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_store::{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, async move |panel, cx| {
 272            cx.background_executor()
 273                .timer(SCROLLBAR_SHOW_INTERVAL)
 274                .await;
 275
 276            if let Some(panel) = panel.upgrade() {
 277                panel
 278                    .update(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, async move |_, cx| {
 973                    match prompt.await? {
 974                        TrashCancel::Trash => {}
 975                        TrashCancel::Cancel => return Ok(()),
 976                    }
 977                    let task = workspace.update(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(async move |_, cx| {
1013            let tasks: Vec<_> = workspace.update(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(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(async move |this, cx| {
1059            let result = task.await;
1060
1061            this.update(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(async move |this, cx| match prompt.await {
1124            Ok(RestoreCancel::RestoreTrackedFiles) => {
1125                this.update(cx, |this, cx| {
1126                    this.perform_checkout(entries, cx);
1127                })
1128                .ok();
1129            }
1130            _ => {
1131                return;
1132            }
1133        })
1134        .detach();
1135    }
1136
1137    fn clean_all(&mut self, _: &TrashUntrackedFiles, window: &mut Window, cx: &mut Context<Self>) {
1138        let workspace = self.workspace.clone();
1139        let Some(active_repo) = self.active_repository.clone() else {
1140            return;
1141        };
1142        let to_delete = self
1143            .entries
1144            .iter()
1145            .filter_map(|entry| entry.status_entry())
1146            .filter(|status_entry| status_entry.status.is_created())
1147            .cloned()
1148            .collect::<Vec<_>>();
1149
1150        match to_delete.len() {
1151            0 => return,
1152            1 => return self.revert_entry(&to_delete[0], window, cx),
1153            _ => {}
1154        };
1155
1156        let mut details = to_delete
1157            .iter()
1158            .map(|entry| {
1159                entry
1160                    .repo_path
1161                    .0
1162                    .file_name()
1163                    .map(|f| f.to_string_lossy())
1164                    .unwrap_or_default()
1165            })
1166            .take(5)
1167            .join("\n");
1168
1169        if to_delete.len() > 5 {
1170            details.push_str(&format!("\nand {} more…", to_delete.len() - 5))
1171        }
1172
1173        let prompt = prompt("Trash these files?", Some(&details), window, cx);
1174        cx.spawn_in(window, async move |this, cx| {
1175            match prompt.await? {
1176                TrashCancel::Trash => {}
1177                TrashCancel::Cancel => return Ok(()),
1178            }
1179            let tasks = workspace.update(cx, |workspace, cx| {
1180                to_delete
1181                    .iter()
1182                    .filter_map(|entry| {
1183                        workspace.project().update(cx, |project, cx| {
1184                            let project_path = active_repo
1185                                .read(cx)
1186                                .repo_path_to_project_path(&entry.repo_path)?;
1187                            project.delete_file(project_path, true, cx)
1188                        })
1189                    })
1190                    .collect::<Vec<_>>()
1191            })?;
1192            let to_unstage = to_delete
1193                .into_iter()
1194                .filter(|entry| !entry.status.staging().is_fully_unstaged())
1195                .collect();
1196            this.update(cx, |this, cx| this.change_file_stage(false, to_unstage, cx))?;
1197            for task in tasks {
1198                task.await?;
1199            }
1200            Ok(())
1201        })
1202        .detach_and_prompt_err("Failed to trash files", window, cx, |e, _, _| {
1203            Some(format!("{e}"))
1204        });
1205    }
1206
1207    pub fn stage_all(&mut self, _: &StageAll, _window: &mut Window, cx: &mut Context<Self>) {
1208        let entries = self
1209            .entries
1210            .iter()
1211            .filter_map(|entry| entry.status_entry())
1212            .filter(|status_entry| status_entry.staging.has_unstaged())
1213            .cloned()
1214            .collect::<Vec<_>>();
1215        self.change_file_stage(true, entries, cx);
1216    }
1217
1218    pub fn unstage_all(&mut self, _: &UnstageAll, _window: &mut Window, cx: &mut Context<Self>) {
1219        let entries = self
1220            .entries
1221            .iter()
1222            .filter_map(|entry| entry.status_entry())
1223            .filter(|status_entry| status_entry.staging.has_staged())
1224            .cloned()
1225            .collect::<Vec<_>>();
1226        self.change_file_stage(false, entries, cx);
1227    }
1228
1229    fn toggle_staged_for_entry(
1230        &mut self,
1231        entry: &GitListEntry,
1232        _window: &mut Window,
1233        cx: &mut Context<Self>,
1234    ) {
1235        let Some(active_repository) = self.active_repository.as_ref() else {
1236            return;
1237        };
1238        let (stage, repo_paths) = match entry {
1239            GitListEntry::GitStatusEntry(status_entry) => {
1240                if status_entry.status.staging().is_fully_staged() {
1241                    (false, vec![status_entry.clone()])
1242                } else {
1243                    (true, vec![status_entry.clone()])
1244                }
1245            }
1246            GitListEntry::Header(section) => {
1247                let goal_staged_state = !self.header_state(section.header).selected();
1248                let repository = active_repository.read(cx);
1249                let entries = self
1250                    .entries
1251                    .iter()
1252                    .filter_map(|entry| entry.status_entry())
1253                    .filter(|status_entry| {
1254                        section.contains(&status_entry, repository)
1255                            && status_entry.staging.as_bool() != Some(goal_staged_state)
1256                    })
1257                    .map(|status_entry| status_entry.clone())
1258                    .collect::<Vec<_>>();
1259
1260                (goal_staged_state, entries)
1261            }
1262        };
1263        self.change_file_stage(stage, repo_paths, cx);
1264    }
1265
1266    fn change_file_stage(
1267        &mut self,
1268        stage: bool,
1269        entries: Vec<GitStatusEntry>,
1270        cx: &mut Context<Self>,
1271    ) {
1272        let Some(active_repository) = self.active_repository.clone() else {
1273            return;
1274        };
1275        let op_id = self.pending.iter().map(|p| p.op_id).max().unwrap_or(0) + 1;
1276        self.pending.push(PendingOperation {
1277            op_id,
1278            target_status: if stage {
1279                TargetStatus::Staged
1280            } else {
1281                TargetStatus::Unstaged
1282            },
1283            entries: entries.clone(),
1284            finished: false,
1285        });
1286        let repository = active_repository.read(cx);
1287        self.update_counts(repository);
1288        cx.notify();
1289
1290        cx.spawn({
1291            async move |this, cx| {
1292                let result = cx
1293                    .update(|cx| {
1294                        if stage {
1295                            active_repository.update(cx, |repo, cx| {
1296                                let repo_paths = entries
1297                                    .iter()
1298                                    .map(|entry| entry.repo_path.clone())
1299                                    .collect();
1300                                repo.stage_entries(repo_paths, cx)
1301                            })
1302                        } else {
1303                            active_repository.update(cx, |repo, cx| {
1304                                let repo_paths = entries
1305                                    .iter()
1306                                    .map(|entry| entry.repo_path.clone())
1307                                    .collect();
1308                                repo.unstage_entries(repo_paths, cx)
1309                            })
1310                        }
1311                    })?
1312                    .await;
1313
1314                this.update(cx, |this, cx| {
1315                    for pending in this.pending.iter_mut() {
1316                        if pending.op_id == op_id {
1317                            pending.finished = true
1318                        }
1319                    }
1320                    result
1321                        .map_err(|e| {
1322                            this.show_error_toast(if stage { "add" } else { "reset" }, e, cx);
1323                        })
1324                        .ok();
1325                    cx.notify();
1326                })
1327            }
1328        })
1329        .detach();
1330    }
1331
1332    pub fn total_staged_count(&self) -> usize {
1333        self.tracked_staged_count + self.new_staged_count + self.conflicted_staged_count
1334    }
1335
1336    pub fn commit_message_buffer(&self, cx: &App) -> Entity<Buffer> {
1337        self.commit_editor
1338            .read(cx)
1339            .buffer()
1340            .read(cx)
1341            .as_singleton()
1342            .unwrap()
1343            .clone()
1344    }
1345
1346    fn toggle_staged_for_selected(
1347        &mut self,
1348        _: &git::ToggleStaged,
1349        window: &mut Window,
1350        cx: &mut Context<Self>,
1351    ) {
1352        if let Some(selected_entry) = self.get_selected_entry().cloned() {
1353            self.toggle_staged_for_entry(&selected_entry, window, cx);
1354        }
1355    }
1356
1357    fn stage_selected(&mut self, _: &git::StageFile, _window: &mut Window, cx: &mut Context<Self>) {
1358        let Some(selected_entry) = self.get_selected_entry() else {
1359            return;
1360        };
1361        let Some(status_entry) = selected_entry.status_entry() else {
1362            return;
1363        };
1364        if status_entry.staging != StageStatus::Staged {
1365            self.change_file_stage(true, vec![status_entry.clone()], cx);
1366        }
1367    }
1368
1369    fn unstage_selected(
1370        &mut self,
1371        _: &git::UnstageFile,
1372        _window: &mut Window,
1373        cx: &mut Context<Self>,
1374    ) {
1375        let Some(selected_entry) = self.get_selected_entry() else {
1376            return;
1377        };
1378        let Some(status_entry) = selected_entry.status_entry() else {
1379            return;
1380        };
1381        if status_entry.staging != StageStatus::Unstaged {
1382            self.change_file_stage(false, vec![status_entry.clone()], cx);
1383        }
1384    }
1385
1386    fn commit(&mut self, _: &git::Commit, window: &mut Window, cx: &mut Context<Self>) {
1387        if self
1388            .commit_editor
1389            .focus_handle(cx)
1390            .contains_focused(window, cx)
1391        {
1392            telemetry::event!("Git Committed", source = "Git Panel");
1393            self.commit_changes(window, cx)
1394        } else {
1395            cx.propagate();
1396        }
1397    }
1398
1399    fn custom_or_suggested_commit_message(&self, cx: &mut Context<Self>) -> Option<String> {
1400        let message = self.commit_editor.read(cx).text(cx);
1401
1402        if !message.trim().is_empty() {
1403            return Some(message.to_string());
1404        }
1405
1406        self.suggest_commit_message(cx)
1407            .filter(|message| !message.trim().is_empty())
1408    }
1409
1410    pub(crate) fn commit_changes(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1411        let Some(active_repository) = self.active_repository.clone() else {
1412            return;
1413        };
1414        let error_spawn = |message, window: &mut Window, cx: &mut App| {
1415            let prompt = window.prompt(PromptLevel::Warning, message, None, &["Ok"], cx);
1416            cx.spawn(async move |_| {
1417                prompt.await.ok();
1418            })
1419            .detach();
1420        };
1421
1422        if self.has_unstaged_conflicts() {
1423            error_spawn(
1424                "There are still conflicts. You must stage these before committing",
1425                window,
1426                cx,
1427            );
1428            return;
1429        }
1430
1431        let commit_message = self.custom_or_suggested_commit_message(cx);
1432
1433        let Some(mut message) = commit_message else {
1434            self.commit_editor.read(cx).focus_handle(cx).focus(window);
1435            return;
1436        };
1437
1438        if self.add_coauthors {
1439            self.fill_co_authors(&mut message, cx);
1440        }
1441
1442        let task = if self.has_staged_changes() {
1443            // Repository serializes all git operations, so we can just send a commit immediately
1444            let commit_task =
1445                active_repository.update(cx, |repo, cx| repo.commit(message.into(), None, cx));
1446            cx.background_spawn(async move { commit_task.await? })
1447        } else {
1448            let changed_files = self
1449                .entries
1450                .iter()
1451                .filter_map(|entry| entry.status_entry())
1452                .filter(|status_entry| !status_entry.status.is_created())
1453                .map(|status_entry| status_entry.repo_path.clone())
1454                .collect::<Vec<_>>();
1455
1456            if changed_files.is_empty() {
1457                error_spawn("No changes to commit", window, cx);
1458                return;
1459            }
1460
1461            let stage_task =
1462                active_repository.update(cx, |repo, cx| repo.stage_entries(changed_files, cx));
1463            cx.spawn(async move |_, cx| {
1464                stage_task.await?;
1465                let commit_task = active_repository
1466                    .update(cx, |repo, cx| repo.commit(message.into(), None, cx))?;
1467                commit_task.await?
1468            })
1469        };
1470        let task = cx.spawn_in(window, async move |this, cx| {
1471            let result = task.await;
1472            this.update_in(cx, |this, window, cx| {
1473                this.pending_commit.take();
1474                match result {
1475                    Ok(()) => {
1476                        this.commit_editor
1477                            .update(cx, |editor, cx| editor.clear(window, cx));
1478                    }
1479                    Err(e) => this.show_error_toast("commit", e, cx),
1480                }
1481            })
1482            .ok();
1483        });
1484
1485        self.pending_commit = Some(task);
1486    }
1487
1488    fn uncommit(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1489        let Some(repo) = self.active_repository.clone() else {
1490            return;
1491        };
1492        telemetry::event!("Git Uncommitted");
1493
1494        let confirmation = self.check_for_pushed_commits(window, cx);
1495        let prior_head = self.load_commit_details("HEAD".to_string(), cx);
1496
1497        let task = cx.spawn_in(window, async move |this, cx| {
1498            let result = maybe!(async {
1499                if let Ok(true) = confirmation.await {
1500                    let prior_head = prior_head.await?;
1501
1502                    repo.update(cx, |repo, cx| {
1503                        repo.reset("HEAD^".to_string(), ResetMode::Soft, cx)
1504                    })?
1505                    .await??;
1506
1507                    Ok(Some(prior_head))
1508                } else {
1509                    Ok(None)
1510                }
1511            })
1512            .await;
1513
1514            this.update_in(cx, |this, window, cx| {
1515                this.pending_commit.take();
1516                match result {
1517                    Ok(None) => {}
1518                    Ok(Some(prior_commit)) => {
1519                        this.commit_editor.update(cx, |editor, cx| {
1520                            editor.set_text(prior_commit.message, window, cx)
1521                        });
1522                    }
1523                    Err(e) => this.show_error_toast("reset", e, cx),
1524                }
1525            })
1526            .ok();
1527        });
1528
1529        self.pending_commit = Some(task);
1530    }
1531
1532    fn check_for_pushed_commits(
1533        &mut self,
1534        window: &mut Window,
1535        cx: &mut Context<Self>,
1536    ) -> impl Future<Output = Result<bool, anyhow::Error>> {
1537        let repo = self.active_repository.clone();
1538        let mut cx = window.to_async(cx);
1539
1540        async move {
1541            let Some(repo) = repo else {
1542                return Err(anyhow::anyhow!("No active repository"));
1543            };
1544
1545            let pushed_to: Vec<SharedString> = repo
1546                .update(&mut cx, |repo, _| repo.check_for_pushed_commits())?
