1use crate::askpass_modal::AskPassModal;
   2use crate::commit_modal::CommitModal;
   3use crate::commit_tooltip::CommitTooltip;
   4use crate::commit_view::CommitView;
   5use crate::git_panel_settings::StatusStyle;
   6use crate::project_diff::{self, Diff, ProjectDiff};
   7use crate::remote_output::{self, RemoteAction, SuccessMessage};
   8use crate::{branch_picker, picker_prompt, render_remote_button};
   9use crate::{
  10    git_panel_settings::GitPanelSettings, git_status_icon, repository_selector::RepositorySelector,
  11};
  12use anyhow::Result;
  13use askpass::AskPassDelegate;
  14use assistant_settings::AssistantSettings;
  15use db::kvp::KEY_VALUE_STORE;
  16
  17use editor::{
  18    Editor, EditorElement, EditorMode, EditorSettings, MultiBuffer, ShowScrollbar,
  19    scroll::ScrollbarAutoHide,
  20};
  21use futures::StreamExt as _;
  22use git::blame::ParsedCommitMessage;
  23use git::repository::{
  24    Branch, CommitDetails, CommitOptions, CommitSummary, DiffType, PushOptions, Remote,
  25    RemoteCommandOutput, ResetMode, Upstream, UpstreamTracking, UpstreamTrackingStatus,
  26};
  27use git::status::StageStatus;
  28use git::{Amend, ToggleStaged, repository::RepoPath, status::FileStatus};
  29use git::{ExpandCommitEditor, RestoreTrackedFiles, StageAll, TrashUntrackedFiles, UnstageAll};
  30use gpui::{
  31    Action, Animation, AnimationExt as _, Axis, ClickEvent, Corner, DismissEvent, Entity,
  32    EventEmitter, FocusHandle, Focusable, KeyContext, ListHorizontalSizingBehavior,
  33    ListSizingBehavior, Modifiers, ModifiersChangedEvent, MouseButton, MouseDownEvent, Point,
  34    PromptLevel, ScrollStrategy, Subscription, Task, Transformation, UniformListScrollHandle,
  35    WeakEntity, actions, anchored, deferred, percentage, uniform_list,
  36};
  37use itertools::Itertools;
  38use language::{Buffer, File};
  39use language_model::{
  40    ConfiguredModel, LanguageModel, LanguageModelRegistry, LanguageModelRequest,
  41    LanguageModelRequestMessage, Role,
  42};
  43use menu::{Confirm, SecondaryConfirm, SelectFirst, SelectLast, SelectNext, SelectPrevious};
  44use multi_buffer::ExcerptInfo;
  45use panel::{
  46    PanelHeader, panel_button, panel_editor_container, panel_editor_style, panel_filled_button,
  47    panel_icon_button,
  48};
  49use project::git_store::RepositoryEvent;
  50use project::{
  51    Fs, Project, ProjectPath,
  52    git_store::{GitStoreEvent, Repository},
  53};
  54use serde::{Deserialize, Serialize};
  55use settings::{Settings as _, SettingsStore};
  56use std::future::Future;
  57use std::path::{Path, PathBuf};
  58use std::{collections::HashSet, sync::Arc, time::Duration, usize};
  59use strum::{IntoEnumIterator, VariantNames};
  60use time::OffsetDateTime;
  61use ui::{
  62    Checkbox, ContextMenu, ElevationIndex, PopoverMenu, Scrollbar, ScrollbarState, SplitButton,
  63    Tooltip, prelude::*,
  64};
  65use util::{ResultExt, TryFutureExt, maybe};
  66use workspace::AppState;
  67
  68use notifications::status_toast::{StatusToast, ToastIcon};
  69use workspace::{
  70    Workspace,
  71    dock::{DockPosition, Panel, PanelEvent},
  72    notifications::DetachAndPromptErr,
  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
 108struct GitMenuState {
 109    has_tracked_changes: bool,
 110    has_staged_changes: bool,
 111    has_unstaged_changes: bool,
 112    has_new_changes: bool,
 113}
 114
 115fn git_panel_context_menu(
 116    focus_handle: FocusHandle,
 117    state: GitMenuState,
 118    window: &mut Window,
 119    cx: &mut App,
 120) -> Entity<ContextMenu> {
 121    ContextMenu::build(window, cx, move |context_menu, _, _| {
 122        context_menu
 123            .context(focus_handle)
 124            .map(|menu| {
 125                if state.has_unstaged_changes {
 126                    menu.action("Stage All", StageAll.boxed_clone())
 127                } else {
 128                    menu.disabled_action("Stage All", StageAll.boxed_clone())
 129                }
 130            })
 131            .map(|menu| {
 132                if state.has_staged_changes {
 133                    menu.action("Unstage All", UnstageAll.boxed_clone())
 134                } else {
 135                    menu.disabled_action("Unstage All", UnstageAll.boxed_clone())
 136                }
 137            })
 138            .separator()
 139            .action("Open Diff", project_diff::Diff.boxed_clone())
 140            .separator()
 141            .map(|menu| {
 142                if state.has_tracked_changes {
 143                    menu.action("Discard Tracked Changes", RestoreTrackedFiles.boxed_clone())
 144                } else {
 145                    menu.disabled_action(
 146                        "Discard Tracked Changes",
 147                        RestoreTrackedFiles.boxed_clone(),
 148                    )
 149                }
 150            })
 151            .map(|menu| {
 152                if state.has_new_changes {
 153                    menu.action("Trash Untracked Files", TrashUntrackedFiles.boxed_clone())
 154                } else {
 155                    menu.disabled_action("Trash Untracked Files", TrashUntrackedFiles.boxed_clone())
 156                }
 157            })
 158    })
 159}
 160
 161const GIT_PANEL_KEY: &str = "GitPanel";
 162
 163const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
 164
 165pub fn register(workspace: &mut Workspace) {
 166    workspace.register_action(|workspace, _: &ToggleFocus, window, cx| {
 167        workspace.toggle_panel_focus::<GitPanel>(window, cx);
 168    });
 169    workspace.register_action(|workspace, _: &ExpandCommitEditor, window, cx| {
 170        CommitModal::toggle(workspace, None, window, cx)
 171    });
 172}
 173
 174#[derive(Debug, Clone)]
 175pub enum Event {
 176    Focus,
 177}
 178
 179#[derive(Serialize, Deserialize)]
 180struct SerializedGitPanel {
 181    width: Option<Pixels>,
 182}
 183
 184#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 185enum Section {
 186    Conflict,
 187    Tracked,
 188    New,
 189}
 190
 191#[derive(Debug, PartialEq, Eq, Clone)]
 192struct GitHeaderEntry {
 193    header: Section,
 194}
 195
 196impl GitHeaderEntry {
 197    pub fn contains(&self, status_entry: &GitStatusEntry, repo: &Repository) -> bool {
 198        let this = &self.header;
 199        let status = status_entry.status;
 200        match this {
 201            Section::Conflict => repo.has_conflict(&status_entry.repo_path),
 202            Section::Tracked => !status.is_created(),
 203            Section::New => status.is_created(),
 204        }
 205    }
 206    pub fn title(&self) -> &'static str {
 207        match self.header {
 208            Section::Conflict => "Conflicts",
 209            Section::Tracked => "Tracked",
 210            Section::New => "Untracked",
 211        }
 212    }
 213}
 214
 215#[derive(Debug, PartialEq, Eq, Clone)]
 216enum GitListEntry {
 217    GitStatusEntry(GitStatusEntry),
 218    Header(GitHeaderEntry),
 219}
 220
 221impl GitListEntry {
 222    fn status_entry(&self) -> Option<&GitStatusEntry> {
 223        match self {
 224            GitListEntry::GitStatusEntry(entry) => Some(entry),
 225            _ => None,
 226        }
 227    }
 228}
 229
 230#[derive(Debug, PartialEq, Eq, Clone)]
 231pub struct GitStatusEntry {
 232    pub(crate) repo_path: RepoPath,
 233    pub(crate) abs_path: PathBuf,
 234    pub(crate) status: FileStatus,
 235    pub(crate) staging: StageStatus,
 236}
 237
 238impl GitStatusEntry {
 239    fn display_name(&self) -> String {
 240        self.repo_path
 241            .file_name()
 242            .map(|name| name.to_string_lossy().into_owned())
 243            .unwrap_or_else(|| self.repo_path.to_string_lossy().into_owned())
 244    }
 245
 246    fn parent_dir(&self) -> Option<String> {
 247        self.repo_path
 248            .parent()
 249            .map(|parent| parent.to_string_lossy().into_owned())
 250    }
 251}
 252
 253#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 254enum TargetStatus {
 255    Staged,
 256    Unstaged,
 257    Reverted,
 258    Unchanged,
 259}
 260
 261struct PendingOperation {
 262    finished: bool,
 263    target_status: TargetStatus,
 264    entries: Vec<GitStatusEntry>,
 265    op_id: usize,
 266}
 267
 268// computed state related to how to render scrollbars
 269// one per axis
 270// on render we just read this off the panel
 271// we update it when
 272// - settings change
 273// - on focus in, on focus out, on hover, etc.
 274#[derive(Debug)]
 275struct ScrollbarProperties {
 276    axis: Axis,
 277    show_scrollbar: bool,
 278    show_track: bool,
 279    auto_hide: bool,
 280    hide_task: Option<Task<()>>,
 281    state: ScrollbarState,
 282}
 283
 284impl ScrollbarProperties {
 285    // Shows the scrollbar and cancels any pending hide task
 286    fn show(&mut self, cx: &mut Context<GitPanel>) {
 287        if !self.auto_hide {
 288            return;
 289        }
 290        self.show_scrollbar = true;
 291        self.hide_task.take();
 292        cx.notify();
 293    }
 294
 295    fn hide(&mut self, window: &mut Window, cx: &mut Context<GitPanel>) {
 296        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
 297
 298        if !self.auto_hide {
 299            return;
 300        }
 301
 302        let axis = self.axis;
 303        self.hide_task = Some(cx.spawn_in(window, async move |panel, cx| {
 304            cx.background_executor()
 305                .timer(SCROLLBAR_SHOW_INTERVAL)
 306                .await;
 307
 308            if let Some(panel) = panel.upgrade() {
 309                panel
 310                    .update(cx, |panel, cx| {
 311                        match axis {
 312                            Axis::Vertical => panel.vertical_scrollbar.show_scrollbar = false,
 313                            Axis::Horizontal => panel.horizontal_scrollbar.show_scrollbar = false,
 314                        }
 315                        cx.notify();
 316                    })
 317                    .log_err();
 318            }
 319        }));
 320    }
 321}
 322
 323pub struct GitPanel {
 324    pub(crate) active_repository: Option<Entity<Repository>>,
 325    pub(crate) commit_editor: Entity<Editor>,
 326    conflicted_count: usize,
 327    conflicted_staged_count: usize,
 328    current_modifiers: Modifiers,
 329    add_coauthors: bool,
 330    generate_commit_message_task: Option<Task<Option<()>>>,
 331    entries: Vec<GitListEntry>,
 332    single_staged_entry: Option<GitStatusEntry>,
 333    single_tracked_entry: Option<GitStatusEntry>,
 334    focus_handle: FocusHandle,
 335    fs: Arc<dyn Fs>,
 336    horizontal_scrollbar: ScrollbarProperties,
 337    vertical_scrollbar: ScrollbarProperties,
 338    new_count: usize,
 339    entry_count: usize,
 340    new_staged_count: usize,
 341    pending: Vec<PendingOperation>,
 342    pending_commit: Option<Task<()>>,
 343    amend_pending: bool,
 344    pending_serialization: Task<Option<()>>,
 345    pub(crate) project: Entity<Project>,
 346    scroll_handle: UniformListScrollHandle,
 347    max_width_item_index: Option<usize>,
 348    selected_entry: Option<usize>,
 349    marked_entries: Vec<usize>,
 350    tracked_count: usize,
 351    tracked_staged_count: usize,
 352    update_visible_entries_task: Task<()>,
 353    width: Option<Pixels>,
 354    workspace: WeakEntity<Workspace>,
 355    context_menu: Option<(Entity<ContextMenu>, Point<Pixels>, Subscription)>,
 356    modal_open: bool,
 357    show_placeholders: bool,
 358    _settings_subscription: Subscription,
 359}
 360
 361const MAX_PANEL_EDITOR_LINES: usize = 6;
 362
 363pub(crate) fn commit_message_editor(
 364    commit_message_buffer: Entity<Buffer>,
 365    placeholder: Option<SharedString>,
 366    project: Entity<Project>,
 367    in_panel: bool,
 368    window: &mut Window,
 369    cx: &mut Context<Editor>,
 370) -> Editor {
 371    let buffer = cx.new(|cx| MultiBuffer::singleton(commit_message_buffer, cx));
 372    let max_lines = if in_panel { MAX_PANEL_EDITOR_LINES } else { 18 };
 373    let mut commit_editor = Editor::new(
 374        EditorMode::AutoHeight { max_lines },
 375        buffer,
 376        None,
 377        window,
 378        cx,
 379    );
 380    commit_editor.set_collaboration_hub(Box::new(project));
 381    commit_editor.set_use_autoclose(false);
 382    commit_editor.set_show_gutter(false, cx);
 383    commit_editor.set_show_wrap_guides(false, cx);
 384    commit_editor.set_show_indent_guides(false, cx);
 385    commit_editor.set_hard_wrap(Some(72), cx);
 386    let placeholder = placeholder.unwrap_or("Enter commit message".into());
 387    commit_editor.set_placeholder_text(placeholder, cx);
 388    commit_editor
 389}
 390
 391impl GitPanel {
 392    pub fn new(
 393        workspace: Entity<Workspace>,
 394        project: Entity<Project>,
 395        app_state: Arc<AppState>,
 396        window: &mut Window,
 397        cx: &mut Context<Self>,
 398    ) -> Self {
 399        let fs = app_state.fs.clone();
 400        let git_store = project.read(cx).git_store().clone();
 401        let active_repository = project.read(cx).active_repository(cx);
 402        let workspace = workspace.downgrade();
 403
 404        let focus_handle = cx.focus_handle();
 405        cx.on_focus(&focus_handle, window, Self::focus_in).detach();
 406        cx.on_focus_out(&focus_handle, window, |this, _, window, cx| {
 407            this.hide_scrollbars(window, cx);
 408        })
 409        .detach();
 410
 411        let mut was_sort_by_path = GitPanelSettings::get_global(cx).sort_by_path;
 412        cx.observe_global::<SettingsStore>(move |this, cx| {
 413            let is_sort_by_path = GitPanelSettings::get_global(cx).sort_by_path;
 414            if is_sort_by_path != was_sort_by_path {
 415                this.update_visible_entries(cx);
 416            }
 417            was_sort_by_path = is_sort_by_path
 418        })
 419        .detach();
 420
 421        // just to let us render a placeholder editor.
 422        // Once the active git repo is set, this buffer will be replaced.
 423        let temporary_buffer = cx.new(|cx| Buffer::local("", cx));
 424        let commit_editor = cx.new(|cx| {
 425            commit_message_editor(temporary_buffer, None, project.clone(), true, window, cx)
 426        });
 427
 428        commit_editor.update(cx, |editor, cx| {
 429            editor.clear(window, cx);
 430        });
 431
 432        let scroll_handle = UniformListScrollHandle::new();
 433
 434        cx.subscribe_in(
 435            &git_store,
 436            window,
 437            move |this, git_store, event, window, cx| match event {
 438                GitStoreEvent::ActiveRepositoryChanged(_) => {
 439                    this.active_repository = git_store.read(cx).active_repository();
 440                    this.schedule_update(true, window, cx);
 441                }
 442                GitStoreEvent::RepositoryUpdated(
 443                    _,
 444                    RepositoryEvent::Updated { full_scan },
 445                    true,
 446                ) => {
 447                    this.schedule_update(*full_scan, window, cx);
 448                }
 449
 450                GitStoreEvent::RepositoryAdded(_) | GitStoreEvent::RepositoryRemoved(_) => {
 451                    this.schedule_update(false, window, cx);
 452                }
 453                GitStoreEvent::IndexWriteError(error) => {
 454                    this.workspace
 455                        .update(cx, |workspace, cx| {
 456                            workspace.show_error(error, cx);
 457                        })
 458                        .ok();
 459                }
 460                GitStoreEvent::RepositoryUpdated(_, _, _) => {}
 461                GitStoreEvent::JobsUpdated | GitStoreEvent::ConflictsUpdated => {}
 462            },
 463        )
 464        .detach();
 465
 466        let vertical_scrollbar = ScrollbarProperties {
 467            axis: Axis::Vertical,
 468            state: ScrollbarState::new(scroll_handle.clone()).parent_entity(&cx.entity()),
 469            show_scrollbar: false,
 470            show_track: false,
 471            auto_hide: false,
 472            hide_task: None,
 473        };
 474
 475        let horizontal_scrollbar = ScrollbarProperties {
 476            axis: Axis::Horizontal,
 477            state: ScrollbarState::new(scroll_handle.clone()).parent_entity(&cx.entity()),
 478            show_scrollbar: false,
 479            show_track: false,
 480            auto_hide: false,
 481            hide_task: None,
 482        };
 483
 484        let mut assistant_enabled = AssistantSettings::get_global(cx).enabled;
 485        let _settings_subscription = cx.observe_global::<SettingsStore>(move |_, cx| {
 486            if assistant_enabled != AssistantSettings::get_global(cx).enabled {
 487                assistant_enabled = AssistantSettings::get_global(cx).enabled;
 488                cx.notify();
 489            }
 490        });
 491
 492        let mut git_panel = Self {
 493            active_repository,
 494            commit_editor,
 495            conflicted_count: 0,
 496            conflicted_staged_count: 0,
 497            current_modifiers: window.modifiers(),
 498            add_coauthors: true,
 499            generate_commit_message_task: None,
 500            entries: Vec::new(),
 501            focus_handle: cx.focus_handle(),
 502            fs,
 503            new_count: 0,
 504            new_staged_count: 0,
 505            pending: Vec::new(),
 506            pending_commit: None,
 507            amend_pending: false,
 508            pending_serialization: Task::ready(None),
 509            single_staged_entry: None,
 510            single_tracked_entry: None,
 511            project,
 512            scroll_handle,
 513            max_width_item_index: None,
 514            selected_entry: None,
 515            marked_entries: Vec::new(),
 516            tracked_count: 0,
 517            tracked_staged_count: 0,
 518            update_visible_entries_task: Task::ready(()),
 519            width: None,
 520            show_placeholders: false,
 521            context_menu: None,
 522            workspace,
 523            modal_open: false,
 524            entry_count: 0,
 525            horizontal_scrollbar,
 526            vertical_scrollbar,
 527            _settings_subscription,
 528        };
 529        git_panel.schedule_update(false, window, cx);
 530        git_panel
 531    }
 532
 533    fn hide_scrollbars(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 534        self.horizontal_scrollbar.hide(window, cx);
 535        self.vertical_scrollbar.hide(window, cx);
 536    }
 537
 538    fn update_scrollbar_properties(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
 539        // TODO: This PR should have defined Editor's `scrollbar.axis`
 540        // as an Option<ScrollbarAxis>, not a ScrollbarAxes as it would allow you to
 541        // `.unwrap_or(EditorSettings::get_global(cx).scrollbar.show)`.
 542        //
 543        // Once this is fixed we can extend the GitPanelSettings with a `scrollbar.axis`
 544        // so we can show each axis based on the settings.
 545        //
 546        // We should fix this. PR: https://github.com/zed-industries/zed/pull/19495
 547
 548        let show_setting = GitPanelSettings::get_global(cx)
 549            .scrollbar
 550            .show
 551            .unwrap_or(EditorSettings::get_global(cx).scrollbar.show);
 552
 553        let scroll_handle = self.scroll_handle.0.borrow();
 554
 555        let autohide = |show: ShowScrollbar, cx: &mut Context<Self>| match show {
 556            ShowScrollbar::Auto => true,
 557            ShowScrollbar::System => cx
 558                .try_global::<ScrollbarAutoHide>()
 559                .map_or_else(|| cx.should_auto_hide_scrollbars(), |autohide| autohide.0),
 560            ShowScrollbar::Always => false,
 561            ShowScrollbar::Never => false,
 562        };
 563
 564        let longest_item_width = scroll_handle.last_item_size.and_then(|size| {
 565            (size.contents.width > size.item.width).then_some(size.contents.width)
 566        });
 567
 568        // is there an item long enough that we should show a horizontal scrollbar?
