1use crate::askpass_modal::AskPassModal;
   2use crate::commit_modal::CommitModal;
   3use crate::git_panel_settings::StatusStyle;
   4use crate::project_diff::Diff;
   5use crate::remote_output::{self, RemoteAction, SuccessMessage};
   6use crate::repository_selector::filtered_repository_entries;
   7use crate::{branch_picker, render_remote_button};
   8use crate::{
   9    git_panel_settings::GitPanelSettings, git_status_icon, repository_selector::RepositorySelector,
  10};
  11use crate::{picker_prompt, project_diff, ProjectDiff};
  12use anyhow::Result;
  13use askpass::AskPassDelegate;
  14use assistant_settings::AssistantSettings;
  15use db::kvp::KEY_VALUE_STORE;
  16use editor::commit_tooltip::CommitTooltip;
  17
  18use editor::{
  19    scroll::ScrollbarAutoHide, Editor, EditorElement, EditorMode, EditorSettings, MultiBuffer,
  20    ShowScrollbar,
  21};
  22use futures::StreamExt as _;
  23use git::repository::{
  24    Branch, CommitDetails, CommitSummary, DiffType, PushOptions, Remote, RemoteCommandOutput,
  25    ResetMode, Upstream, UpstreamTracking, UpstreamTrackingStatus,
  26};
  27use git::status::StageStatus;
  28use git::{repository::RepoPath, status::FileStatus, Commit, ToggleStaged};
  29use git::{ExpandCommitEditor, RestoreTrackedFiles, StageAll, TrashUntrackedFiles, UnstageAll};
  30use gpui::{
  31    actions, anchored, deferred, percentage, uniform_list, Action, Animation, AnimationExt as _,
  32    Axis, ClickEvent, Corner, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable,
  33    KeyContext, ListHorizontalSizingBehavior, ListSizingBehavior, Modifiers, ModifiersChangedEvent,
  34    MouseButton, MouseDownEvent, Point, PromptLevel, ScrollStrategy, Subscription, Task,
  35    Transformation, UniformListScrollHandle, WeakEntity,
  36};
  37use itertools::Itertools;
  38use language::{Buffer, File};
  39use language_model::{
  40    LanguageModel, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage, Role,
  41};
  42use menu::{Confirm, SecondaryConfirm, SelectFirst, SelectLast, SelectNext, SelectPrevious};
  43use multi_buffer::ExcerptInfo;
  44use panel::{
  45    panel_button, panel_editor_container, panel_editor_style, panel_filled_button,
  46    panel_icon_button, PanelHeader,
  47};
  48use project::{
  49    git::{GitEvent, Repository},
  50    Fs, Project, ProjectPath,
  51};
  52use serde::{Deserialize, Serialize};
  53use settings::{Settings as _, SettingsStore};
  54use std::cell::RefCell;
  55use std::future::Future;
  56use std::path::{Path, PathBuf};
  57use std::rc::Rc;
  58use std::{collections::HashSet, sync::Arc, time::Duration, usize};
  59use strum::{IntoEnumIterator, VariantNames};
  60use time::OffsetDateTime;
  61use ui::{
  62    prelude::*, Checkbox, ContextMenu, ElevationIndex, PopoverMenu, Scrollbar, ScrollbarState,
  63    Tooltip,
  64};
  65use util::{maybe, post_inc, ResultExt, TryFutureExt};
  66use workspace::{AppState, OpenOptions, OpenVisible};
  67
  68use notifications::status_toast::{StatusToast, ToastIcon};
  69use workspace::{
  70    dock::{DockPosition, Panel, PanelEvent},
  71    notifications::DetachAndPromptErr,
  72    Workspace,
  73};
  74
  75actions!(
  76    git_panel,
  77    [
  78        Close,
  79        ToggleFocus,
  80        OpenMenu,
  81        FocusEditor,
  82        FocusChanges,
  83        ToggleFillCoAuthors,
  84        GenerateCommitMessage
  85    ]
  86);
  87
  88fn prompt<T>(
  89    msg: &str,
  90    detail: Option<&str>,
  91    window: &mut Window,
  92    cx: &mut App,
  93) -> Task<anyhow::Result<T>>
  94where
  95    T: IntoEnumIterator + VariantNames + 'static,
  96{
  97    let rx = window.prompt(PromptLevel::Info, msg, detail, &T::VARIANTS, cx);
  98    cx.spawn(|_| async move { Ok(T::iter().nth(rx.await?).unwrap()) })
  99}
 100
 101#[derive(strum::EnumIter, strum::VariantNames)]
 102#[strum(serialize_all = "title_case")]
 103enum TrashCancel {
 104    Trash,
 105    Cancel,
 106}
 107
 108fn git_panel_context_menu(
 109    focus_handle: FocusHandle,
 110    window: &mut Window,
 111    cx: &mut App,
 112) -> Entity<ContextMenu> {
 113    ContextMenu::build(window, cx, |context_menu, _, _| {
 114        context_menu
 115            .context(focus_handle)
 116            .action("Stage All", StageAll.boxed_clone())
 117            .action("Unstage All", UnstageAll.boxed_clone())
 118            .separator()
 119            .action("Open Diff", project_diff::Diff.boxed_clone())
 120            .separator()
 121            .action("Discard Tracked Changes", RestoreTrackedFiles.boxed_clone())
 122            .action("Trash Untracked Files", TrashUntrackedFiles.boxed_clone())
 123    })
 124}
 125
 126const GIT_PANEL_KEY: &str = "GitPanel";
 127
 128const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
 129
 130pub fn register(workspace: &mut Workspace) {
 131    workspace.register_action(|workspace, _: &ToggleFocus, window, cx| {
 132        workspace.toggle_panel_focus::<GitPanel>(window, cx);
 133    });
 134    workspace.register_action(|workspace, _: &ExpandCommitEditor, window, cx| {
 135        CommitModal::toggle(workspace, window, cx)
 136    });
 137}
 138
 139#[derive(Debug, Clone)]
 140pub enum Event {
 141    Focus,
 142}
 143
 144#[derive(Serialize, Deserialize)]
 145struct SerializedGitPanel {
 146    width: Option<Pixels>,
 147}
 148
 149#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 150enum Section {
 151    Conflict,
 152    Tracked,
 153    New,
 154}
 155
 156#[derive(Debug, PartialEq, Eq, Clone)]
 157struct GitHeaderEntry {
 158    header: Section,
 159}
 160
 161impl GitHeaderEntry {
 162    pub fn contains(&self, status_entry: &GitStatusEntry, repo: &Repository) -> bool {
 163        let this = &self.header;
 164        let status = status_entry.status;
 165        match this {
 166            Section::Conflict => repo.has_conflict(&status_entry.repo_path),
 167            Section::Tracked => !status.is_created(),
 168            Section::New => status.is_created(),
 169        }
 170    }
 171    pub fn title(&self) -> &'static str {
 172        match self.header {
 173            Section::Conflict => "Conflicts",
 174            Section::Tracked => "Tracked",
 175            Section::New => "Untracked",
 176        }
 177    }
 178}
 179
 180#[derive(Debug, PartialEq, Eq, Clone)]
 181enum GitListEntry {
 182    GitStatusEntry(GitStatusEntry),
 183    Header(GitHeaderEntry),
 184}
 185
 186impl GitListEntry {
 187    fn status_entry(&self) -> Option<&GitStatusEntry> {
 188        match self {
 189            GitListEntry::GitStatusEntry(entry) => Some(entry),
 190            _ => None,
 191        }
 192    }
 193}
 194
 195#[derive(Debug, PartialEq, Eq, Clone)]
 196pub struct GitStatusEntry {
 197    pub(crate) repo_path: RepoPath,
 198    pub(crate) worktree_path: Arc<Path>,
 199    pub(crate) abs_path: PathBuf,
 200    pub(crate) status: FileStatus,
 201    pub(crate) staging: StageStatus,
 202}
 203
 204impl GitStatusEntry {
 205    fn display_name(&self) -> String {
 206        self.worktree_path
 207            .file_name()
 208            .map(|name| name.to_string_lossy().into_owned())
 209            .unwrap_or_else(|| self.worktree_path.to_string_lossy().into_owned())
 210    }
 211
 212    fn parent_dir(&self) -> Option<String> {
 213        self.worktree_path
 214            .parent()
 215            .map(|parent| parent.to_string_lossy().into_owned())
 216    }
 217}
 218
 219#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 220enum TargetStatus {
 221    Staged,
 222    Unstaged,
 223    Reverted,
 224    Unchanged,
 225}
 226
 227struct PendingOperation {
 228    finished: bool,
 229    target_status: TargetStatus,
 230    entries: Vec<GitStatusEntry>,
 231    op_id: usize,
 232}
 233
 234type RemoteOperations = Rc<RefCell<HashSet<u32>>>;
 235
 236// computed state related to how to render scrollbars
 237// one per axis
 238// on render we just read this off the panel
 239// we update it when
 240// - settings change
 241// - on focus in, on focus out, on hover, etc.
 242#[derive(Debug)]
 243struct ScrollbarProperties {
 244    axis: Axis,
 245    show_scrollbar: bool,
 246    show_track: bool,
 247    auto_hide: bool,
 248    hide_task: Option<Task<()>>,
 249    state: ScrollbarState,
 250}
 251
 252impl ScrollbarProperties {
 253    // Shows the scrollbar and cancels any pending hide task
 254    fn show(&mut self, cx: &mut Context<GitPanel>) {
 255        if !self.auto_hide {
 256            return;
 257        }
 258        self.show_scrollbar = true;
 259        self.hide_task.take();
 260        cx.notify();
 261    }
 262
 263    fn hide(&mut self, window: &mut Window, cx: &mut Context<GitPanel>) {
 264        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
 265
 266        if !self.auto_hide {
 267            return;
 268        }
 269
 270        let axis = self.axis;
 271        self.hide_task = Some(cx.spawn_in(window, |panel, mut cx| async move {
 272            cx.background_executor()
 273                .timer(SCROLLBAR_SHOW_INTERVAL)
 274                .await;
 275
 276            if let Some(panel) = panel.upgrade() {
 277                panel
 278                    .update(&mut cx, |panel, cx| {
 279                        match axis {
 280                            Axis::Vertical => panel.vertical_scrollbar.show_scrollbar = false,
 281                            Axis::Horizontal => panel.horizontal_scrollbar.show_scrollbar = false,
 282                        }
 283                        cx.notify();
 284                    })
 285                    .log_err();
 286            }
 287        }));
 288    }
 289}
 290
 291pub struct GitPanel {
 292    remote_operation_id: u32,
 293    pending_remote_operations: RemoteOperations,
 294    pub(crate) active_repository: Option<Entity<Repository>>,
 295    pub(crate) commit_editor: Entity<Editor>,
 296    conflicted_count: usize,
 297    conflicted_staged_count: usize,
 298    current_modifiers: Modifiers,
 299    add_coauthors: bool,
 300    generate_commit_message_task: Option<Task<Option<()>>>,
 301    entries: Vec<GitListEntry>,
 302    single_staged_entry: Option<GitStatusEntry>,
 303    single_tracked_entry: Option<GitStatusEntry>,
 304    focus_handle: FocusHandle,
 305    fs: Arc<dyn Fs>,
 306    horizontal_scrollbar: ScrollbarProperties,
 307    vertical_scrollbar: ScrollbarProperties,
 308    new_count: usize,
 309    entry_count: usize,
 310    new_staged_count: usize,
 311    pending: Vec<PendingOperation>,
 312    pending_commit: Option<Task<()>>,
 313    pending_serialization: Task<Option<()>>,
 314    pub(crate) project: Entity<Project>,
 315    scroll_handle: UniformListScrollHandle,
 316    max_width_item_index: Option<usize>,
 317    selected_entry: Option<usize>,
 318    marked_entries: Vec<usize>,
 319    tracked_count: usize,
 320    tracked_staged_count: usize,
 321    update_visible_entries_task: Task<()>,
 322    width: Option<Pixels>,
 323    workspace: WeakEntity<Workspace>,
 324    context_menu: Option<(Entity<ContextMenu>, Point<Pixels>, Subscription)>,
 325    modal_open: bool,
 326    _settings_subscription: Subscription,
 327}
 328
 329struct RemoteOperationGuard {
 330    id: u32,
 331    pending_remote_operations: RemoteOperations,
 332}
 333
 334impl Drop for RemoteOperationGuard {
 335    fn drop(&mut self) {
 336        self.pending_remote_operations.borrow_mut().remove(&self.id);
 337    }
 338}
 339
 340const MAX_PANEL_EDITOR_LINES: usize = 6;
 341
 342pub(crate) fn commit_message_editor(
 343    commit_message_buffer: Entity<Buffer>,
 344    placeholder: Option<&str>,
 345    project: Entity<Project>,
 346    in_panel: bool,
 347    window: &mut Window,
 348    cx: &mut Context<'_, Editor>,
 349) -> Editor {
 350    let buffer = cx.new(|cx| MultiBuffer::singleton(commit_message_buffer, cx));
 351    let max_lines = if in_panel { MAX_PANEL_EDITOR_LINES } else { 18 };
 352    let mut commit_editor = Editor::new(
 353        EditorMode::AutoHeight { max_lines },
 354        buffer,
 355        None,
 356        window,
 357        cx,
 358    );
 359    commit_editor.set_collaboration_hub(Box::new(project));
 360    commit_editor.set_use_autoclose(false);
 361    commit_editor.set_show_gutter(false, cx);
 362    commit_editor.set_show_wrap_guides(false, cx);
 363    commit_editor.set_show_indent_guides(false, cx);
 364    commit_editor.set_hard_wrap(Some(72), cx);
 365    let placeholder = placeholder.unwrap_or("Enter commit message");
 366    commit_editor.set_placeholder_text(placeholder, cx);
 367    commit_editor
 368}
 369
 370impl GitPanel {
 371    pub fn new(
 372        workspace: Entity<Workspace>,
 373        project: Entity<Project>,
 374        app_state: Arc<AppState>,
 375        window: &mut Window,
 376        cx: &mut Context<Self>,
 377    ) -> Self {
 378        let fs = app_state.fs.clone();
 379        let git_store = project.read(cx).git_store().clone();
 380        let active_repository = project.read(cx).active_repository(cx);
 381        let workspace = workspace.downgrade();
 382
 383        let focus_handle = cx.focus_handle();
 384        cx.on_focus(&focus_handle, window, Self::focus_in).detach();
 385        cx.on_focus_out(&focus_handle, window, |this, _, window, cx| {
 386            this.hide_scrollbars(window, cx);
 387        })
 388        .detach();
 389
 390        // just to let us render a placeholder editor.
 391        // Once the active git repo is set, this buffer will be replaced.
 392        let temporary_buffer = cx.new(|cx| Buffer::local("", cx));
 393        let commit_editor = cx.new(|cx| {
 394            commit_message_editor(temporary_buffer, None, project.clone(), true, window, cx)
 395        });
 396
 397        commit_editor.update(cx, |editor, cx| {
 398            editor.clear(window, cx);
 399        });
 400
 401        let scroll_handle = UniformListScrollHandle::new();
 402
 403        cx.subscribe_in(
 404            &git_store,
 405            window,
 406            move |this, git_store, event, window, cx| match event {
 407                GitEvent::FileSystemUpdated => {
 408                    this.schedule_update(false, window, cx);
 409                }
 410                GitEvent::ActiveRepositoryChanged | GitEvent::GitStateUpdated => {
 411                    this.active_repository = git_store.read(cx).active_repository();
 412                    this.schedule_update(true, window, cx);
 413                }
 414                GitEvent::IndexWriteError(error) => {
 415                    this.workspace
 416                        .update(cx, |workspace, cx| {
 417                            workspace.show_error(error, cx);
 418                        })
 419                        .ok();
 420                }
 421            },
 422        )
 423        .detach();
 424
 425        let vertical_scrollbar = ScrollbarProperties {
 426            axis: Axis::Vertical,
 427            state: ScrollbarState::new(scroll_handle.clone()).parent_entity(&cx.entity()),
 428            show_scrollbar: false,
 429            show_track: false,
 430            auto_hide: false,
 431            hide_task: None,
 432        };
 433
 434        let horizontal_scrollbar = ScrollbarProperties {
 435            axis: Axis::Horizontal,
 436            state: ScrollbarState::new(scroll_handle.clone()).parent_entity(&cx.entity()),
 437            show_scrollbar: false,
 438            show_track: false,
 439            auto_hide: false,
 440            hide_task: None,
 441        };
 442
 443        let mut assistant_enabled = AssistantSettings::get_global(cx).enabled;
 444        let _settings_subscription = cx.observe_global::<SettingsStore>(move |_, cx| {
 445            if assistant_enabled != AssistantSettings::get_global(cx).enabled {
 446                assistant_enabled = AssistantSettings::get_global(cx).enabled;
 447                cx.notify();
 448            }
 449        });
 450
 451        let mut git_panel = Self {
 452            pending_remote_operations: Default::default(),
 453            remote_operation_id: 0,
 454            active_repository,
 455            commit_editor,
 456            conflicted_count: 0,
 457            conflicted_staged_count: 0,
 458            current_modifiers: window.modifiers(),
 459            add_coauthors: true,
 460            generate_commit_message_task: None,
 461            entries: Vec::new(),
 462            focus_handle: cx.focus_handle(),
 463            fs,
 464            new_count: 0,
 465            new_staged_count: 0,
 466            pending: Vec::new(),
 467            pending_commit: None,
 468            pending_serialization: Task::ready(None),
 469            single_staged_entry: None,
 470            single_tracked_entry: None,
 471            project,
 472            scroll_handle,
 473            max_width_item_index: None,
 474            selected_entry: None,
 475            marked_entries: Vec::new(),
 476            tracked_count: 0,
 477            tracked_staged_count: 0,
 478            update_visible_entries_task: Task::ready(()),
 479            width: None,
 480            context_menu: None,
 481            workspace,
 482            modal_open: false,
 483            entry_count: 0,
 484            horizontal_scrollbar,
 485            vertical_scrollbar,
 486            _settings_subscription,
 487        };
 488        git_panel.schedule_update(false, window, cx);
 489        git_panel
 490    }
 491
 492    fn hide_scrollbars(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 493        self.horizontal_scrollbar.hide(window, cx);
 494        self.vertical_scrollbar.hide(window, cx);
 495    }
 496
 497    fn update_scrollbar_properties(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
 498        // TODO: This PR should have defined Editor's `scrollbar.axis`
 499        // as an Option<ScrollbarAxis>, not a ScrollbarAxes as it would allow you to
 500        // `.unwrap_or(EditorSettings::get_global(cx).scrollbar.show)`.
 501        //
 502        // Once this is fixed we can extend the GitPanelSettings with a `scrollbar.axis`
 503        // so we can show each axis based on the settings.
 504        //
 505        // We should fix this. PR: https://github.com/zed-industries/zed/pull/19495
 506
 507        let show_setting = GitPanelSettings::get_global(cx)
 508            .scrollbar
 509            .show
 510            .unwrap_or(EditorSettings::get_global(cx).scrollbar.show);
 511
 512        let scroll_handle = self.scroll_handle.0.borrow();
 513
 514        let autohide = |show: ShowScrollbar, cx: &mut Context<Self>| match show {
 515            ShowScrollbar::Auto => true,
 516            ShowScrollbar::System => cx
 517                .try_global::<ScrollbarAutoHide>()
 518                .map_or_else(|| cx.should_auto_hide_scrollbars(), |autohide| autohide.0),
 519            ShowScrollbar::Always => false,
 520            ShowScrollbar::Never => false,
 521        };
 522
 523        let longest_item_width = scroll_handle.last_item_size.and_then(|size| {
 524            (size.contents.width > size.item.width).then_some(size.contents.width)
 525        });
 526
 527        // is there an item long enough that we should show a horizontal scrollbar?