1547                .await??;
1548
1549            if pushed_to.is_empty() {
1550                Ok(true)
1551            } else {
1552                #[derive(strum::EnumIter, strum::VariantNames)]
1553                #[strum(serialize_all = "title_case")]
1554                enum CancelUncommit {
1555                    Uncommit,
1556                    Cancel,
1557                }
1558                let detail = format!(
1559                    "This commit was already pushed to {}.",
1560                    pushed_to.into_iter().join(", ")
1561                );
1562                let result = cx
1563                    .update(|window, cx| prompt("Are you sure?", Some(&detail), window, cx))?
1564                    .await?;
1565
1566                match result {
1567                    CancelUncommit::Cancel => Ok(false),
1568                    CancelUncommit::Uncommit => Ok(true),
1569                }
1570            }
1571        }
1572    }
1573
1574    /// Suggests a commit message based on the changed files and their statuses
1575    pub fn suggest_commit_message(&self, cx: &App) -> Option<String> {
1576        if let Some(merge_message) = self
1577            .active_repository
1578            .as_ref()
1579            .and_then(|repo| repo.read(cx).merge_message.as_ref())
1580        {
1581            return Some(merge_message.clone());
1582        }
1583
1584        let git_status_entry = if let Some(staged_entry) = &self.single_staged_entry {
1585            Some(staged_entry)
1586        } else if let Some(single_tracked_entry) = &self.single_tracked_entry {
1587            Some(single_tracked_entry)
1588        } else {
1589            None
1590        }?;
1591
1592        let action_text = if git_status_entry.status.is_deleted() {
1593            Some("Delete")
1594        } else if git_status_entry.status.is_created() {
1595            Some("Create")
1596        } else if git_status_entry.status.is_modified() {
1597            Some("Update")
1598        } else {
1599            None
1600        }?;
1601
1602        let file_name = git_status_entry
1603            .repo_path
1604            .file_name()
1605            .unwrap_or_default()
1606            .to_string_lossy();
1607
1608        Some(format!("{} {}", action_text, file_name))
1609    }
1610
1611    fn generate_commit_message_action(
1612        &mut self,
1613        _: &git::GenerateCommitMessage,
1614        _window: &mut Window,
1615        cx: &mut Context<Self>,
1616    ) {
1617        self.generate_commit_message(cx);
1618    }
1619
1620    /// Generates a commit message using an LLM.
1621    pub fn generate_commit_message(&mut self, cx: &mut Context<Self>) {
1622        if !self.can_commit() {
1623            return;
1624        }
1625
1626        let model = match current_language_model(cx) {
1627            Some(value) => value,
1628            None => return,
1629        };
1630
1631        let Some(repo) = self.active_repository.as_ref() else {
1632            return;
1633        };
1634
1635        telemetry::event!("Git Commit Message Generated");
1636
1637        let diff = repo.update(cx, |repo, cx| {
1638            if self.has_staged_changes() {
1639                repo.diff(DiffType::HeadToIndex, cx)
1640            } else {
1641                repo.diff(DiffType::HeadToWorktree, cx)
1642            }
1643        });
1644
1645        self.generate_commit_message_task = Some(cx.spawn(async move |this, cx| {
1646             async move {
1647                let _defer = cx.on_drop(&this, |this, _cx| {
1648                    this.generate_commit_message_task.take();
1649                });
1650
1651                let mut diff_text = diff.await??;
1652
1653                const ONE_MB: usize = 1_000_000;
1654                if diff_text.len() > ONE_MB {
1655                    diff_text = diff_text.chars().take(ONE_MB).collect()
1656                }
1657
1658                let subject = this.update(cx, |this, cx| {
1659                    this.commit_editor.read(cx).text(cx).lines().next().map(ToOwned::to_owned).unwrap_or_default()
1660                })?;
1661
1662                let text_empty = subject.trim().is_empty();
1663
1664                let content = if text_empty {
1665                    format!("{PROMPT}\nHere are the changes in this commit:\n{diff_text}")
1666                } else {
1667                    format!("{PROMPT}\nHere is the user's subject line:\n{subject}\nHere are the changes in this commit:\n{diff_text}\n")
1668                };
1669
1670                const PROMPT: &str = include_str!("commit_message_prompt.txt");
1671
1672                let request = LanguageModelRequest {
1673                    messages: vec![LanguageModelRequestMessage {
1674                        role: Role::User,
1675                        content: vec![content.into()],
1676                        cache: false,
1677                    }],
1678                    tools: Vec::new(),
1679                    stop: Vec::new(),
1680                    temperature: None,
1681                };
1682
1683                let stream = model.stream_completion_text(request, &cx);
1684                let mut messages = stream.await?;
1685
1686                if !text_empty {
1687                    this.update(cx, |this, cx| {
1688                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1689                            let insert_position = buffer.anchor_before(buffer.len());
1690                            buffer.edit([(insert_position..insert_position, "\n")], None, cx)
1691                        });
1692                    })?;
1693                }
1694
1695                while let Some(message) = messages.stream.next().await {
1696                    let text = message?;
1697
1698                    this.update(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, text)], None, cx);
1702                        });
1703                    })?;
1704                }
1705
1706                anyhow::Ok(())
1707            }
1708            .log_err().await
1709        }));
1710    }
1711
1712    pub(crate) fn fetch(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1713        if !self.can_push_and_pull(cx) {
1714            return;
1715        }
1716
1717        let Some(repo) = self.active_repository.clone() else {
1718            return;
1719        };
1720        telemetry::event!("Git Fetched");
1721        let guard = self.start_remote_operation();
1722        let askpass = self.askpass_delegate("git fetch", window, cx);
1723        let this = cx.weak_entity();
1724        window
1725            .spawn(cx, async move |cx| {
1726                let fetch = repo.update(cx, |repo, cx| repo.fetch(askpass, cx))?;
1727
1728                let remote_message = fetch.await?;
1729                drop(guard);
1730                this.update(cx, |this, cx| {
1731                    let action = RemoteAction::Fetch;
1732                    match remote_message {
1733                        Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1734                        Err(e) => {
1735                            log::error!("Error while fetching {:?}", e);
1736                            this.show_error_toast(action.name(), e, cx)
1737                        }
1738                    }
1739
1740                    anyhow::Ok(())
1741                })
1742                .ok();
1743                anyhow::Ok(())
1744            })
1745            .detach_and_log_err(cx);
1746    }
1747
1748    pub(crate) fn git_init(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1749        let worktrees = self
1750            .project
1751            .read(cx)
1752            .visible_worktrees(cx)
1753            .collect::<Vec<_>>();
1754
1755        let worktree = if worktrees.len() == 1 {
1756            Task::ready(Some(worktrees.first().unwrap().clone()))
1757        } else if worktrees.len() == 0 {
1758            let result = window.prompt(
1759                PromptLevel::Warning,
1760                "Unable to initialize a git repository",
1761                Some("Open a directory first"),
1762                &["Ok"],
1763                cx,
1764            );
1765            cx.background_executor()
1766                .spawn(async move {
1767                    result.await.ok();
1768                })
1769                .detach();
1770            return;
1771        } else {
1772            let worktree_directories = worktrees
1773                .iter()
1774                .map(|worktree| worktree.read(cx).abs_path())
1775                .map(|worktree_abs_path| {
1776                    if let Ok(path) = worktree_abs_path.strip_prefix(util::paths::home_dir()) {
1777                        Path::new("~")
1778                            .join(path)
1779                            .to_string_lossy()
1780                            .to_string()
1781                            .into()
1782                    } else {
1783                        worktree_abs_path.to_string_lossy().to_string().into()
1784                    }
1785                })
1786                .collect_vec();
1787            let prompt = picker_prompt::prompt(
1788                "Where would you like to initialize this git repository?",
1789                worktree_directories,
1790                self.workspace.clone(),
1791                window,
1792                cx,
1793            );
1794
1795            cx.spawn(async move |_, _| prompt.await.map(|ix| worktrees[ix].clone()))
1796        };
1797
1798        cx.spawn_in(window, async move |this, cx| {
1799            let worktree = match worktree.await {
1800                Some(worktree) => worktree,
1801                None => {
1802                    return;
1803                }
1804            };
1805
1806            let Ok(result) = this.update(cx, |this, cx| {
1807                let fallback_branch_name = GitPanelSettings::get_global(cx)
1808                    .fallback_branch_name
1809                    .clone();
1810                this.project.read(cx).git_init(
1811                    worktree.read(cx).abs_path(),
1812                    fallback_branch_name,
1813                    cx,
1814                )
1815            }) else {
1816                return;
1817            };
1818
1819            let result = result.await;
1820
1821            this.update_in(cx, |this, _, cx| match result {
1822                Ok(()) => {}
1823                Err(e) => this.show_error_toast("init", e, cx),
1824            })
1825            .ok();
1826        })
1827        .detach();
1828    }
1829
1830    pub(crate) fn pull(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1831        if !self.can_push_and_pull(cx) {
1832            return;
1833        }
1834        let Some(repo) = self.active_repository.clone() else {
1835            return;
1836        };
1837        let Some(branch) = repo.read(cx).current_branch() else {
1838            return;
1839        };
1840        telemetry::event!("Git Pulled");
1841        let branch = branch.clone();
1842        let remote = self.get_current_remote(window, cx);
1843        cx.spawn_in(window, async move |this, cx| {
1844            let remote = match remote.await {
1845                Ok(Some(remote)) => remote,
1846                Ok(None) => {
1847                    return Ok(());
1848                }
1849                Err(e) => {
1850                    log::error!("Failed to get current remote: {}", e);
1851                    this.update(cx, |this, cx| this.show_error_toast("pull", e, cx))
1852                        .ok();
1853                    return Ok(());
1854                }
1855            };
1856
1857            let askpass = this.update_in(cx, |this, window, cx| {
1858                this.askpass_delegate(format!("git pull {}", remote.name), window, cx)
1859            })?;
1860
1861            let guard = this
1862                .update(cx, |this, _| this.start_remote_operation())
1863                .ok();
1864
1865            let pull = repo.update(cx, |repo, cx| {
1866                repo.pull(branch.name.clone(), remote.name.clone(), askpass, cx)
1867            })?;
1868
1869            let remote_message = pull.await?;
1870            drop(guard);
1871
1872            let action = RemoteAction::Pull(remote);
1873            this.update(cx, |this, cx| match remote_message {
1874                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1875                Err(e) => {
1876                    log::error!("Error while pulling {:?}", e);
1877                    this.show_error_toast(action.name(), e, cx)
1878                }
1879            })
1880            .ok();
1881
1882            anyhow::Ok(())
1883        })
1884        .detach_and_log_err(cx);
1885    }
1886
1887    pub(crate) fn push(&mut self, force_push: bool, window: &mut Window, cx: &mut Context<Self>) {
1888        if !self.can_push_and_pull(cx) {
1889            return;
1890        }
1891        let Some(repo) = self.active_repository.clone() else {
1892            return;
1893        };
1894        let Some(branch) = repo.read(cx).current_branch() else {
1895            return;
1896        };
1897        telemetry::event!("Git Pushed");
1898        let branch = branch.clone();
1899
1900        let options = if force_push {
1901            Some(PushOptions::Force)
1902        } else {
1903            match branch.upstream {
1904                Some(Upstream {
1905                    tracking: UpstreamTracking::Gone,
1906                    ..
1907                })
1908                | None => Some(PushOptions::SetUpstream),
1909                _ => None,
1910            }
1911        };
1912        let remote = self.get_current_remote(window, cx);
1913
1914        cx.spawn_in(window, async move |this, cx| {
1915            let remote = match remote.await {
1916                Ok(Some(remote)) => remote,
1917                Ok(None) => {
1918                    return Ok(());
1919                }
1920                Err(e) => {
1921                    log::error!("Failed to get current remote: {}", e);
1922                    this.update(cx, |this, cx| this.show_error_toast("push", e, cx))
1923                        .ok();
1924                    return Ok(());
1925                }
1926            };
1927
1928            let askpass_delegate = this.update_in(cx, |this, window, cx| {
1929                this.askpass_delegate(format!("git push {}", remote.name), window, cx)
1930            })?;
1931
1932            let guard = this
1933                .update(cx, |this, _| this.start_remote_operation())
1934                .ok();
1935
1936            let push = repo.update(cx, |repo, cx| {
1937                repo.push(
1938                    branch.name.clone(),
1939                    remote.name.clone(),
1940                    options,
1941                    askpass_delegate,
1942                    cx,
1943                )
1944            })?;
1945
1946            let remote_output = push.await?;
1947            drop(guard);
1948
1949            let action = RemoteAction::Push(branch.name, remote);
1950            this.update(cx, |this, cx| match remote_output {
1951                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1952                Err(e) => {
1953                    log::error!("Error while pushing {:?}", e);
1954                    this.show_error_toast(action.name(), e, cx)
1955                }
1956            })?;
1957
1958            anyhow::Ok(())
1959        })
1960        .detach_and_log_err(cx);
1961    }
1962
1963    fn askpass_delegate(
1964        &self,
1965        operation: impl Into<SharedString>,
1966        window: &mut Window,
1967        cx: &mut Context<Self>,
1968    ) -> AskPassDelegate {
1969        let this = cx.weak_entity();
1970        let operation = operation.into();
1971        let window = window.window_handle();
1972        AskPassDelegate::new(&mut cx.to_async(), move |prompt, tx, cx| {
1973            window
1974                .update(cx, |_, window, cx| {
1975                    this.update(cx, |this, cx| {
1976                        this.workspace.update(cx, |workspace, cx| {
1977                            workspace.toggle_modal(window, cx, |window, cx| {
1978                                AskPassModal::new(operation.clone(), prompt.into(), tx, window, cx)
1979                            });
1980                        })
1981                    })
1982                })
1983                .ok();
1984        })
1985    }
1986
1987    fn can_push_and_pull(&self, cx: &App) -> bool {
1988        !self.project.read(cx).is_via_collab()
1989    }
1990
1991    fn get_current_remote(
1992        &mut self,
1993        window: &mut Window,
1994        cx: &mut Context<Self>,
1995    ) -> impl Future<Output = anyhow::Result<Option<Remote>>> {
1996        let repo = self.active_repository.clone();
1997        let workspace = self.workspace.clone();
1998        let mut cx = window.to_async(cx);
1999
2000        async move {
2001            let Some(repo) = repo else {
2002                return Err(anyhow::anyhow!("No active repository"));
2003            };
2004
2005            let mut current_remotes: Vec<Remote> = repo
2006                .update(&mut cx, |repo, _| {
2007                    let Some(current_branch) = repo.current_branch() else {
2008                        return Err(anyhow::anyhow!("No active branch"));
2009                    };
2010
2011                    Ok(repo.get_remotes(Some(current_branch.name.to_string())))
2012                })??
