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::Context as _;
  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                            .into_iter()
1055                            .map(|entries| entries.repo_path)
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 = anyhow::Result<bool>> + use<> {
1630        let repo = self.active_repository.clone();
1631        let mut cx = window.to_async(cx);
1632
1633        async move {
1634            let repo = repo.context("No active repository")?;
1635
1636            let pushed_to: Vec<SharedString> = repo
1637                .update(&mut cx, |repo, _| repo.check_for_pushed_commits())?
1638                .await??;
1639
1640            if pushed_to.is_empty() {
1641                Ok(true)
1642            } else {
1643                #[derive(strum::EnumIter, strum::VariantNames)]
1644                #[strum(serialize_all = "title_case")]
1645                enum CancelUncommit {
1646                    Uncommit,
1647                    Cancel,
1648                }
1649                let detail = format!(
1650                    "This commit was already pushed to {}.",
1651                    pushed_to.into_iter().join(", ")
1652                );
1653                let result = cx
1654                    .update(|window, cx| prompt("Are you sure?", Some(&detail), window, cx))?
1655                    .await?;
1656
1657                match result {
1658                    CancelUncommit::Cancel => Ok(false),
1659                    CancelUncommit::Uncommit => Ok(true),
1660                }
1661            }
1662        }
1663    }
1664
1665    /// Suggests a commit message based on the changed files and their statuses
1666    pub fn suggest_commit_message(&self, cx: &App) -> Option<String> {
1667        if let Some(merge_message) = self
1668            .active_repository
1669            .as_ref()
1670            .and_then(|repo| repo.read(cx).merge.message.as_ref())
1671        {
1672            return Some(merge_message.to_string());
1673        }
1674
1675        let git_status_entry = if let Some(staged_entry) = &self.single_staged_entry {
1676            Some(staged_entry)
1677        } else if let Some(single_tracked_entry) = &self.single_tracked_entry {
1678            Some(single_tracked_entry)
1679        } else {
1680            None
1681        }?;
1682
1683        let action_text = if git_status_entry.status.is_deleted() {
1684            Some("Delete")
1685        } else if git_status_entry.status.is_created() {
1686            Some("Create")
1687        } else if git_status_entry.status.is_modified() {
1688            Some("Update")
1689        } else {
1690            None
1691        }?;
1692
1693        let file_name = git_status_entry
1694            .repo_path
1695            .file_name()
1696            .unwrap_or_default()
1697            .to_string_lossy();
1698
1699        Some(format!("{} {}", action_text, file_name))
1700    }
1701
1702    fn generate_commit_message_action(
1703        &mut self,
1704        _: &git::GenerateCommitMessage,
1705        _window: &mut Window,
1706        cx: &mut Context<Self>,
1707    ) {
1708        self.generate_commit_message(cx);
1709    }
1710
1711    /// Generates a commit message using an LLM.
1712    pub fn generate_commit_message(&mut self, cx: &mut Context<Self>) {
1713        if !self.can_commit() {
1714            return;
1715        }
1716
1717        let model = match current_language_model(cx) {
1718            Some(value) => value,
1719            None => return,
1720        };
1721
1722        let Some(repo) = self.active_repository.as_ref() else {
1723            return;
1724        };
1725
1726        telemetry::event!("Git Commit Message Generated");
1727
1728        let diff = repo.update(cx, |repo, cx| {
1729            if self.has_staged_changes() {
1730                repo.diff(DiffType::HeadToIndex, cx)
1731            } else {
1732                repo.diff(DiffType::HeadToWorktree, cx)
1733            }
1734        });
1735
1736        let temperature = AssistantSettings::temperature_for_model(&model, cx);
1737
1738        self.generate_commit_message_task = Some(cx.spawn(async move |this, cx| {
1739             async move {
1740                let _defer = cx.on_drop(&this, |this, _cx| {
1741                    this.generate_commit_message_task.take();
1742                });
1743
1744                let mut diff_text = diff.await??;
1745
1746                const ONE_MB: usize = 1_000_000;
1747                if diff_text.len() > ONE_MB {
1748                    diff_text = diff_text.chars().take(ONE_MB).collect()
1749                }
1750
1751                let subject = this.update(cx, |this, cx| {
1752                    this.commit_editor.read(cx).text(cx).lines().next().map(ToOwned::to_owned).unwrap_or_default()
1753                })?;
1754
1755                let text_empty = subject.trim().is_empty();
1756
1757                let content = if text_empty {
1758                    format!("{PROMPT}\nHere are the changes in this commit:\n{diff_text}")
1759                } else {
1760                    format!("{PROMPT}\nHere is the user's subject line:\n{subject}\nHere are the changes in this commit:\n{diff_text}\n")
1761                };
1762
1763                const PROMPT: &str = include_str!("commit_message_prompt.txt");
1764
1765                let request = LanguageModelRequest {
1766                    thread_id: None,
1767                    prompt_id: None,
1768                    mode: None,
1769                    messages: vec![LanguageModelRequestMessage {
1770                        role: Role::User,
1771                        content: vec![content.into()],
1772                        cache: false,
1773                    }],
1774                    tools: Vec::new(),
1775                    tool_choice: None,
1776                    stop: Vec::new(),
1777                    temperature,
1778                };
1779
1780                let stream = model.stream_completion_text(request, &cx);
1781                let mut messages = stream.await?;
1782
1783                if !text_empty {
1784                    this.update(cx, |this, cx| {
1785                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1786                            let insert_position = buffer.anchor_before(buffer.len());
1787                            buffer.edit([(insert_position..insert_position, "\n")], None, cx)
1788                        });
1789                    })?;
1790                }
1791
1792                while let Some(message) = messages.stream.next().await {
1793                    let text = message?;
1794
1795                    this.update(cx, |this, cx| {
1796                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1797                            let insert_position = buffer.anchor_before(buffer.len());
1798                            buffer.edit([(insert_position..insert_position, text)], None, cx);
1799                        });
1800                    })?;
1801                }
1802
1803                anyhow::Ok(())
1804            }
1805            .log_err().await
1806        }));
1807    }
1808
1809    pub(crate) fn fetch(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1810        if !self.can_push_and_pull(cx) {
1811            return;
1812        }
1813
1814        let Some(repo) = self.active_repository.clone() else {
1815            return;
1816        };
1817        telemetry::event!("Git Fetched");
1818        let askpass = self.askpass_delegate("git fetch", window, cx);
1819        let this = cx.weak_entity();
1820        window
1821            .spawn(cx, async move |cx| {
1822                let fetch = repo.update(cx, |repo, cx| repo.fetch(askpass, cx))?;
1823
1824                let remote_message = fetch.await?;
1825                this.update(cx, |this, cx| {
1826                    let action = RemoteAction::Fetch;
1827                    match remote_message {
1828                        Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1829                        Err(e) => {
1830                            log::error!("Error while fetching {:?}", e);
1831                            this.show_error_toast(action.name(), e, cx)
1832                        }
1833                    }
1834
1835                    anyhow::Ok(())
1836                })
1837                .ok();
1838                anyhow::Ok(())
1839            })
1840            .detach_and_log_err(cx);
1841    }
1842
1843    pub(crate) fn git_init(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1844        let worktrees = self
1845            .project
1846            .read(cx)
1847            .visible_worktrees(cx)
1848            .collect::<Vec<_>>();
1849
1850        let worktree = if worktrees.len() == 1 {
1851            Task::ready(Some(worktrees.first().unwrap().clone()))
1852        } else if worktrees.len() == 0 {
1853            let result = window.prompt(
1854                PromptLevel::Warning,
1855                "Unable to initialize a git repository",
1856                Some("Open a directory first"),
1857                &["Ok"],
1858                cx,
1859            );
1860            cx.background_executor()
1861                .spawn(async move {
1862                    result.await.ok();
1863                })
1864                .detach();
1865            return;
1866        } else {
1867            let worktree_directories = worktrees
1868                .iter()
1869                .map(|worktree| worktree.read(cx).abs_path())
1870                .map(|worktree_abs_path| {
1871                    if let Ok(path) = worktree_abs_path.strip_prefix(util::paths::home_dir()) {
1872                        Path::new("~")
1873                            .join(path)
1874                            .to_string_lossy()
1875                            .to_string()
1876                            .into()
1877                    } else {
1878                        worktree_abs_path.to_string_lossy().to_string().into()
1879                    }
1880                })
1881                .collect_vec();
1882            let prompt = picker_prompt::prompt(
1883                "Where would you like to initialize this git repository?",
1884                worktree_directories,
1885                self.workspace.clone(),
1886                window,
1887                cx,
1888            );
1889
1890            cx.spawn(async move |_, _| prompt.await.map(|ix| worktrees[ix].clone()))
1891        };
1892
1893        cx.spawn_in(window, async move |this, cx| {
1894            let worktree = match worktree.await {
1895                Some(worktree) => worktree,
1896                None => {
1897                    return;
1898                }
1899            };
1900
1901            let Ok(result) = this.update(cx, |this, cx| {
1902                let fallback_branch_name = GitPanelSettings::get_global(cx)
1903                    .fallback_branch_name
1904                    .clone();
1905                this.project.read(cx).git_init(
1906                    worktree.read(cx).abs_path(),
1907                    fallback_branch_name,
1908                    cx,
1909                )
1910            }) else {
1911                return;
1912            };
1913
1914            let result = result.await;
1915
1916            this.update_in(cx, |this, _, cx| match result {
1917                Ok(()) => {}
1918                Err(e) => this.show_error_toast("init", e, cx),
1919            })
1920            .ok();
1921        })
1922        .detach();
1923    }
1924
1925    pub(crate) fn pull(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1926        if !self.can_push_and_pull(cx) {
1927            return;
1928        }
1929        let Some(repo) = self.active_repository.clone() else {
1930            return;
1931        };
1932        let Some(branch) = repo.read(cx).branch.as_ref() else {
1933            return;
1934        };
1935        telemetry::event!("Git Pulled");
1936        let branch = branch.clone();
1937        let remote = self.get_current_remote(window, cx);
1938        cx.spawn_in(window, async move |this, cx| {
1939            let remote = match remote.await {
1940                Ok(Some(remote)) => remote,
1941                Ok(None) => {
1942                    return Ok(());
1943                }
1944                Err(e) => {
1945                    log::error!("Failed to get current remote: {}", e);
1946                    this.update(cx, |this, cx| this.show_error_toast("pull", e, cx))
1947                        .ok();
1948                    return Ok(());
1949                }
1950            };
1951
1952            let askpass = this.update_in(cx, |this, window, cx| {
1953                this.askpass_delegate(format!("git pull {}", remote.name), window, cx)
1954            })?;
1955
1956            let pull = repo.update(cx, |repo, cx| {
1957                repo.pull(
1958                    branch.name().to_owned().into(),
1959                    remote.name.clone(),
1960                    askpass,
1961                    cx,
1962                )
1963            })?;
1964
1965            let remote_message = pull.await?;
1966
1967            let action = RemoteAction::Pull(remote);
1968            this.update(cx, |this, cx| match remote_message {
1969                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1970                Err(e) => {
1971                    log::error!("Error while pulling {:?}", e);
1972                    this.show_error_toast(action.name(), e, cx)
1973                }
1974            })
1975            .ok();
1976
1977            anyhow::Ok(())
1978        })
1979        .detach_and_log_err(cx);
1980    }
1981
1982    pub(crate) fn push(&mut self, force_push: bool, window: &mut Window, cx: &mut Context<Self>) {
1983        if !self.can_push_and_pull(cx) {
1984            return;
1985        }
1986        let Some(repo) = self.active_repository.clone() else {
1987            return;
1988        };
1989        let Some(branch) = repo.read(cx).branch.as_ref() else {
1990            return;
1991        };
1992        telemetry::event!("Git Pushed");
1993        let branch = branch.clone();
1994
1995        let options = if force_push {
1996            Some(PushOptions::Force)
1997        } else {
1998            match branch.upstream {
1999                Some(Upstream {
2000                    tracking: UpstreamTracking::Gone,
2001                    ..
2002                })
2003                | None => Some(PushOptions::SetUpstream),
2004                _ => None,
2005            }
2006        };
2007        let remote = self.get_current_remote(window, cx);
2008
2009        cx.spawn_in(window, async move |this, cx| {
2010            let remote = match remote.await {
2011                Ok(Some(remote)) => remote,
2012                Ok(None) => {
2013                    return Ok(());
2014                }
2015                Err(e) => {
2016                    log::error!("Failed to get current remote: {}", e);
2017                    this.update(cx, |this, cx| this.show_error_toast("push", e, cx))
2018                        .ok();
2019                    return Ok(());
2020                }
2021            };
2022
2023            let askpass_delegate = this.update_in(cx, |this, window, cx| {
2024                this.askpass_delegate(format!("git push {}", remote.name), window, cx)
2025            })?;
2026
2027            let push = repo.update(cx, |repo, cx| {
2028                repo.push(
2029                    branch.name().to_owned().into(),
2030                    remote.name.clone(),
2031                    options,
2032                    askpass_delegate,
2033                    cx,
2034                )
2035            })?;
2036
2037            let remote_output = push.await?;
2038
2039            let action = RemoteAction::Push(branch.name().to_owned().into(), remote);
2040            this.update(cx, |this, cx| match remote_output {
2041                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
2042                Err(e) => {
2043                    log::error!("Error while pushing {:?}", e);
2044                    this.show_error_toast(action.name(), e, cx)
2045                }
2046            })?;
2047
2048            anyhow::Ok(())
2049        })
2050        .detach_and_log_err(cx);
2051    }
2052
2053    fn askpass_delegate(
2054        &self,
2055        operation: impl Into<SharedString>,
2056        window: &mut Window,
2057        cx: &mut Context<Self>,
2058    ) -> AskPassDelegate {
2059        let this = cx.weak_entity();
2060        let operation = operation.into();
2061        let window = window.window_handle();
2062        AskPassDelegate::new(&mut cx.to_async(), move |prompt, tx, cx| {
2063            window
2064                .update(cx, |_, window, cx| {
2065                    this.update(cx, |this, cx| {
2066                        this.workspace.update(cx, |workspace, cx| {
2067                            workspace.toggle_modal(window, cx, |window, cx| {
2068                                AskPassModal::new(operation.clone(), prompt.into(), tx, window, cx)
2069                            });
2070                        })
2071                    })
2072                })
2073                .ok();
2074        })
2075    }
2076
2077    fn can_push_and_pull(&self, cx: &App) -> bool {
2078        !self.project.read(cx).is_via_collab()
2079    }
2080
2081    fn get_current_remote(
2082        &mut self,
2083        window: &mut Window,
2084        cx: &mut Context<Self>,
2085    ) -> impl Future<Output = anyhow::Result<Option<Remote>>> + use<> {
2086        let repo = self.active_repository.clone();
2087        let workspace = self.workspace.clone();
2088        let mut cx = window.to_async(cx);
2089
2090        async move {
2091            let repo = repo.context("No active repository")?;
2092            let mut current_remotes: Vec<Remote> = repo
2093                .update(&mut cx, |repo, _| {
2094                    let current_branch = repo.branch.as_ref().context("No active branch")?;
2095                    anyhow::Ok(repo.get_remotes(Some(current_branch.name().to_string())))
2096                })??
