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::num::NonZeroU32;
  58use std::path::{Path, PathBuf};
  59use std::{collections::HashSet, sync::Arc, time::Duration, usize};
  60use strum::{IntoEnumIterator, VariantNames};
  61use time::OffsetDateTime;
  62use ui::{
  63    Checkbox, ContextMenu, ElevationIndex, PopoverMenu, Scrollbar, ScrollbarState, SplitButton,
  64    Tooltip, prelude::*,
  65};
  66use util::{ResultExt, TryFutureExt, maybe, wrap_with_prefix};
  67use workspace::AppState;
  68
  69use notifications::status_toast::{StatusToast, ToastIcon};
  70use workspace::{
  71    Workspace,
  72    dock::{DockPosition, Panel, PanelEvent},
  73    notifications::DetachAndPromptErr,
  74};
  75
  76actions!(
  77    git_panel,
  78    [
  79        Close,
  80        ToggleFocus,
  81        OpenMenu,
  82        FocusEditor,
  83        FocusChanges,
  84        ToggleFillCoAuthors,
  85        GenerateCommitMessage
  86    ]
  87);
  88
  89fn prompt<T>(
  90    msg: &str,
  91    detail: Option<&str>,
  92    window: &mut Window,
  93    cx: &mut App,
  94) -> Task<anyhow::Result<T>>
  95where
  96    T: IntoEnumIterator + VariantNames + 'static,
  97{
  98    let rx = window.prompt(PromptLevel::Info, msg, detail, &T::VARIANTS, cx);
  99    cx.spawn(async move |_| Ok(T::iter().nth(rx.await?).unwrap()))
 100}
 101
 102#[derive(strum::EnumIter, strum::VariantNames)]
 103#[strum(serialize_all = "title_case")]
 104enum TrashCancel {
 105    Trash,
 106    Cancel,
 107}
 108
 109struct GitMenuState {
 110    has_tracked_changes: bool,
 111    has_staged_changes: bool,
 112    has_unstaged_changes: bool,
 113    has_new_changes: bool,
 114}
 115
 116fn git_panel_context_menu(
 117    focus_handle: FocusHandle,
 118    state: GitMenuState,
 119    window: &mut Window,
 120    cx: &mut App,
 121) -> Entity<ContextMenu> {
 122    ContextMenu::build(window, cx, move |context_menu, _, _| {
 123        context_menu
 124            .context(focus_handle)
 125            .map(|menu| {
 126                if state.has_unstaged_changes {
 127                    menu.action("Stage All", StageAll.boxed_clone())
 128                } else {
 129                    menu.disabled_action("Stage All", StageAll.boxed_clone())
 130                }
 131            })
 132            .map(|menu| {
 133                if state.has_staged_changes {
 134                    menu.action("Unstage All", UnstageAll.boxed_clone())
 135                } else {
 136                    menu.disabled_action("Unstage All", UnstageAll.boxed_clone())
 137                }
 138            })
 139            .separator()
 140            .action("Open Diff", project_diff::Diff.boxed_clone())
 141            .separator()
 142            .map(|menu| {
 143                if state.has_tracked_changes {
 144                    menu.action("Discard Tracked Changes", RestoreTrackedFiles.boxed_clone())
 145                } else {
 146                    menu.disabled_action(
 147                        "Discard Tracked Changes",
 148                        RestoreTrackedFiles.boxed_clone(),
 149                    )
 150                }
 151            })
 152            .map(|menu| {
 153                if state.has_new_changes {
 154                    menu.action("Trash Untracked Files", TrashUntrackedFiles.boxed_clone())
 155                } else {