 528        let item_wider_than_container = if let Some(longest_item_width) = longest_item_width {
 529            longest_item_width > px(scroll_handle.base_handle.bounds().size.width.0)
 530        } else {
 531            true
 532        };
 533
 534        let show_horizontal = match (show_setting, item_wider_than_container) {
 535            (_, false) => false,
 536            (ShowScrollbar::Auto | ShowScrollbar::System | ShowScrollbar::Always, true) => true,
 537            (ShowScrollbar::Never, true) => false,
 538        };
 539
 540        let show_vertical = match show_setting {
 541            ShowScrollbar::Auto | ShowScrollbar::System | ShowScrollbar::Always => true,
 542            ShowScrollbar::Never => false,
 543        };
 544
 545        let show_horizontal_track =
 546            show_horizontal && matches!(show_setting, ShowScrollbar::Always);
 547
 548        // TODO: we probably should hide the scroll track when the list doesn't need to scroll
 549        let show_vertical_track = show_vertical && matches!(show_setting, ShowScrollbar::Always);
 550
 551        self.vertical_scrollbar = ScrollbarProperties {
 552            axis: self.vertical_scrollbar.axis,
 553            state: self.vertical_scrollbar.state.clone(),
 554            show_scrollbar: show_vertical,
 555            show_track: show_vertical_track,
 556            auto_hide: autohide(show_setting, cx),
 557            hide_task: None,
 558        };
 559
 560        self.horizontal_scrollbar = ScrollbarProperties {
 561            axis: self.horizontal_scrollbar.axis,
 562            state: self.horizontal_scrollbar.state.clone(),
 563            show_scrollbar: show_horizontal,
 564            show_track: show_horizontal_track,
 565            auto_hide: autohide(show_setting, cx),
 566            hide_task: None,
 567        };
 568
 569        cx.notify();
 570    }
 571
 572    pub fn entry_by_path(&self, path: &RepoPath) -> Option<usize> {
 573        fn binary_search<F>(mut low: usize, mut high: usize, is_target: F) -> Option<usize>
 574        where
 575            F: Fn(usize) -> std::cmp::Ordering,
 576        {
 577            while low < high {
 578                let mid = low + (high - low) / 2;
 579                match is_target(mid) {
 580                    std::cmp::Ordering::Equal => return Some(mid),
 581                    std::cmp::Ordering::Less => low = mid + 1,
 582                    std::cmp::Ordering::Greater => high = mid,
 583                }
 584            }
 585            None
 586        }
 587        if self.conflicted_count > 0 {
 588            let conflicted_start = 1;
 589            if let Some(ix) = binary_search(
 590                conflicted_start,
 591                conflicted_start + self.conflicted_count,
 592                |ix| {
 593                    self.entries[ix]
 594                        .status_entry()
 595                        .unwrap()
 596                        .repo_path
 597                        .cmp(&path)
 598                },
 599            ) {
 600                return Some(ix);
 601            }
 602        }
 603        if self.tracked_count > 0 {
 604            let tracked_start = if self.conflicted_count > 0 {
 605                1 + self.conflicted_count
 606            } else {
 607                0
 608            } + 1;
 609            if let Some(ix) =
 610                binary_search(tracked_start, tracked_start + self.tracked_count, |ix| {
 611                    self.entries[ix]
 612                        .status_entry()
 613                        .unwrap()
 614                        .repo_path
 615                        .cmp(&path)
 616                })
 617            {
 618                return Some(ix);
 619            }
 620        }
 621        if self.new_count > 0 {
 622            let untracked_start = if self.conflicted_count > 0 {
 623                1 + self.conflicted_count
 624            } else {
 625                0
 626            } + if self.tracked_count > 0 {
 627                1 + self.tracked_count
 628            } else {
 629                0
 630            } + 1;
 631            if let Some(ix) =
 632                binary_search(untracked_start, untracked_start + self.new_count, |ix| {
 633                    self.entries[ix]
 634                        .status_entry()
 635                        .unwrap()
 636                        .repo_path
 637                        .cmp(&path)
 638                })
 639            {
 640                return Some(ix);
 641            }
 642        }
 643        None
 644    }
 645
 646    pub fn select_entry_by_path(
 647        &mut self,
 648        path: ProjectPath,
 649        _: &mut Window,
 650        cx: &mut Context<Self>,
 651    ) {
 652        let Some(git_repo) = self.active_repository.as_ref() else {
 653            return;
 654        };
 655        let Some(repo_path) = git_repo.read(cx).project_path_to_repo_path(&path) else {
 656            return;
 657        };
 658        let Some(ix) = self.entry_by_path(&repo_path) else {
 659            return;
 660        };
 661        self.selected_entry = Some(ix);
 662        cx.notify();
 663    }
 664
 665    fn start_remote_operation(&mut self) -> RemoteOperationGuard {
 666        let id = post_inc(&mut self.remote_operation_id);
 667        self.pending_remote_operations.borrow_mut().insert(id);
 668
 669        RemoteOperationGuard {
 670            id,
 671            pending_remote_operations: self.pending_remote_operations.clone(),
 672        }
 673    }
 674
 675    fn serialize(&mut self, cx: &mut Context<Self>) {
 676        let width = self.width;
 677        self.pending_serialization = cx.background_spawn(
 678            async move {
 679                KEY_VALUE_STORE
 680                    .write_kvp(
 681                        GIT_PANEL_KEY.into(),
 682                        serde_json::to_string(&SerializedGitPanel { width })?,
 683                    )
 684                    .await?;
 685                anyhow::Ok(())
 686            }
 687            .log_err(),
 688        );
 689    }
 690
 691    pub(crate) fn set_modal_open(&mut self, open: bool, cx: &mut Context<Self>) {
 692        self.modal_open = open;
 693        cx.notify();
 694    }
 695
 696    fn dispatch_context(&self, window: &mut Window, cx: &Context<Self>) -> KeyContext {
 697        let mut dispatch_context = KeyContext::new_with_defaults();
 698        dispatch_context.add("GitPanel");
 699
 700        if window
 701            .focused(cx)
 702            .map_or(false, |focused| self.focus_handle == focused)
 703        {
 704            dispatch_context.add("menu");
 705            dispatch_context.add("ChangesList");
 706        }
 707
 708        if self.commit_editor.read(cx).is_focused(window) {
 709            dispatch_context.add("CommitEditor");
 710        }
 711
 712        dispatch_context
 713    }
 714
 715    fn close_panel(&mut self, _: &Close, _window: &mut Window, cx: &mut Context<Self>) {
 716        cx.emit(PanelEvent::Close);
 717    }
 718
 719    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 720        if !self.focus_handle.contains_focused(window, cx) {
 721            cx.emit(Event::Focus);
 722        }
 723    }
 724
 725    fn handle_modifiers_changed(
 726        &mut self,
 727        event: &ModifiersChangedEvent,
 728        _: &mut Window,
 729        cx: &mut Context<Self>,
 730    ) {
 731        self.current_modifiers = event.modifiers;
 732        cx.notify();
 733    }
 734
 735    fn scroll_to_selected_entry(&mut self, cx: &mut Context<Self>) {
 736        if let Some(selected_entry) = self.selected_entry {
 737            self.scroll_handle
 738                .scroll_to_item(selected_entry, ScrollStrategy::Center);
 739        }
 740
 741        cx.notify();
 742    }
 743
 744    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
 745        if !self.entries.is_empty() {
 746            self.selected_entry = Some(1);
 747            self.scroll_to_selected_entry(cx);
 748        }
 749    }
 750
 751    fn select_previous(
 752        &mut self,
 753        _: &SelectPrevious,
 754        _window: &mut Window,
 755        cx: &mut Context<Self>,
 756    ) {
 757        let item_count = self.entries.len();
 758        if item_count == 0 {
 759            return;
 760        }
 761
 762        if let Some(selected_entry) = self.selected_entry {
 763            let new_selected_entry = if selected_entry > 0 {
 764                selected_entry - 1
 765            } else {
 766                selected_entry
 767            };
 768
 769            if matches!(
 770                self.entries.get(new_selected_entry),
 771                Some(GitListEntry::Header(..))
 772            ) {
 773                if new_selected_entry > 0 {
 774                    self.selected_entry = Some(new_selected_entry - 1)
 775                }
 776            } else {
 777                self.selected_entry = Some(new_selected_entry);
 778            }
 779
 780            self.scroll_to_selected_entry(cx);
 781        }
 782
 783        cx.notify();
 784    }
 785
 786    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
 787        let item_count = self.entries.len();
 788        if item_count == 0 {
 789            return;
 790        }
 791
 792        if let Some(selected_entry) = self.selected_entry {
 793            let new_selected_entry = if selected_entry < item_count - 1 {
 794                selected_entry + 1
 795            } else {
 796                selected_entry
 797            };
 798            if matches!(
 799                self.entries.get(new_selected_entry),
 800                Some(GitListEntry::Header(..))
 801            ) {
 802                self.selected_entry = Some(new_selected_entry + 1);
 803            } else {
 804                self.selected_entry = Some(new_selected_entry);
 805            }
 806
 807            self.scroll_to_selected_entry(cx);
 808        }
 809
 810        cx.notify();
 811    }
 812
 813    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
 814        if self.entries.last().is_some() {
 815            self.selected_entry = Some(self.entries.len() - 1);
 816            self.scroll_to_selected_entry(cx);
 817        }
 818    }
 819
 820    fn focus_editor(&mut self, _: &FocusEditor, window: &mut Window, cx: &mut Context<Self>) {
 821        self.commit_editor.update(cx, |editor, cx| {
 822            window.focus(&editor.focus_handle(cx));
 823        });
 824        cx.notify();
 825    }
 826
 827    fn select_first_entry_if_none(&mut self, cx: &mut Context<Self>) {
 828        let have_entries = self
 829            .active_repository
 830            .as_ref()
 831            .map_or(false, |active_repository| {
 832                active_repository.read(cx).entry_count() > 0
 833            });
 834        if have_entries && self.selected_entry.is_none() {
 835            self.selected_entry = Some(1);
 836            self.scroll_to_selected_entry(cx);
 837            cx.notify();
 838        }
 839    }
 840
 841    fn focus_changes_list(
 842        &mut self,
 843        _: &FocusChanges,
 844        window: &mut Window,
 845        cx: &mut Context<Self>,
 846    ) {
 847        self.select_first_entry_if_none(cx);
 848
 849        cx.focus_self(window);
 850        cx.notify();
 851    }
 852
 853    fn get_selected_entry(&self) -> Option<&GitListEntry> {
 854        self.selected_entry.and_then(|i| self.entries.get(i))
 855    }
 856
 857    fn open_diff(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
 858        maybe!({
 859            let entry = self.entries.get(self.selected_entry?)?.status_entry()?;
 860            let workspace = self.workspace.upgrade()?;
 861            let git_repo = self.active_repository.as_ref()?;
 862
 863            if let Some(project_diff) = workspace.read(cx).active_item_as::<ProjectDiff>(cx) {
 864                if let Some(project_path) = project_diff.read(cx).active_path(cx) {
 865                    if Some(&entry.repo_path)
 866                        == git_repo
 867                            .read(cx)
 868                            .project_path_to_repo_path(&project_path)
 869                            .as_ref()
 870                    {
 871                        project_diff.focus_handle(cx).focus(window);
 872                        project_diff.update(cx, |project_diff, cx| project_diff.autoscroll(cx));
 873                        return None;
 874                    }
 875                }
 876            };
 877
 878            if entry.worktree_path.starts_with("..") {
 879                self.workspace
 880                    .update(cx, |workspace, cx| {
 881                        workspace
 882                            .open_abs_path(
 883                                entry.abs_path.clone(),
 884                                OpenOptions {
 885                                    visible: Some(OpenVisible::All),
 886                                    focus: Some(false),
 887                                    ..Default::default()
 888                                },
 889                                window,
 890                                cx,
 891                            )
 892                            .detach_and_log_err(cx);
 893                    })
 894                    .ok();
 895            } else {
 896                self.workspace
 897                    .update(cx, |workspace, cx| {
 898                        ProjectDiff::deploy_at(workspace, Some(entry.clone()), window, cx);
 899                    })
 900                    .ok();
 901                self.focus_handle.focus(window);
 902            }
 903
 904            Some(())
 905        });
 906    }
 907
 908    fn open_file(
 909        &mut self,
 910        _: &menu::SecondaryConfirm,
 911        window: &mut Window,
 912        cx: &mut Context<Self>,
 913    ) {
 914        maybe!({
 915            let entry = self.entries.get(self.selected_entry?)?.status_entry()?;
 916            let active_repo = self.active_repository.as_ref()?;
 917            let path = active_repo
 918                .read(cx)
 919                .repo_path_to_project_path(&entry.repo_path)?;
 920            if entry.status.is_deleted() {
 921                return None;
 922            }
 923
 924            self.workspace
 925                .update(cx, |workspace, cx| {
 926                    workspace
 927                        .open_path_preview(path, None, false, false, true, window, cx)
 928                        .detach_and_prompt_err("Failed to open file", window, cx, |e, _, _| {
 929                            Some(format!("{e}"))
 930                        });
 931                })
 932                .ok()
 933        });
 934    }
 935
 936    fn revert_selected(
 937        &mut self,
 938        _: &git::RestoreFile,
 939        window: &mut Window,
 940        cx: &mut Context<Self>,
 941    ) {
 942        maybe!({
 943            let list_entry = self.entries.get(self.selected_entry?)?.clone();
 944            let entry = list_entry.status_entry()?;
 945            self.revert_entry(&entry, window, cx);
 946            Some(())
 947        });
 948    }
 949
 950    fn revert_entry(
 951        &mut self,
 952        entry: &GitStatusEntry,
 953        window: &mut Window,
 954        cx: &mut Context<Self>,
 955    ) {
 956        maybe!({
 957            let active_repo = self.active_repository.clone()?;
 958            let path = active_repo
 959                .read(cx)
 960                .repo_path_to_project_path(&entry.repo_path)?;
 961            let workspace = self.workspace.clone();
 962
 963            if entry.status.staging().has_staged() {
 964                self.change_file_stage(false, vec![entry.clone()], cx);
 965            }
 966            let filename = path.path.file_name()?.to_string_lossy();
 967
 968            if !entry.status.is_created() {
 969                self.perform_checkout(vec![entry.clone()], cx);
 970            } else {
 971                let prompt = prompt(&format!("Trash {}?", filename), None, window, cx);
 972                cx.spawn_in(window, |_, mut cx| async move {
 973                    match prompt.await? {
 974                        TrashCancel::Trash => {}
 975                        TrashCancel::Cancel => return Ok(()),
 976                    }
 977                    let task = workspace.update(&mut cx, |workspace, cx| {
 978                        workspace
 979                            .project()
 980                            .update(cx, |project, cx| project.delete_file(path, true, cx))
 981                    })?;
 982                    if let Some(task) = task {
 983                        task.await?;
 984                    }
 985                    Ok(())
 986                })
 987                .detach_and_prompt_err(
 988                    "Failed to trash file",
 989                    window,
 990                    cx,
 991                    |e, _, _| Some(format!("{e}")),
 992                );
 993            }
 994            Some(())
 995        });
 996    }
 997
 998    fn perform_checkout(&mut self, entries: Vec<GitStatusEntry>, cx: &mut Context<Self>) {
 999        let workspace = self.workspace.clone();
1000        let Some(active_repository) = self.active_repository.clone() else {
1001            return;
1002        };
1003
1004        let op_id = self.pending.iter().map(|p| p.op_id).max().unwrap_or(0) + 1;
1005        self.pending.push(PendingOperation {
1006            op_id,
1007            target_status: TargetStatus::Reverted,
1008            entries: entries.clone(),
1009            finished: false,
1010        });
1011        self.update_visible_entries(cx);
1012        let task = cx.spawn(|_, mut cx| async move {
1013            let tasks: Vec<_> = workspace.update(&mut cx, |workspace, cx| {
1014                workspace.project().update(cx, |project, cx| {
1015                    entries
1016                        .iter()
1017                        .filter_map(|entry| {
1018                            let path = active_repository
1019                                .read(cx)
1020                                .repo_path_to_project_path(&entry.repo_path)?;
1021                            Some(project.open_buffer(path, cx))
1022                        })
1023                        .collect()
1024                })
1025            })?;
1026
1027            let buffers = futures::future::join_all(tasks).await;
1028
1029            active_repository
1030                .update(&mut cx, |repo, cx| {
1031                    repo.checkout_files(
1032                        "HEAD",
1033                        entries
1034                            .iter()
1035                            .map(|entries| entries.repo_path.clone())
1036                            .collect(),
1037                        cx,
1038                    )
1039                })?