 569        let item_wider_than_container = if let Some(longest_item_width) = longest_item_width {
 570            longest_item_width > px(scroll_handle.base_handle.bounds().size.width.0)
 571        } else {
 572            true
 573        };
 574
 575        let show_horizontal = match (show_setting, item_wider_than_container) {
 576            (_, false) => false,
 577            (ShowScrollbar::Auto | ShowScrollbar::System | ShowScrollbar::Always, true) => true,
 578            (ShowScrollbar::Never, true) => false,
 579        };
 580
 581        let show_vertical = match show_setting {
 582            ShowScrollbar::Auto | ShowScrollbar::System | ShowScrollbar::Always => true,
 583            ShowScrollbar::Never => false,
 584        };
 585
 586        let show_horizontal_track =
 587            show_horizontal && matches!(show_setting, ShowScrollbar::Always);
 588
 589        // TODO: we probably should hide the scroll track when the list doesn't need to scroll
 590        let show_vertical_track = show_vertical && matches!(show_setting, ShowScrollbar::Always);
 591
 592        self.vertical_scrollbar = ScrollbarProperties {
 593            axis: self.vertical_scrollbar.axis,
 594            state: self.vertical_scrollbar.state.clone(),
 595            show_scrollbar: show_vertical,
 596            show_track: show_vertical_track,
 597            auto_hide: autohide(show_setting, cx),
 598            hide_task: None,
 599        };
 600
 601        self.horizontal_scrollbar = ScrollbarProperties {
 602            axis: self.horizontal_scrollbar.axis,
 603            state: self.horizontal_scrollbar.state.clone(),
 604            show_scrollbar: show_horizontal,
 605            show_track: show_horizontal_track,
 606            auto_hide: autohide(show_setting, cx),
 607            hide_task: None,
 608        };
 609
 610        cx.notify();
 611    }
 612
 613    pub fn entry_by_path(&self, path: &RepoPath, cx: &App) -> Option<usize> {
 614        if GitPanelSettings::get_global(cx).sort_by_path {
 615            return self
 616                .entries
 617                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
 618                .ok();
 619        }
 620
 621        if self.conflicted_count > 0 {
 622            let conflicted_start = 1;
 623            if let Ok(ix) = self.entries[conflicted_start..conflicted_start + self.conflicted_count]
 624                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
 625            {
 626                return Some(conflicted_start + ix);
 627            }
 628        }
 629        if self.tracked_count > 0 {
 630            let tracked_start = if self.conflicted_count > 0 {
 631                1 + self.conflicted_count
 632            } else {
 633                0
 634            } + 1;
 635            if let Ok(ix) = self.entries[tracked_start..tracked_start + self.tracked_count]
 636                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
 637            {
 638                return Some(tracked_start + ix);
 639            }
 640        }
 641        if self.new_count > 0 {
 642            let untracked_start = if self.conflicted_count > 0 {
 643                1 + self.conflicted_count
 644            } else {
 645                0
 646            } + if self.tracked_count > 0 {
 647                1 + self.tracked_count
 648            } else {
 649                0
 650            } + 1;
 651            if let Ok(ix) = self.entries[untracked_start..untracked_start + self.new_count]
 652                .binary_search_by(|entry| entry.status_entry().unwrap().repo_path.cmp(&path))
 653            {
 654                return Some(untracked_start + ix);
 655            }
 656        }
 657        None
 658    }
 659
 660    pub fn select_entry_by_path(
 661        &mut self,
 662        path: ProjectPath,
 663        _: &mut Window,
 664        cx: &mut Context<Self>,
 665    ) {
 666        let Some(git_repo) = self.active_repository.as_ref() else {
 667            return;
 668        };
 669        let Some(repo_path) = git_repo.read(cx).project_path_to_repo_path(&path, cx) else {
 670            return;
 671        };
 672        let Some(ix) = self.entry_by_path(&repo_path, cx) else {
 673            return;
 674        };
 675        self.selected_entry = Some(ix);
 676        cx.notify();
 677    }
 678
 679    fn serialize(&mut self, cx: &mut Context<Self>) {
 680        let width = self.width;
 681        self.pending_serialization = cx.background_spawn(
 682            async move {
 683                KEY_VALUE_STORE
 684                    .write_kvp(
 685                        GIT_PANEL_KEY.into(),
 686                        serde_json::to_string(&SerializedGitPanel { width })?,
 687                    )
 688                    .await?;
 689                anyhow::Ok(())
 690            }
 691            .log_err(),
 692        );
 693    }
 694
 695    pub(crate) fn set_modal_open(&mut self, open: bool, cx: &mut Context<Self>) {
 696        self.modal_open = open;
 697        cx.notify();
 698    }
 699
 700    fn dispatch_context(&self, window: &mut Window, cx: &Context<Self>) -> KeyContext {
 701        let mut dispatch_context = KeyContext::new_with_defaults();
 702        dispatch_context.add("GitPanel");
 703
 704        if window
 705            .focused(cx)
 706            .map_or(false, |focused| self.focus_handle == focused)
 707        {
 708            dispatch_context.add("menu");
 709            dispatch_context.add("ChangesList");
 710        }
 711
 712        if self.commit_editor.read(cx).is_focused(window) {
 713            dispatch_context.add("CommitEditor");
 714        }
 715
 716        dispatch_context
 717    }
 718
 719    fn close_panel(&mut self, _: &Close, _window: &mut Window, cx: &mut Context<Self>) {
 720        cx.emit(PanelEvent::Close);
 721    }
 722
 723    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 724        if !self.focus_handle.contains_focused(window, cx) {
 725            cx.emit(Event::Focus);
 726        }
 727    }
 728
 729    fn handle_modifiers_changed(
 730        &mut self,
 731        event: &ModifiersChangedEvent,
 732        _: &mut Window,
 733        cx: &mut Context<Self>,
 734    ) {
 735        self.current_modifiers = event.modifiers;
 736        cx.notify();
 737    }
 738
 739    fn scroll_to_selected_entry(&mut self, cx: &mut Context<Self>) {
 740        if let Some(selected_entry) = self.selected_entry {
 741            self.scroll_handle
 742                .scroll_to_item(selected_entry, ScrollStrategy::Center);
 743        }
 744
 745        cx.notify();
 746    }
 747
 748    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
 749        if !self.entries.is_empty() {
 750            self.selected_entry = Some(1);
 751            self.scroll_to_selected_entry(cx);
 752        }
 753    }
 754
 755    fn select_previous(
 756        &mut self,
 757        _: &SelectPrevious,
 758        _window: &mut Window,
 759        cx: &mut Context<Self>,
 760    ) {
 761        let item_count = self.entries.len();
 762        if item_count == 0 {
 763            return;
 764        }
 765
 766        if let Some(selected_entry) = self.selected_entry {
 767            let new_selected_entry = if selected_entry > 0 {
 768                selected_entry - 1
 769            } else {
 770                selected_entry
 771            };
 772
 773            if matches!(
 774                self.entries.get(new_selected_entry),
 775                Some(GitListEntry::Header(..))
 776            ) {
 777                if new_selected_entry > 0 {
 778                    self.selected_entry = Some(new_selected_entry - 1)
 779                }
 780            } else {
 781                self.selected_entry = Some(new_selected_entry);
 782            }
 783
 784            self.scroll_to_selected_entry(cx);
 785        }
 786
 787        cx.notify();
 788    }
 789
 790    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
 791        let item_count = self.entries.len();
 792        if item_count == 0 {
 793            return;
 794        }
 795
 796        if let Some(selected_entry) = self.selected_entry {
 797            let new_selected_entry = if selected_entry < item_count - 1 {
 798                selected_entry + 1
 799            } else {
 800                selected_entry
 801            };
 802            if matches!(
 803                self.entries.get(new_selected_entry),
 804                Some(GitListEntry::Header(..))
 805            ) {
 806                self.selected_entry = Some(new_selected_entry + 1);
 807            } else {
 808                self.selected_entry = Some(new_selected_entry);
 809            }
 810
 811            self.scroll_to_selected_entry(cx);
 812        }
 813
 814        cx.notify();
 815    }
 816
 817    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
 818        if self.entries.last().is_some() {
 819            self.selected_entry = Some(self.entries.len() - 1);
 820            self.scroll_to_selected_entry(cx);
 821        }
 822    }
 823
 824    fn focus_editor(&mut self, _: &FocusEditor, window: &mut Window, cx: &mut Context<Self>) {
 825        self.commit_editor.update(cx, |editor, cx| {
 826            window.focus(&editor.focus_handle(cx));
 827        });
 828        cx.notify();
 829    }
 830
 831    fn select_first_entry_if_none(&mut self, cx: &mut Context<Self>) {
 832        let have_entries = self
 833            .active_repository
 834            .as_ref()
 835            .map_or(false, |active_repository| {
 836                active_repository.read(cx).status_summary().count > 0
 837            });
 838        if have_entries && self.selected_entry.is_none() {
 839            self.selected_entry = Some(1);
 840            self.scroll_to_selected_entry(cx);
 841            cx.notify();
 842        }
 843    }
 844
 845    fn focus_changes_list(
 846        &mut self,
 847        _: &FocusChanges,
 848        window: &mut Window,
 849        cx: &mut Context<Self>,
 850    ) {
 851        self.select_first_entry_if_none(cx);
 852
 853        cx.focus_self(window);
 854        cx.notify();
 855    }
 856
 857    fn get_selected_entry(&self) -> Option<&GitListEntry> {
 858        self.selected_entry.and_then(|i| self.entries.get(i))
 859    }
 860
 861    fn open_diff(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
 862        maybe!({
 863            let entry = self.entries.get(self.selected_entry?)?.status_entry()?;
 864            let workspace = self.workspace.upgrade()?;
 865            let git_repo = self.active_repository.as_ref()?;
 866
 867            if let Some(project_diff) = workspace.read(cx).active_item_as::<ProjectDiff>(cx) {
 868                if let Some(project_path) = project_diff.read(cx).active_path(cx) {
 869                    if Some(&entry.repo_path)
 870                        == git_repo
 871                            .read(cx)
 872                            .project_path_to_repo_path(&project_path, cx)
 873                            .as_ref()
 874                    {
 875                        project_diff.focus_handle(cx).focus(window);
 876                        project_diff.update(cx, |project_diff, cx| project_diff.autoscroll(cx));
 877                        return None;
 878                    }
 879                }
 880            };
 881
 882            self.workspace
 883                .update(cx, |workspace, cx| {
 884                    ProjectDiff::deploy_at(workspace, Some(entry.clone()), window, cx);
 885                })
 886                .ok();
 887            self.focus_handle.focus(window);
 888
 889            Some(())
 890        });
 891    }
 892
 893    fn open_file(
 894        &mut self,
 895        _: &menu::SecondaryConfirm,
 896        window: &mut Window,
 897        cx: &mut Context<Self>,
 898    ) {
 899        maybe!({
 900            let entry = self.entries.get(self.selected_entry?)?.status_entry()?;
 901            let active_repo = self.active_repository.as_ref()?;
 902            let path = active_repo
 903                .read(cx)
 904                .repo_path_to_project_path(&entry.repo_path, cx)?;
 905            if entry.status.is_deleted() {
 906                return None;
 907            }
 908
 909            self.workspace
 910                .update(cx, |workspace, cx| {
 911                    workspace
 912                        .open_path_preview(path, None, false, false, true, window, cx)
 913                        .detach_and_prompt_err("Failed to open file", window, cx, |e, _, _| {
 914                            Some(format!("{e}"))
 915                        });
 916                })
 917                .ok()
 918        });
 919    }
 920
 921    fn revert_selected(
 922        &mut self,
 923        action: &git::RestoreFile,
 924        window: &mut Window,
 925        cx: &mut Context<Self>,
 926    ) {
 927        maybe!({
 928            let list_entry = self.entries.get(self.selected_entry?)?.clone();
 929            let entry = list_entry.status_entry()?.to_owned();
 930            let skip_prompt = action.skip_prompt || entry.status.is_created();
 931
 932            let prompt = if skip_prompt {
 933                Task::ready(Ok(0))
 934            } else {
 935                let prompt = window.prompt(
 936                    PromptLevel::Warning,
 937                    &format!(
 938                        "Are you sure you want to restore {}?",
 939                        entry
 940                            .repo_path
 941                            .file_name()
 942                            .unwrap_or(entry.repo_path.as_os_str())
 943                            .to_string_lossy()
 944                    ),
 945                    None,
 946                    &["Restore", "Cancel"],
 947                    cx,
 948                );
 949                cx.background_spawn(prompt)
 950            };
 951
 952            let this = cx.weak_entity();
 953            window
 954                .spawn(cx, async move |cx| {
 955                    if prompt.await? != 0 {
 956                        return anyhow::Ok(());
 957                    }
 958
 959                    this.update_in(cx, |this, window, cx| {
 960                        this.revert_entry(&entry, window, cx);
 961                    })?;
 962
 963                    Ok(())
 964                })
 965                .detach();
 966            Some(())
 967        });
 968    }
 969
 970    fn revert_entry(
 971        &mut self,
 972        entry: &GitStatusEntry,
 973        window: &mut Window,
 974        cx: &mut Context<Self>,
 975    ) {
 976        maybe!({
 977            let active_repo = self.active_repository.clone()?;
 978            let path = active_repo
 979                .read(cx)
 980                .repo_path_to_project_path(&entry.repo_path, cx)?;
 981            let workspace = self.workspace.clone();
 982
 983            if entry.status.staging().has_staged() {
 984                self.change_file_stage(false, vec![entry.clone()], cx);
 985            }
 986            let filename = path.path.file_name()?.to_string_lossy();
 987
 988            if !entry.status.is_created() {
 989                self.perform_checkout(vec![entry.clone()], cx);
 990            } else {
 991                let prompt = prompt(&format!("Trash {}?", filename), None, window, cx);
 992                cx.spawn_in(window, async move |_, cx| {
 993                    match prompt.await? {
 994                        TrashCancel::Trash => {}
 995                        TrashCancel::Cancel => return Ok(()),
 996                    }
 997                    let task = workspace.update(cx, |workspace, cx| {
 998                        workspace
 999                            .project()
1000                            .update(cx, |project, cx| project.delete_file(path, true, cx))
1001                    })?;
1002                    if let Some(task) = task {
1003                        task.await?;
1004                    }
1005                    Ok(())
1006                })
1007                .detach_and_prompt_err(
1008                    "Failed to trash file",
1009                    window,
1010                    cx,
1011                    |e, _, _| Some(format!("{e}")),
1012                );
1013            }
1014            Some(())
1015        });
1016    }
1017
1018    fn perform_checkout(&mut self, entries: Vec<GitStatusEntry>, cx: &mut Context<Self>) {
1019        let workspace = self.workspace.clone();
1020        let Some(active_repository) = self.active_repository.clone() else {
1021            return;
1022        };
1023
1024        let op_id = self.pending.iter().map(|p| p.op_id).max().unwrap_or(0) + 1;
1025        self.pending.push(PendingOperation {
1026            op_id,
1027            target_status: TargetStatus::Reverted,
1028            entries: entries.clone(),
1029            finished: false,
1030        });
1031        self.update_visible_entries(cx);
1032        let task = cx.spawn(async move |_, cx| {
1033            let tasks: Vec<_> = workspace.update(cx, |workspace, cx| {
1034                workspace.project().update(cx, |project, cx| {
1035                    entries
1036                        .iter()
1037                        .filter_map(|entry| {
1038                            let path = active_repository
1039                                .read(cx)
1040                                .repo_path_to_project_path(&entry.repo_path, cx)?;
1041                            Some(project.open_buffer(path, cx))
1042                        })
1043                        .collect()
1044                })
1045            })?;
1046
1047            let buffers = futures::future::join_all(tasks).await;
1048
1049            active_repository
1050                .update(cx, |repo, cx| {
1051                    repo.checkout_files(
1052                        "HEAD",
1053                        entries
1054                            .iter()
1055                            .map(|entries| entries.repo_path.clone())
1056                            .collect(),
1057                        cx,
1058                    )
1059                })?
1060                .await??;
1061
1062            let tasks: Vec<_> = cx.update(|cx| {
1063                buffers
1064                    .iter()
1065                    .filter_map(|buffer| {
1066                        buffer.as_ref().ok()?.update(cx, |buffer, cx| {
1067                            buffer.is_dirty().then(|| buffer.reload(cx))
1068                        })
1069                    })
1070                    .collect()
1071            })?;
1072
1073            futures::future::join_all(tasks).await;
1074
1075            Ok(())
1076        });
1077
1078        cx.spawn(async move |this, cx| {
1079            let result = task.await;
1080
1081            this.update(cx, |this, cx| {
1082                for pending in this.pending.iter_mut() {
1083                    if pending.op_id == op_id {
1084                        pending.finished = true;
1085                        if result.is_err() {
1086                            pending.target_status = TargetStatus::Unchanged;
1087                            this.update_visible_entries(cx);
1088                        }
1089                        break;
1090                    }
1091                }
1092                result
1093                    .map_err(|e| {
1094                        this.show_error_toast("checkout", e, cx);
1095                    })
1096                    .ok();
1097            })
1098            .ok();
1099        })
1100        .detach();
1101    }
1102
1103    fn restore_tracked_files(
1104        &mut self,
1105        _: &RestoreTrackedFiles,
1106        window: &mut Window,
1107        cx: &mut Context<Self>,
1108    ) {
1109        let entries = self
1110            .entries
1111            .iter()
1112            .filter_map(|entry| entry.status_entry().cloned())
1113            .filter(|status_entry| !status_entry.status.is_created())
1114            .collect::<Vec<_>>();
1115
1116        match entries.len() {
1117            0 => return,
1118            1 => return self.revert_entry(&entries[0], window, cx),
1119            _ => {}
1120        }
1121        let mut details = entries
1122            .iter()
1123            .filter_map(|entry| entry.repo_path.0.file_name())
1124            .map(|filename| filename.to_string_lossy())
1125            .take(5)
1126            .join("\n");
1127        if entries.len() > 5 {
1128            details.push_str(&format!("\nand {} more…", entries.len() - 5))
1129        }
1130
1131        #[derive(strum::EnumIter, strum::VariantNames)]
1132        #[strum(serialize_all = "title_case")]
1133        enum RestoreCancel {
1134            RestoreTrackedFiles,
1135            Cancel,
1136        }
1137        let prompt = prompt(
1138            "Discard changes to these files?",
1139            Some(&details),
1140            window,
1141            cx,
1142        );
1143        cx.spawn(async move |this, cx| match prompt.await {
1144            Ok(RestoreCancel::RestoreTrackedFiles) => {
1145                this.update(cx, |this, cx| {
1146                    this.perform_checkout(entries, cx);
1147                })
1148                .ok();
1149            }
1150            _ => {
1151                return;
1152            }
1153        })
1154        .detach();
1155    }
1156
1157    fn clean_all(&mut self, _: &TrashUntrackedFiles, window: &mut Window, cx: &mut Context<Self>) {
1158        let workspace = self.workspace.clone();
1159        let Some(active_repo) = self.active_repository.clone() else {
1160            return;
1161        };
1162        let to_delete = self
1163            .entries
1164            .iter()
1165            .filter_map(|entry| entry.status_entry())
1166            .filter(|status_entry| status_entry.status.is_created())
1167            .cloned()
1168            .collect::<Vec<_>>();
1169
1170        match to_delete.len() {
1171            0 => return,
1172            1 => return self.revert_entry(&to_delete[0], window, cx),
1173            _ => {}
1174        };
1175
1176        let mut details = to_delete
1177            .iter()
1178            .map(|entry| {
1179                entry
1180                    .repo_path
1181                    .0
1182                    .file_name()
1183                    .map(|f| f.to_string_lossy())
1184                    .unwrap_or_default()
1185            })
1186            .take(5)
1187            .join("\n");
1188
1189        if to_delete.len() > 5 {
1190            details.push_str(&format!("\nand {} more…", to_delete.len() - 5))
1191        }
1192
1193        let prompt = prompt("Trash these files?", Some(&details), window, cx);
1194        cx.spawn_in(window, async move |this, cx| {
1195            match prompt.await? {
1196                TrashCancel::Trash => {}
1197                TrashCancel::Cancel => return Ok(()),
1198            }
1199            let tasks = workspace.update(cx, |workspace, cx| {
1200                to_delete
1201                    .iter()
1202                    .filter_map(|entry| {
1203                        workspace.project().update(cx, |project, cx| {
1204                            let project_path = active_repo
1205                                .read(cx)
1206                                .repo_path_to_project_path(&entry.repo_path, cx)?;
1207                            project.delete_file(project_path, true, cx)
1208                        })
1209                    })
1210                    .collect::<Vec<_>>()
1211            })?;
1212            let to_unstage = to_delete
1213                .into_iter()
1214                .filter(|entry| !entry.status.staging().is_fully_unstaged())
1215                .collect();
1216            this.update(cx, |this, cx| this.change_file_stage(false, to_unstage, cx))?;
1217            for task in tasks {
1218                task.await?;
1219            }
1220            Ok(())
1221        })
1222        .detach_and_prompt_err("Failed to trash files", window, cx, |e, _, _| {
1223            Some(format!("{e}"))
1224        });
1225    }
1226
1227    pub fn stage_all(&mut self, _: &StageAll, _window: &mut Window, cx: &mut Context<Self>) {
1228        let entries = self
1229            .entries
1230            .iter()
1231            .filter_map(|entry| entry.status_entry())
1232            .filter(|status_entry| status_entry.staging.has_unstaged())
1233            .cloned()
1234            .collect::<Vec<_>>();
1235        self.change_file_stage(true, entries, cx);
1236    }
1237
1238    pub fn unstage_all(&mut self, _: &UnstageAll, _window: &mut Window, cx: &mut Context<Self>) {
1239        let entries = self
1240            .entries
1241            .iter()
1242            .filter_map(|entry| entry.status_entry())
1243            .filter(|status_entry| status_entry.staging.has_staged())
1244            .cloned()
1245            .collect::<Vec<_>>();
1246        self.change_file_stage(false, entries, cx);
1247    }
1248
1249    fn toggle_staged_for_entry(
1250        &mut self,
1251        entry: &GitListEntry,
1252        _window: &mut Window,
1253        cx: &mut Context<Self>,
1254    ) {
1255        let Some(active_repository) = self.active_repository.as_ref() else {
1256            return;
1257        };
1258        let (stage, repo_paths) = match entry {
1259            GitListEntry::GitStatusEntry(status_entry) => {
1260                if status_entry.status.staging().is_fully_staged() {
1261                    (false, vec![status_entry.clone()])
1262                } else {
1263                    (true, vec![status_entry.clone()])
1264                }
1265            }
1266            GitListEntry::Header(section) => {
1267                let goal_staged_state = !self.header_state(section.header).selected();
1268                let repository = active_repository.read(cx);
1269                let entries = self
1270                    .entries
1271                    .iter()
1272                    .filter_map(|entry| entry.status_entry())
1273                    .filter(|status_entry| {
1274                        section.contains(&status_entry, repository)
1275                            && status_entry.staging.as_bool() != Some(goal_staged_state)
1276                    })
1277                    .map(|status_entry| status_entry.clone())
1278                    .collect::<Vec<_>>();
1279
1280                (goal_staged_state, entries)
1281            }
1282        };
1283        self.change_file_stage(stage, repo_paths, cx);
1284    }
1285
1286    fn change_file_stage(
1287        &mut self,
1288        stage: bool,
1289        entries: Vec<GitStatusEntry>,
1290        cx: &mut Context<Self>,
1291    ) {
1292        let Some(active_repository) = self.active_repository.clone() else {
1293            return;
1294        };
1295        let op_id = self.pending.iter().map(|p| p.op_id).max().unwrap_or(0) + 1;
1296        self.pending.push(PendingOperation {
1297            op_id,
1298            target_status: if stage {
1299                TargetStatus::Staged
1300            } else {
1301                TargetStatus::Unstaged
1302            },
1303            entries: entries.clone(),
1304            finished: false,
1305        });
1306        let repository = active_repository.read(cx);
1307        self.update_counts(repository);
1308        cx.notify();
1309
1310        cx.spawn({
1311            async move |this, cx| {
1312                let result = cx
1313                    .update(|cx| {
1314                        if stage {
1315                            active_repository.update(cx, |repo, cx| {
1316                                let repo_paths = entries
1317                                    .iter()
1318                                    .map(|entry| entry.repo_path.clone())
1319                                    .collect();
1320                                repo.stage_entries(repo_paths, cx)
1321                            })
1322                        } else {
1323                            active_repository.update(cx, |repo, cx| {
1324                                let repo_paths = entries
1325                                    .iter()
1326                                    .map(|entry| entry.repo_path.clone())
1327                                    .collect();
1328                                repo.unstage_entries(repo_paths, cx)
1329                            })
1330                        }
1331                    })?