 156                    menu.disabled_action("Trash Untracked Files", TrashUntrackedFiles.boxed_clone())
 157                }
 158            })
 159    })
 160}
 161
 162const GIT_PANEL_KEY: &str = "GitPanel";
 163
 164const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
 165
 166pub fn register(workspace: &mut Workspace) {
 167    workspace.register_action(|workspace, _: &ToggleFocus, window, cx| {
 168        workspace.toggle_panel_focus::<GitPanel>(window, cx);
 169    });
 170    workspace.register_action(|workspace, _: &ExpandCommitEditor, window, cx| {
 171        CommitModal::toggle(workspace, None, window, cx)
 172    });
 173}
 174
 175#[derive(Debug, Clone)]
 176pub enum Event {
 177    Focus,
 178}
 179
 180#[derive(Serialize, Deserialize)]
 181struct SerializedGitPanel {
 182    width: Option<Pixels>,
 183}
 184
 185#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 186enum Section {
 187    Conflict,
 188    Tracked,
 189    New,
 190}
 191
 192#[derive(Debug, PartialEq, Eq, Clone)]
 193struct GitHeaderEntry {
 194    header: Section,
 195}
 196
 197impl GitHeaderEntry {
 198    pub fn contains(&self, status_entry: &GitStatusEntry, repo: &Repository) -> bool {
 199        let this = &self.header;
 200        let status = status_entry.status;
 201        match this {
 202            Section::Conflict => repo.has_conflict(&status_entry.repo_path),
 203            Section::Tracked => !status.is_created(),
 204            Section::New => status.is_created(),
 205        }
 206    }
 207    pub fn title(&self) -> &'static str {
 208        match self.header {
 209            Section::Conflict => "Conflicts",
 210            Section::Tracked => "Tracked",
 211            Section::New => "Untracked",
 212        }
 213    }
 214}
 215
 216#[derive(Debug, PartialEq, Eq, Clone)]
 217enum GitListEntry {
 218    GitStatusEntry(GitStatusEntry),
 219    Header(GitHeaderEntry),
 220}
 221
 222impl GitListEntry {
 223    fn status_entry(&self) -> Option<&GitStatusEntry> {
 224        match self {
 225            GitListEntry::GitStatusEntry(entry) => Some(entry),
 226            _ => None,
 227        }
 228    }
 229}
 230
 231#[derive(Debug, PartialEq, Eq, Clone)]
 232pub struct GitStatusEntry {
 233    pub(crate) repo_path: RepoPath,
 234    pub(crate) abs_path: PathBuf,
 235    pub(crate) status: FileStatus,
 236    pub(crate) staging: StageStatus,
 237}
 238
 239impl GitStatusEntry {
 240    fn display_name(&self) -> String {
 241        self.repo_path
 242            .file_name()
 243            .map(|name| name.to_string_lossy().into_owned())
 244            .unwrap_or_else(|| self.repo_path.to_string_lossy().into_owned())
 245    }
 246
 247    fn parent_dir(&self) -> Option<String> {
 248        self.repo_path
 249            .parent()
 250            .map(|parent| parent.to_string_lossy().into_owned())
 251    }
 252}
 253
 254#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 255enum TargetStatus {
 256    Staged,
 257    Unstaged,
 258    Reverted,
 259    Unchanged,
 260}
 261
 262struct PendingOperation {
 263    finished: bool,
 264    target_status: TargetStatus,
 265    entries: Vec<GitStatusEntry>,
 266    op_id: usize,
 267}
 268
 269// computed state related to how to render scrollbars
 270// one per axis
 271// on render we just read this off the panel
 272// we update it when
 273// - settings change
 274// - on focus in, on focus out, on hover, etc.