1040                .await??;
1041
1042            let tasks: Vec<_> = cx.update(|cx| {
1043                buffers
1044                    .iter()
1045                    .filter_map(|buffer| {
1046                        buffer.as_ref().ok()?.update(cx, |buffer, cx| {
1047                            buffer.is_dirty().then(|| buffer.reload(cx))
1048                        })
1049                    })
1050                    .collect()
1051            })?;
1052
1053            futures::future::join_all(tasks).await;
1054
1055            Ok(())
1056        });
1057
1058        cx.spawn(|this, mut cx| async move {
1059            let result = task.await;
1060
1061            this.update(&mut cx, |this, cx| {
1062                for pending in this.pending.iter_mut() {
1063                    if pending.op_id == op_id {
1064                        pending.finished = true;
1065                        if result.is_err() {
1066                            pending.target_status = TargetStatus::Unchanged;
1067                            this.update_visible_entries(cx);
1068                        }
1069                        break;
1070                    }
1071                }
1072                result
1073                    .map_err(|e| {
1074                        this.show_error_toast("checkout", e, cx);
1075                    })
1076                    .ok();
1077            })
1078            .ok();
1079        })
1080        .detach();
1081    }
1082
1083    fn restore_tracked_files(
1084        &mut self,
1085        _: &RestoreTrackedFiles,
1086        window: &mut Window,
1087        cx: &mut Context<Self>,
1088    ) {
1089        let entries = self
1090            .entries
1091            .iter()
1092            .filter_map(|entry| entry.status_entry().cloned())
1093            .filter(|status_entry| !status_entry.status.is_created())
1094            .collect::<Vec<_>>();
1095
1096        match entries.len() {
1097            0 => return,
1098            1 => return self.revert_entry(&entries[0], window, cx),
1099            _ => {}
1100        }
1101        let mut details = entries
1102            .iter()
1103            .filter_map(|entry| entry.repo_path.0.file_name())
1104            .map(|filename| filename.to_string_lossy())
1105            .take(5)
1106            .join("\n");
1107        if entries.len() > 5 {
1108            details.push_str(&format!("\nand {} more…", entries.len() - 5))
1109        }
1110
1111        #[derive(strum::EnumIter, strum::VariantNames)]
1112        #[strum(serialize_all = "title_case")]
1113        enum RestoreCancel {
1114            RestoreTrackedFiles,
1115            Cancel,
1116        }
1117        let prompt = prompt(
1118            "Discard changes to these files?",
1119            Some(&details),
1120            window,
1121            cx,
1122        );
1123        cx.spawn(|this, mut cx| async move {
1124            match prompt.await {
1125                Ok(RestoreCancel::RestoreTrackedFiles) => {
1126                    this.update(&mut cx, |this, cx| {
1127                        this.perform_checkout(entries, cx);
1128                    })
1129                    .ok();
1130                }
1131                _ => {
1132                    return;
1133                }
1134            }
1135        })
1136        .detach();
1137    }
1138
1139    fn clean_all(&mut self, _: &TrashUntrackedFiles, window: &mut Window, cx: &mut Context<Self>) {
1140        let workspace = self.workspace.clone();
1141        let Some(active_repo) = self.active_repository.clone() else {
1142            return;
1143        };
1144        let to_delete = self
1145            .entries
1146            .iter()
1147            .filter_map(|entry| entry.status_entry())
1148            .filter(|status_entry| status_entry.status.is_created())
1149            .cloned()
1150            .collect::<Vec<_>>();
1151
1152        match to_delete.len() {
1153            0 => return,
1154            1 => return self.revert_entry(&to_delete[0], window, cx),
1155            _ => {}
1156        };
1157
1158        let mut details = to_delete
1159            .iter()
1160            .map(|entry| {
1161                entry
1162                    .repo_path
1163                    .0
1164                    .file_name()
1165                    .map(|f| f.to_string_lossy())
1166                    .unwrap_or_default()
1167            })
1168            .take(5)
1169            .join("\n");
1170
1171        if to_delete.len() > 5 {
1172            details.push_str(&format!("\nand {} more…", to_delete.len() - 5))
1173        }
1174
1175        let prompt = prompt("Trash these files?", Some(&details), window, cx);
1176        cx.spawn_in(window, |this, mut cx| async move {
1177            match prompt.await? {
1178                TrashCancel::Trash => {}
1179                TrashCancel::Cancel => return Ok(()),
1180            }
1181            let tasks = workspace.update(&mut cx, |workspace, cx| {
1182                to_delete
1183                    .iter()
1184                    .filter_map(|entry| {
1185                        workspace.project().update(cx, |project, cx| {
1186                            let project_path = active_repo
1187                                .read(cx)
1188                                .repo_path_to_project_path(&entry.repo_path)?;
1189                            project.delete_file(project_path, true, cx)
1190                        })
1191                    })
1192                    .collect::<Vec<_>>()
1193            })?;
1194            let to_unstage = to_delete
1195                .into_iter()
1196                .filter(|entry| !entry.status.staging().is_fully_unstaged())
1197                .collect();
1198            this.update(&mut cx, |this, cx| {
1199                this.change_file_stage(false, to_unstage, cx)
1200            })?;
1201            for task in tasks {
1202                task.await?;
1203            }
1204            Ok(())
1205        })
1206        .detach_and_prompt_err("Failed to trash files", window, cx, |e, _, _| {
1207            Some(format!("{e}"))
1208        });
1209    }
1210
1211    pub fn stage_all(&mut self, _: &StageAll, _window: &mut Window, cx: &mut Context<Self>) {
1212        let entries = self
1213            .entries
1214            .iter()
1215            .filter_map(|entry| entry.status_entry())
1216            .filter(|status_entry| status_entry.staging.has_unstaged())
1217            .cloned()
1218            .collect::<Vec<_>>();
1219        self.change_file_stage(true, entries, cx);
1220    }
1221
1222    pub fn unstage_all(&mut self, _: &UnstageAll, _window: &mut Window, cx: &mut Context<Self>) {
1223        let entries = self
1224            .entries
1225            .iter()
1226            .filter_map(|entry| entry.status_entry())
1227            .filter(|status_entry| status_entry.staging.has_staged())
1228            .cloned()
1229            .collect::<Vec<_>>();
1230        self.change_file_stage(false, entries, cx);
1231    }
1232
1233    fn toggle_staged_for_entry(
1234        &mut self,
1235        entry: &GitListEntry,
1236        _window: &mut Window,
1237        cx: &mut Context<Self>,
1238    ) {
1239        let Some(active_repository) = self.active_repository.as_ref() else {
1240            return;
1241        };
1242        let (stage, repo_paths) = match entry {
1243            GitListEntry::GitStatusEntry(status_entry) => {
1244                if status_entry.status.staging().is_fully_staged() {
1245                    (false, vec![status_entry.clone()])
1246                } else {
1247                    (true, vec![status_entry.clone()])
1248                }
1249            }
1250            GitListEntry::Header(section) => {
1251                let goal_staged_state = !self.header_state(section.header).selected();
1252                let repository = active_repository.read(cx);
1253                let entries = self
1254                    .entries
1255                    .iter()
1256                    .filter_map(|entry| entry.status_entry())
1257                    .filter(|status_entry| {
1258                        section.contains(&status_entry, repository)
1259                            && status_entry.staging.as_bool() != Some(goal_staged_state)
1260                    })
1261                    .map(|status_entry| status_entry.clone())
1262                    .collect::<Vec<_>>();
1263
1264                (goal_staged_state, entries)
1265            }
1266        };
1267        self.change_file_stage(stage, repo_paths, cx);
1268    }
1269
1270    fn change_file_stage(
1271        &mut self,
1272        stage: bool,
1273        entries: Vec<GitStatusEntry>,
1274        cx: &mut Context<Self>,
1275    ) {
1276        let Some(active_repository) = self.active_repository.clone() else {
1277            return;
1278        };
1279        let op_id = self.pending.iter().map(|p| p.op_id).max().unwrap_or(0) + 1;
1280        self.pending.push(PendingOperation {
1281            op_id,
1282            target_status: if stage {
1283                TargetStatus::Staged
1284            } else {
1285                TargetStatus::Unstaged
1286            },
1287            entries: entries.clone(),
1288            finished: false,
1289        });
1290        let repository = active_repository.read(cx);
1291        self.update_counts(repository);
1292        cx.notify();
1293
1294        cx.spawn({
1295            |this, mut cx| async move {
1296                let result = cx
1297                    .update(|cx| {
1298                        if stage {
1299                            active_repository.update(cx, |repo, cx| {
1300                                let repo_paths = entries
1301                                    .iter()
1302                                    .map(|entry| entry.repo_path.clone())
1303                                    .collect();
1304                                repo.stage_entries(repo_paths, cx)
1305                            })
1306                        } else {
1307                            active_repository.update(cx, |repo, cx| {
1308                                let repo_paths = entries
1309                                    .iter()
1310                                    .map(|entry| entry.repo_path.clone())
1311                                    .collect();
1312                                repo.unstage_entries(repo_paths, cx)
1313                            })
1314                        }
1315                    })?
1316                    .await;
1317
1318                this.update(&mut cx, |this, cx| {
1319                    for pending in this.pending.iter_mut() {
1320                        if pending.op_id == op_id {
1321                            pending.finished = true
1322                        }
1323                    }
1324                    result
1325                        .map_err(|e| {
1326                            this.show_error_toast(if stage { "add" } else { "reset" }, e, cx);
1327                        })
1328                        .ok();
1329                    cx.notify();
1330                })
1331            }
1332        })
1333        .detach();
1334    }
1335
1336    pub fn total_staged_count(&self) -> usize {
1337        self.tracked_staged_count + self.new_staged_count + self.conflicted_staged_count
1338    }
1339
1340    pub fn commit_message_buffer(&self, cx: &App) -> Entity<Buffer> {
1341        self.commit_editor
1342            .read(cx)
1343            .buffer()
1344            .read(cx)
1345            .as_singleton()
1346            .unwrap()
1347            .clone()
1348    }
1349
1350    fn toggle_staged_for_selected(
1351        &mut self,
1352        _: &git::ToggleStaged,
1353        window: &mut Window,
1354        cx: &mut Context<Self>,
1355    ) {
1356        if let Some(selected_entry) = self.get_selected_entry().cloned() {
1357            self.toggle_staged_for_entry(&selected_entry, window, cx);
1358        }
1359    }
1360
1361    fn stage_selected(&mut self, _: &git::StageFile, _window: &mut Window, cx: &mut Context<Self>) {
1362        let Some(selected_entry) = self.get_selected_entry() else {
1363            return;
1364        };
1365        let Some(status_entry) = selected_entry.status_entry() else {
1366            return;
1367        };
1368        if status_entry.staging != StageStatus::Staged {
1369            self.change_file_stage(true, vec![status_entry.clone()], cx);
1370        }
1371    }
1372
1373    fn unstage_selected(
1374        &mut self,
1375        _: &git::UnstageFile,
1376        _window: &mut Window,
1377        cx: &mut Context<Self>,
1378    ) {
1379        let Some(selected_entry) = self.get_selected_entry() else {
1380            return;
1381        };
1382        let Some(status_entry) = selected_entry.status_entry() else {
1383            return;
1384        };
1385        if status_entry.staging != StageStatus::Unstaged {
1386            self.change_file_stage(false, vec![status_entry.clone()], cx);
1387        }
1388    }
1389
1390    fn commit(&mut self, _: &git::Commit, window: &mut Window, cx: &mut Context<Self>) {
1391        if self
1392            .commit_editor
1393            .focus_handle(cx)
1394            .contains_focused(window, cx)
1395        {
1396            telemetry::event!("Git Committed", source = "Git Panel");
1397            self.commit_changes(window, cx)
1398        } else {
1399            cx.propagate();
1400        }
1401    }
1402
1403    fn custom_or_suggested_commit_message(&self, cx: &mut Context<Self>) -> Option<String> {
1404        let message = self.commit_editor.read(cx).text(cx);
1405
1406        if !message.trim().is_empty() {
1407            return Some(message.to_string());
1408        }
1409
1410        self.suggest_commit_message(cx)
1411            .filter(|message| !message.trim().is_empty())
1412    }
1413
1414    pub(crate) fn commit_changes(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1415        let Some(active_repository) = self.active_repository.clone() else {
1416            return;
1417        };
1418        let error_spawn = |message, window: &mut Window, cx: &mut App| {
1419            let prompt = window.prompt(PromptLevel::Warning, message, None, &["Ok"], cx);
1420            cx.spawn(|_| async move {
1421                prompt.await.ok();
1422            })
1423            .detach();
1424        };
1425
1426        if self.has_unstaged_conflicts() {
1427            error_spawn(
1428                "There are still conflicts. You must stage these before committing",
1429                window,
1430                cx,
1431            );
1432            return;
1433        }
1434
1435        let commit_message = self.custom_or_suggested_commit_message(cx);
1436
1437        let Some(mut message) = commit_message else {
1438            self.commit_editor.read(cx).focus_handle(cx).focus(window);
1439            return;
1440        };
1441
1442        if self.add_coauthors {
1443            self.fill_co_authors(&mut message, cx);
1444        }
1445
1446        let task = if self.has_staged_changes() {
1447            // Repository serializes all git operations, so we can just send a commit immediately
1448            let commit_task =
1449                active_repository.update(cx, |repo, cx| repo.commit(message.into(), None, cx));
1450            cx.background_spawn(async move { commit_task.await? })
1451        } else {
1452            let changed_files = self
1453                .entries
1454                .iter()
1455                .filter_map(|entry| entry.status_entry())
1456                .filter(|status_entry| !status_entry.status.is_created())
1457                .map(|status_entry| status_entry.repo_path.clone())
1458                .collect::<Vec<_>>();
1459
1460            if changed_files.is_empty() {
1461                error_spawn("No changes to commit", window, cx);
1462                return;
1463            }
1464
1465            let stage_task =
1466                active_repository.update(cx, |repo, cx| repo.stage_entries(changed_files, cx));
1467            cx.spawn(|_, mut cx| async move {
1468                stage_task.await?;
1469                let commit_task = active_repository
1470                    .update(&mut cx, |repo, cx| repo.commit(message.into(), None, cx))?;
1471                commit_task.await?
1472            })
1473        };
1474        let task = cx.spawn_in(window, |this, mut cx| async move {
1475            let result = task.await;
1476            this.update_in(&mut cx, |this, window, cx| {
1477                this.pending_commit.take();
1478                match result {
1479                    Ok(()) => {
1480                        this.commit_editor
1481                            .update(cx, |editor, cx| editor.clear(window, cx));
1482                    }
1483                    Err(e) => this.show_error_toast("commit", e, cx),
1484                }
1485            })
1486            .ok();
1487        });
1488
1489        self.pending_commit = Some(task);
1490    }
1491
1492    fn uncommit(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1493        let Some(repo) = self.active_repository.clone() else {
1494            return;
1495        };
1496        telemetry::event!("Git Uncommitted");
1497
1498        let confirmation = self.check_for_pushed_commits(window, cx);
1499        let prior_head = self.load_commit_details("HEAD".to_string(), cx);
1500
1501        let task = cx.spawn_in(window, |this, mut cx| async move {
1502            let result = maybe!(async {
1503                if let Ok(true) = confirmation.await {
1504                    let prior_head = prior_head.await?;
1505
1506                    repo.update(&mut cx, |repo, cx| {
1507                        repo.reset("HEAD^".to_string(), ResetMode::Soft, cx)
1508                    })?
1509                    .await??;
1510
1511                    Ok(Some(prior_head))
1512                } else {
1513                    Ok(None)
1514                }
1515            })
1516            .await;
1517
1518            this.update_in(&mut cx, |this, window, cx| {
1519                this.pending_commit.take();
1520                match result {
1521                    Ok(None) => {}
1522                    Ok(Some(prior_commit)) => {
1523                        this.commit_editor.update(cx, |editor, cx| {
1524                            editor.set_text(prior_commit.message, window, cx)
1525                        });
1526                    }
1527                    Err(e) => this.show_error_toast("reset", e, cx),
1528                }
1529            })
1530            .ok();
1531        });
1532
1533        self.pending_commit = Some(task);
1534    }
1535
1536    fn check_for_pushed_commits(
1537        &mut self,
1538        window: &mut Window,
1539        cx: &mut Context<Self>,
1540    ) -> impl Future<Output = Result<bool, anyhow::Error>> {
1541        let repo = self.active_repository.clone();
1542        let mut cx = window.to_async(cx);
1543
1544        async move {
1545            let Some(repo) = repo else {
1546                return Err(anyhow::anyhow!("No active repository"));
1547            };
1548
1549            let pushed_to: Vec<SharedString> = repo
1550                .update(&mut cx, |repo, _| repo.check_for_pushed_commits())?
1551                .await??;
1552
1553            if pushed_to.is_empty() {
1554                Ok(true)
1555            } else {
1556                #[derive(strum::EnumIter, strum::VariantNames)]
1557                #[strum(serialize_all = "title_case")]
1558                enum CancelUncommit {
1559                    Uncommit,
1560                    Cancel,
1561                }
1562                let detail = format!(
1563                    "This commit was already pushed to {}.",
1564                    pushed_to.into_iter().join(", ")
1565                );
1566                let result = cx
1567                    .update(|window, cx| prompt("Are you sure?", Some(&detail), window, cx))?
1568                    .await?;
1569
1570                match result {
1571                    CancelUncommit::Cancel => Ok(false),
1572                    CancelUncommit::Uncommit => Ok(true),
1573                }
1574            }
1575        }
1576    }
1577
1578    /// Suggests a commit message based on the changed files and their statuses
1579    pub fn suggest_commit_message(&self, cx: &App) -> Option<String> {
1580        if let Some(merge_message) = self
1581            .active_repository
1582            .as_ref()
1583            .and_then(|repo| repo.read(cx).merge_message.as_ref())
1584        {
1585            return Some(merge_message.clone());
1586        }
1587
1588        let git_status_entry = if let Some(staged_entry) = &self.single_staged_entry {
1589            Some(staged_entry)
1590        } else if let Some(single_tracked_entry) = &self.single_tracked_entry {
1591            Some(single_tracked_entry)
1592        } else {
1593            None
1594        }?;
1595
1596        let action_text = if git_status_entry.status.is_deleted() {
1597            Some("Delete")
1598        } else if git_status_entry.status.is_created() {
1599            Some("Create")
1600        } else if git_status_entry.status.is_modified() {
1601            Some("Update")
1602        } else {
1603            None
1604        }?;
1605
1606        let file_name = git_status_entry
1607            .repo_path
1608            .file_name()
1609            .unwrap_or_default()
1610            .to_string_lossy();
1611
1612        Some(format!("{} {}", action_text, file_name))
1613    }
1614
1615    fn generate_commit_message_action(
1616        &mut self,
1617        _: &git::GenerateCommitMessage,
1618        _window: &mut Window,
1619        cx: &mut Context<Self>,
1620    ) {
1621        self.generate_commit_message(cx);
1622    }
1623
1624    /// Generates a commit message using an LLM.