2097                .await??;
2098
2099            if current_remotes.len() == 0 {
2100                anyhow::bail!("No active remote");
2101            } else if current_remotes.len() == 1 {
2102                return Ok(Some(current_remotes.pop().unwrap()));
2103            } else {
2104                let current_remotes: Vec<_> = current_remotes
2105                    .into_iter()
2106                    .map(|remotes| remotes.name)
2107                    .collect();
2108                let selection = cx
2109                    .update(|window, cx| {
2110                        picker_prompt::prompt(
2111                            "Pick which remote to push to",
2112                            current_remotes.clone(),
2113                            workspace,
2114                            window,
2115                            cx,
2116                        )
2117                    })?
2118                    .await;
2119
2120                Ok(selection.map(|selection| Remote {
2121                    name: current_remotes[selection].clone(),
2122                }))
2123            }
2124        }
2125    }
2126
2127    fn potential_co_authors(&self, cx: &App) -> Vec<(String, String)> {
2128        let mut new_co_authors = Vec::new();
2129        let project = self.project.read(cx);
2130
2131        let Some(room) = self
2132            .workspace
2133            .upgrade()
2134            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned())
2135        else {
2136            return Vec::default();
2137        };
2138
2139        let room = room.read(cx);
2140
2141        for (peer_id, collaborator) in project.collaborators() {
2142            if collaborator.is_host {
2143                continue;
2144            }
2145
2146            let Some(participant) = room.remote_participant_for_peer_id(*peer_id) else {
2147                continue;
2148            };
2149            if participant.can_write() && participant.user.email.is_some() {
2150                let email = participant.user.email.clone().unwrap();
2151
2152                new_co_authors.push((
2153                    participant
2154                        .user
2155                        .name
2156                        .clone()
2157                        .unwrap_or_else(|| participant.user.github_login.clone()),
2158                    email,
2159                ))
2160            }
2161        }
2162        if !project.is_local() && !project.is_read_only(cx) {
2163            if let Some(user) = room.local_participant_user(cx) {
2164                if let Some(email) = user.email.clone() {
2165                    new_co_authors.push((
2166                        user.name
2167                            .clone()
2168                            .unwrap_or_else(|| user.github_login.clone()),
2169                        email.clone(),
2170                    ))
2171                }
2172            }
2173        }
2174        new_co_authors
2175    }
2176
2177    fn toggle_fill_co_authors(
2178        &mut self,
2179        _: &ToggleFillCoAuthors,
2180        _: &mut Window,
2181        cx: &mut Context<Self>,
2182    ) {
2183        self.add_coauthors = !self.add_coauthors;
2184        cx.notify();
2185    }
2186
2187    fn fill_co_authors(&mut self, message: &mut String, cx: &mut Context<Self>) {
2188        const CO_AUTHOR_PREFIX: &str = "Co-authored-by: ";
2189
2190        let existing_text = message.to_ascii_lowercase();
2191        let lowercase_co_author_prefix = CO_AUTHOR_PREFIX.to_lowercase();
2192        let mut ends_with_co_authors = false;
2193        let existing_co_authors = existing_text
2194            .lines()
2195            .filter_map(|line| {
2196                let line = line.trim();
2197                if line.starts_with(&lowercase_co_author_prefix) {
2198                    ends_with_co_authors = true;
2199                    Some(line)
2200                } else {
2201                    ends_with_co_authors = false;
2202                    None
2203                }
2204            })
2205            .collect::<HashSet<_>>();
2206
2207        let new_co_authors = self
2208            .potential_co_authors(cx)
2209            .into_iter()
2210            .filter(|(_, email)| {
2211                !existing_co_authors
2212                    .iter()
2213                    .any(|existing| existing.contains(email.as_str()))
2214            })
2215            .collect::<Vec<_>>();
2216
2217        if new_co_authors.is_empty() {
2218            return;
2219        }
2220
2221        if !ends_with_co_authors {
2222            message.push('\n');
2223        }
2224        for (name, email) in new_co_authors {
2225            message.push('\n');
2226            message.push_str(CO_AUTHOR_PREFIX);
2227            message.push_str(&name);
2228            message.push_str(" <");
2229            message.push_str(&email);
2230            message.push('>');
2231        }
2232        message.push('\n');
2233    }
2234
2235    fn schedule_update(
2236        &mut self,
2237        clear_pending: bool,
2238        window: &mut Window,
2239        cx: &mut Context<Self>,
2240    ) {
2241        let handle = cx.entity().downgrade();
2242        self.reopen_commit_buffer(window, cx);
2243        self.update_visible_entries_task = cx.spawn_in(window, async move |_, cx| {
2244            cx.background_executor().timer(UPDATE_DEBOUNCE).await;
2245            if let Some(git_panel) = handle.upgrade() {
2246                git_panel
2247                    .update_in(cx, |git_panel, window, cx| {
2248                        if clear_pending {
2249                            git_panel.clear_pending();
2250                        }
2251                        git_panel.update_visible_entries(cx);
2252                        git_panel.update_scrollbar_properties(window, cx);
2253                    })
2254                    .ok();
2255            }
2256        });
2257    }
2258
2259    fn reopen_commit_buffer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2260        let Some(active_repo) = self.active_repository.as_ref() else {
2261            return;
2262        };
2263        let load_buffer = active_repo.update(cx, |active_repo, cx| {
2264            let project = self.project.read(cx);
2265            active_repo.open_commit_buffer(
2266                Some(project.languages().clone()),
2267                project.buffer_store().clone(),
2268                cx,
2269            )
2270        });
2271
2272        cx.spawn_in(window, async move |git_panel, cx| {
2273            let buffer = load_buffer.await?;
2274            git_panel.update_in(cx, |git_panel, window, cx| {
2275                if git_panel
2276                    .commit_editor
2277                    .read(cx)
2278                    .buffer()
2279                    .read(cx)
2280                    .as_singleton()
2281                    .as_ref()
2282                    != Some(&buffer)
2283                {
2284                    git_panel.commit_editor = cx.new(|cx| {
2285                        commit_message_editor(
2286                            buffer,
2287                            git_panel.suggest_commit_message(cx).map(SharedString::from),
2288                            git_panel.project.clone(),
2289                            true,
2290                            window,
2291                            cx,
2292                        )
2293                    });
2294                }
2295            })
2296        })
2297        .detach_and_log_err(cx);
2298    }
2299
2300    fn clear_pending(&mut self) {
2301        self.pending.retain(|v| !v.finished)
2302    }
2303
2304    fn update_visible_entries(&mut self, cx: &mut Context<Self>) {
2305        self.entries.clear();
2306        self.single_staged_entry.take();
2307        self.single_tracked_entry.take();
2308        self.conflicted_count = 0;
2309        self.conflicted_staged_count = 0;
2310        self.new_count = 0;
2311        self.tracked_count = 0;
2312        self.new_staged_count = 0;
2313        self.tracked_staged_count = 0;
2314        self.entry_count = 0;
2315
2316        let sort_by_path = GitPanelSettings::get_global(cx).sort_by_path;
2317
2318        let mut changed_entries = Vec::new();
2319        let mut new_entries = Vec::new();
2320        let mut conflict_entries = Vec::new();
2321        let mut last_staged = None;
2322        let mut staged_count = 0;
2323        let mut max_width_item: Option<(RepoPath, usize)> = None;
2324
2325        let Some(repo) = self.active_repository.as_ref() else {
2326            // Just clear entries if no repository is active.
2327            cx.notify();
2328            return;
2329        };
2330
2331        let repo = repo.read(cx);
2332
2333        for entry in repo.cached_status() {
2334            let is_conflict = repo.has_conflict(&entry.repo_path);
2335            let is_new = entry.status.is_created();
2336            let staging = entry.status.staging();
2337
2338            if self.pending.iter().any(|pending| {
2339                pending.target_status == TargetStatus::Reverted
2340                    && !pending.finished
2341                    && pending
2342                        .entries
2343                        .iter()
2344                        .any(|pending| pending.repo_path == entry.repo_path)
2345            }) {
2346                continue;
2347            }
2348
2349            let abs_path = repo.work_directory_abs_path.join(&entry.repo_path.0);
2350            let entry = GitStatusEntry {
2351                repo_path: entry.repo_path.clone(),
2352                abs_path,
2353                status: entry.status,
2354                staging,
2355            };
2356
2357            if staging.has_staged() {
2358                staged_count += 1;
2359                last_staged = Some(entry.clone());
2360            }
2361
2362            let width_estimate = Self::item_width_estimate(
2363                entry.parent_dir().map(|s| s.len()).unwrap_or(0),
2364                entry.display_name().len(),
2365            );
2366
2367            match max_width_item.as_mut() {
2368                Some((repo_path, estimate)) => {
2369                    if width_estimate > *estimate {
2370                        *repo_path = entry.repo_path.clone();
2371                        *estimate = width_estimate;
2372                    }
2373                }
2374                None => max_width_item = Some((entry.repo_path.clone(), width_estimate)),
2375            }
2376
2377            if sort_by_path {
2378                changed_entries.push(entry);
2379            } else if is_conflict {
2380                conflict_entries.push(entry);
2381            } else if is_new {
2382                new_entries.push(entry);
2383            } else {
2384                changed_entries.push(entry);
2385            }
2386        }
2387
2388        let mut pending_staged_count = 0;
2389        let mut last_pending_staged = None;
2390        let mut pending_status_for_last_staged = None;
2391        for pending in self.pending.iter() {
2392            if pending.target_status == TargetStatus::Staged {
2393                pending_staged_count += pending.entries.len();
2394                last_pending_staged = pending.entries.iter().next().cloned();
2395            }
2396            if let Some(last_staged) = &last_staged {
2397                if pending
2398                    .entries
2399                    .iter()
2400                    .any(|entry| entry.repo_path == last_staged.repo_path)
2401                {
2402                    pending_status_for_last_staged = Some(pending.target_status);
2403                }
2404            }
2405        }
2406
2407        if conflict_entries.len() == 0 && staged_count == 1 && pending_staged_count == 0 {
2408            match pending_status_for_last_staged {
2409                Some(TargetStatus::Staged) | None => {
2410                    self.single_staged_entry = last_staged;
2411                }
2412                _ => {}
2413            }
2414        } else if conflict_entries.len() == 0 && pending_staged_count == 1 {
2415            self.single_staged_entry = last_pending_staged;
2416        }
2417
2418        if conflict_entries.len() == 0 && changed_entries.len() == 1 {
2419            self.single_tracked_entry = changed_entries.first().cloned();
2420        }
2421
2422        if conflict_entries.len() > 0 {
2423            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2424                header: Section::Conflict,
2425            }));
2426            self.entries.extend(
2427                conflict_entries
2428                    .into_iter()
2429                    .map(GitListEntry::GitStatusEntry),
2430            );
2431        }
2432
2433        if changed_entries.len() > 0 {
2434            if !sort_by_path {
2435                self.entries.push(GitListEntry::Header(GitHeaderEntry {
2436                    header: Section::Tracked,
2437                }));
2438            }
2439            self.entries.extend(
2440                changed_entries
2441                    .into_iter()
2442                    .map(GitListEntry::GitStatusEntry),
2443            );
2444        }
2445        if new_entries.len() > 0 {
2446            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2447                header: Section::New,
2448            }));
2449            self.entries
2450                .extend(new_entries.into_iter().map(GitListEntry::GitStatusEntry));
2451        }
2452
2453        if let Some((repo_path, _)) = max_width_item {
2454            self.max_width_item_index = self.entries.iter().position(|entry| match entry {
2455                GitListEntry::GitStatusEntry(git_status_entry) => {
2456                    git_status_entry.repo_path == repo_path
2457                }
2458                GitListEntry::Header(_) => false,
2459            });
2460        }
2461
2462        self.update_counts(repo);
2463
2464        self.select_first_entry_if_none(cx);
2465
2466        let suggested_commit_message = self.suggest_commit_message(cx);
2467        let placeholder_text = suggested_commit_message.unwrap_or("Enter commit message".into());
2468
2469        self.commit_editor.update(cx, |editor, cx| {
2470            editor.set_placeholder_text(Arc::from(placeholder_text), cx)
2471        });
2472
2473        cx.notify();
2474    }
2475
2476    fn header_state(&self, header_type: Section) -> ToggleState {
2477        let (staged_count, count) = match header_type {
2478            Section::New => (self.new_staged_count, self.new_count),
2479            Section::Tracked => (self.tracked_staged_count, self.tracked_count),
2480            Section::Conflict => (self.conflicted_staged_count, self.conflicted_count),
2481        };
2482        if staged_count == 0 {
2483            ToggleState::Unselected
2484        } else if count == staged_count {
2485            ToggleState::Selected
2486        } else {
2487            ToggleState::Indeterminate
2488        }
2489    }
2490
2491    fn update_counts(&mut self, repo: &Repository) {
2492        self.show_placeholders = false;
2493        self.conflicted_count = 0;
2494        self.conflicted_staged_count = 0;
2495        self.new_count = 0;
2496        self.tracked_count = 0;
2497        self.new_staged_count = 0;
2498        self.tracked_staged_count = 0;
2499        self.entry_count = 0;
2500        for entry in &self.entries {
2501            let Some(status_entry) = entry.status_entry() else {
2502                continue;
2503            };
2504            self.entry_count += 1;
2505            if repo.has_conflict(&status_entry.repo_path) {
2506                self.conflicted_count += 1;
2507                if self.entry_staging(status_entry).has_staged() {
2508                    self.conflicted_staged_count += 1;