 275#[derive(Debug)]
 276struct ScrollbarProperties {
 277    axis: Axis,
 278    show_scrollbar: bool,
 279    show_track: bool,
 280    auto_hide: bool,
 281    hide_task: Option<Task<()>>,
 282    state: ScrollbarState,
 283}
 284
 285impl ScrollbarProperties {
 286    // Shows the scrollbar and cancels any pending hide task
 287    fn show(&mut self, cx: &mut Context<GitPanel>) {
 288        if !self.auto_hide {
 289            return;
 290        }
 291        self.show_scrollbar = true;
 292        self.hide_task.take();
 293        cx.notify();
 294    }
 295
 296    fn hide(&mut self, window: &mut Window, cx: &mut Context<GitPanel>) {
 297        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
 298
 299        if !self.auto_hide {
 300            return;
 301        }
 302
 303        let axis = self.axis;
 304        self.hide_task = Some(cx.spawn_in(window, async move |panel, cx| {
 305            cx.background_executor()
 306                .timer(SCROLLBAR_SHOW_INTERVAL)
 307                .await;
 308
 309            if let Some(panel) = panel.upgrade() {
 310                panel
 311                    .update(cx, |panel, cx| {
 312                        match axis {
 313                            Axis::Vertical => panel.vertical_scrollbar.show_scrollbar = false,
 314                            Axis::Horizontal => panel.horizontal_scrollbar.show_scrollbar = false,
 315                        }
 316                        cx.notify();
 317                    })
 318                    .log_err();
 319            }
 320        }));
 321    }
 322}
 323
 324pub struct GitPanel {
 325    pub(crate) active_repository: Option<Entity<Repository>>,
 326    pub(crate) commit_editor: Entity<Editor>,
 327    conflicted_count: usize,
 328    conflicted_staged_count: usize,
 329    current_modifiers: Modifiers,
 330    add_coauthors: bool,
 331    generate_commit_message_task: Option<Task<Option<()>>>,
 332    entries: Vec<GitListEntry>,
 333    single_staged_entry: Option<GitStatusEntry>,
 334    single_tracked_entry: Option<GitStatusEntry>,
 335    focus_handle: FocusHandle,
 336    fs: Arc<dyn Fs>,
 337    horizontal_scrollbar: ScrollbarProperties,
 338    vertical_scrollbar: ScrollbarProperties,
 339    new_count: usize,
 340    entry_count: usize,
 341    new_staged_count: usize,
 342    pending: Vec<PendingOperation>,
 343    pending_commit: Option<Task<()>>,
 344    amend_pending: bool,
 345    pending_serialization: Task<Option<()>>,
 346    pub(crate) project: Entity<Project>,
 347    scroll_handle: UniformListScrollHandle,
 348    max_width_item_index: Option<usize>,
 349    selected_entry: Option<usize>,
 350    marked_entries: Vec<usize>,
 351    tracked_count: usize,
 352    tracked_staged_count: usize,
 353    update_visible_entries_task: Task<()>,
 354    width: Option<Pixels>,
 355    workspace: WeakEntity<Workspace>,
 356    context_menu: Option<(Entity<ContextMenu>, Point<Pixels>, Subscription)>,
 357    modal_open: bool,
 358    show_placeholders: bool,
 359    _settings_subscription: Subscription,
 360}
 361
 362const MAX_PANEL_EDITOR_LINES: usize = 6;
 363
 364pub(crate) fn commit_message_editor(
 365    commit_message_buffer: Entity<Buffer>,
 366    placeholder: Option<SharedString>,
 367    project: Entity<Project>,
 368    in_panel: bool,
 369    window: &mut Window,
 370    cx: &mut Context<Editor>,
 371) -> Editor {
 372    let buffer = cx.new(|cx| MultiBuffer::singleton(commit_message_buffer, cx));
 373    let max_lines = if in_panel { MAX_PANEL_EDITOR_LINES } else { 18 };
 374    let mut commit_editor = Editor::new(
 375        EditorMode::AutoHeight { max_lines },
 376        buffer,
 377        None,
 378        window,
 379        cx,
 380    );
 381    commit_editor.set_collaboration_hub(Box::new(project));
 382    commit_editor.set_use_autoclose(false);
 383    commit_editor.set_show_gutter(false, cx);
 384    commit_editor.set_show_wrap_guides(false, cx);
 385    commit_editor.set_show_indent_guides(false, 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        let width = self
1488            .commit_editor
1489            .read(cx)
1490            .buffer()
1491            .read(cx)
1492            .language_settings(cx)
1493            .preferred_line_length as usize;
1494
1495        if !message.trim().is_empty() {
1496            let message = wrap_with_prefix(
1497                String::new(),
1498                message,
1499                width,