1625    pub fn generate_commit_message(&mut self, cx: &mut Context<Self>) {
1626        if !self.can_commit() {
1627            return;
1628        }
1629
1630        let model = match current_language_model(cx) {
1631            Some(value) => value,
1632            None => return,
1633        };
1634
1635        let Some(repo) = self.active_repository.as_ref() else {
1636            return;
1637        };
1638
1639        telemetry::event!("Git Commit Message Generated");
1640
1641        let diff = repo.update(cx, |repo, cx| {
1642            if self.has_staged_changes() {
1643                repo.diff(DiffType::HeadToIndex, cx)
1644            } else {
1645                repo.diff(DiffType::HeadToWorktree, cx)
1646            }
1647        });
1648
1649        self.generate_commit_message_task = Some(cx.spawn(|this, mut cx| {
1650            async move {
1651                let _defer = util::defer({
1652                    let mut cx = cx.clone();
1653                    let this = this.clone();
1654                    move || {
1655                        this.update(&mut cx, |this, _cx| {
1656                            this.generate_commit_message_task.take();
1657                        })
1658                        .ok();
1659                    }
1660                });
1661
1662                let mut diff_text = diff.await??;
1663
1664                const ONE_MB: usize = 1_000_000;
1665                if diff_text.len() > ONE_MB {
1666                    diff_text = diff_text.chars().take(ONE_MB).collect()
1667                }
1668
1669                let subject = this.update(&mut cx, |this, cx| {
1670                    this.commit_editor.read(cx).text(cx).lines().next().map(ToOwned::to_owned).unwrap_or_default()
1671                })?;
1672
1673                let text_empty = subject.trim().is_empty();
1674
1675                let content = if text_empty {
1676                    format!("{PROMPT}\nHere are the changes in this commit:\n{diff_text}")
1677                } else {
1678                    format!("{PROMPT}\nHere is the user's subject line:\n{subject}\nHere are the changes in this commit:\n{diff_text}\n")
1679                };
1680
1681                const PROMPT: &str = include_str!("commit_message_prompt.txt");
1682
1683                let request = LanguageModelRequest {
1684                    messages: vec![LanguageModelRequestMessage {
1685                        role: Role::User,
1686                        content: vec![content.into()],
1687                        cache: false,
1688                    }],
1689                    tools: Vec::new(),
1690                    stop: Vec::new(),
1691                    temperature: None,
1692                };
1693
1694                let stream = model.stream_completion_text(request, &cx);
1695                let mut messages = stream.await?;
1696
1697                if !text_empty {
1698                    this.update(&mut cx, |this, cx| {
1699                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1700                            let insert_position = buffer.anchor_before(buffer.len());
1701                            buffer.edit([(insert_position..insert_position, "\n")], None, cx)
1702                        });
1703                    })?;
1704                }
1705
1706                while let Some(message) = messages.stream.next().await {
1707                    let text = message?;
1708
1709                    this.update(&mut cx, |this, cx| {
1710                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1711                            let insert_position = buffer.anchor_before(buffer.len());
1712                            buffer.edit([(insert_position..insert_position, text)], None, cx);
1713                        });
1714                    })?;
1715                }
1716
1717                anyhow::Ok(())
1718            }
1719            .log_err()
1720        }));
1721    }
1722
1723    pub(crate) fn fetch(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1724        if !self.can_push_and_pull(cx) {
1725            return;
1726        }
1727
1728        let Some(repo) = self.active_repository.clone() else {
1729            return;
1730        };
1731        telemetry::event!("Git Fetched");
1732        let guard = self.start_remote_operation();
1733        let askpass = self.askpass_delegate("git fetch", window, cx);
1734        let this = cx.weak_entity();
1735        window
1736            .spawn(cx, |mut cx| async move {
1737                let fetch = repo.update(&mut cx, |repo, cx| repo.fetch(askpass, cx))?;
1738
1739                let remote_message = fetch.await?;
1740                drop(guard);
1741                this.update(&mut cx, |this, cx| {
1742                    let action = RemoteAction::Fetch;
1743                    match remote_message {
1744                        Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1745                        Err(e) => {
1746                            log::error!("Error while fetching {:?}", e);
1747                            this.show_error_toast(action.name(), e, cx)
1748                        }
1749                    }
1750
1751                    anyhow::Ok(())
1752                })
1753                .ok();
1754                anyhow::Ok(())
1755            })
1756            .detach_and_log_err(cx);
1757    }
1758
1759    pub(crate) fn git_init(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1760        let worktrees = self
1761            .project
1762            .read(cx)
1763            .visible_worktrees(cx)
1764            .collect::<Vec<_>>();
1765
1766        let worktree = if worktrees.len() == 1 {
1767            Task::ready(Some(worktrees.first().unwrap().clone()))
1768        } else if worktrees.len() == 0 {
1769            let result = window.prompt(
1770                PromptLevel::Warning,
1771                "Unable to initialize a git repository",
1772                Some("Open a directory first"),
1773                &["Ok"],
1774                cx,
1775            );
1776            cx.background_executor()
1777                .spawn(async move {
1778                    result.await.ok();
1779                })
1780                .detach();
1781            return;
1782        } else {
1783            let worktree_directories = worktrees
1784                .iter()
1785                .map(|worktree| worktree.read(cx).abs_path())
1786                .map(|worktree_abs_path| {
1787                    if let Ok(path) = worktree_abs_path.strip_prefix(util::paths::home_dir()) {
1788                        Path::new("~")
1789                            .join(path)
1790                            .to_string_lossy()
1791                            .to_string()
1792                            .into()
1793                    } else {
1794                        worktree_abs_path.to_string_lossy().to_string().into()
1795                    }
1796                })
1797                .collect_vec();
1798            let prompt = picker_prompt::prompt(
1799                "Where would you like to initialize this git repository?",
1800                worktree_directories,
1801                self.workspace.clone(),
1802                window,
1803                cx,
1804            );
1805
1806            cx.spawn(|_, _| async move { prompt.await.map(|ix| worktrees[ix].clone()) })
1807        };
1808
1809        cx.spawn_in(window, |this, mut cx| async move {
1810            let worktree = match worktree.await {
1811                Some(worktree) => worktree,
1812                None => {
1813                    return;
1814                }
1815            };
1816
1817            let Ok(result) = this.update(&mut cx, |this, cx| {
1818                let fallback_branch_name = GitPanelSettings::get_global(cx)
1819                    .fallback_branch_name
1820                    .clone();
1821                this.project.read(cx).git_init(
1822                    worktree.read(cx).abs_path(),
1823                    fallback_branch_name,
1824                    cx,
1825                )
1826            }) else {
1827                return;
1828            };
1829
1830            let result = result.await;
1831
1832            this.update_in(&mut cx, |this, _, cx| match result {
1833                Ok(()) => {}
1834                Err(e) => this.show_error_toast("init", e, cx),
1835            })
1836            .ok();
1837        })
1838        .detach();
1839    }
1840
1841    pub(crate) fn pull(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1842        if !self.can_push_and_pull(cx) {
1843            return;
1844        }
1845        let Some(repo) = self.active_repository.clone() else {
1846            return;
1847        };
1848        let Some(branch) = repo.read(cx).current_branch() else {
1849            return;
1850        };
1851        telemetry::event!("Git Pulled");
1852        let branch = branch.clone();
1853        let remote = self.get_current_remote(window, cx);
1854        cx.spawn_in(window, move |this, mut cx| async move {
1855            let remote = match remote.await {
1856                Ok(Some(remote)) => remote,
1857                Ok(None) => {
1858                    return Ok(());
1859                }
1860                Err(e) => {
1861                    log::error!("Failed to get current remote: {}", e);
1862                    this.update(&mut cx, |this, cx| this.show_error_toast("pull", e, cx))
1863                        .ok();
1864                    return Ok(());
1865                }
1866            };
1867
1868            let askpass = this.update_in(&mut cx, |this, window, cx| {
1869                this.askpass_delegate(format!("git pull {}", remote.name), window, cx)
1870            })?;
1871
1872            let guard = this
1873                .update(&mut cx, |this, _| this.start_remote_operation())
1874                .ok();
1875
1876            let pull = repo.update(&mut cx, |repo, cx| {
1877                repo.pull(branch.name.clone(), remote.name.clone(), askpass, cx)
1878            })?;
1879
1880            let remote_message = pull.await?;
1881            drop(guard);
1882
1883            let action = RemoteAction::Pull(remote);
1884            this.update(&mut cx, |this, cx| match remote_message {
1885                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1886                Err(e) => {
1887                    log::error!("Error while pulling {:?}", e);
1888                    this.show_error_toast(action.name(), e, cx)
1889                }
1890            })
1891            .ok();
1892
1893            anyhow::Ok(())
1894        })
1895        .detach_and_log_err(cx);
1896    }
1897
1898    pub(crate) fn push(&mut self, force_push: bool, window: &mut Window, cx: &mut Context<Self>) {
1899        if !self.can_push_and_pull(cx) {
1900            return;
1901        }
1902        let Some(repo) = self.active_repository.clone() else {
1903            return;
1904        };
1905        let Some(branch) = repo.read(cx).current_branch() else {
1906            return;
1907        };
1908        telemetry::event!("Git Pushed");
1909        let branch = branch.clone();
1910
1911        let options = if force_push {
1912            Some(PushOptions::Force)
1913        } else {
1914            match branch.upstream {
1915                Some(Upstream {
1916                    tracking: UpstreamTracking::Gone,
1917                    ..
1918                })
1919                | None => Some(PushOptions::SetUpstream),
1920                _ => None,
1921            }
1922        };
1923        let remote = self.get_current_remote(window, cx);
1924
1925        cx.spawn_in(window, move |this, mut cx| async move {
1926            let remote = match remote.await {
1927                Ok(Some(remote)) => remote,
1928                Ok(None) => {
1929                    return Ok(());
1930                }
1931                Err(e) => {
1932                    log::error!("Failed to get current remote: {}", e);
1933                    this.update(&mut cx, |this, cx| this.show_error_toast("push", e, cx))
1934                        .ok();
1935                    return Ok(());
1936                }
1937            };
1938
1939            let askpass_delegate = this.update_in(&mut cx, |this, window, cx| {
1940                this.askpass_delegate(format!("git push {}", remote.name), window, cx)
1941            })?;
1942
1943            let guard = this
1944                .update(&mut cx, |this, _| this.start_remote_operation())
1945                .ok();
1946
1947            let push = repo.update(&mut cx, |repo, cx| {
1948                repo.push(
1949                    branch.name.clone(),
1950                    remote.name.clone(),
1951                    options,
1952                    askpass_delegate,
1953                    cx,
1954                )
1955            })?;
1956
1957            let remote_output = push.await?;
1958            drop(guard);
1959
1960            let action = RemoteAction::Push(branch.name, remote);
1961            this.update(&mut cx, |this, cx| match remote_output {
1962                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1963                Err(e) => {
1964                    log::error!("Error while pushing {:?}", e);
1965                    this.show_error_toast(action.name(), e, cx)
1966                }
1967            })?;
1968
1969            anyhow::Ok(())
1970        })
1971        .detach_and_log_err(cx);
1972    }
1973
1974    fn askpass_delegate(
1975        &self,
1976        operation: impl Into<SharedString>,
1977        window: &mut Window,
1978        cx: &mut Context<Self>,
1979    ) -> AskPassDelegate {
1980        let this = cx.weak_entity();
1981        let operation = operation.into();
1982        let window = window.window_handle();
1983        AskPassDelegate::new(&mut cx.to_async(), move |prompt, tx, cx| {
1984            window
1985                .update(cx, |_, window, cx| {
1986                    this.update(cx, |this, cx| {
1987                        this.workspace.update(cx, |workspace, cx| {
1988                            workspace.toggle_modal(window, cx, |window, cx| {
1989                                AskPassModal::new(operation.clone(), prompt.into(), tx, window, cx)
1990                            });
1991                        })
1992                    })
1993                })
1994                .ok();
1995        })
1996    }
1997
1998    fn can_push_and_pull(&self, cx: &App) -> bool {
1999        !self.project.read(cx).is_via_collab()
2000    }
2001
2002    fn get_current_remote(
2003        &mut self,
2004        window: &mut Window,
2005        cx: &mut Context<Self>,
2006    ) -> impl Future<Output = anyhow::Result<Option<Remote>>> {
2007        let repo = self.active_repository.clone();
2008        let workspace = self.workspace.clone();
2009        let mut cx = window.to_async(cx);
2010
2011        async move {
2012            let Some(repo) = repo else {
2013                return Err(anyhow::anyhow!("No active repository"));
2014            };
2015
2016            let mut current_remotes: Vec<Remote> = repo
2017                .update(&mut cx, |repo, _| {
2018                    let Some(current_branch) = repo.current_branch() else {
2019                        return Err(anyhow::anyhow!("No active branch"));
2020                    };
2021
2022                    Ok(repo.get_remotes(Some(current_branch.name.to_string())))
2023                })??
2024                .await??;
2025
2026            if current_remotes.len() == 0 {
2027                return Err(anyhow::anyhow!("No active remote"));
2028            } else if current_remotes.len() == 1 {
2029                return Ok(Some(current_remotes.pop().unwrap()));
2030            } else {
2031                let current_remotes: Vec<_> = current_remotes
2032                    .into_iter()
2033                    .map(|remotes| remotes.name)
2034                    .collect();
2035                let selection = cx
2036                    .update(|window, cx| {
2037                        picker_prompt::prompt(
2038                            "Pick which remote to push to",
2039                            current_remotes.clone(),
2040                            workspace,
2041                            window,
2042                            cx,
2043                        )
2044                    })?
2045                    .await;
2046
2047                Ok(selection.map(|selection| Remote {
2048                    name: current_remotes[selection].clone(),
2049                }))
2050            }
2051        }
2052    }
2053
2054    fn potential_co_authors(&self, cx: &App) -> Vec<(String, String)> {
2055        let mut new_co_authors = Vec::new();
2056        let project = self.project.read(cx);
2057
2058        let Some(room) = self
2059            .workspace
2060            .upgrade()
2061            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned())
2062        else {
2063            return Vec::default();
2064        };
2065
2066        let room = room.read(cx);
2067
2068        for (peer_id, collaborator) in project.collaborators() {
2069            if collaborator.is_host {
2070                continue;
2071            }
2072
2073            let Some(participant) = room.remote_participant_for_peer_id(*peer_id) else {
2074                continue;
2075            };
2076            if participant.can_write() && participant.user.email.is_some() {
2077                let email = participant.user.email.clone().unwrap();
2078
2079                new_co_authors.push((
2080                    participant
2081                        .user
2082                        .name
2083                        .clone()
2084                        .unwrap_or_else(|| participant.user.github_login.clone()),
2085                    email,
2086                ))
2087            }
2088        }
2089        if !project.is_local() && !project.is_read_only(cx) {
2090            if let Some(user) = room.local_participant_user(cx) {
2091                if let Some(email) = user.email.clone() {
2092                    new_co_authors.push((
2093                        user.name
2094                            .clone()
2095                            .unwrap_or_else(|| user.github_login.clone()),
2096                        email.clone(),
2097                    ))
2098                }
2099            }
2100        }
2101        new_co_authors
2102    }
2103
2104    fn toggle_fill_co_authors(
2105        &mut self,
2106        _: &ToggleFillCoAuthors,
2107        _: &mut Window,
2108        cx: &mut Context<Self>,
2109    ) {
2110        self.add_coauthors = !self.add_coauthors;
2111        cx.notify();
2112    }
2113
2114    fn fill_co_authors(&mut self, message: &mut String, cx: &mut Context<Self>) {
2115        const CO_AUTHOR_PREFIX: &str = "Co-authored-by: ";
2116
2117        let existing_text = message.to_ascii_lowercase();
2118        let lowercase_co_author_prefix = CO_AUTHOR_PREFIX.to_lowercase();
2119        let mut ends_with_co_authors = false;
2120        let existing_co_authors = existing_text
2121            .lines()
2122            .filter_map(|line| {
2123                let line = line.trim();
2124                if line.starts_with(&lowercase_co_author_prefix) {
2125                    ends_with_co_authors = true;
2126                    Some(line)
2127                } else {
2128                    ends_with_co_authors = false;
2129                    None
2130                }
2131            })
2132            .collect::<HashSet<_>>();
2133
2134        let new_co_authors = self
2135            .potential_co_authors(cx)
2136            .into_iter()
2137            .filter(|(_, email)| {
2138                !existing_co_authors
2139                    .iter()
2140                    .any(|existing| existing.contains(email.as_str()))
2141            })
2142            .collect::<Vec<_>>();
2143
2144        if new_co_authors.is_empty() {
2145            return;
2146        }
2147
2148        if !ends_with_co_authors {
2149            message.push('\n');
2150        }
2151        for (name, email) in new_co_authors {
2152            message.push('\n');
2153            message.push_str(CO_AUTHOR_PREFIX);
2154            message.push_str(&name);
2155            message.push_str(" <");
2156            message.push_str(&email);
2157            message.push('>');
2158        }
2159        message.push('\n');
2160    }
2161
2162    fn schedule_update(
2163        &mut self,
2164        clear_pending: bool,
2165        window: &mut Window,
2166        cx: &mut Context<Self>,
2167    ) {
2168        let handle = cx.entity().downgrade();
2169        self.reopen_commit_buffer(window, cx);
2170        self.update_visible_entries_task = cx.spawn_in(window, |_, mut cx| async move {
2171            cx.background_executor().timer(UPDATE_DEBOUNCE).await;
2172            if let Some(git_panel) = handle.upgrade() {
2173                git_panel
2174                    .update_in(&mut cx, |git_panel, window, cx| {
2175                        if clear_pending {
2176                            git_panel.clear_pending();
2177                        }
2178                        git_panel.update_visible_entries(cx);
2179                        git_panel.update_scrollbar_properties(window, cx);
2180                    })
2181                    .ok();
2182            }
2183        });
2184    }
2185
2186    fn reopen_commit_buffer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2187        let Some(active_repo) = self.active_repository.as_ref() else {
2188            return;
2189        };
2190        let load_buffer = active_repo.update(cx, |active_repo, cx| {
2191            let project = self.project.read(cx);
2192            active_repo.open_commit_buffer(
2193                Some(project.languages().clone()),
2194                project.buffer_store().clone(),
2195                cx,
2196            )
2197        });
2198
2199        cx.spawn_in(window, |git_panel, mut cx| async move {
2200            let buffer = load_buffer.await?;
2201            git_panel.update_in(&mut cx, |git_panel, window, cx| {
2202                if git_panel
2203                    .commit_editor
2204                    .read(cx)
2205                    .buffer()
2206                    .read(cx)
2207                    .as_singleton()
2208                    .as_ref()
2209                    != Some(&buffer)
2210                {
2211                    git_panel.commit_editor = cx.new(|cx| {
2212                        commit_message_editor(
2213                            buffer,
2214                            git_panel.suggest_commit_message(cx).as_deref(),
2215                            git_panel.project.clone(),
2216                            true,
2217                            window,
2218                            cx,
2219                        )
2220                    });
2221                }
2222            })
2223        })
2224        .detach_and_log_err(cx);
2225    }
2226
2227    fn clear_pending(&mut self) {
2228        self.pending.retain(|v| !v.finished)
2229    }
2230
2231    fn update_visible_entries(&mut self, cx: &mut Context<Self>) {
2232        self.entries.clear();
2233        self.single_staged_entry.take();
2234        self.single_tracked_entry.take();
2235        self.conflicted_count = 0;
2236        self.conflicted_staged_count = 0;
2237        self.new_count = 0;
2238        self.tracked_count = 0;
2239        self.new_staged_count = 0;
2240        self.tracked_staged_count = 0;
2241        self.entry_count = 0;
2242
2243        let mut changed_entries = Vec::new();
2244        let mut new_entries = Vec::new();
2245        let mut conflict_entries = Vec::new();
2246        let mut last_staged = None;
2247        let mut staged_count = 0;
2248        let mut max_width_item: Option<(RepoPath, usize)> = None;
2249
2250        let Some(repo) = self.active_repository.as_ref() else {
2251            // Just clear entries if no repository is active.
2252            cx.notify();
2253            return;
2254        };
2255
2256        let repo = repo.read(cx);
2257
2258        for entry in repo.status() {
2259            let is_conflict = repo.has_conflict(&entry.repo_path);
2260            let is_new = entry.status.is_created();
2261            let staging = entry.status.staging();
2262
2263            if self.pending.iter().any(|pending| {
2264                pending.target_status == TargetStatus::Reverted
2265                    && !pending.finished
2266                    && pending
2267                        .entries
2268                        .iter()
2269                        .any(|pending| pending.repo_path == entry.repo_path)
2270            }) {
2271                continue;
2272            }
2273
2274            // dot_git_abs path always has at least one component, namely .git.