2509                }
2510            } else if status_entry.status.is_created() {
2511                self.new_count += 1;
2512                if self.entry_staging(status_entry).has_staged() {
2513                    self.new_staged_count += 1;
2514                }
2515            } else {
2516                self.tracked_count += 1;
2517                if self.entry_staging(status_entry).has_staged() {
2518                    self.tracked_staged_count += 1;
2519                }
2520            }
2521        }
2522    }
2523
2524    fn entry_staging(&self, entry: &GitStatusEntry) -> StageStatus {
2525        for pending in self.pending.iter().rev() {
2526            if pending
2527                .entries
2528                .iter()
2529                .any(|pending_entry| pending_entry.repo_path == entry.repo_path)
2530            {
2531                match pending.target_status {
2532                    TargetStatus::Staged => return StageStatus::Staged,
2533                    TargetStatus::Unstaged => return StageStatus::Unstaged,
2534                    TargetStatus::Reverted => continue,
2535                    TargetStatus::Unchanged => continue,
2536                }
2537            }
2538        }
2539        entry.staging
2540    }
2541
2542    pub(crate) fn has_staged_changes(&self) -> bool {
2543        self.tracked_staged_count > 0
2544            || self.new_staged_count > 0
2545            || self.conflicted_staged_count > 0
2546    }
2547
2548    pub(crate) fn has_unstaged_changes(&self) -> bool {
2549        self.tracked_count > self.tracked_staged_count
2550            || self.new_count > self.new_staged_count
2551            || self.conflicted_count > self.conflicted_staged_count
2552    }
2553
2554    fn has_tracked_changes(&self) -> bool {
2555        self.tracked_count > 0
2556    }
2557
2558    pub fn has_unstaged_conflicts(&self) -> bool {
2559        self.conflicted_count > 0 && self.conflicted_count != self.conflicted_staged_count
2560    }
2561
2562    fn show_error_toast(&self, action: impl Into<SharedString>, e: anyhow::Error, cx: &mut App) {
2563        let action = action.into();
2564        let Some(workspace) = self.workspace.upgrade() else {
2565            return;
2566        };
2567
2568        let message = e.to_string().trim().to_string();
2569        if message
2570            .matches(git::repository::REMOTE_CANCELLED_BY_USER)
2571            .next()
2572            .is_some()
2573        {
2574            return; // Hide the cancelled by user message
2575        } else {
2576            workspace.update(cx, |workspace, cx| {
2577                let workspace_weak = cx.weak_entity();
2578                let toast = StatusToast::new(format!("git {} failed", action), cx, |this, _cx| {
2579                    this.icon(ToastIcon::new(IconName::XCircle).color(Color::Error))
2580                        .action("View Log", move |window, cx| {
2581                            let message = message.clone();
2582                            let action = action.clone();
2583                            workspace_weak
2584                                .update(cx, move |workspace, cx| {
2585                                    Self::open_output(action, workspace, &message, window, cx)
2586                                })
2587                                .ok();
2588                        })
2589                });
2590                workspace.toggle_status_toast(toast, cx)
2591            });
2592        }
2593    }
2594
2595    fn show_remote_output(&self, action: RemoteAction, info: RemoteCommandOutput, cx: &mut App) {
2596        let Some(workspace) = self.workspace.upgrade() else {
2597            return;
2598        };
2599
2600        workspace.update(cx, |workspace, cx| {
2601            let SuccessMessage { message, style } = remote_output::format_output(&action, info);
2602            let workspace_weak = cx.weak_entity();
2603            let operation = action.name();
2604
2605            let status_toast = StatusToast::new(message, cx, move |this, _cx| {
2606                use remote_output::SuccessStyle::*;
2607                match style {
2608                    Toast { .. } => this,
2609                    ToastWithLog { output } => this
2610                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2611                        .action("View Log", move |window, cx| {
2612                            let output = output.clone();
2613                            let output =
2614                                format!("stdout:\n{}\nstderr:\n{}", output.stdout, output.stderr);
2615                            workspace_weak
2616                                .update(cx, move |workspace, cx| {
2617                                    Self::open_output(operation, workspace, &output, window, cx)
2618                                })
2619                                .ok();
2620                        }),
2621                    PushPrLink { link } => this
2622                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2623                        .action("Open Pull Request", move |_, cx| cx.open_url(&link)),
2624                }
2625            });
2626            workspace.toggle_status_toast(status_toast, cx)
2627        });
2628    }
2629
2630    fn open_output(
2631        operation: impl Into<SharedString>,
2632        workspace: &mut Workspace,
2633        output: &str,
2634        window: &mut Window,
2635        cx: &mut Context<Workspace>,
2636    ) {
2637        let operation = operation.into();
2638        let buffer = cx.new(|cx| Buffer::local(output, cx));
2639        buffer.update(cx, |buffer, cx| {
2640            buffer.set_capability(language::Capability::ReadOnly, cx);
2641        });
2642        let editor = cx.new(|cx| {
2643            let mut editor = Editor::for_buffer(buffer, None, window, cx);
2644            editor.buffer().update(cx, |buffer, cx| {
2645                buffer.set_title(format!("Output from git {operation}"), cx);
2646            });
2647            editor.set_read_only(true);
2648            editor
2649        });
2650
2651        workspace.add_item_to_center(Box::new(editor), window, cx);
2652    }
2653
2654    pub fn can_commit(&self) -> bool {
2655        (self.has_staged_changes() || self.has_tracked_changes()) && !self.has_unstaged_conflicts()
2656    }
2657
2658    pub fn can_stage_all(&self) -> bool {
2659        self.has_unstaged_changes()
2660    }
2661
2662    pub fn can_unstage_all(&self) -> bool {
2663        self.has_staged_changes()
2664    }
2665
2666    // eventually we'll need to take depth into account here
2667    // if we add a tree view
2668    fn item_width_estimate(path: usize, file_name: usize) -> usize {
2669        path + file_name
2670    }
2671
2672    fn render_overflow_menu(&self, id: impl Into<ElementId>) -> impl IntoElement {
2673        let focus_handle = self.focus_handle.clone();
2674        let has_tracked_changes = self.has_tracked_changes();
2675        let has_staged_changes = self.has_staged_changes();
2676        let has_unstaged_changes = self.has_unstaged_changes();
2677        let has_new_changes = self.new_count > 0;
2678
2679        PopoverMenu::new(id.into())
2680            .trigger(
2681                IconButton::new("overflow-menu-trigger", IconName::EllipsisVertical)
2682                    .icon_size(IconSize::Small)
2683                    .icon_color(Color::Muted),
2684            )
2685            .menu(move |window, cx| {
2686                Some(git_panel_context_menu(
2687                    focus_handle.clone(),
2688                    GitMenuState {
2689                        has_tracked_changes,
2690                        has_staged_changes,
2691                        has_unstaged_changes,
2692                        has_new_changes,
2693                    },
2694                    window,
2695                    cx,
2696                ))
2697            })
2698            .anchor(Corner::TopRight)
2699    }
2700
2701    pub(crate) fn render_generate_commit_message_button(
2702        &self,
2703        cx: &Context<Self>,
2704    ) -> Option<AnyElement> {
2705        current_language_model(cx).is_some().then(|| {
2706            if self.generate_commit_message_task.is_some() {
2707                return h_flex()
2708                    .gap_1()
2709                    .child(
2710                        Icon::new(IconName::ArrowCircle)
2711                            .size(IconSize::XSmall)
2712                            .color(Color::Info)
2713                            .with_animation(
2714                                "arrow-circle",
2715                                Animation::new(Duration::from_secs(2)).repeat(),
2716                                |icon, delta| {
2717                                    icon.transform(Transformation::rotate(percentage(delta)))
2718                                },
2719                            ),
2720                    )
2721                    .child(
2722                        Label::new("Generating Commit...")
2723                            .size(LabelSize::Small)
2724                            .color(Color::Muted),
2725                    )
2726                    .into_any_element();
2727            }
2728
2729            let can_commit = self.can_commit();
2730            let editor_focus_handle = self.commit_editor.focus_handle(cx);
2731            IconButton::new("generate-commit-message", IconName::AiEdit)
2732                .shape(ui::IconButtonShape::Square)
2733                .icon_color(Color::Muted)
2734                .tooltip(move |window, cx| {
2735                    if can_commit {
2736                        Tooltip::for_action_in(
2737                            "Generate Commit Message",
2738                            &git::GenerateCommitMessage,
2739                            &editor_focus_handle,
2740                            window,
2741                            cx,
2742                        )
2743                    } else {
2744                        Tooltip::simple("No changes to commit", cx)
2745                    }
2746                })
2747                .disabled(!can_commit)
2748                .on_click(cx.listener(move |this, _event, _window, cx| {
2749                    this.generate_commit_message(cx);
2750                }))
2751                .into_any_element()
2752        })
2753    }
2754
2755    pub(crate) fn render_co_authors(&self, cx: &Context<Self>) -> Option<AnyElement> {
2756        let potential_co_authors = self.potential_co_authors(cx);
2757
2758        let (tooltip_label, icon) = if self.add_coauthors {
2759            ("Remove co-authored-by", IconName::Person)
2760        } else {
2761            ("Add co-authored-by", IconName::UserCheck)
2762        };
2763
2764        if potential_co_authors.is_empty() {
2765            None
2766        } else {
2767            Some(
2768                IconButton::new("co-authors", icon)
2769                    .shape(ui::IconButtonShape::Square)
2770                    .icon_color(Color::Disabled)
2771                    .selected_icon_color(Color::Selected)
2772                    .toggle_state(self.add_coauthors)
2773                    .tooltip(move |_, cx| {
2774                        let title = format!(
2775                            "{}:{}{}",
2776                            tooltip_label,
2777                            if potential_co_authors.len() == 1 {
2778                                ""
2779                            } else {
2780                                "\n"
2781                            },
2782                            potential_co_authors
2783                                .iter()
2784                                .map(|(name, email)| format!(" {} <{}>", name, email))
2785                                .join("\n")
2786                        );
2787                        Tooltip::simple(title, cx)
2788                    })
2789                    .on_click(cx.listener(|this, _, _, cx| {
2790                        this.add_coauthors = !this.add_coauthors;
2791                        cx.notify();
2792                    }))
2793                    .into_any_element(),
2794            )
2795        }
2796    }
2797
2798    fn render_git_commit_menu(
2799        &self,
2800        id: impl Into<ElementId>,
2801        keybinding_target: Option<FocusHandle>,
2802    ) -> impl IntoElement {
2803        PopoverMenu::new(id.into())
2804            .trigger(
2805                ui::ButtonLike::new_rounded_right("commit-split-button-right")
2806                    .layer(ui::ElevationIndex::ModalSurface)
2807                    .size(ui::ButtonSize::None)
2808                    .child(
2809                        div()
2810                            .px_1()
2811                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
2812                    ),
2813            )
2814            .menu(move |window, cx| {
2815                Some(ContextMenu::build(window, cx, |context_menu, _, _| {
2816                    context_menu
2817                        .when_some(keybinding_target.clone(), |el, keybinding_target| {
2818                            el.context(keybinding_target.clone())
2819                        })
2820                        .action("Amend", Amend.boxed_clone())
2821                }))
2822            })
2823            .anchor(Corner::TopRight)
2824    }
2825
2826    pub fn configure_commit_button(&self, cx: &mut Context<Self>) -> (bool, &'static str) {
2827        if self.has_unstaged_conflicts() {
2828            (false, "You must resolve conflicts before committing")
2829        } else if !self.has_staged_changes() && !self.has_tracked_changes() {
2830            (false, "No changes to commit")
2831        } else if self.pending_commit.is_some() {
2832            (false, "Commit in progress")
2833        } else if self.custom_or_suggested_commit_message(cx).is_none() {
2834            (false, "No commit message")
2835        } else if !self.has_write_access(cx) {
2836            (false, "You do not have write access to this project")
2837        } else {
2838            (true, self.commit_button_title())
2839        }
2840    }
2841
2842    pub fn commit_button_title(&self) -> &'static str {
2843        if self.amend_pending {
2844            if self.has_staged_changes() {
2845                "Amend"
2846            } else {
2847                "Amend Tracked"
2848            }
2849        } else {
2850            if self.has_staged_changes() {
2851                "Commit"
2852            } else {
2853                "Commit Tracked"
2854            }
2855        }
2856    }
2857
2858    fn expand_commit_editor(
2859        &mut self,
2860        _: &git::ExpandCommitEditor,
2861        window: &mut Window,
2862        cx: &mut Context<Self>,
2863    ) {
2864        let workspace = self.workspace.clone();
2865        window.defer(cx, move |window, cx| {
2866            workspace
2867                .update(cx, |workspace, cx| {
2868                    CommitModal::toggle(workspace, None, window, cx)
2869                })
2870                .ok();
2871        })
2872    }
2873
2874    fn render_panel_header(
2875        &self,
2876        window: &mut Window,
2877        cx: &mut Context<Self>,
2878    ) -> Option<impl IntoElement> {
2879        self.active_repository.as_ref()?;
2880
2881        let text;
2882        let action;
2883        let tooltip;
2884        if self.total_staged_count() == self.entry_count && self.entry_count > 0 {
2885            text = "Unstage All";
2886            action = git::UnstageAll.boxed_clone();
2887            tooltip = "git reset";
2888        } else {
2889            text = "Stage All";
2890            action = git::StageAll.boxed_clone();
2891            tooltip = "git add --all ."