2013                .await??;
2014
2015            if current_remotes.len() == 0 {
2016                return Err(anyhow::anyhow!("No active remote"));
2017            } else if current_remotes.len() == 1 {
2018                return Ok(Some(current_remotes.pop().unwrap()));
2019            } else {
2020                let current_remotes: Vec<_> = current_remotes
2021                    .into_iter()
2022                    .map(|remotes| remotes.name)
2023                    .collect();
2024                let selection = cx
2025                    .update(|window, cx| {
2026                        picker_prompt::prompt(
2027                            "Pick which remote to push to",
2028                            current_remotes.clone(),
2029                            workspace,
2030                            window,
2031                            cx,
2032                        )
2033                    })?
2034                    .await;
2035
2036                Ok(selection.map(|selection| Remote {
2037                    name: current_remotes[selection].clone(),
2038                }))
2039            }
2040        }
2041    }
2042
2043    fn potential_co_authors(&self, cx: &App) -> Vec<(String, String)> {
2044        let mut new_co_authors = Vec::new();
2045        let project = self.project.read(cx);
2046
2047        let Some(room) = self
2048            .workspace
2049            .upgrade()
2050            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned())
2051        else {
2052            return Vec::default();
2053        };
2054
2055        let room = room.read(cx);
2056
2057        for (peer_id, collaborator) in project.collaborators() {
2058            if collaborator.is_host {
2059                continue;
2060            }
2061
2062            let Some(participant) = room.remote_participant_for_peer_id(*peer_id) else {
2063                continue;
2064            };
2065            if participant.can_write() && participant.user.email.is_some() {
2066                let email = participant.user.email.clone().unwrap();
2067
2068                new_co_authors.push((
2069                    participant
2070                        .user
2071                        .name
2072                        .clone()
2073                        .unwrap_or_else(|| participant.user.github_login.clone()),
2074                    email,
2075                ))
2076            }
2077        }
2078        if !project.is_local() && !project.is_read_only(cx) {
2079            if let Some(user) = room.local_participant_user(cx) {
2080                if let Some(email) = user.email.clone() {
2081                    new_co_authors.push((
2082                        user.name
2083                            .clone()
2084                            .unwrap_or_else(|| user.github_login.clone()),
2085                        email.clone(),
2086                    ))
2087                }
2088            }
2089        }
2090        new_co_authors
2091    }
2092
2093    fn toggle_fill_co_authors(
2094        &mut self,
2095        _: &ToggleFillCoAuthors,
2096        _: &mut Window,
2097        cx: &mut Context<Self>,
2098    ) {
2099        self.add_coauthors = !self.add_coauthors;
2100        cx.notify();
2101    }
2102
2103    fn fill_co_authors(&mut self, message: &mut String, cx: &mut Context<Self>) {
2104        const CO_AUTHOR_PREFIX: &str = "Co-authored-by: ";
2105
2106        let existing_text = message.to_ascii_lowercase();
2107        let lowercase_co_author_prefix = CO_AUTHOR_PREFIX.to_lowercase();
2108        let mut ends_with_co_authors = false;
2109        let existing_co_authors = existing_text
2110            .lines()
2111            .filter_map(|line| {
2112                let line = line.trim();
2113                if line.starts_with(&lowercase_co_author_prefix) {
2114                    ends_with_co_authors = true;
2115                    Some(line)
2116                } else {
2117                    ends_with_co_authors = false;
2118                    None
2119                }
2120            })
2121            .collect::<HashSet<_>>();
2122
2123        let new_co_authors = self
2124            .potential_co_authors(cx)
2125            .into_iter()
2126            .filter(|(_, email)| {
2127                !existing_co_authors
2128                    .iter()
2129                    .any(|existing| existing.contains(email.as_str()))
2130            })
2131            .collect::<Vec<_>>();
2132
2133        if new_co_authors.is_empty() {
2134            return;
2135        }
2136
2137        if !ends_with_co_authors {
2138            message.push('\n');
2139        }
2140        for (name, email) in new_co_authors {
2141            message.push('\n');
2142            message.push_str(CO_AUTHOR_PREFIX);
2143            message.push_str(&name);
2144            message.push_str(" <");
2145            message.push_str(&email);
2146            message.push('>');
2147        }
2148        message.push('\n');
2149    }
2150
2151    fn schedule_update(
2152        &mut self,
2153        clear_pending: bool,
2154        window: &mut Window,
2155        cx: &mut Context<Self>,
2156    ) {
2157        let handle = cx.entity().downgrade();
2158        self.reopen_commit_buffer(window, cx);
2159        self.update_visible_entries_task = cx.spawn_in(window, async move |_, cx| {
2160            cx.background_executor().timer(UPDATE_DEBOUNCE).await;
2161            if let Some(git_panel) = handle.upgrade() {
2162                git_panel
2163                    .update_in(cx, |git_panel, window, cx| {
2164                        if clear_pending {
2165                            git_panel.clear_pending();
2166                        }
2167                        git_panel.update_visible_entries(cx);
2168                        git_panel.update_scrollbar_properties(window, cx);
2169                    })
2170                    .ok();
2171            }
2172        });
2173    }
2174
2175    fn reopen_commit_buffer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2176        let Some(active_repo) = self.active_repository.as_ref() else {
2177            return;
2178        };
2179        let load_buffer = active_repo.update(cx, |active_repo, cx| {
2180            let project = self.project.read(cx);
2181            active_repo.open_commit_buffer(
2182                Some(project.languages().clone()),
2183                project.buffer_store().clone(),
2184                cx,
2185            )
2186        });
2187
2188        cx.spawn_in(window, async move |git_panel, cx| {
2189            let buffer = load_buffer.await?;
2190            git_panel.update_in(cx, |git_panel, window, cx| {
2191                if git_panel
2192                    .commit_editor
2193                    .read(cx)
2194                    .buffer()
2195                    .read(cx)
2196                    .as_singleton()
2197                    .as_ref()
2198                    != Some(&buffer)
2199                {
2200                    git_panel.commit_editor = cx.new(|cx| {
2201                        commit_message_editor(
2202                            buffer,
2203                            git_panel.suggest_commit_message(cx).as_deref(),
2204                            git_panel.project.clone(),
2205                            true,
2206                            window,
2207                            cx,
2208                        )
2209                    });
2210                }
2211            })
2212        })
2213        .detach_and_log_err(cx);
2214    }
2215
2216    fn clear_pending(&mut self) {
2217        self.pending.retain(|v| !v.finished)
2218    }
2219
2220    fn update_visible_entries(&mut self, cx: &mut Context<Self>) {
2221        self.entries.clear();
2222        self.single_staged_entry.take();
2223        self.single_tracked_entry.take();
2224        self.conflicted_count = 0;
2225        self.conflicted_staged_count = 0;
2226        self.new_count = 0;
2227        self.tracked_count = 0;
2228        self.new_staged_count = 0;
2229        self.tracked_staged_count = 0;
2230        self.entry_count = 0;
2231
2232        let mut changed_entries = Vec::new();
2233        let mut new_entries = Vec::new();
2234        let mut conflict_entries = Vec::new();
2235        let mut last_staged = None;
2236        let mut staged_count = 0;
2237        let mut max_width_item: Option<(RepoPath, usize)> = None;
2238
2239        let Some(repo) = self.active_repository.as_ref() else {
2240            // Just clear entries if no repository is active.
2241            cx.notify();
2242            return;
2243        };
2244
2245        let repo = repo.read(cx);
2246
2247        for entry in repo.status() {
2248            let is_conflict = repo.has_conflict(&entry.repo_path);
2249            let is_new = entry.status.is_created();
2250            let staging = entry.status.staging();
2251
2252            if self.pending.iter().any(|pending| {
2253                pending.target_status == TargetStatus::Reverted
2254                    && !pending.finished
2255                    && pending
2256                        .entries
2257                        .iter()
2258                        .any(|pending| pending.repo_path == entry.repo_path)
2259            }) {
2260                continue;
2261            }
2262
2263            // dot_git_abs path always has at least one component, namely .git.
2264            let abs_path = repo
2265                .dot_git_abs_path
2266                .parent()
2267                .unwrap()
2268                .join(&entry.repo_path);
2269            let worktree_path = repo.repository_entry.unrelativize(&entry.repo_path);
2270            let entry = GitStatusEntry {
2271                repo_path: entry.repo_path.clone(),
2272                worktree_path,
2273                abs_path,
2274                status: entry.status,
2275                staging,
2276            };
2277
2278            if staging.has_staged() {
2279                staged_count += 1;
2280                last_staged = Some(entry.clone());
2281            }
2282
2283            let width_estimate = Self::item_width_estimate(
2284                entry.parent_dir().map(|s| s.len()).unwrap_or(0),
2285                entry.display_name().len(),
2286            );
2287
2288            match max_width_item.as_mut() {
2289                Some((repo_path, estimate)) => {
2290                    if width_estimate > *estimate {
2291                        *repo_path = entry.repo_path.clone();
2292                        *estimate = width_estimate;
2293                    }
2294                }
2295                None => max_width_item = Some((entry.repo_path.clone(), width_estimate)),
2296            }
2297
2298            if is_conflict {
2299                conflict_entries.push(entry);
2300            } else if is_new {
2301                new_entries.push(entry);
2302            } else {
2303                changed_entries.push(entry);
2304            }
2305        }
2306
2307        let mut pending_staged_count = 0;
2308        let mut last_pending_staged = None;
2309        let mut pending_status_for_last_staged = None;
2310        for pending in self.pending.iter() {
2311            if pending.target_status == TargetStatus::Staged {
2312                pending_staged_count += pending.entries.len();
2313                last_pending_staged = pending.entries.iter().next().cloned();
2314            }
2315            if let Some(last_staged) = &last_staged {
2316                if pending
2317                    .entries
2318                    .iter()
2319                    .any(|entry| entry.repo_path == last_staged.repo_path)
2320                {
2321                    pending_status_for_last_staged = Some(pending.target_status);
2322                }
2323            }
2324        }
2325
2326        if conflict_entries.len() == 0 && staged_count == 1 && pending_staged_count == 0 {
2327            match pending_status_for_last_staged {
2328                Some(TargetStatus::Staged) | None => {
2329                    self.single_staged_entry = last_staged;
2330                }
2331                _ => {}
2332            }
2333        } else if conflict_entries.len() == 0 && pending_staged_count == 1 {
2334            self.single_staged_entry = last_pending_staged;
2335        }
2336
2337        if conflict_entries.len() == 0 && changed_entries.len() == 1 {
2338            self.single_tracked_entry = changed_entries.first().cloned();
2339        }
2340
2341        if conflict_entries.len() > 0 {
2342            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2343                header: Section::Conflict,
2344            }));
2345            self.entries.extend(
2346                conflict_entries
2347                    .into_iter()
2348                    .map(GitListEntry::GitStatusEntry),
2349            );
2350        }
2351
2352        if changed_entries.len() > 0 {
2353            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2354                header: Section::Tracked,
2355            }));
2356            self.entries.extend(
2357                changed_entries
2358                    .into_iter()
2359                    .map(GitListEntry::GitStatusEntry),
2360            );
2361        }
2362        if new_entries.len() > 0 {
2363            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2364                header: Section::New,
2365            }));
2366            self.entries
2367                .extend(new_entries.into_iter().map(GitListEntry::GitStatusEntry));
2368        }
2369
2370        if let Some((repo_path, _)) = max_width_item {
2371            self.max_width_item_index = self.entries.iter().position(|entry| match entry {
2372                GitListEntry::GitStatusEntry(git_status_entry) => {
2373                    git_status_entry.repo_path == repo_path
2374                }
2375                GitListEntry::Header(_) => false,
2376            });
2377        }
2378
2379        self.update_counts(repo);
2380
2381        self.select_first_entry_if_none(cx);
2382
2383        let suggested_commit_message = self.suggest_commit_message(cx);
2384        let placeholder_text = suggested_commit_message
2385            .as_deref()
2386            .unwrap_or("Enter commit message");
2387
2388        self.commit_editor.update(cx, |editor, cx| {
2389            editor.set_placeholder_text(Arc::from(placeholder_text), cx)
2390        });
2391
2392        cx.notify();
2393    }
2394
2395    fn header_state(&self, header_type: Section) -> ToggleState {
2396        let (staged_count, count) = match header_type {
2397            Section::New => (self.new_staged_count, self.new_count),
2398            Section::Tracked => (self.tracked_staged_count, self.tracked_count),
2399            Section::Conflict => (self.conflicted_staged_count, self.conflicted_count),
2400        };
2401        if staged_count == 0 {
2402            ToggleState::Unselected
2403        } else if count == staged_count {
2404            ToggleState::Selected
2405        } else {
2406            ToggleState::Indeterminate
2407        }
2408    }
2409
2410    fn update_counts(&mut self, repo: &Repository) {
2411        self.conflicted_count = 0;
2412        self.conflicted_staged_count = 0;
2413        self.new_count = 0;
2414        self.tracked_count = 0;
2415        self.new_staged_count = 0;
2416        self.tracked_staged_count = 0;
2417        self.entry_count = 0;
2418        for entry in &self.entries {
2419            let Some(status_entry) = entry.status_entry() else {
2420                continue;
2421            };
2422            self.entry_count += 1;
2423            if repo.has_conflict(&status_entry.repo_path) {
2424                self.conflicted_count += 1;
2425                if self.entry_staging(status_entry).has_staged() {
2426                    self.conflicted_staged_count += 1;
2427                }
2428            } else if status_entry.status.is_created() {
2429                self.new_count += 1;
2430                if self.entry_staging(status_entry).has_staged() {
2431                    self.new_staged_count += 1;
2432                }
2433            } else {
2434                self.tracked_count += 1;
2435                if self.entry_staging(status_entry).has_staged() {
