApp,
2528    ) -> Result<proto::Ack> {
2529        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2530        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2531        let remote_name = envelope.payload.remote_name;
2532        let remote_url = envelope.payload.remote_url;
2533
2534        repository_handle
2535            .update(&mut cx, |repository_handle, _| {
2536                repository_handle.create_remote(remote_name, remote_url)
2537            })
2538            .await??;
2539
2540        Ok(proto::Ack {})
2541    }
2542
2543    async fn handle_delete_branch(
2544        this: Entity<Self>,
2545        envelope: TypedEnvelope<proto::GitDeleteBranch>,
2546        mut cx: AsyncApp,
2547    ) -> Result<proto::Ack> {
2548        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2549        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2550        let is_remote = envelope.payload.is_remote;
2551        let branch_name = envelope.payload.branch_name;
2552
2553        repository_handle
2554            .update(&mut cx, |repository_handle, _| {
2555                repository_handle.delete_branch(is_remote, branch_name)
2556            })
2557            .await??;
2558
2559        Ok(proto::Ack {})
2560    }
2561
2562    async fn handle_remove_remote(
2563        this: Entity<Self>,
2564        envelope: TypedEnvelope<proto::GitRemoveRemote>,
2565        mut cx: AsyncApp,
2566    ) -> Result<proto::Ack> {
2567        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2568        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2569        let remote_name = envelope.payload.remote_name;
2570
2571        repository_handle
2572            .update(&mut cx, |repository_handle, _| {
2573                repository_handle.remove_remote(remote_name)
2574            })
2575            .await??;
2576
2577        Ok(proto::Ack {})
2578    }
2579
2580    async fn handle_show(
2581        this: Entity<Self>,
2582        envelope: TypedEnvelope<proto::GitShow>,
2583        mut cx: AsyncApp,
2584    ) -> Result<proto::GitCommitDetails> {
2585        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2586        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2587
2588        let commit = repository_handle
2589            .update(&mut cx, |repository_handle, _| {
2590                repository_handle.show(envelope.payload.commit)
2591            })
2592            .await??;
2593        Ok(proto::GitCommitDetails {
2594            sha: commit.sha.into(),
2595            message: commit.message.into(),
2596            commit_timestamp: commit.commit_timestamp,
2597            author_email: commit.author_email.into(),
2598            author_name: commit.author_name.into(),
2599        })
2600    }
2601
2602    async fn handle_load_commit_diff(
2603        this: Entity<Self>,
2604        envelope: TypedEnvelope<proto::LoadCommitDiff>,
2605        mut cx: AsyncApp,
2606    ) -> Result<proto::LoadCommitDiffResponse> {
2607        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2608        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2609
2610        let commit_diff = repository_handle
2611            .update(&mut cx, |repository_handle, _| {
2612                repository_handle.load_commit_diff(envelope.payload.commit)
2613            })
2614            .await??;
2615        Ok(proto::LoadCommitDiffResponse {
2616            files: commit_diff
2617                .files
2618                .into_iter()
2619                .map(|file| proto::CommitFile {
2620                    path: file.path.to_proto(),
2621                    old_text: file.old_text,
2622                    new_text: file.new_text,
2623                    is_binary: file.is_binary,
2624                })
2625                .collect(),
2626        })
2627    }
2628
2629    async fn handle_file_history(
2630        this: Entity<Self>,
2631        envelope: TypedEnvelope<proto::GitFileHistory>,
2632        mut cx: AsyncApp,
2633    ) -> Result<proto::GitFileHistoryResponse> {
2634        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2635        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2636        let path = RepoPath::from_proto(&envelope.payload.path)?;
2637        let skip = envelope.payload.skip as usize;
2638        let limit = envelope.payload.limit.map(|l| l as usize);
2639
2640        let file_history = repository_handle
2641            .update(&mut cx, |repository_handle, _| {
2642                repository_handle.file_history_paginated(path, skip, limit)
2643            })
2644            .await??;
2645
2646        Ok(proto::GitFileHistoryResponse {
2647            entries: file_history
2648                .entries
2649                .into_iter()
2650                .map(|entry| proto::FileHistoryEntry {
2651                    sha: entry.sha.to_string(),
2652                    subject: entry.subject.to_string(),
2653                    message: entry.message.to_string(),
2654                    commit_timestamp: entry.commit_timestamp,
2655                    author_name: entry.author_name.to_string(),
2656                    author_email: entry.author_email.to_string(),
2657                })
2658                .collect(),
2659            path: file_history.path.to_proto(),
2660        })
2661    }
2662
2663    async fn handle_reset(
2664        this: Entity<Self>,
2665        envelope: TypedEnvelope<proto::GitReset>,
2666        mut cx: AsyncApp,
2667    ) -> Result<proto::Ack> {
2668        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2669        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2670
2671        let mode = match envelope.payload.mode() {
2672            git_reset::ResetMode::Soft => ResetMode::Soft,
2673            git_reset::ResetMode::Mixed => ResetMode::Mixed,
2674        };
2675
2676        repository_handle
2677            .update(&mut cx, |repository_handle, cx| {
2678                repository_handle.reset(envelope.payload.commit, mode, cx)
2679            })
2680            .await??;
2681        Ok(proto::Ack {})
2682    }
2683
2684    async fn handle_checkout_files(
2685        this: Entity<Self>,
2686        envelope: TypedEnvelope<proto::GitCheckoutFiles>,
2687        mut cx: AsyncApp,
2688    ) -> Result<proto::Ack> {
2689        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2690        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2691        let paths = envelope
2692            .payload
2693            .paths
2694            .iter()
2695            .map(|s| RepoPath::from_proto(s))
2696            .collect::<Result<Vec<_>>>()?;
2697
2698        repository_handle
2699            .update(&mut cx, |repository_handle, cx| {
2700                repository_handle.checkout_files(&envelope.payload.commit, paths, cx)
2701            })
2702            .await?;
2703        Ok(proto::Ack {})
2704    }
2705
2706    async fn handle_open_commit_message_buffer(
2707        this: Entity<Self>,
2708        envelope: TypedEnvelope<proto::OpenCommitMessageBuffer>,
2709        mut cx: AsyncApp,
2710    ) -> Result<proto::OpenBufferResponse> {
2711        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2712        let repository = Self::repository_for_request(&this, repository_id, &mut cx)?;
2713        let buffer = repository
2714            .update(&mut cx, |repository, cx| {
2715                repository.open_commit_buffer(None, this.read(cx).buffer_store.clone(), cx)
2716            })
2717            .await?;
2718
2719        let buffer_id = buffer.read_with(&cx, |buffer, _| buffer.remote_id());
2720        this.update(&mut cx, |this, cx| {
2721            this.buffer_store.update(cx, |buffer_store, cx| {
2722                buffer_store
2723                    .create_buffer_for_peer(
2724                        &buffer,
2725                        envelope.original_sender_id.unwrap_or(envelope.sender_id),
2726                        cx,
2727                    )
2728                    .detach_and_log_err(cx);
2729            })
2730        });
2731
2732        Ok(proto::OpenBufferResponse {
2733            buffer_id: buffer_id.to_proto(),
2734        })
2735    }
2736
2737    async fn handle_askpass(
2738        this: Entity<Self>,
2739        envelope: TypedEnvelope<proto::AskPassRequest>,
2740        mut cx: AsyncApp,
2741    ) -> Result<proto::AskPassResponse> {
2742        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2743        let repository = Self::repository_for_request(&this, repository_id, &mut cx)?;
2744
2745        let delegates = cx.update(|cx| repository.read(cx).askpass_delegates.clone());
2746        let Some(mut askpass) = delegates.lock().remove(&envelope.payload.askpass_id) else {
2747            debug_panic!("no askpass found");
2748            anyhow::bail!("no askpass found");
2749        };
2750
2751        let response = askpass
2752            .ask_password(envelope.payload.prompt)
2753            .await
2754            .ok_or_else(|| anyhow::anyhow!("askpass cancelled"))?;
2755
2756        delegates
2757            .lock()
2758            .insert(envelope.payload.askpass_id, askpass);
2759
2760        // In fact, we don't quite know what we're doing here, as we're sending askpass password unencrypted, but..
2761        Ok(proto::AskPassResponse {
2762            response: response.decrypt(IKnowWhatIAmDoingAndIHaveReadTheDocs)?,
2763        })
2764    }
2765
2766    async fn handle_check_for_pushed_commits(
2767        this: Entity<Self>,
2768        envelope: TypedEnvelope<proto::CheckForPushedCommits>,
2769        mut cx: AsyncApp,
2770    ) -> Result<proto::CheckForPushedCommitsResponse> {
2771        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2772        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2773
2774        let branches = repository_handle
2775            .update(&mut cx, |repository_handle, _| {
2776                repository_handle.check_for_pushed_commits()
2777            })
2778            .await??;
2779        Ok(proto::CheckForPushedCommitsResponse {
2780            pushed_to: branches
2781                .into_iter()
2782                .map(|commit| commit.to_string())
2783                .collect(),
2784        })
2785    }
2786
2787    async fn handle_git_diff(
2788        this: Entity<Self>,
2789        envelope: TypedEnvelope<proto::GitDiff>,
2790        mut cx: AsyncApp,
2791    ) -> Result<proto::GitDiffResponse> {
2792        let repository_id = RepositoryId::from_proto(envelope.payload.repository_id);
2793        let repository_handle = Self::repository_for_request(&this, repository_id, &mut cx)?;
2794        let diff_type = match envelope.payload.diff_type() {
2795            proto::git_diff::DiffType::HeadToIndex => DiffType::HeadToIndex,
2796            proto::git_diff::DiffType::HeadToWorktree => DiffType::HeadToWorktree,
2797            proto::git_diff::DiffType::MergeBase => {
2798                let base_ref = envelope
2799                    .payload
2800                    .merge_base_ref
2801                    .ok_or_else(|| anyhow!("merge_base_ref is required for MergeBase diff type"))?;
2802                DiffType::MergeBase {
2803                    base_ref: base_ref.into(),
2804                }
2805            }
2806        };
2807
2808        let mut diff = repository_handle
2809            .update(&mut cx, |repository_handle, cx| {
2810                repository_handle.diff(diff_type, cx)
2811            })
2812            .await??;
2813        const ONE_MB: usize = 1_000_000;
2814        if diff.len() > ONE_MB {
2815            diff = diff.chars().take(ONE_MB).collect()
2816        }
2817
2818        Ok(proto::GitDiffResponse { diff })
2819    }
2820
2821    async fn handle_tree_diff(
2822        this: Entity<Self>,
2823        request: TypedEnvelope<proto::GetTreeDiff>,
2824        mut cx: AsyncApp,
2825    ) -> Result<proto::GetTreeDiffResponse> {
2826        let repository_id = RepositoryId(request.payload.repository_id);
2827        let diff_type = if request.payload.is_merge {
2828            DiffTreeType::MergeBase {
2829                base: request.payload.base.into(),
2830                head: request.payload.head.into(),
2831            }
2832        } else {
2833            DiffTreeType::Since {
2834                base: request.payload.base.into(),
2835                head: request.payload.head.into(),
2836            }
2837        };
2838
2839        let diff = this
2840            .update(&mut cx, |this, cx| {
2841                let repository = this.repositories().get(&repository_id)?;
2842                Some(repository.update(cx, |repo, cx| repo.diff_tree(diff_type, cx)))
2843            })
2844            .context("missing repository")?
2845            .await??;
2846
2847        Ok(proto::GetTreeDiffResponse {
2848            entries: diff
2849                .entries
2850                .into_iter()
2851                .map(|(path, status)| proto::TreeDiffStatus {
2852                    path: path.as_ref().to_proto(),
2853                    status: match status {
2854                        TreeDiffStatus::Added {} => proto::tree_diff_status::Status::Added.into(),
2855                        TreeDiffStatus::Modified { .. } => {
2856                            proto::tree_diff_status::Status::Modified.into()
2857                        }
2858                        TreeDiffStatus::Deleted { .. } => {
2859                            proto::tree_diff_status::Status::Deleted.into()
2860                        }
2861                    },
2862                    oid: match status {
2863                        TreeDiffStatus::Deleted { old } | TreeDiffStatus::Modified { old } => {
2864                            Some(old.to_string())
2865                        }
2866                        TreeDiffStatus::Added => None,
2867                    },
2868                })
2869                .collect(),
2870        })
2871    }
2872
2873    async fn handle_get_blob_content(
2874        this: Entity<Self>,
2875        request: TypedEnvelope<proto::GetBlobContent>,
2876        mut cx: AsyncApp,
2877    ) -> Result<proto::GetBlobContentResponse> {
2878        let oid = git::Oid::from_str(&request.payload.oid)?;
2879        let repository_id = RepositoryId(request.payload.repository_id);
2880        let content = this
2881            .update(&mut cx, |this, cx| {
2882                let repository = this.repositories().get(&repository_id)?;
2883                Some(repository.update(cx, |repo, cx| repo.load_blob_content(oid, cx)))
2884            })
2885            .context("missing repository")?
2886            .await?;
2887        Ok(proto::GetBlobContentResponse { content })
2888    }
2889
2890    async fn handle_open_unstaged_diff(
2891        this: Entity<Self>,
2892        request: TypedEnvelope<proto::OpenUnstagedDiff>,
2893        mut cx: AsyncApp,
2894    ) -> Result<proto::OpenUnstagedDiffResponse> {
2895        let buffer_id = BufferId::new(request.payload.buffer_id)?;
2896        let diff = this
2897            .update(&mut cx, |this, cx| {
2898                let buffer = this.buffer_store.read(cx).get(buffer_id)?;
2899                Some(this.open_unstaged_diff(buffer, cx))
2900            })
2901            .context("missing buffer")?
2902            .await?;
2903        this.update(&mut cx, |this, _| {
2904            let shared_diffs = this
2905                .shared_diffs
2906                .entry(request.original_sender_id.unwrap_or(request.sender_id))
2907                .or_default();
2908            shared_diffs.entry(buffer_id).or_default().unstaged = Some(diff.clone());
2909        });
2910        let staged_text = diff.read_with(&cx, |diff, cx| diff.base_text_string(cx));
2911        Ok(proto::OpenUnstagedDiffResponse { staged_text })
2912    }
2913
2914    async fn handle_open_uncommitted_diff(
2915        this: Entity<Self>,
2916        request: TypedEnvelope<proto::OpenUncommittedDiff>,
2917        mut cx: AsyncApp,
2918    ) -> Result<proto::OpenUncommittedDiffResponse> {
2919        let buffer_id = BufferId::new(request.payload.buffer_id)?;
2920        let diff = this
2921            .update(&mut cx, |this, cx| {
2922                let buffer = this.buffer_store.read(cx).get(buffer_id)?;
2923                Some(this.open_uncommitted_diff(buffer, cx))
2924            })
2925            .context("missing buffer")?
2926            .await?;
2927        this.update(&mut cx, |this, _| {
2928            let shared_diffs = this
2929                .shared_diffs
2930                .entry(request.original_sender_id.unwrap_or(request.sender_id))
2931                .or_default();
2932            shared_diffs.entry(buffer_id).or_default().uncommitted = Some(diff.clone());
2933        });
2934        Ok(diff.read_with(&cx, |diff, cx| {
2935            use proto::open_uncommitted_diff_response::Mode;
2936
2937            let unstaged_diff = diff.secondary_diff();
2938            let index_snapshot = unstaged_diff.and_then(|diff| {
2939                let diff = diff.read(cx);
2940                diff.base_text_exists().then(|| diff.base_text(cx))
2941            });
2942
2943            let mode;
2944            let staged_text;
2945            let committed_text;
2946            if diff.base_text_exists() {
2947                let committed_snapshot = diff.base_text(cx);
2948                committed_text = Some(committed_snapshot.text());
2949                if let Some(index_text) = index_snapshot {
2950                    if index_text.remote_id() == committed_snapshot.remote_id() {
2951                        mode = Mode::IndexMatchesHead;
2952                        staged_text = None;
2953                    } else {
2954                        mode = Mode::IndexAndHead;
2955                        staged_text = Some(index_text.text());
2956                    }
2957                } else {
2958                    mode = Mode::IndexAndHead;
2959                    staged_text = None;
2960                }
2961            } else {
2962                mode = Mode::IndexAndHead;
2963                committed_text = None;
2964                staged_text = index_snapshot.as_ref().map(|buffer| buffer.text());
2965            }
2966
2967            proto::OpenUncommittedDiffResponse {
2968                committed_text,
2969                staged_text,
2970                mode: mode.into(),
2971            }
2972        }))
2973    }
2974
2975    async fn handle_update_diff_bases(
2976        this: Entity<Self>,
2977        request: TypedEnvelope<proto::UpdateDiffBases>,
2978        mut cx: AsyncApp,
2979    ) -> Result<()> {
2980        let buffer_id = BufferId::new(request.payload.buffer_id)?;
2981        this.update(&mut cx, |this, cx| {
2982            if let Some(diff_state) = this.diffs.get_mut(&buffer_id)
2983                && let Some(buffer) = this.buffer_store.read(cx).get(buffer_id)
2984            {
2985                let buffer = buffer.read(cx).text_snapshot();
2986                diff_state.update(cx, |diff_state, cx| {
2987                    diff_state.handle_base_texts_updated(buffer, request.payload, cx);
2988                })
2989            }
2990        });
2991        Ok(())
2992    }
2993
2994    async fn handle_blame_buffer(
2995        this: Entity<Self>,
2996        envelope: TypedEnvelope<proto::BlameBuffer>,
2997        mut cx: AsyncApp,
2998    ) -> Result<proto::BlameBufferResponse> {
2999        let buffer_id = BufferId::new(envelope.payload.buffer_id)?;
3000        let version = deserialize_version(&envelope.payload.version);
3001        let buffer = this.read_with(&cx, |this, cx| {
3002            this.buffer_store.read(cx).get_existing(buffer_id)
3003        })?;
3004        buffer
3005            .update(&mut cx, |buffer, _| {
3006                buffer.wait_for_version(version.clone())
3007            })
3008            .await?;
3009        let blame = this
3010            .update(&mut cx, |this, cx| {
3011                this.blame_buffer(&buffer, Some(version), cx)
3012            })
3013            .await?;
3014        Ok(serialize_blame_buffer_response(blame))
3015    }
3016
3017    async fn handle_get_permalink_to_line(
3018        this: Entity<Self>,
3019        envelope: TypedEnvelope<proto::GetPermalinkToLine>,
3020        mut cx: AsyncApp,
3021    ) -> Result<proto::GetPermalinkToLineResponse> {
3022        let buffer_id = BufferId::new(envelope.payload.buffer_id)?;
3023        // let version = deserialize_version(&envelope.payload.version);
3024        let selection = {
3025            let proto_selection = envelope
3026                .payload
3027                .selection
3028                .context("no selection to get permalink for defined")?;
3029            proto_selection.start as u32..proto_selection.end as u32
3030        };
3031        let buffer = this.read_with(&cx, |this, cx| {
3032            this.buffer_store.read(cx).get_existing(buffer_id)
3033        })?;
3034        let permalink = this
3035            .update(&mut cx, |this, cx| {
3036                this.get_permalink_to_line(&buffer, selection, cx)
3037            })
3038            .await?;
3039        Ok(proto::GetPermalinkToLineResponse {
3040            permalink: permalink.to_string(),
3041        })
3042    }
3043
3044    fn repository_for_request(
3045        this: &Entity<Self>,
3046        id: RepositoryId,
3047        cx: &mut AsyncApp,
3048    ) -> Result<Entity<Repository>> {
3049        this.read_with(cx, |this, _| {
3050            this.repositories
3051                .get(&id)
3052                .context("missing repository handle")
3053                .cloned()
3054        })
3055    }
3056
3057    pub fn repo_snapshots(&self, cx: &App) -> HashMap<RepositoryId, RepositorySnapshot> {
3058        self.repositories
3059            .iter()
3060            .map(|(id, repo)| (*id, repo.read(cx).snapshot.clone()))
3061            .collect()
3062    }
3063
3064    fn process_updated_entries(
3065        &self,
3066        worktree: &Entity<Worktree>,
3067        updated_entries: &[(Arc<RelPath>, ProjectEntryId, PathChange)],
3068        cx: &mut App,
3069    ) -> Task<HashMap<Entity<Repository>, Vec<RepoPath>>> {
3070        let path_style = worktree.read(cx).path_style();
3071        let mut repo_paths = self
3072            .repositories
3073            .values()
3074            .map(|repo| (repo.read(cx).work_directory_abs_path.clone(), repo.clone()))
3075            .collect::<Vec<_>>();
3076        let mut entries: Vec<_> = updated_entries
3077            .iter()
3078            .map(|(path, _, _)| path.clone())
3079            .collect();
3080        entries.sort();
3081        let worktree = worktree.read(cx);
3082
3083        let entries = entries
3084            .into_iter()
3085            .map(|path| worktree.absolutize(&path))
3086            .collect::<Arc<[_]>>();
3087
3088        let executor = cx.background_executor().clone();
3089        cx.background_executor().spawn(async move {
3090            repo_paths.sort_by(|lhs, rhs| lhs.0.cmp(&rhs.0));
3091            let mut paths_by_git_repo = HashMap::<_, Vec<_>>::default();
3092            let mut tasks = FuturesOrdered::new();
3093            for (repo_path, repo) in repo_paths.into_iter().rev() {
3094                let entries = entries.clone();
3095                let task = executor.spawn(async move {
3096                    // Find all repository paths that belong to this repo
3097                    let mut ix = entries.partition_point(|path| path < &*repo_path);
3098                    if ix == entries.len() {
3099                        return None;
3100                    };
3101
3102                    let mut paths = Vec::new();
3103                    // All paths prefixed by a given repo will constitute a continuous range.