2892        }
2893
2894        let change_string = match self.entry_count {
2895            0 => "No Changes".to_string(),
2896            1 => "1 Change".to_string(),
2897            _ => format!("{} Changes", self.entry_count),
2898        };
2899
2900        Some(
2901            self.panel_header_container(window, cx)
2902                .px_2()
2903                .child(
2904                    panel_button(change_string)
2905                        .color(Color::Muted)
2906                        .tooltip(Tooltip::for_action_title_in(
2907                            "Open Diff",
2908                            &Diff,
2909                            &self.focus_handle,
2910                        ))
2911                        .on_click(|_, _, cx| {
2912                            cx.defer(|cx| {
2913                                cx.dispatch_action(&Diff);
2914                            })
2915                        }),
2916                )
2917                .child(div().flex_grow()) // spacer
2918                .child(self.render_overflow_menu("overflow_menu"))
2919                .child(div().w_2()) // another spacer
2920                .child(
2921                    panel_filled_button(text)
2922                        .tooltip(Tooltip::for_action_title_in(
2923                            tooltip,
2924                            action.as_ref(),
2925                            &self.focus_handle,
2926                        ))
2927                        .disabled(self.entry_count == 0)
2928                        .on_click(move |_, _, cx| {
2929                            let action = action.boxed_clone();
2930                            cx.defer(move |cx| {
2931                                cx.dispatch_action(action.as_ref());
2932                            })
2933                        }),
2934                ),
2935        )
2936    }
2937
2938    pub(crate) fn render_remote_button(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2939        let branch = self.active_repository.as_ref()?.read(cx).branch.clone();
2940        if !self.can_push_and_pull(cx) {
2941            return None;
2942        }
2943        Some(
2944            h_flex()
2945                .gap_1()
2946                .flex_shrink_0()
2947                .when_some(branch, |this, branch| {
2948                    let focus_handle = Some(self.focus_handle(cx));
2949
2950                    this.children(render_remote_button(
2951                        "remote-button",
2952                        &branch,
2953                        focus_handle,
2954                        true,
2955                    ))
2956                })
2957                .into_any_element(),
2958        )
2959    }
2960
2961    pub fn render_footer(
2962        &self,
2963        window: &mut Window,
2964        cx: &mut Context<Self>,
2965    ) -> Option<impl IntoElement> {
2966        let active_repository = self.active_repository.clone()?;
2967        let panel_editor_style = panel_editor_style(true, window, cx);
2968
2969        let enable_coauthors = self.render_co_authors(cx);
2970
2971        let editor_focus_handle = self.commit_editor.focus_handle(cx);
2972        let expand_tooltip_focus_handle = editor_focus_handle.clone();
2973
2974        let branch = active_repository.read(cx).branch.clone();
2975        let head_commit = active_repository.read(cx).head_commit.clone();
2976
2977        let footer_size = px(32.);
2978        let gap = px(9.0);
2979        let max_height = panel_editor_style
2980            .text
2981            .line_height_in_pixels(window.rem_size())
2982            * MAX_PANEL_EDITOR_LINES
2983            + gap;
2984
2985        let git_panel = cx.entity().clone();
2986        let display_name = SharedString::from(Arc::from(
2987            active_repository
2988                .read(cx)
2989                .display_name()
2990                .trim_end_matches("/"),
2991        ));
2992        let editor_is_long = self.commit_editor.update(cx, |editor, cx| {
2993            editor.max_point(cx).row().0 >= MAX_PANEL_EDITOR_LINES as u32
2994        });
2995        let has_previous_commit = head_commit.is_some();
2996
2997        let footer = v_flex()
2998            .child(PanelRepoFooter::new(
2999                display_name,
3000                branch,
3001                head_commit,
3002                Some(git_panel.clone()),
3003            ))
3004            .child(
3005                panel_editor_container(window, cx)
3006                    .id("commit-editor-container")
3007                    .relative()
3008                    .w_full()
3009                    .h(max_height + footer_size)
3010                    .border_t_1()
3011                    .border_color(cx.theme().colors().border_variant)
3012                    .cursor_text()
3013                    .on_click(cx.listener(move |this, _: &ClickEvent, window, cx| {
3014                        window.focus(&this.commit_editor.focus_handle(cx));
3015                    }))
3016                    .child(
3017                        h_flex()
3018                            .id("commit-footer")
3019                            .border_t_1()
3020                            .when(editor_is_long, |el| {
3021                                el.border_color(cx.theme().colors().border_variant)
3022                            })
3023                            .absolute()
3024                            .bottom_0()
3025                            .left_0()
3026                            .w_full()
3027                            .px_2()
3028                            .h(footer_size)
3029                            .flex_none()
3030                            .justify_between()
3031                            .child(
3032                                self.render_generate_commit_message_button(cx)
3033                                    .unwrap_or_else(|| div().into_any_element()),
3034                            )
3035                            .child(
3036                                h_flex()
3037                                    .gap_0p5()
3038                                    .children(enable_coauthors)
3039                                    .child(self.render_commit_button(has_previous_commit, cx)),
3040                            ),
3041                    )
3042                    .child(
3043                        div()
3044                            .pr_2p5()
3045                            .on_action(|&editor::actions::MoveUp, _, cx| {
3046                                cx.stop_propagation();
3047                            })
3048                            .on_action(|&editor::actions::MoveDown, _, cx| {
3049                                cx.stop_propagation();
3050                            })
3051                            .child(EditorElement::new(&self.commit_editor, panel_editor_style)),
3052                    )
3053                    .child(
3054                        h_flex()
3055                            .absolute()
3056                            .top_2()
3057                            .right_2()
3058                            .opacity(0.5)
3059                            .hover(|this| this.opacity(1.0))
3060                            .child(
3061                                panel_icon_button("expand-commit-editor", IconName::Maximize)
3062                                    .icon_size(IconSize::Small)
3063                                    .size(ui::ButtonSize::Default)
3064                                    .tooltip(move |window, cx| {
3065                                        Tooltip::for_action_in(
3066                                            "Open Commit Modal",
3067                                            &git::ExpandCommitEditor,
3068                                            &expand_tooltip_focus_handle,
3069                                            window,
3070                                            cx,
3071                                        )
3072                                    })
3073                                    .on_click(cx.listener({
3074                                        move |_, _, window, cx| {
3075                                            window.dispatch_action(
3076                                                git::ExpandCommitEditor.boxed_clone(),
3077                                                cx,
3078                                            )
3079                                        }
3080                                    })),
3081                            ),
3082                    ),
3083            );
3084
3085        Some(footer)
3086    }
3087
3088    fn render_commit_button(
3089        &self,
3090        has_previous_commit: bool,
3091        cx: &mut Context<Self>,
3092    ) -> impl IntoElement {
3093        let (can_commit, tooltip) = self.configure_commit_button(cx);
3094        let title = self.commit_button_title();
3095        let commit_tooltip_focus_handle = self.commit_editor.focus_handle(cx);
3096        div()
3097            .id("commit-wrapper")
3098            .on_hover(cx.listener(move |this, hovered, _, cx| {
3099                this.show_placeholders =
3100                    *hovered && !this.has_staged_changes() && !this.has_unstaged_conflicts();
3101                cx.notify()
3102            }))
3103            .when(self.amend_pending, {
3104                |this| {
3105                    this.h_flex()
3106                        .gap_1()
3107                        .child(
3108                            panel_filled_button("Cancel")
3109                                .tooltip({
3110                                    let handle = commit_tooltip_focus_handle.clone();
3111                                    move |window, cx| {
3112                                        Tooltip::for_action_in(
3113                                            "Cancel amend",
3114                                            &git::Cancel,
3115                                            &handle,
3116                                            window,
3117                                            cx,
3118                                        )
3119                                    }
3120                                })
3121                                .on_click(move |_, window, cx| {
3122                                    window.dispatch_action(Box::new(git::Cancel), cx);
3123                                }),
3124                        )
3125                        .child(
3126                            panel_filled_button(title)
3127                                .tooltip({
3128                                    let handle = commit_tooltip_focus_handle.clone();
3129                                    move |window, cx| {
3130                                        if can_commit {
3131                                            Tooltip::for_action_in(
3132                                                tooltip, &Amend, &handle, window, cx,
3133                                            )
3134                                        } else {
3135                                            Tooltip::simple(tooltip, cx)
3136                                        }
3137                                    }
3138                                })
3139                                .disabled(!can_commit || self.modal_open)
3140                                .on_click({
3141                                    let git_panel = cx.weak_entity();
3142                                    move |_, window, cx| {
3143                                        telemetry::event!("Git Amended", source = "Git Panel");
3144                                        git_panel
3145                                            .update(cx, |git_panel, cx| {
3146                                                git_panel.set_amend_pending(false, cx);
3147                                                git_panel.commit_changes(
3148                                                    CommitOptions { amend: true },
3149                                                    window,
3150                                                    cx,
3151                                                );
3152                                            })
3153                                            .ok();
3154                                    }
3155                                }),
3156                        )
3157                }
3158            })
3159            .when(!self.amend_pending, |this| {
3160                this.when(has_previous_commit, |this| {
3161                    this.child(SplitButton::new(
3162                        ui::ButtonLike::new_rounded_left(ElementId::Name(
3163                            format!("split-button-left-{}", title).into(),
3164                        ))
3165                        .layer(ui::ElevationIndex::ModalSurface)
3166                        .size(ui::ButtonSize::Compact)
3167                        .child(
3168                            div()
3169                                .child(Label::new(title).size(LabelSize::Small))
3170                                .mr_0p5(),
3171                        )
3172                        .on_click({
3173                            let git_panel = cx.weak_entity();
3174                            move |_, window, cx| {
3175                                telemetry::event!("Git Committed", source = "Git Panel");
3176                                git_panel
3177                                    .update(cx, |git_panel, cx| {
3178                                        git_panel.commit_changes(
3179                                            CommitOptions { amend: false },
3180                                            window,
3181                                            cx,
3182                                        );
3183                                    })
3184                                    .ok();
3185                            }
3186                        })
3187                        .disabled(!can_commit || self.modal_open)
3188                        .tooltip({
3189                            let handle = commit_tooltip_focus_handle.clone();
3190                            move |window, cx| {
3191                                if can_commit {
3192                                    Tooltip::with_meta_in(
3193                                        tooltip,
3194                                        Some(&git::Commit),
3195                                        "git commit",
3196                                        &handle.clone(),
3197                                        window,
3198                                        cx,
3199                                    )
3200                                } else {
3201                                    Tooltip::simple(tooltip, cx)
3202                                }
3203                            }
3204                        }),
3205                        self.render_git_commit_menu(
3206                            ElementId::Name(format!("split-button-right-{}", title).into()),
3207                            Some(commit_tooltip_focus_handle.clone()),
3208                        )
3209                        .into_any_element(),
3210                    ))
3211                })
3212                .when(!has_previous_commit, |this| {
3213                    this.child(
3214                        panel_filled_button(title)
3215                            .tooltip(move |window, cx| {
3216                                if can_commit {
3217                                    Tooltip::with_meta_in(
3218                                        tooltip,
3219                                        Some(&git::Commit),
3220                                        "git commit",
3221                                        &commit_tooltip_focus_handle,
3222                                        window,
3223                                        cx,
3224                                    )
3225                                } else {
3226                                    Tooltip::simple(tooltip, cx)
3227                                }
3228                            })
3229                            .disabled(!can_commit || self.modal_open)
3230                            .on_click({
3231                                let git_panel = cx.weak_entity();
3232                                move |_, window, cx| {
3233                                    telemetry::event!("Git Committed", source = "Git Panel");
3234                                    git_panel
3235                                        .update(cx, |git_panel, cx| {
3236                                            git_panel.commit_changes(
3237                                                CommitOptions { amend: false },
3238                                                window,
3239                                                cx,
3240                                            );
3241                                        })
3242                                        .ok();
3243                                }
3244                            }),
3245                    )
3246                })
3247            })
3248    }
3249
3250    fn render_pending_amend(&self, cx: &mut Context<Self>) -> impl IntoElement {
3251        div()
3252            .py_2()
3253            .px(px(8.))
3254            .border_color(cx.theme().colors().border)
3255            .child(
3256                Label::new(
3257                    "This will update your most recent commit. Cancel to make a new one instead.",
3258                )
3259                .size(LabelSize::Small),
3260            )
3261    }
3262
3263    fn render_previous_commit(&self, cx: &mut Context<Self>) -> Option<impl IntoElement> {
3264        let active_repository = self.active_repository.as_ref()?;
3265        let branch = active_repository.read(cx).branch.as_ref()?;
3266        let commit = branch.most_recent_commit.as_ref()?.clone();
3267        let workspace = self.workspace.clone();
3268
3269        let this = cx.entity();
3270        Some(
3271            h_flex()
3272                .items_center()
3273                .py_2()
3274                .px(px(8.))