2436                    self.tracked_staged_count += 1;
2437                }
2438            }
2439        }
2440    }
2441
2442    fn entry_staging(&self, entry: &GitStatusEntry) -> StageStatus {
2443        for pending in self.pending.iter().rev() {
2444            if pending
2445                .entries
2446                .iter()
2447                .any(|pending_entry| pending_entry.repo_path == entry.repo_path)
2448            {
2449                match pending.target_status {
2450                    TargetStatus::Staged => return StageStatus::Staged,
2451                    TargetStatus::Unstaged => return StageStatus::Unstaged,
2452                    TargetStatus::Reverted => continue,
2453                    TargetStatus::Unchanged => continue,
2454                }
2455            }
2456        }
2457        entry.staging
2458    }
2459
2460    pub(crate) fn has_staged_changes(&self) -> bool {
2461        self.tracked_staged_count > 0
2462            || self.new_staged_count > 0
2463            || self.conflicted_staged_count > 0
2464    }
2465
2466    pub(crate) fn has_unstaged_changes(&self) -> bool {
2467        self.tracked_count > self.tracked_staged_count
2468            || self.new_count > self.new_staged_count
2469            || self.conflicted_count > self.conflicted_staged_count
2470    }
2471
2472    fn has_conflicts(&self) -> bool {
2473        self.conflicted_count > 0
2474    }
2475
2476    fn has_tracked_changes(&self) -> bool {
2477        self.tracked_count > 0
2478    }
2479
2480    pub fn has_unstaged_conflicts(&self) -> bool {
2481        self.conflicted_count > 0 && self.conflicted_count != self.conflicted_staged_count
2482    }
2483
2484    fn show_error_toast(&self, action: impl Into<SharedString>, e: anyhow::Error, cx: &mut App) {
2485        let action = action.into();
2486        let Some(workspace) = self.workspace.upgrade() else {
2487            return;
2488        };
2489
2490        let message = e.to_string().trim().to_string();
2491        if message
2492            .matches(git::repository::REMOTE_CANCELLED_BY_USER)
2493            .next()
2494            .is_some()
2495        {
2496            return; // Hide the cancelled by user message
2497        } else {
2498            let project = self.project.clone();
2499            workspace.update(cx, |workspace, cx| {
2500                let workspace_weak = cx.weak_entity();
2501                let toast =
2502                    StatusToast::new(format!("git {} failed", action.clone()), cx, |this, _cx| {
2503                        this.icon(ToastIcon::new(IconName::XCircle).color(Color::Error))
2504                            .action("View Log", move |window, cx| {
2505                                let message = message.clone();
2506                                let project = project.clone();
2507                                let action = action.clone();
2508                                workspace_weak
2509                                    .update(cx, move |workspace, cx| {
2510                                        Self::open_output(
2511                                            project, action, workspace, &message, window, cx,
2512                                        )
2513                                    })
2514                                    .ok();
2515                            })
2516                    });
2517                workspace.toggle_status_toast(toast, cx)
2518            });
2519        }
2520    }
2521
2522    fn show_remote_output(&self, action: RemoteAction, info: RemoteCommandOutput, cx: &mut App) {
2523        let Some(workspace) = self.workspace.upgrade() else {
2524            return;
2525        };
2526
2527        workspace.update(cx, |workspace, cx| {
2528            let SuccessMessage { message, style } = remote_output::format_output(&action, info);
2529            let workspace_weak = cx.weak_entity();
2530            let operation = action.name();
2531
2532            let status_toast = StatusToast::new(message, cx, move |this, _cx| {
2533                use remote_output::SuccessStyle::*;
2534                let project = self.project.clone();
2535                match style {
2536                    Toast { .. } => this,
2537                    ToastWithLog { output } => this
2538                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2539                        .action("View Log", move |window, cx| {
2540                            let output = output.clone();
2541                            let project = project.clone();
2542                            let output =
2543                                format!("stdout:\n{}\nstderr:\n{}", output.stdout, output.stderr);
2544                            workspace_weak
2545                                .update(cx, move |workspace, cx| {
2546                                    Self::open_output(
2547                                        project, operation, workspace, &output, window, cx,
2548                                    )
2549                                })
2550                                .ok();
2551                        }),
2552                    PushPrLink { link } => this
2553                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2554                        .action("Open Pull Request", move |_, cx| cx.open_url(&link)),
2555                }
2556            });
2557            workspace.toggle_status_toast(status_toast, cx)
2558        });
2559    }
2560
2561    fn open_output(
2562        project: Entity<Project>,
2563        operation: impl Into<SharedString>,
2564        workspace: &mut Workspace,
2565        output: &str,
2566        window: &mut Window,
2567        cx: &mut Context<Workspace>,
2568    ) {
2569        let operation = operation.into();
2570        let buffer = cx.new(|cx| Buffer::local(output, cx));
2571        let editor = cx.new(|cx| {
2572            let mut editor = Editor::for_buffer(buffer, Some(project), window, cx);
2573            editor.buffer().update(cx, |buffer, cx| {
2574                buffer.set_title(format!("Output from git {operation}"), cx);
2575            });
2576            editor.set_read_only(true);
2577            editor
2578        });
2579
2580        workspace.add_item_to_center(Box::new(editor), window, cx);
2581    }
2582
2583    pub fn render_spinner(&self) -> Option<impl IntoElement> {
2584        (!self.pending_remote_operations.borrow().is_empty()).then(|| {
2585            Icon::new(IconName::ArrowCircle)
2586                .size(IconSize::XSmall)
2587                .color(Color::Info)
2588                .with_animation(
2589                    "arrow-circle",
2590                    Animation::new(Duration::from_secs(2)).repeat(),
2591                    |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
2592                )
2593                .into_any_element()
2594        })
2595    }
2596
2597    pub fn can_commit(&self) -> bool {
2598        (self.has_staged_changes() || self.has_tracked_changes()) && !self.has_unstaged_conflicts()
2599    }
2600
2601    pub fn can_stage_all(&self) -> bool {
2602        self.has_unstaged_changes()
2603    }
2604
2605    pub fn can_unstage_all(&self) -> bool {
2606        self.has_staged_changes()
2607    }
2608
2609    // eventually we'll need to take depth into account here
2610    // if we add a tree view
2611    fn item_width_estimate(path: usize, file_name: usize) -> usize {
2612        path + file_name
2613    }
2614
2615    fn render_overflow_menu(&self, id: impl Into<ElementId>) -> impl IntoElement {
2616        let focus_handle = self.focus_handle.clone();
2617        PopoverMenu::new(id.into())
2618            .trigger(
2619                IconButton::new("overflow-menu-trigger", IconName::EllipsisVertical)
2620                    .icon_size(IconSize::Small)
2621                    .icon_color(Color::Muted),
2622            )
2623            .menu(move |window, cx| Some(git_panel_context_menu(focus_handle.clone(), window, cx)))
2624            .anchor(Corner::TopRight)
2625    }
2626
2627    pub(crate) fn render_generate_commit_message_button(
2628        &self,
2629        cx: &Context<Self>,
2630    ) -> Option<AnyElement> {
2631        current_language_model(cx).is_some().then(|| {
2632            if self.generate_commit_message_task.is_some() {
2633                return h_flex()
2634                    .gap_1()
2635                    .child(
2636                        Icon::new(IconName::ArrowCircle)
2637                            .size(IconSize::XSmall)
2638                            .color(Color::Info)
2639                            .with_animation(
2640                                "arrow-circle",
2641                                Animation::new(Duration::from_secs(2)).repeat(),
2642                                |icon, delta| {
2643                                    icon.transform(Transformation::rotate(percentage(delta)))
2644                                },
2645                            ),
2646                    )
2647                    .child(
2648                        Label::new("Generating Commit...")
2649                            .size(LabelSize::Small)
2650                            .color(Color::Muted),
2651                    )
2652                    .into_any_element();
2653            }
2654
2655            let can_commit = self.can_commit();
2656            let editor_focus_handle = self.commit_editor.focus_handle(cx);
2657            IconButton::new("generate-commit-message", IconName::AiEdit)
2658                .shape(ui::IconButtonShape::Square)
2659                .icon_color(Color::Muted)
2660                .tooltip(move |window, cx| {
2661                    if can_commit {
2662                        Tooltip::for_action_in(
2663                            "Generate Commit Message",
2664                            &git::GenerateCommitMessage,
2665                            &editor_focus_handle,
2666                            window,
2667                            cx,
2668                        )
2669                    } else {
2670                        Tooltip::simple("No changes to commit", cx)
2671                    }
2672                })
2673                .disabled(!can_commit)
2674                .on_click(cx.listener(move |this, _event, _window, cx| {
2675                    this.generate_commit_message(cx);
2676                }))
2677                .into_any_element()
2678        })
2679    }
2680
2681    pub(crate) fn render_co_authors(&self, cx: &Context<Self>) -> Option<AnyElement> {
2682        let potential_co_authors = self.potential_co_authors(cx);
2683        if potential_co_authors.is_empty() {
2684            None
2685        } else {
2686            Some(
2687                IconButton::new("co-authors", IconName::Person)
2688                    .shape(ui::IconButtonShape::Square)
2689                    .icon_color(Color::Disabled)
2690                    .selected_icon_color(Color::Selected)
2691                    .toggle_state(self.add_coauthors)
2692                    .tooltip(move |_, cx| {
2693                        let title = format!(
2694                            "Add co-authored-by:{}{}",
2695                            if potential_co_authors.len() == 1 {
2696                                ""
2697                            } else {
2698                                "\n"
2699                            },
2700                            potential_co_authors
2701                                .iter()
2702                                .map(|(name, email)| format!(" {} <{}>", name, email))
2703                                .join("\n")
2704                        );
2705                        Tooltip::simple(title, cx)
2706                    })
2707                    .on_click(cx.listener(|this, _, _, cx| {
2708                        this.add_coauthors = !this.add_coauthors;
2709                        cx.notify();
2710                    }))
2711                    .into_any_element(),
2712            )
2713        }
2714    }
2715
2716    pub fn configure_commit_button(&self, cx: &mut Context<Self>) -> (bool, &'static str) {
2717        if self.has_unstaged_conflicts() {
2718            (false, "You must resolve conflicts before committing")
2719        } else if !self.has_staged_changes() && !self.has_tracked_changes() {
2720            (false, "No changes to commit")
2721        } else if self.pending_commit.is_some() {
2722            (false, "Commit in progress")
2723        } else if self.custom_or_suggested_commit_message(cx).is_none() {
2724            (false, "No commit message")
2725        } else if !self.has_write_access(cx) {
2726            (false, "You do not have write access to this project")
2727        } else {
2728            (true, self.commit_button_title())
2729        }
2730    }
2731
2732    pub fn commit_button_title(&self) -> &'static str {
2733        if self.has_staged_changes() {
2734            "Commit"
2735        } else {
2736            "Commit Tracked"
2737        }
2738    }
2739
2740    fn expand_commit_editor(
2741        &mut self,
2742        _: &git::ExpandCommitEditor,
2743        window: &mut Window,
2744        cx: &mut Context<Self>,
2745    ) {
2746        let workspace = self.workspace.clone();
2747        window.defer(cx, move |window, cx| {
2748            workspace
2749                .update(cx, |workspace, cx| {
2750                    CommitModal::toggle(workspace, window, cx)
2751                })
2752                .ok();
2753        })
2754    }
2755
2756    fn render_panel_header(
2757        &self,
2758        window: &mut Window,
2759        cx: &mut Context<Self>,
2760    ) -> Option<impl IntoElement> {
2761        self.active_repository.as_ref()?;
2762
2763        let text;
2764        let action;
2765        let tooltip;
2766        if self.total_staged_count() == self.entry_count && self.entry_count > 0 {
2767            text = "Unstage All";
2768            action = git::UnstageAll.boxed_clone();
2769            tooltip = "git reset";
2770        } else {
2771            text = "Stage All";
2772            action = git::StageAll.boxed_clone();
2773            tooltip = "git add --all ."
2774        }
2775
2776        let change_string = match self.entry_count {
2777            0 => "No Changes".to_string(),
2778            1 => "1 Change".to_string(),
2779            _ => format!("{} Changes", self.entry_count),
2780        };
2781
2782        Some(
2783            self.panel_header_container(window, cx)
2784                .px_2()
2785                .child(
2786                    panel_button(change_string)
2787                        .color(Color::Muted)
2788                        .tooltip(Tooltip::for_action_title_in(
2789                            "Open Diff",
2790                            &Diff,
2791                            &self.focus_handle,
2792                        ))
2793                        .on_click(|_, _, cx| {
2794                            cx.defer(|cx| {
2795                                cx.dispatch_action(&Diff);
2796                            })
2797                        }),
2798                )
2799                .child(div().flex_grow()) // spacer
2800                .child(self.render_overflow_menu("overflow_menu"))
2801                .child(div().w_2()) // another spacer
2802                .child(
2803                    panel_filled_button(text)
2804                        .tooltip(Tooltip::for_action_title_in(
2805                            tooltip,
2806                            action.as_ref(),
2807                            &self.focus_handle,
2808                        ))
2809                        .disabled(self.entry_count == 0)
2810                        .on_click(move |_, _, cx| {
2811                            let action = action.boxed_clone();
2812                            cx.defer(move |cx| {
2813                                cx.dispatch_action(action.as_ref());
2814                            })
2815                        }),
2816                ),
2817        )
2818    }
2819
2820    pub(crate) fn render_remote_button(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2821        let branch = self
2822            .active_repository
2823            .as_ref()?