3104                    while let Some(path) = entries.get(ix)
3105                        && let Some(repo_path) = RepositorySnapshot::abs_path_to_repo_path_inner(
3106                            &repo_path, path, path_style,
3107                        )
3108                    {
3109                        paths.push((repo_path, ix));
3110                        ix += 1;
3111                    }
3112                    if paths.is_empty() {
3113                        None
3114                    } else {
3115                        Some((repo, paths))
3116                    }
3117                });
3118                tasks.push_back(task);
3119            }
3120
3121            // Now, let's filter out the "duplicate" entries that were processed by multiple distinct repos.
3122            let mut path_was_used = vec![false; entries.len()];
3123            let tasks = tasks.collect::<Vec<_>>().await;
3124            // Process tasks from the back: iterating backwards allows us to see more-specific paths first.
3125            // We always want to assign a path to it's innermost repository.
3126            for t in tasks {
3127                let Some((repo, paths)) = t else {
3128                    continue;
3129                };
3130                let entry = paths_by_git_repo.entry(repo).or_default();
3131                for (repo_path, ix) in paths {
3132                    if path_was_used[ix] {
3133                        continue;
3134                    }
3135                    path_was_used[ix] = true;
3136                    entry.push(repo_path);
3137                }
3138            }
3139
3140            paths_by_git_repo
3141        })
3142    }
3143}
3144
3145impl BufferGitState {
3146    fn new(_git_store: WeakEntity<GitStore>) -> Self {
3147        Self {
3148            unstaged_diff: Default::default(),
3149            uncommitted_diff: Default::default(),
3150            oid_diffs: Default::default(),
3151            recalculate_diff_task: Default::default(),
3152            language: Default::default(),
3153            language_registry: Default::default(),
3154            recalculating_tx: postage::watch::channel_with(false).0,
3155            hunk_staging_operation_count: 0,
3156            hunk_staging_operation_count_as_of_write: 0,
3157            head_text: Default::default(),
3158            index_text: Default::default(),
3159            oid_texts: Default::default(),
3160            head_changed: Default::default(),
3161            index_changed: Default::default(),
3162            language_changed: Default::default(),
3163            conflict_updated_futures: Default::default(),
3164            conflict_set: Default::default(),
3165            reparse_conflict_markers_task: Default::default(),
3166        }
3167    }
3168
3169    #[ztracing::instrument(skip_all)]
3170    fn buffer_language_changed(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
3171        self.language = buffer.read(cx).language().cloned();
3172        self.language_changed = true;
3173        let _ = self.recalculate_diffs(buffer.read(cx).text_snapshot(), cx);
3174    }
3175
3176    fn reparse_conflict_markers(
3177        &mut self,
3178        buffer: text::BufferSnapshot,
3179        cx: &mut Context<Self>,
3180    ) -> oneshot::Receiver<()> {
3181        let (tx, rx) = oneshot::channel();
3182
3183        let Some(conflict_set) = self
3184            .conflict_set
3185            .as_ref()
3186            .and_then(|conflict_set| conflict_set.upgrade())
3187        else {
3188            return rx;
3189        };
3190
3191        let old_snapshot = conflict_set.read_with(cx, |conflict_set, _| {
3192            if conflict_set.has_conflict {
3193                Some(conflict_set.snapshot())
3194            } else {
3195                None
3196            }
3197        });
3198
3199        if let Some(old_snapshot) = old_snapshot {
3200            self.conflict_updated_futures.push(tx);
3201            self.reparse_conflict_markers_task = Some(cx.spawn(async move |this, cx| {
3202                let (snapshot, changed_range) = cx
3203                    .background_spawn(async move {
3204                        let new_snapshot = ConflictSet::parse(&buffer);
3205                        let changed_range = old_snapshot.compare(&new_snapshot, &buffer);
3206                        (new_snapshot, changed_range)
3207                    })
3208                    .await;
3209                this.update(cx, |this, cx| {
3210                    if let Some(conflict_set) = &this.conflict_set {
3211                        conflict_set
3212                            .update(cx, |conflict_set, cx| {
3213                                conflict_set.set_snapshot(snapshot, changed_range, cx);
3214                            })
3215                            .ok();
3216                    }
3217                    let futures = std::mem::take(&mut this.conflict_updated_futures);
3218                    for tx in futures {
3219                        tx.send(()).ok();
3220                    }
3221                })
3222            }))
3223        }
3224
3225        rx
3226    }
3227
3228    fn unstaged_diff(&self) -> Option<Entity<BufferDiff>> {
3229        self.unstaged_diff.as_ref().and_then(|set| set.upgrade())
3230    }
3231
3232    fn uncommitted_diff(&self) -> Option<Entity<BufferDiff>> {
3233        self.uncommitted_diff.as_ref().and_then(|set| set.upgrade())
3234    }
3235
3236    fn oid_diff(&self, oid: Option<git::Oid>) -> Option<Entity<BufferDiff>> {
3237        self.oid_diffs.get(&oid).and_then(|weak| weak.upgrade())
3238    }
3239
3240    fn handle_base_texts_updated(
3241        &mut self,
3242        buffer: text::BufferSnapshot,
3243        message: proto::UpdateDiffBases,
3244        cx: &mut Context<Self>,
3245    ) {
3246        use proto::update_diff_bases::Mode;
3247
3248        let Some(mode) = Mode::from_i32(message.mode) else {
3249            return;
3250        };
3251
3252        let diff_bases_change = match mode {
3253            Mode::HeadOnly => DiffBasesChange::SetHead(message.committed_text),
3254            Mode::IndexOnly => DiffBasesChange::SetIndex(message.staged_text),
3255            Mode::IndexMatchesHead => DiffBasesChange::SetBoth(message.committed_text),
3256            Mode::IndexAndHead => DiffBasesChange::SetEach {
3257                index: message.staged_text,
3258                head: message.committed_text,
3259            },
3260        };
3261
3262        self.diff_bases_changed(buffer, Some(diff_bases_change), cx);
3263    }
3264
3265    pub fn wait_for_recalculation(&mut self) -> Option<impl Future<Output = ()> + use<>> {
3266        if *self.recalculating_tx.borrow() {
3267            let mut rx = self.recalculating_tx.subscribe();
3268            Some(async move {
3269                loop {
3270                    let is_recalculating = rx.recv().await;
3271                    if is_recalculating != Some(true) {
3272                        break;
3273                    }
3274                }
3275            })
3276        } else {
3277            None
3278        }
3279    }
3280
3281    fn diff_bases_changed(
3282        &mut self,
3283        buffer: text::BufferSnapshot,
3284        diff_bases_change: Option<DiffBasesChange>,
3285        cx: &mut Context<Self>,
3286    ) {
3287        match diff_bases_change {
3288            Some(DiffBasesChange::SetIndex(index)) => {
3289                self.index_text = index.map(|mut index| {
3290                    text::LineEnding::normalize(&mut index);
3291                    Arc::from(index.as_str())
3292                });
3293                self.index_changed = true;
3294            }
3295            Some(DiffBasesChange::SetHead(head)) => {
3296                self.head_text = head.map(|mut head| {
3297                    text::LineEnding::normalize(&mut head);
3298                    Arc::from(head.as_str())
3299                });
3300                self.head_changed = true;
3301            }
3302            Some(DiffBasesChange::SetBoth(text)) => {
3303                let text = text.map(|mut text| {
3304                    text::LineEnding::normalize(&mut text);
3305                    Arc::from(text.as_str())
3306                });
3307                self.head_text = text.clone();
3308                self.index_text = text;
3309                self.head_changed = true;
3310                self.index_changed = true;
3311            }
3312            Some(DiffBasesChange::SetEach { index, head }) => {
3313                self.index_text = index.map(|mut index| {
3314                    text::LineEnding::normalize(&mut index);
3315                    Arc::from(index.as_str())
3316                });
3317                self.index_changed = true;
3318                self.head_text = head.map(|mut head| {
3319                    text::LineEnding::normalize(&mut head);
3320                    Arc::from(head.as_str())
3321                });
3322                self.head_changed = true;
3323            }
3324            None => {}
3325        }
3326
3327        self.recalculate_diffs(buffer, cx)
3328    }
3329
3330    #[ztracing::instrument(skip_all)]
3331    fn recalculate_diffs(&mut self, buffer: text::BufferSnapshot, cx: &mut Context<Self>) {
3332        *self.recalculating_tx.borrow_mut() = true;
3333
3334        let language = self.language.clone();
3335        let language_registry = self.language_registry.clone();
3336        let unstaged_diff = self.unstaged_diff();
3337        let uncommitted_diff = self.uncommitted_diff();
3338        let head = self.head_text.clone();
3339        let index = self.index_text.clone();
3340        let index_changed = self.index_changed;
3341        let head_changed = self.head_changed;
3342        let language_changed = self.language_changed;
3343        let prev_hunk_staging_operation_count = self.hunk_staging_operation_count_as_of_write;
3344        let index_matches_head = match (self.index_text.as_ref(), self.head_text.as_ref()) {
3345            (Some(index), Some(head)) => Arc::ptr_eq(index, head),
3346            (None, None) => true,
3347            _ => false,
3348        };
3349
3350        let oid_diffs: Vec<(Option<git::Oid>, Entity<BufferDiff>, Option<Arc<str>>)> = self
3351            .oid_diffs
3352            .iter()
3353            .filter_map(|(oid, weak)| {
3354                let base_text = oid.and_then(|oid| self.oid_texts.get(&oid).cloned());
3355                weak.upgrade().map(|diff| (*oid, diff, base_text))
3356            })
3357            .collect();
3358
3359        self.oid_diffs.retain(|oid, weak| {
3360            let alive = weak.upgrade().is_some();
3361            if !alive {
3362                if let Some(oid) = oid {
3363                    self.oid_texts.remove(oid);
3364                }
3365            }
3366            alive
3367        });
3368        self.recalculate_diff_task = Some(cx.spawn(async move |this, cx| {
3369            log::debug!(
3370                "start recalculating diffs for buffer {}",
3371                buffer.remote_id()
3372            );
3373
3374            let mut new_unstaged_diff = None;
3375            if let Some(unstaged_diff) = &unstaged_diff {
3376                new_unstaged_diff = Some(
3377                    cx.update(|cx| {
3378                        unstaged_diff.read(cx).update_diff(
3379                            buffer.clone(),
3380                            index,
3381                            index_changed.then_some(false),
3382                            language.clone(),
3383                            cx,
3384                        )
3385                    })
3386                    .await,
3387                );
3388            }
3389
3390            // Dropping BufferDiff can be expensive, so yield back to the event loop
3391            // for a bit
3392            yield_now().await;
3393
3394            let mut new_uncommitted_diff = None;
3395            if let Some(uncommitted_diff) = &uncommitted_diff {
3396                new_uncommitted_diff = if index_matches_head {
3397                    new_unstaged_diff.clone()
3398                } else {
3399                    Some(
3400                        cx.update(|cx| {
3401                            uncommitted_diff.read(cx).update_diff(
3402                                buffer.clone(),
3403                                head,
3404                                head_changed.then_some(true),
3405                                language.clone(),
3406                                cx,
3407                            )
3408                        })
3409                        .await,
3410                    )
3411                }
3412            }
3413
3414            // Dropping BufferDiff can be expensive, so yield back to the event loop
3415            // for a bit
3416            yield_now().await;
3417
3418            let cancel = this.update(cx, |this, _| {
3419                // This checks whether all pending stage/unstage operations
3420                // have quiesced (i.e. both the corresponding write and the
3421                // read of that write have completed). If not, then we cancel
3422                // this recalculation attempt to avoid invalidating pending
3423                // state too quickly; another recalculation will come along
3424                // later and clear the pending state once the state of the index has settled.
3425                if this.hunk_staging_operation_count > prev_hunk_staging_operation_count {
3426                    *this.recalculating_tx.borrow_mut() = false;
3427                    true
3428                } else {
3429                    false
3430                }
3431            })?;
3432            if cancel {
3433                log::debug!(
3434                    concat!(
3435                        "aborting recalculating diffs for buffer {}",
3436                        "due to subsequent hunk operations",
3437                    ),
3438                    buffer.remote_id()
3439                );
3440                return Ok(());
3441            }
3442
3443            let unstaged_changed_range = if let Some((unstaged_diff, new_unstaged_diff)) =
3444                unstaged_diff.as_ref().zip(new_unstaged_diff.clone())
3445            {
3446                let task = unstaged_diff.update(cx, |diff, cx| {
3447                    // For git index buffer we skip assigning the language as we do not really need to perform any syntax highlighting on
3448                    // it. As a result, by skipping it we are potentially shaving off a lot of RSS plus we get a snappier feel for large diff
3449                    // view multibuffers.
3450                    diff.set_snapshot(new_unstaged_diff, &buffer, cx)
3451                });
3452                Some(task.await)
3453            } else {
3454                None
3455            };
3456
3457            yield_now().await;
3458
3459            if let Some((uncommitted_diff, new_uncommitted_diff)) =
3460                uncommitted_diff.as_ref().zip(new_uncommitted_diff.clone())
3461            {
3462                uncommitted_diff
3463                    .update(cx, |diff, cx| {
3464                        if language_changed {
3465                            diff.language_changed(language.clone(), language_registry, cx);
3466                        }
3467                        diff.set_snapshot_with_secondary(
3468                            new_uncommitted_diff,
3469                            &buffer,
3470                            unstaged_changed_range.flatten(),
3471                            true,
3472                            cx,
3473                        )
3474                    })
3475                    .await;
3476            }
3477
3478            yield_now().await;
3479
3480            for (oid, oid_diff, base_text) in oid_diffs {
3481                let new_oid_diff = cx
3482                    .update(|cx| {
3483                        oid_diff.read(cx).update_diff(
3484                            buffer.clone(),
3485                            base_text,
3486                            None,
3487                            language.clone(),
3488                            cx,
3489                        )
3490                    })
3491                    .await;
3492
3493                oid_diff
3494                    .update(cx, |diff, cx| diff.set_snapshot(new_oid_diff, &buffer, cx))
3495                    .await;
3496
3497                log::debug!(
3498                    "finished recalculating oid diff for buffer {} oid {:?}",
3499                    buffer.remote_id(),
3500                    oid
3501                );
3502
3503                yield_now().await;
3504            }
3505
3506            log::debug!(
3507                "finished recalculating diffs for buffer {}",
3508                buffer.remote_id()
3509            );
3510
3511            if let Some(this) = this.upgrade() {
3512                this.update(cx, |this, _| {
3513                    this.index_changed = false;
3514                    this.head_changed = false;
3515                    this.language_changed = false;
3516                    *this.recalculating_tx.borrow_mut() = false;
3517                });
3518            }
3519
3520            Ok(())
3521        }));
3522    }
3523}
3524
3525fn make_remote_delegate(
3526    this: Entity<GitStore>,
3527    project_id: u64,
3528    repository_id: RepositoryId,
3529    askpass_id: u64,
3530    cx: &mut AsyncApp,
3531) -> AskPassDelegate {
3532    AskPassDelegate::new(cx, move |prompt, tx, cx| {
3533        this.update(cx, |this, cx| {
3534            let Some((client, _)) = this.downstream_client() else {
3535                return;
3536            };
3537            let response = client.request(proto::AskPassRequest {
3538                project_id,
3539                repository_id: repository_id.to_proto(),
3540                askpass_id,
3541                prompt,
3542            });
3543            cx.spawn(async move |_, _| {
3544                let mut response = response.await?.response;
3545                tx.send(EncryptedPassword::try_from(response.as_ref())?)
3546                    .ok();
3547                response.zeroize();
3548                anyhow::Ok(())
3549            })
3550            .detach_and_log_err(cx);
3551        });
3552    })
3553}
3554
3555impl RepositoryId {
3556    pub fn to_proto(self) -> u64 {
3557        self.0
3558    }
3559
3560    pub fn from_proto(id: u64) -> Self {
3561        RepositoryId(id)
3562    }
3563}
3564
3565impl RepositorySnapshot {
3566    fn empty(
3567        id: RepositoryId,
3568        work_directory_abs_path: Arc<Path>,
3569        original_repo_abs_path: Option<Arc<Path>>,
3570        path_style: PathStyle,
3571    ) -> Self {
3572        Self {
3573            id,
3574            statuses_by_path: Default::default(),
3575            original_repo_abs_path: original_repo_abs_path
3576                .unwrap_or_else(|| work_directory_abs_path.clone()),
3577            work_directory_abs_path,
3578            branch: None,
3579            head_commit: None,
3580            scan_id: 0,
3581            merge: Default::default(),
3582            remote_origin_url: None,
3583            remote_upstream_url: None,
3584            stash_entries: Default::default(),
3585            linked_worktrees: Arc::from([]),
3586            path_style,
3587        }
3588    }
3589
3590    fn initial_update(&self, project_id: u64) -> proto::UpdateRepository {
3591        proto::UpdateRepository {
3592            branch_summary: self.branch.as_ref().map(branch_to_proto),
3593            head_commit_details: self.head_commit.as_ref().map(commit_details_to_proto),
3594            updated_statuses: self
3595                .statuses_by_path
3596                .iter()
3597                .map(|entry| entry.to_proto())
3598                .collect(),
3599            removed_statuses: Default::default(),
3600            current_merge_conflicts: self
3601                .merge
3602                .merge_heads_by_conflicted_path
3603                .iter()
3604                .map(|(repo_path, _)| repo_path.to_proto())
3605                .collect(),
3606            merge_message: self.merge.message.as_ref().map(|msg| msg.to_string()),
3607            project_id,
3608            id: self.id.to_proto(),
3609            abs_path: self.work_directory_abs_path.to_string_lossy().into_owned(),
3610            entry_ids: vec![self.id.to_proto()],
3611            scan_id: self.scan_id,
3612            is_last_update: true,
3613            stash_entries: self
3614                .stash_entries
3615                .entries
3616                .iter()
3617                .map(stash_to_proto)
3618                .collect(),
3619            remote_upstream_url: self.remote_upstream_url.clone(),
3620            remote_origin_url: self.remote_origin_url.clone(),
3621            original_repo_abs_path: Some(
3622                self.original_repo_abs_path.to_string_lossy().into_owned(),
3623            ),
3624            linked_worktrees: self
3625                .linked_worktrees
3626                .iter()
3627                .map(worktree_to_proto)
3628                .collect(),
3629        }
3630    }
3631
3632    fn build_update(&self, old: &Self, project_id: u64) -> proto::UpdateRepository {
3633        let mut updated_statuses: Vec<proto::StatusEntry> = Vec::new();
3634        let mut removed_statuses: Vec<String> = Vec::new();
3635
3636        let mut new_statuses = self.statuses_by_path.iter().peekable();
3637        let mut old_statuses = old.statuses_by_path.iter().peekable();
3638
3639        let mut current_new_entry = new_statuses.next();
3640        let mut current_old_entry = old_statuses.next();
3641        loop {
3642            match (current_new_entry, current_old_entry) {
3643                (Some(new_entry), Some(old_entry)) => {
3644                    match new_entry.repo_path.cmp(&old_entry.repo_path) {
3645                        Ordering::Less => {
3646                            updated_statuses.push(new_entry.to_proto());
3647                            current_new_entry = new_statuses.next();
3648                        }
3649                        Ordering::Equal => {
3650                            if new_entry.status != old_entry.status
3651                                || new_entry.diff_stat != old_entry.diff_stat
3652                            {
3653                                updated_statuses.push(new_entry.to_proto());
3654                            }
3655                            current_old_entry = old_statuses.next();
3656                            current_new_entry = new_statuses.next();
3657                        }
3658                        Ordering::Greater => {
3659                            removed_statuses.push(old_entry.repo_path.to_proto());
3660                            current_old_entry = old_statuses.next();
3661                        }
3662                    }
3663                }
3664                (None, Some(old_entry)) => {
3665                    removed_statuses.push(old_entry.repo_path.to_proto());
3666                    current_old_entry = old_statuses.next();
3667                }
3668                (Some(new_entry), None) => {
3669                    updated_statuses.push(new_entry.to_proto());
3670                    current_new_entry = new_statuses.next();
3671                }
3672                (None, None) => break,
3673            }
3674        }
3675
3676        proto::UpdateRepository {
3677            branch_summary: self.branch.as_ref().map(branch_to_proto),
3678            head_commit_details: self.head_commit.as_ref().map(commit_details_to_proto),
3679            updated_statuses,
3680            removed_statuses,
3681            current_merge_conflicts: self
3682                .merge
3683                .merge_heads_by_conflicted_path
3684                .iter()
3685                .map(|(path, _)| path.to_proto())
3686                .collect(),
3687            merge_message: self.merge.message.as_ref().map(|msg| msg.to_string()),
3688            project_id,
3689            id: self.id.to_proto(),
3690            abs_path: self.work_directory_abs_path.to_string_lossy().into_owned(),
3691            entry_ids: vec![],
3692            scan_id: self.scan_id,
3693            is_last_update: true,
3694            stash_entries: self
3695                .stash_entries
3696                .entries
3697                .iter()
3698                .map(stash_to_proto)
3699                .collect(),
3700            remote_upstream_url: self.remote_upstream_url.clone(),
3701            remote_origin_url: self.remote_origin_url.clone(),
3702            original_repo_abs_path: Some(
3703                self.original_repo_abs_path.to_string_lossy().into_owned(),
3704            ),
3705            linked_worktrees: self
3706                .linked_worktrees
3707                .iter()
3708                .map(worktree_to_proto)
3709                .collect(),
3710        }
3711    }
3712
3713    /// The main worktree is the original checkout that other worktrees were
3714    /// created from.