3275                .border_color(cx.theme().colors().border)
3276                .gap_1p5()
3277                .child(
3278                    div()
3279                        .flex_grow()
3280                        .overflow_hidden()
3281                        .items_center()
3282                        .max_w(relative(0.85))
3283                        .h_full()
3284                        .child(
3285                            Label::new(commit.subject.clone())
3286                                .size(LabelSize::Small)
3287                                .truncate(),
3288                        )
3289                        .id("commit-msg-hover")
3290                        .on_click({
3291                            let commit = commit.clone();
3292                            let repo = active_repository.downgrade();
3293                            move |_, window, cx| {
3294                                CommitView::open(
3295                                    commit.clone(),
3296                                    repo.clone(),
3297                                    workspace.clone().clone(),
3298                                    window,
3299                                    cx,
3300                                );
3301                            }
3302                        })
3303                        .hoverable_tooltip({
3304                            let repo = active_repository.clone();
3305                            move |window, cx| {
3306                                GitPanelMessageTooltip::new(
3307                                    this.clone(),
3308                                    commit.sha.clone(),
3309                                    repo.clone(),
3310                                    window,
3311                                    cx,
3312                                )
3313                                .into()
3314                            }
3315                        }),
3316                )
3317                .child(div().flex_1())
3318                .when(commit.has_parent, |this| {
3319                    let has_unstaged = self.has_unstaged_changes();
3320                    this.child(
3321                        panel_icon_button("undo", IconName::Undo)
3322                            .icon_size(IconSize::Small)
3323                            .icon_color(Color::Muted)
3324                            .tooltip(move |window, cx| {
3325                                Tooltip::with_meta(
3326                                    "Uncommit",
3327                                    Some(&git::Uncommit),
3328                                    if has_unstaged {
3329                                        "git reset HEAD^ --soft"
3330                                    } else {
3331                                        "git reset HEAD^"
3332                                    },
3333                                    window,
3334                                    cx,
3335                                )
3336                            })
3337                            .on_click(cx.listener(|this, _, window, cx| this.uncommit(window, cx))),
3338                    )
3339                }),
3340        )
3341    }
3342
3343    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
3344        h_flex()
3345            .h_full()
3346            .flex_grow()
3347            .justify_center()
3348            .items_center()
3349            .child(
3350                v_flex()
3351                    .gap_2()
3352                    .child(h_flex().w_full().justify_around().child(
3353                        if self.active_repository.is_some() {
3354                            "No changes to commit"
3355                        } else {
3356                            "No Git repositories"
3357                        },
3358                    ))
3359                    .children({
3360                        let worktree_count = self.project.read(cx).visible_worktrees(cx).count();
3361                        (worktree_count > 0 && self.active_repository.is_none()).then(|| {
3362                            h_flex().w_full().justify_around().child(
3363                                panel_filled_button("Initialize Repository")
3364                                    .tooltip(Tooltip::for_action_title_in(
3365                                        "git init",
3366                                        &git::Init,
3367                                        &self.focus_handle,
3368                                    ))
3369                                    .on_click(move |_, _, cx| {
3370                                        cx.defer(move |cx| {
3371                                            cx.dispatch_action(&git::Init);
3372                                        })
3373                                    }),
3374                            )
3375                        })
3376                    })
3377                    .text_ui_sm(cx)
3378                    .mx_auto()
3379                    .text_color(Color::Placeholder.color(cx)),
3380            )
3381    }
3382
3383    fn render_vertical_scrollbar(
3384        &self,
3385        show_horizontal_scrollbar_container: bool,
3386        cx: &mut Context<Self>,
3387    ) -> impl IntoElement {
3388        div()
3389            .id("git-panel-vertical-scroll")
3390            .occlude()
3391            .flex_none()
3392            .h_full()
3393            .cursor_default()
3394            .absolute()
3395            .right_0()
3396            .top_0()
3397            .bottom_0()
3398            .w(px(12.))
3399            .when(show_horizontal_scrollbar_container, |this| {
3400                this.pb_neg_3p5()
3401            })
3402            .on_mouse_move(cx.listener(|_, _, _, cx| {
3403                cx.notify();
3404                cx.stop_propagation()
3405            }))
3406            .on_hover(|_, _, cx| {
3407                cx.stop_propagation();
3408            })
3409            .on_any_mouse_down(|_, _, cx| {
3410                cx.stop_propagation();
3411            })
3412            .on_mouse_up(
3413                MouseButton::Left,
3414                cx.listener(|this, _, window, cx| {
3415                    if !this.vertical_scrollbar.state.is_dragging()
3416                        && !this.focus_handle.contains_focused(window, cx)
3417                    {
3418                        this.vertical_scrollbar.hide(window, cx);
3419                        cx.notify();
3420                    }
3421
3422                    cx.stop_propagation();
3423                }),
3424            )
3425            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3426                cx.notify();
3427            }))
3428            .children(Scrollbar::vertical(
3429                // percentage as f32..end_offset as f32,
3430                self.vertical_scrollbar.state.clone(),
3431            ))
3432    }
3433
3434    /// Renders the horizontal scrollbar.
3435    ///
3436    /// The right offset is used to determine how far to the right the
3437    /// scrollbar should extend to, useful for ensuring it doesn't collide
3438    /// with the vertical scrollbar when visible.
3439    fn render_horizontal_scrollbar(
3440        &self,
3441        right_offset: Pixels,
3442        cx: &mut Context<Self>,
3443    ) -> impl IntoElement {
3444        div()
3445            .id("git-panel-horizontal-scroll")
3446            .occlude()
3447            .flex_none()
3448            .w_full()
3449            .cursor_default()
3450            .absolute()
3451            .bottom_neg_px()
3452            .left_0()
3453            .right_0()
3454            .pr(right_offset)
3455            .on_mouse_move(cx.listener(|_, _, _, cx| {
3456                cx.notify();
3457                cx.stop_propagation()
3458            }))
3459            .on_hover(|_, _, cx| {
3460                cx.stop_propagation();
3461            })
3462            .on_any_mouse_down(|_, _, cx| {
3463                cx.stop_propagation();
3464            })
3465            .on_mouse_up(
3466                MouseButton::Left,
3467                cx.listener(|this, _, window, cx| {
3468                    if !this.horizontal_scrollbar.state.is_dragging()
3469                        && !this.focus_handle.contains_focused(window, cx)
3470                    {
3471                        this.horizontal_scrollbar.hide(window, cx);
3472                        cx.notify();
3473                    }
3474
3475                    cx.stop_propagation();
3476                }),
3477            )
3478            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3479                cx.notify();
3480            }))
3481            .children(Scrollbar::horizontal(
3482                // percentage as f32..end_offset as f32,
3483                self.horizontal_scrollbar.state.clone(),
3484            ))
3485    }
3486
3487    fn render_buffer_header_controls(
3488        &self,
3489        entity: &Entity<Self>,
3490        file: &Arc<dyn File>,
3491        _: &Window,
3492        cx: &App,
3493    ) -> Option<AnyElement> {
3494        let repo = self.active_repository.as_ref()?.read(cx);
3495        let project_path = (file.worktree_id(cx), file.path()).into();
3496        let repo_path = repo.project_path_to_repo_path(&project_path, cx)?;
3497        let ix = self.entry_by_path(&repo_path, cx)?;
3498        let entry = self.entries.get(ix)?;
3499
3500        let entry_staging = self.entry_staging(entry.status_entry()?);
3501
3502        let checkbox = Checkbox::new("stage-file", entry_staging.as_bool().into())
3503            .disabled(!self.has_write_access(cx))
3504            .fill()
3505            .elevation(ElevationIndex::Surface)
3506            .on_click({
3507                let entry = entry.clone();
3508                let git_panel = entity.downgrade();
3509                move |_, window, cx| {
3510                    git_panel
3511                        .update(cx, |this, cx| {
3512                            this.toggle_staged_for_entry(&entry, window, cx);
3513                            cx.stop_propagation();
3514                        })
3515                        .ok();
3516                }
3517            });
3518        Some(
3519            h_flex()
3520                .id("start-slot")
3521                .text_lg()
3522                .child(checkbox)
3523                .on_mouse_down(MouseButton::Left, |_, _, cx| {
3524                    // prevent the list item active state triggering when toggling checkbox
3525                    cx.stop_propagation();
3526                })
3527                .into_any_element(),
3528        )
3529    }
3530
3531    fn render_entries(
3532        &self,
3533        has_write_access: bool,
3534        _: &Window,
3535        cx: &mut Context<Self>,
3536    ) -> impl IntoElement {
3537        let entry_count = self.entries.len();
3538
3539        let scroll_track_size = px(16.);
3540
3541        let h_scroll_offset = if self.vertical_scrollbar.show_scrollbar {
3542            // magic number
3543            px(3.)
3544        } else {
3545            px(0.)
3546        };
3547
3548        v_flex()
3549            .flex_1()
3550            .size_full()
3551            .overflow_hidden()
3552            .relative()
3553            // Show a border on the top and bottom of the container when
3554            // the vertical scrollbar container is visible so we don't have a
3555            // floating left border in the panel.
3556            .when(self.vertical_scrollbar.show_track, |this| {
3557                this.border_t_1()
3558                    .border_b_1()
3559                    .border_color(cx.theme().colors().border)
3560            })
3561            .child(
3562                h_flex()
3563                    .flex_1()
3564                    .size_full()
3565                    .relative()
3566                    .overflow_hidden()
3567                    .child(
3568                        uniform_list(cx.entity().clone(), "entries", entry_count, {
3569                            move |this, range, window, cx| {
3570                                let mut items = Vec::with_capacity(range.end - range.start);
3571
3572                                for ix in range {
3573                                    match &this.entries.get(ix) {
3574                                        Some(GitListEntry::GitStatusEntry(entry)) => {
3575                                            items.push(this.render_entry(
3576                                                ix,
3577                                                entry,
3578                                                has_write_access,
3579                                                window,
3580                                                cx,
3581                                            ));
3582                                        }
3583                                        Some(GitListEntry::Header(header)) => {
3584                                            items.push(this.render_list_header(
3585                                                ix,
3586                                                header,
3587                                                has_write_access,
3588                                                window,
3589                                                cx,
3590                                            ));
3591                                        }
3592                                        None => {}
3593                                    }
3594                                }
3595
3596                                items
3597                            }
3598                        })
3599                        .when(
3600                            !self.horizontal_scrollbar.show_track
3601                                && self.horizontal_scrollbar.show_scrollbar,
3602                            |this| {
3603                                // when not showing the horizontal scrollbar track, make sure we don't
3604                                // obscure the last entry
3605                                this.pb(scroll_track_size)
3606                            },
3607                        )
3608                        .size_full()
3609                        .flex_grow()
3610                        .with_sizing_behavior(ListSizingBehavior::Auto)
3611                        .with_horizontal_sizing_behavior(
3612                            ListHorizontalSizingBehavior::Unconstrained,
3613                        )
3614                        .with_width_from_item(self.max_width_item_index)
3615                        .track_scroll(self.scroll_handle.clone()),
3616                    )
3617                    .on_mouse_down(
3618                        MouseButton::Right,
3619                        cx.listener(move |this, event: &MouseDownEvent, window, cx| {
3620                            this.deploy_panel_context_menu(event.position, window, cx)
3621                        }),
3622                    )
3623                    .when(self.vertical_scrollbar.show_track, |this| {
3624                        this.child(
3625                            v_flex()
3626                                .h_full()
3627                                .flex_none()
3628                                .w(scroll_track_size)
3629                                .bg(cx.theme().colors().panel_background)
3630                                .child(
3631                                    div()
3632                                        .size_full()
3633                                        .flex_1()
3634                                        .border_l_1()
3635                                        .border_color(cx.theme().colors().border),
3636                                ),
3637                        )
3638                    })
3639                    .when(self.vertical_scrollbar.show_scrollbar, |this| {
3640                        this.child(
3641                            self.render_vertical_scrollbar(
3642                                self.horizontal_scrollbar.show_track,
3643                                cx,
3644                            ),
3645                        )
3646                    }),
3647            )
3648            .when(self.horizontal_scrollbar.show_track, |this| {
3649                this.child(
3650                    h_flex()
3651                        .w_full()
3652                        .h(scroll_track_size)
3653                        .flex_none()
3654                        .relative()
3655                        .child(
3656                            div()
3657                                .w_full()
3658                                .flex_1()
3659                                // for some reason the horizontal scrollbar is 1px
3660                                // taller than the vertical scrollbar??
3661                                .h(scroll_track_size - px(1.))
3662                                .bg(cx.theme().colors().panel_background)
3663                                .border_t_1()
3664                                .border_color(cx.theme().colors().border),
3665                        )
3666                        .when(self.vertical_scrollbar.show_track, |this| {
3667                            this.child(
3668                                div()
3669                                    .flex_none()
3670                                    // -1px prevents a missing pixel between the two container borders
3671                                    .w(scroll_track_size - px(1.))
3672                                    .h_full(),
3673                            )
3674                            .child(
3675                                // HACK: Fill the missing 1px 🥲
3676                                div()
3677                                    .absolute()
3678                                    .right(scroll_track_size - px(1.))
3679                                    .bottom(scroll_track_size - px(1.))
3680                                    .size_px()
3681                                    .bg(cx.theme().colors().border),
3682                            )
3683                        }),
3684                )
3685            })
3686            .when(self.horizontal_scrollbar.show_scrollbar, |this| {
3687                this.child(self.render_horizontal_scrollbar(h_scroll_offset, cx))
3688            })
3689    }
3690
3691    fn entry_label(&self, label: impl Into<SharedString>, color: Color) -> Label {
3692        Label::new(label.into()).color(color).single_line()
3693    }
3694
3695    fn list_item_height(&self) -> Rems {
3696        rems(1.75)
3697    }
3698
3699    fn render_list_header(
3700        &self,
3701        ix: usize,
3702        header: &GitHeaderEntry,
3703        _: bool,
3704        _: &Window,
3705        _: &Context<Self>,
3706    ) -> AnyElement {
3707        let id: ElementId = ElementId::Name(format!("header_{}", ix).into());
3708
3709        h_flex()
3710            .id(id)
3711            .h(self.list_item_height())
3712            .w_full()
3713            .items_end()
3714            .px(rems(0.75)) // ~12px
3715            .pb(rems(0.3125)) // ~ 5px
3716            .child(
3717                Label::new(header.title())
3718                    .color(Color::Muted)
3719                    .size(LabelSize::Small)
3720                    .line_height_style(LineHeightStyle::UiLabel)
3721                    .single_line(),
3722            )
3723            .into_any_element()
3724    }
3725
3726    pub fn load_commit_details(
3727        &self,
3728        sha: String,
3729        cx: &mut Context<Self>,
3730    ) -> Task<anyhow::Result<CommitDetails>> {
3731        let Some(repo) = self.active_repository.clone() else {
3732            return Task::ready(Err(anyhow::anyhow!("no active repo")));
3733        };
3734        repo.update(cx, |repo, cx| {
3735            let show = repo.show(sha);
3736            cx.spawn(async move |_, _| show.await?)