1332                    .await;
1333
1334                this.update(cx, |this, cx| {
1335                    for pending in this.pending.iter_mut() {
1336                        if pending.op_id == op_id {
1337                            pending.finished = true
1338                        }
1339                    }
1340                    result
1341                        .map_err(|e| {
1342                            this.show_error_toast(if stage { "add" } else { "reset" }, e, cx);
1343                        })
1344                        .ok();
1345                    cx.notify();
1346                })
1347            }
1348        })
1349        .detach();
1350    }
1351
1352    pub fn total_staged_count(&self) -> usize {
1353        self.tracked_staged_count + self.new_staged_count + self.conflicted_staged_count
1354    }
1355
1356    pub fn commit_message_buffer(&self, cx: &App) -> Entity<Buffer> {
1357        self.commit_editor
1358            .read(cx)
1359            .buffer()
1360            .read(cx)
1361            .as_singleton()
1362            .unwrap()
1363            .clone()
1364    }
1365
1366    fn toggle_staged_for_selected(
1367        &mut self,
1368        _: &git::ToggleStaged,
1369        window: &mut Window,
1370        cx: &mut Context<Self>,
1371    ) {
1372        if let Some(selected_entry) = self.get_selected_entry().cloned() {
1373            self.toggle_staged_for_entry(&selected_entry, window, cx);
1374        }
1375    }
1376
1377    fn stage_selected(&mut self, _: &git::StageFile, _window: &mut Window, cx: &mut Context<Self>) {
1378        let Some(selected_entry) = self.get_selected_entry() else {
1379            return;
1380        };
1381        let Some(status_entry) = selected_entry.status_entry() else {
1382            return;
1383        };
1384        if status_entry.staging != StageStatus::Staged {
1385            self.change_file_stage(true, vec![status_entry.clone()], cx);
1386        }
1387    }
1388
1389    fn unstage_selected(
1390        &mut self,
1391        _: &git::UnstageFile,
1392        _window: &mut Window,
1393        cx: &mut Context<Self>,
1394    ) {
1395        let Some(selected_entry) = self.get_selected_entry() else {
1396            return;
1397        };
1398        let Some(status_entry) = selected_entry.status_entry() else {
1399            return;
1400        };
1401        if status_entry.staging != StageStatus::Unstaged {
1402            self.change_file_stage(false, vec![status_entry.clone()], cx);
1403        }
1404    }
1405
1406    fn commit(&mut self, _: &git::Commit, window: &mut Window, cx: &mut Context<Self>) {
1407        if self.amend_pending {
1408            return;
1409        }
1410        if self
1411            .commit_editor
1412            .focus_handle(cx)
1413            .contains_focused(window, cx)
1414        {
1415            telemetry::event!("Git Committed", source = "Git Panel");
1416            self.commit_changes(CommitOptions { amend: false }, window, cx)
1417        } else {
1418            cx.propagate();
1419        }
1420    }
1421
1422    fn amend(&mut self, _: &git::Amend, window: &mut Window, cx: &mut Context<Self>) {
1423        if self
1424            .commit_editor
1425            .focus_handle(cx)
1426            .contains_focused(window, cx)
1427        {
1428            if self
1429                .active_repository
1430                .as_ref()
1431                .and_then(|repo| repo.read(cx).head_commit.as_ref())
1432                .is_some()
1433            {
1434                if !self.amend_pending {
1435                    self.set_amend_pending(true, cx);
1436                    self.load_last_commit_message_if_empty(cx);
1437                } else {
1438                    telemetry::event!("Git Amended", source = "Git Panel");
1439                    self.set_amend_pending(false, cx);
1440                    self.commit_changes(CommitOptions { amend: true }, window, cx);
1441                }
1442            }
1443        } else {
1444            cx.propagate();
1445        }
1446    }
1447
1448    pub fn load_last_commit_message_if_empty(&mut self, cx: &mut Context<Self>) {
1449        if !self.commit_editor.read(cx).is_empty(cx) {
1450            return;
1451        }
1452        let Some(active_repository) = self.active_repository.as_ref() else {
1453            return;
1454        };
1455        let Some(recent_sha) = active_repository
1456            .read(cx)
1457            .head_commit
1458            .as_ref()
1459            .map(|commit| commit.sha.to_string())
1460        else {
1461            return;
1462        };
1463        let detail_task = self.load_commit_details(recent_sha, cx);
1464        cx.spawn(async move |this, cx| {
1465            if let Ok(message) = detail_task.await.map(|detail| detail.message) {
1466                this.update(cx, |this, cx| {
1467                    this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1468                        let start = buffer.anchor_before(0);
1469                        let end = buffer.anchor_after(buffer.len());
1470                        buffer.edit([(start..end, message)], None, cx);
1471                    });
1472                })
1473                .log_err();
1474            }
1475        })
1476        .detach();
1477    }
1478
1479    fn cancel(&mut self, _: &git::Cancel, _: &mut Window, cx: &mut Context<Self>) {
1480        if self.amend_pending {
1481            self.set_amend_pending(false, cx);
1482        }
1483    }
1484
1485    fn custom_or_suggested_commit_message(&self, cx: &mut Context<Self>) -> Option<String> {
1486        let message = self.commit_editor.read(cx).text(cx);
1487
1488        if !message.trim().is_empty() {
1489            return Some(message);
1490        }
1491
1492        self.suggest_commit_message(cx)
1493            .filter(|message| !message.trim().is_empty())
1494    }
1495
1496    pub(crate) fn commit_changes(
1497        &mut self,
1498        options: CommitOptions,
1499        window: &mut Window,
1500        cx: &mut Context<Self>,
1501    ) {
1502        let Some(active_repository) = self.active_repository.clone() else {
1503            return;
1504        };
1505        let error_spawn = |message, window: &mut Window, cx: &mut App| {
1506            let prompt = window.prompt(PromptLevel::Warning, message, None, &["Ok"], cx);
1507            cx.spawn(async move |_| {
1508                prompt.await.ok();
1509            })
1510            .detach();
1511        };
1512
1513        if self.has_unstaged_conflicts() {
1514            error_spawn(
1515                "There are still conflicts. You must stage these before committing",
1516                window,
1517                cx,
1518            );
1519            return;
1520        }
1521
1522        let commit_message = self.custom_or_suggested_commit_message(cx);
1523
1524        let Some(mut message) = commit_message else {
1525            self.commit_editor.read(cx).focus_handle(cx).focus(window);
1526            return;
1527        };
1528
1529        if self.add_coauthors {
1530            self.fill_co_authors(&mut message, cx);
1531        }
1532
1533        let task = if self.has_staged_changes() {
1534            // Repository serializes all git operations, so we can just send a commit immediately
1535            let commit_task = active_repository.update(cx, |repo, cx| {
1536                repo.commit(message.into(), None, options, cx)
1537            });
1538            cx.background_spawn(async move { commit_task.await? })
1539        } else {
1540            let changed_files = self
1541                .entries
1542                .iter()
1543                .filter_map(|entry| entry.status_entry())
1544                .filter(|status_entry| !status_entry.status.is_created())
1545                .map(|status_entry| status_entry.repo_path.clone())
1546                .collect::<Vec<_>>();
1547
1548            if changed_files.is_empty() {
1549                error_spawn("No changes to commit", window, cx);
1550                return;
1551            }
1552
1553            let stage_task =
1554                active_repository.update(cx, |repo, cx| repo.stage_entries(changed_files, cx));
1555            cx.spawn(async move |_, cx| {
1556                stage_task.await?;
1557                let commit_task = active_repository.update(cx, |repo, cx| {
1558                    repo.commit(message.into(), None, options, cx)
1559                })?;
1560                commit_task.await?
1561            })
1562        };
1563        let task = cx.spawn_in(window, async move |this, cx| {
1564            let result = task.await;
1565            this.update_in(cx, |this, window, cx| {
1566                this.pending_commit.take();
1567                match result {
1568                    Ok(()) => {
1569                        this.commit_editor
1570                            .update(cx, |editor, cx| editor.clear(window, cx));
1571                    }
1572                    Err(e) => this.show_error_toast("commit", e, cx),
1573                }
1574            })
1575            .ok();
1576        });
1577
1578        self.pending_commit = Some(task);
1579    }
1580
1581    fn uncommit(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1582        let Some(repo) = self.active_repository.clone() else {
1583            return;
1584        };
1585        telemetry::event!("Git Uncommitted");
1586
1587        let confirmation = self.check_for_pushed_commits(window, cx);
1588        let prior_head = self.load_commit_details("HEAD".to_string(), cx);
1589
1590        let task = cx.spawn_in(window, async move |this, cx| {
1591            let result = maybe!(async {
1592                if let Ok(true) = confirmation.await {
1593                    let prior_head = prior_head.await?;
1594
1595                    repo.update(cx, |repo, cx| {
1596                        repo.reset("HEAD^".to_string(), ResetMode::Soft, cx)
1597                    })?
1598                    .await??;
1599
1600                    Ok(Some(prior_head))
1601                } else {
1602                    Ok(None)
1603                }
1604            })
1605            .await;
1606
1607            this.update_in(cx, |this, window, cx| {
1608                this.pending_commit.take();
1609                match result {
1610                    Ok(None) => {}
1611                    Ok(Some(prior_commit)) => {
1612                        this.commit_editor.update(cx, |editor, cx| {
1613                            editor.set_text(prior_commit.message, window, cx)
1614                        });
1615                    }
1616                    Err(e) => this.show_error_toast("reset", e, cx),
1617                }
1618            })
1619            .ok();
1620        });
1621
1622        self.pending_commit = Some(task);
1623    }
1624
1625    fn check_for_pushed_commits(
1626        &mut self,
1627        window: &mut Window,
1628        cx: &mut Context<Self>,
1629    ) -> impl Future<Output = Result<bool, anyhow::Error>> + use<> {
1630        let repo = self.active_repository.clone();
1631        let mut cx = window.to_async(cx);
1632
1633        async move {
1634            let Some(repo) = repo else {
1635                return Err(anyhow::anyhow!("No active repository"));
1636            };
1637
1638            let pushed_to: Vec<SharedString> = repo
1639                .update(&mut cx, |repo, _| repo.check_for_pushed_commits())?
1640                .await??;
1641
1642            if pushed_to.is_empty() {
1643                Ok(true)
1644            } else {
1645                #[derive(strum::EnumIter, strum::VariantNames)]
1646                #[strum(serialize_all = "title_case")]
1647                enum CancelUncommit {
1648                    Uncommit,
1649                    Cancel,
1650                }
1651                let detail = format!(
1652                    "This commit was already pushed to {}.",
1653                    pushed_to.into_iter().join(", ")
1654                );
1655                let result = cx
1656                    .update(|window, cx| prompt("Are you sure?", Some(&detail), window, cx))?
1657                    .await?;
1658
1659                match result {
1660                    CancelUncommit::Cancel => Ok(false),
1661                    CancelUncommit::Uncommit => Ok(true),
1662                }
1663            }
1664        }
1665    }
1666
1667    /// Suggests a commit message based on the changed files and their statuses
1668    pub fn suggest_commit_message(&self, cx: &App) -> Option<String> {
1669        if let Some(merge_message) = self
1670            .active_repository
1671            .as_ref()
1672            .and_then(|repo| repo.read(cx).merge.message.as_ref())
1673        {
1674            return Some(merge_message.to_string());
1675        }
1676
1677        let git_status_entry = if let Some(staged_entry) = &self.single_staged_entry {
1678            Some(staged_entry)
1679        } else if let Some(single_tracked_entry) = &self.single_tracked_entry {
1680            Some(single_tracked_entry)
1681        } else {
1682            None
1683        }?;
1684
1685        let action_text = if git_status_entry.status.is_deleted() {
1686            Some("Delete")
1687        } else if git_status_entry.status.is_created() {
1688            Some("Create")
1689        } else if git_status_entry.status.is_modified() {
1690            Some("Update")
1691        } else {
1692            None
1693        }?;
1694
1695        let file_name = git_status_entry
1696            .repo_path
1697            .file_name()
1698            .unwrap_or_default()
1699            .to_string_lossy();
1700
1701        Some(format!("{} {}", action_text, file_name))
1702    }
1703
1704    fn generate_commit_message_action(
1705        &mut self,
1706        _: &git::GenerateCommitMessage,
1707        _window: &mut Window,
1708        cx: &mut Context<Self>,
1709    ) {
1710        self.generate_commit_message(cx);
1711    }
1712
1713    /// Generates a commit message using an LLM.