3715    ///
3716    /// For example, if you had both `~/code/zed` and `~/code/worktrees/zed-2`,
3717    /// then `~/code/zed` is the main worktree and `~/code/worktrees/zed-2` is a linked worktree.
3718    ///
3719    /// Submodules also return `true` here, since they are not linked worktrees.
3720    pub fn is_main_worktree(&self) -> bool {
3721        self.work_directory_abs_path == self.original_repo_abs_path
3722    }
3723
3724    /// Returns true if this repository is a linked worktree, that is, one that
3725    /// was created from another worktree.
3726    ///
3727    /// Returns `false` for both the main worktree and submodules.
3728    pub fn is_linked_worktree(&self) -> bool {
3729        !self.is_main_worktree()
3730    }
3731
3732    pub fn linked_worktrees(&self) -> &[GitWorktree] {
3733        &self.linked_worktrees
3734    }
3735
3736    pub fn status(&self) -> impl Iterator<Item = StatusEntry> + '_ {
3737        self.statuses_by_path.iter().cloned()
3738    }
3739
3740    pub fn status_summary(&self) -> GitSummary {
3741        self.statuses_by_path.summary().item_summary
3742    }
3743
3744    pub fn status_for_path(&self, path: &RepoPath) -> Option<StatusEntry> {
3745        self.statuses_by_path
3746            .get(&PathKey(path.as_ref().clone()), ())
3747            .cloned()
3748    }
3749
3750    pub fn diff_stat_for_path(&self, path: &RepoPath) -> Option<DiffStat> {
3751        self.statuses_by_path
3752            .get(&PathKey(path.as_ref().clone()), ())
3753            .and_then(|entry| entry.diff_stat)
3754    }
3755
3756    pub fn abs_path_to_repo_path(&self, abs_path: &Path) -> Option<RepoPath> {
3757        Self::abs_path_to_repo_path_inner(&self.work_directory_abs_path, abs_path, self.path_style)
3758    }
3759
3760    fn repo_path_to_abs_path(&self, repo_path: &RepoPath) -> PathBuf {
3761        self.path_style
3762            .join(&self.work_directory_abs_path, repo_path.as_std_path())
3763            .unwrap()
3764            .into()
3765    }
3766
3767    #[inline]
3768    fn abs_path_to_repo_path_inner(
3769        work_directory_abs_path: &Path,
3770        abs_path: &Path,
3771        path_style: PathStyle,
3772    ) -> Option<RepoPath> {
3773        let rel_path = path_style.strip_prefix(abs_path, work_directory_abs_path)?;
3774        Some(RepoPath::from_rel_path(&rel_path))
3775    }
3776
3777    pub fn had_conflict_on_last_merge_head_change(&self, repo_path: &RepoPath) -> bool {
3778        self.merge
3779            .merge_heads_by_conflicted_path
3780            .contains_key(repo_path)
3781    }
3782
3783    pub fn has_conflict(&self, repo_path: &RepoPath) -> bool {
3784        let had_conflict_on_last_merge_head_change = self
3785            .merge
3786            .merge_heads_by_conflicted_path
3787            .contains_key(repo_path);
3788        let has_conflict_currently = self
3789            .status_for_path(repo_path)
3790            .is_some_and(|entry| entry.status.is_conflicted());
3791        had_conflict_on_last_merge_head_change || has_conflict_currently
3792    }
3793
3794    /// This is the name that will be displayed in the repository selector for this repository.
3795    pub fn display_name(&self) -> SharedString {
3796        self.work_directory_abs_path
3797            .file_name()
3798            .unwrap_or_default()
3799            .to_string_lossy()
3800            .to_string()
3801            .into()
3802    }
3803}
3804
3805pub fn stash_to_proto(entry: &StashEntry) -> proto::StashEntry {
3806    proto::StashEntry {
3807        oid: entry.oid.as_bytes().to_vec(),
3808        message: entry.message.clone(),
3809        branch: entry.branch.clone(),
3810        index: entry.index as u64,
3811        timestamp: entry.timestamp,
3812    }
3813}
3814
3815pub fn proto_to_stash(entry: &proto::StashEntry) -> Result<StashEntry> {
3816    Ok(StashEntry {
3817        oid: Oid::from_bytes(&entry.oid)?,
3818        message: entry.message.clone(),
3819        index: entry.index as usize,
3820        branch: entry.branch.clone(),
3821        timestamp: entry.timestamp,
3822    })
3823}
3824
3825impl MergeDetails {
3826    async fn update(
3827        &mut self,
3828        backend: &Arc<dyn GitRepository>,
3829        current_conflicted_paths: Vec<RepoPath>,
3830    ) -> Result<bool> {
3831        log::debug!("load merge details");
3832        self.message = backend.merge_message().await.map(SharedString::from);
3833        let heads = backend
3834            .revparse_batch(vec![
3835                "MERGE_HEAD".into(),
3836                "CHERRY_PICK_HEAD".into(),
3837                "REBASE_HEAD".into(),
3838                "REVERT_HEAD".into(),
3839                "APPLY_HEAD".into(),
3840            ])
3841            .await
3842            .log_err()
3843            .unwrap_or_default()
3844            .into_iter()
3845            .map(|opt| opt.map(SharedString::from))
3846            .collect::<Vec<_>>();
3847
3848        let mut conflicts_changed = false;
3849
3850        // Record the merge state for newly conflicted paths
3851        for path in &current_conflicted_paths {
3852            if self.merge_heads_by_conflicted_path.get(&path).is_none() {
3853                conflicts_changed = true;
3854                self.merge_heads_by_conflicted_path
3855                    .insert(path.clone(), heads.clone());
3856            }
3857        }
3858
3859        // Clear state for paths that are no longer conflicted and for which the merge heads have changed
3860        self.merge_heads_by_conflicted_path
3861            .retain(|path, old_merge_heads| {
3862                let keep = current_conflicted_paths.contains(path)
3863                    || (old_merge_heads == &heads
3864                        && old_merge_heads.iter().any(|head| head.is_some()));
3865                if !keep {
3866                    conflicts_changed = true;
3867                }
3868                keep
3869            });
3870
3871        Ok(conflicts_changed)
3872    }
3873}
3874
3875impl Repository {
3876    pub fn is_trusted(&self) -> bool {
3877        match self.repository_state.peek() {
3878            Some(Ok(RepositoryState::Local(state))) => state.backend.is_trusted(),
3879            _ => false,
3880        }
3881    }
3882
3883    pub fn snapshot(&self) -> RepositorySnapshot {
3884        self.snapshot.clone()
3885    }
3886
3887    pub fn pending_ops(&self) -> impl Iterator<Item = PendingOps> + '_ {
3888        self.pending_ops.iter().cloned()
3889    }
3890
3891    pub fn pending_ops_summary(&self) -> PathSummary<PendingOpsSummary> {
3892        self.pending_ops.summary().clone()
3893    }
3894
3895    pub fn pending_ops_for_path(&self, path: &RepoPath) -> Option<PendingOps> {
3896        self.pending_ops
3897            .get(&PathKey(path.as_ref().clone()), ())
3898            .cloned()
3899    }
3900
3901    fn local(
3902        id: RepositoryId,
3903        work_directory_abs_path: Arc<Path>,
3904        original_repo_abs_path: Arc<Path>,
3905        dot_git_abs_path: Arc<Path>,
3906        project_environment: WeakEntity<ProjectEnvironment>,
3907        fs: Arc<dyn Fs>,
3908        is_trusted: bool,
3909        git_store: WeakEntity<GitStore>,
3910        cx: &mut Context<Self>,
3911    ) -> Self {
3912        let snapshot = RepositorySnapshot::empty(
3913            id,
3914            work_directory_abs_path.clone(),
3915            Some(original_repo_abs_path),
3916            PathStyle::local(),
3917        );
3918        let state = cx
3919            .spawn(async move |_, cx| {
3920                LocalRepositoryState::new(
3921                    work_directory_abs_path,
3922                    dot_git_abs_path,
3923                    project_environment,
3924                    fs,
3925                    is_trusted,
3926                    cx,
3927                )
3928                .await
3929                .map_err(|err| err.to_string())
3930            })
3931            .shared();
3932        let job_sender = Repository::spawn_local_git_worker(state.clone(), cx);
3933        let state = cx
3934            .spawn(async move |_, _| {
3935                let state = state.await?;
3936                Ok(RepositoryState::Local(state))
3937            })
3938            .shared();
3939
3940        cx.subscribe_self(move |this, event: &RepositoryEvent, _| match event {
3941            RepositoryEvent::BranchChanged => {
3942                if this.scan_id > 1 {
3943                    this.initial_graph_data.clear();
3944                }
3945            }
3946            _ => {}
3947        })
3948        .detach();
3949
3950        Repository {
3951            this: cx.weak_entity(),
3952            git_store,
3953            snapshot,
3954            pending_ops: Default::default(),
3955            repository_state: state,
3956            commit_message_buffer: None,
3957            askpass_delegates: Default::default(),
3958            paths_needing_status_update: Default::default(),
3959            latest_askpass_id: 0,
3960            job_sender,
3961            job_id: 0,
3962            active_jobs: Default::default(),
3963            initial_graph_data: Default::default(),
3964            commit_data: Default::default(),
3965            graph_commit_data_handler: GraphCommitHandlerState::Closed,
3966        }
3967    }
3968
3969    fn remote(
3970        id: RepositoryId,
3971        work_directory_abs_path: Arc<Path>,
3972        original_repo_abs_path: Option<Arc<Path>>,
3973        path_style: PathStyle,
3974        project_id: ProjectId,
3975        client: AnyProtoClient,
3976        git_store: WeakEntity<GitStore>,
3977        cx: &mut Context<Self>,
3978    ) -> Self {
3979        let snapshot = RepositorySnapshot::empty(
3980            id,
3981            work_directory_abs_path,
3982            original_repo_abs_path,
3983            path_style,
3984        );
3985        let repository_state = RemoteRepositoryState { project_id, client };
3986        let job_sender = Self::spawn_remote_git_worker(repository_state.clone(), cx);
3987        let repository_state = Task::ready(Ok(RepositoryState::Remote(repository_state))).shared();
3988        Self {
3989            this: cx.weak_entity(),
3990            snapshot,
3991            commit_message_buffer: None,
3992            git_store,
3993            pending_ops: Default::default(),
3994            paths_needing_status_update: Default::default(),
3995            job_sender,
3996            repository_state,
3997            askpass_delegates: Default::default(),
3998            latest_askpass_id: 0,
3999            active_jobs: Default::default(),
4000            job_id: 0,
4001            initial_graph_data: Default::default(),
4002            commit_data: Default::default(),
4003            graph_commit_data_handler: GraphCommitHandlerState::Closed,
4004        }
4005    }
4006
4007    pub fn git_store(&self) -> Option<Entity<GitStore>> {
4008        self.git_store.upgrade()
4009    }
4010
4011    fn reload_buffer_diff_bases(&mut self, cx: &mut Context<Self>) {
4012        let this = cx.weak_entity();
4013        let git_store = self.git_store.clone();
4014        let _ = self.send_keyed_job(
4015            Some(GitJobKey::ReloadBufferDiffBases),
4016            None,
4017            |state, mut cx| async move {
4018                let RepositoryState::Local(LocalRepositoryState { backend, .. }) = state else {
4019                    log::error!("tried to recompute diffs for a non-local repository");
4020                    return Ok(());
4021                };
4022
4023                let Some(this) = this.upgrade() else {
4024                    return Ok(());
4025                };
4026
4027                let repo_diff_state_updates = this.update(&mut cx, |this, cx| {
4028                    git_store.update(cx, |git_store, cx| {
4029                        git_store
4030                            .diffs
4031                            .iter()
4032                            .filter_map(|(buffer_id, diff_state)| {
4033                                let buffer_store = git_store.buffer_store.read(cx);
4034                                let buffer = buffer_store.get(*buffer_id)?;
4035                                let file = File::from_dyn(buffer.read(cx).file())?;
4036                                let abs_path = file.worktree.read(cx).absolutize(&file.path);
4037                                let repo_path = this.abs_path_to_repo_path(&abs_path)?;
4038                                log::debug!(
4039                                    "start reload diff bases for repo path {}",
4040                                    repo_path.as_unix_str()
4041                                );
4042                                diff_state.update(cx, |diff_state, _| {
4043                                    let has_unstaged_diff = diff_state
4044                                        .unstaged_diff
4045                                        .as_ref()
4046                                        .is_some_and(|diff| diff.is_upgradable());
4047                                    let has_uncommitted_diff = diff_state
4048                                        .uncommitted_diff
4049                                        .as_ref()
4050                                        .is_some_and(|set| set.is_upgradable());
4051
4052                                    Some((
4053                                        buffer,
4054                                        repo_path,
4055                                        has_unstaged_diff.then(|| diff_state.index_text.clone()),
4056                                        has_uncommitted_diff.then(|| diff_state.head_text.clone()),
4057                                    ))
4058                                })
4059                            })
4060                            .collect::<Vec<_>>()
4061                    })
4062                })?;
4063
4064                let buffer_diff_base_changes = cx
4065                    .background_spawn(async move {
4066                        let mut changes = Vec::new();
4067                        for (buffer, repo_path, current_index_text, current_head_text) in
4068                            &repo_diff_state_updates
4069                        {
4070                            let index_text = if current_index_text.is_some() {
4071                                backend.load_index_text(repo_path.clone()).await
4072                            } else {
4073                                None
4074                            };
4075                            let head_text = if current_head_text.is_some() {
4076                                backend.load_committed_text(repo_path.clone()).await
4077                            } else {
4078                                None
4079                            };
4080
4081                            let change =
4082                                match (current_index_text.as_ref(), current_head_text.as_ref()) {
4083                                    (Some(current_index), Some(current_head)) => {
4084                                        let index_changed =
4085                                            index_text.as_deref() != current_index.as_deref();
4086                                        let head_changed =
4087                                            head_text.as_deref() != current_head.as_deref();
4088                                        if index_changed && head_changed {
4089                                            if index_text == head_text {
4090                                                Some(DiffBasesChange::SetBoth(head_text))
4091                                            } else {
4092                                                Some(DiffBasesChange::SetEach {
4093                                                    index: index_text,
4094                                                    head: head_text,
4095                                                })
4096                                            }
4097                                        } else if index_changed {
4098                                            Some(DiffBasesChange::SetIndex(index_text))
4099                                        } else if head_changed {
4100                                            Some(DiffBasesChange::SetHead(head_text))
4101                                        } else {
4102                                            None
4103                                        }
4104                                    }
4105                                    (Some(current_index), None) => {
4106                                        let index_changed =
4107                                            index_text.as_deref() != current_index.as_deref();
4108                                        index_changed
4109                                            .then_some(DiffBasesChange::SetIndex(index_text))
4110                                    }
4111                                    (None, Some(current_head)) => {
4112                                        let head_changed =
4113                                            head_text.as_deref() != current_head.as_deref();
4114                                        head_changed.then_some(DiffBasesChange::SetHead(head_text))
4115                                    }
4116                                    (None, None) => None,
4117                                };
4118
4119                            changes.push((buffer.clone(), change))
4120                        }
4121                        changes
4122                    })
4123                    .await;
4124
4125                git_store.update(&mut cx, |git_store, cx| {
4126                    for (buffer, diff_bases_change) in buffer_diff_base_changes {
4127                        let buffer_snapshot = buffer.read(cx).text_snapshot();
4128                        let buffer_id = buffer_snapshot.remote_id();
4129                        let Some(diff_state) = git_store.diffs.get(&buffer_id) else {
4130                            continue;
4131                        };
4132
4133                        let downstream_client = git_store.downstream_client();
4134                        diff_state.update(cx, |diff_state, cx| {
4135                            use proto::update_diff_bases::Mode;
4136
4137                            if let Some((diff_bases_change, (client, project_id))) =
4138                                diff_bases_change.clone().zip(downstream_client)
4139                            {
4140                                let (staged_text, committed_text, mode) = match diff_bases_change {
4141                                    DiffBasesChange::SetIndex(index) => {
4142                                        (index, None, Mode::IndexOnly)
4143                                    }
4144                                    DiffBasesChange::SetHead(head) => (None, head, Mode::HeadOnly),
4145                                    DiffBasesChange::SetEach { index, head } => {
4146                                        (index, head, Mode::IndexAndHead)
4147                                    }
4148                                    DiffBasesChange::SetBoth(text) => {
4149                                        (None, text, Mode::IndexMatchesHead)
4150                                    }
4151                                };
4152                                client
4153                                    .send(proto::UpdateDiffBases {
4154                                        project_id: project_id.to_proto(),
4155                                        buffer_id: buffer_id.to_proto(),
4156                                        staged_text,
4157                                        committed_text,
4158                                        mode: mode as i32,
4159                                    })
4160                                    .log_err();
4161                            }
4162
4163                            diff_state.diff_bases_changed(buffer_snapshot, diff_bases_change, cx);
4164                        });
4165                    }
4166                })
4167            },
4168        );
4169    }
4170
4171    pub fn send_job<F, Fut, R>(
4172        &mut self,
4173        status: Option<SharedString>,
4174        job: F,
4175    ) -> oneshot::Receiver<R>
4176    where
4177        F: FnOnce(RepositoryState, AsyncApp) -> Fut + 'static,
4178        Fut: Future<Output = R> + 'static,
4179        R: Send + 'static,
4180    {
4181        self.send_keyed_job(None, status, job)
4182    }
4183
4184    fn send_keyed_job<F, Fut, R>(
4185        &mut self,
4186        key: Option<GitJobKey>,
4187        status: Option<SharedString>,
4188        job: F,
4189    ) -> oneshot::Receiver<R>
4190    where
4191        F: FnOnce(RepositoryState, AsyncApp) -> Fut + 'static,
4192        Fut: Future<Output = R> + 'static,
4193        R: Send + 'static,
4194    {
4195        let (result_tx, result_rx) = futures::channel::oneshot::channel();
4196        let job_id = post_inc(&mut self.job_id);
4197        let this = self.this.clone();
4198        self.job_sender
4199            .unbounded_send(GitJob {
4200                key,
4201                job: Box::new(move |state, cx: &mut AsyncApp| {
4202                    let job = job(state, cx.clone());
4203                    cx.spawn(async move |cx| {
4204                        if let Some(s) = status.clone() {
4205                            this.update(cx, |this, cx| {
4206                                this.active_jobs.insert(
4207                                    job_id,
4208                                    JobInfo {
4209                                        start: Instant::now(),
4210                                        message: s.clone(),
4211                                    },
4212                                );
4213
4214                                cx.notify();
4215                            })
4216                            .ok();
4217                        }
4218                        let result = job.await;
4219
4220                        this.update(cx, |this, cx| {
4221                            this.active_jobs.remove(&job_id);
4222                            cx.notify();
4223                        })
4224                        .ok();
4225
4226                        result_tx.send(result).ok();
4227                    })
4228                }),
4229            })
4230            .ok();
4231        result_rx
4232    }
4233
4234    pub fn set_as_active_repository(&self, cx: &mut Context<Self>) {
4235        let Some(git_store) = self.git_store.upgrade() else {
4236            return;
4237        };
4238        let entity = cx.entity();
4239        git_store.update(cx, |git_store, cx| {
4240            let Some((&id, _)) = git_store
4241                .repositories
4242                .iter()
4243                .find(|(_, handle)| *handle == &entity)
4244            else {
4245                return;
4246            };
4247            git_store.active_repo_id = Some(id);
4248            cx.emit(GitStoreEvent::ActiveRepositoryChanged(Some(id)));
4249        });
4250    }
4251
4252    pub fn cached_status(&self) -> impl '_ + Iterator<Item = StatusEntry> {
4253        self.snapshot.status()
4254    }
4255
4256    pub fn diff_stat_for_path(&self, path: &RepoPath) -> Option<DiffStat> {
4257        self.snapshot.diff_stat_for_path(path)
4258    }
4259
4260    pub fn cached_stash(&self) -> GitStash {
4261        self.snapshot.stash_entries.clone()
4262    }
4263
4264    pub fn repo_path_to_project_path(&self, path: &RepoPath, cx: &App) -> Option<ProjectPath> {
4265        let git_store = self.git_store.upgrade()?;
4266        let worktree_store = git_store.read(cx).worktree_store.read(cx);
4267        let abs_path = self.snapshot.repo_path_to_abs_path(path);
4268        let abs_path = SanitizedPath::new(&abs_path);
4269        let (worktree, relative_path) = worktree_store.find_worktree(abs_path, cx)?;
4270        Some(ProjectPath {
4271            worktree_id: worktree.read(cx).id(),
4272            path: relative_path,
4273        })
4274    }
4275
4276    pub fn project_path_to_repo_path(&self, path: &ProjectPath, cx: &App) -> Option<RepoPath> {
4277        let git_store = self.git_store.upgrade()?;
4278        let worktree_store = git_store.read(cx).worktree_store.read(cx);
4279        let abs_path = worktree_store.absolutize(path, cx)?;
4280        self.snapshot.abs_path_to_repo_path(&abs_path)
4281    }
4282
4283    pub fn contains_sub_repo(&self, other: &Entity<Self>, cx: &App) -> bool {
4284        other
4285            .read(cx)
4286            .snapshot
4287            .work_directory_abs_path
4288            .starts_with(&self.snapshot.work_directory_abs_path)
4289    }
4290
4291    pub fn open_commit_buffer(
4292        &mut self,
4293        languages: Option<Arc<LanguageRegistry>>,
4294        buffer_store: Entity<BufferStore>,
4295        cx: &mut Context<Self>,
4296    ) -> Task<Result<Entity<Buffer>>> {
4297        let id = self.id;
4298        if let Some(buffer) = self.commit_message_buffer.clone() {
4299            return Task::ready(Ok(buffer));
4300        }
4301        let this = cx.weak_entity();
4302
4303        let rx = self.send_job(None, move |state, mut cx| async move {
4304            let Some(this) = this.upgrade() else {
4305                bail!("git store was dropped");
4306            };
4307            match state {
4308                RepositoryState::Local(..) => {
4309                    this.update(&mut cx, |_, cx| {
4310                        Self::open_local_commit_buffer(languages, buffer_store, cx)
4311                    })
4312                    .await
4313                }
4314                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
4315                    let request = client.request(proto::OpenCommitMessageBuffer {
4316                        project_id: project_id.0,
4317                        repository_id: id.to_proto(),
4318                    });
4319                    let response = request.await.context("requesting to open commit buffer")?;
4320                    let buffer_id = BufferId::new(response.buffer_id)?;
4321                    let buffer = buffer_store
4322                        .update(&mut cx, |buffer_store, cx| {
4323                            buffer_store.wait_for_remote_buffer(buffer_id, cx)
4324                        })
4325                        .await?;
4326                    if let Some(language_registry) = languages {
4327                        let git_commit_language =
4328                            language_registry.language_for_name("Git Commit").await?;
4329                        buffer.update(&mut cx, |buffer, cx| {
4330                            buffer.set_language(Some(git_commit_language), cx);
4331                        });
4332                    }
4333                    this.update(&mut cx, |this, _| {
4334                        this.commit_message_buffer = Some(buffer.clone());
4335                    });
4336                    Ok(buffer)
4337                }
4338            }
4339        });
4340
4341        cx.spawn(|_, _: &mut AsyncApp| async move { rx.await? })