3737        })
3738    }
3739
3740    fn deploy_entry_context_menu(
3741        &mut self,
3742        position: Point<Pixels>,
3743        ix: usize,
3744        window: &mut Window,
3745        cx: &mut Context<Self>,
3746    ) {
3747        let Some(entry) = self.entries.get(ix).and_then(|e| e.status_entry()) else {
3748            return;
3749        };
3750        let stage_title = if entry.status.staging().is_fully_staged() {
3751            "Unstage File"
3752        } else {
3753            "Stage File"
3754        };
3755        let restore_title = if entry.status.is_created() {
3756            "Trash File"
3757        } else {
3758            "Restore File"
3759        };
3760        let context_menu = ContextMenu::build(window, cx, |context_menu, _, _| {
3761            context_menu
3762                .context(self.focus_handle.clone())
3763                .action(stage_title, ToggleStaged.boxed_clone())
3764                .action(restore_title, git::RestoreFile::default().boxed_clone())
3765                .separator()
3766                .action("Open Diff", Confirm.boxed_clone())
3767                .action("Open File", SecondaryConfirm.boxed_clone())
3768        });
3769        self.selected_entry = Some(ix);
3770        self.set_context_menu(context_menu, position, window, cx);
3771    }
3772
3773    fn deploy_panel_context_menu(
3774        &mut self,
3775        position: Point<Pixels>,
3776        window: &mut Window,
3777        cx: &mut Context<Self>,
3778    ) {
3779        let context_menu = git_panel_context_menu(
3780            self.focus_handle.clone(),
3781            GitMenuState {
3782                has_tracked_changes: self.has_tracked_changes(),
3783                has_staged_changes: self.has_staged_changes(),
3784                has_unstaged_changes: self.has_unstaged_changes(),
3785                has_new_changes: self.new_count > 0,
3786            },
3787            window,
3788            cx,
3789        );
3790        self.set_context_menu(context_menu, position, window, cx);
3791    }
3792
3793    fn set_context_menu(
3794        &mut self,
3795        context_menu: Entity<ContextMenu>,
3796        position: Point<Pixels>,
3797        window: &Window,
3798        cx: &mut Context<Self>,
3799    ) {
3800        let subscription = cx.subscribe_in(
3801            &context_menu,
3802            window,
3803            |this, _, _: &DismissEvent, window, cx| {
3804                if this.context_menu.as_ref().is_some_and(|context_menu| {
3805                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
3806                }) {
3807                    cx.focus_self(window);
3808                }
3809                this.context_menu.take();
3810                cx.notify();
3811            },
3812        );
3813        self.context_menu = Some((context_menu, position, subscription));
3814        cx.notify();
3815    }
3816
3817    fn render_entry(
3818        &self,
3819        ix: usize,
3820        entry: &GitStatusEntry,
3821        has_write_access: bool,
3822        window: &Window,
3823        cx: &Context<Self>,
3824    ) -> AnyElement {
3825        let display_name = entry.display_name();
3826
3827        let selected = self.selected_entry == Some(ix);
3828        let marked = self.marked_entries.contains(&ix);
3829        let status_style = GitPanelSettings::get_global(cx).status_style;
3830        let status = entry.status;
3831        let modifiers = self.current_modifiers;
3832        let shift_held = modifiers.shift;
3833
3834        let has_conflict = status.is_conflicted();
3835        let is_modified = status.is_modified();
3836        let is_deleted = status.is_deleted();
3837
3838        let label_color = if status_style == StatusStyle::LabelColor {
3839            if has_conflict {
3840                Color::VersionControlConflict
3841            } else if is_modified {
3842                Color::VersionControlModified
3843            } else if is_deleted {
3844                // We don't want a bunch of red labels in the list
3845                Color::Disabled
3846            } else {
3847                Color::VersionControlAdded
3848            }
3849        } else {
3850            Color::Default
3851        };
3852
3853        let path_color = if status.is_deleted() {
3854            Color::Disabled
3855        } else {
3856            Color::Muted
3857        };
3858
3859        let id: ElementId = ElementId::Name(format!("entry_{}_{}", display_name, ix).into());
3860        let checkbox_wrapper_id: ElementId =
3861            ElementId::Name(format!("entry_{}_{}_checkbox_wrapper", display_name, ix).into());
3862        let checkbox_id: ElementId =
3863            ElementId::Name(format!("entry_{}_{}_checkbox", display_name, ix).into());
3864
3865        let entry_staging = self.entry_staging(entry);
3866        let mut is_staged: ToggleState = self.entry_staging(entry).as_bool().into();
3867        if self.show_placeholders && !self.has_staged_changes() && !entry.status.is_created() {
3868            is_staged = ToggleState::Selected;
3869        }
3870
3871        let handle = cx.weak_entity();
3872
3873        let selected_bg_alpha = 0.08;
3874        let marked_bg_alpha = 0.12;
3875        let state_opacity_step = 0.04;
3876
3877        let base_bg = match (selected, marked) {
3878            (true, true) => cx
3879                .theme()
3880                .status()
3881                .info
3882                .alpha(selected_bg_alpha + marked_bg_alpha),
3883            (true, false) => cx.theme().status().info.alpha(selected_bg_alpha),
3884            (false, true) => cx.theme().status().info.alpha(marked_bg_alpha),
3885            _ => cx.theme().colors().ghost_element_background,
3886        };
3887
3888        let hover_bg = if selected {
3889            cx.theme()
3890                .status()
3891                .info
3892                .alpha(selected_bg_alpha + state_opacity_step)
3893        } else {
3894            cx.theme().colors().ghost_element_hover
3895        };
3896
3897        let active_bg = if selected {
3898            cx.theme()
3899                .status()
3900                .info
3901                .alpha(selected_bg_alpha + state_opacity_step * 2.0)
3902        } else {
3903            cx.theme().colors().ghost_element_active
3904        };
3905
3906        h_flex()
3907            .id(id)
3908            .h(self.list_item_height())
3909            .w_full()
3910            .items_center()
3911            .border_1()
3912            .when(selected && self.focus_handle.is_focused(window), |el| {
3913                el.border_color(cx.theme().colors().border_focused)
3914            })
3915            .px(rems(0.75)) // ~12px
3916            .overflow_hidden()
3917            .flex_none()
3918            .gap_1p5()
3919            .bg(base_bg)
3920            .hover(|this| this.bg(hover_bg))
3921            .active(|this| this.bg(active_bg))
3922            .on_click({
3923                cx.listener(move |this, event: &ClickEvent, window, cx| {
3924                    this.selected_entry = Some(ix);
3925                    cx.notify();
3926                    if event.modifiers().secondary() {
3927                        this.open_file(&Default::default(), window, cx)
3928                    } else {
3929                        this.open_diff(&Default::default(), window, cx);
3930                        this.focus_handle.focus(window);
3931                    }
3932                })
3933            })
3934            .on_mouse_down(
3935                MouseButton::Right,
3936                move |event: &MouseDownEvent, window, cx| {
3937                    // why isn't this happening automatically? we are passing MouseButton::Right to `on_mouse_down`?
3938                    if event.button != MouseButton::Right {
3939                        return;
3940                    }
3941
3942                    let Some(this) = handle.upgrade() else {
3943                        return;
3944                    };
3945                    this.update(cx, |this, cx| {
3946                        this.deploy_entry_context_menu(event.position, ix, window, cx);
3947                    });
3948                    cx.stop_propagation();
3949                },
3950            )
3951            // .on_secondary_mouse_down(cx.listener(
3952            //     move |this, event: &MouseDownEvent, window, cx| {
3953            //         this.deploy_entry_context_menu(event.position, ix, window, cx);
3954            //         cx.stop_propagation();
3955            //     },
3956            // ))
3957            .child(
3958                div()
3959                    .id(checkbox_wrapper_id)
3960                    .flex_none()
3961                    .occlude()
3962                    .cursor_pointer()
3963                    .child(
3964                        Checkbox::new(checkbox_id, is_staged)
3965                            .disabled(!has_write_access)
3966                            .fill()
3967                            .elevation(ElevationIndex::Surface)
3968                            .on_click({
3969                                let entry = entry.clone();
3970                                cx.listener(move |this, _, window, cx| {
3971                                    if !has_write_access {
3972                                        return;
3973                                    }
3974                                    this.toggle_staged_for_entry(
3975                                        &GitListEntry::GitStatusEntry(entry.clone()),
3976                                        window,
3977                                        cx,
3978                                    );
3979                                    cx.stop_propagation();
3980                                })
3981                            })
3982                            .tooltip(move |window, cx| {
3983                                let is_staged = entry_staging.is_fully_staged();
3984
3985                                let action = if is_staged { "Unstage" } else { "Stage" };
3986                                let tooltip_name = if shift_held {
3987                                    format!("{} section", action)
3988                                } else {
3989                                    action.to_string()
3990                                };
3991
3992                                let meta = if shift_held {
3993                                    format!(
3994                                        "Release shift to {} single entry",
3995                                        action.to_lowercase()
3996                                    )
3997                                } else {
3998                                    format!("Shift click to {} section", action.to_lowercase())
3999                                };
4000
4001                                Tooltip::with_meta(
4002                                    tooltip_name,
4003                                    Some(&ToggleStaged),
4004                                    meta,
4005                                    window,
4006                                    cx,
4007                                )
4008                            }),
4009                    ),
4010            )
4011            .child(git_status_icon(status))
4012            .child(
4013                h_flex()
4014                    .items_center()
4015                    .flex_1()
4016                    // .overflow_hidden()
4017                    .when_some(entry.parent_dir(), |this, parent| {
4018                        if !parent.is_empty() {
4019                            this.child(
4020                                self.entry_label(format!("{}/", parent), path_color)
4021                                    .when(status.is_deleted(), |this| this.strikethrough()),
4022                            )
4023                        } else {
4024                            this
4025                        }
4026                    })
4027                    .child(
4028                        self.entry_label(display_name.clone(), label_color)
4029                            .when(status.is_deleted(), |this| this.strikethrough()),
4030                    ),
4031            )
4032            .into_any_element()
4033    }
4034
4035    fn has_write_access(&self, cx: &App) -> bool {
4036        !self.project.read(cx).is_read_only(cx)
4037    }
4038
4039    pub fn amend_pending(&self) -> bool {
4040        self.amend_pending
4041    }
4042
4043    pub fn set_amend_pending(&mut self, value: bool, cx: &mut Context<Self>) {
4044        self.amend_pending = value;
4045        cx.notify();
4046    }
4047}
4048
4049fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn LanguageModel>> {
4050    assistant_settings::AssistantSettings::get_global(cx)
4051        .enabled
4052        .then(|| {
4053            let ConfiguredModel { provider, model } =
4054                LanguageModelRegistry::read_global(cx).commit_message_model()?;
4055
4056            provider.is_authenticated(cx).then(|| model)
4057        })
4058        .flatten()
4059}
4060
4061impl Render for GitPanel {
4062    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4063        let project = self.project.read(cx);
4064        let has_entries = self.entries.len() > 0;
4065        let room = self
4066            .workspace
4067            .upgrade()
4068            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned());
4069
4070        let has_write_access = self.has_write_access(cx);
4071
4072        let has_co_authors = room.map_or(false, |room| {
4073            room.read(cx)
4074                .remote_participants()
4075                .values()
4076                .any(|remote_participant| remote_participant.can_write())
4077        });
4078
4079        v_flex()
4080            .id("git_panel")
4081            .key_context(self.dispatch_context(window, cx))
4082            .track_focus(&self.focus_handle)
4083            .on_modifiers_changed(cx.listener(Self::handle_modifiers_changed))
4084            .when(has_write_access && !project.is_read_only(cx), |this| {
4085                this.on_action(cx.listener(Self::toggle_staged_for_selected))
4086                    .on_action(cx.listener(GitPanel::commit))
4087                    .on_action(cx.listener(GitPanel::amend))
4088                    .on_action(cx.listener(GitPanel::cancel))