2824            .read(cx)
2825            .current_branch()
2826            .cloned();
2827        if !self.can_push_and_pull(cx) {
2828            return None;
2829        }
2830        let spinner = self.render_spinner();
2831        Some(
2832            h_flex()
2833                .gap_1()
2834                .flex_shrink_0()
2835                .children(spinner)
2836                .when_some(branch, |this, branch| {
2837                    let focus_handle = Some(self.focus_handle(cx));
2838
2839                    this.children(render_remote_button(
2840                        "remote-button",
2841                        &branch,
2842                        focus_handle,
2843                        true,
2844                    ))
2845                })
2846                .into_any_element(),
2847        )
2848    }
2849
2850    pub fn render_footer(
2851        &self,
2852        window: &mut Window,
2853        cx: &mut Context<Self>,
2854    ) -> Option<impl IntoElement> {
2855        let active_repository = self.active_repository.clone()?;
2856        let (can_commit, tooltip) = self.configure_commit_button(cx);
2857        let project = self.project.clone().read(cx);
2858        let panel_editor_style = panel_editor_style(true, window, cx);
2859
2860        let enable_coauthors = self.render_co_authors(cx);
2861        let title = self.commit_button_title();
2862
2863        let editor_focus_handle = self.commit_editor.focus_handle(cx);
2864        let commit_tooltip_focus_handle = editor_focus_handle.clone();
2865        let expand_tooltip_focus_handle = editor_focus_handle.clone();
2866
2867        let branch = active_repository.read(cx).current_branch().cloned();
2868
2869        let footer_size = px(32.);
2870        let gap = px(9.0);
2871        let max_height = panel_editor_style
2872            .text
2873            .line_height_in_pixels(window.rem_size())
2874            * MAX_PANEL_EDITOR_LINES
2875            + gap;
2876
2877        let git_panel = cx.entity().clone();
2878        let display_name = SharedString::from(Arc::from(
2879            active_repository
2880                .read(cx)
2881                .display_name(project, cx)
2882                .trim_end_matches("/"),
2883        ));
2884        let editor_is_long = self.commit_editor.update(cx, |editor, cx| {
2885            editor.max_point(cx).row().0 >= MAX_PANEL_EDITOR_LINES as u32
2886        });
2887
2888        let footer = v_flex()
2889            .child(PanelRepoFooter::new(display_name, branch, Some(git_panel)))
2890            .child(
2891                panel_editor_container(window, cx)
2892                    .id("commit-editor-container")
2893                    .relative()
2894                    .w_full()
2895                    .h(max_height + footer_size)
2896                    .border_t_1()
2897                    .border_color(cx.theme().colors().border_variant)
2898                    .cursor_text()
2899                    .on_click(cx.listener(move |this, _: &ClickEvent, window, cx| {
2900                        window.focus(&this.commit_editor.focus_handle(cx));
2901                    }))
2902                    .child(
2903                        h_flex()
2904                            .id("commit-footer")
2905                            .border_t_1()
2906                            .when(editor_is_long, |el| {
2907                                el.border_color(cx.theme().colors().border_variant)
2908                            })
2909                            .absolute()
2910                            .bottom_0()
2911                            .left_0()
2912                            .w_full()
2913                            .px_2()
2914                            .h(footer_size)
2915                            .flex_none()
2916                            .justify_between()
2917                            .child(
2918                                self.render_generate_commit_message_button(cx)
2919                                    .unwrap_or_else(|| div().into_any_element()),
2920                            )
2921                            .child(
2922                                h_flex().gap_0p5().children(enable_coauthors).child(
2923                                    panel_filled_button(title)
2924                                        .tooltip(move |window, cx| {
2925                                            if can_commit {
2926                                                Tooltip::for_action_in(
2927                                                    tooltip,
2928                                                    &Commit,
2929                                                    &commit_tooltip_focus_handle,
2930                                                    window,
2931                                                    cx,
2932                                                )
2933                                            } else {
2934                                                Tooltip::simple(tooltip, cx)
2935                                            }
2936                                        })
2937                                        .disabled(!can_commit || self.modal_open)
2938                                        .on_click({
2939                                            cx.listener(move |this, _: &ClickEvent, window, cx| {
2940                                                telemetry::event!(
2941                                                    "Git Committed",
2942                                                    source = "Git Panel"
2943                                                );
2944                                                this.commit_changes(window, cx)
2945                                            })
2946                                        }),
2947                                ),
2948                            ),
2949                    )
2950                    .child(
2951                        div()
2952                            .pr_2p5()
2953                            .on_action(|&editor::actions::MoveUp, _, cx| {
2954                                cx.stop_propagation();
2955                            })
2956                            .on_action(|&editor::actions::MoveDown, _, cx| {
2957                                cx.stop_propagation();
2958                            })
2959                            .child(EditorElement::new(&self.commit_editor, panel_editor_style)),
2960                    )
2961                    .child(
2962                        h_flex()
2963                            .absolute()
2964                            .top_2()
2965                            .right_2()
2966                            .opacity(0.5)
2967                            .hover(|this| this.opacity(1.0))
2968                            .child(
2969                                panel_icon_button("expand-commit-editor", IconName::Maximize)
2970                                    .icon_size(IconSize::Small)
2971                                    .size(ui::ButtonSize::Default)
2972                                    .tooltip(move |window, cx| {
2973                                        Tooltip::for_action_in(
2974                                            "Open Commit Modal",
2975                                            &git::ExpandCommitEditor,
2976                                            &expand_tooltip_focus_handle,
2977                                            window,
2978                                            cx,
2979                                        )
2980                                    })
2981                                    .on_click(cx.listener({
2982                                        move |_, _, window, cx| {
2983                                            window.dispatch_action(
2984                                                git::ExpandCommitEditor.boxed_clone(),
2985                                                cx,
2986                                            )
2987                                        }
2988                                    })),
2989                            ),
2990                    ),
2991            );
2992
2993        Some(footer)
2994    }
2995
2996    fn render_previous_commit(&self, cx: &mut Context<Self>) -> Option<impl IntoElement> {
2997        let active_repository = self.active_repository.as_ref()?;
2998        let branch = active_repository.read(cx).current_branch()?;
2999        let commit = branch.most_recent_commit.as_ref()?.clone();
3000
3001        let this = cx.entity();
3002        Some(
3003            h_flex()
3004                .items_center()
3005                .py_2()
3006                .px(px(8.))
3007                .border_color(cx.theme().colors().border)
3008                .gap_1p5()
3009                .child(
3010                    div()
3011                        .flex_grow()
3012                        .overflow_hidden()
3013                        .items_center()
3014                        .max_w(relative(0.85))
3015                        .h_full()
3016                        .child(
3017                            Label::new(commit.subject.clone())
3018                                .size(LabelSize::Small)
3019                                .truncate(),
3020                        )
3021                        .id("commit-msg-hover")
3022                        .hoverable_tooltip(move |window, cx| {
3023                            GitPanelMessageTooltip::new(
3024                                this.clone(),
3025                                commit.sha.clone(),
3026                                window,
3027                                cx,
3028                            )
3029                            .into()
3030                        }),
3031                )
3032                .child(div().flex_1())
3033                .when(commit.has_parent, |this| {
3034                    let has_unstaged = self.has_unstaged_changes();
3035                    this.child(
3036                        panel_icon_button("undo", IconName::Undo)
3037                            .icon_size(IconSize::Small)
3038                            .icon_color(Color::Muted)
3039                            .tooltip(move |window, cx| {
3040                                Tooltip::with_meta(
3041                                    "Uncommit",
3042                                    Some(&git::Uncommit),
3043                                    if has_unstaged {
3044                                        "git reset HEAD^ --soft"
3045                                    } else {
3046                                        "git reset HEAD^"
3047                                    },
3048                                    window,
3049                                    cx,
3050                                )
3051                            })
3052                            .on_click(cx.listener(|this, _, window, cx| this.uncommit(window, cx))),
3053                    )
3054                }),
3055        )
3056    }
3057
3058    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
3059        h_flex()
3060            .h_full()
3061            .flex_grow()
3062            .justify_center()
3063            .items_center()
3064            .child(
3065                v_flex()
3066                    .gap_2()
3067                    .child(h_flex().w_full().justify_around().child(
3068                        if self.active_repository.is_some() {
3069                            "No changes to commit"
3070                        } else {
3071                            "No Git repositories"
3072                        },
3073                    ))
3074                    .children({
3075                        let worktree_count = self.project.read(cx).visible_worktrees(cx).count();
3076                        (worktree_count > 0 && self.active_repository.is_none()).then(|| {
3077                            h_flex().w_full().justify_around().child(
3078                                panel_filled_button("Initialize Repository")
3079                                    .tooltip(Tooltip::for_action_title_in(
3080                                        "git init",
3081                                        &git::Init,
3082                                        &self.focus_handle,
3083                                    ))
3084                                    .on_click(move |_, _, cx| {
3085                                        cx.defer(move |cx| {
3086                                            cx.dispatch_action(&git::Init);
3087                                        })
3088                                    }),
3089                            )
3090                        })
3091                    })
3092                    .text_ui_sm(cx)
3093                    .mx_auto()
3094                    .text_color(Color::Placeholder.color(cx)),
3095            )
3096    }
3097
3098    fn render_vertical_scrollbar(
3099        &self,
3100        show_horizontal_scrollbar_container: bool,
3101        cx: &mut Context<Self>,
3102    ) -> impl IntoElement {
3103        div()
3104            .id("git-panel-vertical-scroll")
3105            .occlude()
3106            .flex_none()
3107            .h_full()
3108            .cursor_default()
3109            .absolute()
3110            .right_0()
3111            .top_0()
3112            .bottom_0()
3113            .w(px(12.))
3114            .when(show_horizontal_scrollbar_container, |this| {
3115                this.pb_neg_3p5()
3116            })
3117            .on_mouse_move(cx.listener(|_, _, _, cx| {
3118                cx.notify();
3119                cx.stop_propagation()
3120            }))
3121            .on_hover(|_, _, cx| {
3122                cx.stop_propagation();
3123            })
3124            .on_any_mouse_down(|_, _, cx| {
3125                cx.stop_propagation();
3126            })
3127            .on_mouse_up(
3128                MouseButton::Left,
3129                cx.listener(|this, _, window, cx| {
3130                    if !this.vertical_scrollbar.state.is_dragging()
3131                        && !this.focus_handle.contains_focused(window, cx)
3132                    {
3133                        this.vertical_scrollbar.hide(window, cx);
3134                        cx.notify();
3135                    }
3136
3137                    cx.stop_propagation();
3138                }),
3139            )
3140            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3141                cx.notify();
3142            }))
3143            .children(Scrollbar::vertical(
3144                // percentage as f32..end_offset as f32,
3145                self.vertical_scrollbar.state.clone(),
3146            ))
3147    }
3148
3149    /// Renders the horizontal scrollbar.
3150    ///
3151    /// The right offset is used to determine how far to the right the
3152    /// scrollbar should extend to, useful for ensuring it doesn't collide
3153    /// with the vertical scrollbar when visible.
3154    fn render_horizontal_scrollbar(
3155        &self,
3156        right_offset: Pixels,
3157        cx: &mut Context<Self>,
3158    ) -> impl IntoElement {
3159        div()
3160            .id("git-panel-horizontal-scroll")
3161            .occlude()
3162            .flex_none()
3163            .w_full()
3164            .cursor_default()
3165            .absolute()
3166            .bottom_neg_px()
3167            .left_0()
3168            .right_0()
3169            .pr(right_offset)
3170            .on_mouse_move(cx.listener(|_, _, _, cx| {
3171                cx.notify();
3172                cx.stop_propagation()
3173            }))
3174            .on_hover(|_, _, cx| {
3175                cx.stop_propagation();
3176            })
3177            .on_any_mouse_down(|_, _, cx| {
3178                cx.stop_propagation();
3179            })
3180            .on_mouse_up(
3181                MouseButton::Left,
3182                cx.listener(|this, _, window, cx| {
3183                    if !this.horizontal_scrollbar.state.is_dragging()
3184                        && !this.focus_handle.contains_focused(window, cx)
3185                    {
3186                        this.horizontal_scrollbar.hide(window, cx);
3187                        cx.notify();
3188                    }
3189
3190                    cx.stop_propagation();
3191                }),
3192            )
3193            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3194                cx.notify();
3195            }))
3196            .children(Scrollbar::horizontal(
3197                // percentage as f32..end_offset as f32,
3198                self.horizontal_scrollbar.state.clone(),
3199            ))
3200    }
3201
3202    fn render_buffer_header_controls(
3203        &self,
3204        entity: &Entity<Self>,
3205        file: &Arc<dyn File>,
3206        _: &Window,
3207        cx: &App,
3208    ) -> Option<AnyElement> {
3209        let repo = self.active_repository.as_ref()?.read(cx);
3210        let repo_path = repo.worktree_id_path_to_repo_path(file.worktree_id(cx), file.path())?;
3211        let ix = self.entry_by_path(&repo_path)?;
3212        let entry = self.entries.get(ix)?;
3213
3214        let entry_staging = self.entry_staging(entry.status_entry()?);
3215
3216        let checkbox = Checkbox::new("stage-file", entry_staging.as_bool().into())
3217            .disabled(!self.has_write_access(cx))
3218            .fill()
3219            .elevation(ElevationIndex::Surface)
3220            .on_click({
3221                let entry = entry.clone();
3222                let git_panel = entity.downgrade();
3223                move |_, window, cx| {
3224                    git_panel
3225                        .update(cx, |this, cx| {
3226                            this.toggle_staged_for_entry(&entry, window, cx);
3227                            cx.stop_propagation();
3228                        })
3229                        .ok();
3230                }
3231            });
3232        Some(
3233            h_flex()
3234                .id("start-slot")
3235                .text_lg()
3236                .child(checkbox)
3237                .on_mouse_down(MouseButton::Left, |_, _, cx| {
3238                    // prevent the list item active state triggering when toggling checkbox
3239                    cx.stop_propagation();
3240                })
3241                .into_any_element(),
3242        )
3243    }
3244
3245    fn render_entries(
3246        &self,
3247        has_write_access: bool,
3248        _: &Window,
3249        cx: &mut Context<Self>,
3250    ) -> impl IntoElement {
3251        let entry_count = self.entries.len();
3252
3253        let scroll_track_size = px(16.);
3254
3255        let h_scroll_offset = if self.vertical_scrollbar.show_scrollbar {
3256            // magic number
3257            px(3.)
3258        } else {
3259            px(0.)
3260        };
3261
3262        v_flex()
3263            .flex_1()
3264            .size_full()
3265            .overflow_hidden()
3266            .relative()
3267            // Show a border on the top and bottom of the container when
3268            // the vertical scrollbar container is visible so we don't have a
3269            // floating left border in the panel.