4342    }
4343
4344    fn open_local_commit_buffer(
4345        language_registry: Option<Arc<LanguageRegistry>>,
4346        buffer_store: Entity<BufferStore>,
4347        cx: &mut Context<Self>,
4348    ) -> Task<Result<Entity<Buffer>>> {
4349        cx.spawn(async move |repository, cx| {
4350            let git_commit_language = match language_registry {
4351                Some(language_registry) => {
4352                    Some(language_registry.language_for_name("Git Commit").await?)
4353                }
4354                None => None,
4355            };
4356            let buffer = buffer_store
4357                .update(cx, |buffer_store, cx| {
4358                    buffer_store.create_buffer(git_commit_language, false, cx)
4359                })
4360                .await?;
4361
4362            repository.update(cx, |repository, _| {
4363                repository.commit_message_buffer = Some(buffer.clone());
4364            })?;
4365            Ok(buffer)
4366        })
4367    }
4368
4369    pub fn checkout_files(
4370        &mut self,
4371        commit: &str,
4372        paths: Vec<RepoPath>,
4373        cx: &mut Context<Self>,
4374    ) -> Task<Result<()>> {
4375        let commit = commit.to_string();
4376        let id = self.id;
4377
4378        self.spawn_job_with_tracking(
4379            paths.clone(),
4380            pending_op::GitStatus::Reverted,
4381            cx,
4382            async move |this, cx| {
4383                this.update(cx, |this, _cx| {
4384                    this.send_job(
4385                        Some(format!("git checkout {}", commit).into()),
4386                        move |git_repo, _| async move {
4387                            match git_repo {
4388                                RepositoryState::Local(LocalRepositoryState {
4389                                    backend,
4390                                    environment,
4391                                    ..
4392                                }) => {
4393                                    backend
4394                                        .checkout_files(commit, paths, environment.clone())
4395                                        .await
4396                                }
4397                                RepositoryState::Remote(RemoteRepositoryState {
4398                                    project_id,
4399                                    client,
4400                                }) => {
4401                                    client
4402                                        .request(proto::GitCheckoutFiles {
4403                                            project_id: project_id.0,
4404                                            repository_id: id.to_proto(),
4405                                            commit,
4406                                            paths: paths
4407                                                .into_iter()
4408                                                .map(|p| p.to_proto())
4409                                                .collect(),
4410                                        })
4411                                        .await?;
4412
4413                                    Ok(())
4414                                }
4415                            }
4416                        },
4417                    )
4418                })?
4419                .await?
4420            },
4421        )
4422    }
4423
4424    pub fn reset(
4425        &mut self,
4426        commit: String,
4427        reset_mode: ResetMode,
4428        _cx: &mut App,
4429    ) -> oneshot::Receiver<Result<()>> {
4430        let id = self.id;
4431
4432        self.send_job(None, move |git_repo, _| async move {
4433            match git_repo {
4434                RepositoryState::Local(LocalRepositoryState {
4435                    backend,
4436                    environment,
4437                    ..
4438                }) => backend.reset(commit, reset_mode, environment).await,
4439                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
4440                    client
4441                        .request(proto::GitReset {
4442                            project_id: project_id.0,
4443                            repository_id: id.to_proto(),
4444                            commit,
4445                            mode: match reset_mode {
4446                                ResetMode::Soft => git_reset::ResetMode::Soft.into(),
4447                                ResetMode::Mixed => git_reset::ResetMode::Mixed.into(),
4448                            },
4449                        })
4450                        .await?;
4451
4452                    Ok(())
4453                }
4454            }
4455        })
4456    }
4457
4458    pub fn show(&mut self, commit: String) -> oneshot::Receiver<Result<CommitDetails>> {
4459        let id = self.id;
4460        self.send_job(None, move |git_repo, _cx| async move {
4461            match git_repo {
4462                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
4463                    backend.show(commit).await
4464                }
4465                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
4466                    let resp = client
4467                        .request(proto::GitShow {
4468                            project_id: project_id.0,
4469                            repository_id: id.to_proto(),
4470                            commit,
4471                        })
4472                        .await?;
4473
4474                    Ok(CommitDetails {
4475                        sha: resp.sha.into(),
4476                        message: resp.message.into(),
4477                        commit_timestamp: resp.commit_timestamp,
4478                        author_email: resp.author_email.into(),
4479                        author_name: resp.author_name.into(),
4480                    })
4481                }
4482            }
4483        })
4484    }
4485
4486    pub fn load_commit_diff(&mut self, commit: String) -> oneshot::Receiver<Result<CommitDiff>> {
4487        let id = self.id;
4488        self.send_job(None, move |git_repo, cx| async move {
4489            match git_repo {
4490                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
4491                    backend.load_commit(commit, cx).await
4492                }
4493                RepositoryState::Remote(RemoteRepositoryState {
4494                    client, project_id, ..
4495                }) => {
4496                    let response = client
4497                        .request(proto::LoadCommitDiff {
4498                            project_id: project_id.0,
4499                            repository_id: id.to_proto(),
4500                            commit,
4501                        })
4502                        .await?;
4503                    Ok(CommitDiff {
4504                        files: response
4505                            .files
4506                            .into_iter()
4507                            .map(|file| {
4508                                Ok(CommitFile {
4509                                    path: RepoPath::from_proto(&file.path)?,
4510                                    old_text: file.old_text,
4511                                    new_text: file.new_text,
4512                                    is_binary: file.is_binary,
4513                                })
4514                            })
4515                            .collect::<Result<Vec<_>>>()?,
4516                    })
4517                }
4518            }
4519        })
4520    }
4521
4522    pub fn file_history(
4523        &mut self,
4524        path: RepoPath,
4525    ) -> oneshot::Receiver<Result<git::repository::FileHistory>> {
4526        self.file_history_paginated(path, 0, None)
4527    }
4528
4529    pub fn file_history_paginated(
4530        &mut self,
4531        path: RepoPath,
4532        skip: usize,
4533        limit: Option<usize>,
4534    ) -> oneshot::Receiver<Result<git::repository::FileHistory>> {
4535        let id = self.id;
4536        self.send_job(None, move |git_repo, _cx| async move {
4537            match git_repo {
4538                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
4539                    backend.file_history_paginated(path, skip, limit).await
4540                }
4541                RepositoryState::Remote(RemoteRepositoryState { client, project_id }) => {
4542                    let response = client
4543                        .request(proto::GitFileHistory {
4544                            project_id: project_id.0,
4545                            repository_id: id.to_proto(),
4546                            path: path.to_proto(),
4547                            skip: skip as u64,
4548                            limit: limit.map(|l| l as u64),
4549                        })
4550                        .await?;
4551                    Ok(git::repository::FileHistory {
4552                        entries: response
4553                            .entries
4554                            .into_iter()
4555                            .map(|entry| git::repository::FileHistoryEntry {
4556                                sha: entry.sha.into(),
4557                                subject: entry.subject.into(),
4558                                message: entry.message.into(),
4559                                commit_timestamp: entry.commit_timestamp,
4560                                author_name: entry.author_name.into(),
4561                                author_email: entry.author_email.into(),
4562                            })
4563                            .collect(),
4564                        path: RepoPath::from_proto(&response.path)?,
4565                    })
4566                }
4567            }
4568        })
4569    }
4570
4571    pub fn get_graph_data(
4572        &self,
4573        log_source: LogSource,
4574        log_order: LogOrder,
4575    ) -> Option<&InitialGitGraphData> {
4576        self.initial_graph_data.get(&(log_source, log_order))
4577    }
4578
4579    pub fn search_commits(
4580        &mut self,
4581        log_source: LogSource,
4582        search_args: SearchCommitArgs,
4583        request_tx: smol::channel::Sender<Oid>,
4584        cx: &mut Context<Self>,
4585    ) {
4586        let repository_state = self.repository_state.clone();
4587
4588        cx.background_spawn(async move {
4589            let repo_state = repository_state.await;
4590
4591            match repo_state {
4592                Ok(RepositoryState::Local(LocalRepositoryState { backend, .. })) => {
4593                    backend
4594                        .search_commits(log_source, search_args, request_tx)
4595                        .await
4596                        .log_err();
4597                }
4598                Ok(RepositoryState::Remote(_)) => {}
4599                Err(_) => {}
4600            };
4601        })
4602        .detach();
4603    }
4604
4605    pub fn graph_data(
4606        &mut self,
4607        log_source: LogSource,
4608        log_order: LogOrder,
4609        range: Range<usize>,
4610        cx: &mut Context<Self>,
4611    ) -> GraphDataResponse<'_> {
4612        let initial_commit_data = self
4613            .initial_graph_data
4614            .entry((log_source.clone(), log_order))
4615            .or_insert_with(|| {
4616                let state = self.repository_state.clone();
4617                let log_source = log_source.clone();
4618
4619                let fetch_task = cx.spawn(async move |repository, cx| {
4620                    let state = state.await;
4621                    let result = match state {
4622                        Ok(RepositoryState::Local(LocalRepositoryState { backend, .. })) => {
4623                            Self::local_git_graph_data(
4624                                repository.clone(),
4625                                backend,
4626                                log_source.clone(),
4627                                log_order,
4628                                cx,
4629                            )
4630                            .await
4631                        }
4632                        Ok(RepositoryState::Remote(_)) => {
4633                            Err("Git graph is not supported for collab yet".into())
4634                        }
4635                        Err(e) => Err(SharedString::from(e)),
4636                    };
4637
4638                    if let Err(fetch_task_error) = result {
4639                        repository
4640                            .update(cx, |repository, _| {
4641                                if let Some(data) = repository
4642                                    .initial_graph_data
4643                                    .get_mut(&(log_source, log_order))
4644                                {
4645                                    data.error = Some(fetch_task_error);
4646                                } else {
4647                                    debug_panic!(
4648                                        "This task would be dropped if this entry doesn't exist"
4649                                    );
4650                                }
4651                            })
4652                            .ok();
4653                    }
4654                });
4655
4656                InitialGitGraphData {
4657                    fetch_task,
4658                    error: None,
4659                    commit_data: Vec::new(),
4660                    commit_oid_to_index: HashMap::default(),
4661                }
4662            });
4663
4664        let max_start = initial_commit_data.commit_data.len().saturating_sub(1);
4665        let max_end = initial_commit_data.commit_data.len();
4666
4667        GraphDataResponse {
4668            commits: &initial_commit_data.commit_data
4669                [range.start.min(max_start)..range.end.min(max_end)],
4670            is_loading: !initial_commit_data.fetch_task.is_ready(),
4671            error: initial_commit_data.error.clone(),
4672        }
4673    }
4674
4675    async fn local_git_graph_data(
4676        this: WeakEntity<Self>,
4677        backend: Arc<dyn GitRepository>,
4678        log_source: LogSource,
4679        log_order: LogOrder,
4680        cx: &mut AsyncApp,
4681    ) -> Result<(), SharedString> {
4682        let (request_tx, request_rx) =
4683            smol::channel::unbounded::<Vec<Arc<InitialGraphCommitData>>>();
4684
4685        let task = cx.background_executor().spawn({
4686            let log_source = log_source.clone();
4687            async move {
4688                backend
4689                    .initial_graph_data(log_source, log_order, request_tx)
4690                    .await
4691                    .map_err(|err| SharedString::from(err.to_string()))
4692            }
4693        });
4694
4695        let graph_data_key = (log_source, log_order);
4696
4697        while let Ok(initial_graph_commit_data) = request_rx.recv().await {
4698            this.update(cx, |repository, cx| {
4699                let graph_data = repository
4700                    .initial_graph_data
4701                    .entry(graph_data_key.clone())
4702                    .and_modify(|graph_data| {
4703                        for commit_data in initial_graph_commit_data {
4704                            graph_data
4705                                .commit_oid_to_index
4706                                .insert(commit_data.sha, graph_data.commit_data.len());
4707                            graph_data.commit_data.push(commit_data);
4708                        }
4709                        cx.emit(RepositoryEvent::GraphEvent(
4710                            graph_data_key.clone(),
4711                            GitGraphEvent::CountUpdated(graph_data.commit_data.len()),
4712                        ));
4713                    });
4714
4715                match &graph_data {
4716                    Entry::Occupied(_) => {}
4717                    Entry::Vacant(_) => {
4718                        debug_panic!("This task should be dropped if data doesn't exist");
4719                    }
4720                }
4721            })
4722            .ok();
4723        }
4724
4725        task.await?;
4726        Ok(())
4727    }
4728
4729    pub fn fetch_commit_data(&mut self, sha: Oid, cx: &mut Context<Self>) -> &CommitDataState {
4730        if !self.commit_data.contains_key(&sha) {
4731            match &self.graph_commit_data_handler {
4732                GraphCommitHandlerState::Open(handler) => {
4733                    if handler.commit_data_request.try_send(sha).is_ok() {
4734                        let old_value = self.commit_data.insert(sha, CommitDataState::Loading);
4735                        debug_assert!(old_value.is_none(), "We should never overwrite commit data");
4736                    }
4737                }
4738                GraphCommitHandlerState::Closed => {
4739                    self.open_graph_commit_data_handler(cx);
4740                }
4741                GraphCommitHandlerState::Starting => {}
4742            }
4743        }
4744
4745        self.commit_data
4746            .get(&sha)
4747            .unwrap_or(&CommitDataState::Loading)
4748    }
4749
4750    fn open_graph_commit_data_handler(&mut self, cx: &mut Context<Self>) {
4751        self.graph_commit_data_handler = GraphCommitHandlerState::Starting;
4752
4753        let state = self.repository_state.clone();
4754        let (result_tx, result_rx) = smol::channel::bounded::<(Oid, GraphCommitData)>(64);
4755        let (request_tx, request_rx) = smol::channel::unbounded::<Oid>();
4756
4757        let foreground_task = cx.spawn(async move |this, cx| {
4758            while let Ok((sha, commit_data)) = result_rx.recv().await {
4759                let result = this.update(cx, |this, cx| {
4760                    let old_value = this
4761                        .commit_data
4762                        .insert(sha, CommitDataState::Loaded(Arc::new(commit_data)));
4763                    debug_assert!(
4764                        !matches!(old_value, Some(CommitDataState::Loaded(_))),
4765                        "We should never overwrite commit data"
4766                    );
4767
4768                    cx.notify();
4769                });
4770                if result.is_err() {
4771                    break;
4772                }
4773            }
4774
4775            this.update(cx, |this, _cx| {
4776                this.graph_commit_data_handler = GraphCommitHandlerState::Closed;
4777            })
4778            .ok();
4779        });
4780
4781        let request_tx_for_handler = request_tx;
4782        let background_executor = cx.background_executor().clone();
4783
4784        cx.background_spawn(async move {
4785            let backend = match state.await {
4786                Ok(RepositoryState::Local(LocalRepositoryState { backend, .. })) => backend,
4787                Ok(RepositoryState::Remote(_)) => {
4788                    log::error!("commit_data_reader not supported for remote repositories");
4789                    return;
4790                }
4791                Err(error) => {
4792                    log::error!("failed to get repository state: {error}");
4793                    return;
4794                }
4795            };
4796
4797            let reader = match backend.commit_data_reader() {
4798                Ok(reader) => reader,
4799                Err(error) => {
4800                    log::error!("failed to create commit data reader: {error:?}");
4801                    return;
4802                }
4803            };
4804
4805            loop {
4806                let timeout = background_executor.timer(std::time::Duration::from_secs(10));
4807
4808                futures::select_biased! {
4809                    sha = futures::FutureExt::fuse(request_rx.recv()) => {
4810                        let Ok(sha) = sha else {
4811                            break;
4812                        };
4813
4814                        match reader.read(sha).await {
4815                            Ok(commit_data) => {
4816                                if result_tx.send((sha, commit_data)).await.is_err() {
4817                                    break;
4818                                }
4819                            }
4820                            Err(error) => {
4821                                log::error!("failed to read commit data for {sha}: {error:?}");
4822                            }
4823                        }
4824                    }
4825                    _ = futures::FutureExt::fuse(timeout) => {
4826                        break;
4827                    }
4828                }
4829            }
4830
4831            drop(result_tx);
4832        })
4833        .detach();
4834
4835        self.graph_commit_data_handler = GraphCommitHandlerState::Open(GraphCommitDataHandler {
4836            _task: foreground_task,
4837            commit_data_request: request_tx_for_handler,
4838        });
4839    }
4840
4841    fn buffer_store(&self, cx: &App) -> Option<Entity<BufferStore>> {
4842        Some(self.git_store.upgrade()?.read(cx).buffer_store.clone())
4843    }
4844
4845    fn save_buffers<'a>(
4846        &self,
4847        entries: impl IntoIterator<Item = &'a RepoPath>,
4848        cx: &mut Context<Self>,
4849    ) -> Vec<Task<anyhow::Result<()>>> {
4850        let mut save_futures = Vec::new();
4851        if let Some(buffer_store) = self.buffer_store(cx) {
4852            buffer_store.update(cx, |buffer_store, cx| {
4853                for path in entries {
4854                    let Some(project_path) = self.repo_path_to_project_path(path, cx) else {
4855                        continue;
4856                    };
4857                    if let Some(buffer) = buffer_store.get_by_path(&project_path)
4858                        && buffer
4859                            .read(cx)
4860                            .file()
4861                            .is_some_and(|file| file.disk_state().exists())
4862                        && buffer.read(cx).has_unsaved_edits()
4863                    {
4864                        save_futures.push(buffer_store.save_buffer(buffer, cx));
4865                    }
4866                }
4867            })
4868        }
4869        save_futures
4870    }
4871
4872    pub fn stage_entries(
4873        &mut self,
4874        entries: Vec<RepoPath>,
4875        cx: &mut Context<Self>,
4876    ) -> Task<anyhow::Result<()>> {
4877        self.stage_or_unstage_entries(true, entries, cx)
4878    }
4879
4880    pub fn unstage_entries(
4881        &mut self,
4882        entries: Vec<RepoPath>,
4883        cx: &mut Context<Self>,
4884    ) -> Task<anyhow::Result<()>> {
4885        self.stage_or_unstage_entries(false, entries, cx)
4886    }
4887
4888    fn stage_or_unstage_entries(
4889        &mut self,
4890        stage: bool,
4891        entries: Vec<RepoPath>,
4892        cx: &mut Context<Self>,
4893    ) -> Task<anyhow::Result<()>> {
4894        if entries.is_empty() {
4895            return Task::ready(Ok(()));
4896        }
4897        let Some(git_store) = self.git_store.upgrade() else {
4898            return Task::ready(Ok(()));
4899        };
4900        let id = self.id;
4901        let save_tasks = self.save_buffers(&entries, cx);
4902        let paths = entries
4903            .iter()
4904            .map(|p| p.as_unix_str())
4905            .collect::<Vec<_>>()
4906            .join(" ");
4907        let status = if stage {
4908            format!("git add {paths}")
4909        } else {
4910            format!("git reset {paths}")
4911        };
4912        let job_key = GitJobKey::WriteIndex(entries.clone());
4913
4914        self.spawn_job_with_tracking(
4915            entries.clone(),
4916            if stage {
4917                pending_op::GitStatus::Staged
4918            } else {
4919                pending_op::GitStatus::Unstaged
4920            },
4921            cx,
4922            async move |this, cx| {
4923                for save_task in save_tasks {
4924                    save_task.await?;
4925                }
4926
4927                this.update(cx, |this, cx| {
4928                    let weak_this = cx.weak_entity();
4929                    this.send_keyed_job(
4930                        Some(job_key),
4931                        Some(status.into()),
4932                        move |git_repo, mut cx| async move {
4933                            let hunk_staging_operation_counts = weak_this
4934                                .update(&mut cx, |this, cx| {
4935                                    let mut hunk_staging_operation_counts = HashMap::default();
4936                                    for path in &entries {
4937                                        let Some(project_path) =
4938                                            this.repo_path_to_project_path(path, cx)
4939                                        else {
4940                                            continue;
4941                                        };
4942                                        let Some(buffer) = git_store
4943                                            .read(cx)
4944                                            .buffer_store
4945                                            .read(cx)
4946                                            .get_by_path(&project_path)
4947                                        else {
4948                                            continue;
4949                                        };
4950                                        let Some(diff_state) = git_store
4951                                            .read(cx)
4952                                            .diffs
4953                                            .get(&buffer.read(cx).remote_id())
4954                                            .cloned()
4955                                        else {
4956                                            continue;
4957                                        };
4958                                        let Some(uncommitted_diff) =
4959                                            diff_state.read(cx).uncommitted_diff.as_ref().and_then(
4960                                                |uncommitted_diff| uncommitted_diff.upgrade(),
4961                                            )
4962                                        else {
4963                                            continue;
4964                                        };
4965                                        let buffer_snapshot = buffer.read(cx).text_snapshot();
4966                                        let file_exists = buffer
4967                                            .read(cx)
4968                                            .file()
4969                                            .is_some_and(|file| file.disk_state().exists());
4970                                        let hunk_staging_operation_count =
4971                                            diff_state.update(cx, |diff_state, cx| {
4972                                                uncommitted_diff.update(
4973                                                    cx,
4974                                                    |uncommitted_diff, cx| {
4975                                                        uncommitted_diff
4976                                                            .stage_or_unstage_all_hunks(
4977                                                                stage,
4978                                                                &buffer_snapshot,
4979                                                                file_exists,
4980                                                                cx,
4981                                                            );
4982                                                    },
4983                                                );
4984
4985                                                diff_state.hunk_staging_operation_count += 1;
4986                                                diff_state.hunk_staging_operation_count
4987                                            });
4988                                        hunk_staging_operation_counts.insert(
4989                                            diff_state.downgrade(),
4990                                            hunk_staging_operation_count,
4991                                        );
4992                                    }
4993                                    hunk_staging_operation_counts
4994                                })
4995                                .unwrap_or_default();
4996
4997                            let result = match git_repo {
4998                                RepositoryState::Local(LocalRepositoryState {
4999                                    backend,
5000                                    environment,
5001                                    ..