1714    pub fn generate_commit_message(&mut self, cx: &mut Context<Self>) {
1715        if !self.can_commit() {
1716            return;
1717        }
1718
1719        let model = match current_language_model(cx) {
1720            Some(value) => value,
1721            None => return,
1722        };
1723
1724        let Some(repo) = self.active_repository.as_ref() else {
1725            return;
1726        };
1727
1728        telemetry::event!("Git Commit Message Generated");
1729
1730        let diff = repo.update(cx, |repo, cx| {
1731            if self.has_staged_changes() {
1732                repo.diff(DiffType::HeadToIndex, cx)
1733            } else {
1734                repo.diff(DiffType::HeadToWorktree, cx)
1735            }
1736        });
1737
1738        let temperature = AssistantSettings::temperature_for_model(&model, cx);
1739
1740        self.generate_commit_message_task = Some(cx.spawn(async move |this, cx| {
1741             async move {
1742                let _defer = cx.on_drop(&this, |this, _cx| {
1743                    this.generate_commit_message_task.take();
1744                });
1745
1746                let mut diff_text = diff.await??;
1747
1748                const ONE_MB: usize = 1_000_000;
1749                if diff_text.len() > ONE_MB {
1750                    diff_text = diff_text.chars().take(ONE_MB).collect()
1751                }
1752
1753                let subject = this.update(cx, |this, cx| {
1754                    this.commit_editor.read(cx).text(cx).lines().next().map(ToOwned::to_owned).unwrap_or_default()
1755                })?;
1756
1757                let text_empty = subject.trim().is_empty();
1758
1759                let content = if text_empty {
1760                    format!("{PROMPT}\nHere are the changes in this commit:\n{diff_text}")
1761                } else {
1762                    format!("{PROMPT}\nHere is the user's subject line:\n{subject}\nHere are the changes in this commit:\n{diff_text}\n")
1763                };
1764
1765                const PROMPT: &str = include_str!("commit_message_prompt.txt");
1766
1767                let request = LanguageModelRequest {
1768                    thread_id: None,
1769                    prompt_id: None,
1770                    mode: None,
1771                    messages: vec![LanguageModelRequestMessage {
1772                        role: Role::User,
1773                        content: vec![content.into()],
1774                        cache: false,
1775                    }],
1776                    tools: Vec::new(),
1777                    stop: Vec::new(),
1778                    temperature,
1779                };
1780
1781                let stream = model.stream_completion_text(request, &cx);
1782                let mut messages = stream.await?;
1783
1784                if !text_empty {
1785                    this.update(cx, |this, cx| {
1786                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1787                            let insert_position = buffer.anchor_before(buffer.len());
1788                            buffer.edit([(insert_position..insert_position, "\n")], None, cx)
1789                        });
1790                    })?;
1791                }
1792
1793                while let Some(message) = messages.stream.next().await {
1794                    let text = message?;
1795
1796                    this.update(cx, |this, cx| {
1797                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1798                            let insert_position = buffer.anchor_before(buffer.len());
1799                            buffer.edit([(insert_position..insert_position, text)], None, cx);
1800                        });
1801                    })?;
1802                }
1803
1804                anyhow::Ok(())
1805            }
1806            .log_err().await
1807        }));
1808    }
1809
1810    pub(crate) fn fetch(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1811        if !self.can_push_and_pull(cx) {
1812            return;
1813        }
1814
1815        let Some(repo) = self.active_repository.clone() else {
1816            return;
1817        };
1818        telemetry::event!("Git Fetched");
1819        let askpass = self.askpass_delegate("git fetch", window, cx);
1820        let this = cx.weak_entity();
1821        window
1822            .spawn(cx, async move |cx| {
1823                let fetch = repo.update(cx, |repo, cx| repo.fetch(askpass, cx))?;
1824
1825                let remote_message = fetch.await?;
1826                this.update(cx, |this, cx| {
1827                    let action = RemoteAction::Fetch;
1828                    match remote_message {
1829                        Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1830                        Err(e) => {
1831                            log::error!("Error while fetching {:?}", e);
1832                            this.show_error_toast(action.name(), e, cx)
1833                        }
1834                    }
1835
1836                    anyhow::Ok(())
1837                })
1838                .ok();
1839                anyhow::Ok(())
1840            })
1841            .detach_and_log_err(cx);
1842    }
1843
1844    pub(crate) fn git_init(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1845        let worktrees = self
1846            .project
1847            .read(cx)
1848            .visible_worktrees(cx)
1849            .collect::<Vec<_>>();
1850
1851        let worktree = if worktrees.len() == 1 {
1852            Task::ready(Some(worktrees.first().unwrap().clone()))
1853        } else if worktrees.len() == 0 {
1854            let result = window.prompt(
1855                PromptLevel::Warning,
1856                "Unable to initialize a git repository",
1857                Some("Open a directory first"),
1858                &["Ok"],
1859                cx,
1860            );
1861            cx.background_executor()
1862                .spawn(async move {
1863                    result.await.ok();
1864                })
1865                .detach();
1866            return;
1867        } else {
1868            let worktree_directories = worktrees
1869                .iter()
1870                .map(|worktree| worktree.read(cx).abs_path())
1871                .map(|worktree_abs_path| {
1872                    if let Ok(path) = worktree_abs_path.strip_prefix(util::paths::home_dir()) {
1873                        Path::new("~")
1874                            .join(path)
1875                            .to_string_lossy()
1876                            .to_string()
1877                            .into()
1878                    } else {
1879                        worktree_abs_path.to_string_lossy().to_string().into()
1880                    }
1881                })
1882                .collect_vec();
1883            let prompt = picker_prompt::prompt(
1884                "Where would you like to initialize this git repository?",
1885                worktree_directories,
1886                self.workspace.clone(),
1887                window,
1888                cx,
1889            );
1890
1891            cx.spawn(async move |_, _| prompt.await.map(|ix| worktrees[ix].clone()))
1892        };
1893
1894        cx.spawn_in(window, async move |this, cx| {
1895            let worktree = match worktree.await {
1896                Some(worktree) => worktree,
1897                None => {
1898                    return;
1899                }
1900            };
1901
1902            let Ok(result) = this.update(cx, |this, cx| {
1903                let fallback_branch_name = GitPanelSettings::get_global(cx)
1904                    .fallback_branch_name
1905                    .clone();
1906                this.project.read(cx).git_init(
1907                    worktree.read(cx).abs_path(),
1908                    fallback_branch_name,
1909                    cx,
1910                )
1911            }) else {
1912                return;
1913            };
1914
1915            let result = result.await;
1916
1917            this.update_in(cx, |this, _, cx| match result {
1918                Ok(()) => {}
1919                Err(e) => this.show_error_toast("init", e, cx),
1920            })
1921            .ok();
1922        })
1923        .detach();
1924    }
1925
1926    pub(crate) fn pull(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1927        if !self.can_push_and_pull(cx) {
1928            return;
1929        }
1930        let Some(repo) = self.active_repository.clone() else {
1931            return;
1932        };
1933        let Some(branch) = repo.read(cx).branch.as_ref() else {
1934            return;
1935        };
1936        telemetry::event!("Git Pulled");
1937        let branch = branch.clone();
1938        let remote = self.get_current_remote(window, cx);
1939        cx.spawn_in(window, async move |this, cx| {
1940            let remote = match remote.await {
1941                Ok(Some(remote)) => remote,
1942                Ok(None) => {
1943                    return Ok(());
1944                }
1945                Err(e) => {
1946                    log::error!("Failed to get current remote: {}", e);
1947                    this.update(cx, |this, cx| this.show_error_toast("pull", e, cx))
1948                        .ok();
1949                    return Ok(());
1950                }
1951            };
1952
1953            let askpass = this.update_in(cx, |this, window, cx| {
1954                this.askpass_delegate(format!("git pull {}", remote.name), window, cx)
1955            })?;
1956
1957            let pull = repo.update(cx, |repo, cx| {
1958                repo.pull(branch.name.clone(), remote.name.clone(), askpass, cx)
1959            })?;
1960
1961            let remote_message = pull.await?;
1962
1963            let action = RemoteAction::Pull(remote);
1964            this.update(cx, |this, cx| match remote_message {
1965                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1966                Err(e) => {
1967                    log::error!("Error while pulling {:?}", e);
1968                    this.show_error_toast(action.name(), e, cx)
1969                }
1970            })
1971            .ok();
1972
1973            anyhow::Ok(())
1974        })
1975        .detach_and_log_err(cx);
1976    }
1977
1978    pub(crate) fn push(&mut self, force_push: bool, window: &mut Window, cx: &mut Context<Self>) {
1979        if !self.can_push_and_pull(cx) {
1980            return;
1981        }
1982        let Some(repo) = self.active_repository.clone() else {
1983            return;
1984        };
1985        let Some(branch) = repo.read(cx).branch.as_ref() else {
1986            return;
1987        };
1988        telemetry::event!("Git Pushed");
1989        let branch = branch.clone();
1990
1991        let options = if force_push {
1992            Some(PushOptions::Force)
1993        } else {
1994            match branch.upstream {
1995                Some(Upstream {
1996                    tracking: UpstreamTracking::Gone,
1997                    ..
1998                })
1999                | None => Some(PushOptions::SetUpstream),
2000                _ => None,
2001            }
2002        };
2003        let remote = self.get_current_remote(window, cx);
2004
2005        cx.spawn_in(window, async move |this, cx| {
2006            let remote = match remote.await {
2007                Ok(Some(remote)) => remote,
2008                Ok(None) => {
2009                    return Ok(());
2010                }
2011                Err(e) => {
2012                    log::error!("Failed to get current remote: {}", e);
2013                    this.update(cx, |this, cx| this.show_error_toast("push", e, cx))
2014                        .ok();
2015                    return Ok(());
2016                }
2017            };
2018
2019            let askpass_delegate = this.update_in(cx, |this, window, cx| {
2020                this.askpass_delegate(format!("git push {}", remote.name), window, cx)
2021            })?;
2022
2023            let push = repo.update(cx, |repo, cx| {
2024                repo.push(
2025                    branch.name.clone(),
2026                    remote.name.clone(),
2027                    options,
2028                    askpass_delegate,
2029                    cx,
2030                )
2031            })?;
2032
2033            let remote_output = push.await?;
2034
2035            let action = RemoteAction::Push(branch.name, remote);
2036            this.update(cx, |this, cx| match remote_output {
2037                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
2038                Err(e) => {
2039                    log::error!("Error while pushing {:?}", e);
2040                    this.show_error_toast(action.name(), e, cx)
2041                }
2042            })?;
2043
2044            anyhow::Ok(())
2045        })
2046        .detach_and_log_err(cx);
2047    }
2048
2049    fn askpass_delegate(
2050        &self,
2051        operation: impl Into<SharedString>,
2052        window: &mut Window,
2053        cx: &mut Context<Self>,
2054    ) -> AskPassDelegate {
2055        let this = cx.weak_entity();
2056        let operation = operation.into();
2057        let window = window.window_handle();
2058        AskPassDelegate::new(&mut cx.to_async(), move |prompt, tx, cx| {
2059            window
2060                .update(cx, |_, window, cx| {
2061                    this.update(cx, |this, cx| {
2062                        this.workspace.update(cx, |workspace, cx| {
2063                            workspace.toggle_modal(window, cx, |window, cx| {
2064                                AskPassModal::new(operation.clone(), prompt.into(), tx, window, cx)
2065                            });
2066                        })
2067                    })
2068                })
2069                .ok();
2070        })
2071    }
2072
2073    fn can_push_and_pull(&self, cx: &App) -> bool {
2074        !self.project.read(cx).is_via_collab()
2075    }
2076
2077    fn get_current_remote(
2078        &mut self,
2079        window: &mut Window,
2080        cx: &mut Context<Self>,
2081    ) -> impl Future<Output = anyhow::Result<Option<Remote>>> + use<> {
2082        let repo = self.active_repository.clone();
2083        let workspace = self.workspace.clone();
2084        let mut cx = window.to_async(cx);
2085
2086        async move {
2087            let Some(repo) = repo else {
2088                return Err(anyhow::anyhow!("No active repository"));
2089            };
2090
2091            let mut current_remotes: Vec<Remote> = repo
2092                .update(&mut cx, |repo, _| {
2093                    let Some(current_branch) = repo.branch.as_ref() else {
2094                        return Err(anyhow::anyhow!("No active branch"));
2095                    };
2096
2097                    Ok(repo.get_remotes(Some(current_branch.name.to_string())))
2098                })??
2099                .await??;
2100
2101            if current_remotes.len() == 0 {
2102                return Err(anyhow::anyhow!("No active remote"));
2103            } else if current_remotes.len() == 1 {
2104                return Ok(Some(current_remotes.pop().unwrap()));
2105            } else {
2106                let current_remotes: Vec<_> = current_remotes
2107                    .into_iter()
2108                    .map(|remotes| remotes.name)
2109                    .collect();
2110                let selection = cx
2111                    .update(|window, cx| {
2112                        picker_prompt::prompt(
2113                            "Pick which remote to push to",
2114                            current_remotes.clone(),
2115                            workspace,
2116                            window,
2117                            cx,
2118                        )
2119                    })?
2120                    .await;
2121
2122                Ok(selection.map(|selection| Remote {
2123                    name: current_remotes[selection].clone(),
2124                }))
2125            }
2126        }
2127    }
2128
2129    fn potential_co_authors(&self, cx: &App) -> Vec<(String, String)> {
2130        let mut new_co_authors = Vec::new();
2131        let project = self.project.read(cx);
2132
2133        let Some(room) = self
2134            .workspace
2135            .upgrade()
2136            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned())
2137        else {
2138            return Vec::default();
2139        };
2140
2141        let room = room.read(cx);
2142
2143        for (peer_id, collaborator) in project.collaborators() {
2144            if collaborator.is_host {
2145                continue;
2146            }
2147
2148            let Some(participant) = room.remote_participant_for_peer_id(*peer_id) else {
2149                continue;
2150            };
2151            if participant.can_write() && participant.user.email.is_some() {
2152                let email = participant.user.email.clone().unwrap();
2153
2154                new_co_authors.push((
2155                    participant
2156                        .user
2157                        .name
2158                        .clone()
2159                        .unwrap_or_else(|| participant.user.github_login.clone()),
2160                    email,
2161                ))
2162            }
2163        }
2164        if !project.is_local() && !project.is_read_only(cx) {
2165            if let Some(user) = room.local_participant_user(cx) {
2166                if let Some(email) = user.email.clone() {
2167                    new_co_authors.push((
2168                        user.name
2169                            .clone()
2170                            .unwrap_or_else(|| user.github_login.clone()),
2171                        email.clone(),
2172                    ))
2173                }
2174            }
2175        }
2176        new_co_authors
2177    }
2178
2179    fn toggle_fill_co_authors(
2180        &mut self,
2181        _: &ToggleFillCoAuthors,
2182        _: &mut Window,
2183        cx: &mut Context<Self>,
2184    ) {
2185        self.add_coauthors = !self.add_coauthors;
2186        cx.notify();
2187    }
2188
2189    fn fill_co_authors(&mut self, message: &mut String, cx: &mut Context<Self>) {
2190        const CO_AUTHOR_PREFIX: &str = "Co-authored-by: ";
2191
2192        let existing_text = message.to_ascii_lowercase();
2193        let lowercase_co_author_prefix = CO_AUTHOR_PREFIX.to_lowercase();
2194        let mut ends_with_co_authors = false;
2195        let existing_co_authors = existing_text
2196            .lines()
2197            .filter_map(|line| {
2198                let line = line.trim();
2199                if line.starts_with(&lowercase_co_author_prefix) {
2200                    ends_with_co_authors = true;
2201                    Some(line)
2202                } else {
2203                    ends_with_co_authors = false;
2204                    None
2205                }
2206            })
2207            .collect::<HashSet<_>>();
2208
2209        let new_co_authors = self
2210            .potential_co_authors(cx)
2211            .into_iter()
2212            .filter(|(_, email)| {
2213                !existing_co_authors
2214                    .iter()
2215                    .any(|existing| existing.contains(email.as_str()))
2216            })
2217            .collect::<Vec<_>>();
2218
2219        if new_co_authors.is_empty() {
2220            return;
2221        }
2222
2223        if !ends_with_co_authors {
2224            message.push('\n');
2225        }
2226        for (name, email) in new_co_authors {
2227            message.push('\n');
2228            message.push_str(CO_AUTHOR_PREFIX);
2229            message.push_str(&name);
2230            message.push_str(" <");
2231            message.push_str(&email);
2232            message.push('>');
2233        }
2234        message.push('\n');
2235    }
2236
2237    fn schedule_update(
2238        &mut self,
2239        clear_pending: bool,
2240        window: &mut Window,
2241        cx: &mut Context<Self>,
2242    ) {
2243        let handle = cx.entity().downgrade();
2244        self.reopen_commit_buffer(window, cx);
2245        self.update_visible_entries_task = cx.spawn_in(window, async move |_, cx| {
2246            cx.background_executor().timer(UPDATE_DEBOUNCE).await;
2247            if let Some(git_panel) = handle.upgrade() {
2248                git_panel
2249                    .update_in(cx, |git_panel, window, cx| {
2250                        if clear_pending {
2251                            git_panel.clear_pending();
2252                        }
2253                        git_panel.update_visible_entries(cx);
2254                        git_panel.update_scrollbar_properties(window, cx);
2255                    })
2256                    .ok();
2257            }
2258        });
2259    }
2260
2261    fn reopen_commit_buffer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2262        let Some(active_repo) = self.active_repository.as_ref() else {
2263            return;
2264        };
2265        let load_buffer = active_repo.update(cx, |active_repo, cx| {
2266            let project = self.project.read(cx);
2267            active_repo.open_commit_buffer(
2268                Some(project.languages().clone()),
2269                project.buffer_store().clone(),
2270                cx,
2271            )
2272        });
2273
2274        cx.spawn_in(window, async move |git_panel, cx| {
2275            let buffer = load_buffer.await?;
2276            git_panel.update_in(cx, |git_panel, window, cx| {
2277                if git_panel
2278                    .commit_editor
2279                    .read(cx)
2280                    .buffer()
2281                    .read(cx)
2282                    .as_singleton()
2283                    .as_ref()
2284                    != Some(&buffer)
2285                {
2286                    git_panel.commit_editor = cx.new(|cx| {
2287                        commit_message_editor(
2288                            buffer,
2289                            git_panel.suggest_commit_message(cx).map(SharedString::from),
2290                            git_panel.project.clone(),
2291                            true,
2292                            window,
2293                            cx,
2294                        )
2295                    });
2296                }
2297            })
2298        })
2299        .detach_and_log_err(cx);
2300    }
2301
2302    fn clear_pending(&mut self) {
2303        self.pending.retain(|v| !v.finished)
2304    }
2305
2306    fn update_visible_entries(&mut self, cx: &mut Context<Self>) {
2307        self.entries.clear();
2308        self.single_staged_entry.take();
2309        self.single_tracked_entry.take();
2310        self.conflicted_count = 0;
2311        self.conflicted_staged_count = 0;
2312        self.new_count = 0;
2313        self.tracked_count = 0;
2314        self.new_staged_count = 0;
2315        self.tracked_staged_count = 0;
2316        self.entry_count = 0;
2317
2318        let sort_by_path = GitPanelSettings::get_global(cx).sort_by_path;
2319
2320        let mut changed_entries = Vec::new();
2321        let mut new_entries = Vec::new();
2322        let mut conflict_entries = Vec::new();
2323        let mut last_staged = None;
2324        let mut staged_count = 0;
2325        let mut max_width_item: Option<(RepoPath, usize)> = None;
2326
2327        let Some(repo) = self.active_repository.as_ref() else {
2328            // Just clear entries if no repository is active.