3270            .when(self.vertical_scrollbar.show_track, |this| {
3271                this.border_t_1()
3272                    .border_b_1()
3273                    .border_color(cx.theme().colors().border)
3274            })
3275            .child(
3276                h_flex()
3277                    .flex_1()
3278                    .size_full()
3279                    .relative()
3280                    .overflow_hidden()
3281                    .child(
3282                        uniform_list(cx.entity().clone(), "entries", entry_count, {
3283                            move |this, range, window, cx| {
3284                                let mut items = Vec::with_capacity(range.end - range.start);
3285
3286                                for ix in range {
3287                                    match &this.entries.get(ix) {
3288                                        Some(GitListEntry::GitStatusEntry(entry)) => {
3289                                            items.push(this.render_entry(
3290                                                ix,
3291                                                entry,
3292                                                has_write_access,
3293                                                window,
3294                                                cx,
3295                                            ));
3296                                        }
3297                                        Some(GitListEntry::Header(header)) => {
3298                                            items.push(this.render_list_header(
3299                                                ix,
3300                                                header,
3301                                                has_write_access,
3302                                                window,
3303                                                cx,
3304                                            ));
3305                                        }
3306                                        None => {}
3307                                    }
3308                                }
3309
3310                                items
3311                            }
3312                        })
3313                        .size_full()
3314                        .flex_grow()
3315                        .with_sizing_behavior(ListSizingBehavior::Auto)
3316                        .with_horizontal_sizing_behavior(
3317                            ListHorizontalSizingBehavior::Unconstrained,
3318                        )
3319                        .with_width_from_item(self.max_width_item_index)
3320                        .track_scroll(self.scroll_handle.clone()),
3321                    )
3322                    .on_mouse_down(
3323                        MouseButton::Right,
3324                        cx.listener(move |this, event: &MouseDownEvent, window, cx| {
3325                            this.deploy_panel_context_menu(event.position, window, cx)
3326                        }),
3327                    )
3328                    .when(self.vertical_scrollbar.show_track, |this| {
3329                        this.child(
3330                            v_flex()
3331                                .h_full()
3332                                .flex_none()
3333                                .w(scroll_track_size)
3334                                .bg(cx.theme().colors().panel_background)
3335                                .child(
3336                                    div()
3337                                        .size_full()
3338                                        .flex_1()
3339                                        .border_l_1()
3340                                        .border_color(cx.theme().colors().border),
3341                                ),
3342                        )
3343                    })
3344                    .when(self.vertical_scrollbar.show_scrollbar, |this| {
3345                        this.child(
3346                            self.render_vertical_scrollbar(
3347                                self.horizontal_scrollbar.show_track,
3348                                cx,
3349                            ),
3350                        )
3351                    }),
3352            )
3353            .when(self.horizontal_scrollbar.show_track, |this| {
3354                this.child(
3355                    h_flex()
3356                        .w_full()
3357                        .h(scroll_track_size)
3358                        .flex_none()
3359                        .relative()
3360                        .child(
3361                            div()
3362                                .w_full()
3363                                .flex_1()
3364                                // for some reason the horizontal scrollbar is 1px
3365                                // taller than the vertical scrollbar??
3366                                .h(scroll_track_size - px(1.))
3367                                .bg(cx.theme().colors().panel_background)
3368                                .border_t_1()
3369                                .border_color(cx.theme().colors().border),
3370                        )
3371                        .when(self.vertical_scrollbar.show_track, |this| {
3372                            this.child(
3373                                div()
3374                                    .flex_none()
3375                                    // -1px prevents a missing pixel between the two container borders
3376                                    .w(scroll_track_size - px(1.))
3377                                    .h_full(),
3378                            )
3379                            .child(
3380                                // HACK: Fill the missing 1px 🥲
3381                                div()
3382                                    .absolute()
3383                                    .right(scroll_track_size - px(1.))
3384                                    .bottom(scroll_track_size - px(1.))
3385                                    .size_px()
3386                                    .bg(cx.theme().colors().border),
3387                            )
3388                        }),
3389                )
3390            })
3391            .when(self.horizontal_scrollbar.show_scrollbar, |this| {
3392                this.child(self.render_horizontal_scrollbar(h_scroll_offset, cx))
3393            })
3394    }
3395
3396    fn entry_label(&self, label: impl Into<SharedString>, color: Color) -> Label {
3397        Label::new(label.into()).color(color).single_line()
3398    }
3399
3400    fn list_item_height(&self) -> Rems {
3401        rems(1.75)
3402    }
3403
3404    fn render_list_header(
3405        &self,
3406        ix: usize,
3407        header: &GitHeaderEntry,
3408        _: bool,
3409        _: &Window,
3410        _: &Context<Self>,
3411    ) -> AnyElement {
3412        let id: ElementId = ElementId::Name(format!("header_{}", ix).into());
3413
3414        h_flex()
3415            .id(id)
3416            .h(self.list_item_height())
3417            .w_full()
3418            .items_end()
3419            .px(rems(0.75)) // ~12px
3420            .pb(rems(0.3125)) // ~ 5px
3421            .child(
3422                Label::new(header.title())
3423                    .color(Color::Muted)
3424                    .size(LabelSize::Small)
3425                    .line_height_style(LineHeightStyle::UiLabel)
3426                    .single_line(),
3427            )
3428            .into_any_element()
3429    }
3430
3431    fn load_commit_details(
3432        &self,
3433        sha: String,
3434        cx: &mut Context<Self>,
3435    ) -> Task<anyhow::Result<CommitDetails>> {
3436        let Some(repo) = self.active_repository.clone() else {
3437            return Task::ready(Err(anyhow::anyhow!("no active repo")));
3438        };
3439        repo.update(cx, |repo, cx| {
3440            let show = repo.show(sha);
3441            cx.spawn(async move |_, _| show.await?)
3442        })
3443    }
3444
3445    fn deploy_entry_context_menu(
3446        &mut self,
3447        position: Point<Pixels>,
3448        ix: usize,
3449        window: &mut Window,
3450        cx: &mut Context<Self>,
3451    ) {
3452        let Some(entry) = self.entries.get(ix).and_then(|e| e.status_entry()) else {
3453            return;
3454        };
3455        let stage_title = if entry.status.staging().is_fully_staged() {
3456            "Unstage File"
3457        } else {
3458            "Stage File"
3459        };
3460        let restore_title = if entry.status.is_created() {
3461            "Trash File"
3462        } else {
3463            "Restore File"
3464        };
3465        let context_menu = ContextMenu::build(window, cx, |context_menu, _, _| {
3466            context_menu
3467                .context(self.focus_handle.clone())
3468                .action(stage_title, ToggleStaged.boxed_clone())
3469                .action(restore_title, git::RestoreFile.boxed_clone())
3470                .separator()
3471                .action("Open Diff", Confirm.boxed_clone())
3472                .action("Open File", SecondaryConfirm.boxed_clone())
3473        });
3474        self.selected_entry = Some(ix);
3475        self.set_context_menu(context_menu, position, window, cx);
3476    }
3477
3478    fn deploy_panel_context_menu(
3479        &mut self,
3480        position: Point<Pixels>,
3481        window: &mut Window,
3482        cx: &mut Context<Self>,
3483    ) {
3484        let context_menu = git_panel_context_menu(self.focus_handle.clone(), window, cx);
3485        self.set_context_menu(context_menu, position, window, cx);
3486    }
3487
3488    fn set_context_menu(
3489        &mut self,
3490        context_menu: Entity<ContextMenu>,
3491        position: Point<Pixels>,
3492        window: &Window,
3493        cx: &mut Context<Self>,
3494    ) {
3495        let subscription = cx.subscribe_in(
3496            &context_menu,
3497            window,
3498            |this, _, _: &DismissEvent, window, cx| {
3499                if this.context_menu.as_ref().is_some_and(|context_menu| {
3500                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
3501                }) {
3502                    cx.focus_self(window);
3503                }
3504                this.context_menu.take();
3505                cx.notify();
3506            },
3507        );
3508        self.context_menu = Some((context_menu, position, subscription));
3509        cx.notify();
3510    }
3511
3512    fn render_entry(
3513        &self,
3514        ix: usize,
3515        entry: &GitStatusEntry,
3516        has_write_access: bool,
3517        window: &Window,
3518        cx: &Context<Self>,
3519    ) -> AnyElement {
3520        let display_name = entry.display_name();
3521
3522        let selected = self.selected_entry == Some(ix);
3523        let marked = self.marked_entries.contains(&ix);
3524        let status_style = GitPanelSettings::get_global(cx).status_style;
3525        let status = entry.status;
3526        let modifiers = self.current_modifiers;
3527        let shift_held = modifiers.shift;
3528
3529        let has_conflict = status.is_conflicted();
3530        let is_modified = status.is_modified();
3531        let is_deleted = status.is_deleted();
3532
3533        let label_color = if status_style == StatusStyle::LabelColor {
3534            if has_conflict {
3535                Color::VersionControlConflict
3536            } else if is_modified {
3537                Color::VersionControlModified
3538            } else if is_deleted {
3539                // We don't want a bunch of red labels in the list
3540                Color::Disabled
3541            } else {
3542                Color::VersionControlAdded
3543            }
3544        } else {
3545            Color::Default
3546        };
3547
3548        let path_color = if status.is_deleted() {
3549            Color::Disabled
3550        } else {
3551            Color::Muted
3552        };
3553
3554        let id: ElementId = ElementId::Name(format!("entry_{}_{}", display_name, ix).into());
3555        let checkbox_wrapper_id: ElementId =
3556            ElementId::Name(format!("entry_{}_{}_checkbox_wrapper", display_name, ix).into());
3557        let checkbox_id: ElementId =
3558            ElementId::Name(format!("entry_{}_{}_checkbox", display_name, ix).into());
3559
3560        let entry_staging = self.entry_staging(entry);
3561        let mut is_staged: ToggleState = self.entry_staging(entry).as_bool().into();
3562
3563        if !self.has_staged_changes() && !self.has_conflicts() && !entry.status.is_created() {
3564            is_staged = ToggleState::Selected;
3565        }
3566
3567        let handle = cx.weak_entity();
3568
3569        let selected_bg_alpha = 0.08;
3570        let marked_bg_alpha = 0.12;
3571        let state_opacity_step = 0.04;
3572
3573        let base_bg = match (selected, marked) {
3574            (true, true) => cx
3575                .theme()
3576                .status()
3577                .info
3578                .alpha(selected_bg_alpha + marked_bg_alpha),
3579            (true, false) => cx.theme().status().info.alpha(selected_bg_alpha),
3580            (false, true) => cx.theme().status().info.alpha(marked_bg_alpha),
3581            _ => cx.theme().colors().ghost_element_background,
3582        };
3583
3584        let hover_bg = if selected {
3585            cx.theme()
3586                .status()
3587                .info
3588                .alpha(selected_bg_alpha + state_opacity_step)
3589        } else {
3590            cx.theme().colors().ghost_element_hover
3591        };
3592
3593        let active_bg = if selected {
3594            cx.theme()
3595                .status()
3596                .info
3597                .alpha(selected_bg_alpha + state_opacity_step * 2.0)
3598        } else {
3599            cx.theme().colors().ghost_element_active
3600        };
3601
3602        h_flex()
3603            .id(id)
3604            .h(self.list_item_height())
3605            .w_full()
3606            .items_center()
3607            .border_1()
3608            .when(selected && self.focus_handle.is_focused(window), |el| {
3609                el.border_color(cx.theme().colors().border_focused)
3610            })
3611            .px(rems(0.75)) // ~12px
3612            .overflow_hidden()
3613            .flex_none()
3614            .gap_1p5()
3615            .bg(base_bg)
3616            .hover(|this| this.bg(hover_bg))
3617            .active(|this| this.bg(active_bg))
3618            .on_click({
3619                cx.listener(move |this, event: &ClickEvent, window, cx| {
3620                    this.selected_entry = Some(ix);
3621                    cx.notify();
3622                    if event.modifiers().secondary() {
3623                        this.open_file(&Default::default(), window, cx)
3624                    } else {
3625                        this.open_diff(&Default::default(), window, cx);
3626                        this.focus_handle.focus(window);
3627                    }
3628                })
3629            })
3630            .on_mouse_down(
3631                MouseButton::Right,
3632                move |event: &MouseDownEvent, window, cx| {
3633                    // why isn't this happening automatically? we are passing MouseButton::Right to `on_mouse_down`?