5002                                }) => {
5003                                    if stage {
5004                                        backend.stage_paths(entries, environment.clone()).await
5005                                    } else {
5006                                        backend.unstage_paths(entries, environment.clone()).await
5007                                    }
5008                                }
5009                                RepositoryState::Remote(RemoteRepositoryState {
5010                                    project_id,
5011                                    client,
5012                                }) => {
5013                                    if stage {
5014                                        client
5015                                            .request(proto::Stage {
5016                                                project_id: project_id.0,
5017                                                repository_id: id.to_proto(),
5018                                                paths: entries
5019                                                    .into_iter()
5020                                                    .map(|repo_path| repo_path.to_proto())
5021                                                    .collect(),
5022                                            })
5023                                            .await
5024                                            .context("sending stage request")
5025                                            .map(|_| ())
5026                                    } else {
5027                                        client
5028                                            .request(proto::Unstage {
5029                                                project_id: project_id.0,
5030                                                repository_id: id.to_proto(),
5031                                                paths: entries
5032                                                    .into_iter()
5033                                                    .map(|repo_path| repo_path.to_proto())
5034                                                    .collect(),
5035                                            })
5036                                            .await
5037                                            .context("sending unstage request")
5038                                            .map(|_| ())
5039                                    }
5040                                }
5041                            };
5042
5043                            for (diff_state, hunk_staging_operation_count) in
5044                                hunk_staging_operation_counts
5045                            {
5046                                diff_state
5047                                    .update(&mut cx, |diff_state, cx| {
5048                                        if result.is_ok() {
5049                                            diff_state.hunk_staging_operation_count_as_of_write =
5050                                                hunk_staging_operation_count;
5051                                        } else if let Some(uncommitted_diff) =
5052                                            &diff_state.uncommitted_diff
5053                                        {
5054                                            uncommitted_diff
5055                                                .update(cx, |uncommitted_diff, cx| {
5056                                                    uncommitted_diff.clear_pending_hunks(cx);
5057                                                })
5058                                                .ok();
5059                                        }
5060                                    })
5061                                    .ok();
5062                            }
5063
5064                            result
5065                        },
5066                    )
5067                })?
5068                .await?
5069            },
5070        )
5071    }
5072
5073    pub fn stage_all(&mut self, cx: &mut Context<Self>) -> Task<anyhow::Result<()>> {
5074        let snapshot = self.snapshot.clone();
5075        let pending_ops = self.pending_ops.clone();
5076        let to_stage = cx.background_spawn(async move {
5077            snapshot
5078                .status()
5079                .filter_map(|entry| {
5080                    if let Some(ops) =
5081                        pending_ops.get(&PathKey(entry.repo_path.as_ref().clone()), ())
5082                    {
5083                        if ops.staging() || ops.staged() {
5084                            None
5085                        } else {
5086                            Some(entry.repo_path)
5087                        }
5088                    } else if entry.status.staging().is_fully_staged() {
5089                        None
5090                    } else {
5091                        Some(entry.repo_path)
5092                    }
5093                })
5094                .collect()
5095        });
5096
5097        cx.spawn(async move |this, cx| {
5098            let to_stage = to_stage.await;
5099            this.update(cx, |this, cx| {
5100                this.stage_or_unstage_entries(true, to_stage, cx)
5101            })?
5102            .await
5103        })
5104    }
5105
5106    pub fn unstage_all(&mut self, cx: &mut Context<Self>) -> Task<anyhow::Result<()>> {
5107        let snapshot = self.snapshot.clone();
5108        let pending_ops = self.pending_ops.clone();
5109        let to_unstage = cx.background_spawn(async move {
5110            snapshot
5111                .status()
5112                .filter_map(|entry| {
5113                    if let Some(ops) =
5114                        pending_ops.get(&PathKey(entry.repo_path.as_ref().clone()), ())
5115                    {
5116                        if !ops.staging() && !ops.staged() {
5117                            None
5118                        } else {
5119                            Some(entry.repo_path)
5120                        }
5121                    } else if entry.status.staging().is_fully_unstaged() {
5122                        None
5123                    } else {
5124                        Some(entry.repo_path)
5125                    }
5126                })
5127                .collect()
5128        });
5129
5130        cx.spawn(async move |this, cx| {
5131            let to_unstage = to_unstage.await;
5132            this.update(cx, |this, cx| {
5133                this.stage_or_unstage_entries(false, to_unstage, cx)
5134            })?
5135            .await
5136        })
5137    }
5138
5139    pub fn stash_all(&mut self, cx: &mut Context<Self>) -> Task<anyhow::Result<()>> {
5140        let to_stash = self.cached_status().map(|entry| entry.repo_path).collect();
5141
5142        self.stash_entries(to_stash, cx)
5143    }
5144
5145    pub fn stash_entries(
5146        &mut self,
5147        entries: Vec<RepoPath>,
5148        cx: &mut Context<Self>,
5149    ) -> Task<anyhow::Result<()>> {
5150        let id = self.id;
5151
5152        cx.spawn(async move |this, cx| {
5153            this.update(cx, |this, _| {
5154                this.send_job(None, move |git_repo, _cx| async move {
5155                    match git_repo {
5156                        RepositoryState::Local(LocalRepositoryState {
5157                            backend,
5158                            environment,
5159                            ..
5160                        }) => backend.stash_paths(entries, environment).await,
5161                        RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5162                            client
5163                                .request(proto::Stash {
5164                                    project_id: project_id.0,
5165                                    repository_id: id.to_proto(),
5166                                    paths: entries
5167                                        .into_iter()
5168                                        .map(|repo_path| repo_path.to_proto())
5169                                        .collect(),
5170                                })
5171                                .await?;
5172                            Ok(())
5173                        }
5174                    }
5175                })
5176            })?
5177            .await??;
5178            Ok(())
5179        })
5180    }
5181
5182    pub fn stash_pop(
5183        &mut self,
5184        index: Option<usize>,
5185        cx: &mut Context<Self>,
5186    ) -> Task<anyhow::Result<()>> {
5187        let id = self.id;
5188        cx.spawn(async move |this, cx| {
5189            this.update(cx, |this, _| {
5190                this.send_job(None, move |git_repo, _cx| async move {
5191                    match git_repo {
5192                        RepositoryState::Local(LocalRepositoryState {
5193                            backend,
5194                            environment,
5195                            ..
5196                        }) => backend.stash_pop(index, environment).await,
5197                        RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5198                            client
5199                                .request(proto::StashPop {
5200                                    project_id: project_id.0,
5201                                    repository_id: id.to_proto(),
5202                                    stash_index: index.map(|i| i as u64),
5203                                })
5204                                .await
5205                                .context("sending stash pop request")?;
5206                            Ok(())
5207                        }
5208                    }
5209                })
5210            })?
5211            .await??;
5212            Ok(())
5213        })
5214    }
5215
5216    pub fn stash_apply(
5217        &mut self,
5218        index: Option<usize>,
5219        cx: &mut Context<Self>,
5220    ) -> Task<anyhow::Result<()>> {
5221        let id = self.id;
5222        cx.spawn(async move |this, cx| {
5223            this.update(cx, |this, _| {
5224                this.send_job(None, move |git_repo, _cx| async move {
5225                    match git_repo {
5226                        RepositoryState::Local(LocalRepositoryState {
5227                            backend,
5228                            environment,
5229                            ..
5230                        }) => backend.stash_apply(index, environment).await,
5231                        RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5232                            client
5233                                .request(proto::StashApply {
5234                                    project_id: project_id.0,
5235                                    repository_id: id.to_proto(),
5236                                    stash_index: index.map(|i| i as u64),
5237                                })
5238                                .await
5239                                .context("sending stash apply request")?;
5240                            Ok(())
5241                        }
5242                    }
5243                })
5244            })?
5245            .await??;
5246            Ok(())
5247        })
5248    }
5249
5250    pub fn stash_drop(
5251        &mut self,
5252        index: Option<usize>,
5253        cx: &mut Context<Self>,
5254    ) -> oneshot::Receiver<anyhow::Result<()>> {
5255        let id = self.id;
5256        let updates_tx = self
5257            .git_store()
5258            .and_then(|git_store| match &git_store.read(cx).state {
5259                GitStoreState::Local { downstream, .. } => downstream
5260                    .as_ref()
5261                    .map(|downstream| downstream.updates_tx.clone()),
5262                _ => None,
5263            });
5264        let this = cx.weak_entity();
5265        self.send_job(None, move |git_repo, mut cx| async move {
5266            match git_repo {
5267                RepositoryState::Local(LocalRepositoryState {
5268                    backend,
5269                    environment,
5270                    ..
5271                }) => {
5272                    // TODO would be nice to not have to do this manually
5273                    let result = backend.stash_drop(index, environment).await;
5274                    if result.is_ok()
5275                        && let Ok(stash_entries) = backend.stash_entries().await
5276                    {
5277                        let snapshot = this.update(&mut cx, |this, cx| {
5278                            this.snapshot.stash_entries = stash_entries;
5279                            cx.emit(RepositoryEvent::StashEntriesChanged);
5280                            this.snapshot.clone()
5281                        })?;
5282                        if let Some(updates_tx) = updates_tx {
5283                            updates_tx
5284                                .unbounded_send(DownstreamUpdate::UpdateRepository(snapshot))
5285                                .ok();
5286                        }
5287                    }
5288
5289                    result
5290                }
5291                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5292                    client
5293                        .request(proto::StashDrop {
5294                            project_id: project_id.0,
5295                            repository_id: id.to_proto(),
5296                            stash_index: index.map(|i| i as u64),
5297                        })
5298                        .await
5299                        .context("sending stash pop request")?;
5300                    Ok(())
5301                }
5302            }
5303        })
5304    }
5305
5306    pub fn run_hook(&mut self, hook: RunHook, _cx: &mut App) -> oneshot::Receiver<Result<()>> {
5307        let id = self.id;
5308        self.send_job(
5309            Some(format!("git hook {}", hook.as_str()).into()),
5310            move |git_repo, _cx| async move {
5311                match git_repo {
5312                    RepositoryState::Local(LocalRepositoryState {
5313                        backend,
5314                        environment,
5315                        ..
5316                    }) => backend.run_hook(hook, environment.clone()).await,
5317                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5318                        client
5319                            .request(proto::RunGitHook {
5320                                project_id: project_id.0,
5321                                repository_id: id.to_proto(),
5322                                hook: hook.to_proto(),
5323                            })
5324                            .await?;
5325
5326                        Ok(())
5327                    }
5328                }
5329            },
5330        )
5331    }
5332
5333    pub fn commit(
5334        &mut self,
5335        message: SharedString,
5336        name_and_email: Option<(SharedString, SharedString)>,
5337        options: CommitOptions,
5338        askpass: AskPassDelegate,
5339        cx: &mut App,
5340    ) -> oneshot::Receiver<Result<()>> {
5341        let id = self.id;
5342        let askpass_delegates = self.askpass_delegates.clone();
5343        let askpass_id = util::post_inc(&mut self.latest_askpass_id);
5344
5345        let rx = self.run_hook(RunHook::PreCommit, cx);
5346
5347        self.send_job(Some("git commit".into()), move |git_repo, _cx| async move {
5348            rx.await??;
5349
5350            match git_repo {
5351                RepositoryState::Local(LocalRepositoryState {
5352                    backend,
5353                    environment,
5354                    ..
5355                }) => {
5356                    backend
5357                        .commit(message, name_and_email, options, askpass, environment)
5358                        .await
5359                }
5360                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5361                    askpass_delegates.lock().insert(askpass_id, askpass);
5362                    let _defer = util::defer(|| {
5363                        let askpass_delegate = askpass_delegates.lock().remove(&askpass_id);
5364                        debug_assert!(askpass_delegate.is_some());
5365                    });
5366                    let (name, email) = name_and_email.unzip();
5367                    client
5368                        .request(proto::Commit {
5369                            project_id: project_id.0,
5370                            repository_id: id.to_proto(),
5371                            message: String::from(message),
5372                            name: name.map(String::from),
5373                            email: email.map(String::from),
5374                            options: Some(proto::commit::CommitOptions {
5375                                amend: options.amend,
5376                                signoff: options.signoff,
5377                            }),
5378                            askpass_id,
5379                        })
5380                        .await?;
5381
5382                    Ok(())
5383                }
5384            }
5385        })
5386    }
5387
5388    pub fn fetch(
5389        &mut self,
5390        fetch_options: FetchOptions,
5391        askpass: AskPassDelegate,
5392        _cx: &mut App,
5393    ) -> oneshot::Receiver<Result<RemoteCommandOutput>> {
5394        let askpass_delegates = self.askpass_delegates.clone();
5395        let askpass_id = util::post_inc(&mut self.latest_askpass_id);
5396        let id = self.id;
5397
5398        self.send_job(Some("git fetch".into()), move |git_repo, cx| async move {
5399            match git_repo {
5400                RepositoryState::Local(LocalRepositoryState {
5401                    backend,
5402                    environment,
5403                    ..
5404                }) => backend.fetch(fetch_options, askpass, environment, cx).await,
5405                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5406                    askpass_delegates.lock().insert(askpass_id, askpass);
5407                    let _defer = util::defer(|| {
5408                        let askpass_delegate = askpass_delegates.lock().remove(&askpass_id);
5409                        debug_assert!(askpass_delegate.is_some());
5410                    });
5411
5412                    let response = client
5413                        .request(proto::Fetch {
5414                            project_id: project_id.0,
5415                            repository_id: id.to_proto(),
5416                            askpass_id,
5417                            remote: fetch_options.to_proto(),
5418                        })
5419                        .await?;
5420
5421                    Ok(RemoteCommandOutput {
5422                        stdout: response.stdout,
5423                        stderr: response.stderr,
5424                    })
5425                }
5426            }
5427        })
5428    }
5429
5430    pub fn push(
5431        &mut self,
5432        branch: SharedString,
5433        remote_branch: SharedString,
5434        remote: SharedString,
5435        options: Option<PushOptions>,
5436        askpass: AskPassDelegate,
5437        cx: &mut Context<Self>,
5438    ) -> oneshot::Receiver<Result<RemoteCommandOutput>> {
5439        let askpass_delegates = self.askpass_delegates.clone();
5440        let askpass_id = util::post_inc(&mut self.latest_askpass_id);
5441        let id = self.id;
5442
5443        let args = options
5444            .map(|option| match option {
5445                PushOptions::SetUpstream => " --set-upstream",
5446                PushOptions::Force => " --force-with-lease",
5447            })
5448            .unwrap_or("");
5449
5450        let updates_tx = self
5451            .git_store()
5452            .and_then(|git_store| match &git_store.read(cx).state {
5453                GitStoreState::Local { downstream, .. } => downstream
5454                    .as_ref()
5455                    .map(|downstream| downstream.updates_tx.clone()),
5456                _ => None,
5457            });
5458
5459        let this = cx.weak_entity();
5460        self.send_job(
5461            Some(format!("git push {} {} {}:{}", args, remote, branch, remote_branch).into()),
5462            move |git_repo, mut cx| async move {
5463                match git_repo {
5464                    RepositoryState::Local(LocalRepositoryState {
5465                        backend,
5466                        environment,
5467                        ..
5468                    }) => {
5469                        let result = backend
5470                            .push(
5471                                branch.to_string(),
5472                                remote_branch.to_string(),
5473                                remote.to_string(),
5474                                options,
5475                                askpass,
5476                                environment.clone(),
5477                                cx.clone(),
5478                            )
5479                            .await;
5480                        // TODO would be nice to not have to do this manually
5481                        if result.is_ok() {
5482                            let branches = backend.branches().await?;
5483                            let branch = branches.into_iter().find(|branch| branch.is_head);
5484                            log::info!("head branch after scan is {branch:?}");
5485                            let snapshot = this.update(&mut cx, |this, cx| {
5486                                this.snapshot.branch = branch;
5487                                cx.emit(RepositoryEvent::BranchChanged);
5488                                this.snapshot.clone()
5489                            })?;
5490                            if let Some(updates_tx) = updates_tx {
5491                                updates_tx
5492                                    .unbounded_send(DownstreamUpdate::UpdateRepository(snapshot))
5493                                    .ok();
5494                            }
5495                        }
5496                        result
5497                    }
5498                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5499                        askpass_delegates.lock().insert(askpass_id, askpass);
5500                        let _defer = util::defer(|| {
5501                            let askpass_delegate = askpass_delegates.lock().remove(&askpass_id);
5502                            debug_assert!(askpass_delegate.is_some());
5503                        });
5504                        let response = client
5505                            .request(proto::Push {
5506                                project_id: project_id.0,
5507                                repository_id: id.to_proto(),
5508                                askpass_id,
5509                                branch_name: branch.to_string(),
5510                                remote_branch_name: remote_branch.to_string(),
5511                                remote_name: remote.to_string(),
5512                                options: options.map(|options| match options {
5513                                    PushOptions::Force => proto::push::PushOptions::Force,
5514                                    PushOptions::SetUpstream => {
5515                                        proto::push::PushOptions::SetUpstream
5516                                    }
5517                                }
5518                                    as i32),
5519                            })
5520                            .await?;
5521
5522                        Ok(RemoteCommandOutput {
5523                            stdout: response.stdout,
5524                            stderr: response.stderr,
5525                        })
5526                    }
5527                }
5528            },
5529        )
5530    }
5531
5532    pub fn pull(
5533        &mut self,
5534        branch: Option<SharedString>,
5535        remote: SharedString,
5536        rebase: bool,
5537        askpass: AskPassDelegate,
5538        _cx: &mut App,
5539    ) -> oneshot::Receiver<Result<RemoteCommandOutput>> {
5540        let askpass_delegates = self.askpass_delegates.clone();
5541        let askpass_id = util::post_inc(&mut self.latest_askpass_id);
5542        let id = self.id;
5543
5544        let mut status = "git pull".to_string();
5545        if rebase {
5546            status.push_str(" --rebase");
5547        }
5548        status.push_str(&format!(" {}", remote));
5549        if let Some(b) = &branch {
5550            status.push_str(&format!(" {}", b));
5551        }
5552
5553        self.send_job(Some(status.into()), move |git_repo, cx| async move {
5554            match git_repo {
5555                RepositoryState::Local(LocalRepositoryState {
5556                    backend,
5557                    environment,
5558                    ..