4089                    .on_action(cx.listener(Self::stage_all))
4090                    .on_action(cx.listener(Self::unstage_all))
4091                    .on_action(cx.listener(Self::stage_selected))
4092                    .on_action(cx.listener(Self::unstage_selected))
4093                    .on_action(cx.listener(Self::restore_tracked_files))
4094                    .on_action(cx.listener(Self::revert_selected))
4095                    .on_action(cx.listener(Self::clean_all))
4096                    .on_action(cx.listener(Self::generate_commit_message_action))
4097            })
4098            .on_action(cx.listener(Self::select_first))
4099            .on_action(cx.listener(Self::select_next))
4100            .on_action(cx.listener(Self::select_previous))
4101            .on_action(cx.listener(Self::select_last))
4102            .on_action(cx.listener(Self::close_panel))
4103            .on_action(cx.listener(Self::open_diff))
4104            .on_action(cx.listener(Self::open_file))
4105            .on_action(cx.listener(Self::focus_changes_list))
4106            .on_action(cx.listener(Self::focus_editor))
4107            .on_action(cx.listener(Self::expand_commit_editor))
4108            .when(has_write_access && has_co_authors, |git_panel| {
4109                git_panel.on_action(cx.listener(Self::toggle_fill_co_authors))
4110            })
4111            .on_hover(cx.listener(move |this, hovered, window, cx| {
4112                if *hovered {
4113                    this.horizontal_scrollbar.show(cx);
4114                    this.vertical_scrollbar.show(cx);
4115                    cx.notify();
4116                } else if !this.focus_handle.contains_focused(window, cx) {
4117                    this.hide_scrollbars(window, cx);
4118                }
4119            }))
4120            .size_full()
4121            .overflow_hidden()
4122            .bg(cx.theme().colors().panel_background)
4123            .child(
4124                v_flex()
4125                    .size_full()
4126                    .children(self.render_panel_header(window, cx))
4127                    .map(|this| {
4128                        if has_entries {
4129                            this.child(self.render_entries(has_write_access, window, cx))
4130                        } else {
4131                            this.child(self.render_empty_state(cx).into_any_element())
4132                        }
4133                    })
4134                    .children(self.render_footer(window, cx))
4135                    .when(self.amend_pending, |this| {
4136                        this.child(self.render_pending_amend(cx))
4137                    })
4138                    .when(!self.amend_pending, |this| {
4139                        this.children(self.render_previous_commit(cx))
4140                    })
4141                    .into_any_element(),
4142            )
4143            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
4144                deferred(
4145                    anchored()
4146                        .position(*position)
4147                        .anchor(Corner::TopLeft)
4148                        .child(menu.clone()),
4149                )
4150                .with_priority(1)
4151            }))
4152    }
4153}
4154
4155impl Focusable for GitPanel {
4156    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
4157        if self.entries.is_empty() {
4158            self.commit_editor.focus_handle(cx)
4159        } else {
4160            self.focus_handle.clone()
4161        }
4162    }
4163}
4164
4165impl EventEmitter<Event> for GitPanel {}
4166
4167impl EventEmitter<PanelEvent> for GitPanel {}
4168
4169pub(crate) struct GitPanelAddon {
4170    pub(crate) workspace: WeakEntity<Workspace>,
4171}
4172
4173impl editor::Addon for GitPanelAddon {
4174    fn to_any(&self) -> &dyn std::any::Any {
4175        self
4176    }
4177
4178    fn render_buffer_header_controls(
4179        &self,
4180        excerpt_info: &ExcerptInfo,
4181        window: &Window,
4182        cx: &App,
4183    ) -> Option<AnyElement> {
4184        let file = excerpt_info.buffer.file()?;
4185        let git_panel = self.workspace.upgrade()?.read(cx).panel::<GitPanel>(cx)?;
4186
4187        git_panel
4188            .read(cx)
4189            .render_buffer_header_controls(&git_panel, &file, window, cx)
4190    }
4191}
4192
4193impl Panel for GitPanel {
4194    fn persistent_name() -> &'static str {
4195        "GitPanel"
4196    }
4197
4198    fn position(&self, _: &Window, cx: &App) -> DockPosition {
4199        GitPanelSettings::get_global(cx).dock
4200    }
4201
4202    fn position_is_valid(&self, position: DockPosition) -> bool {
4203        matches!(position, DockPosition::Left | DockPosition::Right)
4204    }
4205
4206    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
4207        settings::update_settings_file::<GitPanelSettings>(
4208            self.fs.clone(),
4209            cx,
4210            move |settings, _| settings.dock = Some(position),
4211        );
4212    }
4213
4214    fn size(&self, _: &Window, cx: &App) -> Pixels {
4215        self.width
4216            .unwrap_or_else(|| GitPanelSettings::get_global(cx).default_width)
4217    }
4218
4219    fn set_size(&mut self, size: Option<Pixels>, _: &mut Window, cx: &mut Context<Self>) {
4220        self.width = size;
4221        self.serialize(cx);
4222        cx.notify();
4223    }
4224
4225    fn icon(&self, _: &Window, cx: &App) -> Option<ui::IconName> {
4226        Some(ui::IconName::GitBranchSmall).filter(|_| GitPanelSettings::get_global(cx).button)
4227    }
4228
4229    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
4230        Some("Git Panel")
4231    }
4232
4233    fn toggle_action(&self) -> Box<dyn Action> {
4234        Box::new(ToggleFocus)
4235    }
4236
4237    fn activation_priority(&self) -> u32 {
4238        2
4239    }
4240}
4241
4242impl PanelHeader for GitPanel {}
4243
4244struct GitPanelMessageTooltip {
4245    commit_tooltip: Option<Entity<CommitTooltip>>,
4246}
4247
4248impl GitPanelMessageTooltip {
4249    fn new(
4250        git_panel: Entity<GitPanel>,
4251        sha: SharedString,
4252        repository: Entity<Repository>,
4253        window: &mut Window,
4254        cx: &mut App,
4255    ) -> Entity<Self> {
4256        cx.new(|cx| {
4257            cx.spawn_in(window, async move |this, cx| {
4258                let (details, workspace) = git_panel.update(cx, |git_panel, cx| {
4259                    (
4260                        git_panel.load_commit_details(sha.to_string(), cx),
4261                        git_panel.workspace.clone(),
4262                    )
4263                })?;
4264                let details = details.await?;
4265
4266                let commit_details = crate::commit_tooltip::CommitDetails {
4267                    sha: details.sha.clone(),
4268                    author_name: details.author_name.clone(),
4269                    author_email: details.author_email.clone(),
4270                    commit_time: OffsetDateTime::from_unix_timestamp(details.commit_timestamp)?,
4271                    message: Some(ParsedCommitMessage {
4272                        message: details.message.clone(),
4273                        ..Default::default()
4274                    }),
4275                };
4276
4277                this.update(cx, |this: &mut GitPanelMessageTooltip, cx| {
4278                    this.commit_tooltip = Some(cx.new(move |cx| {
4279                        CommitTooltip::new(commit_details, repository, workspace, cx)
4280                    }));
4281                    cx.notify();
4282                })
4283            })
4284            .detach();
4285
4286            Self {
4287                commit_tooltip: None,
4288            }
4289        })
4290    }
4291}
4292
4293impl Render for GitPanelMessageTooltip {
4294    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4295        if let Some(commit_tooltip) = &self.commit_tooltip {
4296            commit_tooltip.clone().into_any_element()
4297        } else {
4298            gpui::Empty.into_any_element()
4299        }
4300    }
4301}
4302
4303#[derive(IntoElement, RegisterComponent)]
4304pub struct PanelRepoFooter {
4305    active_repository: SharedString,
4306    branch: Option<Branch>,
4307    head_commit: Option<CommitDetails>,
4308
4309    // Getting a GitPanel in previews will be difficult.
4310    //
4311    // For now just take an option here, and we won't bind handlers to buttons in previews.
4312    git_panel: Option<Entity<GitPanel>>,
4313}
4314
4315impl PanelRepoFooter {
4316    pub fn new(
4317        active_repository: SharedString,
4318        branch: Option<Branch>,
4319        head_commit: Option<CommitDetails>,
4320        git_panel: Option<Entity<GitPanel>>,
4321    ) -> Self {
4322        Self {
4323            active_repository,
4324            branch,
4325            head_commit,
4326            git_panel,
4327        }
4328    }
4329
4330    pub fn new_preview(active_repository: SharedString, branch: Option<Branch>) -> Self {
4331        Self {
4332            active_repository,
4333            branch,
4334            head_commit: None,
4335            git_panel: None,
4336        }
4337    }
4338}
4339
4340impl RenderOnce for PanelRepoFooter {
4341    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
4342        let project = self
4343            .git_panel
4344            .as_ref()
4345            .map(|panel| panel.read(cx).project.clone());
4346
4347        let repo = self
4348            .git_panel
4349            .as_ref()
4350            .and_then(|panel| panel.read(cx).active_repository.clone());
4351
4352        let single_repo = project
4353            .as_ref()
4354            .map(|project| project.read(cx).git_store().read(cx).repositories().len() == 1)
4355            .unwrap_or(true);
4356
4357        const MAX_BRANCH_LEN: usize = 16;
4358        const MAX_REPO_LEN: usize = 16;
4359        const LABEL_CHARACTER_BUDGET: usize = MAX_BRANCH_LEN + MAX_REPO_LEN;
4360        const MAX_SHORT_SHA_LEN: usize = 8;
4361
4362        let branch_name = self
4363            .branch
4364            .as_ref()
4365            .map(|branch| branch.name().to_owned())
4366            .or_else(|| {
4367                self.head_commit.as_ref().map(|commit| {
4368                    commit
4369                        .sha
4370                        .chars()
4371                        .take(MAX_SHORT_SHA_LEN)
4372                        .collect::<String>()
4373                })
4374            })
4375            .unwrap_or_else(|| " (no branch)".to_owned());
4376        let show_separator = self.branch.is_some() || self.head_commit.is_some();
4377
4378        let active_repo_name = self.active_repository.clone();
4379
4380        let branch_actual_len = branch_name.len();
4381        let repo_actual_len = active_repo_name.len();
4382
4383        // ideally, show the whole branch and repo names but
4384        // when we can't, use a budget to allocate space between the two
4385        let (repo_display_len, branch_display_len) = if branch_actual_len + repo_actual_len
4386            <= LABEL_CHARACTER_BUDGET
4387        {
4388            (repo_actual_len, branch_actual_len)
4389        } else {
4390            if branch_actual_len <= MAX_BRANCH_LEN {
4391                let repo_space = (LABEL_CHARACTER_BUDGET - branch_actual_len).min(MAX_REPO_LEN);
4392                (repo_space, branch_actual_len)
4393            } else if repo_actual_len <= MAX_REPO_LEN {
4394                let branch_space = (LABEL_CHARACTER_BUDGET - repo_actual_len).min(MAX_BRANCH_LEN);
4395                (repo_actual_len, branch_space)
4396            } else {
4397                (MAX_REPO_LEN, MAX_BRANCH_LEN)
4398            }
4399        };
4400
4401        let truncated_repo_name = if repo_actual_len <= repo_display_len {
4402            active_repo_name.to_string()
4403        } else {
4404            util::truncate_and_trailoff(active_repo_name.trim_ascii(), repo_display_len)
4405        };
4406
4407        let truncated_branch_name = if branch_actual_len <= branch_display_len {
4408            branch_name.to_string()
4409        } else {
4410            util::truncate_and_trailoff(branch_name.trim_ascii(), branch_display_len)
4411        };
4412
4413        let repo_selector_trigger = Button::new("repo-selector", truncated_repo_name)
4414            .style(ButtonStyle::Transparent)
4415            .size(ButtonSize::None)
4416            .label_size(LabelSize::Small)
4417            .color(Color::Muted);
4418
4419        let repo_selector = PopoverMenu::new("repository-switcher")
4420            .menu({
4421                let project = project.clone();
4422                move |window, cx| {
4423                    let project = project.clone()?;
4424                    Some(cx.new(|cx| RepositorySelector::new(project, rems(16.), window, cx)))
4425                }
4426            })
4427            .trigger_with_tooltip(
4428                repo_selector_trigger.disabled(single_repo).truncate(true),
4429                Tooltip::text("Switch active repository"),
4430            )
4431            .anchor(Corner::BottomLeft)
4432            .into_any_element();
4433
4434        let branch_selector_button = Button::new("branch-selector", truncated_branch_name)
4435            .style(ButtonStyle::Transparent)
4436            .size(ButtonSize::None)
4437            .label_size(LabelSize::Small)
4438            .truncate(true)
4439            .tooltip(Tooltip::for_action_title(
4440                "Switch Branch",
4441                &zed_actions::git::Switch,
4442            ))
4443            .on_click(|_, window, cx| {
4444                window.dispatch_action(zed_actions::git::Switch.boxed_clone(), cx);
4445            });
4446
4447        let branch_selector = PopoverMenu::new("popover-button")
4448            .menu(move |window, cx| Some(branch_picker::popover(repo.clone(), window, cx)))
4449            .trigger_with_tooltip(
4450                branch_selector_button,
4451                Tooltip::for_action_title("Switch Branch", &zed_actions::git::Switch),
4452            )
4453            .anchor(Corner::BottomLeft)
4454            .offset(gpui::Point {
4455                x: px(0.0),
4456                y: px(-2.0),
4457            });
4458
4459        h_flex()
4460            .w_full()
4461            .px_2()
4462            .h(px(36.))