2275            let abs_path = repo
2276                .dot_git_abs_path
2277                .parent()
2278                .unwrap()
2279                .join(&entry.repo_path);
2280            let worktree_path = repo.repository_entry.unrelativize(&entry.repo_path);
2281            let entry = GitStatusEntry {
2282                repo_path: entry.repo_path.clone(),
2283                worktree_path,
2284                abs_path,
2285                status: entry.status,
2286                staging,
2287            };
2288
2289            if staging.has_staged() {
2290                staged_count += 1;
2291                last_staged = Some(entry.clone());
2292            }
2293
2294            let width_estimate = Self::item_width_estimate(
2295                entry.parent_dir().map(|s| s.len()).unwrap_or(0),
2296                entry.display_name().len(),
2297            );
2298
2299            match max_width_item.as_mut() {
2300                Some((repo_path, estimate)) => {
2301                    if width_estimate > *estimate {
2302                        *repo_path = entry.repo_path.clone();
2303                        *estimate = width_estimate;
2304                    }
2305                }
2306                None => max_width_item = Some((entry.repo_path.clone(), width_estimate)),
2307            }
2308
2309            if is_conflict {
2310                conflict_entries.push(entry);
2311            } else if is_new {
2312                new_entries.push(entry);
2313            } else {
2314                changed_entries.push(entry);
2315            }
2316        }
2317
2318        let mut pending_staged_count = 0;
2319        let mut last_pending_staged = None;
2320        let mut pending_status_for_last_staged = None;
2321        for pending in self.pending.iter() {
2322            if pending.target_status == TargetStatus::Staged {
2323                pending_staged_count += pending.entries.len();
2324                last_pending_staged = pending.entries.iter().next().cloned();
2325            }
2326            if let Some(last_staged) = &last_staged {
2327                if pending
2328                    .entries
2329                    .iter()
2330                    .any(|entry| entry.repo_path == last_staged.repo_path)
2331                {
2332                    pending_status_for_last_staged = Some(pending.target_status);
2333                }
2334            }
2335        }
2336
2337        if conflict_entries.len() == 0 && staged_count == 1 && pending_staged_count == 0 {
2338            match pending_status_for_last_staged {
2339                Some(TargetStatus::Staged) | None => {
2340                    self.single_staged_entry = last_staged;
2341                }
2342                _ => {}
2343            }
2344        } else if conflict_entries.len() == 0 && pending_staged_count == 1 {
2345            self.single_staged_entry = last_pending_staged;
2346        }
2347
2348        if conflict_entries.len() == 0 && changed_entries.len() == 1 {
2349            self.single_tracked_entry = changed_entries.first().cloned();
2350        }
2351
2352        if conflict_entries.len() > 0 {
2353            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2354                header: Section::Conflict,
2355            }));
2356            self.entries.extend(
2357                conflict_entries
2358                    .into_iter()
2359                    .map(GitListEntry::GitStatusEntry),
2360            );
2361        }
2362
2363        if changed_entries.len() > 0 {
2364            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2365                header: Section::Tracked,
2366            }));
2367            self.entries.extend(
2368                changed_entries
2369                    .into_iter()
2370                    .map(GitListEntry::GitStatusEntry),
2371            );
2372        }
2373        if new_entries.len() > 0 {
2374            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2375                header: Section::New,
2376            }));
2377            self.entries
2378                .extend(new_entries.into_iter().map(GitListEntry::GitStatusEntry));
2379        }
2380
2381        if let Some((repo_path, _)) = max_width_item {
2382            self.max_width_item_index = self.entries.iter().position(|entry| match entry {
2383                GitListEntry::GitStatusEntry(git_status_entry) => {
2384                    git_status_entry.repo_path == repo_path
2385                }
2386                GitListEntry::Header(_) => false,
2387            });
2388        }
2389
2390        self.update_counts(repo);
2391
2392        self.select_first_entry_if_none(cx);
2393
2394        let suggested_commit_message = self.suggest_commit_message(cx);
2395        let placeholder_text = suggested_commit_message
2396            .as_deref()
2397            .unwrap_or("Enter commit message");
2398
2399        self.commit_editor.update(cx, |editor, cx| {
2400            editor.set_placeholder_text(Arc::from(placeholder_text), cx)
2401        });
2402
2403        cx.notify();
2404    }
2405
2406    fn header_state(&self, header_type: Section) -> ToggleState {
2407        let (staged_count, count) = match header_type {
2408            Section::New => (self.new_staged_count, self.new_count),
2409            Section::Tracked => (self.tracked_staged_count, self.tracked_count),
2410            Section::Conflict => (self.conflicted_staged_count, self.conflicted_count),
2411        };
2412        if staged_count == 0 {
2413            ToggleState::Unselected
2414        } else if count == staged_count {
2415            ToggleState::Selected
2416        } else {
2417            ToggleState::Indeterminate
2418        }
2419    }
2420
2421    fn update_counts(&mut self, repo: &Repository) {
2422        self.conflicted_count = 0;
2423        self.conflicted_staged_count = 0;
2424        self.new_count = 0;
2425        self.tracked_count = 0;
2426        self.new_staged_count = 0;
2427        self.tracked_staged_count = 0;
2428        self.entry_count = 0;
2429        for entry in &self.entries {
2430            let Some(status_entry) = entry.status_entry() else {
2431                continue;
2432            };
2433            self.entry_count += 1;
2434            if repo.has_conflict(&status_entry.repo_path) {
2435                self.conflicted_count += 1;
2436                if self.entry_staging(status_entry).has_staged() {
2437                    self.conflicted_staged_count += 1;
2438                }
2439            } else if status_entry.status.is_created() {
2440                self.new_count += 1;
2441                if self.entry_staging(status_entry).has_staged() {
2442                    self.new_staged_count += 1;
2443                }
2444            } else {
2445                self.tracked_count += 1;
2446                if self.entry_staging(status_entry).has_staged() {
2447                    self.tracked_staged_count += 1;
2448                }
2449            }
2450        }
2451    }
2452
2453    fn entry_staging(&self, entry: &GitStatusEntry) -> StageStatus {
2454        for pending in self.pending.iter().rev() {
2455            if pending
2456                .entries
2457                .iter()
2458                .any(|pending_entry| pending_entry.repo_path == entry.repo_path)
2459            {
2460                match pending.target_status {
2461                    TargetStatus::Staged => return StageStatus::Staged,
2462                    TargetStatus::Unstaged => return StageStatus::Unstaged,
2463                    TargetStatus::Reverted => continue,
2464                    TargetStatus::Unchanged => continue,
2465                }
2466            }
2467        }
2468        entry.staging
2469    }
2470
2471    pub(crate) fn has_staged_changes(&self) -> bool {
2472        self.tracked_staged_count > 0
2473            || self.new_staged_count > 0
2474            || self.conflicted_staged_count > 0
2475    }
2476
2477    pub(crate) fn has_unstaged_changes(&self) -> bool {
2478        self.tracked_count > self.tracked_staged_count
2479            || self.new_count > self.new_staged_count
2480            || self.conflicted_count > self.conflicted_staged_count
2481    }
2482
2483    fn has_conflicts(&self) -> bool {
2484        self.conflicted_count > 0
2485    }
2486
2487    fn has_tracked_changes(&self) -> bool {
2488        self.tracked_count > 0
2489    }
2490
2491    pub fn has_unstaged_conflicts(&self) -> bool {
2492        self.conflicted_count > 0 && self.conflicted_count != self.conflicted_staged_count
2493    }
2494
2495    fn show_error_toast(&self, action: impl Into<SharedString>, e: anyhow::Error, cx: &mut App) {
2496        let action = action.into();
2497        let Some(workspace) = self.workspace.upgrade() else {
2498            return;
2499        };
2500
2501        let message = e.to_string().trim().to_string();
2502        if message
2503            .matches(git::repository::REMOTE_CANCELLED_BY_USER)
2504            .next()
2505            .is_some()
2506        {
2507            return; // Hide the cancelled by user message
2508        } else {
2509            let project = self.project.clone();
2510            workspace.update(cx, |workspace, cx| {
2511                let workspace_weak = cx.weak_entity();
2512                let toast =
2513                    StatusToast::new(format!("git {} failed", action.clone()), cx, |this, _cx| {
2514                        this.icon(ToastIcon::new(IconName::XCircle).color(Color::Error))
2515                            .action("View Log", move |window, cx| {
2516                                let message = message.clone();
2517                                let project = project.clone();
2518                                let action = action.clone();
2519                                workspace_weak
2520                                    .update(cx, move |workspace, cx| {
2521                                        Self::open_output(
2522                                            project, action, workspace, &message, window, cx,
2523                                        )
2524                                    })
2525                                    .ok();
2526                            })
2527                    });
2528                workspace.toggle_status_toast(toast, cx)
2529            });
2530        }
2531    }
2532
2533    fn show_remote_output(&self, action: RemoteAction, info: RemoteCommandOutput, cx: &mut App) {
2534        let Some(workspace) = self.workspace.upgrade() else {
2535            return;
2536        };
2537
2538        workspace.update(cx, |workspace, cx| {
2539            let SuccessMessage { message, style } = remote_output::format_output(&action, info);
2540            let workspace_weak = cx.weak_entity();
2541            let operation = action.name();
2542
2543            let status_toast = StatusToast::new(message, cx, move |this, _cx| {
2544                use remote_output::SuccessStyle::*;
2545                let project = self.project.clone();
2546                match style {
2547                    Toast { .. } => this,
2548                    ToastWithLog { output } => this
2549                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2550                        .action("View Log", move |window, cx| {
2551                            let output = output.clone();
2552                            let project = project.clone();
2553                            let output =
2554                                format!("stdout:\n{}\nstderr:\n{}", output.stdout, output.stderr);
2555                            workspace_weak
2556                                .update(cx, move |workspace, cx| {
2557                                    Self::open_output(
2558                                        project, operation, workspace, &output, window, cx,
2559                                    )
2560                                })
2561                                .ok();
2562                        }),
2563                    PushPrLink { link } => this
2564                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2565                        .action("Open Pull Request", move |_, cx| cx.open_url(&link)),
2566                }
2567            });
2568            workspace.toggle_status_toast(status_toast, cx)
2569        });
2570    }
2571
2572    fn open_output(
2573        project: Entity<Project>,
2574        operation: impl Into<SharedString>,
2575        workspace: &mut Workspace,
2576        output: &str,
2577        window: &mut Window,
2578        cx: &mut Context<Workspace>,
2579    ) {
2580        let operation = operation.into();
2581        let buffer = cx.new(|cx| Buffer::local(output, cx));
2582        let editor = cx.new(|cx| {
2583            let mut editor = Editor::for_buffer(buffer, Some(project), window, cx);
2584            editor.buffer().update(cx, |buffer, cx| {
2585                buffer.set_title(format!("Output from git {operation}"), cx);
2586            });
2587            editor.set_read_only(true);
2588            editor
2589        });
2590
2591        workspace.add_item_to_center(Box::new(editor), window, cx);
2592    }
2593
2594    pub fn render_spinner(&self) -> Option<impl IntoElement> {
2595        (!self.pending_remote_operations.borrow().is_empty()).then(|| {
2596            Icon::new(IconName::ArrowCircle)
2597                .size(IconSize::XSmall)
2598                .color(Color::Info)
2599                .with_animation(
2600                    "arrow-circle",
2601                    Animation::new(Duration::from_secs(2)).repeat(),
2602                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
2603                )
2604                .into_any_element()
2605        })
2606    }
2607
2608    pub fn can_commit(&self) -> bool {
2609        (self.has_staged_changes() || self.has_tracked_changes()) && !self.has_unstaged_conflicts()
2610    }
2611
2612    pub fn can_stage_all(&self) -> bool {
2613        self.has_unstaged_changes()
2614    }
2615
2616    pub fn can_unstage_all(&self) -> bool {
2617        self.has_staged_changes()
2618    }
2619
2620    // eventually we'll need to take depth into account here
2621    // if we add a tree view
2622    fn item_width_estimate(path: usize, file_name: usize) -> usize {
2623        path + file_name
2624    }
2625
2626    fn render_overflow_menu(&self, id: impl Into<ElementId>) -> impl IntoElement {
2627        let focus_handle = self.focus_handle.clone();
2628        PopoverMenu::new(id.into())
2629            .trigger(
2630                IconButton::new("overflow-menu-trigger", IconName::EllipsisVertical)
2631                    .icon_size(IconSize::Small)
2632                    .icon_color(Color::Muted),
2633            )
2634            .menu(move |window, cx| Some(git_panel_context_menu(focus_handle.clone(), window, cx)))
2635            .anchor(Corner::TopRight)
2636    }
2637
2638    pub(crate) fn render_generate_commit_message_button(
2639        &self,
2640        cx: &Context<Self>,
2641    ) -> Option<AnyElement> {
2642        current_language_model(cx).is_some().then(|| {
2643            if self.generate_commit_message_task.is_some() {
2644                return h_flex()
2645                    .gap_1()
2646                    .child(
2647                        Icon::new(IconName::ArrowCircle)
2648                            .size(IconSize::XSmall)
2649                            .color(Color::Info)
2650                            .with_animation(
2651                                "arrow-circle",
2652                                Animation::new(Duration::from_secs(2)).repeat(),
2653                                |icon, delta| {
2654                                    icon.transform(Transformation::rotate(percentage(delta)))
2655                                },
2656                            ),
2657                    )
2658                    .child(
2659                        Label::new("Generating Commit...")
2660                            .size(LabelSize::Small)
2661                            .color(Color::Muted),
2662                    )
2663                    .into_any_element();
2664            }
2665
2666            let can_commit = self.can_commit();
2667            let editor_focus_handle = self.commit_editor.focus_handle(cx);
2668            IconButton::new("generate-commit-message", IconName::AiEdit)
2669                .shape(ui::IconButtonShape::Square)
2670                .icon_color(Color::Muted)
2671                .tooltip(move |window, cx| {
2672                    if can_commit {
2673                        Tooltip::for_action_in(
2674                            "Generate Commit Message",
2675                            &git::GenerateCommitMessage,
2676                            &editor_focus_handle,
2677                            window,
2678                            cx,
2679                        )
2680                    } else {
2681                        Tooltip::simple("No changes to commit", cx)
2682                    }
2683                })
2684                .disabled(!can_commit)
2685                .on_click(cx.listener(move |this, _event, _window, cx| {
2686                    this.generate_commit_message(cx);
2687                }))
2688                .into_any_element()
2689        })
2690    }
2691
2692    pub(crate) fn render_co_authors(&self, cx: &Context<Self>) -> Option<AnyElement> {
2693        let potential_co_authors = self.potential_co_authors(cx);
2694        if potential_co_authors.is_empty() {
2695            None
2696        } else {
2697            Some(
2698                IconButton::new("co-authors", IconName::Person)
2699                    .shape(ui::IconButtonShape::Square)
2700                    .icon_color(Color::Disabled)
2701                    .selected_icon_color(Color::Selected)
2702                    .toggle_state(self.add_coauthors)
2703                    .tooltip(move |_, cx| {
2704                        let title = format!(
2705                            "Add co-authored-by:{}{}",
2706                            if potential_co_authors.len() == 1 {
2707                                ""
2708                            } else {
2709                                "\n"
2710                            },
2711                            potential_co_authors
2712                                .iter()
2713                                .map(|(name, email)| format!(" {} <{}>", name, email))
2714                                .join("\n")
2715                        );
2716                        Tooltip::simple(title, cx)
2717                    })
2718                    .on_click(cx.listener(|this, _, _, cx| {
2719                        this.add_coauthors = !this.add_coauthors;
2720                        cx.notify();
2721                    }))
2722                    .into_any_element(),
2723            )
2724        }
2725    }
2726
2727    pub fn configure_commit_button(&self, cx: &mut Context<Self>) -> (bool, &'static str) {
2728        if self.has_unstaged_conflicts() {
2729            (false, "You must resolve conflicts before committing")
2730        } else if !self.has_staged_changes() && !self.has_tracked_changes() {
2731            (false, "No changes to commit")
2732        } else if self.pending_commit.is_some() {
2733            (false, "Commit in progress")
2734        } else if self.custom_or_suggested_commit_message(cx).is_none() {
2735            (false, "No commit message")
2736        } else if !self.has_write_access(cx) {
2737            (false, "You do not have write access to this project")
2738        } else {
2739            (true, self.commit_button_title())
2740        }
2741    }
2742
2743    pub fn commit_button_title(&self) -> &'static str {
2744        if self.has_staged_changes() {
2745            "Commit"
2746        } else {
2747            "Commit Tracked"
2748        }
2749    }
2750
2751    fn expand_commit_editor(
2752        &mut self,
2753        _: &git::ExpandCommitEditor,
2754        window: &mut Window,
2755        cx: &mut Context<Self>,
2756    ) {
2757        let workspace = self.workspace.clone();
2758        window.defer(cx, move |window, cx| {
2759            workspace
2760                .update(cx, |workspace, cx| {
2761                    CommitModal::toggle(workspace, window, cx)
2762                })
2763                .ok();
2764        })
2765    }
2766
2767    fn render_panel_header(
2768        &self,
2769        window: &mut Window,
2770        cx: &mut Context<Self>,
2771    ) -> Option<impl IntoElement> {
2772        self.active_repository.as_ref()?;
2773
2774        let text;
2775        let action;
2776        let tooltip;
2777        if self.total_staged_count() == self.entry_count && self.entry_count > 0 {
2778            text = "Unstage All";
2779            action = git::UnstageAll.boxed_clone();
2780            tooltip = "git reset";
2781        } else {
2782            text = "Stage All";
2783            action = git::StageAll.boxed_clone();
2784            tooltip = "git add --all ."
2785        }
2786
2787        let change_string = match self.entry_count {
2788            0 => "No Changes".to_string(),
2789            1 => "1 Change".to_string(),
2790            _ => format!("{} Changes", self.entry_count),
2791        };
2792
2793        Some(
2794            self.panel_header_container(window, cx)
2795                .px_2()
2796                .child(
2797                    panel_button(change_string)
2798                        .color(Color::Muted)
2799                        .tooltip(Tooltip::for_action_title_in(
2800                            "Open diff",
2801                            &Diff,
2802                            &self.focus_handle,
2803                        ))
2804                        .on_click(|_, _, cx| {
2805                            cx.defer(|cx| {
2806                                cx.dispatch_action(&Diff);
2807                            })
2808                        }),
2809                )
2810                .child(div().flex_grow()) // spacer
2811                .child(self.render_overflow_menu("overflow_menu"))
2812                .child(div().w_2()) // another spacer
2813                .child(
2814                    panel_filled_button(text)
2815                        .tooltip(Tooltip::for_action_title_in(
2816                            tooltip,
2817                            action.as_ref(),
2818                            &self.focus_handle,
2819                        ))
2820                        .disabled(self.entry_count == 0)
2821                        .on_click(move |_, _, cx| {
2822                            let action = action.boxed_clone();
2823                            cx.defer(move |cx| {
2824                                cx.dispatch_action(action.as_ref());
2825                            })
2826                        }),
2827                ),
2828        )
2829    }
2830
2831    pub(crate) fn render_remote_button(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2832        let branch = self
2833            .active_repository
2834            .as_ref()?