5559                }) => {
5560                    backend
5561                        .pull(
5562                            branch.as_ref().map(|b| b.to_string()),
5563                            remote.to_string(),
5564                            rebase,
5565                            askpass,
5566                            environment.clone(),
5567                            cx,
5568                        )
5569                        .await
5570                }
5571                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5572                    askpass_delegates.lock().insert(askpass_id, askpass);
5573                    let _defer = util::defer(|| {
5574                        let askpass_delegate = askpass_delegates.lock().remove(&askpass_id);
5575                        debug_assert!(askpass_delegate.is_some());
5576                    });
5577                    let response = client
5578                        .request(proto::Pull {
5579                            project_id: project_id.0,
5580                            repository_id: id.to_proto(),
5581                            askpass_id,
5582                            rebase,
5583                            branch_name: branch.as_ref().map(|b| b.to_string()),
5584                            remote_name: remote.to_string(),
5585                        })
5586                        .await?;
5587
5588                    Ok(RemoteCommandOutput {
5589                        stdout: response.stdout,
5590                        stderr: response.stderr,
5591                    })
5592                }
5593            }
5594        })
5595    }
5596
5597    fn spawn_set_index_text_job(
5598        &mut self,
5599        path: RepoPath,
5600        content: Option<String>,
5601        hunk_staging_operation_count: Option<usize>,
5602        cx: &mut Context<Self>,
5603    ) -> oneshot::Receiver<anyhow::Result<()>> {
5604        let id = self.id;
5605        let this = cx.weak_entity();
5606        let git_store = self.git_store.clone();
5607        let abs_path = self.snapshot.repo_path_to_abs_path(&path);
5608        self.send_keyed_job(
5609            Some(GitJobKey::WriteIndex(vec![path.clone()])),
5610            None,
5611            move |git_repo, mut cx| async move {
5612                log::debug!(
5613                    "start updating index text for buffer {}",
5614                    path.as_unix_str()
5615                );
5616
5617                match git_repo {
5618                    RepositoryState::Local(LocalRepositoryState {
5619                        fs,
5620                        backend,
5621                        environment,
5622                        ..
5623                    }) => {
5624                        let executable = match fs.metadata(&abs_path).await {
5625                            Ok(Some(meta)) => meta.is_executable,
5626                            Ok(None) => false,
5627                            Err(_err) => false,
5628                        };
5629                        backend
5630                            .set_index_text(path.clone(), content, environment.clone(), executable)
5631                            .await?;
5632                    }
5633                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5634                        client
5635                            .request(proto::SetIndexText {
5636                                project_id: project_id.0,
5637                                repository_id: id.to_proto(),
5638                                path: path.to_proto(),
5639                                text: content,
5640                            })
5641                            .await?;
5642                    }
5643                }
5644                log::debug!(
5645                    "finish updating index text for buffer {}",
5646                    path.as_unix_str()
5647                );
5648
5649                if let Some(hunk_staging_operation_count) = hunk_staging_operation_count {
5650                    let project_path = this
5651                        .read_with(&cx, |this, cx| this.repo_path_to_project_path(&path, cx))
5652                        .ok()
5653                        .flatten();
5654                    git_store
5655                        .update(&mut cx, |git_store, cx| {
5656                            let buffer_id = git_store
5657                                .buffer_store
5658                                .read(cx)
5659                                .get_by_path(&project_path?)?
5660                                .read(cx)
5661                                .remote_id();
5662                            let diff_state = git_store.diffs.get(&buffer_id)?;
5663                            diff_state.update(cx, |diff_state, _| {
5664                                diff_state.hunk_staging_operation_count_as_of_write =
5665                                    hunk_staging_operation_count;
5666                            });
5667                            Some(())
5668                        })
5669                        .context("Git store dropped")?;
5670                }
5671                Ok(())
5672            },
5673        )
5674    }
5675
5676    pub fn create_remote(
5677        &mut self,
5678        remote_name: String,
5679        remote_url: String,
5680    ) -> oneshot::Receiver<Result<()>> {
5681        let id = self.id;
5682        self.send_job(
5683            Some(format!("git remote add {remote_name} {remote_url}").into()),
5684            move |repo, _cx| async move {
5685                match repo {
5686                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5687                        backend.create_remote(remote_name, remote_url).await
5688                    }
5689                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5690                        client
5691                            .request(proto::GitCreateRemote {
5692                                project_id: project_id.0,
5693                                repository_id: id.to_proto(),
5694                                remote_name,
5695                                remote_url,
5696                            })
5697                            .await?;
5698
5699                        Ok(())
5700                    }
5701                }
5702            },
5703        )
5704    }
5705
5706    pub fn remove_remote(&mut self, remote_name: String) -> oneshot::Receiver<Result<()>> {
5707        let id = self.id;
5708        self.send_job(
5709            Some(format!("git remove remote {remote_name}").into()),
5710            move |repo, _cx| async move {
5711                match repo {
5712                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5713                        backend.remove_remote(remote_name).await
5714                    }
5715                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5716                        client
5717                            .request(proto::GitRemoveRemote {
5718                                project_id: project_id.0,
5719                                repository_id: id.to_proto(),
5720                                remote_name,
5721                            })
5722                            .await?;
5723
5724                        Ok(())
5725                    }
5726                }
5727            },
5728        )
5729    }
5730
5731    pub fn get_remotes(
5732        &mut self,
5733        branch_name: Option<String>,
5734        is_push: bool,
5735    ) -> oneshot::Receiver<Result<Vec<Remote>>> {
5736        let id = self.id;
5737        self.send_job(None, move |repo, _cx| async move {
5738            match repo {
5739                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5740                    let remote = if let Some(branch_name) = branch_name {
5741                        if is_push {
5742                            backend.get_push_remote(branch_name).await?
5743                        } else {
5744                            backend.get_branch_remote(branch_name).await?
5745                        }
5746                    } else {
5747                        None
5748                    };
5749
5750                    match remote {
5751                        Some(remote) => Ok(vec![remote]),
5752                        None => backend.get_all_remotes().await,
5753                    }
5754                }
5755                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5756                    let response = client
5757                        .request(proto::GetRemotes {
5758                            project_id: project_id.0,
5759                            repository_id: id.to_proto(),
5760                            branch_name,
5761                            is_push,
5762                        })
5763                        .await?;
5764
5765                    let remotes = response
5766                        .remotes
5767                        .into_iter()
5768                        .map(|remotes| Remote {
5769                            name: remotes.name.into(),
5770                        })
5771                        .collect();
5772
5773                    Ok(remotes)
5774                }
5775            }
5776        })
5777    }
5778
5779    pub fn branches(&mut self) -> oneshot::Receiver<Result<Vec<Branch>>> {
5780        let id = self.id;
5781        self.send_job(None, move |repo, _| async move {
5782            match repo {
5783                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5784                    backend.branches().await
5785                }
5786                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5787                    let response = client
5788                        .request(proto::GitGetBranches {
5789                            project_id: project_id.0,
5790                            repository_id: id.to_proto(),
5791                        })
5792                        .await?;
5793
5794                    let branches = response
5795                        .branches
5796                        .into_iter()
5797                        .map(|branch| proto_to_branch(&branch))
5798                        .collect();
5799
5800                    Ok(branches)
5801                }
5802            }
5803        })
5804    }
5805
5806    /// If this is a linked worktree (*NOT* the main checkout of a repository),
5807    /// returns the pathed for the linked worktree.
5808    ///
5809    /// Returns None if this is the main checkout.
5810    pub fn linked_worktree_path(&self) -> Option<&Arc<Path>> {
5811        if self.work_directory_abs_path != self.original_repo_abs_path {
5812            Some(&self.work_directory_abs_path)
5813        } else {
5814            None
5815        }
5816    }
5817
5818    pub fn path_for_new_linked_worktree(
5819        &self,
5820        branch_name: &str,
5821        worktree_directory_setting: &str,
5822    ) -> Result<PathBuf> {
5823        let original_repo = self.original_repo_abs_path.clone();
5824        let project_name = original_repo
5825            .file_name()
5826            .ok_or_else(|| anyhow!("git repo must have a directory name"))?;
5827        let directory = worktrees_directory_for_repo(&original_repo, worktree_directory_setting)?;
5828        Ok(directory.join(branch_name).join(project_name))
5829    }
5830
5831    pub fn worktrees(&mut self) -> oneshot::Receiver<Result<Vec<GitWorktree>>> {
5832        let id = self.id;
5833        self.send_job(None, move |repo, _| async move {
5834            match repo {
5835                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5836                    backend.worktrees().await
5837                }
5838                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5839                    let response = client
5840                        .request(proto::GitGetWorktrees {
5841                            project_id: project_id.0,
5842                            repository_id: id.to_proto(),
5843                        })
5844                        .await?;
5845
5846                    let worktrees = response
5847                        .worktrees
5848                        .into_iter()
5849                        .map(|worktree| proto_to_worktree(&worktree))
5850                        .collect();
5851
5852                    Ok(worktrees)
5853                }
5854            }
5855        })
5856    }
5857
5858    pub fn create_worktree(
5859        &mut self,
5860        branch_name: String,
5861        path: PathBuf,
5862        commit: Option<String>,
5863    ) -> oneshot::Receiver<Result<()>> {
5864        let id = self.id;
5865        self.send_job(
5866            Some(format!("git worktree add: {}", branch_name).into()),
5867            move |repo, _cx| async move {
5868                match repo {
5869                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5870                        backend.create_worktree(branch_name, path, commit).await
5871                    }
5872                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5873                        client
5874                            .request(proto::GitCreateWorktree {
5875                                project_id: project_id.0,
5876                                repository_id: id.to_proto(),
5877                                name: branch_name,
5878                                directory: path.to_string_lossy().to_string(),
5879                                commit,
5880                            })
5881                            .await?;
5882
5883                        Ok(())
5884                    }
5885                }
5886            },
5887        )
5888    }
5889
5890    pub fn remove_worktree(&mut self, path: PathBuf, force: bool) -> oneshot::Receiver<Result<()>> {
5891        let id = self.id;
5892        self.send_job(
5893            Some(format!("git worktree remove: {}", path.display()).into()),
5894            move |repo, _cx| async move {
5895                match repo {
5896                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5897                        backend.remove_worktree(path, force).await
5898                    }
5899                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5900                        client
5901                            .request(proto::GitRemoveWorktree {
5902                                project_id: project_id.0,
5903                                repository_id: id.to_proto(),
5904                                path: path.to_string_lossy().to_string(),
5905                                force,
5906                            })
5907                            .await?;
5908
5909                        Ok(())
5910                    }
5911                }
5912            },
5913        )
5914    }
5915
5916    pub fn rename_worktree(
5917        &mut self,
5918        old_path: PathBuf,
5919        new_path: PathBuf,
5920    ) -> oneshot::Receiver<Result<()>> {
5921        let id = self.id;
5922        self.send_job(
5923            Some(format!("git worktree move: {}", old_path.display()).into()),
5924            move |repo, _cx| async move {
5925                match repo {
5926                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5927                        backend.rename_worktree(old_path, new_path).await
5928                    }
5929                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5930                        client
5931                            .request(proto::GitRenameWorktree {
5932                                project_id: project_id.0,
5933                                repository_id: id.to_proto(),
5934                                old_path: old_path.to_string_lossy().to_string(),
5935                                new_path: new_path.to_string_lossy().to_string(),
5936                            })
5937                            .await?;
5938
5939                        Ok(())
5940                    }
5941                }
5942            },
5943        )
5944    }
5945
5946    pub fn default_branch(
5947        &mut self,
5948        include_remote_name: bool,
5949    ) -> oneshot::Receiver<Result<Option<SharedString>>> {
5950        let id = self.id;
5951        self.send_job(None, move |repo, _| async move {
5952            match repo {
5953                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5954                    backend.default_branch(include_remote_name).await
5955                }
5956                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
5957                    let response = client
5958                        .request(proto::GetDefaultBranch {
5959                            project_id: project_id.0,
5960                            repository_id: id.to_proto(),
5961                        })
5962                        .await?;
5963
5964                    anyhow::Ok(response.branch.map(SharedString::from))
5965                }
5966            }
5967        })
5968    }
5969
5970    pub fn diff_tree(
5971        &mut self,
5972        diff_type: DiffTreeType,
5973        _cx: &App,
5974    ) -> oneshot::Receiver<Result<TreeDiff>> {
5975        let repository_id = self.snapshot.id;
5976        self.send_job(None, move |repo, _cx| async move {
5977            match repo {
5978                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
5979                    backend.diff_tree(diff_type).await
5980                }
5981                RepositoryState::Remote(RemoteRepositoryState { client, project_id }) => {
5982                    let response = client
5983                        .request(proto::GetTreeDiff {
5984                            project_id: project_id.0,
5985                            repository_id: repository_id.0,
5986                            is_merge: matches!(diff_type, DiffTreeType::MergeBase { .. }),
5987                            base: diff_type.base().to_string(),
5988                            head: diff_type.head().to_string(),
5989                        })
5990                        .await?;
5991
5992                    let entries = response
5993                        .entries
5994                        .into_iter()
5995                        .filter_map(|entry| {
5996                            let status = match entry.status() {
5997                                proto::tree_diff_status::Status::Added => TreeDiffStatus::Added,
5998                                proto::tree_diff_status::Status::Modified => {
5999                                    TreeDiffStatus::Modified {
6000                                        old: git::Oid::from_str(
6001                                            &entry.oid.context("missing oid").log_err()?,
6002                                        )
6003                                        .log_err()?,
6004                                    }
6005                                }
6006                                proto::tree_diff_status::Status::Deleted => {
6007                                    TreeDiffStatus::Deleted {
6008                                        old: git::Oid::from_str(
6009                                            &entry.oid.context("missing oid").log_err()?,
6010                                        )
6011                                        .log_err()?,
6012                                    }
6013                                }
6014                            };
6015                            Some((
6016                                RepoPath::from_rel_path(
6017                                    &RelPath::from_proto(&entry.path).log_err()?,
6018                                ),
6019                                status,
6020                            ))
6021                        })
6022                        .collect();
6023
6024                    Ok(TreeDiff { entries })
6025                }
6026            }
6027        })
6028    }
6029
6030    pub fn diff(&mut self, diff_type: DiffType, _cx: &App) -> oneshot::Receiver<Result<String>> {
6031        let id = self.id;
6032        self.send_job(None, move |repo, _cx| async move {
6033            match repo {
6034                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6035                    backend.diff(diff_type).await
6036                }
6037                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6038                    let (proto_diff_type, merge_base_ref) = match &diff_type {
6039                        DiffType::HeadToIndex => {
6040                            (proto::git_diff::DiffType::HeadToIndex.into(), None)
6041                        }
6042                        DiffType::HeadToWorktree => {
6043                            (proto::git_diff::DiffType::HeadToWorktree.into(), None)
6044                        }
6045                        DiffType::MergeBase { base_ref } => (
6046                            proto::git_diff::DiffType::MergeBase.into(),
6047                            Some(base_ref.to_string()),
6048                        ),
6049                    };
6050                    let response = client
6051                        .request(proto::GitDiff {
6052                            project_id: project_id.0,
6053                            repository_id: id.to_proto(),
6054                            diff_type: proto_diff_type,
6055                            merge_base_ref,
6056                        })
6057                        .await?;
6058
6059                    Ok(response.diff)
6060                }
6061            }
6062        })
6063    }
6064
6065    pub fn create_branch(
6066        &mut self,
6067        branch_name: String,
6068        base_branch: Option<String>,
6069    ) -> oneshot::Receiver<Result<()>> {
6070        let id = self.id;
6071        let status_msg = if let Some(ref base) = base_branch {
6072            format!("git switch -c {branch_name} {base}").into()
6073        } else {
6074            format!("git switch -c {branch_name}").into()
6075        };
6076        self.send_job(Some(status_msg), move |repo, _cx| async move {
6077            match repo {
6078                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6079                    backend.create_branch(branch_name, base_branch).await
6080                }
6081                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6082                    client
6083                        .request(proto::GitCreateBranch {
6084                            project_id: project_id.0,
6085                            repository_id: id.to_proto(),
6086                            branch_name,
6087                        })
6088                        .await?;
6089
6090                    Ok(())
6091                }
6092            }
6093        })
6094    }
6095
6096    pub fn change_branch(&mut self, branch_name: String) -> oneshot::Receiver<Result<()>> {
6097        let id = self.id;
6098        self.send_job(
6099            Some(format!("git switch {branch_name}").into()),
6100            move |repo, _cx| async move {
6101                match repo {
6102                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6103                        backend.change_branch(branch_name).await
6104                    }
6105                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6106                        client
6107                            .request(proto::GitChangeBranch {
6108                                project_id: project_id.0,
6109                                repository_id: id.to_proto(),
6110                                branch_name,
6111                            })
6112                            .await?;
6113
6114                        Ok(())
6115                    }
6116                }
6117            },
6118        )
6119    }
6120
6121    pub fn delete_branch(
6122        &mut self,
6123        is_remote: bool,
6124        branch_name: String,
6125    ) -> oneshot::Receiver<Result<()>> {
6126        let id = self.id;
6127        self.send_job(
6128            Some(
6129                format!(
6130                    "git branch {} {}",
6131                    if is_remote { "-dr" } else { "-d" },
6132                    branch_name
6133                )
6134                .into(),
6135            ),
6136            move |repo, _cx| async move {
6137                match repo {
6138                    RepositoryState::Local(state) => {
6139                        state.backend.delete_branch(is_remote, branch_name).await
6140                    }
6141                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6142                        client
6143                            .request(proto::GitDeleteBranch {
6144                                project_id: project_id.0,
6145                                repository_id: id.to_proto(),
6146                                is_remote,
6147                                branch_name,
6148                            })
6149                            .await?;
6150
6151                        Ok(())
6152                    }
6153                }
6154            },
6155        )
6156    }
6157
6158    pub fn rename_branch(
6159        &mut self,
6160        branch: String,
6161        new_name: String,
6162    ) -> oneshot::Receiver<Result<()>> {
6163        let id = self.id;
6164        self.send_job(
6165            Some(format!("git branch -m {branch} {new_name}").into()),
6166            move |repo, _cx| async move {
6167                match repo {
6168                    RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6169                        backend.rename_branch(branch, new_name).await
6170                    }
6171                    RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6172                        client
6173                            .request(proto::GitRenameBranch {
6174                                project_id: project_id.0,
6175                                repository_id: id.to_proto(),
6176                                branch,
6177                                new_name,
6178                            })
6179                            .await?;
6180
6181                        Ok(())
6182                    }
6183                }
6184            },
6185        )
6186    }
6187
6188    pub fn check_for_pushed_commits(&mut self) -> oneshot::Receiver<Result<Vec<SharedString>>> {
6189        let id = self.id;
6190        self.send_job(None, move |repo, _cx| async move {
6191            match repo {
6192                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6193                    backend.check_for_pushed_commit().await
6194                }
6195                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6196                    let response = client
6197                        .request(proto::CheckForPushedCommits {
6198                            project_id: project_id.0,
6199                            repository_id: id.to_proto(),
6200                        })
6201                        .await?;
6202
6203                    let branches = response.pushed_to.into_iter().map(Into::into).collect();
6204
6205                    Ok(branches)
6206                }
6207            }
6208        })
6209    }
6210
6211    pub fn checkpoint(&mut self) -> oneshot::Receiver<Result<GitRepositoryCheckpoint>> {
6212        self.send_job(None, |repo, _cx| async move {
6213            match repo {
6214                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6215                    backend.checkpoint().await
6216                }
6217                RepositoryState::Remote(..) => anyhow::bail!("not implemented yet"),
6218            }
6219        })
6220    }
6221
6222    pub fn restore_checkpoint(
6223        &mut self,
6224        checkpoint: GitRepositoryCheckpoint,
6225    ) -> oneshot::Receiver<Result<()>> {
6226        self.send_job(None, move |repo, _cx| async move {
6227            match repo {
6228                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6229                    backend.restore_checkpoint(checkpoint).await
6230                }
6231                RepositoryState::Remote { .. } => anyhow::bail!("not implemented yet"),
6232            }
6233        })
6234    }
6235
6236    pub(crate) fn apply_remote_update(
6237        &mut self,
6238        update: proto::UpdateRepository,
6239        cx: &mut Context<Self>,
6240    ) -> Result<()> {
6241        if let Some(main_path) = &update.original_repo_abs_path {
6242            self.snapshot.original_repo_abs_path = Path::new(main_path.as_str()).into();
6243        }
6244
6245        let new_branch = update.branch_summary.as_ref().map(proto_to_branch);
6246        let new_head_commit = update
6247            .head_commit_details
6248            .as_ref()
6249            .map(proto_to_commit_details);
6250        if self.snapshot.branch != new_branch || self.snapshot.head_commit != new_head_commit {
6251            cx.emit(RepositoryEvent::BranchChanged)
6252        }
6253        self.snapshot.branch = new_branch;
6254        self.snapshot.head_commit = new_head_commit;
6255
6256        // We don't store any merge head state for downstream projects; the upstream
6257        // will track it and we will just get the updated conflicts
6258        let new_merge_heads = TreeMap::from_ordered_entries(
6259            update
6260                .current_merge_conflicts
6261                .into_iter()
6262                .filter_map(|path| Some((RepoPath::from_proto(&path).ok()?, vec![]))),
6263        );
6264        let conflicts_changed =
6265            self.snapshot.merge.merge_heads_by_conflicted_path != new_merge_heads;
6266        self.snapshot.merge.merge_heads_by_conflicted_path = new_merge_heads;
6267        self.snapshot.merge.message = update.merge_message.map(SharedString::from);
6268        let new_stash_entries = GitStash {
6269            entries: update
6270                .stash_entries
6271                .iter()
6272                .filter_map(|entry| proto_to_stash(entry).ok())
6273                .collect(),
6274        };
6275        if self.snapshot.stash_entries != new_stash_entries {
6276            cx.emit(RepositoryEvent::StashEntriesChanged)
6277        }
6278        self.snapshot.stash_entries = new_stash_entries;
6279        let new_linked_worktrees: Arc<[GitWorktree]> = update
6280            .linked_worktrees
6281            .iter()
6282            .map(proto_to_worktree)
6283            .collect();
6284        if *self.snapshot.linked_worktrees != *new_linked_worktrees {
6285            cx.emit(RepositoryEvent::GitWorktreeListChanged);
6286        }
6287        self.snapshot.linked_worktrees = new_linked_worktrees;
6288        self.snapshot.remote_upstream_url = update.remote_upstream_url;
6289        self.snapshot.remote_origin_url = update.remote_origin_url;
6290
6291        let edits = update
6292            .removed_statuses
6293            .into_iter()
6294            .filter_map(|path| {
6295                Some(sum_tree::Edit::Remove(PathKey(
6296                    RelPath::from_proto(&path).log_err()?,
6297                )))
6298            })
6299            .chain(
6300                update
6301                    .updated_statuses
6302                    .into_iter()