4463            .items_center()
4464            .justify_between()
4465            .gap_1()
4466            .child(
4467                h_flex()
4468                    .flex_1()
4469                    .overflow_hidden()
4470                    .items_center()
4471                    .child(
4472                        div().child(
4473                            Icon::new(IconName::GitBranchSmall)
4474                                .size(IconSize::Small)
4475                                .color(if single_repo {
4476                                    Color::Disabled
4477                                } else {
4478                                    Color::Muted
4479                                }),
4480                        ),
4481                    )
4482                    .child(repo_selector)
4483                    .when(show_separator, |this| {
4484                        this.child(
4485                            div()
4486                                .text_color(cx.theme().colors().text_muted)
4487                                .text_sm()
4488                                .child("/"),
4489                        )
4490                    })
4491                    .child(branch_selector),
4492            )
4493            .children(if let Some(git_panel) = self.git_panel {
4494                git_panel.update(cx, |git_panel, cx| git_panel.render_remote_button(cx))
4495            } else {
4496                None
4497            })
4498    }
4499}
4500
4501impl Component for PanelRepoFooter {
4502    fn scope() -> ComponentScope {
4503        ComponentScope::VersionControl
4504    }
4505
4506    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
4507        let unknown_upstream = None;
4508        let no_remote_upstream = Some(UpstreamTracking::Gone);
4509        let ahead_of_upstream = Some(
4510            UpstreamTrackingStatus {
4511                ahead: 2,
4512                behind: 0,
4513            }
4514            .into(),
4515        );
4516        let behind_upstream = Some(
4517            UpstreamTrackingStatus {
4518                ahead: 0,
4519                behind: 2,
4520            }
4521            .into(),
4522        );
4523        let ahead_and_behind_upstream = Some(
4524            UpstreamTrackingStatus {
4525                ahead: 3,
4526                behind: 1,
4527            }
4528            .into(),
4529        );
4530
4531        let not_ahead_or_behind_upstream = Some(
4532            UpstreamTrackingStatus {
4533                ahead: 0,
4534                behind: 0,
4535            }
4536            .into(),
4537        );
4538
4539        fn branch(upstream: Option<UpstreamTracking>) -> Branch {
4540            Branch {
4541                is_head: true,
4542                ref_name: "some-branch".into(),
4543                upstream: upstream.map(|tracking| Upstream {
4544                    ref_name: "origin/some-branch".into(),
4545                    tracking,
4546                }),
4547                most_recent_commit: Some(CommitSummary {
4548                    sha: "abc123".into(),
4549                    subject: "Modify stuff".into(),
4550                    commit_timestamp: 1710932954,
4551                    has_parent: true,
4552                }),
4553            }
4554        }
4555
4556        fn custom(branch_name: &str, upstream: Option<UpstreamTracking>) -> Branch {
4557            Branch {
4558                is_head: true,
4559                ref_name: branch_name.to_string().into(),
4560                upstream: upstream.map(|tracking| Upstream {
4561                    ref_name: format!("zed/{}", branch_name).into(),
4562                    tracking,
4563                }),
4564                most_recent_commit: Some(CommitSummary {
4565                    sha: "abc123".into(),
4566                    subject: "Modify stuff".into(),
4567                    commit_timestamp: 1710932954,
4568                    has_parent: true,
4569                }),
4570            }
4571        }
4572
4573        fn active_repository(id: usize) -> SharedString {
4574            format!("repo-{}", id).into()
4575        }
4576
4577        let example_width = px(340.);
4578        Some(
4579            v_flex()
4580                .gap_6()
4581                .w_full()
4582                .flex_none()
4583                .children(vec![
4584                    example_group_with_title(
4585                        "Action Button States",
4586                        vec![
4587                            single_example(
4588                                "No Branch",
4589                                div()
4590                                    .w(example_width)
4591                                    .overflow_hidden()
4592                                    .child(PanelRepoFooter::new_preview(
4593                                        active_repository(1).clone(),
4594                                        None,
4595                                    ))
4596                                    .into_any_element(),
4597                            ),
4598                            single_example(
4599                                "Remote status unknown",
4600                                div()
4601                                    .w(example_width)
4602                                    .overflow_hidden()
4603                                    .child(PanelRepoFooter::new_preview(
4604                                        active_repository(2).clone(),
4605                                        Some(branch(unknown_upstream)),
4606                                    ))
4607                                    .into_any_element(),
4608                            ),
4609                            single_example(
4610                                "No Remote Upstream",
4611                                div()
4612                                    .w(example_width)
4613                                    .overflow_hidden()
4614                                    .child(PanelRepoFooter::new_preview(
4615                                        active_repository(3).clone(),
4616                                        Some(branch(no_remote_upstream)),
4617                                    ))
4618                                    .into_any_element(),
4619                            ),
4620                            single_example(
4621                                "Not Ahead or Behind",
4622                                div()
4623                                    .w(example_width)
4624                                    .overflow_hidden()
4625                                    .child(PanelRepoFooter::new_preview(
4626                                        active_repository(4).clone(),
4627                                        Some(branch(not_ahead_or_behind_upstream)),
4628                                    ))
4629                                    .into_any_element(),
4630                            ),
4631                            single_example(
4632                                "Behind remote",
4633                                div()
4634                                    .w(example_width)
4635                                    .overflow_hidden()
4636                                    .child(PanelRepoFooter::new_preview(
4637                                        active_repository(5).clone(),
4638                                        Some(branch(behind_upstream)),
4639                                    ))
4640                                    .into_any_element(),
4641                            ),
4642                            single_example(
4643                                "Ahead of remote",
4644                                div()
4645                                    .w(example_width)
4646                                    .overflow_hidden()
4647                                    .child(PanelRepoFooter::new_preview(
4648                                        active_repository(6).clone(),
4649                                        Some(branch(ahead_of_upstream)),
4650                                    ))
4651                                    .into_any_element(),
4652                            ),
4653                            single_example(
4654                                "Ahead and behind remote",
4655                                div()
4656                                    .w(example_width)
4657                                    .overflow_hidden()
4658                                    .child(PanelRepoFooter::new_preview(
4659                                        active_repository(7).clone(),
4660                                        Some(branch(ahead_and_behind_upstream)),
4661                                    ))
4662                                    .into_any_element(),
4663                            ),
4664                        ],
4665                    )
4666                    .grow()
4667                    .vertical(),
4668                ])
4669                .children(vec![
4670                    example_group_with_title(
4671                        "Labels",
4672                        vec![
4673                            single_example(
4674                                "Short Branch & Repo",
4675                                div()
4676                                    .w(example_width)
4677                                    .overflow_hidden()
4678                                    .child(PanelRepoFooter::new_preview(
4679                                        SharedString::from("zed"),
4680                                        Some(custom("main", behind_upstream)),
4681                                    ))
4682                                    .into_any_element(),
4683                            ),
4684                            single_example(
4685                                "Long Branch",
4686                                div()
4687                                    .w(example_width)
4688                                    .overflow_hidden()
4689                                    .child(PanelRepoFooter::new_preview(
4690                                        SharedString::from("zed"),
4691                                        Some(custom(
4692                                            "redesign-and-update-git-ui-list-entry-style",
4693                                            behind_upstream,
4694                                        )),
4695                                    ))
4696                                    .into_any_element(),
4697                            ),
4698                            single_example(
4699                                "Long Repo",
4700                                div()
4701                                    .w(example_width)
4702                                    .overflow_hidden()
4703                                    .child(PanelRepoFooter::new_preview(
4704                                        SharedString::from("zed-industries-community-examples"),
4705                                        Some(custom("gpui", ahead_of_upstream)),
4706                                    ))
4707                                    .into_any_element(),
4708                            ),
4709                            single_example(
4710                                "Long Repo & Branch",
4711                                div()
4712                                    .w(example_width)
4713                                    .overflow_hidden()
4714                                    .child(PanelRepoFooter::new_preview(
4715                                        SharedString::from("zed-industries-community-examples"),
4716                                        Some(custom(
4717                                            "redesign-and-update-git-ui-list-entry-style",
4718                                            behind_upstream,
4719                                        )),
4720                                    ))
4721                                    .into_any_element(),
4722                            ),
4723                            single_example(
4724                                "Uppercase Repo",
4725                                div()
4726                                    .w(example_width)
4727                                    .overflow_hidden()
4728                                    .child(PanelRepoFooter::new_preview(
4729                                        SharedString::from("LICENSES"),
4730                                        Some(custom("main", ahead_of_upstream)),
4731                                    ))
4732                                    .into_any_element(),
4733                            ),
4734                            single_example(
4735                                "Uppercase Branch",
4736                                div()
4737                                    .w(example_width)
4738                                    .overflow_hidden()
4739                                    .child(PanelRepoFooter::new_preview(
4740                                        SharedString::from("zed"),
4741                                        Some(custom("update-README", behind_upstream)),
4742                                    ))
4743                                    .into_any_element(),
4744                            ),
4745                        ],
4746                    )
4747                    .grow()
4748                    .vertical(),
4749                ])
4750                .into_any_element(),
4751        )
4752    }
4753}
4754
4755#[cfg(test)]
4756mod tests {
4757    use git::status::StatusCode;
4758    use gpui::TestAppContext;
4759    use project::{FakeFs, WorktreeSettings};
4760    use serde_json::json;
4761    use settings::SettingsStore;
4762    use theme::LoadThemes;
4763    use util::path;
4764
4765    use super::*;
4766
4767    fn init_test(cx: &mut gpui::TestAppContext) {
4768        if std::env::var("RUST_LOG").is_ok() {
4769            env_logger::try_init().ok();
4770        }
4771
4772        cx.update(|cx| {
4773            let settings_store = SettingsStore::test(cx);
4774            cx.set_global(settings_store);
4775            AssistantSettings::register(cx);
4776            WorktreeSettings::register(cx);
4777            workspace::init_settings(cx);
4778            theme::init(LoadThemes::JustBase, cx);
4779            language::init(cx);
4780            editor::init(cx);
4781            Project::init_settings(cx);
4782            crate::init(cx);
4783        });
4784    }
4785
4786    #[gpui::test]
4787    async fn test_entry_worktree_paths(cx: &mut TestAppContext) {
4788        init_test(cx);
4789        let fs = FakeFs::new(cx.background_executor.clone());
4790        fs.insert_tree(
4791            "/root",
4792            json!({
4793                "zed": {
4794                    ".git": {},
4795                    "crates": {
4796                        "gpui": {
4797                            "gpui.rs": "fn main() {}"
4798                        },
4799                        "util": {
4800                            "util.rs": "fn do_it() {}"
4801                        }
4802                    }
4803                },
4804            }),
4805        )
4806        .await;
4807
4808        fs.set_status_for_repo(
4809            Path::new(path!("/root/zed/.git")),
4810            &[
4811                (
4812                    Path::new("crates/gpui/gpui.rs"),
4813                    StatusCode::Modified.worktree(),
4814                ),
4815                (
4816                    Path::new("crates/util/util.rs"),
4817                    StatusCode::Modified.worktree(),
4818                ),
4819            ],
4820        );
4821
4822        let project =
4823            Project::test(fs.clone(), [path!("/root/zed/crates/gpui").as_ref()], cx).await;
4824        let (workspace, cx) =
4825            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4826
4827        cx.read(|cx| {
4828            project
4829                .read(cx)
4830                .worktrees(cx)
4831                .nth(0)
4832                .unwrap()
4833                .read(cx)
4834                .as_local()
4835                .unwrap()
4836                .scan_complete()
4837        })
4838        .await;
4839
4840        cx.executor().run_until_parked();
4841
4842        let app_state = workspace.update(cx, |workspace, _| workspace.app_state().clone());
4843        let panel = cx.new_window_entity(|window, cx| {
4844            GitPanel::new(workspace.clone(), project.clone(), app_state, window, cx)
4845        });
4846
4847        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4848            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4849        });
4850        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4851        handle.await;
4852
4853        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4854        pretty_assertions::assert_eq!(
4855            entries,
4856            [
4857                GitListEntry::Header(GitHeaderEntry {
4858                    header: Section::Tracked
4859                }),
4860                GitListEntry::GitStatusEntry(GitStatusEntry {
4861                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4862                    repo_path: "crates/gpui/gpui.rs".into(),
4863                    status: StatusCode::Modified.worktree(),
4864                    staging: StageStatus::Unstaged,
4865                }),
4866                GitListEntry::GitStatusEntry(GitStatusEntry {
4867                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4868                    repo_path: "crates/util/util.rs".into(),
4869                    status: StatusCode::Modified.worktree(),
4870                    staging: StageStatus::Unstaged,
4871                },),
4872            ],
4873        );
4874
4875        // TODO(cole) restore this once repository deduplication is implemented properly.
4876        //cx.update_window_entity(&panel, |panel, window, cx| {
4877        //    panel.select_last(&Default::default(), window, cx);
4878        //    assert_eq!(panel.selected_entry, Some(2));
4879        //    panel.open_diff(&Default::default(), window, cx);
4880        //});
4881        //cx.run_until_parked();
4882
4883        //let worktree_roots = workspace.update(cx, |workspace, cx| {
4884        //    workspace
4885        //        .worktrees(cx)
4886        //        .map(|worktree| worktree.read(cx).abs_path())
4887        //        .collect::<Vec<_>>()
4888        //});
4889        //pretty_assertions::assert_eq!(
4890        //    worktree_roots,
4891        //    vec![
4892        //        Path::new(path!("/root/zed/crates/gpui")).into(),
4893        //        Path::new(path!("/root/zed/crates/util/util.rs")).into(),
4894        //    ]
4895        //);
4896
4897        //project.update(cx, |project, cx| {
4898        //    let git_store = project.git_store().read(cx);
4899        //    // The repo that comes from the single-file worktree can't be selected through the UI.
4900        //    let filtered_entries = filtered_repository_entries(git_store, cx)
4901        //        .iter()
4902        //        .map(|repo| repo.read(cx).worktree_abs_path.clone())
4903        //        .collect::<Vec<_>>();
4904        //    assert_eq!(
4905        //        filtered_entries,
4906        //        [Path::new(path!("/root/zed/crates/gpui")).into()]
4907        //    );
4908        //    // But we can select it artificially here.
4909        //    let repo_from_single_file_worktree = git_store
4910        //        .repositories()
4911        //        .values()
4912        //        .find(|repo| {
4913        //            repo.read(cx).worktree_abs_path.as_ref()
4914        //                == Path::new(path!("/root/zed/crates/util/util.rs"))
4915        //        })
4916        //        .unwrap()
4917        //        .clone();
4918
4919        //    // Paths still make sense when we somehow activate a repo that comes from a single-file worktree.
4920        //    repo_from_single_file_worktree.update(cx, |repo, cx| repo.set_as_active_repository(cx));
4921        //});
4922
4923        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4924            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4925        });
4926        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4927        handle.await;
4928        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4929        pretty_assertions::assert_eq!(
4930            entries,
4931            [
4932                GitListEntry::Header(GitHeaderEntry {
4933                    header: Section::Tracked
4934                }),
4935                GitListEntry::GitStatusEntry(GitStatusEntry {
4936                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4937                    repo_path: "crates/gpui/gpui.rs".into(),
4938                    status: StatusCode::Modified.worktree(),
4939                    staging: StageStatus::Unstaged,
4940                }),
4941                GitListEntry::GitStatusEntry(GitStatusEntry {
4942                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4943                    repo_path: "crates/util/util.rs".into(),
4944                    status: StatusCode::Modified.worktree(),
4945                    staging: StageStatus::Unstaged,
4946                },),
4947            ],
4948        );
4949    }
4950}