2835            .read(cx)
2836            .current_branch()
2837            .cloned();
2838        if !self.can_push_and_pull(cx) {
2839            return None;
2840        }
2841        let spinner = self.render_spinner();
2842        Some(
2843            h_flex()
2844                .gap_1()
2845                .flex_shrink_0()
2846                .children(spinner)
2847                .when_some(branch, |this, branch| {
2848                    let focus_handle = Some(self.focus_handle(cx));
2849
2850                    this.children(render_remote_button(
2851                        "remote-button",
2852                        &branch,
2853                        focus_handle,
2854                        true,
2855                    ))
2856                })
2857                .into_any_element(),
2858        )
2859    }
2860
2861    pub fn render_footer(
2862        &self,
2863        window: &mut Window,
2864        cx: &mut Context<Self>,
2865    ) -> Option<impl IntoElement> {
2866        let active_repository = self.active_repository.clone()?;
2867        let (can_commit, tooltip) = self.configure_commit_button(cx);
2868        let project = self.project.clone().read(cx);
2869        let panel_editor_style = panel_editor_style(true, window, cx);
2870
2871        let enable_coauthors = self.render_co_authors(cx);
2872        let title = self.commit_button_title();
2873
2874        let editor_focus_handle = self.commit_editor.focus_handle(cx);
2875        let commit_tooltip_focus_handle = editor_focus_handle.clone();
2876        let expand_tooltip_focus_handle = editor_focus_handle.clone();
2877
2878        let branch = active_repository.read(cx).current_branch().cloned();
2879
2880        let footer_size = px(32.);
2881        let gap = px(9.0);
2882        let max_height = panel_editor_style
2883            .text
2884            .line_height_in_pixels(window.rem_size())
2885            * MAX_PANEL_EDITOR_LINES
2886            + gap;
2887
2888        let git_panel = cx.entity().clone();
2889        let display_name = SharedString::from(Arc::from(
2890            active_repository
2891                .read(cx)
2892                .display_name(project, cx)
2893                .trim_end_matches("/"),
2894        ));
2895        let editor_is_long = self.commit_editor.update(cx, |editor, cx| {
2896            editor.max_point(cx).row().0 >= MAX_PANEL_EDITOR_LINES as u32
2897        });
2898
2899        let footer = v_flex()
2900            .child(PanelRepoFooter::new(display_name, branch, Some(git_panel)))
2901            .child(
2902                panel_editor_container(window, cx)
2903                    .id("commit-editor-container")
2904                    .relative()
2905                    .w_full()
2906                    .h(max_height + footer_size)
2907                    .border_t_1()
2908                    .border_color(cx.theme().colors().border_variant)
2909                    .cursor_text()
2910                    .on_click(cx.listener(move |this, _: &ClickEvent, window, cx| {
2911                        window.focus(&this.commit_editor.focus_handle(cx));
2912                    }))
2913                    .child(
2914                        h_flex()
2915                            .id("commit-footer")
2916                            .border_t_1()
2917                            .when(editor_is_long, |el| {
2918                                el.border_color(cx.theme().colors().border_variant)
2919                            })
2920                            .absolute()
2921                            .bottom_0()
2922                            .left_0()
2923                            .w_full()
2924                            .px_2()
2925                            .h(footer_size)
2926                            .flex_none()
2927                            .justify_between()
2928                            .child(
2929                                self.render_generate_commit_message_button(cx)
2930                                    .unwrap_or_else(|| div().into_any_element()),
2931                            )
2932                            .child(
2933                                h_flex().gap_0p5().children(enable_coauthors).child(
2934                                    panel_filled_button(title)
2935                                        .tooltip(move |window, cx| {
2936                                            if can_commit {
2937                                                Tooltip::for_action_in(
2938                                                    tooltip,
2939                                                    &Commit,
2940                                                    &commit_tooltip_focus_handle,
2941                                                    window,
2942                                                    cx,
2943                                                )
2944                                            } else {
2945                                                Tooltip::simple(tooltip, cx)
2946                                            }
2947                                        })
2948                                        .disabled(!can_commit || self.modal_open)
2949                                        .on_click({
2950                                            cx.listener(move |this, _: &ClickEvent, window, cx| {
2951                                                telemetry::event!(
2952                                                    "Git Committed",
2953                                                    source = "Git Panel"
2954                                                );
2955                                                this.commit_changes(window, cx)
2956                                            })
2957                                        }),
2958                                ),
2959                            ),
2960                    )
2961                    .child(
2962                        div()
2963                            .pr_2p5()
2964                            .on_action(|&editor::actions::MoveUp, _, cx| {
2965                                cx.stop_propagation();
2966                            })
2967                            .on_action(|&editor::actions::MoveDown, _, cx| {
2968                                cx.stop_propagation();
2969                            })
2970                            .child(EditorElement::new(&self.commit_editor, panel_editor_style)),
2971                    )
2972                    .child(
2973                        h_flex()
2974                            .absolute()
2975                            .top_2()
2976                            .right_2()
2977                            .opacity(0.5)
2978                            .hover(|this| this.opacity(1.0))
2979                            .child(
2980                                panel_icon_button("expand-commit-editor", IconName::Maximize)
2981                                    .icon_size(IconSize::Small)
2982                                    .size(ui::ButtonSize::Default)
2983                                    .tooltip(move |window, cx| {
2984                                        Tooltip::for_action_in(
2985                                            "Open Commit Modal",
2986                                            &git::ExpandCommitEditor,
2987                                            &expand_tooltip_focus_handle,
2988                                            window,
2989                                            cx,
2990                                        )
2991                                    })
2992                                    .on_click(cx.listener({
2993                                        move |_, _, window, cx| {
2994                                            window.dispatch_action(
2995                                                git::ExpandCommitEditor.boxed_clone(),
2996                                                cx,
2997                                            )
2998                                        }
2999                                    })),
3000                            ),
3001                    ),
3002            );
3003
3004        Some(footer)
3005    }
3006
3007    fn render_previous_commit(&self, cx: &mut Context<Self>) -> Option<impl IntoElement> {
3008        let active_repository = self.active_repository.as_ref()?;
3009        let branch = active_repository.read(cx).current_branch()?;
3010        let commit = branch.most_recent_commit.as_ref()?.clone();
3011
3012        let this = cx.entity();
3013        Some(
3014            h_flex()
3015                .items_center()
3016                .py_2()
3017                .px(px(8.))
3018                .border_color(cx.theme().colors().border)
3019                .gap_1p5()
3020                .child(
3021                    div()
3022                        .flex_grow()
3023                        .overflow_hidden()
3024                        .items_center()
3025                        .max_w(relative(0.85))
3026                        .h_full()
3027                        .child(
3028                            Label::new(commit.subject.clone())
3029                                .size(LabelSize::Small)
3030                                .truncate(),
3031                        )
3032                        .id("commit-msg-hover")
3033                        .hoverable_tooltip(move |window, cx| {
3034                            GitPanelMessageTooltip::new(
3035                                this.clone(),
3036                                commit.sha.clone(),
3037                                window,
3038                                cx,
3039                            )
3040                            .into()
3041                        }),
3042                )
3043                .child(div().flex_1())
3044                .when(commit.has_parent, |this| {
3045                    let has_unstaged = self.has_unstaged_changes();
3046                    this.child(
3047                        panel_icon_button("undo", IconName::Undo)
3048                            .icon_size(IconSize::Small)
3049                            .icon_color(Color::Muted)
3050                            .tooltip(move |window, cx| {
3051                                Tooltip::with_meta(
3052                                    "Uncommit",
3053                                    Some(&git::Uncommit),
3054                                    if has_unstaged {
3055                                        "git reset HEAD^ --soft"
3056                                    } else {
3057                                        "git reset HEAD^"
3058                                    },
3059                                    window,
3060                                    cx,
3061                                )
3062                            })
3063                            .on_click(cx.listener(|this, _, window, cx| this.uncommit(window, cx))),
3064                    )
3065                }),
3066        )
3067    }
3068
3069    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
3070        h_flex()
3071            .h_full()
3072            .flex_grow()
3073            .justify_center()
3074            .items_center()
3075            .child(
3076                v_flex()
3077                    .gap_2()
3078                    .child(h_flex().w_full().justify_around().child(
3079                        if self.active_repository.is_some() {
3080                            "No changes to commit"
3081                        } else {
3082                            "No Git repositories"
3083                        },
3084                    ))
3085                    .children({
3086                        let worktree_count = self.project.read(cx).visible_worktrees(cx).count();
3087                        (worktree_count > 0 && self.active_repository.is_none()).then(|| {
3088                            h_flex().w_full().justify_around().child(
3089                                panel_filled_button("Initialize Repository")
3090                                    .tooltip(Tooltip::for_action_title_in(
3091                                        "git init",
3092                                        &git::Init,
3093                                        &self.focus_handle,
3094                                    ))
3095                                    .on_click(move |_, _, cx| {
3096                                        cx.defer(move |cx| {
3097                                            cx.dispatch_action(&git::Init);
3098                                        })
3099                                    }),
3100                            )
3101                        })
3102                    })
3103                    .text_ui_sm(cx)
3104                    .mx_auto()
3105                    .text_color(Color::Placeholder.color(cx)),
3106            )
3107    }
3108
3109    fn render_vertical_scrollbar(
3110        &self,
3111        show_horizontal_scrollbar_container: bool,
3112        cx: &mut Context<Self>,
3113    ) -> impl IntoElement {
3114        div()
3115            .id("git-panel-vertical-scroll")
3116            .occlude()
3117            .flex_none()
3118            .h_full()
3119            .cursor_default()
3120            .absolute()
3121            .right_0()
3122            .top_0()
3123            .bottom_0()
3124            .w(px(12.))
3125            .when(show_horizontal_scrollbar_container, |this| {
3126                this.pb_neg_3p5()
3127            })
3128            .on_mouse_move(cx.listener(|_, _, _, cx| {
3129                cx.notify();
3130                cx.stop_propagation()
3131            }))
3132            .on_hover(|_, _, cx| {
3133                cx.stop_propagation();
3134            })
3135            .on_any_mouse_down(|_, _, cx| {
3136                cx.stop_propagation();
3137            })
3138            .on_mouse_up(
3139                MouseButton::Left,
3140                cx.listener(|this, _, window, cx| {
3141                    if !this.vertical_scrollbar.state.is_dragging()
3142                        && !this.focus_handle.contains_focused(window, cx)
3143                    {
3144                        this.vertical_scrollbar.hide(window, cx);
3145                        cx.notify();
3146                    }
3147
3148                    cx.stop_propagation();
3149                }),
3150            )
3151            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3152                cx.notify();
3153            }))
3154            .children(Scrollbar::vertical(
3155                // percentage as f32..end_offset as f32,
3156                self.vertical_scrollbar.state.clone(),
3157            ))
3158    }
3159
3160    /// Renders the horizontal scrollbar.
3161    ///
3162    /// The right offset is used to determine how far to the right the
3163    /// scrollbar should extend to, useful for ensuring it doesn't collide
3164    /// with the vertical scrollbar when visible.
3165    fn render_horizontal_scrollbar(
3166        &self,
3167        right_offset: Pixels,
3168        cx: &mut Context<Self>,
3169    ) -> impl IntoElement {
3170        div()
3171            .id("git-panel-horizontal-scroll")
3172            .occlude()
3173            .flex_none()
3174            .w_full()
3175            .cursor_default()
3176            .absolute()
3177            .bottom_neg_px()
3178            .left_0()
3179            .right_0()
3180            .pr(right_offset)
3181            .on_mouse_move(cx.listener(|_, _, _, cx| {
3182                cx.notify();
3183                cx.stop_propagation()
3184            }))
3185            .on_hover(|_, _, cx| {
3186                cx.stop_propagation();
3187            })
3188            .on_any_mouse_down(|_, _, cx| {
3189                cx.stop_propagation();
3190            })
3191            .on_mouse_up(
3192                MouseButton::Left,
3193                cx.listener(|this, _, window, cx| {
3194                    if !this.horizontal_scrollbar.state.is_dragging()
3195                        && !this.focus_handle.contains_focused(window, cx)
3196                    {
3197                        this.horizontal_scrollbar.hide(window, cx);
3198                        cx.notify();
3199                    }
3200
3201                    cx.stop_propagation();
3202                }),
3203            )
3204            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3205                cx.notify();
3206            }))
3207            .children(Scrollbar::horizontal(
3208                // percentage as f32..end_offset as f32,
3209                self.horizontal_scrollbar.state.clone(),
3210            ))
3211    }
3212
3213    fn render_buffer_header_controls(
3214        &self,
3215        entity: &Entity<Self>,
3216        file: &Arc<dyn File>,
3217        _: &Window,
3218        cx: &App,
3219    ) -> Option<AnyElement> {
3220        let repo = self.active_repository.as_ref()?.read(cx);
3221        let repo_path = repo.worktree_id_path_to_repo_path(file.worktree_id(cx), file.path())?;
3222        let ix = self.entry_by_path(&repo_path)?;
3223        let entry = self.entries.get(ix)?;
3224
3225        let entry_staging = self.entry_staging(entry.status_entry()?);
3226
3227        let checkbox = Checkbox::new("stage-file", entry_staging.as_bool().into())
3228            .disabled(!self.has_write_access(cx))
3229            .fill()
3230            .elevation(ElevationIndex::Surface)
3231            .on_click({
3232                let entry = entry.clone();
3233                let git_panel = entity.downgrade();
3234                move |_, window, cx| {
3235                    git_panel
3236                        .update(cx, |this, cx| {
3237                            this.toggle_staged_for_entry(&entry, window, cx);
3238                            cx.stop_propagation();
3239                        })
3240                        .ok();
3241                }
3242            });
3243        Some(
3244            h_flex()
3245                .id("start-slot")
3246                .text_lg()
3247                .child(checkbox)
3248                .on_mouse_down(MouseButton::Left, |_, _, cx| {
3249                    // prevent the list item active state triggering when toggling checkbox
3250                    cx.stop_propagation();
3251                })
3252                .into_any_element(),
3253        )
3254    }
3255
3256    fn render_entries(
3257        &self,
3258        has_write_access: bool,
3259        _: &Window,
3260        cx: &mut Context<Self>,
3261    ) -> impl IntoElement {
3262        let entry_count = self.entries.len();
3263
3264        let scroll_track_size = px(16.);
3265
3266        let h_scroll_offset = if self.vertical_scrollbar.show_scrollbar {
3267            // magic number
3268            px(3.)
3269        } else {
3270            px(0.)
3271        };
3272
3273        v_flex()
3274            .flex_1()
3275            .size_full()
3276            .overflow_hidden()
3277            .relative()
3278            // Show a border on the top and bottom of the container when
3279            // the vertical scrollbar container is visible so we don't have a
3280            // floating left border in the panel.
3281            .when(self.vertical_scrollbar.show_track, |this| {
3282                this.border_t_1()
3283                    .border_b_1()
3284                    .border_color(cx.theme().colors().border)
3285            })
3286            .child(
3287                h_flex()
3288                    .flex_1()
3289                    .size_full()
3290                    .relative()
3291                    .overflow_hidden()
3292                    .child(
3293                        uniform_list(cx.entity().clone(), "entries", entry_count, {
3294                            move |this, range, window, cx| {
3295                                let mut items = Vec::with_capacity(range.end - range.start);
3296
3297                                for ix in range {
3298                                    match &this.entries.get(ix) {
3299                                        Some(GitListEntry::GitStatusEntry(entry)) => {
3300                                            items.push(this.render_entry(
3301                                                ix,
3302                                                entry,
3303                                                has_write_access,
3304                                                window,
3305                                                cx,
3306                                            ));
3307                                        }
3308                                        Some(GitListEntry::Header(header)) => {
3309                                            items.push(this.render_list_header(
3310                                                ix,
3311                                                header,
3312                                                has_write_access,
3313                                                window,
3314                                                cx,
3315                                            ));
3316                                        }
3317                                        None => {}
3318                                    }
3319                                }
3320
3321                                items
3322                            }
3323                        })
3324                        .size_full()
3325                        .flex_grow()
3326                        .with_sizing_behavior(ListSizingBehavior::Auto)
3327                        .with_horizontal_sizing_behavior(
3328                            ListHorizontalSizingBehavior::Unconstrained,
3329                        )
3330                        .with_width_from_item(self.max_width_item_index)
3331                        .track_scroll(self.scroll_handle.clone()),
3332                    )
3333                    .on_mouse_down(
3334                        MouseButton::Right,
3335                        cx.listener(move |this, event: &MouseDownEvent, window, cx| {
3336                            this.deploy_panel_context_menu(event.position, window, cx)
3337                        }),
3338                    )
3339                    .when(self.vertical_scrollbar.show_track, |this| {
3340                        this.child(
3341                            v_flex()
3342                                .h_full()
3343                                .flex_none()
3344                                .w(scroll_track_size)
3345                                .bg(cx.theme().colors().panel_background)
3346                                .child(
3347                                    div()
3348                                        .size_full()
3349                                        .flex_1()
3350                                        .border_l_1()
3351                                        .border_color(cx.theme().colors().border),
3352                                ),
3353                        )
3354                    })
3355                    .when(self.vertical_scrollbar.show_scrollbar, |this| {
3356                        this.child(
3357                            self.render_vertical_scrollbar(
3358                                self.horizontal_scrollbar.show_track,
3359                                cx,
3360                            ),
3361                        )
3362                    }),
3363            )
3364            .when(self.horizontal_scrollbar.show_track, |this| {
3365                this.child(
3366                    h_flex()
3367                        .w_full()
3368                        .h(scroll_track_size)
3369                        .flex_none()
3370                        .relative()
3371                        .child(
3372                            div()
3373                                .w_full()
3374                                .flex_1()
3375                                // for some reason the horizontal scrollbar is 1px
3376                                // taller than the vertical scrollbar??
3377                                .h(scroll_track_size - px(1.))
3378                                .bg(cx.theme().colors().panel_background)
3379                                .border_t_1()
3380                                .border_color(cx.theme().colors().border),
3381                        )
3382                        .when(self.vertical_scrollbar.show_track, |this| {
3383                            this.child(
3384                                div()
3385                                    .flex_none()
3386                                    // -1px prevents a missing pixel between the two container borders
3387                                    .w(scroll_track_size - px(1.))
3388                                    .h_full(),
3389                            )
3390                            .child(
3391                                // HACK: Fill the missing 1px 🥲
3392                                div()
3393                                    .absolute()
3394                                    .right(scroll_track_size - px(1.))
3395                                    .bottom(scroll_track_size - px(1.))