6303                    .filter_map(|updated_status| {
6304                        Some(sum_tree::Edit::Insert(updated_status.try_into().log_err()?))
6305                    }),
6306            )
6307            .collect::<Vec<_>>();
6308        if conflicts_changed || !edits.is_empty() {
6309            cx.emit(RepositoryEvent::StatusesChanged);
6310        }
6311        self.snapshot.statuses_by_path.edit(edits, ());
6312
6313        if update.is_last_update {
6314            self.snapshot.scan_id = update.scan_id;
6315        }
6316        self.clear_pending_ops(cx);
6317        Ok(())
6318    }
6319
6320    pub fn compare_checkpoints(
6321        &mut self,
6322        left: GitRepositoryCheckpoint,
6323        right: GitRepositoryCheckpoint,
6324    ) -> oneshot::Receiver<Result<bool>> {
6325        self.send_job(None, move |repo, _cx| async move {
6326            match repo {
6327                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6328                    backend.compare_checkpoints(left, right).await
6329                }
6330                RepositoryState::Remote { .. } => anyhow::bail!("not implemented yet"),
6331            }
6332        })
6333    }
6334
6335    pub fn diff_checkpoints(
6336        &mut self,
6337        base_checkpoint: GitRepositoryCheckpoint,
6338        target_checkpoint: GitRepositoryCheckpoint,
6339    ) -> oneshot::Receiver<Result<String>> {
6340        self.send_job(None, move |repo, _cx| async move {
6341            match repo {
6342                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6343                    backend
6344                        .diff_checkpoints(base_checkpoint, target_checkpoint)
6345                        .await
6346                }
6347                RepositoryState::Remote { .. } => anyhow::bail!("not implemented yet"),
6348            }
6349        })
6350    }
6351
6352    fn clear_pending_ops(&mut self, cx: &mut Context<Self>) {
6353        let updated = SumTree::from_iter(
6354            self.pending_ops.iter().filter_map(|ops| {
6355                let inner_ops: Vec<PendingOp> =
6356                    ops.ops.iter().filter(|op| op.running()).cloned().collect();
6357                if inner_ops.is_empty() {
6358                    None
6359                } else {
6360                    Some(PendingOps {
6361                        repo_path: ops.repo_path.clone(),
6362                        ops: inner_ops,
6363                    })
6364                }
6365            }),
6366            (),
6367        );
6368
6369        if updated != self.pending_ops {
6370            cx.emit(RepositoryEvent::PendingOpsChanged {
6371                pending_ops: self.pending_ops.clone(),
6372            })
6373        }
6374
6375        self.pending_ops = updated;
6376    }
6377
6378    fn schedule_scan(
6379        &mut self,
6380        updates_tx: Option<mpsc::UnboundedSender<DownstreamUpdate>>,
6381        cx: &mut Context<Self>,
6382    ) {
6383        let this = cx.weak_entity();
6384        let _ = self.send_keyed_job(
6385            Some(GitJobKey::ReloadGitState),
6386            None,
6387            |state, mut cx| async move {
6388                log::debug!("run scheduled git status scan");
6389
6390                let Some(this) = this.upgrade() else {
6391                    return Ok(());
6392                };
6393                let RepositoryState::Local(LocalRepositoryState { backend, .. }) = state else {
6394                    bail!("not a local repository")
6395                };
6396                let snapshot = compute_snapshot(this.clone(), backend.clone(), &mut cx).await?;
6397                this.update(&mut cx, |this, cx| {
6398                    this.clear_pending_ops(cx);
6399                });
6400                if let Some(updates_tx) = updates_tx {
6401                    updates_tx
6402                        .unbounded_send(DownstreamUpdate::UpdateRepository(snapshot))
6403                        .ok();
6404                }
6405                Ok(())
6406            },
6407        );
6408    }
6409
6410    fn spawn_local_git_worker(
6411        state: Shared<Task<Result<LocalRepositoryState, String>>>,
6412        cx: &mut Context<Self>,
6413    ) -> mpsc::UnboundedSender<GitJob> {
6414        let (job_tx, mut job_rx) = mpsc::unbounded::<GitJob>();
6415
6416        cx.spawn(async move |_, cx| {
6417            let state = state.await.map_err(|err| anyhow::anyhow!(err))?;
6418            if let Some(git_hosting_provider_registry) =
6419                cx.update(|cx| GitHostingProviderRegistry::try_global(cx))
6420            {
6421                git_hosting_providers::register_additional_providers(
6422                    git_hosting_provider_registry,
6423                    state.backend.clone(),
6424                )
6425                .await;
6426            }
6427            let state = RepositoryState::Local(state);
6428            let mut jobs = VecDeque::new();
6429            loop {
6430                while let Ok(Some(next_job)) = job_rx.try_next() {
6431                    jobs.push_back(next_job);
6432                }
6433
6434                if let Some(job) = jobs.pop_front() {
6435                    if let Some(current_key) = &job.key
6436                        && jobs
6437                            .iter()
6438                            .any(|other_job| other_job.key.as_ref() == Some(current_key))
6439                    {
6440                        continue;
6441                    }
6442                    (job.job)(state.clone(), cx).await;
6443                } else if let Some(job) = job_rx.next().await {
6444                    jobs.push_back(job);
6445                } else {
6446                    break;
6447                }
6448            }
6449            anyhow::Ok(())
6450        })
6451        .detach_and_log_err(cx);
6452
6453        job_tx
6454    }
6455
6456    fn spawn_remote_git_worker(
6457        state: RemoteRepositoryState,
6458        cx: &mut Context<Self>,
6459    ) -> mpsc::UnboundedSender<GitJob> {
6460        let (job_tx, mut job_rx) = mpsc::unbounded::<GitJob>();
6461
6462        cx.spawn(async move |_, cx| {
6463            let state = RepositoryState::Remote(state);
6464            let mut jobs = VecDeque::new();
6465            loop {
6466                while let Ok(Some(next_job)) = job_rx.try_next() {
6467                    jobs.push_back(next_job);
6468                }
6469
6470                if let Some(job) = jobs.pop_front() {
6471                    if let Some(current_key) = &job.key
6472                        && jobs
6473                            .iter()
6474                            .any(|other_job| other_job.key.as_ref() == Some(current_key))
6475                    {
6476                        continue;
6477                    }
6478                    (job.job)(state.clone(), cx).await;
6479                } else if let Some(job) = job_rx.next().await {
6480                    jobs.push_back(job);
6481                } else {
6482                    break;
6483                }
6484            }
6485            anyhow::Ok(())
6486        })
6487        .detach_and_log_err(cx);
6488
6489        job_tx
6490    }
6491
6492    fn load_staged_text(
6493        &mut self,
6494        buffer_id: BufferId,
6495        repo_path: RepoPath,
6496        cx: &App,
6497    ) -> Task<Result<Option<String>>> {
6498        let rx = self.send_job(None, move |state, _| async move {
6499            match state {
6500                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6501                    anyhow::Ok(backend.load_index_text(repo_path).await)
6502                }
6503                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6504                    let response = client
6505                        .request(proto::OpenUnstagedDiff {
6506                            project_id: project_id.to_proto(),
6507                            buffer_id: buffer_id.to_proto(),
6508                        })
6509                        .await?;
6510                    Ok(response.staged_text)
6511                }
6512            }
6513        });
6514        cx.spawn(|_: &mut AsyncApp| async move { rx.await? })
6515    }
6516
6517    fn load_committed_text(
6518        &mut self,
6519        buffer_id: BufferId,
6520        repo_path: RepoPath,
6521        cx: &App,
6522    ) -> Task<Result<DiffBasesChange>> {
6523        let rx = self.send_job(None, move |state, _| async move {
6524            match state {
6525                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6526                    let committed_text = backend.load_committed_text(repo_path.clone()).await;
6527                    let staged_text = backend.load_index_text(repo_path).await;
6528                    let diff_bases_change = if committed_text == staged_text {
6529                        DiffBasesChange::SetBoth(committed_text)
6530                    } else {
6531                        DiffBasesChange::SetEach {
6532                            index: staged_text,
6533                            head: committed_text,
6534                        }
6535                    };
6536                    anyhow::Ok(diff_bases_change)
6537                }
6538                RepositoryState::Remote(RemoteRepositoryState { project_id, client }) => {
6539                    use proto::open_uncommitted_diff_response::Mode;
6540
6541                    let response = client
6542                        .request(proto::OpenUncommittedDiff {
6543                            project_id: project_id.to_proto(),
6544                            buffer_id: buffer_id.to_proto(),
6545                        })
6546                        .await?;
6547                    let mode = Mode::from_i32(response.mode).context("Invalid mode")?;
6548                    let bases = match mode {
6549                        Mode::IndexMatchesHead => DiffBasesChange::SetBoth(response.committed_text),
6550                        Mode::IndexAndHead => DiffBasesChange::SetEach {
6551                            head: response.committed_text,
6552                            index: response.staged_text,
6553                        },
6554                    };
6555                    Ok(bases)
6556                }
6557            }
6558        });
6559
6560        cx.spawn(|_: &mut AsyncApp| async move { rx.await? })
6561    }
6562
6563    fn load_blob_content(&mut self, oid: Oid, cx: &App) -> Task<Result<String>> {
6564        let repository_id = self.snapshot.id;
6565        let rx = self.send_job(None, move |state, _| async move {
6566            match state {
6567                RepositoryState::Local(LocalRepositoryState { backend, .. }) => {
6568                    backend.load_blob_content(oid).await
6569                }
6570                RepositoryState::Remote(RemoteRepositoryState { client, project_id }) => {
6571                    let response = client
6572                        .request(proto::GetBlobContent {
6573                            project_id: project_id.to_proto(),
6574                            repository_id: repository_id.0,
6575                            oid: oid.to_string(),
6576                        })
6577                        .await?;
6578                    Ok(response.content)
6579                }
6580            }
6581        });
6582        cx.spawn(|_: &mut AsyncApp| async move { rx.await? })
6583    }
6584
6585    fn paths_changed(
6586        &mut self,
6587        paths: Vec<RepoPath>,
6588        updates_tx: Option<mpsc::UnboundedSender<DownstreamUpdate>>,
6589        cx: &mut Context<Self>,
6590    ) {
6591        if !paths.is_empty() {
6592            self.paths_needing_status_update.push(paths);
6593        }
6594
6595        let this = cx.weak_entity();
6596        let _ = self.send_keyed_job(
6597            Some(GitJobKey::RefreshStatuses),
6598            None,
6599            |state, mut cx| async move {
6600                let (prev_snapshot, changed_paths) = this.update(&mut cx, |this, _| {
6601                    (
6602                        this.snapshot.clone(),
6603                        mem::take(&mut this.paths_needing_status_update),
6604                    )
6605                })?;
6606                let RepositoryState::Local(LocalRepositoryState { backend, .. }) = state else {
6607                    bail!("not a local repository")
6608                };
6609
6610                if changed_paths.is_empty() {
6611                    return Ok(());
6612                }
6613
6614                let has_head = prev_snapshot.head_commit.is_some();
6615
6616                let stash_entries = backend.stash_entries().await?;
6617                let changed_path_statuses = cx
6618                    .background_spawn(async move {
6619                        let mut changed_paths =
6620                            changed_paths.into_iter().flatten().collect::<BTreeSet<_>>();
6621                        let changed_paths_vec = changed_paths.iter().cloned().collect::<Vec<_>>();
6622
6623                        let status_task = backend.status(&changed_paths_vec);
6624                        let diff_stat_future = if has_head {
6625                            backend.diff_stat(&changed_paths_vec)
6626                        } else {
6627                            future::ready(Ok(status::GitDiffStat {
6628                                entries: Arc::default(),
6629                            }))
6630                            .boxed()
6631                        };
6632
6633                        let (statuses, diff_stats) =
6634                            futures::future::try_join(status_task, diff_stat_future).await?;
6635
6636                        let diff_stats: HashMap<RepoPath, DiffStat> =
6637                            HashMap::from_iter(diff_stats.entries.into_iter().cloned());
6638
6639                        let mut changed_path_statuses = Vec::new();
6640                        let prev_statuses = prev_snapshot.statuses_by_path.clone();
6641                        let mut cursor = prev_statuses.cursor::<PathProgress>(());
6642
6643                        for (repo_path, status) in &*statuses.entries {
6644                            let current_diff_stat = diff_stats.get(repo_path).copied();
6645
6646                            changed_paths.remove(repo_path);
6647                            if cursor.seek_forward(&PathTarget::Path(repo_path), Bias::Left)
6648                                && cursor.item().is_some_and(|entry| {
6649                                    entry.status == *status && entry.diff_stat == current_diff_stat
6650                                })
6651                            {
6652                                continue;
6653                            }
6654
6655                            changed_path_statuses.push(Edit::Insert(StatusEntry {
6656                                repo_path: repo_path.clone(),
6657                                status: *status,
6658                                diff_stat: current_diff_stat,
6659                            }));
6660                        }
6661                        let mut cursor = prev_statuses.cursor::<PathProgress>(());
6662                        for path in changed_paths.into_iter() {
6663                            if cursor.seek_forward(&PathTarget::Path(&path), Bias::Left) {
6664                                changed_path_statuses
6665                                    .push(Edit::Remove(PathKey(path.as_ref().clone())));
6666                            }
6667                        }
6668                        anyhow::Ok(changed_path_statuses)
6669                    })
6670                    .await?;
6671
6672                this.update(&mut cx, |this, cx| {
6673                    if this.snapshot.stash_entries != stash_entries {
6674                        cx.emit(RepositoryEvent::StashEntriesChanged);
6675                        this.snapshot.stash_entries = stash_entries;
6676                    }
6677
6678                    if !changed_path_statuses.is_empty() {
6679                        cx.emit(RepositoryEvent::StatusesChanged);
6680                        this.snapshot
6681                            .statuses_by_path
6682                            .edit(changed_path_statuses, ());
6683                        this.snapshot.scan_id += 1;
6684                    }
6685
6686                    if let Some(updates_tx) = updates_tx {
6687                        updates_tx
6688                            .unbounded_send(DownstreamUpdate::UpdateRepository(
6689                                this.snapshot.clone(),
6690                            ))
6691                            .ok();
6692                    }
6693                })
6694            },
6695        );
6696    }
6697
6698    /// currently running git command and when it started
6699    pub fn current_job(&self) -> Option<JobInfo> {
6700        self.active_jobs.values().next().cloned()
6701    }
6702
6703    pub fn barrier(&mut self) -> oneshot::Receiver<()> {
6704        self.send_job(None, |_, _| async {})
6705    }
6706
6707    fn spawn_job_with_tracking<AsyncFn>(
6708        &mut self,
6709        paths: Vec<RepoPath>,
6710        git_status: pending_op::GitStatus,
6711        cx: &mut Context<Self>,
6712        f: AsyncFn,
6713    ) -> Task<Result<()>>
6714    where
6715        AsyncFn: AsyncFnOnce(WeakEntity<Repository>, &mut AsyncApp) -> Result<()> + 'static,
6716    {
6717        let ids = self.new_pending_ops_for_paths(paths, git_status);
6718
6719        cx.spawn(async move |this, cx| {
6720            let (job_status, result) = match f(this.clone(), cx).await {
6721                Ok(()) => (pending_op::JobStatus::Finished, Ok(())),
6722                Err(err) if err.is::<Canceled>() => (pending_op::JobStatus::Skipped, Ok(())),
6723                Err(err) => (pending_op::JobStatus::Error, Err(err)),
6724            };
6725
6726            this.update(cx, |this, _| {
6727                let mut edits = Vec::with_capacity(ids.len());
6728                for (id, entry) in ids {
6729                    if let Some(mut ops) = this
6730                        .pending_ops
6731                        .get(&PathKey(entry.as_ref().clone()), ())
6732                        .cloned()
6733                    {
6734                        if let Some(op) = ops.op_by_id_mut(id) {
6735                            op.job_status = job_status;
6736                        }
6737                        edits.push(sum_tree::Edit::Insert(ops));
6738                    }
6739                }
6740                this.pending_ops.edit(edits, ());
6741            })?;
6742
6743            result
6744        })
6745    }
6746
6747    fn new_pending_ops_for_paths(
6748        &mut self,
6749        paths: Vec<RepoPath>,
6750        git_status: pending_op::GitStatus,
6751    ) -> Vec<(PendingOpId, RepoPath)> {
6752        let mut edits = Vec::with_capacity(paths.len());
6753        let mut ids = Vec::with_capacity(paths.len());
6754        for path in paths {
6755            let mut ops = self
6756                .pending_ops
6757                .get(&PathKey(path.as_ref().clone()), ())
6758                .cloned()
6759                .unwrap_or_else(|| PendingOps::new(&path));
6760            let id = ops.max_id() + 1;
6761            ops.ops.push(PendingOp {
6762                id,
6763                git_status,
6764                job_status: pending_op::JobStatus::Running,
6765            });
6766            edits.push(sum_tree::Edit::Insert(ops));
6767            ids.push((id, path));
6768        }
6769        self.pending_ops.edit(edits, ());
6770        ids
6771    }
6772    pub fn default_remote_url(&self) -> Option<String> {
6773        self.remote_upstream_url
6774            .clone()
6775            .or(self.remote_origin_url.clone())
6776    }
6777}
6778
6779/// If `path` is a git linked worktree checkout, resolves it to the main
6780/// repository's working directory path. Returns `None` if `path` is a normal
6781/// repository, not a git repo, or if resolution fails.
6782///
6783/// Resolution works by:
6784/// 1. Reading the `.git` file to get the `gitdir:` pointer
6785/// 2. Following that to the worktree-specific git directory
6786/// 3. Reading the `commondir` file to find the shared `.git` directory
6787/// 4. Deriving the main repo's working directory from the common dir
6788pub async fn resolve_git_worktree_to_main_repo(fs: &dyn Fs, path: &Path) -> Option<PathBuf> {
6789    let dot_git = path.join(".git");
6790    let metadata = fs.metadata(&dot_git).await.ok()??;
6791    if metadata.is_dir {
6792        return None; // Normal repo, not a linked worktree
6793    }
6794    // It's a .git file — parse the gitdir: pointer
6795    let content = fs.load(&dot_git).await.ok()?;
6796    let gitdir_rel = content.strip_prefix("gitdir:")?.trim();
6797    let gitdir_abs = fs.canonicalize(&path.join(gitdir_rel)).await.ok()?;
6798    // Read commondir to find the main .git directory
6799    let commondir_content = fs.load(&gitdir_abs.join("commondir")).await.ok()?;
6800    let common_dir = fs
6801        .canonicalize(&gitdir_abs.join(commondir_content.trim()))
6802        .await
6803        .ok()?;
6804    Some(git::repository::original_repo_path_from_common_dir(
6805        &common_dir,
6806    ))
6807}
6808
6809/// Validates that the resolved worktree directory is acceptable:
6810/// - The setting must not be an absolute path.
6811/// - The resolved path must be either a subdirectory of the working
6812///   directory or a subdirectory of its parent (i.e., a sibling).
6813///
6814/// Returns `Ok(resolved_path)` or an error with a user-facing message.
6815pub fn worktrees_directory_for_repo(
6816    original_repo_abs_path: &Path,
6817    worktree_directory_setting: &str,
6818) -> Result<PathBuf> {
6819    // Check the original setting before trimming, since a path like "///"
6820    // is absolute but becomes "" after stripping trailing separators.
6821    // Also check for leading `/` or `\` explicitly, because on Windows
6822    // `Path::is_absolute()` requires a drive letter — so `/tmp/worktrees`
6823    // would slip through even though it's clearly not a relative path.
6824    if Path::new(worktree_directory_setting).is_absolute()
6825        || worktree_directory_setting.starts_with('/')
6826        || worktree_directory_setting.starts_with('\\')
6827    {
6828        anyhow::bail!(
6829            "git.worktree_directory must be a relative path, got: {worktree_directory_setting:?}"
6830        );
6831    }
6832
6833    if worktree_directory_setting.is_empty() {
6834        anyhow::bail!("git.worktree_directory must not be empty");
6835    }
6836
6837    let trimmed = worktree_directory_setting.trim_end_matches(['/', '\\']);
6838    if trimmed == ".." {
6839        anyhow::bail!("git.worktree_directory must not be \"..\" (use \"../some-name\" instead)");
6840    }
6841
6842    let joined = original_repo_abs_path.join(trimmed);
6843    let resolved = util::normalize_path(&joined);
6844    let resolved = if resolved.starts_with(original_repo_abs_path) {
6845        resolved
6846    } else if let Some(repo_dir_name) = original_repo_abs_path.file_name() {
6847        resolved.join(repo_dir_name)
6848    } else {
6849        resolved
6850    };
6851
6852    let parent = original_repo_abs_path
6853        .parent()
6854        .unwrap_or(original_repo_abs_path);
6855
6856    if !resolved.starts_with(parent) {
6857        anyhow::bail!(
6858            "git.worktree_directory resolved to {resolved:?}, which is outside \
6859             the project root and its parent directory. It must resolve to a \
6860             subdirectory of {original_repo_abs_path:?} or a sibling of it."