2329            cx.notify();
2330            return;
2331        };
2332
2333        let repo = repo.read(cx);
2334
2335        for entry in repo.cached_status() {
2336            let is_conflict = repo.has_conflict(&entry.repo_path);
2337            let is_new = entry.status.is_created();
2338            let staging = entry.status.staging();
2339
2340            if self.pending.iter().any(|pending| {
2341                pending.target_status == TargetStatus::Reverted
2342                    && !pending.finished
2343                    && pending
2344                        .entries
2345                        .iter()
2346                        .any(|pending| pending.repo_path == entry.repo_path)
2347            }) {
2348                continue;
2349            }
2350
2351            let abs_path = repo.work_directory_abs_path.join(&entry.repo_path.0);
2352            let entry = GitStatusEntry {
2353                repo_path: entry.repo_path.clone(),
2354                abs_path,
2355                status: entry.status,
2356                staging,
2357            };
2358
2359            if staging.has_staged() {
2360                staged_count += 1;
2361                last_staged = Some(entry.clone());
2362            }
2363
2364            let width_estimate = Self::item_width_estimate(
2365                entry.parent_dir().map(|s| s.len()).unwrap_or(0),
2366                entry.display_name().len(),
2367            );
2368
2369            match max_width_item.as_mut() {
2370                Some((repo_path, estimate)) => {
2371                    if width_estimate > *estimate {
2372                        *repo_path = entry.repo_path.clone();
2373                        *estimate = width_estimate;
2374                    }
2375                }
2376                None => max_width_item = Some((entry.repo_path.clone(), width_estimate)),
2377            }
2378
2379            if sort_by_path {
2380                changed_entries.push(entry);
2381            } else if is_conflict {
2382                conflict_entries.push(entry);
2383            } else if is_new {
2384                new_entries.push(entry);
2385            } else {
2386                changed_entries.push(entry);
2387            }
2388        }
2389
2390        let mut pending_staged_count = 0;
2391        let mut last_pending_staged = None;
2392        let mut pending_status_for_last_staged = None;
2393        for pending in self.pending.iter() {
2394            if pending.target_status == TargetStatus::Staged {
2395                pending_staged_count += pending.entries.len();
2396                last_pending_staged = pending.entries.iter().next().cloned();
2397            }
2398            if let Some(last_staged) = &last_staged {
2399                if pending
2400                    .entries
2401                    .iter()
2402                    .any(|entry| entry.repo_path == last_staged.repo_path)
2403                {
2404                    pending_status_for_last_staged = Some(pending.target_status);
2405                }
2406            }
2407        }
2408
2409        if conflict_entries.len() == 0 && staged_count == 1 && pending_staged_count == 0 {
2410            match pending_status_for_last_staged {
2411                Some(TargetStatus::Staged) | None => {
2412                    self.single_staged_entry = last_staged;
2413                }
2414                _ => {}
2415            }
2416        } else if conflict_entries.len() == 0 && pending_staged_count == 1 {
2417            self.single_staged_entry = last_pending_staged;
2418        }
2419
2420        if conflict_entries.len() == 0 && changed_entries.len() == 1 {
2421            self.single_tracked_entry = changed_entries.first().cloned();
2422        }
2423
2424        if conflict_entries.len() > 0 {
2425            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2426                header: Section::Conflict,
2427            }));
2428            self.entries.extend(
2429                conflict_entries
2430                    .into_iter()
2431                    .map(GitListEntry::GitStatusEntry),
2432            );
2433        }
2434
2435        if changed_entries.len() > 0 {
2436            if !sort_by_path {
2437                self.entries.push(GitListEntry::Header(GitHeaderEntry {
2438                    header: Section::Tracked,
2439                }));
2440            }
2441            self.entries.extend(
2442                changed_entries
2443                    .into_iter()
2444                    .map(GitListEntry::GitStatusEntry),
2445            );
2446        }
2447        if new_entries.len() > 0 {
2448            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2449                header: Section::New,
2450            }));
2451            self.entries
2452                .extend(new_entries.into_iter().map(GitListEntry::GitStatusEntry));
2453        }
2454
2455        if let Some((repo_path, _)) = max_width_item {
2456            self.max_width_item_index = self.entries.iter().position(|entry| match entry {
2457                GitListEntry::GitStatusEntry(git_status_entry) => {
2458                    git_status_entry.repo_path == repo_path
2459                }
2460                GitListEntry::Header(_) => false,
2461            });
2462        }
2463
2464        self.update_counts(repo);
2465
2466        self.select_first_entry_if_none(cx);
2467
2468        let suggested_commit_message = self.suggest_commit_message(cx);
2469        let placeholder_text = suggested_commit_message.unwrap_or("Enter commit message".into());
2470
2471        self.commit_editor.update(cx, |editor, cx| {
2472            editor.set_placeholder_text(Arc::from(placeholder_text), cx)
2473        });
2474
2475        cx.notify();
2476    }
2477
2478    fn header_state(&self, header_type: Section) -> ToggleState {
2479        let (staged_count, count) = match header_type {
2480            Section::New => (self.new_staged_count, self.new_count),
2481            Section::Tracked => (self.tracked_staged_count, self.tracked_count),
2482            Section::Conflict => (self.conflicted_staged_count, self.conflicted_count),
2483        };
2484        if staged_count == 0 {
2485            ToggleState::Unselected
2486        } else if count == staged_count {
2487            ToggleState::Selected
2488        } else {
2489            ToggleState::Indeterminate
2490        }
2491    }
2492
2493    fn update_counts(&mut self, repo: &Repository) {
2494        self.show_placeholders = false;
2495        self.conflicted_count = 0;
2496        self.conflicted_staged_count = 0;
2497        self.new_count = 0;
2498        self.tracked_count = 0;
2499        self.new_staged_count = 0;
2500        self.tracked_staged_count = 0;
2501        self.entry_count = 0;
2502        for entry in &self.entries {
2503            let Some(status_entry) = entry.status_entry() else {
2504                continue;
2505            };
2506            self.entry_count += 1;
2507            if repo.has_conflict(&status_entry.repo_path) {
2508                self.conflicted_count += 1;
2509                if self.entry_staging(status_entry).has_staged() {
2510                    self.conflicted_staged_count += 1;
2511                }
2512            } else if status_entry.status.is_created() {
2513                self.new_count += 1;
2514                if self.entry_staging(status_entry).has_staged() {
2515                    self.new_staged_count += 1;
2516                }
2517            } else {
2518                self.tracked_count += 1;
2519                if self.entry_staging(status_entry).has_staged() {
2520                    self.tracked_staged_count += 1;
2521                }
2522            }
2523        }
2524    }
2525
2526    fn entry_staging(&self, entry: &GitStatusEntry) -> StageStatus {
2527        for pending in self.pending.iter().rev() {
2528            if pending
2529                .entries
2530                .iter()
2531                .any(|pending_entry| pending_entry.repo_path == entry.repo_path)
2532            {
2533                match pending.target_status {
2534                    TargetStatus::Staged => return StageStatus::Staged,
2535                    TargetStatus::Unstaged => return StageStatus::Unstaged,
2536                    TargetStatus::Reverted => continue,
2537                    TargetStatus::Unchanged => continue,
2538                }
2539            }
2540        }
2541        entry.staging
2542    }
2543
2544    pub(crate) fn has_staged_changes(&self) -> bool {
2545        self.tracked_staged_count > 0
2546            || self.new_staged_count > 0
2547            || self.conflicted_staged_count > 0
2548    }
2549
2550    pub(crate) fn has_unstaged_changes(&self) -> bool {
2551        self.tracked_count > self.tracked_staged_count
2552            || self.new_count > self.new_staged_count
2553            || self.conflicted_count > self.conflicted_staged_count
2554    }
2555
2556    fn has_tracked_changes(&self) -> bool {
2557        self.tracked_count > 0
2558    }
2559
2560    pub fn has_unstaged_conflicts(&self) -> bool {
2561        self.conflicted_count > 0 && self.conflicted_count != self.conflicted_staged_count
2562    }
2563
2564    fn show_error_toast(&self, action: impl Into<SharedString>, e: anyhow::Error, cx: &mut App) {
2565        let action = action.into();
2566        let Some(workspace) = self.workspace.upgrade() else {
2567            return;
2568        };
2569
2570        let message = e.to_string().trim().to_string();
2571        if message
2572            .matches(git::repository::REMOTE_CANCELLED_BY_USER)
2573            .next()
2574            .is_some()
2575        {
2576            return; // Hide the cancelled by user message
2577        } else {
2578            workspace.update(cx, |workspace, cx| {
2579                let workspace_weak = cx.weak_entity();
2580                let toast =
2581                    StatusToast::new(format!("git {} failed", action.clone()), cx, |this, _cx| {
2582                        this.icon(ToastIcon::new(IconName::XCircle).color(Color::Error))
2583                            .action("View Log", move |window, cx| {
2584                                let message = message.clone();
2585                                let action = action.clone();
2586                                workspace_weak
2587                                    .update(cx, move |workspace, cx| {
2588                                        Self::open_output(action, workspace, &message, window, cx)
2589                                    })
2590                                    .ok();
2591                            })
2592                    });
2593                workspace.toggle_status_toast(toast, cx)
2594            });
2595        }
2596    }
2597
2598    fn show_remote_output(&self, action: RemoteAction, info: RemoteCommandOutput, cx: &mut App) {
2599        let Some(workspace) = self.workspace.upgrade() else {
2600            return;
2601        };
2602
2603        workspace.update(cx, |workspace, cx| {
2604            let SuccessMessage { message, style } = remote_output::format_output(&action, info);
2605            let workspace_weak = cx.weak_entity();
2606            let operation = action.name();
2607
2608            let status_toast = StatusToast::new(message, cx, move |this, _cx| {
2609                use remote_output::SuccessStyle::*;
2610                match style {
2611                    Toast { .. } => this,
2612                    ToastWithLog { output } => this
2613                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2614                        .action("View Log", move |window, cx| {
2615                            let output = output.clone();
2616                            let output =
2617                                format!("stdout:\n{}\nstderr:\n{}", output.stdout, output.stderr);
2618                            workspace_weak
2619                                .update(cx, move |workspace, cx| {
2620                                    Self::open_output(operation, workspace, &output, window, cx)
2621                                })
2622                                .ok();
2623                        }),
2624                    PushPrLink { link } => this
2625                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2626                        .action("Open Pull Request", move |_, cx| cx.open_url(&link)),
2627                }
2628            });
2629            workspace.toggle_status_toast(status_toast, cx)
2630        });
2631    }
2632
2633    fn open_output(
2634        operation: impl Into<SharedString>,
2635        workspace: &mut Workspace,
2636        output: &str,
2637        window: &mut Window,
2638        cx: &mut Context<Workspace>,
2639    ) {
2640        let operation = operation.into();
2641        let buffer = cx.new(|cx| Buffer::local(output, cx));
2642        buffer.update(cx, |buffer, cx| {
2643            buffer.set_capability(language::Capability::ReadOnly, cx);
2644        });
2645        let editor = cx.new(|cx| {
2646            let mut editor = Editor::for_buffer(buffer, None, window, cx);
2647            editor.buffer().update(cx, |buffer, cx| {
2648                buffer.set_title(format!("Output from git {operation}"), cx);
2649            });
2650            editor.set_read_only(true);
2651            editor
2652        });
2653
2654        workspace.add_item_to_center(Box::new(editor), window, cx);
2655    }
2656
2657    pub fn can_commit(&self) -> bool {
2658        (self.has_staged_changes() || self.has_tracked_changes()) && !self.has_unstaged_conflicts()
2659    }
2660
2661    pub fn can_stage_all(&self) -> bool {
2662        self.has_unstaged_changes()
2663    }
2664
2665    pub fn can_unstage_all(&self) -> bool {
2666        self.has_staged_changes()
2667    }
2668
2669    // eventually we'll need to take depth into account here
2670    // if we add a tree view
2671    fn item_width_estimate(path: usize, file_name: usize) -> usize {
2672        path + file_name
2673    }
2674
2675    fn render_overflow_menu(&self, id: impl Into<ElementId>) -> impl IntoElement {
2676        let focus_handle = self.focus_handle.clone();
2677        let has_tracked_changes = self.has_tracked_changes();
2678        let has_staged_changes = self.has_staged_changes();
2679        let has_unstaged_changes = self.has_unstaged_changes();
2680        let has_new_changes = self.new_count > 0;
2681
2682        PopoverMenu::new(id.into())
2683            .trigger(
2684                IconButton::new("overflow-menu-trigger", IconName::EllipsisVertical)
2685                    .icon_size(IconSize::Small)
2686                    .icon_color(Color::Muted),
2687            )
2688            .menu(move |window, cx| {
2689                Some(git_panel_context_menu(
2690                    focus_handle.clone(),
2691                    GitMenuState {
2692                        has_tracked_changes,
2693                        has_staged_changes,
2694                        has_unstaged_changes,
2695                        has_new_changes,
2696                    },
2697                    window,
2698                    cx,
2699                ))
2700            })
2701            .anchor(Corner::TopRight)
2702    }
2703
2704    pub(crate) fn render_generate_commit_message_button(
2705        &self,
2706        cx: &Context<Self>,
2707    ) -> Option<AnyElement> {
2708        current_language_model(cx).is_some().then(|| {
2709            if self.generate_commit_message_task.is_some() {
2710                return h_flex()
2711                    .gap_1()
2712                    .child(
2713                        Icon::new(IconName::ArrowCircle)
2714                            .size(IconSize::XSmall)
2715                            .color(Color::Info)
2716                            .with_animation(
2717                                "arrow-circle",
2718                                Animation::new(Duration::from_secs(2)).repeat(),
2719                                |icon, delta| {
2720                                    icon.transform(Transformation::rotate(percentage(delta)))
2721                                },
2722                            ),
2723                    )
2724                    .child(
2725                        Label::new("Generating Commit...")
2726                            .size(LabelSize::Small)
2727                            .color(Color::Muted),
2728                    )
2729                    .into_any_element();
2730            }
2731
2732            let can_commit = self.can_commit();
2733            let editor_focus_handle = self.commit_editor.focus_handle(cx);
2734            IconButton::new("generate-commit-message", IconName::AiEdit)
2735                .shape(ui::IconButtonShape::Square)
2736                .icon_color(Color::Muted)
2737                .tooltip(move |window, cx| {
2738                    if can_commit {
2739                        Tooltip::for_action_in(
2740                            "Generate Commit Message",
2741                            &git::GenerateCommitMessage,
2742                            &editor_focus_handle,
2743                            window,
2744                            cx,
2745                        )
2746                    } else {
2747                        Tooltip::simple("No changes to commit", cx)
2748                    }
2749                })
2750                .disabled(!can_commit)
2751                .on_click(cx.listener(move |this, _event, _window, cx| {
2752                    this.generate_commit_message(cx);
2753                }))
2754                .into_any_element()
2755        })
2756    }
2757
2758    pub(crate) fn render_co_authors(&self, cx: &Context<Self>) -> Option<AnyElement> {
2759        let potential_co_authors = self.potential_co_authors(cx);
2760        if potential_co_authors.is_empty() {
2761            None
2762        } else {
2763            Some(
2764                IconButton::new("co-authors", IconName::Person)
2765                    .shape(ui::IconButtonShape::Square)
2766                    .icon_color(Color::Disabled)
2767                    .selected_icon_color(Color::Selected)
2768                    .toggle_state(self.add_coauthors)
2769                    .tooltip(move |_, cx| {
2770                        let title = format!(
2771                            "Add co-authored-by:{}{}",
2772                            if potential_co_authors.len() == 1 {
2773                                ""
2774                            } else {
2775                                "\n"
2776                            },
2777                            potential_co_authors
2778                                .iter()
2779                                .map(|(name, email)| format!(" {} <{}>", name, email))
2780                                .join("\n")
2781                        );
2782                        Tooltip::simple(title, cx)
2783                    })
2784                    .on_click(cx.listener(|this, _, _, cx| {
2785                        this.add_coauthors = !this.add_coauthors;
2786                        cx.notify();
2787                    }))
2788                    .into_any_element(),
2789            )
2790        }
2791    }
2792
2793    fn render_git_commit_menu(
2794        &self,
2795        id: impl Into<ElementId>,
2796        keybinding_target: Option<FocusHandle>,
2797    ) -> impl IntoElement {
2798        PopoverMenu::new(id.into())
2799            .trigger(
2800                ui::ButtonLike::new_rounded_right("commit-split-button-right")
2801                    .layer(ui::ElevationIndex::ModalSurface)
2802                    .size(ui::ButtonSize::None)
2803                    .child(
2804                        div()
2805                            .px_1()
2806                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
2807                    ),
2808            )
2809            .menu(move |window, cx| {
2810                Some(ContextMenu::build(window, cx, |context_menu, _, _| {
2811                    context_menu
2812                        .when_some(keybinding_target.clone(), |el, keybinding_target| {
2813                            el.context(keybinding_target.clone())
2814                        })
2815                        .action("Amend", Amend.boxed_clone())
2816                }))
2817            })
2818            .anchor(Corner::TopRight)
2819    }
2820
2821    pub fn configure_commit_button(&self, cx: &mut Context<Self>) -> (bool, &'static str) {
2822        if self.has_unstaged_conflicts() {
2823            (false, "You must resolve conflicts before committing")
2824        } else if !self.has_staged_changes() && !self.has_tracked_changes() {
2825            (false, "No changes to commit")
2826        } else if self.pending_commit.is_some() {
2827            (false, "Commit in progress")
2828        } else if self.custom_or_suggested_commit_message(cx).is_none() {
2829            (false, "No commit message")
2830        } else if !self.has_write_access(cx) {
2831            (false, "You do not have write access to this project")
2832        } else {
2833            (true, self.commit_button_title())
2834        }
2835    }
2836
2837    pub fn commit_button_title(&self) -> &'static str {
2838        if self.amend_pending {
2839            if self.has_staged_changes() {
2840                "Amend"
2841            } else {
2842                "Amend Tracked"
2843            }
2844        } else {
2845            if self.has_staged_changes() {
2846                "Commit"
2847            } else {
2848                "Commit Tracked"
2849            }
2850        }
2851    }
2852
2853    fn expand_commit_editor(
2854        &mut self,
2855        _: &git::ExpandCommitEditor,
2856        window: &mut Window,
2857        cx: &mut Context<Self>,
2858    ) {
2859        let workspace = self.workspace.clone();
2860        window.defer(cx, move |window, cx| {
2861            workspace
2862                .update(cx, |workspace, cx| {
2863                    CommitModal::toggle(workspace, None, window, cx)
2864                })
2865                .ok();
2866        })
2867    }
2868
2869    fn render_panel_header(
2870        &self,
2871        window: &mut Window,
2872        cx: &mut Context<Self>,
2873    ) -> Option<impl IntoElement> {
2874        self.active_repository.as_ref()?;
2875
2876        let text;
2877        let action;
2878        let tooltip;
2879        if self.total_staged_count() == self.entry_count && self.entry_count > 0 {
2880            text = "Unstage All";
2881            action = git::UnstageAll.boxed_clone();
2882            tooltip = "git reset";
2883        } else {
2884            text = "Stage All";
2885            action = git::StageAll.boxed_clone();
2886            tooltip = "git add --all ."
2887        }
2888
2889        let change_string = match self.entry_count {
2890            0 => "No Changes".to_string(),
2891            1 => "1 Change".to_string(),
2892            _ => format!("{} Changes", self.entry_count),
2893        };
2894
2895        Some(
2896            self.panel_header_container(window, cx)
2897                .px_2()
2898                .child(
2899                    panel_button(change_string)
2900                        .color(Color::Muted)
2901                        .tooltip(Tooltip::for_action_title_in(
2902                            "Open Diff",
2903                            &Diff,
2904                            &self.focus_handle,
2905                        ))
2906                        .on_click(|_, _, cx| {
2907                            cx.defer(|cx| {
2908                                cx.dispatch_action(&Diff);
2909                            })
2910                        }),
2911                )
2912                .child(div().flex_grow()) // spacer
2913                .child(self.render_overflow_menu("overflow_menu"))
2914                .child(div().w_2()) // another spacer
2915                .child(
2916                    panel_filled_button(text)
2917                        .tooltip(Tooltip::for_action_title_in(
2918                            tooltip,
2919                            action.as_ref(),
2920                            &self.focus_handle,
2921                        ))
2922                        .disabled(self.entry_count == 0)
2923                        .on_click(move |_, _, cx| {
2924                            let action = action.boxed_clone();
2925                            cx.defer(move |cx| {
2926                                cx.dispatch_action(action.as_ref());
2927                            })
2928                        }),
2929                ),
2930        )
2931    }
2932
2933    pub(crate) fn render_remote_button(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2934        let branch = self.active_repository.as_ref()?.read(cx).branch.clone();
2935        if !self.can_push_and_pull(cx) {
2936            return None;
2937        }
2938        Some(
2939            h_flex()
2940                .gap_1()
2941                .flex_shrink_0()
2942                .when_some(branch, |this, branch| {
2943                    let focus_handle = Some(self.focus_handle(cx));
2944
2945                    this.children(render_remote_button(
2946                        "remote-button",
2947                        &branch,
2948                        focus_handle,
2949                        true,
2950                    ))
2951                })
2952                .into_any_element(),
2953        )
2954    }
2955
2956    pub fn render_footer(
2957        &self,
2958        window: &mut Window,
2959        cx: &mut Context<Self>,
2960    ) -> Option<impl IntoElement> {
2961        let active_repository = self.active_repository.clone()?;
2962        let panel_editor_style = panel_editor_style(true, window, cx);
2963
2964        let enable_coauthors = self.render_co_authors(cx);
2965
2966        let editor_focus_handle = self.commit_editor.focus_handle(cx);
2967        let expand_tooltip_focus_handle = editor_focus_handle.clone();
2968
2969        let branch = active_repository.read(cx).branch.clone();
2970        let head_commit = active_repository.read(cx).head_commit.clone();
2971
2972        let footer_size = px(32.);
2973        let gap = px(9.0);
2974        let max_height = panel_editor_style
2975            .text
2976            .line_height_in_pixels(window.rem_size())
2977            * MAX_PANEL_EDITOR_LINES
2978            + gap;
2979
2980        let git_panel = cx.entity().clone();
2981        let display_name = SharedString::from(Arc::from(
2982            active_repository
2983                .read(cx)
2984                .display_name()
2985                .trim_end_matches("/"),
2986        ));
2987        let editor_is_long = self.commit_editor.update(cx, |editor, cx| {
2988            editor.max_point(cx).row().0 >= MAX_PANEL_EDITOR_LINES as u32
2989        });
2990        let has_previous_commit = head_commit.is_some();
2991
2992        let footer = v_flex()
2993            .child(PanelRepoFooter::new(
2994                display_name,
2995                branch,
2996                head_commit,
2997                Some(git_panel.clone()),
2998            ))
2999            .child(
3000                panel_editor_container(window, cx)
3001                    .id("commit-editor-container")
3002                    .relative()
3003                    .w_full()
3004                    .h(max_height + footer_size)
3005                    .border_t_1()
3006                    .border_color(cx.theme().colors().border_variant)
3007                    .cursor_text()
3008                    .on_click(cx.listener(move |this, _: &ClickEvent, window, cx| {
3009                        window.focus(&this.commit_editor.focus_handle(cx));
3010                    }))
3011                    .child(
3012                        h_flex()
3013                            .id("commit-footer")
3014                            .border_t_1()
3015                            .when(editor_is_long, |el| {
3016                                el.border_color(cx.theme().colors().border_variant)
3017                            })
3018                            .absolute()
3019                            .bottom_0()
3020                            .left_0()
3021                            .w_full()
3022                            .px_2()
3023                            .h(footer_size)
3024                            .flex_none()
3025                            .justify_between()
3026                            .child(
3027                                self.render_generate_commit_message_button(cx)
3028                                    .unwrap_or_else(|| div().into_any_element()),
3029                            )
3030                            .child(
3031                                h_flex()
3032                                    .gap_0p5()
3033                                    .children(enable_coauthors)
3034                                    .child(self.render_commit_button(has_previous_commit, cx)),
3035                            ),
3036                    )
3037                    .child(
3038                        div()
3039                            .pr_2p5()
3040                            .on_action(|&editor::actions::MoveUp, _, cx| {
3041                                cx.stop_propagation();
3042                            })
3043                            .on_action(|&editor::actions::MoveDown, _, cx| {
3044                                cx.stop_propagation();
3045                            })
3046                            .child(EditorElement::new(&self.commit_editor, panel_editor_style)),
3047                    )
3048                    .child(
3049                        h_flex()
3050                            .absolute()
3051                            .top_2()
3052                            .right_2()
3053                            .opacity(0.5)
3054                            .hover(|this| this.opacity(1.0))
3055                            .child(
3056                                panel_icon_button("expand-commit-editor", IconName::Maximize)
3057                                    .icon_size(IconSize::Small)
3058                                    .size(ui::ButtonSize::Default)
3059                                    .tooltip(move |window, cx| {
3060                                        Tooltip::for_action_in(
3061                                            "Open Commit Modal",
3062                                            &git::ExpandCommitEditor,
3063                                            &expand_tooltip_focus_handle,
3064                                            window,
3065                                            cx,
3066                                        )
3067                                    })
3068                                    .on_click(cx.listener({
3069                                        move |_, _, window, cx| {
3070                                            window.dispatch_action(
3071                                                git::ExpandCommitEditor.boxed_clone(),
3072                                                cx,
3073                                            )
3074                                        }
3075                                    })),
3076                            ),
3077                    ),
3078            );
3079
3080        Some(footer)
3081    }
3082
3083    fn render_commit_button(
3084        &self,
3085        has_previous_commit: bool,
3086        cx: &mut Context<Self>,
3087    ) -> impl IntoElement {
3088        let (can_commit, tooltip) = self.configure_commit_button(cx);
3089        let title = self.commit_button_title();
3090        let commit_tooltip_focus_handle = self.commit_editor.focus_handle(cx);
3091        div()
3092            .id("commit-wrapper")
3093            .on_hover(cx.listener(move |this, hovered, _, cx| {
3094                this.show_placeholders =
3095                    *hovered && !this.has_staged_changes() && !this.has_unstaged_conflicts();
3096                cx.notify()
3097            }))
3098            .when(self.amend_pending, {
3099                |this| {
3100                    this.h_flex()
3101                        .gap_1()
3102                        .child(
3103                            panel_filled_button("Cancel")
3104                                .tooltip({
3105                                    let handle = commit_tooltip_focus_handle.clone();
3106                                    move |window, cx| {
3107                                        Tooltip::for_action_in(
3108                                            "Cancel amend",
3109                                            &git::Cancel,
3110                                            &handle,
3111                                            window,
3112                                            cx,
3113                                        )
3114                                    }
3115                                })
3116                                .on_click(move |_, window, cx| {
3117                                    window.dispatch_action(Box::new(git::Cancel), cx);
3118                                }),
3119                        )
3120                        .child(
3121                            panel_filled_button(title)
3122                                .tooltip({
3123                                    let handle = commit_tooltip_focus_handle.clone();
3124                                    move |window, cx| {
3125                                        if can_commit {
3126                                            Tooltip::for_action_in(
3127                                                tooltip, &Amend, &handle, window, cx,
3128                                            )
3129                                        } else {
3130                                            Tooltip::simple(tooltip, cx)
3131                                        }
3132                                    }
3133                                })
3134                                .disabled(!can_commit || self.modal_open)
3135                                .on_click({
3136                                    let git_panel = cx.weak_entity();
3137                                    move |_, window, cx| {
3138                                        telemetry::event!("Git Amended", source = "Git Panel");
3139                                        git_panel
3140                                            .update(cx, |git_panel, cx| {
3141                                                git_panel.set_amend_pending(false, cx);
3142                                                git_panel.commit_changes(
3143                                                    CommitOptions { amend: true },
3144                                                    window,
3145                                                    cx,
3146                                                );
3147                                            })
3148                                            .ok();
3149                                    }
3150                                }),
3151                        )
3152                }
3153            })
3154            .when(!self.amend_pending, |this| {
3155                this.when(has_previous_commit, |this| {
3156                    this.child(SplitButton::new(
3157                        ui::ButtonLike::new_rounded_left(ElementId::Name(
3158                            format!("split-button-left-{}", title).into(),
3159                        ))
3160                        .layer(ui::ElevationIndex::ModalSurface)
3161                        .size(ui::ButtonSize::Compact)
3162                        .child(
3163                            div()
3164                                .child(Label::new(title).size(LabelSize::Small))
3165                                .mr_0p5(),
3166                        )
3167                        .on_click({
3168                            let git_panel = cx.weak_entity();
3169                            move |_, window, cx| {
3170                                telemetry::event!("Git Committed", source = "Git Panel");
3171                                git_panel
3172                                    .update(cx, |git_panel, cx| {
3173                                        git_panel.commit_changes(
3174                                            CommitOptions { amend: false },
3175                                            window,
3176                                            cx,
3177                                        );
3178                                    })
3179                                    .ok();
3180                            }
3181                        })
3182                        .disabled(!can_commit || self.modal_open)
3183                        .tooltip({
3184                            let handle = commit_tooltip_focus_handle.clone();
3185                            move |window, cx| {
3186                                if can_commit {
3187                                    Tooltip::with_meta_in(
3188                                        tooltip,
3189                                        Some(&git::Commit),
3190                                        "git commit",
3191                                        &handle.clone(),
3192                                        window,
3193                                        cx,
3194                                    )
3195                                } else {
3196                                    Tooltip::simple(tooltip, cx)
3197                                }
3198                            }
3199                        }),
3200                        self.render_git_commit_menu(
3201                            ElementId::Name(format!("split-button-right-{}", title).into()),
3202                            Some(commit_tooltip_focus_handle.clone()),
3203                        )
3204                        .into_any_element(),
3205                    ))
3206                })
3207                .when(!has_previous_commit, |this| {
3208                    this.child(
3209                        panel_filled_button(title)
3210                            .tooltip(move |window, cx| {
3211                                if can_commit {
3212                                    Tooltip::with_meta_in(
3213                                        tooltip,
3214                                        Some(&git::Commit),
3215                                        "git commit",
3216                                        &commit_tooltip_focus_handle,
3217                                        window,
3218                                        cx,
3219                                    )
3220                                } else {
3221                                    Tooltip::simple(tooltip, cx)
3222                                }
3223                            })
3224                            .disabled(!can_commit || self.modal_open)
3225                            .on_click({
3226                                let git_panel = cx.weak_entity();
3227                                move |_, window, cx| {
3228                                    telemetry::event!("Git Committed", source = "Git Panel");
3229                                    git_panel
3230                                        .update(cx, |git_panel, cx| {
3231                                            git_panel.commit_changes(
3232                                                CommitOptions { amend: false },
3233                                                window,
3234                                                cx,
3235                                            );
3236                                        })
3237                                        .ok();
3238                                }
3239                            }),
3240                    )
3241                })
3242            })
3243    }
3244
3245    fn render_pending_amend(&self, cx: &mut Context<Self>) -> impl IntoElement {
3246        div()
3247            .py_2()
3248            .px(px(8.))