3634                    if event.button != MouseButton::Right {
3635                        return;
3636                    }
3637
3638                    let Some(this) = handle.upgrade() else {
3639                        return;
3640                    };
3641                    this.update(cx, |this, cx| {
3642                        this.deploy_entry_context_menu(event.position, ix, window, cx);
3643                    });
3644                    cx.stop_propagation();
3645                },
3646            )
3647            // .on_secondary_mouse_down(cx.listener(
3648            //     move |this, event: &MouseDownEvent, window, cx| {
3649            //         this.deploy_entry_context_menu(event.position, ix, window, cx);
3650            //         cx.stop_propagation();
3651            //     },
3652            // ))
3653            .child(
3654                div()
3655                    .id(checkbox_wrapper_id)
3656                    .flex_none()
3657                    .occlude()
3658                    .cursor_pointer()
3659                    .child(
3660                        Checkbox::new(checkbox_id, is_staged)
3661                            .disabled(!has_write_access)
3662                            .fill()
3663                            .placeholder(
3664                                !self.has_staged_changes()
3665                                    && !self.has_conflicts()
3666                                    && !entry.status.is_created(),
3667                            )
3668                            .elevation(ElevationIndex::Surface)
3669                            .on_click({
3670                                let entry = entry.clone();
3671                                cx.listener(move |this, _, window, cx| {
3672                                    if !has_write_access {
3673                                        return;
3674                                    }
3675                                    this.toggle_staged_for_entry(
3676                                        &GitListEntry::GitStatusEntry(entry.clone()),
3677                                        window,
3678                                        cx,
3679                                    );
3680                                    cx.stop_propagation();
3681                                })
3682                            })
3683                            .tooltip(move |window, cx| {
3684                                let is_staged = entry_staging.is_fully_staged();
3685
3686                                let action = if is_staged { "Unstage" } else { "Stage" };
3687                                let tooltip_name = if shift_held {
3688                                    format!("{} section", action)
3689                                } else {
3690                                    action.to_string()
3691                                };
3692
3693                                let meta = if shift_held {
3694                                    format!(
3695                                        "Release shift to {} single entry",
3696                                        action.to_lowercase()
3697                                    )
3698                                } else {
3699                                    format!("Shift click to {} section", action.to_lowercase())
3700                                };
3701
3702                                Tooltip::with_meta(
3703                                    tooltip_name,
3704                                    Some(&ToggleStaged),
3705                                    meta,
3706                                    window,
3707                                    cx,
3708                                )
3709                            }),
3710                    ),
3711            )
3712            .child(git_status_icon(status))
3713            .child(
3714                h_flex()
3715                    .items_center()
3716                    .flex_1()
3717                    // .overflow_hidden()
3718                    .when_some(entry.parent_dir(), |this, parent| {
3719                        if !parent.is_empty() {
3720                            this.child(
3721                                self.entry_label(format!("{}/", parent), path_color)
3722                                    .when(status.is_deleted(), |this| this.strikethrough()),
3723                            )
3724                        } else {
3725                            this
3726                        }
3727                    })
3728                    .child(
3729                        self.entry_label(display_name.clone(), label_color)
3730                            .when(status.is_deleted(), |this| this.strikethrough()),
3731                    ),
3732            )
3733            .into_any_element()
3734    }
3735
3736    fn has_write_access(&self, cx: &App) -> bool {
3737        !self.project.read(cx).is_read_only(cx)
3738    }
3739}
3740
3741fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn LanguageModel>> {
3742    assistant_settings::AssistantSettings::get_global(cx)
3743        .enabled
3744        .then(|| {
3745            let provider = LanguageModelRegistry::read_global(cx).active_provider()?;
3746            let model = LanguageModelRegistry::read_global(cx).active_model()?;
3747            provider.is_authenticated(cx).then(|| model)
3748        })
3749        .flatten()
3750}
3751
3752impl Render for GitPanel {
3753    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3754        let project = self.project.read(cx);
3755        let has_entries = self.entries.len() > 0;
3756        let room = self
3757            .workspace
3758            .upgrade()
3759            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned());
3760
3761        let has_write_access = self.has_write_access(cx);
3762
3763        let has_co_authors = room.map_or(false, |room| {
3764            room.read(cx)
3765                .remote_participants()
3766                .values()
3767                .any(|remote_participant| remote_participant.can_write())
3768        });
3769
3770        v_flex()
3771            .id("git_panel")
3772            .key_context(self.dispatch_context(window, cx))
3773            .track_focus(&self.focus_handle)
3774            .on_modifiers_changed(cx.listener(Self::handle_modifiers_changed))
3775            .when(has_write_access && !project.is_read_only(cx), |this| {
3776                this.on_action(cx.listener(Self::toggle_staged_for_selected))
3777                    .on_action(cx.listener(GitPanel::commit))
3778                    .on_action(cx.listener(Self::stage_all))
3779                    .on_action(cx.listener(Self::unstage_all))
3780                    .on_action(cx.listener(Self::stage_selected))
3781                    .on_action(cx.listener(Self::unstage_selected))
3782                    .on_action(cx.listener(Self::restore_tracked_files))
3783                    .on_action(cx.listener(Self::revert_selected))
3784                    .on_action(cx.listener(Self::clean_all))
3785                    .on_action(cx.listener(Self::generate_commit_message_action))
3786            })
3787            .on_action(cx.listener(Self::select_first))
3788            .on_action(cx.listener(Self::select_next))
3789            .on_action(cx.listener(Self::select_previous))
3790            .on_action(cx.listener(Self::select_last))
3791            .on_action(cx.listener(Self::close_panel))
3792            .on_action(cx.listener(Self::open_diff))
3793            .on_action(cx.listener(Self::open_file))
3794            .on_action(cx.listener(Self::focus_changes_list))
3795            .on_action(cx.listener(Self::focus_editor))
3796            .on_action(cx.listener(Self::expand_commit_editor))
3797            .when(has_write_access && has_co_authors, |git_panel| {
3798                git_panel.on_action(cx.listener(Self::toggle_fill_co_authors))
3799            })
3800            .on_hover(cx.listener(move |this, hovered, window, cx| {
3801                if *hovered {
3802                    this.horizontal_scrollbar.show(cx);
3803                    this.vertical_scrollbar.show(cx);
3804                    cx.notify();
3805                } else if !this.focus_handle.contains_focused(window, cx) {
3806                    this.hide_scrollbars(window, cx);
3807                }
3808            }))
3809            .size_full()
3810            .overflow_hidden()
3811            .bg(cx.theme().colors().panel_background)
3812            .child(
3813                v_flex()
3814                    .size_full()
3815                    .children(self.render_panel_header(window, cx))
3816                    .map(|this| {
3817                        if has_entries {
3818                            this.child(self.render_entries(has_write_access, window, cx))
3819                        } else {
3820                            this.child(self.render_empty_state(cx).into_any_element())
3821                        }
3822                    })
3823                    .children(self.render_footer(window, cx))
3824                    .children(self.render_previous_commit(cx))
3825                    .into_any_element(),
3826            )
3827            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
3828                deferred(
3829                    anchored()
3830                        .position(*position)
3831                        .anchor(Corner::TopLeft)
3832                        .child(menu.clone()),
3833                )
3834                .with_priority(1)
3835            }))
3836    }
3837}
3838
3839impl Focusable for GitPanel {
3840    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
3841        if self.entries.is_empty() {
3842            self.commit_editor.focus_handle(cx)
3843        } else {
3844            self.focus_handle.clone()
3845        }
3846    }
3847}
3848
3849impl EventEmitter<Event> for GitPanel {}
3850
3851impl EventEmitter<PanelEvent> for GitPanel {}
3852
3853pub(crate) struct GitPanelAddon {
3854    pub(crate) workspace: WeakEntity<Workspace>,
3855}
3856
3857impl editor::Addon for GitPanelAddon {
3858    fn to_any(&self) -> &dyn std::any::Any {
3859        self
3860    }
3861
3862    fn render_buffer_header_controls(
3863        &self,
3864        excerpt_info: &ExcerptInfo,
3865        window: &Window,
3866        cx: &App,
3867    ) -> Option<AnyElement> {
3868        let file = excerpt_info.buffer.file()?;
3869        let git_panel = self.workspace.upgrade()?.read(cx).panel::<GitPanel>(cx)?;
3870
3871        git_panel
3872            .read(cx)
3873            .render_buffer_header_controls(&git_panel, &file, window, cx)
3874    }
3875}
3876
3877impl Panel for GitPanel {
3878    fn persistent_name() -> &'static str {
3879        "GitPanel"
3880    }
3881
3882    fn position(&self, _: &Window, cx: &App) -> DockPosition {
3883        GitPanelSettings::get_global(cx).dock
3884    }
3885
3886    fn position_is_valid(&self, position: DockPosition) -> bool {
3887        matches!(position, DockPosition::Left | DockPosition::Right)
3888    }
3889
3890    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
3891        settings::update_settings_file::<GitPanelSettings>(
3892            self.fs.clone(),
3893            cx,
3894            move |settings, _| settings.dock = Some(position),
3895        );
3896    }
3897
3898    fn size(&self, _: &Window, cx: &App) -> Pixels {
3899        self.width
3900            .unwrap_or_else(|| GitPanelSettings::get_global(cx).default_width)
3901    }
3902
3903    fn set_size(&mut self, size: Option<Pixels>, _: &mut Window, cx: &mut Context<Self>) {
3904        self.width = size;
3905        self.serialize(cx);
3906        cx.notify();
3907    }
3908
3909    fn icon(&self, _: &Window, cx: &App) -> Option<ui::IconName> {
3910        Some(ui::IconName::GitBranchSmall).filter(|_| GitPanelSettings::get_global(cx).button)
3911    }
3912
3913    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
3914        Some("Git Panel")
3915    }
3916
3917    fn toggle_action(&self) -> Box<dyn Action> {
3918        Box::new(ToggleFocus)
3919    }
3920
3921    fn activation_priority(&self) -> u32 {
3922        2
3923    }
3924}
3925
3926impl PanelHeader for GitPanel {}
3927
3928struct GitPanelMessageTooltip {
3929    commit_tooltip: Option<Entity<CommitTooltip>>,
3930}
3931
3932impl GitPanelMessageTooltip {
3933    fn new(
3934        git_panel: Entity<GitPanel>,
3935        sha: SharedString,
3936        window: &mut Window,
3937        cx: &mut App,
3938    ) -> Entity<Self> {
3939        cx.new(|cx| {
3940            cx.spawn_in(window, async move |this, cx| {
3941                let details = git_panel
3942                    .update(cx, |git_panel, cx| {
3943                        git_panel.load_commit_details(sha.to_string(), cx)
3944                    })?
3945                    .await?;
3946
3947                let commit_details = editor::commit_tooltip::CommitDetails {
3948                    sha: details.sha.clone(),
3949                    committer_name: details.committer_name.clone(),
3950                    committer_email: details.committer_email.clone(),
3951                    commit_time: OffsetDateTime::from_unix_timestamp(details.commit_timestamp)?,
3952                    message: Some(editor::commit_tooltip::ParsedCommitMessage {
3953                        message: details.message.clone(),
3954                        ..Default::default()
3955                    }),
3956                };
3957
3958                this.update_in(cx, |this: &mut GitPanelMessageTooltip, window, cx| {
3959                    this.commit_tooltip =
3960                        Some(cx.new(move |cx| CommitTooltip::new(commit_details, window, cx)));
3961                    cx.notify();
3962                })
3963            })
3964            .detach();
3965
3966            Self {
3967                commit_tooltip: None,
3968            }
3969        })
3970    }
3971}
3972
3973impl Render for GitPanelMessageTooltip {
3974    fn render(&mut self, _window: &mut Window, _cx: &mut Context<'_, Self>) -> impl IntoElement {
3975        if let Some(commit_tooltip) = &self.commit_tooltip {
3976            commit_tooltip.clone().into_any_element()
3977        } else {
3978            gpui::Empty.into_any_element()
3979        }
3980    }
3981}
3982
3983#[derive(IntoElement, IntoComponent)]
3984#[component(scope = "Version Control")]
3985pub struct PanelRepoFooter {
3986    active_repository: SharedString,
3987    branch: Option<Branch>,
3988    // Getting a GitPanel in previews will be difficult.
3989    //
3990    // For now just take an option here, and we won't bind handlers to buttons in previews.
3991    git_panel: Option<Entity<GitPanel>>,
3992}
3993
3994impl PanelRepoFooter {
3995    pub fn new(
3996        active_repository: SharedString,
3997        branch: Option<Branch>,
3998        git_panel: Option<Entity<GitPanel>>,
3999    ) -> Self {
4000        Self {
4001            active_repository,
4002            branch,
4003            git_panel,
4004        }
4005    }
4006
4007    pub fn new_preview(active_repository: SharedString, branch: Option<Branch>) -> Self {
4008        Self {
4009            active_repository,
4010            branch,
4011            git_panel: None,
4012        }
4013    }
4014}
4015
4016impl RenderOnce for PanelRepoFooter {
4017    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
4018        let project = self
4019            .git_panel
4020            .as_ref()
4021            .map(|panel| panel.read(cx).project.clone());
4022
4023        let repo = self
4024            .git_panel
4025            .as_ref()
4026            .and_then(|panel| panel.read(cx).active_repository.clone());
4027
4028        let single_repo = project
4029            .as_ref()
4030            .map(|project| {
4031                filtered_repository_entries(project.read(cx).git_store().read(cx), cx).len() == 1
4032            })
4033            .unwrap_or(true);
4034
4035        const MAX_BRANCH_LEN: usize = 16;
4036        const MAX_REPO_LEN: usize = 16;
4037        const LABEL_CHARACTER_BUDGET: usize = MAX_BRANCH_LEN + MAX_REPO_LEN;
4038
4039        let branch = self.branch.clone();
4040        let branch_name = branch
4041            .as_ref()
4042            .map_or(" (no branch)".into(), |branch| branch.name.clone());
4043        let active_repo_name = self.active_repository.clone();
4044
4045        let branch_actual_len = branch_name.len();
4046        let repo_actual_len = active_repo_name.len();
4047
4048        // ideally, show the whole branch and repo names but
4049        // when we can't, use a budget to allocate space between the two
4050        let (repo_display_len, branch_display_len) = if branch_actual_len + repo_actual_len
4051            <= LABEL_CHARACTER_BUDGET
4052        {
4053            (repo_actual_len, branch_actual_len)
4054        } else {
4055            if branch_actual_len <= MAX_BRANCH_LEN {
4056                let repo_space = (LABEL_CHARACTER_BUDGET - branch_actual_len).min(MAX_REPO_LEN);
4057                (repo_space, branch_actual_len)
4058            } else if repo_actual_len <= MAX_REPO_LEN {
4059                let branch_space = (LABEL_CHARACTER_BUDGET - repo_actual_len).min(MAX_BRANCH_LEN);
4060                (repo_actual_len, branch_space)
4061            } else {
4062                (MAX_REPO_LEN, MAX_BRANCH_LEN)
4063            }
4064        };
4065
4066        let truncated_repo_name = if repo_actual_len <= repo_display_len {
4067            active_repo_name.to_string()
4068        } else {
4069            util::truncate_and_trailoff(active_repo_name.trim_ascii(), repo_display_len)
4070        };
4071
4072        let truncated_branch_name = if branch_actual_len <= branch_display_len {
4073            branch_name.to_string()
4074        } else {
4075            util::truncate_and_trailoff(branch_name.trim_ascii(), branch_display_len)
4076        };
4077
4078        let repo_selector_trigger = Button::new("repo-selector", truncated_repo_name)
4079            .style(ButtonStyle::Transparent)
4080            .size(ButtonSize::None)
4081            .label_size(LabelSize::Small)
4082            .color(Color::Muted);
4083
4084        let repo_selector = PopoverMenu::new("repository-switcher")
4085            .menu({
4086                let project = project.clone();
4087                move |window, cx| {
4088                    let project = project.clone()?;
4089                    Some(cx.new(|cx| RepositorySelector::new(project, rems(16.), window, cx)))
4090                }
4091            })
4092            .trigger_with_tooltip(
4093                repo_selector_trigger.disabled(single_repo).truncate(true),
4094                Tooltip::text("Switch active repository"),
4095            )
4096            .anchor(Corner::BottomLeft)
4097            .into_any_element();
4098
4099        let branch_selector_button = Button::new("branch-selector", truncated_branch_name)
4100            .style(ButtonStyle::Transparent)
4101            .size(ButtonSize::None)
4102            .label_size(LabelSize::Small)
4103            .truncate(true)
4104            .tooltip(Tooltip::for_action_title(
4105                "Switch Branch",
4106                &zed_actions::git::Branch,
4107            ))
4108            .on_click(|_, window, cx| {
4109                window.dispatch_action(zed_actions::git::Branch.boxed_clone(), cx);
4110            });
4111
4112        let branch_selector = PopoverMenu::new("popover-button")
4113            .menu(move |window, cx| Some(branch_picker::popover(repo.clone(), window, cx)))
4114            .trigger_with_tooltip(
4115                branch_selector_button,
4116                Tooltip::for_action_title("Switch Branch", &zed_actions::git::Branch),
4117            )
4118            .anchor(Corner::BottomLeft)
4119            .offset(gpui::Point {
4120                x: px(0.0),
4121                y: px(-2.0),
4122            });
4123
4124        h_flex()
4125            .w_full()
4126            .px_2()
4127            .h(px(36.))