3396                                    .size_px()
3397                                    .bg(cx.theme().colors().border),
3398                            )
3399                        }),
3400                )
3401            })
3402            .when(self.horizontal_scrollbar.show_scrollbar, |this| {
3403                this.child(self.render_horizontal_scrollbar(h_scroll_offset, cx))
3404            })
3405    }
3406
3407    fn entry_label(&self, label: impl Into<SharedString>, color: Color) -> Label {
3408        Label::new(label.into()).color(color).single_line()
3409    }
3410
3411    fn list_item_height(&self) -> Rems {
3412        rems(1.75)
3413    }
3414
3415    fn render_list_header(
3416        &self,
3417        ix: usize,
3418        header: &GitHeaderEntry,
3419        _: bool,
3420        _: &Window,
3421        _: &Context<Self>,
3422    ) -> AnyElement {
3423        let id: ElementId = ElementId::Name(format!("header_{}", ix).into());
3424
3425        h_flex()
3426            .id(id)
3427            .h(self.list_item_height())
3428            .w_full()
3429            .items_end()
3430            .px(rems(0.75)) // ~12px
3431            .pb(rems(0.3125)) // ~ 5px
3432            .child(
3433                Label::new(header.title())
3434                    .color(Color::Muted)
3435                    .size(LabelSize::Small)
3436                    .line_height_style(LineHeightStyle::UiLabel)
3437                    .single_line(),
3438            )
3439            .into_any_element()
3440    }
3441
3442    fn load_commit_details(
3443        &self,
3444        sha: String,
3445        cx: &mut Context<Self>,
3446    ) -> Task<anyhow::Result<CommitDetails>> {
3447        let Some(repo) = self.active_repository.clone() else {
3448            return Task::ready(Err(anyhow::anyhow!("no active repo")));
3449        };
3450        repo.update(cx, |repo, cx| {
3451            let show = repo.show(sha);
3452            cx.spawn(|_, _| async move { show.await? })
3453        })
3454    }
3455
3456    fn deploy_entry_context_menu(
3457        &mut self,
3458        position: Point<Pixels>,
3459        ix: usize,
3460        window: &mut Window,
3461        cx: &mut Context<Self>,
3462    ) {
3463        let Some(entry) = self.entries.get(ix).and_then(|e| e.status_entry()) else {
3464            return;
3465        };
3466        let stage_title = if entry.status.staging().is_fully_staged() {
3467            "Unstage File"
3468        } else {
3469            "Stage File"
3470        };
3471        let restore_title = if entry.status.is_created() {
3472            "Trash File"
3473        } else {
3474            "Restore File"
3475        };
3476        let context_menu = ContextMenu::build(window, cx, |context_menu, _, _| {
3477            context_menu
3478                .context(self.focus_handle.clone())
3479                .action(stage_title, ToggleStaged.boxed_clone())
3480                .action(restore_title, git::RestoreFile.boxed_clone())
3481                .separator()
3482                .action("Open Diff", Confirm.boxed_clone())
3483                .action("Open File", SecondaryConfirm.boxed_clone())
3484        });
3485        self.selected_entry = Some(ix);
3486        self.set_context_menu(context_menu, position, window, cx);
3487    }
3488
3489    fn deploy_panel_context_menu(
3490        &mut self,
3491        position: Point<Pixels>,
3492        window: &mut Window,
3493        cx: &mut Context<Self>,
3494    ) {
3495        let context_menu = git_panel_context_menu(self.focus_handle.clone(), window, cx);
3496        self.set_context_menu(context_menu, position, window, cx);
3497    }
3498
3499    fn set_context_menu(
3500        &mut self,
3501        context_menu: Entity<ContextMenu>,
3502        position: Point<Pixels>,
3503        window: &Window,
3504        cx: &mut Context<Self>,
3505    ) {
3506        let subscription = cx.subscribe_in(
3507            &context_menu,
3508            window,
3509            |this, _, _: &DismissEvent, window, cx| {
3510                if this.context_menu.as_ref().is_some_and(|context_menu| {
3511                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
3512                }) {
3513                    cx.focus_self(window);
3514                }
3515                this.context_menu.take();
3516                cx.notify();
3517            },
3518        );
3519        self.context_menu = Some((context_menu, position, subscription));
3520        cx.notify();
3521    }
3522
3523    fn render_entry(
3524        &self,
3525        ix: usize,
3526        entry: &GitStatusEntry,
3527        has_write_access: bool,
3528        window: &Window,
3529        cx: &Context<Self>,
3530    ) -> AnyElement {
3531        let display_name = entry.display_name();
3532
3533        let selected = self.selected_entry == Some(ix);
3534        let marked = self.marked_entries.contains(&ix);
3535        let status_style = GitPanelSettings::get_global(cx).status_style;
3536        let status = entry.status;
3537        let modifiers = self.current_modifiers;
3538        let shift_held = modifiers.shift;
3539
3540        let has_conflict = status.is_conflicted();
3541        let is_modified = status.is_modified();
3542        let is_deleted = status.is_deleted();
3543
3544        let label_color = if status_style == StatusStyle::LabelColor {
3545            if has_conflict {
3546                Color::Conflict
3547            } else if is_modified {
3548                Color::Modified
3549            } else if is_deleted {
3550                // We don't want a bunch of red labels in the list
3551                Color::Disabled
3552            } else {
3553                Color::Created
3554            }
3555        } else {
3556            Color::Default
3557        };
3558
3559        let path_color = if status.is_deleted() {
3560            Color::Disabled
3561        } else {
3562            Color::Muted
3563        };
3564
3565        let id: ElementId = ElementId::Name(format!("entry_{}_{}", display_name, ix).into());
3566        let checkbox_wrapper_id: ElementId =
3567            ElementId::Name(format!("entry_{}_{}_checkbox_wrapper", display_name, ix).into());
3568        let checkbox_id: ElementId =
3569            ElementId::Name(format!("entry_{}_{}_checkbox", display_name, ix).into());
3570
3571        let entry_staging = self.entry_staging(entry);
3572        let mut is_staged: ToggleState = self.entry_staging(entry).as_bool().into();
3573
3574        if !self.has_staged_changes() && !self.has_conflicts() && !entry.status.is_created() {
3575            is_staged = ToggleState::Selected;
3576        }
3577
3578        let handle = cx.weak_entity();
3579
3580        let selected_bg_alpha = 0.08;
3581        let marked_bg_alpha = 0.12;
3582        let state_opacity_step = 0.04;
3583
3584        let base_bg = match (selected, marked) {
3585            (true, true) => cx
3586                .theme()
3587                .status()
3588                .info
3589                .alpha(selected_bg_alpha + marked_bg_alpha),
3590            (true, false) => cx.theme().status().info.alpha(selected_bg_alpha),
3591            (false, true) => cx.theme().status().info.alpha(marked_bg_alpha),
3592            _ => cx.theme().colors().ghost_element_background,
3593        };
3594
3595        let hover_bg = if selected {
3596            cx.theme()
3597                .status()
3598                .info
3599                .alpha(selected_bg_alpha + state_opacity_step)
3600        } else {
3601            cx.theme().colors().ghost_element_hover
3602        };
3603
3604        let active_bg = if selected {
3605            cx.theme()
3606                .status()
3607                .info
3608                .alpha(selected_bg_alpha + state_opacity_step * 2.0)
3609        } else {
3610            cx.theme().colors().ghost_element_active
3611        };
3612
3613        h_flex()
3614            .id(id)
3615            .h(self.list_item_height())
3616            .w_full()
3617            .items_center()
3618            .border_1()
3619            .when(selected && self.focus_handle.is_focused(window), |el| {
3620                el.border_color(cx.theme().colors().border_focused)
3621            })
3622            .px(rems(0.75)) // ~12px
3623            .overflow_hidden()
3624            .flex_none()
3625            .gap_1p5()
3626            .bg(base_bg)
3627            .hover(|this| this.bg(hover_bg))
3628            .active(|this| this.bg(active_bg))
3629            .on_click({
3630                cx.listener(move |this, event: &ClickEvent, window, cx| {
3631                    this.selected_entry = Some(ix);
3632                    cx.notify();
3633                    if event.modifiers().secondary() {
3634                        this.open_file(&Default::default(), window, cx)
3635                    } else {
3636                        this.open_diff(&Default::default(), window, cx);
3637                        this.focus_handle.focus(window);
3638                    }
3639                })
3640            })
3641            .on_mouse_down(
3642                MouseButton::Right,
3643                move |event: &MouseDownEvent, window, cx| {
3644                    // why isn't this happening automatically? we are passing MouseButton::Right to `on_mouse_down`?
3645                    if event.button != MouseButton::Right {
3646                        return;
3647                    }
3648
3649                    let Some(this) = handle.upgrade() else {
3650                        return;
3651                    };
3652                    this.update(cx, |this, cx| {
3653                        this.deploy_entry_context_menu(event.position, ix, window, cx);
3654                    });
3655                    cx.stop_propagation();
3656                },
3657            )
3658            // .on_secondary_mouse_down(cx.listener(
3659            //     move |this, event: &MouseDownEvent, window, cx| {
3660            //         this.deploy_entry_context_menu(event.position, ix, window, cx);
3661            //         cx.stop_propagation();
3662            //     },
3663            // ))
3664            .child(
3665                div()
3666                    .id(checkbox_wrapper_id)
3667                    .flex_none()
3668                    .occlude()
3669                    .cursor_pointer()
3670                    .child(
3671                        Checkbox::new(checkbox_id, is_staged)
3672                            .disabled(!has_write_access)
3673                            .fill()
3674                            .placeholder(
3675                                !self.has_staged_changes()
3676                                    && !self.has_conflicts()
3677                                    && !entry.status.is_created(),
3678                            )
3679                            .elevation(ElevationIndex::Surface)
3680                            .on_click({
3681                                let entry = entry.clone();
3682                                cx.listener(move |this, _, window, cx| {
3683                                    if !has_write_access {
3684                                        return;
3685                                    }
3686                                    this.toggle_staged_for_entry(
3687                                        &GitListEntry::GitStatusEntry(entry.clone()),
3688                                        window,
3689                                        cx,
3690                                    );
3691                                    cx.stop_propagation();
3692                                })
3693                            })
3694                            .tooltip(move |window, cx| {
3695                                let is_staged = entry_staging.is_fully_staged();
3696
3697                                let action = if is_staged { "Unstage" } else { "Stage" };
3698                                let tooltip_name = if shift_held {
3699                                    format!("{} section", action)
3700                                } else {
3701                                    action.to_string()
3702                                };
3703
3704                                let meta = if shift_held {
3705                                    format!(
3706                                        "Release shift to {} single entry",
3707                                        action.to_lowercase()
3708                                    )
3709                                } else {
3710                                    format!("Shift click to {} section", action.to_lowercase())
3711                                };
3712
3713                                Tooltip::with_meta(
3714                                    tooltip_name,
3715                                    Some(&ToggleStaged),
3716                                    meta,
3717                                    window,
3718                                    cx,
3719                                )
3720                            }),
3721                    ),
3722            )
3723            .child(git_status_icon(status))
3724            .child(
3725                h_flex()
3726                    .items_center()
3727                    .flex_1()
3728                    // .overflow_hidden()
3729                    .when_some(entry.parent_dir(), |this, parent| {
3730                        if !parent.is_empty() {
3731                            this.child(
3732                                self.entry_label(format!("{}/", parent), path_color)
3733                                    .when(status.is_deleted(), |this| this.strikethrough()),
3734                            )
3735                        } else {
3736                            this
3737                        }
3738                    })
3739                    .child(
3740                        self.entry_label(display_name.clone(), label_color)
3741                            .when(status.is_deleted(), |this| this.strikethrough()),
3742                    ),
3743            )
3744            .into_any_element()
3745    }
3746
3747    fn has_write_access(&self, cx: &App) -> bool {
3748        !self.project.read(cx).is_read_only(cx)
3749    }
3750}
3751
3752fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn LanguageModel>> {
3753    assistant_settings::AssistantSettings::get_global(cx)
3754        .enabled
3755        .then(|| {
3756            let provider = LanguageModelRegistry::read_global(cx).active_provider()?;
3757            let model = LanguageModelRegistry::read_global(cx).active_model()?;
3758            provider.is_authenticated(cx).then(|| model)
3759        })
3760        .flatten()
3761}
3762
3763impl Render for GitPanel {
3764    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3765        let project = self.project.read(cx);
3766        let has_entries = self.entries.len() > 0;
3767        let room = self
3768            .workspace
3769            .upgrade()
3770            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned());
3771
3772        let has_write_access = self.has_write_access(cx);
3773
3774        let has_co_authors = room.map_or(false, |room| {
3775            room.read(cx)
3776                .remote_participants()
3777                .values()
3778                .any(|remote_participant| remote_participant.can_write())
3779        });
3780
3781        v_flex()
3782            .id("git_panel")
3783            .key_context(self.dispatch_context(window, cx))
3784            .track_focus(&self.focus_handle)
3785            .on_modifiers_changed(cx.listener(Self::handle_modifiers_changed))
3786            .when(has_write_access && !project.is_read_only(cx), |this| {
3787                this.on_action(cx.listener(Self::toggle_staged_for_selected))
3788                    .on_action(cx.listener(GitPanel::commit))
3789                    .on_action(cx.listener(Self::stage_all))
3790                    .on_action(cx.listener(Self::unstage_all))
3791                    .on_action(cx.listener(Self::stage_selected))
3792                    .on_action(cx.listener(Self::unstage_selected))
3793                    .on_action(cx.listener(Self::restore_tracked_files))
3794                    .on_action(cx.listener(Self::revert_selected))
3795                    .on_action(cx.listener(Self::clean_all))
3796                    .on_action(cx.listener(Self::generate_commit_message_action))
3797            })
3798            .on_action(cx.listener(Self::select_first))
3799            .on_action(cx.listener(Self::select_next))
3800            .on_action(cx.listener(Self::select_previous))
3801            .on_action(cx.listener(Self::select_last))
3802            .on_action(cx.listener(Self::close_panel))
3803            .on_action(cx.listener(Self::open_diff))
3804            .on_action(cx.listener(Self::open_file))
3805            .on_action(cx.listener(Self::focus_changes_list))
3806            .on_action(cx.listener(Self::focus_editor))
3807            .on_action(cx.listener(Self::expand_commit_editor))
3808            .when(has_write_access && has_co_authors, |git_panel| {
3809                git_panel.on_action(cx.listener(Self::toggle_fill_co_authors))
3810            })
3811            .on_hover(cx.listener(move |this, hovered, window, cx| {
3812                if *hovered {
3813                    this.horizontal_scrollbar.show(cx);
3814                    this.vertical_scrollbar.show(cx);
3815                    cx.notify();
3816                } else if !this.focus_handle.contains_focused(window, cx) {
3817                    this.hide_scrollbars(window, cx);
3818                }
3819            }))
3820            .size_full()
3821            .overflow_hidden()
3822            .bg(ElevationIndex::Surface.bg(cx))
3823            .child(
3824                v_flex()
3825                    .size_full()
3826                    .children(self.render_panel_header(window, cx))
3827                    .map(|this| {
3828                        if has_entries {
3829                            this.child(self.render_entries(has_write_access, window, cx))
3830                        } else {
3831                            this.child(self.render_empty_state(cx).into_any_element())
3832                        }
3833                    })
3834                    .children(self.render_footer(window, cx))
3835                    .children(self.render_previous_commit(cx))
3836                    .into_any_element(),
3837            )
3838            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
3839                deferred(
3840                    anchored()
3841                        .position(*position)
3842                        .anchor(Corner::TopLeft)
3843                        .child(menu.clone()),
3844                )
3845                .with_priority(1)
3846            }))
3847    }
3848}
3849
3850impl Focusable for GitPanel {
3851    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
3852        if self.entries.is_empty() {
3853            self.commit_editor.focus_handle(cx)
3854        } else {
3855            self.focus_handle.clone()
3856        }
3857    }
3858}
3859
3860impl EventEmitter<Event> for GitPanel {}
3861
3862impl EventEmitter<PanelEvent> for GitPanel {}
3863
3864pub(crate) struct GitPanelAddon {
3865    pub(crate) workspace: WeakEntity<Workspace>,
3866}
3867
3868impl editor::Addon for GitPanelAddon {
3869    fn to_any(&self) -> &dyn std::any::Any {
3870        self
3871    }
3872
3873    fn render_buffer_header_controls(
3874        &self,
3875        excerpt_info: &ExcerptInfo,
3876        window: &Window,
3877        cx: &App,
3878    ) -> Option<AnyElement> {
3879        let file = excerpt_info.buffer.file()?;
3880        let git_panel = self.workspace.upgrade()?.read(cx).panel::<GitPanel>(cx)?;
3881
3882        git_panel
3883            .read(cx)
3884            .render_buffer_header_controls(&git_panel, &file, window, cx)
3885    }
3886}
3887
3888impl Panel for GitPanel {
3889    fn persistent_name() -> &'static str {
3890        "GitPanel"
3891    }
3892
3893    fn position(&self, _: &Window, cx: &App) -> DockPosition {
3894        GitPanelSettings::get_global(cx).dock
3895    }
3896
3897    fn position_is_valid(&self, position: DockPosition) -> bool {
3898        matches!(position, DockPosition::Left | DockPosition::Right)
3899    }
3900
3901    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
3902        settings::update_settings_file::<GitPanelSettings>(
3903            self.fs.clone(),
3904            cx,
3905            move |settings, _| settings.dock = Some(position),
3906        );
3907    }
3908
3909    fn size(&self, _: &Window, cx: &App) -> Pixels {
3910        self.width
3911            .unwrap_or_else(|| GitPanelSettings::get_global(cx).default_width)
3912    }
3913
3914    fn set_size(&mut self, size: Option<Pixels>, _: &mut Window, cx: &mut Context<Self>) {
3915        self.width = size;
3916        self.serialize(cx);
3917        cx.notify();
3918    }
3919
3920    fn icon(&self, _: &Window, cx: &App) -> Option<ui::IconName> {
3921        Some(ui::IconName::GitBranchSmall).filter(|_| GitPanelSettings::get_global(cx).button)
3922    }
3923
3924    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
3925        Some("Git Panel")
3926    }
3927
3928    fn toggle_action(&self) -> Box<dyn Action> {
3929        Box::new(ToggleFocus)
3930    }
3931
3932    fn activation_priority(&self) -> u32 {
3933        2
3934    }
3935}
3936
3937impl PanelHeader for GitPanel {}
3938
3939struct GitPanelMessageTooltip {
3940    commit_tooltip: Option<Entity<CommitTooltip>>,
3941}
3942
3943impl GitPanelMessageTooltip {
3944    fn new(
3945        git_panel: Entity<GitPanel>,
3946        sha: SharedString,
3947        window: &mut Window,
3948        cx: &mut App,
3949    ) -> Entity<Self> {
3950        cx.new(|cx| {
3951            cx.spawn_in(window, |this, mut cx| async move {
3952                let details = git_panel
3953                    .update(&mut cx, |git_panel, cx| {
3954                        git_panel.load_commit_details(sha.to_string(), cx)
3955                    })?
3956                    .await?;
3957
3958                let commit_details = editor::commit_tooltip::CommitDetails {
3959                    sha: details.sha.clone(),
3960                    committer_name: details.committer_name.clone(),
3961                    committer_email: details.committer_email.clone(),
3962                    commit_time: OffsetDateTime::from_unix_timestamp(details.commit_timestamp)?,
3963                    message: Some(editor::commit_tooltip::ParsedCommitMessage {
3964                        message: details.message.clone(),
3965                        ..Default::default()
3966                    }),
3967                };
3968
3969                this.update_in(&mut cx, |this: &mut GitPanelMessageTooltip, window, cx| {
3970                    this.commit_tooltip =
3971                        Some(cx.new(move |cx| CommitTooltip::new(commit_details, window, cx)));
3972                    cx.notify();
3973                })
3974            })
3975            .detach();
3976
3977            Self {
3978                commit_tooltip: None,
3979            }
3980        })
3981    }
3982}
3983
3984impl Render for GitPanelMessageTooltip {
3985    fn render(&mut self, _window: &mut Window, _cx: &mut Context<'_, Self>) -> impl IntoElement {
3986        if let Some(commit_tooltip) = &self.commit_tooltip {
3987            commit_tooltip.clone().into_any_element()
3988        } else {
3989            gpui::Empty.into_any_element()
3990        }
3991    }
3992}
3993
3994#[derive(IntoElement, IntoComponent)]
3995#[component(scope = "Version Control")]
3996pub struct PanelRepoFooter {
3997    active_repository: SharedString,
3998    branch: Option<Branch>,
3999    // Getting a GitPanel in previews will be difficult.
4000    //
4001    // For now just take an option here, and we won't bind handlers to buttons in previews.