3249            .border_color(cx.theme().colors().border)
3250            .child(
3251                Label::new(
3252                    "This will update your most recent commit. Cancel to make a new one instead.",
3253                )
3254                .size(LabelSize::Small),
3255            )
3256    }
3257
3258    fn render_previous_commit(&self, cx: &mut Context<Self>) -> Option<impl IntoElement> {
3259        let active_repository = self.active_repository.as_ref()?;
3260        let branch = active_repository.read(cx).branch.as_ref()?;
3261        let commit = branch.most_recent_commit.as_ref()?.clone();
3262        let workspace = self.workspace.clone();
3263
3264        let this = cx.entity();
3265        Some(
3266            h_flex()
3267                .items_center()
3268                .py_2()
3269                .px(px(8.))
3270                .border_color(cx.theme().colors().border)
3271                .gap_1p5()
3272                .child(
3273                    div()
3274                        .flex_grow()
3275                        .overflow_hidden()
3276                        .items_center()
3277                        .max_w(relative(0.85))
3278                        .h_full()
3279                        .child(
3280                            Label::new(commit.subject.clone())
3281                                .size(LabelSize::Small)
3282                                .truncate(),
3283                        )
3284                        .id("commit-msg-hover")
3285                        .on_click({
3286                            let commit = commit.clone();
3287                            let repo = active_repository.downgrade();
3288                            move |_, window, cx| {
3289                                CommitView::open(
3290                                    commit.clone(),
3291                                    repo.clone(),
3292                                    workspace.clone().clone(),
3293                                    window,
3294                                    cx,
3295                                );
3296                            }
3297                        })
3298                        .hoverable_tooltip({
3299                            let repo = active_repository.clone();
3300                            move |window, cx| {
3301                                GitPanelMessageTooltip::new(
3302                                    this.clone(),
3303                                    commit.sha.clone(),
3304                                    repo.clone(),
3305                                    window,
3306                                    cx,
3307                                )
3308                                .into()
3309                            }
3310                        }),
3311                )
3312                .child(div().flex_1())
3313                .when(commit.has_parent, |this| {
3314                    let has_unstaged = self.has_unstaged_changes();
3315                    this.child(
3316                        panel_icon_button("undo", IconName::Undo)
3317                            .icon_size(IconSize::Small)
3318                            .icon_color(Color::Muted)
3319                            .tooltip(move |window, cx| {
3320                                Tooltip::with_meta(
3321                                    "Uncommit",
3322                                    Some(&git::Uncommit),
3323                                    if has_unstaged {
3324                                        "git reset HEAD^ --soft"
3325                                    } else {
3326                                        "git reset HEAD^"
3327                                    },
3328                                    window,
3329                                    cx,
3330                                )
3331                            })
3332                            .on_click(cx.listener(|this, _, window, cx| this.uncommit(window, cx))),
3333                    )
3334                }),
3335        )
3336    }
3337
3338    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
3339        h_flex()
3340            .h_full()
3341            .flex_grow()
3342            .justify_center()
3343            .items_center()
3344            .child(
3345                v_flex()
3346                    .gap_2()
3347                    .child(h_flex().w_full().justify_around().child(
3348                        if self.active_repository.is_some() {
3349                            "No changes to commit"
3350                        } else {
3351                            "No Git repositories"
3352                        },
3353                    ))
3354                    .children({
3355                        let worktree_count = self.project.read(cx).visible_worktrees(cx).count();
3356                        (worktree_count > 0 && self.active_repository.is_none()).then(|| {
3357                            h_flex().w_full().justify_around().child(
3358                                panel_filled_button("Initialize Repository")
3359                                    .tooltip(Tooltip::for_action_title_in(
3360                                        "git init",
3361                                        &git::Init,
3362                                        &self.focus_handle,
3363                                    ))
3364                                    .on_click(move |_, _, cx| {
3365                                        cx.defer(move |cx| {
3366                                            cx.dispatch_action(&git::Init);
3367                                        })
3368                                    }),
3369                            )
3370                        })
3371                    })
3372                    .text_ui_sm(cx)
3373                    .mx_auto()
3374                    .text_color(Color::Placeholder.color(cx)),
3375            )
3376    }
3377
3378    fn render_vertical_scrollbar(
3379        &self,
3380        show_horizontal_scrollbar_container: bool,
3381        cx: &mut Context<Self>,
3382    ) -> impl IntoElement {
3383        div()
3384            .id("git-panel-vertical-scroll")
3385            .occlude()
3386            .flex_none()
3387            .h_full()
3388            .cursor_default()
3389            .absolute()
3390            .right_0()
3391            .top_0()
3392            .bottom_0()
3393            .w(px(12.))
3394            .when(show_horizontal_scrollbar_container, |this| {
3395                this.pb_neg_3p5()
3396            })
3397            .on_mouse_move(cx.listener(|_, _, _, cx| {
3398                cx.notify();
3399                cx.stop_propagation()
3400            }))
3401            .on_hover(|_, _, cx| {
3402                cx.stop_propagation();
3403            })
3404            .on_any_mouse_down(|_, _, cx| {
3405                cx.stop_propagation();
3406            })
3407            .on_mouse_up(
3408                MouseButton::Left,
3409                cx.listener(|this, _, window, cx| {
3410                    if !this.vertical_scrollbar.state.is_dragging()
3411                        && !this.focus_handle.contains_focused(window, cx)
3412                    {
3413                        this.vertical_scrollbar.hide(window, cx);
3414                        cx.notify();
3415                    }
3416
3417                    cx.stop_propagation();
3418                }),
3419            )
3420            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3421                cx.notify();
3422            }))
3423            .children(Scrollbar::vertical(
3424                // percentage as f32..end_offset as f32,
3425                self.vertical_scrollbar.state.clone(),
3426            ))
3427    }
3428
3429    /// Renders the horizontal scrollbar.
3430    ///
3431    /// The right offset is used to determine how far to the right the
3432    /// scrollbar should extend to, useful for ensuring it doesn't collide
3433    /// with the vertical scrollbar when visible.
3434    fn render_horizontal_scrollbar(
3435        &self,
3436        right_offset: Pixels,
3437        cx: &mut Context<Self>,
3438    ) -> impl IntoElement {
3439        div()
3440            .id("git-panel-horizontal-scroll")
3441            .occlude()
3442            .flex_none()
3443            .w_full()
3444            .cursor_default()
3445            .absolute()
3446            .bottom_neg_px()
3447            .left_0()
3448            .right_0()
3449            .pr(right_offset)
3450            .on_mouse_move(cx.listener(|_, _, _, cx| {
3451                cx.notify();
3452                cx.stop_propagation()
3453            }))
3454            .on_hover(|_, _, cx| {
3455                cx.stop_propagation();
3456            })
3457            .on_any_mouse_down(|_, _, cx| {
3458                cx.stop_propagation();
3459            })
3460            .on_mouse_up(
3461                MouseButton::Left,
3462                cx.listener(|this, _, window, cx| {
3463                    if !this.horizontal_scrollbar.state.is_dragging()
3464                        && !this.focus_handle.contains_focused(window, cx)
3465                    {
3466                        this.horizontal_scrollbar.hide(window, cx);
3467                        cx.notify();
3468                    }
3469
3470                    cx.stop_propagation();
3471                }),
3472            )
3473            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3474                cx.notify();
3475            }))
3476            .children(Scrollbar::horizontal(
3477                // percentage as f32..end_offset as f32,
3478                self.horizontal_scrollbar.state.clone(),
3479            ))
3480    }
3481
3482    fn render_buffer_header_controls(
3483        &self,
3484        entity: &Entity<Self>,
3485        file: &Arc<dyn File>,
3486        _: &Window,
3487        cx: &App,
3488    ) -> Option<AnyElement> {
3489        let repo = self.active_repository.as_ref()?.read(cx);
3490        let project_path = (file.worktree_id(cx), file.path()).into();
3491        let repo_path = repo.project_path_to_repo_path(&project_path, cx)?;
3492        let ix = self.entry_by_path(&repo_path, cx)?;
3493        let entry = self.entries.get(ix)?;
3494
3495        let entry_staging = self.entry_staging(entry.status_entry()?);
3496
3497        let checkbox = Checkbox::new("stage-file", entry_staging.as_bool().into())
3498            .disabled(!self.has_write_access(cx))
3499            .fill()
3500            .elevation(ElevationIndex::Surface)
3501            .on_click({
3502                let entry = entry.clone();
3503                let git_panel = entity.downgrade();
3504                move |_, window, cx| {
3505                    git_panel
3506                        .update(cx, |this, cx| {
3507                            this.toggle_staged_for_entry(&entry, window, cx);
3508                            cx.stop_propagation();
3509                        })
3510                        .ok();
3511                }
3512            });
3513        Some(
3514            h_flex()
3515                .id("start-slot")
3516                .text_lg()
3517                .child(checkbox)
3518                .on_mouse_down(MouseButton::Left, |_, _, cx| {
3519                    // prevent the list item active state triggering when toggling checkbox
3520                    cx.stop_propagation();
3521                })
3522                .into_any_element(),
3523        )
3524    }
3525
3526    fn render_entries(
3527        &self,
3528        has_write_access: bool,
3529        _: &Window,
3530        cx: &mut Context<Self>,
3531    ) -> impl IntoElement {
3532        let entry_count = self.entries.len();
3533
3534        let scroll_track_size = px(16.);
3535
3536        let h_scroll_offset = if self.vertical_scrollbar.show_scrollbar {
3537            // magic number
3538            px(3.)
3539        } else {
3540            px(0.)
3541        };
3542
3543        v_flex()
3544            .flex_1()
3545            .size_full()
3546            .overflow_hidden()
3547            .relative()
3548            // Show a border on the top and bottom of the container when
3549            // the vertical scrollbar container is visible so we don't have a
3550            // floating left border in the panel.
3551            .when(self.vertical_scrollbar.show_track, |this| {
3552                this.border_t_1()
3553                    .border_b_1()
3554                    .border_color(cx.theme().colors().border)
3555            })
3556            .child(
3557                h_flex()
3558                    .flex_1()
3559                    .size_full()
3560                    .relative()
3561                    .overflow_hidden()
3562                    .child(
3563                        uniform_list(cx.entity().clone(), "entries", entry_count, {
3564                            move |this, range, window, cx| {
3565                                let mut items = Vec::with_capacity(range.end - range.start);
3566
3567                                for ix in range {
3568                                    match &this.entries.get(ix) {
3569                                        Some(GitListEntry::GitStatusEntry(entry)) => {
3570                                            items.push(this.render_entry(
3571                                                ix,
3572                                                entry,
3573                                                has_write_access,
3574                                                window,
3575                                                cx,
3576                                            ));
3577                                        }
3578                                        Some(GitListEntry::Header(header)) => {
3579                                            items.push(this.render_list_header(
3580                                                ix,
3581                                                header,
3582                                                has_write_access,
3583                                                window,
3584                                                cx,
3585                                            ));
3586                                        }
3587                                        None => {}
3588                                    }
3589                                }
3590
3591                                items
3592                            }
3593                        })
3594                        .when(
3595                            !self.horizontal_scrollbar.show_track
3596                                && self.horizontal_scrollbar.show_scrollbar,
3597                            |this| {
3598                                // when not showing the horizontal scrollbar track, make sure we don't
3599                                // obscure the last entry
3600                                this.pb(scroll_track_size)
3601                            },
3602                        )
3603                        .size_full()
3604                        .flex_grow()
3605                        .with_sizing_behavior(ListSizingBehavior::Auto)
3606                        .with_horizontal_sizing_behavior(
3607                            ListHorizontalSizingBehavior::Unconstrained,
3608                        )
3609                        .with_width_from_item(self.max_width_item_index)
3610                        .track_scroll(self.scroll_handle.clone()),
3611                    )
3612                    .on_mouse_down(
3613                        MouseButton::Right,
3614                        cx.listener(move |this, event: &MouseDownEvent, window, cx| {
3615                            this.deploy_panel_context_menu(event.position, window, cx)
3616                        }),
3617                    )
3618                    .when(self.vertical_scrollbar.show_track, |this| {
3619                        this.child(
3620                            v_flex()
3621                                .h_full()
3622                                .flex_none()
3623                                .w(scroll_track_size)
3624                                .bg(cx.theme().colors().panel_background)
3625                                .child(
3626                                    div()
3627                                        .size_full()
3628                                        .flex_1()
3629                                        .border_l_1()
3630                                        .border_color(cx.theme().colors().border),
3631                                ),
3632                        )
3633                    })
3634                    .when(self.vertical_scrollbar.show_scrollbar, |this| {
3635                        this.child(
3636                            self.render_vertical_scrollbar(
3637                                self.horizontal_scrollbar.show_track,
3638                                cx,
3639                            ),
3640                        )
3641                    }),
3642            )
3643            .when(self.horizontal_scrollbar.show_track, |this| {
3644                this.child(
3645                    h_flex()
3646                        .w_full()
3647                        .h(scroll_track_size)
3648                        .flex_none()
3649                        .relative()
3650                        .child(
3651                            div()
3652                                .w_full()
3653                                .flex_1()
3654                                // for some reason the horizontal scrollbar is 1px
3655                                // taller than the vertical scrollbar??
3656                                .h(scroll_track_size - px(1.))
3657                                .bg(cx.theme().colors().panel_background)
3658                                .border_t_1()
3659                                .border_color(cx.theme().colors().border),
3660                        )
3661                        .when(self.vertical_scrollbar.show_track, |this| {
3662                            this.child(
3663                                div()
3664                                    .flex_none()
3665                                    // -1px prevents a missing pixel between the two container borders
3666                                    .w(scroll_track_size - px(1.))
3667                                    .h_full(),
3668                            )
3669                            .child(
3670                                // HACK: Fill the missing 1px 🥲
3671                                div()
3672                                    .absolute()
3673                                    .right(scroll_track_size - px(1.))
3674                                    .bottom(scroll_track_size - px(1.))
3675                                    .size_px()
3676                                    .bg(cx.theme().colors().border),
3677                            )
3678                        }),
3679                )
3680            })
3681            .when(self.horizontal_scrollbar.show_scrollbar, |this| {
3682                this.child(self.render_horizontal_scrollbar(h_scroll_offset, cx))
3683            })
3684    }
3685
3686    fn entry_label(&self, label: impl Into<SharedString>, color: Color) -> Label {
3687        Label::new(label.into()).color(color).single_line()
3688    }
3689
3690    fn list_item_height(&self) -> Rems {
3691        rems(1.75)
3692    }
3693
3694    fn render_list_header(
3695        &self,
3696        ix: usize,
3697        header: &GitHeaderEntry,
3698        _: bool,
3699        _: &Window,
3700        _: &Context<Self>,
3701    ) -> AnyElement {
3702        let id: ElementId = ElementId::Name(format!("header_{}", ix).into());
3703
3704        h_flex()
3705            .id(id)
3706            .h(self.list_item_height())
3707            .w_full()
3708            .items_end()
3709            .px(rems(0.75)) // ~12px
3710            .pb(rems(0.3125)) // ~ 5px
3711            .child(
3712                Label::new(header.title())
3713                    .color(Color::Muted)
3714                    .size(LabelSize::Small)
3715                    .line_height_style(LineHeightStyle::UiLabel)
3716                    .single_line(),
3717            )
3718            .into_any_element()
3719    }
3720
3721    pub fn load_commit_details(
3722        &self,
3723        sha: String,
3724        cx: &mut Context<Self>,
3725    ) -> Task<anyhow::Result<CommitDetails>> {
3726        let Some(repo) = self.active_repository.clone() else {
3727            return Task::ready(Err(anyhow::anyhow!("no active repo")));
3728        };
3729        repo.update(cx, |repo, cx| {
3730            let show = repo.show(sha);
3731            cx.spawn(async move |_, _| show.await?)