6861        );
6862    }
6863
6864    Ok(resolved)
6865}
6866
6867/// Returns a short name for a linked worktree suitable for UI display
6868///
6869/// Uses the main worktree path to come up with a short name that disambiguates
6870/// the linked worktree from the main worktree.
6871pub fn linked_worktree_short_name(
6872    main_worktree_path: &Path,
6873    linked_worktree_path: &Path,
6874) -> Option<SharedString> {
6875    if main_worktree_path == linked_worktree_path {
6876        return None;
6877    }
6878
6879    let project_name = main_worktree_path.file_name()?.to_str()?;
6880    let directory_name = linked_worktree_path.file_name()?.to_str()?;
6881    let name = if directory_name != project_name {
6882        directory_name.to_string()
6883    } else {
6884        linked_worktree_path
6885            .parent()?
6886            .file_name()?
6887            .to_str()?
6888            .to_string()
6889    };
6890    Some(name.into())
6891}
6892
6893fn get_permalink_in_rust_registry_src(
6894    provider_registry: Arc<GitHostingProviderRegistry>,
6895    path: PathBuf,
6896    selection: Range<u32>,
6897) -> Result<url::Url> {
6898    #[derive(Deserialize)]
6899    struct CargoVcsGit {
6900        sha1: String,
6901    }
6902
6903    #[derive(Deserialize)]
6904    struct CargoVcsInfo {
6905        git: CargoVcsGit,
6906        path_in_vcs: String,
6907    }
6908
6909    #[derive(Deserialize)]
6910    struct CargoPackage {
6911        repository: String,
6912    }
6913
6914    #[derive(Deserialize)]
6915    struct CargoToml {
6916        package: CargoPackage,
6917    }
6918
6919    let Some((dir, cargo_vcs_info_json)) = path.ancestors().skip(1).find_map(|dir| {
6920        let json = std::fs::read_to_string(dir.join(".cargo_vcs_info.json")).ok()?;
6921        Some((dir, json))
6922    }) else {
6923        bail!("No .cargo_vcs_info.json found in parent directories")
6924    };
6925    let cargo_vcs_info = serde_json::from_str::<CargoVcsInfo>(&cargo_vcs_info_json)?;
6926    let cargo_toml = std::fs::read_to_string(dir.join("Cargo.toml"))?;
6927    let manifest = toml::from_str::<CargoToml>(&cargo_toml)?;
6928    let (provider, remote) = parse_git_remote_url(provider_registry, &manifest.package.repository)
6929        .context("parsing package.repository field of manifest")?;
6930    let path = PathBuf::from(cargo_vcs_info.path_in_vcs).join(path.strip_prefix(dir).unwrap());
6931    let permalink = provider.build_permalink(
6932        remote,
6933        BuildPermalinkParams::new(
6934            &cargo_vcs_info.git.sha1,
6935            &RepoPath::from_rel_path(
6936                &RelPath::new(&path, PathStyle::local()).context("invalid path")?,
6937            ),
6938            Some(selection),
6939        ),
6940    );
6941    Ok(permalink)
6942}
6943
6944fn serialize_blame_buffer_response(blame: Option<git::blame::Blame>) -> proto::BlameBufferResponse {
6945    let Some(blame) = blame else {
6946        return proto::BlameBufferResponse {
6947            blame_response: None,
6948        };
6949    };
6950
6951    let entries = blame
6952        .entries
6953        .into_iter()
6954        .map(|entry| proto::BlameEntry {
6955            sha: entry.sha.as_bytes().into(),
6956            start_line: entry.range.start,
6957            end_line: entry.range.end,
6958            original_line_number: entry.original_line_number,
6959            author: entry.author,
6960            author_mail: entry.author_mail,
6961            author_time: entry.author_time,
6962            author_tz: entry.author_tz,
6963            committer: entry.committer_name,
6964            committer_mail: entry.committer_email,
6965            committer_time: entry.committer_time,
6966            committer_tz: entry.committer_tz,
6967            summary: entry.summary,
6968            previous: entry.previous,
6969            filename: entry.filename,
6970        })
6971        .collect::<Vec<_>>();
6972
6973    let messages = blame
6974        .messages
6975        .into_iter()
6976        .map(|(oid, message)| proto::CommitMessage {
6977            oid: oid.as_bytes().into(),
6978            message,
6979        })
6980        .collect::<Vec<_>>();
6981
6982    proto::BlameBufferResponse {
6983        blame_response: Some(proto::blame_buffer_response::BlameResponse { entries, messages }),
6984    }
6985}
6986
6987fn deserialize_blame_buffer_response(
6988    response: proto::BlameBufferResponse,
6989) -> Option<git::blame::Blame> {
6990    let response = response.blame_response?;
6991    let entries = response
6992        .entries
6993        .into_iter()
6994        .filter_map(|entry| {
6995            Some(git::blame::BlameEntry {
6996                sha: git::Oid::from_bytes(&entry.sha).ok()?,
6997                range: entry.start_line..entry.end_line,
6998                original_line_number: entry.original_line_number,
6999                committer_name: entry.committer,
7000                committer_time: entry.committer_time,
7001                committer_tz: entry.committer_tz,
7002                committer_email: entry.committer_mail,
7003                author: entry.author,
7004                author_mail: entry.author_mail,
7005                author_time: entry.author_time,
7006                author_tz: entry.author_tz,
7007                summary: entry.summary,
7008                previous: entry.previous,
7009                filename: entry.filename,
7010            })
7011        })
7012        .collect::<Vec<_>>();
7013
7014    let messages = response
7015        .messages
7016        .into_iter()
7017        .filter_map(|message| Some((git::Oid::from_bytes(&message.oid).ok()?, message.message)))
7018        .collect::<HashMap<_, _>>();
7019
7020    Some(Blame { entries, messages })
7021}
7022
7023fn branch_to_proto(branch: &git::repository::Branch) -> proto::Branch {
7024    proto::Branch {
7025        is_head: branch.is_head,
7026        ref_name: branch.ref_name.to_string(),
7027        unix_timestamp: branch
7028            .most_recent_commit
7029            .as_ref()
7030            .map(|commit| commit.commit_timestamp as u64),
7031        upstream: branch.upstream.as_ref().map(|upstream| proto::GitUpstream {
7032            ref_name: upstream.ref_name.to_string(),
7033            tracking: upstream
7034                .tracking
7035                .status()
7036                .map(|upstream| proto::UpstreamTracking {
7037                    ahead: upstream.ahead as u64,
7038                    behind: upstream.behind as u64,
7039                }),
7040        }),
7041        most_recent_commit: branch
7042            .most_recent_commit
7043            .as_ref()
7044            .map(|commit| proto::CommitSummary {
7045                sha: commit.sha.to_string(),
7046                subject: commit.subject.to_string(),
7047                commit_timestamp: commit.commit_timestamp,
7048                author_name: commit.author_name.to_string(),
7049            }),
7050    }
7051}
7052
7053fn worktree_to_proto(worktree: &git::repository::Worktree) -> proto::Worktree {
7054    proto::Worktree {
7055        path: worktree.path.to_string_lossy().to_string(),
7056        ref_name: worktree
7057            .ref_name
7058            .as_ref()
7059            .map(|s| s.to_string())
7060            .unwrap_or_default(),
7061        sha: worktree.sha.to_string(),
7062        is_main: worktree.is_main,
7063    }
7064}
7065
7066fn proto_to_worktree(proto: &proto::Worktree) -> git::repository::Worktree {
7067    git::repository::Worktree {
7068        path: PathBuf::from(proto.path.clone()),
7069        ref_name: Some(SharedString::from(&proto.ref_name)),
7070        sha: proto.sha.clone().into(),
7071        is_main: proto.is_main,
7072    }
7073}
7074
7075fn proto_to_branch(proto: &proto::Branch) -> git::repository::Branch {
7076    git::repository::Branch {
7077        is_head: proto.is_head,
7078        ref_name: proto.ref_name.clone().into(),
7079        upstream: proto
7080            .upstream
7081            .as_ref()
7082            .map(|upstream| git::repository::Upstream {
7083                ref_name: upstream.ref_name.to_string().into(),
7084                tracking: upstream
7085                    .tracking
7086                    .as_ref()
7087                    .map(|tracking| {
7088                        git::repository::UpstreamTracking::Tracked(UpstreamTrackingStatus {
7089                            ahead: tracking.ahead as u32,
7090                            behind: tracking.behind as u32,
7091                        })
7092                    })
7093                    .unwrap_or(git::repository::UpstreamTracking::Gone),
7094            }),
7095        most_recent_commit: proto.most_recent_commit.as_ref().map(|commit| {
7096            git::repository::CommitSummary {
7097                sha: commit.sha.to_string().into(),
7098                subject: commit.subject.to_string().into(),
7099                commit_timestamp: commit.commit_timestamp,
7100                author_name: commit.author_name.to_string().into(),
7101                has_parent: true,
7102            }
7103        }),
7104    }
7105}
7106
7107fn commit_details_to_proto(commit: &CommitDetails) -> proto::GitCommitDetails {
7108    proto::GitCommitDetails {
7109        sha: commit.sha.to_string(),
7110        message: commit.message.to_string(),
7111        commit_timestamp: commit.commit_timestamp,
7112        author_email: commit.author_email.to_string(),
7113        author_name: commit.author_name.to_string(),
7114    }
7115}
7116
7117fn proto_to_commit_details(proto: &proto::GitCommitDetails) -> CommitDetails {
7118    CommitDetails {
7119        sha: proto.sha.clone().into(),
7120        message: proto.message.clone().into(),
7121        commit_timestamp: proto.commit_timestamp,
7122        author_email: proto.author_email.clone().into(),
7123        author_name: proto.author_name.clone().into(),
7124    }
7125}
7126
7127/// This snapshot computes the repository state on the foreground thread while
7128/// running the git commands on the background thread. We update branch, head,
7129/// remotes, and worktrees first so the UI can react sooner, then compute file
7130/// state and emit those events immediately after.
7131async fn compute_snapshot(
7132    this: Entity<Repository>,
7133    backend: Arc<dyn GitRepository>,
7134    cx: &mut AsyncApp,
7135) -> Result<RepositorySnapshot> {
7136    let (id, work_directory_abs_path, prev_snapshot) = this.update(cx, |this, _| {
7137        this.paths_needing_status_update.clear();
7138        (
7139            this.id,
7140            this.work_directory_abs_path.clone(),
7141            this.snapshot.clone(),
7142        )
7143    });
7144
7145    let head_commit_future = {
7146        let backend = backend.clone();
7147        async move {
7148            Ok(match backend.head_sha().await {
7149                Some(head_sha) => backend.show(head_sha).await.log_err(),
7150                None => None,
7151            })
7152        }
7153    };
7154    let (branches, head_commit, all_worktrees) = cx
7155        .background_spawn({
7156            let backend = backend.clone();
7157            async move {
7158                futures::future::try_join3(
7159                    backend.branches(),
7160                    head_commit_future,
7161                    backend.worktrees(),
7162                )
7163                .await
7164            }
7165        })
7166        .await?;
7167    let branch = branches.into_iter().find(|branch| branch.is_head);
7168
7169    let linked_worktrees: Arc<[GitWorktree]> = all_worktrees
7170        .into_iter()
7171        .filter(|wt| wt.path != *work_directory_abs_path)
7172        .collect();
7173
7174    let (remote_origin_url, remote_upstream_url) = cx
7175        .background_spawn({
7176            let backend = backend.clone();
7177            async move {
7178                Ok::<_, anyhow::Error>(
7179                    futures::future::join(
7180                        backend.remote_url("origin"),
7181                        backend.remote_url("upstream"),
7182                    )
7183                    .await,
7184                )
7185            }
7186        })
7187        .await?;
7188
7189    let snapshot = this.update(cx, |this, cx| {
7190        let branch_changed =
7191            branch != this.snapshot.branch || head_commit != this.snapshot.head_commit;
7192        let worktrees_changed = *linked_worktrees != *this.snapshot.linked_worktrees;
7193
7194        this.snapshot = RepositorySnapshot {
7195            id,
7196            work_directory_abs_path,
7197            branch,
7198            head_commit,
7199            remote_origin_url,
7200            remote_upstream_url,
7201            linked_worktrees,
7202            scan_id: prev_snapshot.scan_id + 1,
7203            ..prev_snapshot
7204        };
7205
7206        if branch_changed {
7207            cx.emit(RepositoryEvent::BranchChanged);
7208        }
7209
7210        if worktrees_changed {
7211            cx.emit(RepositoryEvent::GitWorktreeListChanged);
7212        }
7213
7214        this.snapshot.clone()
7215    });
7216
7217    let (statuses, diff_stats, stash_entries) = cx
7218        .background_spawn({
7219            let backend = backend.clone();
7220            let snapshot = snapshot.clone();
7221            async move {
7222                let diff_stat_future: BoxFuture<'_, Result<status::GitDiffStat>> =
7223                    if snapshot.head_commit.is_some() {
7224                        backend.diff_stat(&[])
7225                    } else {
7226                        future::ready(Ok(status::GitDiffStat {
7227                            entries: Arc::default(),
7228                        }))
7229                        .boxed()
7230                    };
7231                futures::future::try_join3(
7232                    backend.status(&[RepoPath::from_rel_path(
7233                        &RelPath::new(".".as_ref(), PathStyle::local()).unwrap(),
7234                    )]),
7235                    diff_stat_future,
7236                    backend.stash_entries(),
7237                )
7238                .await
7239            }
7240        })
7241        .await?;
7242
7243    let diff_stat_map: HashMap<&RepoPath, DiffStat> =
7244        diff_stats.entries.iter().map(|(p, s)| (p, *s)).collect();
7245    let mut conflicted_paths = Vec::new();
7246    let statuses_by_path = SumTree::from_iter(
7247        statuses.entries.iter().map(|(repo_path, status)| {
7248            if status.is_conflicted() {
7249                conflicted_paths.push(repo_path.clone());
7250            }
7251            StatusEntry {
7252                repo_path: repo_path.clone(),
7253                status: *status,
7254                diff_stat: diff_stat_map.get(repo_path).copied(),
7255            }
7256        }),
7257        (),
7258    );
7259
7260    let merge_details = cx
7261        .background_spawn({
7262            let backend = backend.clone();
7263            let mut merge_details = snapshot.merge.clone();
7264            async move {
7265                let conflicts_changed = merge_details.update(&backend, conflicted_paths).await?;
7266                Ok::<_, anyhow::Error>((merge_details, conflicts_changed))
7267            }
7268        })
7269        .await?;
7270    let (merge_details, conflicts_changed) = merge_details;
7271    log::debug!("new merge details: {merge_details:?}");
7272
7273    Ok(this.update(cx, |this, cx| {
7274        if conflicts_changed || statuses_by_path != this.snapshot.statuses_by_path {
7275            cx.emit(RepositoryEvent::StatusesChanged);
7276        }
7277        if stash_entries != this.snapshot.stash_entries {
7278            cx.emit(RepositoryEvent::StashEntriesChanged);
7279        }
7280
7281        this.snapshot.scan_id += 1;
7282        this.snapshot.merge = merge_details;
7283        this.snapshot.statuses_by_path = statuses_by_path;
7284        this.snapshot.stash_entries = stash_entries;
7285
7286        this.snapshot.clone()
7287    }))
7288}
7289
7290fn status_from_proto(
7291    simple_status: i32,
7292    status: Option<proto::GitFileStatus>,
7293) -> anyhow::Result<FileStatus> {
7294    use proto::git_file_status::Variant;
7295
7296    let Some(variant) = status.and_then(|status| status.variant) else {
7297        let code = proto::GitStatus::from_i32(simple_status)
7298            .with_context(|| format!("Invalid git status code: {simple_status}"))?;
7299        let result = match code {
7300            proto::GitStatus::Added => TrackedStatus {
7301                worktree_status: StatusCode::Added,
7302                index_status: StatusCode::Unmodified,
7303            }
7304            .into(),
7305            proto::GitStatus::Modified => TrackedStatus {
7306                worktree_status: StatusCode::Modified,
7307                index_status: StatusCode::Unmodified,
7308            }
7309            .into(),
7310            proto::GitStatus::Conflict => UnmergedStatus {
7311                first_head: UnmergedStatusCode::Updated,
7312                second_head: UnmergedStatusCode::Updated,
7313            }
7314            .into(),
7315            proto::GitStatus::Deleted => TrackedStatus {
7316                worktree_status: StatusCode::Deleted,
7317                index_status: StatusCode::Unmodified,
7318            }
7319            .into(),
7320            _ => anyhow::bail!("Invalid code for simple status: {simple_status}"),
7321        };
7322        return Ok(result);
7323    };
7324
7325    let result = match variant {
7326        Variant::Untracked(_) => FileStatus::Untracked,
7327        Variant::Ignored(_) => FileStatus::Ignored,
7328        Variant::Unmerged(unmerged) => {
7329            let [first_head, second_head] =
7330                [unmerged.first_head, unmerged.second_head].map(|head| {
7331                    let code = proto::GitStatus::from_i32(head)
7332                        .with_context(|| format!("Invalid git status code: {head}"))?;
7333                    let result = match code {
7334                        proto::GitStatus::Added => UnmergedStatusCode::Added,
7335                        proto::GitStatus::Updated => UnmergedStatusCode::Updated,
7336                        proto::GitStatus::Deleted => UnmergedStatusCode::Deleted,
7337                        _ => anyhow::bail!("Invalid code for unmerged status: {code:?}"),
7338                    };
7339                    Ok(result)
7340                });
7341            let [first_head, second_head] = [first_head?, second_head?];
7342            UnmergedStatus {
7343                first_head,
7344                second_head,
7345            }
7346            .into()
7347        }
7348        Variant::Tracked(tracked) => {
7349            let [index_status, worktree_status] = [tracked.index_status, tracked.worktree_status]
7350                .map(|status| {
7351                    let code = proto::GitStatus::from_i32(status)
7352                        .with_context(|| format!("Invalid git status code: {status}"))?;
7353                    let result = match code {
7354                        proto::GitStatus::Modified => StatusCode::Modified,
7355                        proto::GitStatus::TypeChanged => StatusCode::TypeChanged,
7356                        proto::GitStatus::Added => StatusCode::Added,
7357                        proto::GitStatus::Deleted => StatusCode::Deleted,
7358                        proto::GitStatus::Renamed => StatusCode::Renamed,
7359                        proto::GitStatus::Copied => StatusCode::Copied,
7360                        proto::GitStatus::Unmodified => StatusCode::Unmodified,
7361                        _ => anyhow::bail!("Invalid code for tracked status: {code:?}"),
7362                    };
7363                    Ok(result)
7364                });
7365            let [index_status, worktree_status] = [index_status?, worktree_status?];
7366            TrackedStatus {
7367                index_status,
7368                worktree_status,
7369            }
7370            .into()
7371        }
7372    };
7373    Ok(result)
7374}
7375
7376fn status_to_proto(status: FileStatus) -> proto::GitFileStatus {
7377    use proto::git_file_status::{Tracked, Unmerged, Variant};
7378
7379    let variant = match status {
7380        FileStatus::Untracked => Variant::Untracked(Default::default()),
7381        FileStatus::Ignored => Variant::Ignored(Default::default()),
7382        FileStatus::Unmerged(UnmergedStatus {
7383            first_head,
7384            second_head,
7385        }) => Variant::Unmerged(Unmerged {
7386            first_head: unmerged_status_to_proto(first_head),
7387            second_head: unmerged_status_to_proto(second_head),
7388        }),
7389        FileStatus::Tracked(TrackedStatus {
7390            index_status,
7391            worktree_status,
7392        }) => Variant::Tracked(Tracked {
7393            index_status: tracked_status_to_proto(index_status),
7394            worktree_status: tracked_status_to_proto(worktree_status),
7395        }),
7396    };
7397    proto::GitFileStatus {
7398        variant: Some(variant),
7399    }
7400}
7401
7402fn unmerged_status_to_proto(code: UnmergedStatusCode) -> i32 {
7403    match code {
7404        UnmergedStatusCode::Added => proto::GitStatus::Added as _,
7405        UnmergedStatusCode::Deleted => proto::GitStatus::Deleted as _,
7406        UnmergedStatusCode::Updated => proto::GitStatus::Updated as _,
7407    }
7408}
7409
7410fn tracked_status_to_proto(code: StatusCode) -> i32 {
7411    match code {
7412        StatusCode::Added => proto::GitStatus::Added as _,
7413        StatusCode::Deleted => proto::GitStatus::Deleted as _,
7414        StatusCode::Modified => proto::GitStatus::Modified as _,
7415        StatusCode::Renamed => proto::GitStatus::Renamed as _,
7416        StatusCode::TypeChanged => proto::GitStatus::TypeChanged as _,
7417        StatusCode::Copied => proto::GitStatus::Copied as _,
7418        StatusCode::Unmodified => proto::GitStatus::Unmodified as _,
7419    }
7420}