4002    git_panel: Option<Entity<GitPanel>>,
4003}
4004
4005impl PanelRepoFooter {
4006    pub fn new(
4007        active_repository: SharedString,
4008        branch: Option<Branch>,
4009        git_panel: Option<Entity<GitPanel>>,
4010    ) -> Self {
4011        Self {
4012            active_repository,
4013            branch,
4014            git_panel,
4015        }
4016    }
4017
4018    pub fn new_preview(active_repository: SharedString, branch: Option<Branch>) -> Self {
4019        Self {
4020            active_repository,
4021            branch,
4022            git_panel: None,
4023        }
4024    }
4025}
4026
4027impl RenderOnce for PanelRepoFooter {
4028    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
4029        let project = self
4030            .git_panel
4031            .as_ref()
4032            .map(|panel| panel.read(cx).project.clone());
4033
4034        let repo = self
4035            .git_panel
4036            .as_ref()
4037            .and_then(|panel| panel.read(cx).active_repository.clone());
4038
4039        let single_repo = project
4040            .as_ref()
4041            .map(|project| {
4042                filtered_repository_entries(project.read(cx).git_store().read(cx), cx).len() == 1
4043            })
4044            .unwrap_or(true);
4045
4046        const MAX_BRANCH_LEN: usize = 16;
4047        const MAX_REPO_LEN: usize = 16;
4048        const LABEL_CHARACTER_BUDGET: usize = MAX_BRANCH_LEN + MAX_REPO_LEN;
4049
4050        let branch = self.branch.clone();
4051        let branch_name = branch
4052            .as_ref()
4053            .map_or(" (no branch)".into(), |branch| branch.name.clone());
4054        let active_repo_name = self.active_repository.clone();
4055
4056        let branch_actual_len = branch_name.len();
4057        let repo_actual_len = active_repo_name.len();
4058
4059        // ideally, show the whole branch and repo names but
4060        // when we can't, use a budget to allocate space between the two
4061        let (repo_display_len, branch_display_len) = if branch_actual_len + repo_actual_len
4062            <= LABEL_CHARACTER_BUDGET
4063        {
4064            (repo_actual_len, branch_actual_len)
4065        } else {
4066            if branch_actual_len <= MAX_BRANCH_LEN {
4067                let repo_space = (LABEL_CHARACTER_BUDGET - branch_actual_len).min(MAX_REPO_LEN);
4068                (repo_space, branch_actual_len)
4069            } else if repo_actual_len <= MAX_REPO_LEN {
4070                let branch_space = (LABEL_CHARACTER_BUDGET - repo_actual_len).min(MAX_BRANCH_LEN);
4071                (repo_actual_len, branch_space)
4072            } else {
4073                (MAX_REPO_LEN, MAX_BRANCH_LEN)
4074            }
4075        };
4076
4077        let truncated_repo_name = if repo_actual_len <= repo_display_len {
4078            active_repo_name.to_string()
4079        } else {
4080            util::truncate_and_trailoff(active_repo_name.trim_ascii(), repo_display_len)
4081        };
4082
4083        let truncated_branch_name = if branch_actual_len <= branch_display_len {
4084            branch_name.to_string()
4085        } else {
4086            util::truncate_and_trailoff(branch_name.trim_ascii(), branch_display_len)
4087        };
4088
4089        let repo_selector_trigger = Button::new("repo-selector", truncated_repo_name)
4090            .style(ButtonStyle::Transparent)
4091            .size(ButtonSize::None)
4092            .label_size(LabelSize::Small)
4093            .color(Color::Muted);
4094
4095        let repo_selector = PopoverMenu::new("repository-switcher")
4096            .menu({
4097                let project = project.clone();
4098                move |window, cx| {
4099                    let project = project.clone()?;
4100                    Some(cx.new(|cx| RepositorySelector::new(project, rems(16.), window, cx)))
4101                }
4102            })
4103            .trigger_with_tooltip(
4104                repo_selector_trigger.disabled(single_repo).truncate(true),
4105                Tooltip::text("Switch active repository"),
4106            )
4107            .anchor(Corner::BottomLeft)
4108            .into_any_element();
4109
4110        let branch_selector_button = Button::new("branch-selector", truncated_branch_name)
4111            .style(ButtonStyle::Transparent)
4112            .size(ButtonSize::None)
4113            .label_size(LabelSize::Small)
4114            .truncate(true)
4115            .tooltip(Tooltip::for_action_title(
4116                "Switch Branch",
4117                &zed_actions::git::Branch,
4118            ))
4119            .on_click(|_, window, cx| {
4120                window.dispatch_action(zed_actions::git::Branch.boxed_clone(), cx);
4121            });
4122
4123        let branch_selector = PopoverMenu::new("popover-button")
4124            .menu(move |window, cx| Some(branch_picker::popover(repo.clone(), window, cx)))
4125            .trigger_with_tooltip(
4126                branch_selector_button,
4127                Tooltip::for_action_title("Switch Branch", &zed_actions::git::Branch),
4128            )
4129            .anchor(Corner::BottomLeft)
4130            .offset(gpui::Point {
4131                x: px(0.0),
4132                y: px(-2.0),
4133            });
4134
4135        h_flex()
4136            .w_full()
4137            .px_2()
4138            .h(px(36.))
4139            .items_center()
4140            .justify_between()
4141            .gap_1()
4142            .child(
4143                h_flex()
4144                    .flex_1()
4145                    .overflow_hidden()
4146                    .items_center()
4147                    .child(
4148                        div().child(
4149                            Icon::new(IconName::GitBranchSmall)
4150                                .size(IconSize::Small)
4151                                .color(if single_repo {
4152                                    Color::Disabled
4153                                } else {
4154                                    Color::Muted
4155                                }),
4156                        ),
4157                    )
4158                    .child(repo_selector)
4159                    .when_some(branch.clone(), |this, _| {
4160                        this.child(
4161                            div()
4162                                .text_color(cx.theme().colors().text_muted)
4163                                .text_sm()
4164                                .child("/"),
4165                        )
4166                    })
4167                    .child(branch_selector),
4168            )
4169            .children(if let Some(git_panel) = self.git_panel {
4170                git_panel.update(cx, |git_panel, cx| git_panel.render_remote_button(cx))
4171            } else {
4172                None
4173            })
4174    }
4175}
4176
4177impl ComponentPreview for PanelRepoFooter {
4178    fn preview(_window: &mut Window, _cx: &mut App) -> AnyElement {
4179        let unknown_upstream = None;
4180        let no_remote_upstream = Some(UpstreamTracking::Gone);
4181        let ahead_of_upstream = Some(
4182            UpstreamTrackingStatus {
4183                ahead: 2,
4184                behind: 0,
4185            }
4186            .into(),
4187        );
4188        let behind_upstream = Some(
4189            UpstreamTrackingStatus {
4190                ahead: 0,
4191                behind: 2,
4192            }
4193            .into(),
4194        );
4195        let ahead_and_behind_upstream = Some(
4196            UpstreamTrackingStatus {
4197                ahead: 3,
4198                behind: 1,
4199            }
4200            .into(),
4201        );
4202
4203        let not_ahead_or_behind_upstream = Some(
4204            UpstreamTrackingStatus {
4205                ahead: 0,
4206                behind: 0,
4207            }
4208            .into(),
4209        );
4210
4211        fn branch(upstream: Option<UpstreamTracking>) -> Branch {
4212            Branch {
4213                is_head: true,
4214                name: "some-branch".into(),
4215                upstream: upstream.map(|tracking| Upstream {
4216                    ref_name: "origin/some-branch".into(),
4217                    tracking,
4218                }),
4219                most_recent_commit: Some(CommitSummary {
4220                    sha: "abc123".into(),
4221                    subject: "Modify stuff".into(),
4222                    commit_timestamp: 1710932954,
4223                    has_parent: true,
4224                }),
4225            }
4226        }
4227
4228        fn custom(branch_name: &str, upstream: Option<UpstreamTracking>) -> Branch {
4229            Branch {
4230                is_head: true,
4231                name: branch_name.to_string().into(),
4232                upstream: upstream.map(|tracking| Upstream {
4233                    ref_name: format!("zed/{}", branch_name).into(),
4234                    tracking,
4235                }),
4236                most_recent_commit: Some(CommitSummary {
4237                    sha: "abc123".into(),
4238                    subject: "Modify stuff".into(),
4239                    commit_timestamp: 1710932954,
4240                    has_parent: true,
4241                }),
4242            }
4243        }
4244
4245        fn active_repository(id: usize) -> SharedString {
4246            format!("repo-{}", id).into()
4247        }
4248
4249        let example_width = px(340.);
4250
4251        v_flex()
4252            .gap_6()
4253            .w_full()
4254            .flex_none()
4255            .children(vec![example_group_with_title(
4256                "Action Button States",
4257                vec![
4258                    single_example(
4259                        "No Branch",
4260                        div()
4261                            .w(example_width)
4262                            .overflow_hidden()
4263                            .child(PanelRepoFooter::new_preview(
4264                                active_repository(1).clone(),
4265                                None,
4266                            ))
4267                            .into_any_element(),
4268                    )
4269                    .grow(),
4270                    single_example(
4271                        "Remote status unknown",
4272                        div()
4273                            .w(example_width)
4274                            .overflow_hidden()
4275                            .child(PanelRepoFooter::new_preview(
4276                                active_repository(2).clone(),
4277                                Some(branch(unknown_upstream)),
4278                            ))
4279                            .into_any_element(),
4280                    )
4281                    .grow(),
4282                    single_example(
4283                        "No Remote Upstream",
4284                        div()
4285                            .w(example_width)
4286                            .overflow_hidden()
4287                            .child(PanelRepoFooter::new_preview(
4288                                active_repository(3).clone(),
4289                                Some(branch(no_remote_upstream)),
4290                            ))
4291                            .into_any_element(),
4292                    )
4293                    .grow(),
4294                    single_example(
4295                        "Not Ahead or Behind",
4296                        div()
4297                            .w(example_width)
4298                            .overflow_hidden()
4299                            .child(PanelRepoFooter::new_preview(
4300                                active_repository(4).clone(),
4301                                Some(branch(not_ahead_or_behind_upstream)),
4302                            ))
4303                            .into_any_element(),
4304                    )
4305                    .grow(),
4306                    single_example(
4307                        "Behind remote",
4308                        div()
4309                            .w(example_width)
4310                            .overflow_hidden()
4311                            .child(PanelRepoFooter::new_preview(
4312                                active_repository(5).clone(),
4313                                Some(branch(behind_upstream)),
4314                            ))
4315                            .into_any_element(),
4316                    )
4317                    .grow(),
4318                    single_example(
4319                        "Ahead of remote",
4320                        div()
4321                            .w(example_width)
4322                            .overflow_hidden()
4323                            .child(PanelRepoFooter::new_preview(
4324                                active_repository(6).clone(),
4325                                Some(branch(ahead_of_upstream)),
4326                            ))
4327                            .into_any_element(),
4328                    )
4329                    .grow(),
4330                    single_example(
4331                        "Ahead and behind remote",
4332                        div()
4333                            .w(example_width)
4334                            .overflow_hidden()
4335                            .child(PanelRepoFooter::new_preview(
4336                                active_repository(7).clone(),
4337                                Some(branch(ahead_and_behind_upstream)),
4338                            ))
4339                            .into_any_element(),
4340                    )
4341                    .grow(),
4342                ],
4343            )
4344            .grow()
4345            .vertical()])
4346            .children(vec![example_group_with_title(
4347                "Labels",
4348                vec![
4349                    single_example(
4350                        "Short Branch & Repo",
4351                        div()
4352                            .w(example_width)
4353                            .overflow_hidden()
4354                            .child(PanelRepoFooter::new_preview(
4355                                SharedString::from("zed"),
4356                                Some(custom("main", behind_upstream)),
4357                            ))
4358                            .into_any_element(),
4359                    )
4360                    .grow(),
4361                    single_example(
4362                        "Long Branch",
4363                        div()
4364                            .w(example_width)
4365                            .overflow_hidden()
4366                            .child(PanelRepoFooter::new_preview(
4367                                SharedString::from("zed"),
4368                                Some(custom(
4369                                    "redesign-and-update-git-ui-list-entry-style",
4370                                    behind_upstream,
4371                                )),
4372                            ))
4373                            .into_any_element(),
4374                    )
4375                    .grow(),
4376                    single_example(
4377                        "Long Repo",
4378                        div()
4379                            .w(example_width)
4380                            .overflow_hidden()
4381                            .child(PanelRepoFooter::new_preview(
4382                                SharedString::from("zed-industries-community-examples"),
4383                                Some(custom("gpui", ahead_of_upstream)),
4384                            ))
4385                            .into_any_element(),
4386                    )
4387                    .grow(),
4388                    single_example(
4389                        "Long Repo & Branch",
4390                        div()
4391                            .w(example_width)
4392                            .overflow_hidden()
4393                            .child(PanelRepoFooter::new_preview(
4394                                SharedString::from("zed-industries-community-examples"),
4395                                Some(custom(
4396                                    "redesign-and-update-git-ui-list-entry-style",
4397                                    behind_upstream,
4398                                )),
4399                            ))
4400                            .into_any_element(),
4401                    )
4402                    .grow(),
4403                    single_example(
4404                        "Uppercase Repo",
4405                        div()
4406                            .w(example_width)
4407                            .overflow_hidden()
4408                            .child(PanelRepoFooter::new_preview(
4409                                SharedString::from("LICENSES"),
4410                                Some(custom("main", ahead_of_upstream)),
4411                            ))
4412                            .into_any_element(),
4413                    )
4414                    .grow(),
4415                    single_example(
4416                        "Uppercase Branch",
4417                        div()
4418                            .w(example_width)
4419                            .overflow_hidden()
4420                            .child(PanelRepoFooter::new_preview(
4421                                SharedString::from("zed"),
4422                                Some(custom("update-README", behind_upstream)),
4423                            ))
4424                            .into_any_element(),
4425                    )
4426                    .grow(),
4427                ],
4428            )
4429            .grow()
4430            .vertical()])
4431            .into_any_element()
4432    }
4433}
4434
4435#[cfg(test)]
4436mod tests {
4437    use git::status::StatusCode;
4438    use gpui::TestAppContext;
4439    use project::{FakeFs, WorktreeSettings};
4440    use serde_json::json;
4441    use settings::SettingsStore;
4442    use theme::LoadThemes;
4443    use util::path;
4444
4445    use super::*;
4446
4447    fn init_test(cx: &mut gpui::TestAppContext) {
4448        if std::env::var("RUST_LOG").is_ok() {
4449            env_logger::try_init().ok();
4450        }
4451
4452        cx.update(|cx| {
4453            let settings_store = SettingsStore::test(cx);
4454            cx.set_global(settings_store);
4455            AssistantSettings::register(cx);
4456            WorktreeSettings::register(cx);
4457            workspace::init_settings(cx);
4458            theme::init(LoadThemes::JustBase, cx);
4459            language::init(cx);
4460            editor::init(cx);
4461            Project::init_settings(cx);
4462            crate::init(cx);
4463        });
4464    }
4465
4466    #[gpui::test]
4467    async fn test_entry_worktree_paths(cx: &mut TestAppContext) {
4468        init_test(cx);
4469        let fs = FakeFs::new(cx.background_executor.clone());
4470        fs.insert_tree(
4471            "/root",
4472            json!({
4473                "zed": {
4474                    ".git": {},
4475                    "crates": {
4476                        "gpui": {
4477                            "gpui.rs": "fn main() {}"
4478                        },
4479                        "util": {
4480                            "util.rs": "fn do_it() {}"
4481                        }
4482                    }
4483                },
4484            }),
4485        )
4486        .await;
4487
4488        fs.set_status_for_repo_via_git_operation(
4489            Path::new(path!("/root/zed/.git")),
4490            &[
4491                (
4492                    Path::new("crates/gpui/gpui.rs"),
4493                    StatusCode::Modified.worktree(),
4494                ),
4495                (
4496                    Path::new("crates/util/util.rs"),
4497                    StatusCode::Modified.worktree(),
4498                ),
4499            ],
4500        );
4501
4502        let project =
4503            Project::test(fs.clone(), [path!("/root/zed/crates/gpui").as_ref()], cx).await;
4504        let (workspace, cx) =
4505            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4506
4507        cx.read(|cx| {
4508            project
4509                .read(cx)
4510                .worktrees(cx)
4511                .nth(0)
4512                .unwrap()
4513                .read(cx)
4514                .as_local()
4515                .unwrap()
4516                .scan_complete()
4517        })
4518        .await;
4519
4520        cx.executor().run_until_parked();
4521
4522        let app_state = workspace.update(cx, |workspace, _| workspace.app_state().clone());
4523        let panel = cx.new_window_entity(|window, cx| {
4524            GitPanel::new(workspace.clone(), project.clone(), app_state, window, cx)
4525        });
4526
4527        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4528            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4529        });
4530        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4531        handle.await;
4532
4533        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4534        pretty_assertions::assert_eq!(
4535            entries,
4536            [
4537                GitListEntry::Header(GitHeaderEntry {
4538                    header: Section::Tracked
4539                }),
4540                GitListEntry::GitStatusEntry(GitStatusEntry {
4541                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4542                    repo_path: "crates/gpui/gpui.rs".into(),
4543                    worktree_path: Path::new("gpui.rs").into(),
4544                    status: StatusCode::Modified.worktree(),
4545                    staging: StageStatus::Unstaged,
4546                }),
4547                GitListEntry::GitStatusEntry(GitStatusEntry {
4548                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4549                    repo_path: "crates/util/util.rs".into(),
4550                    worktree_path: Path::new("../util/util.rs").into(),
4551                    status: StatusCode::Modified.worktree(),
4552                    staging: StageStatus::Unstaged,
4553                },),
4554            ],
4555        );
4556
4557        cx.update_window_entity(&panel, |panel, window, cx| {
4558            panel.select_last(&Default::default(), window, cx);
4559            assert_eq!(panel.selected_entry, Some(2));
4560            panel.open_diff(&Default::default(), window, cx);
4561        });
4562        cx.run_until_parked();
4563
4564        let worktree_roots = workspace.update(cx, |workspace, cx| {
4565            workspace
4566                .worktrees(cx)
4567                .map(|worktree| worktree.read(cx).abs_path())
4568                .collect::<Vec<_>>()
4569        });
4570        pretty_assertions::assert_eq!(
4571            worktree_roots,
4572            vec![
4573                Path::new(path!("/root/zed/crates/gpui")).into(),
4574                Path::new(path!("/root/zed/crates/util/util.rs")).into(),
4575            ]
4576        );
4577
4578        project.update(cx, |project, cx| {
4579            let git_store = project.git_store().read(cx);
4580            // The repo that comes from the single-file worktree can't be selected through the UI.
4581            let filtered_entries = filtered_repository_entries(git_store, cx)
4582                .iter()
4583                .map(|repo| repo.read(cx).worktree_abs_path.clone())
4584                .collect::<Vec<_>>();
4585            assert_eq!(
4586                filtered_entries,
4587                [Path::new(path!("/root/zed/crates/gpui")).into()]
4588            );
4589            // But we can select it artificially here.
4590            let repo_from_single_file_worktree = git_store
4591                .repositories()
4592                .values()
4593                .find(|repo| {
4594                    repo.read(cx).worktree_abs_path.as_ref()
4595                        == Path::new(path!("/root/zed/crates/util/util.rs"))
4596                })
4597                .unwrap()
4598                .clone();
4599
4600            // Paths still make sense when we somehow activate a repo that comes from a single-file worktree.
4601            repo_from_single_file_worktree.update(cx, |repo, cx| repo.set_as_active_repository(cx));
4602        });
4603
4604        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4605            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4606        });
4607        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4608        handle.await;
4609        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4610        pretty_assertions::assert_eq!(
4611            entries,
4612            [
4613                GitListEntry::Header(GitHeaderEntry {
4614                    header: Section::Tracked
4615                }),
4616                GitListEntry::GitStatusEntry(GitStatusEntry {
4617                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4618                    repo_path: "crates/gpui/gpui.rs".into(),
4619                    worktree_path: Path::new("../../gpui/gpui.rs").into(),
4620                    status: StatusCode::Modified.worktree(),
4621                    staging: StageStatus::Unstaged,
4622                }),
4623                GitListEntry::GitStatusEntry(GitStatusEntry {
4624                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4625                    repo_path: "crates/util/util.rs".into(),
4626                    worktree_path: Path::new("util.rs").into(),
4627                    status: StatusCode::Modified.worktree(),
4628                    staging: StageStatus::Unstaged,
4629                },),
4630            ],
4631        );
4632    }
4633}