3732        })
3733    }
3734
3735    fn deploy_entry_context_menu(
3736        &mut self,
3737        position: Point<Pixels>,
3738        ix: usize,
3739        window: &mut Window,
3740        cx: &mut Context<Self>,
3741    ) {
3742        let Some(entry) = self.entries.get(ix).and_then(|e| e.status_entry()) else {
3743            return;
3744        };
3745        let stage_title = if entry.status.staging().is_fully_staged() {
3746            "Unstage File"
3747        } else {
3748            "Stage File"
3749        };
3750        let restore_title = if entry.status.is_created() {
3751            "Trash File"
3752        } else {
3753            "Restore File"
3754        };
3755        let context_menu = ContextMenu::build(window, cx, |context_menu, _, _| {
3756            context_menu
3757                .context(self.focus_handle.clone())
3758                .action(stage_title, ToggleStaged.boxed_clone())
3759                .action(restore_title, git::RestoreFile::default().boxed_clone())
3760                .separator()
3761                .action("Open Diff", Confirm.boxed_clone())
3762                .action("Open File", SecondaryConfirm.boxed_clone())
3763        });
3764        self.selected_entry = Some(ix);
3765        self.set_context_menu(context_menu, position, window, cx);
3766    }
3767
3768    fn deploy_panel_context_menu(
3769        &mut self,
3770        position: Point<Pixels>,
3771        window: &mut Window,
3772        cx: &mut Context<Self>,
3773    ) {
3774        let context_menu = git_panel_context_menu(
3775            self.focus_handle.clone(),
3776            GitMenuState {
3777                has_tracked_changes: self.has_tracked_changes(),
3778                has_staged_changes: self.has_staged_changes(),
3779                has_unstaged_changes: self.has_unstaged_changes(),
3780                has_new_changes: self.new_count > 0,
3781            },
3782            window,
3783            cx,
3784        );
3785        self.set_context_menu(context_menu, position, window, cx);
3786    }
3787
3788    fn set_context_menu(
3789        &mut self,
3790        context_menu: Entity<ContextMenu>,
3791        position: Point<Pixels>,
3792        window: &Window,
3793        cx: &mut Context<Self>,
3794    ) {
3795        let subscription = cx.subscribe_in(
3796            &context_menu,
3797            window,
3798            |this, _, _: &DismissEvent, window, cx| {
3799                if this.context_menu.as_ref().is_some_and(|context_menu| {
3800                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
3801                }) {
3802                    cx.focus_self(window);
3803                }
3804                this.context_menu.take();
3805                cx.notify();
3806            },
3807        );
3808        self.context_menu = Some((context_menu, position, subscription));
3809        cx.notify();
3810    }
3811
3812    fn render_entry(
3813        &self,
3814        ix: usize,
3815        entry: &GitStatusEntry,
3816        has_write_access: bool,
3817        window: &Window,
3818        cx: &Context<Self>,
3819    ) -> AnyElement {
3820        let display_name = entry.display_name();
3821
3822        let selected = self.selected_entry == Some(ix);
3823        let marked = self.marked_entries.contains(&ix);
3824        let status_style = GitPanelSettings::get_global(cx).status_style;
3825        let status = entry.status;
3826        let modifiers = self.current_modifiers;
3827        let shift_held = modifiers.shift;
3828
3829        let has_conflict = status.is_conflicted();
3830        let is_modified = status.is_modified();
3831        let is_deleted = status.is_deleted();
3832
3833        let label_color = if status_style == StatusStyle::LabelColor {
3834            if has_conflict {
3835                Color::VersionControlConflict
3836            } else if is_modified {
3837                Color::VersionControlModified
3838            } else if is_deleted {
3839                // We don't want a bunch of red labels in the list
3840                Color::Disabled
3841            } else {
3842                Color::VersionControlAdded
3843            }
3844        } else {
3845            Color::Default
3846        };
3847
3848        let path_color = if status.is_deleted() {
3849            Color::Disabled
3850        } else {
3851            Color::Muted
3852        };
3853
3854        let id: ElementId = ElementId::Name(format!("entry_{}_{}", display_name, ix).into());
3855        let checkbox_wrapper_id: ElementId =
3856            ElementId::Name(format!("entry_{}_{}_checkbox_wrapper", display_name, ix).into());
3857        let checkbox_id: ElementId =
3858            ElementId::Name(format!("entry_{}_{}_checkbox", display_name, ix).into());
3859
3860        let entry_staging = self.entry_staging(entry);
3861        let mut is_staged: ToggleState = self.entry_staging(entry).as_bool().into();
3862        if self.show_placeholders && !self.has_staged_changes() && !entry.status.is_created() {
3863            is_staged = ToggleState::Selected;
3864        }
3865
3866        let handle = cx.weak_entity();
3867
3868        let selected_bg_alpha = 0.08;
3869        let marked_bg_alpha = 0.12;
3870        let state_opacity_step = 0.04;
3871
3872        let base_bg = match (selected, marked) {
3873            (true, true) => cx
3874                .theme()
3875                .status()
3876                .info
3877                .alpha(selected_bg_alpha + marked_bg_alpha),
3878            (true, false) => cx.theme().status().info.alpha(selected_bg_alpha),
3879            (false, true) => cx.theme().status().info.alpha(marked_bg_alpha),
3880            _ => cx.theme().colors().ghost_element_background,
3881        };
3882
3883        let hover_bg = if selected {
3884            cx.theme()
3885                .status()
3886                .info
3887                .alpha(selected_bg_alpha + state_opacity_step)
3888        } else {
3889            cx.theme().colors().ghost_element_hover
3890        };
3891
3892        let active_bg = if selected {
3893            cx.theme()
3894                .status()
3895                .info
3896                .alpha(selected_bg_alpha + state_opacity_step * 2.0)
3897        } else {
3898            cx.theme().colors().ghost_element_active
3899        };
3900
3901        h_flex()
3902            .id(id)
3903            .h(self.list_item_height())
3904            .w_full()
3905            .items_center()
3906            .border_1()
3907            .when(selected && self.focus_handle.is_focused(window), |el| {
3908                el.border_color(cx.theme().colors().border_focused)
3909            })
3910            .px(rems(0.75)) // ~12px
3911            .overflow_hidden()
3912            .flex_none()
3913            .gap_1p5()
3914            .bg(base_bg)
3915            .hover(|this| this.bg(hover_bg))
3916            .active(|this| this.bg(active_bg))
3917            .on_click({
3918                cx.listener(move |this, event: &ClickEvent, window, cx| {
3919                    this.selected_entry = Some(ix);
3920                    cx.notify();
3921                    if event.modifiers().secondary() {
3922                        this.open_file(&Default::default(), window, cx)
3923                    } else {
3924                        this.open_diff(&Default::default(), window, cx);
3925                        this.focus_handle.focus(window);
3926                    }
3927                })
3928            })
3929            .on_mouse_down(
3930                MouseButton::Right,
3931                move |event: &MouseDownEvent, window, cx| {
3932                    // why isn't this happening automatically? we are passing MouseButton::Right to `on_mouse_down`?
3933                    if event.button != MouseButton::Right {
3934                        return;
3935                    }
3936
3937                    let Some(this) = handle.upgrade() else {
3938                        return;
3939                    };
3940                    this.update(cx, |this, cx| {
3941                        this.deploy_entry_context_menu(event.position, ix, window, cx);
3942                    });
3943                    cx.stop_propagation();
3944                },
3945            )
3946            // .on_secondary_mouse_down(cx.listener(
3947            //     move |this, event: &MouseDownEvent, window, cx| {
3948            //         this.deploy_entry_context_menu(event.position, ix, window, cx);
3949            //         cx.stop_propagation();
3950            //     },
3951            // ))
3952            .child(
3953                div()
3954                    .id(checkbox_wrapper_id)
3955                    .flex_none()
3956                    .occlude()
3957                    .cursor_pointer()
3958                    .child(
3959                        Checkbox::new(checkbox_id, is_staged)
3960                            .disabled(!has_write_access)
3961                            .fill()
3962                            .elevation(ElevationIndex::Surface)
3963                            .on_click({
3964                                let entry = entry.clone();
3965                                cx.listener(move |this, _, window, cx| {
3966                                    if !has_write_access {
3967                                        return;
3968                                    }
3969                                    this.toggle_staged_for_entry(
3970                                        &GitListEntry::GitStatusEntry(entry.clone()),
3971                                        window,
3972                                        cx,
3973                                    );
3974                                    cx.stop_propagation();
3975                                })
3976                            })
3977                            .tooltip(move |window, cx| {
3978                                let is_staged = entry_staging.is_fully_staged();
3979
3980                                let action = if is_staged { "Unstage" } else { "Stage" };
3981                                let tooltip_name = if shift_held {
3982                                    format!("{} section", action)
3983                                } else {
3984                                    action.to_string()
3985                                };
3986
3987                                let meta = if shift_held {
3988                                    format!(
3989                                        "Release shift to {} single entry",
3990                                        action.to_lowercase()
3991                                    )
3992                                } else {
3993                                    format!("Shift click to {} section", action.to_lowercase())
3994                                };
3995
3996                                Tooltip::with_meta(
3997                                    tooltip_name,
3998                                    Some(&ToggleStaged),
3999                                    meta,
4000                                    window,
4001                                    cx,
4002                                )
4003                            }),
4004                    ),
4005            )
4006            .child(git_status_icon(status))
4007            .child(
4008                h_flex()
4009                    .items_center()
4010                    .flex_1()
4011                    // .overflow_hidden()
4012                    .when_some(entry.parent_dir(), |this, parent| {
4013                        if !parent.is_empty() {
4014                            this.child(
4015                                self.entry_label(format!("{}/", parent), path_color)
4016                                    .when(status.is_deleted(), |this| this.strikethrough()),
4017                            )
4018                        } else {
4019                            this
4020                        }
4021                    })
4022                    .child(
4023                        self.entry_label(display_name.clone(), label_color)
4024                            .when(status.is_deleted(), |this| this.strikethrough()),
4025                    ),
4026            )
4027            .into_any_element()
4028    }
4029
4030    fn has_write_access(&self, cx: &App) -> bool {
4031        !self.project.read(cx).is_read_only(cx)
4032    }
4033
4034    pub fn amend_pending(&self) -> bool {
4035        self.amend_pending
4036    }
4037
4038    pub fn set_amend_pending(&mut self, value: bool, cx: &mut Context<Self>) {
4039        self.amend_pending = value;
4040        cx.notify();
4041    }
4042}
4043
4044fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn LanguageModel>> {
4045    assistant_settings::AssistantSettings::get_global(cx)
4046        .enabled
4047        .then(|| {
4048            let ConfiguredModel { provider, model } =
4049                LanguageModelRegistry::read_global(cx).commit_message_model()?;
4050
4051            provider.is_authenticated(cx).then(|| model)
4052        })
4053        .flatten()
4054}
4055
4056impl Render for GitPanel {
4057    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4058        let project = self.project.read(cx);
4059        let has_entries = self.entries.len() > 0;
4060        let room = self
4061            .workspace
4062            .upgrade()
4063            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned());
4064
4065        let has_write_access = self.has_write_access(cx);
4066
4067        let has_co_authors = room.map_or(false, |room| {
4068            room.read(cx)
4069                .remote_participants()
4070                .values()
4071                .any(|remote_participant| remote_participant.can_write())
4072        });
4073
4074        v_flex()
4075            .id("git_panel")
4076            .key_context(self.dispatch_context(window, cx))
4077            .track_focus(&self.focus_handle)
4078            .on_modifiers_changed(cx.listener(Self::handle_modifiers_changed))
4079            .when(has_write_access && !project.is_read_only(cx), |this| {
4080                this.on_action(cx.listener(Self::toggle_staged_for_selected))
4081                    .on_action(cx.listener(GitPanel::commit))
4082                    .on_action(cx.listener(GitPanel::amend))
4083                    .on_action(cx.listener(GitPanel::cancel))
4084                    .on_action(cx.listener(Self::stage_all))
4085                    .on_action(cx.listener(Self::unstage_all))
4086                    .on_action(cx.listener(Self::stage_selected))
4087                    .on_action(cx.listener(Self::unstage_selected))
4088                    .on_action(cx.listener(Self::restore_tracked_files))
4089                    .on_action(cx.listener(Self::revert_selected))
4090                    .on_action(cx.listener(Self::clean_all))
4091                    .on_action(cx.listener(Self::generate_commit_message_action))
4092            })
4093            .on_action(cx.listener(Self::select_first))
4094            .on_action(cx.listener(Self::select_next))
4095            .on_action(cx.listener(Self::select_previous))
4096            .on_action(cx.listener(Self::select_last))
4097            .on_action(cx.listener(Self::close_panel))
4098            .on_action(cx.listener(Self::open_diff))
4099            .on_action(cx.listener(Self::open_file))
4100            .on_action(cx.listener(Self::focus_changes_list))
4101            .on_action(cx.listener(Self::focus_editor))
4102            .on_action(cx.listener(Self::expand_commit_editor))
4103            .when(has_write_access && has_co_authors, |git_panel| {
4104                git_panel.on_action(cx.listener(Self::toggle_fill_co_authors))
4105            })
4106            .on_hover(cx.listener(move |this, hovered, window, cx| {
4107                if *hovered {
4108                    this.horizontal_scrollbar.show(cx);
4109                    this.vertical_scrollbar.show(cx);
4110                    cx.notify();
4111                } else if !this.focus_handle.contains_focused(window, cx) {
4112                    this.hide_scrollbars(window, cx);
4113                }
4114            }))
4115            .size_full()
4116            .overflow_hidden()
4117            .bg(cx.theme().colors().panel_background)
4118            .child(
4119                v_flex()
4120                    .size_full()
4121                    .children(self.render_panel_header(window, cx))
4122                    .map(|this| {
4123                        if has_entries {
4124                            this.child(self.render_entries(has_write_access, window, cx))
4125                        } else {
4126                            this.child(self.render_empty_state(cx).into_any_element())
4127                        }
4128                    })
4129                    .children(self.render_footer(window, cx))
4130                    .when(self.amend_pending, |this| {
4131                        this.child(self.render_pending_amend(cx))
4132                    })
4133                    .when(!self.amend_pending, |this| {
4134                        this.children(self.render_previous_commit(cx))
4135                    })
4136                    .into_any_element(),
4137            )
4138            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
4139                deferred(
4140                    anchored()
4141                        .position(*position)
4142                        .anchor(Corner::TopLeft)
4143                        .child(menu.clone()),
4144                )
4145                .with_priority(1)
4146            }))
4147    }
4148}
4149
4150impl Focusable for GitPanel {
4151    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
4152        if self.entries.is_empty() {
4153            self.commit_editor.focus_handle(cx)
4154        } else {
4155            self.focus_handle.clone()
4156        }
4157    }
4158}
4159
4160impl EventEmitter<Event> for GitPanel {}
4161
4162impl EventEmitter<PanelEvent> for GitPanel {}
4163
4164pub(crate) struct GitPanelAddon {
4165    pub(crate) workspace: WeakEntity<Workspace>,
4166}
4167
4168impl editor::Addon for GitPanelAddon {
4169    fn to_any(&self) -> &dyn std::any::Any {
4170        self
4171    }
4172
4173    fn render_buffer_header_controls(
4174        &self,
4175        excerpt_info: &ExcerptInfo,
4176        window: &Window,
4177        cx: &App,
4178    ) -> Option<AnyElement> {
4179        let file = excerpt_info.buffer.file()?;
4180        let git_panel = self.workspace.upgrade()?.read(cx).panel::<GitPanel>(cx)?;
4181
4182        git_panel
4183            .read(cx)
4184            .render_buffer_header_controls(&git_panel, &file, window, cx)
4185    }
4186}
4187
4188impl Panel for GitPanel {
4189    fn persistent_name() -> &'static str {
4190        "GitPanel"
4191    }
4192
4193    fn position(&self, _: &Window, cx: &App) -> DockPosition {
4194        GitPanelSettings::get_global(cx).dock
4195    }
4196
4197    fn position_is_valid(&self, position: DockPosition) -> bool {
4198        matches!(position, DockPosition::Left | DockPosition::Right)
4199    }
4200
4201    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
4202        settings::update_settings_file::<GitPanelSettings>(
4203            self.fs.clone(),
4204            cx,
4205            move |settings, _| settings.dock = Some(position),
4206        );
4207    }
4208
4209    fn size(&self, _: &Window, cx: &App) -> Pixels {
4210        self.width
4211            .unwrap_or_else(|| GitPanelSettings::get_global(cx).default_width)
4212    }
4213
4214    fn set_size(&mut self, size: Option<Pixels>, _: &mut Window, cx: &mut Context<Self>) {
4215        self.width = size;
4216        self.serialize(cx);
4217        cx.notify();
4218    }
4219
4220    fn icon(&self, _: &Window, cx: &App) -> Option<ui::IconName> {
4221        Some(ui::IconName::GitBranchSmall).filter(|_| GitPanelSettings::get_global(cx).button)
4222    }
4223
4224    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
4225        Some("Git Panel")
4226    }
4227
4228    fn toggle_action(&self) -> Box<dyn Action> {
4229        Box::new(ToggleFocus)
4230    }
4231
4232    fn activation_priority(&self) -> u32 {
4233        2
4234    }
4235}
4236
4237impl PanelHeader for GitPanel {}
4238
4239struct GitPanelMessageTooltip {
4240    commit_tooltip: Option<Entity<CommitTooltip>>,
4241}
4242
4243impl GitPanelMessageTooltip {
4244    fn new(
4245        git_panel: Entity<GitPanel>,
4246        sha: SharedString,
4247        repository: Entity<Repository>,
4248        window: &mut Window,
4249        cx: &mut App,
4250    ) -> Entity<Self> {
4251        cx.new(|cx| {
4252            cx.spawn_in(window, async move |this, cx| {
4253                let (details, workspace) = git_panel.update(cx, |git_panel, cx| {
4254                    (
4255                        git_panel.load_commit_details(sha.to_string(), cx),
4256                        git_panel.workspace.clone(),
4257                    )
4258                })?;
4259                let details = details.await?;
4260
4261                let commit_details = crate::commit_tooltip::CommitDetails {
4262                    sha: details.sha.clone(),
4263                    author_name: details.author_name.clone(),
4264                    author_email: details.author_email.clone(),
4265                    commit_time: OffsetDateTime::from_unix_timestamp(details.commit_timestamp)?,
4266                    message: Some(ParsedCommitMessage {
4267                        message: details.message.clone(),
4268                        ..Default::default()
4269                    }),
4270                };
4271
4272                this.update(cx, |this: &mut GitPanelMessageTooltip, cx| {
4273                    this.commit_tooltip = Some(cx.new(move |cx| {
4274                        CommitTooltip::new(commit_details, repository, workspace, cx)
4275                    }));
4276                    cx.notify();
4277                })
4278            })
4279            .detach();
4280
4281            Self {
4282                commit_tooltip: None,
4283            }
4284        })
4285    }
4286}
4287
4288impl Render for GitPanelMessageTooltip {
4289    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4290        if let Some(commit_tooltip) = &self.commit_tooltip {
4291            commit_tooltip.clone().into_any_element()
4292        } else {
4293            gpui::Empty.into_any_element()
4294        }
4295    }
4296}
4297
4298#[derive(IntoElement, RegisterComponent)]
4299pub struct PanelRepoFooter {
4300    active_repository: SharedString,
4301    branch: Option<Branch>,
4302    head_commit: Option<CommitDetails>,
4303
4304    // Getting a GitPanel in previews will be difficult.
4305    //
4306    // For now just take an option here, and we won't bind handlers to buttons in previews.