4128            .items_center()
4129            .justify_between()
4130            .gap_1()
4131            .child(
4132                h_flex()
4133                    .flex_1()
4134                    .overflow_hidden()
4135                    .items_center()
4136                    .child(
4137                        div().child(
4138                            Icon::new(IconName::GitBranchSmall)
4139                                .size(IconSize::Small)
4140                                .color(if single_repo {
4141                                    Color::Disabled
4142                                } else {
4143                                    Color::Muted
4144                                }),
4145                        ),
4146                    )
4147                    .child(repo_selector)
4148                    .when_some(branch.clone(), |this, _| {
4149                        this.child(
4150                            div()
4151                                .text_color(cx.theme().colors().text_muted)
4152                                .text_sm()
4153                                .child("/"),
4154                        )
4155                    })
4156                    .child(branch_selector),
4157            )
4158            .children(if let Some(git_panel) = self.git_panel {
4159                git_panel.update(cx, |git_panel, cx| git_panel.render_remote_button(cx))
4160            } else {
4161                None
4162            })
4163    }
4164}
4165
4166impl ComponentPreview for PanelRepoFooter {
4167    fn preview(_window: &mut Window, _cx: &mut App) -> AnyElement {
4168        let unknown_upstream = None;
4169        let no_remote_upstream = Some(UpstreamTracking::Gone);
4170        let ahead_of_upstream = Some(
4171            UpstreamTrackingStatus {
4172                ahead: 2,
4173                behind: 0,
4174            }
4175            .into(),
4176        );
4177        let behind_upstream = Some(
4178            UpstreamTrackingStatus {
4179                ahead: 0,
4180                behind: 2,
4181            }
4182            .into(),
4183        );
4184        let ahead_and_behind_upstream = Some(
4185            UpstreamTrackingStatus {
4186                ahead: 3,
4187                behind: 1,
4188            }
4189            .into(),
4190        );
4191
4192        let not_ahead_or_behind_upstream = Some(
4193            UpstreamTrackingStatus {
4194                ahead: 0,
4195                behind: 0,
4196            }
4197            .into(),
4198        );
4199
4200        fn branch(upstream: Option<UpstreamTracking>) -> Branch {
4201            Branch {
4202                is_head: true,
4203                name: "some-branch".into(),
4204                upstream: upstream.map(|tracking| Upstream {
4205                    ref_name: "origin/some-branch".into(),
4206                    tracking,
4207                }),
4208                most_recent_commit: Some(CommitSummary {
4209                    sha: "abc123".into(),
4210                    subject: "Modify stuff".into(),
4211                    commit_timestamp: 1710932954,
4212                    has_parent: true,
4213                }),
4214            }
4215        }
4216
4217        fn custom(branch_name: &str, upstream: Option<UpstreamTracking>) -> Branch {
4218            Branch {
4219                is_head: true,
4220                name: branch_name.to_string().into(),
4221                upstream: upstream.map(|tracking| Upstream {
4222                    ref_name: format!("zed/{}", branch_name).into(),
4223                    tracking,
4224                }),
4225                most_recent_commit: Some(CommitSummary {
4226                    sha: "abc123".into(),
4227                    subject: "Modify stuff".into(),
4228                    commit_timestamp: 1710932954,
4229                    has_parent: true,
4230                }),
4231            }
4232        }
4233
4234        fn active_repository(id: usize) -> SharedString {
4235            format!("repo-{}", id).into()
4236        }
4237
4238        let example_width = px(340.);
4239
4240        v_flex()
4241            .gap_6()
4242            .w_full()
4243            .flex_none()
4244            .children(vec![example_group_with_title(
4245                "Action Button States",
4246                vec![
4247                    single_example(
4248                        "No Branch",
4249                        div()
4250                            .w(example_width)
4251                            .overflow_hidden()
4252                            .child(PanelRepoFooter::new_preview(
4253                                active_repository(1).clone(),
4254                                None,
4255                            ))
4256                            .into_any_element(),
4257                    )
4258                    .grow(),
4259                    single_example(
4260                        "Remote status unknown",
4261                        div()
4262                            .w(example_width)
4263                            .overflow_hidden()
4264                            .child(PanelRepoFooter::new_preview(
4265                                active_repository(2).clone(),
4266                                Some(branch(unknown_upstream)),
4267                            ))
4268                            .into_any_element(),
4269                    )
4270                    .grow(),
4271                    single_example(
4272                        "No Remote Upstream",
4273                        div()
4274                            .w(example_width)
4275                            .overflow_hidden()
4276                            .child(PanelRepoFooter::new_preview(
4277                                active_repository(3).clone(),
4278                                Some(branch(no_remote_upstream)),
4279                            ))
4280                            .into_any_element(),
4281                    )
4282                    .grow(),
4283                    single_example(
4284                        "Not Ahead or Behind",
4285                        div()
4286                            .w(example_width)
4287                            .overflow_hidden()
4288                            .child(PanelRepoFooter::new_preview(
4289                                active_repository(4).clone(),
4290                                Some(branch(not_ahead_or_behind_upstream)),
4291                            ))
4292                            .into_any_element(),
4293                    )
4294                    .grow(),
4295                    single_example(
4296                        "Behind remote",
4297                        div()
4298                            .w(example_width)
4299                            .overflow_hidden()
4300                            .child(PanelRepoFooter::new_preview(
4301                                active_repository(5).clone(),
4302                                Some(branch(behind_upstream)),
4303                            ))
4304                            .into_any_element(),
4305                    )
4306                    .grow(),
4307                    single_example(
4308                        "Ahead of remote",
4309                        div()
4310                            .w(example_width)
4311                            .overflow_hidden()
4312                            .child(PanelRepoFooter::new_preview(
4313                                active_repository(6).clone(),
4314                                Some(branch(ahead_of_upstream)),
4315                            ))
4316                            .into_any_element(),
4317                    )
4318                    .grow(),
4319                    single_example(
4320                        "Ahead and behind remote",
4321                        div()
4322                            .w(example_width)
4323                            .overflow_hidden()
4324                            .child(PanelRepoFooter::new_preview(
4325                                active_repository(7).clone(),
4326                                Some(branch(ahead_and_behind_upstream)),
4327                            ))
4328                            .into_any_element(),
4329                    )
4330                    .grow(),
4331                ],
4332            )
4333            .grow()
4334            .vertical()])
4335            .children(vec![example_group_with_title(
4336                "Labels",
4337                vec![
4338                    single_example(
4339                        "Short Branch & Repo",
4340                        div()
4341                            .w(example_width)
4342                            .overflow_hidden()
4343                            .child(PanelRepoFooter::new_preview(
4344                                SharedString::from("zed"),
4345                                Some(custom("main", behind_upstream)),
4346                            ))
4347                            .into_any_element(),
4348                    )
4349                    .grow(),
4350                    single_example(
4351                        "Long Branch",
4352                        div()
4353                            .w(example_width)
4354                            .overflow_hidden()
4355                            .child(PanelRepoFooter::new_preview(
4356                                SharedString::from("zed"),
4357                                Some(custom(
4358                                    "redesign-and-update-git-ui-list-entry-style",
4359                                    behind_upstream,
4360                                )),
4361                            ))
4362                            .into_any_element(),
4363                    )
4364                    .grow(),
4365                    single_example(
4366                        "Long Repo",
4367                        div()
4368                            .w(example_width)
4369                            .overflow_hidden()
4370                            .child(PanelRepoFooter::new_preview(
4371                                SharedString::from("zed-industries-community-examples"),
4372                                Some(custom("gpui", ahead_of_upstream)),
4373                            ))
4374                            .into_any_element(),
4375                    )
4376                    .grow(),
4377                    single_example(
4378                        "Long Repo & Branch",
4379                        div()
4380                            .w(example_width)
4381                            .overflow_hidden()
4382                            .child(PanelRepoFooter::new_preview(
4383                                SharedString::from("zed-industries-community-examples"),
4384                                Some(custom(
4385                                    "redesign-and-update-git-ui-list-entry-style",
4386                                    behind_upstream,
4387                                )),
4388                            ))
4389                            .into_any_element(),
4390                    )
4391                    .grow(),
4392                    single_example(
4393                        "Uppercase Repo",
4394                        div()
4395                            .w(example_width)
4396                            .overflow_hidden()
4397                            .child(PanelRepoFooter::new_preview(
4398                                SharedString::from("LICENSES"),
4399                                Some(custom("main", ahead_of_upstream)),
4400                            ))
4401                            .into_any_element(),
4402                    )
4403                    .grow(),
4404                    single_example(
4405                        "Uppercase Branch",
4406                        div()
4407                            .w(example_width)
4408                            .overflow_hidden()
4409                            .child(PanelRepoFooter::new_preview(
4410                                SharedString::from("zed"),
4411                                Some(custom("update-README", behind_upstream)),
4412                            ))
4413                            .into_any_element(),
4414                    )
4415                    .grow(),
4416                ],
4417            )
4418            .grow()
4419            .vertical()])
4420            .into_any_element()
4421    }
4422}
4423
4424#[cfg(test)]
4425mod tests {
4426    use git::status::StatusCode;
4427    use gpui::TestAppContext;
4428    use project::{FakeFs, WorktreeSettings};
4429    use serde_json::json;
4430    use settings::SettingsStore;
4431    use theme::LoadThemes;
4432    use util::path;
4433
4434    use super::*;
4435
4436    fn init_test(cx: &mut gpui::TestAppContext) {
4437        if std::env::var("RUST_LOG").is_ok() {
4438            env_logger::try_init().ok();
4439        }
4440
4441        cx.update(|cx| {
4442            let settings_store = SettingsStore::test(cx);
4443            cx.set_global(settings_store);
4444            AssistantSettings::register(cx);
4445            WorktreeSettings::register(cx);
4446            workspace::init_settings(cx);
4447            theme::init(LoadThemes::JustBase, cx);
4448            language::init(cx);
4449            editor::init(cx);
4450            Project::init_settings(cx);
4451            crate::init(cx);
4452        });
4453    }
4454
4455    #[gpui::test]
4456    async fn test_entry_worktree_paths(cx: &mut TestAppContext) {
4457        init_test(cx);
4458        let fs = FakeFs::new(cx.background_executor.clone());
4459        fs.insert_tree(
4460            "/root",
4461            json!({
4462                "zed": {
4463                    ".git": {},
4464                    "crates": {
4465                        "gpui": {
4466                            "gpui.rs": "fn main() {}"
4467                        },
4468                        "util": {
4469                            "util.rs": "fn do_it() {}"
4470                        }
4471                    }
4472                },
4473            }),
4474        )
4475        .await;
4476
4477        fs.set_status_for_repo(
4478            Path::new(path!("/root/zed/.git")),
4479            &[
4480                (
4481                    Path::new("crates/gpui/gpui.rs"),
4482                    StatusCode::Modified.worktree(),
4483                ),
4484                (
4485                    Path::new("crates/util/util.rs"),
4486                    StatusCode::Modified.worktree(),
4487                ),
4488            ],
4489        );
4490
4491        let project =
4492            Project::test(fs.clone(), [path!("/root/zed/crates/gpui").as_ref()], cx).await;
4493        let (workspace, cx) =
4494            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4495
4496        cx.read(|cx| {
4497            project
4498                .read(cx)
4499                .worktrees(cx)
4500                .nth(0)
4501                .unwrap()
4502                .read(cx)
4503                .as_local()
4504                .unwrap()
4505                .scan_complete()
4506        })
4507        .await;
4508
4509        cx.executor().run_until_parked();
4510
4511        let app_state = workspace.update(cx, |workspace, _| workspace.app_state().clone());
4512        let panel = cx.new_window_entity(|window, cx| {
4513            GitPanel::new(workspace.clone(), project.clone(), app_state, window, cx)
4514        });
4515
4516        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4517            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4518        });
4519        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4520        handle.await;
4521
4522        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4523        pretty_assertions::assert_eq!(
4524            entries,
4525            [
4526                GitListEntry::Header(GitHeaderEntry {
4527                    header: Section::Tracked
4528                }),
4529                GitListEntry::GitStatusEntry(GitStatusEntry {
4530                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4531                    repo_path: "crates/gpui/gpui.rs".into(),
4532                    worktree_path: Path::new("gpui.rs").into(),
4533                    status: StatusCode::Modified.worktree(),
4534                    staging: StageStatus::Unstaged,
4535                }),
4536                GitListEntry::GitStatusEntry(GitStatusEntry {
4537                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4538                    repo_path: "crates/util/util.rs".into(),
4539                    worktree_path: Path::new("../util/util.rs").into(),
4540                    status: StatusCode::Modified.worktree(),
4541                    staging: StageStatus::Unstaged,
4542                },),
4543            ],
4544        );
4545
4546        cx.update_window_entity(&panel, |panel, window, cx| {
4547            panel.select_last(&Default::default(), window, cx);
4548            assert_eq!(panel.selected_entry, Some(2));
4549            panel.open_diff(&Default::default(), window, cx);
4550        });
4551        cx.run_until_parked();
4552
4553        let worktree_roots = workspace.update(cx, |workspace, cx| {
4554            workspace
4555                .worktrees(cx)
4556                .map(|worktree| worktree.read(cx).abs_path())
4557                .collect::<Vec<_>>()
4558        });
4559        pretty_assertions::assert_eq!(
4560            worktree_roots,
4561            vec![
4562                Path::new(path!("/root/zed/crates/gpui")).into(),
4563                Path::new(path!("/root/zed/crates/util/util.rs")).into(),
4564            ]
4565        );
4566
4567        project.update(cx, |project, cx| {
4568            let git_store = project.git_store().read(cx);
4569            // The repo that comes from the single-file worktree can't be selected through the UI.
4570            let filtered_entries = filtered_repository_entries(git_store, cx)
4571                .iter()
4572                .map(|repo| repo.read(cx).worktree_abs_path.clone())
4573                .collect::<Vec<_>>();
4574            assert_eq!(
4575                filtered_entries,
4576                [Path::new(path!("/root/zed/crates/gpui")).into()]
4577            );
4578            // But we can select it artificially here.
4579            let repo_from_single_file_worktree = git_store
4580                .repositories()
4581                .values()
4582                .find(|repo| {
4583                    repo.read(cx).worktree_abs_path.as_ref()
4584                        == Path::new(path!("/root/zed/crates/util/util.rs"))
4585                })
4586                .unwrap()
4587                .clone();
4588
4589            // Paths still make sense when we somehow activate a repo that comes from a single-file worktree.
4590            repo_from_single_file_worktree.update(cx, |repo, cx| repo.set_as_active_repository(cx));
4591        });
4592
4593        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4594            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4595        });
4596        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4597        handle.await;
4598        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4599        pretty_assertions::assert_eq!(
4600            entries,
4601            [
4602                GitListEntry::Header(GitHeaderEntry {
4603                    header: Section::Tracked
4604                }),
4605                GitListEntry::GitStatusEntry(GitStatusEntry {
4606                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4607                    repo_path: "crates/gpui/gpui.rs".into(),
4608                    worktree_path: Path::new("../../gpui/gpui.rs").into(),
4609                    status: StatusCode::Modified.worktree(),
4610                    staging: StageStatus::Unstaged,
4611                }),
4612                GitListEntry::GitStatusEntry(GitStatusEntry {
4613                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4614                    repo_path: "crates/util/util.rs".into(),
4615                    worktree_path: Path::new("util.rs").into(),
4616                    status: StatusCode::Modified.worktree(),
4617                    staging: StageStatus::Unstaged,
4618                },),
4619            ],
4620        );
4621    }
4622}