4307    git_panel: Option<Entity<GitPanel>>,
4308}
4309
4310impl PanelRepoFooter {
4311    pub fn new(
4312        active_repository: SharedString,
4313        branch: Option<Branch>,
4314        head_commit: Option<CommitDetails>,
4315        git_panel: Option<Entity<GitPanel>>,
4316    ) -> Self {
4317        Self {
4318            active_repository,
4319            branch,
4320            head_commit,
4321            git_panel,
4322        }
4323    }
4324
4325    pub fn new_preview(active_repository: SharedString, branch: Option<Branch>) -> Self {
4326        Self {
4327            active_repository,
4328            branch,
4329            head_commit: None,
4330            git_panel: None,
4331        }
4332    }
4333}
4334
4335impl RenderOnce for PanelRepoFooter {
4336    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
4337        let project = self
4338            .git_panel
4339            .as_ref()
4340            .map(|panel| panel.read(cx).project.clone());
4341
4342        let repo = self
4343            .git_panel
4344            .as_ref()
4345            .and_then(|panel| panel.read(cx).active_repository.clone());
4346
4347        let single_repo = project
4348            .as_ref()
4349            .map(|project| project.read(cx).git_store().read(cx).repositories().len() == 1)
4350            .unwrap_or(true);
4351
4352        const MAX_BRANCH_LEN: usize = 16;
4353        const MAX_REPO_LEN: usize = 16;
4354        const LABEL_CHARACTER_BUDGET: usize = MAX_BRANCH_LEN + MAX_REPO_LEN;
4355        const MAX_SHORT_SHA_LEN: usize = 8;
4356
4357        let branch_name = self
4358            .branch
4359            .as_ref()
4360            .map(|branch| branch.name.clone())
4361            .or_else(|| {
4362                self.head_commit.as_ref().map(|commit| {
4363                    SharedString::from(
4364                        commit
4365                            .sha
4366                            .chars()
4367                            .take(MAX_SHORT_SHA_LEN)
4368                            .collect::<String>(),
4369                    )
4370                })
4371            })
4372            .unwrap_or_else(|| SharedString::from(" (no branch)"));
4373        let show_separator = self.branch.is_some() || self.head_commit.is_some();
4374
4375        let active_repo_name = self.active_repository.clone();
4376
4377        let branch_actual_len = branch_name.len();
4378        let repo_actual_len = active_repo_name.len();
4379
4380        // ideally, show the whole branch and repo names but
4381        // when we can't, use a budget to allocate space between the two
4382        let (repo_display_len, branch_display_len) = if branch_actual_len + repo_actual_len
4383            <= LABEL_CHARACTER_BUDGET
4384        {
4385            (repo_actual_len, branch_actual_len)
4386        } else {
4387            if branch_actual_len <= MAX_BRANCH_LEN {
4388                let repo_space = (LABEL_CHARACTER_BUDGET - branch_actual_len).min(MAX_REPO_LEN);
4389                (repo_space, branch_actual_len)
4390            } else if repo_actual_len <= MAX_REPO_LEN {
4391                let branch_space = (LABEL_CHARACTER_BUDGET - repo_actual_len).min(MAX_BRANCH_LEN);
4392                (repo_actual_len, branch_space)
4393            } else {
4394                (MAX_REPO_LEN, MAX_BRANCH_LEN)
4395            }
4396        };
4397
4398        let truncated_repo_name = if repo_actual_len <= repo_display_len {
4399            active_repo_name.to_string()
4400        } else {
4401            util::truncate_and_trailoff(active_repo_name.trim_ascii(), repo_display_len)
4402        };
4403
4404        let truncated_branch_name = if branch_actual_len <= branch_display_len {
4405            branch_name.to_string()
4406        } else {
4407            util::truncate_and_trailoff(branch_name.trim_ascii(), branch_display_len)
4408        };
4409
4410        let repo_selector_trigger = Button::new("repo-selector", truncated_repo_name)
4411            .style(ButtonStyle::Transparent)
4412            .size(ButtonSize::None)
4413            .label_size(LabelSize::Small)
4414            .color(Color::Muted);
4415
4416        let repo_selector = PopoverMenu::new("repository-switcher")
4417            .menu({
4418                let project = project.clone();
4419                move |window, cx| {
4420                    let project = project.clone()?;
4421                    Some(cx.new(|cx| RepositorySelector::new(project, rems(16.), window, cx)))
4422                }
4423            })
4424            .trigger_with_tooltip(
4425                repo_selector_trigger.disabled(single_repo).truncate(true),
4426                Tooltip::text("Switch active repository"),
4427            )
4428            .anchor(Corner::BottomLeft)
4429            .into_any_element();
4430
4431        let branch_selector_button = Button::new("branch-selector", truncated_branch_name)
4432            .style(ButtonStyle::Transparent)
4433            .size(ButtonSize::None)
4434            .label_size(LabelSize::Small)
4435            .truncate(true)
4436            .tooltip(Tooltip::for_action_title(
4437                "Switch Branch",
4438                &zed_actions::git::Switch,
4439            ))
4440            .on_click(|_, window, cx| {
4441                window.dispatch_action(zed_actions::git::Switch.boxed_clone(), cx);
4442            });
4443
4444        let branch_selector = PopoverMenu::new("popover-button")
4445            .menu(move |window, cx| Some(branch_picker::popover(repo.clone(), window, cx)))
4446            .trigger_with_tooltip(
4447                branch_selector_button,
4448                Tooltip::for_action_title("Switch Branch", &zed_actions::git::Switch),
4449            )
4450            .anchor(Corner::BottomLeft)
4451            .offset(gpui::Point {
4452                x: px(0.0),
4453                y: px(-2.0),
4454            });
4455
4456        h_flex()
4457            .w_full()
4458            .px_2()
4459            .h(px(36.))
4460            .items_center()
4461            .justify_between()
4462            .gap_1()
4463            .child(
4464                h_flex()
4465                    .flex_1()
4466                    .overflow_hidden()
4467                    .items_center()
4468                    .child(
4469                        div().child(
4470                            Icon::new(IconName::GitBranchSmall)
4471                                .size(IconSize::Small)
4472                                .color(if single_repo {
4473                                    Color::Disabled
4474                                } else {
4475                                    Color::Muted
4476                                }),
4477                        ),
4478                    )
4479                    .child(repo_selector)
4480                    .when(show_separator, |this| {
4481                        this.child(
4482                            div()
4483                                .text_color(cx.theme().colors().text_muted)
4484                                .text_sm()
4485                                .child("/"),
4486                        )
4487                    })
4488                    .child(branch_selector),
4489            )
4490            .children(if let Some(git_panel) = self.git_panel {
4491                git_panel.update(cx, |git_panel, cx| git_panel.render_remote_button(cx))
4492            } else {
4493                None
4494            })
4495    }
4496}
4497
4498impl Component for PanelRepoFooter {
4499    fn scope() -> ComponentScope {
4500        ComponentScope::VersionControl
4501    }
4502
4503    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
4504        let unknown_upstream = None;
4505        let no_remote_upstream = Some(UpstreamTracking::Gone);
4506        let ahead_of_upstream = Some(
4507            UpstreamTrackingStatus {
4508                ahead: 2,
4509                behind: 0,
4510            }
4511            .into(),
4512        );
4513        let behind_upstream = Some(
4514            UpstreamTrackingStatus {
4515                ahead: 0,
4516                behind: 2,
4517            }
4518            .into(),
4519        );
4520        let ahead_and_behind_upstream = Some(
4521            UpstreamTrackingStatus {
4522                ahead: 3,
4523                behind: 1,
4524            }
4525            .into(),
4526        );
4527
4528        let not_ahead_or_behind_upstream = Some(
4529            UpstreamTrackingStatus {
4530                ahead: 0,
4531                behind: 0,
4532            }
4533            .into(),
4534        );
4535
4536        fn branch(upstream: Option<UpstreamTracking>) -> Branch {
4537            Branch {
4538                is_head: true,
4539                name: "some-branch".into(),
4540                upstream: upstream.map(|tracking| Upstream {
4541                    ref_name: "origin/some-branch".into(),
4542                    tracking,
4543                }),
4544                most_recent_commit: Some(CommitSummary {
4545                    sha: "abc123".into(),
4546                    subject: "Modify stuff".into(),
4547                    commit_timestamp: 1710932954,
4548                    has_parent: true,
4549                }),
4550            }
4551        }
4552
4553        fn custom(branch_name: &str, upstream: Option<UpstreamTracking>) -> Branch {
4554            Branch {
4555                is_head: true,
4556                name: branch_name.to_string().into(),
4557                upstream: upstream.map(|tracking| Upstream {
4558                    ref_name: format!("zed/{}", branch_name).into(),
4559                    tracking,
4560                }),
4561                most_recent_commit: Some(CommitSummary {
4562                    sha: "abc123".into(),
4563                    subject: "Modify stuff".into(),
4564                    commit_timestamp: 1710932954,
4565                    has_parent: true,
4566                }),
4567            }
4568        }
4569
4570        fn active_repository(id: usize) -> SharedString {
4571            format!("repo-{}", id).into()
4572        }
4573
4574        let example_width = px(340.);
4575        Some(
4576            v_flex()
4577                .gap_6()
4578                .w_full()
4579                .flex_none()
4580                .children(vec![
4581                    example_group_with_title(
4582                        "Action Button States",
4583                        vec![
4584                            single_example(
4585                                "No Branch",
4586                                div()
4587                                    .w(example_width)
4588                                    .overflow_hidden()
4589                                    .child(PanelRepoFooter::new_preview(
4590                                        active_repository(1).clone(),
4591                                        None,
4592                                    ))
4593                                    .into_any_element(),
4594                            ),
4595                            single_example(
4596                                "Remote status unknown",
4597                                div()
4598                                    .w(example_width)
4599                                    .overflow_hidden()
4600                                    .child(PanelRepoFooter::new_preview(
4601                                        active_repository(2).clone(),
4602                                        Some(branch(unknown_upstream)),
4603                                    ))
4604                                    .into_any_element(),
4605                            ),
4606                            single_example(
4607                                "No Remote Upstream",
4608                                div()
4609                                    .w(example_width)
4610                                    .overflow_hidden()
4611                                    .child(PanelRepoFooter::new_preview(
4612                                        active_repository(3).clone(),
4613                                        Some(branch(no_remote_upstream)),
4614                                    ))
4615                                    .into_any_element(),
4616                            ),
4617                            single_example(
4618                                "Not Ahead or Behind",
4619                                div()
4620                                    .w(example_width)
4621                                    .overflow_hidden()
4622                                    .child(PanelRepoFooter::new_preview(
4623                                        active_repository(4).clone(),
4624                                        Some(branch(not_ahead_or_behind_upstream)),
4625                                    ))
4626                                    .into_any_element(),
4627                            ),
4628                            single_example(
4629                                "Behind remote",
4630                                div()
4631                                    .w(example_width)
4632                                    .overflow_hidden()
4633                                    .child(PanelRepoFooter::new_preview(
4634                                        active_repository(5).clone(),
4635                                        Some(branch(behind_upstream)),
4636                                    ))
4637                                    .into_any_element(),
4638                            ),
4639                            single_example(
4640                                "Ahead of remote",
4641                                div()
4642                                    .w(example_width)
4643                                    .overflow_hidden()
4644                                    .child(PanelRepoFooter::new_preview(
4645                                        active_repository(6).clone(),
4646                                        Some(branch(ahead_of_upstream)),
4647                                    ))
4648                                    .into_any_element(),
4649                            ),
4650                            single_example(
4651                                "Ahead and behind remote",
4652                                div()
4653                                    .w(example_width)
4654                                    .overflow_hidden()
4655                                    .child(PanelRepoFooter::new_preview(
4656                                        active_repository(7).clone(),
4657                                        Some(branch(ahead_and_behind_upstream)),
4658                                    ))
4659                                    .into_any_element(),
4660                            ),
4661                        ],
4662                    )
4663                    .grow()
4664                    .vertical(),
4665                ])
4666                .children(vec![
4667                    example_group_with_title(
4668                        "Labels",
4669                        vec![
4670                            single_example(
4671                                "Short Branch & Repo",
4672                                div()
4673                                    .w(example_width)
4674                                    .overflow_hidden()
4675                                    .child(PanelRepoFooter::new_preview(
4676                                        SharedString::from("zed"),
4677                                        Some(custom("main", behind_upstream)),
4678                                    ))
4679                                    .into_any_element(),
4680                            ),
4681                            single_example(
4682                                "Long Branch",
4683                                div()
4684                                    .w(example_width)
4685                                    .overflow_hidden()
4686                                    .child(PanelRepoFooter::new_preview(
4687                                        SharedString::from("zed"),
4688                                        Some(custom(
4689                                            "redesign-and-update-git-ui-list-entry-style",
4690                                            behind_upstream,
4691                                        )),
4692                                    ))
4693                                    .into_any_element(),
4694                            ),
4695                            single_example(
4696                                "Long Repo",
4697                                div()
4698                                    .w(example_width)
4699                                    .overflow_hidden()
4700                                    .child(PanelRepoFooter::new_preview(
4701                                        SharedString::from("zed-industries-community-examples"),
4702                                        Some(custom("gpui", ahead_of_upstream)),
4703                                    ))
4704                                    .into_any_element(),
4705                            ),
4706                            single_example(
4707                                "Long Repo & Branch",
4708                                div()
4709                                    .w(example_width)
4710                                    .overflow_hidden()
4711                                    .child(PanelRepoFooter::new_preview(
4712                                        SharedString::from("zed-industries-community-examples"),
4713                                        Some(custom(
4714                                            "redesign-and-update-git-ui-list-entry-style",
4715                                            behind_upstream,
4716                                        )),
4717                                    ))
4718                                    .into_any_element(),
4719                            ),
4720                            single_example(
4721                                "Uppercase Repo",
4722                                div()
4723                                    .w(example_width)
4724                                    .overflow_hidden()
4725                                    .child(PanelRepoFooter::new_preview(
4726                                        SharedString::from("LICENSES"),
4727                                        Some(custom("main", ahead_of_upstream)),
4728                                    ))
4729                                    .into_any_element(),
4730                            ),
4731                            single_example(
4732                                "Uppercase Branch",
4733                                div()
4734                                    .w(example_width)
4735                                    .overflow_hidden()
4736                                    .child(PanelRepoFooter::new_preview(
4737                                        SharedString::from("zed"),
4738                                        Some(custom("update-README", behind_upstream)),
4739                                    ))
4740                                    .into_any_element(),
4741                            ),
4742                        ],
4743                    )
4744                    .grow()
4745                    .vertical(),
4746                ])
4747                .into_any_element(),
4748        )
4749    }
4750}
4751
4752#[cfg(test)]
4753mod tests {
4754    use git::status::StatusCode;
4755    use gpui::TestAppContext;
4756    use project::{FakeFs, WorktreeSettings};
4757    use serde_json::json;
4758    use settings::SettingsStore;
4759    use theme::LoadThemes;
4760    use util::path;
4761
4762    use super::*;
4763
4764    fn init_test(cx: &mut gpui::TestAppContext) {
4765        if std::env::var("RUST_LOG").is_ok() {
4766            env_logger::try_init().ok();
4767        }
4768
4769        cx.update(|cx| {
4770            let settings_store = SettingsStore::test(cx);
4771            cx.set_global(settings_store);
4772            AssistantSettings::register(cx);
4773            WorktreeSettings::register(cx);
4774            workspace::init_settings(cx);
4775            theme::init(LoadThemes::JustBase, cx);
4776            language::init(cx);
4777            editor::init(cx);
4778            Project::init_settings(cx);
4779            crate::init(cx);
4780        });
4781    }
4782
4783    #[gpui::test]
4784    async fn test_entry_worktree_paths(cx: &mut TestAppContext) {
4785        init_test(cx);
4786        let fs = FakeFs::new(cx.background_executor.clone());
4787        fs.insert_tree(
4788            "/root",
4789            json!({
4790                "zed": {
4791                    ".git": {},
4792                    "crates": {
4793                        "gpui": {
4794                            "gpui.rs": "fn main() {}"
4795                        },
4796                        "util": {
4797                            "util.rs": "fn do_it() {}"
4798                        }
4799                    }
4800                },
4801            }),
4802        )
4803        .await;
4804
4805        fs.set_status_for_repo(
4806            Path::new(path!("/root/zed/.git")),
4807            &[
4808                (
4809                    Path::new("crates/gpui/gpui.rs"),
4810                    StatusCode::Modified.worktree(),
4811                ),
4812                (
4813                    Path::new("crates/util/util.rs"),
4814                    StatusCode::Modified.worktree(),
4815                ),
4816            ],
4817        );
4818
4819        let project =
4820            Project::test(fs.clone(), [path!("/root/zed/crates/gpui").as_ref()], cx).await;
4821        let (workspace, cx) =
4822            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4823
4824        cx.read(|cx| {
4825            project
4826                .read(cx)
4827                .worktrees(cx)
4828                .nth(0)
4829                .unwrap()
4830                .read(cx)
4831                .as_local()
4832                .unwrap()
4833                .scan_complete()
4834        })
4835        .await;
4836
4837        cx.executor().run_until_parked();
4838
4839        let app_state = workspace.update(cx, |workspace, _| workspace.app_state().clone());
4840        let panel = cx.new_window_entity(|window, cx| {
4841            GitPanel::new(workspace.clone(), project.clone(), app_state, window, cx)
4842        });
4843
4844        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4845            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4846        });
4847        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4848        handle.await;
4849
4850        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4851        pretty_assertions::assert_eq!(
4852            entries,
4853            [
4854                GitListEntry::Header(GitHeaderEntry {
4855                    header: Section::Tracked
4856                }),
4857                GitListEntry::GitStatusEntry(GitStatusEntry {
4858                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4859                    repo_path: "crates/gpui/gpui.rs".into(),
4860                    status: StatusCode::Modified.worktree(),
4861                    staging: StageStatus::Unstaged,
4862                }),
4863                GitListEntry::GitStatusEntry(GitStatusEntry {
4864                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4865                    repo_path: "crates/util/util.rs".into(),
4866                    status: StatusCode::Modified.worktree(),
4867                    staging: StageStatus::Unstaged,
4868                },),
4869            ],
4870        );
4871
4872        // TODO(cole) restore this once repository deduplication is implemented properly.
4873        //cx.update_window_entity(&panel, |panel, window, cx| {
4874        //    panel.select_last(&Default::default(), window, cx);
4875        //    assert_eq!(panel.selected_entry, Some(2));
4876        //    panel.open_diff(&Default::default(), window, cx);
4877        //});
4878        //cx.run_until_parked();
4879
4880        //let worktree_roots = workspace.update(cx, |workspace, cx| {
4881        //    workspace
4882        //        .worktrees(cx)
4883        //        .map(|worktree| worktree.read(cx).abs_path())
4884        //        .collect::<Vec<_>>()
4885        //});
4886        //pretty_assertions::assert_eq!(
4887        //    worktree_roots,
4888        //    vec![
4889        //        Path::new(path!("/root/zed/crates/gpui")).into(),
4890        //        Path::new(path!("/root/zed/crates/util/util.rs")).into(),
4891        //    ]
4892        //);
4893
4894        //project.update(cx, |project, cx| {
4895        //    let git_store = project.git_store().read(cx);
4896        //    // The repo that comes from the single-file worktree can't be selected through the UI.
4897        //    let filtered_entries = filtered_repository_entries(git_store, cx)
4898        //        .iter()
4899        //        .map(|repo| repo.read(cx).worktree_abs_path.clone())
4900        //        .collect::<Vec<_>>();
4901        //    assert_eq!(
4902        //        filtered_entries,
4903        //        [Path::new(path!("/root/zed/crates/gpui")).into()]
4904        //    );
4905        //    // But we can select it artificially here.
4906        //    let repo_from_single_file_worktree = git_store
4907        //        .repositories()
4908        //        .values()
4909        //        .find(|repo| {
4910        //            repo.read(cx).worktree_abs_path.as_ref()
4911        //                == Path::new(path!("/root/zed/crates/util/util.rs"))
4912        //        })
4913        //        .unwrap()
4914        //        .clone();
4915
4916        //    // Paths still make sense when we somehow activate a repo that comes from a single-file worktree.
4917        //    repo_from_single_file_worktree.update(cx, |repo, cx| repo.set_as_active_repository(cx));
4918        //});
4919
4920        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4921            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4922        });
4923        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4924        handle.await;
4925        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4926        pretty_assertions::assert_eq!(
4927            entries,
4928            [
4929                GitListEntry::Header(GitHeaderEntry {
4930                    header: Section::Tracked
4931                }),
4932                GitListEntry::GitStatusEntry(GitStatusEntry {
4933                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4934                    repo_path: "crates/gpui/gpui.rs".into(),
4935                    status: StatusCode::Modified.worktree(),
4936                    staging: StageStatus::Unstaged,
4937                }),
4938                GitListEntry::GitStatusEntry(GitStatusEntry {
4939                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4940                    repo_path: "crates/util/util.rs".into(),
4941                    status: StatusCode::Modified.worktree(),
4942                    staging: StageStatus::Unstaged,
4943                },),
4944            ],
4945        );
4946    }
4947}