1500                NonZeroU32::new(8).unwrap(), // tab size doesn't matter when prefix is empty
1501                false,
1502            );
1503            return Some(message);
1504        }
1505
1506        self.suggest_commit_message(cx)
1507            .filter(|message| !message.trim().is_empty())
1508    }
1509
1510    pub(crate) fn commit_changes(
1511        &mut self,
1512        options: CommitOptions,
1513        window: &mut Window,
1514        cx: &mut Context<Self>,
1515    ) {
1516        let Some(active_repository) = self.active_repository.clone() else {
1517            return;
1518        };
1519        let error_spawn = |message, window: &mut Window, cx: &mut App| {
1520            let prompt = window.prompt(PromptLevel::Warning, message, None, &["Ok"], cx);
1521            cx.spawn(async move |_| {
1522                prompt.await.ok();
1523            })
1524            .detach();
1525        };
1526
1527        if self.has_unstaged_conflicts() {
1528            error_spawn(
1529                "There are still conflicts. You must stage these before committing",
1530                window,
1531                cx,
1532            );
1533            return;
1534        }
1535
1536        let commit_message = self.custom_or_suggested_commit_message(cx);
1537
1538        let Some(mut message) = commit_message else {
1539            self.commit_editor.read(cx).focus_handle(cx).focus(window);
1540            return;
1541        };
1542
1543        if self.add_coauthors {
1544            self.fill_co_authors(&mut message, cx);
1545        }
1546
1547        let task = if self.has_staged_changes() {
1548            // Repository serializes all git operations, so we can just send a commit immediately
1549            let commit_task = active_repository.update(cx, |repo, cx| {
1550                repo.commit(message.into(), None, options, cx)
1551            });
1552            cx.background_spawn(async move { commit_task.await? })
1553        } else {
1554            let changed_files = self
1555                .entries
1556                .iter()
1557                .filter_map(|entry| entry.status_entry())
1558                .filter(|status_entry| !status_entry.status.is_created())
1559                .map(|status_entry| status_entry.repo_path.clone())
1560                .collect::<Vec<_>>();
1561
1562            if changed_files.is_empty() {
1563                error_spawn("No changes to commit", window, cx);
1564                return;
1565            }
1566
1567            let stage_task =
1568                active_repository.update(cx, |repo, cx| repo.stage_entries(changed_files, cx));
1569            cx.spawn(async move |_, cx| {
1570                stage_task.await?;
1571                let commit_task = active_repository.update(cx, |repo, cx| {
1572                    repo.commit(message.into(), None, options, cx)
1573                })?;
1574                commit_task.await?
1575            })
1576        };
1577        let task = cx.spawn_in(window, async move |this, cx| {
1578            let result = task.await;
1579            this.update_in(cx, |this, window, cx| {
1580                this.pending_commit.take();
1581                match result {
1582                    Ok(()) => {
1583                        this.commit_editor
1584                            .update(cx, |editor, cx| editor.clear(window, cx));
1585                    }
1586                    Err(e) => this.show_error_toast("commit", e, cx),
1587                }
1588            })
1589            .ok();
1590        });
1591
1592        self.pending_commit = Some(task);
1593    }
1594
1595    fn uncommit(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1596        let Some(repo) = self.active_repository.clone() else {
1597            return;
1598        };
1599        telemetry::event!("Git Uncommitted");
1600
1601        let confirmation = self.check_for_pushed_commits(window, cx);
1602        let prior_head = self.load_commit_details("HEAD".to_string(), cx);
1603
1604        let task = cx.spawn_in(window, async move |this, cx| {
1605            let result = maybe!(async {
1606                if let Ok(true) = confirmation.await {
1607                    let prior_head = prior_head.await?;
1608
1609                    repo.update(cx, |repo, cx| {
1610                        repo.reset("HEAD^".to_string(), ResetMode::Soft, cx)
1611                    })?
1612                    .await??;
1613
1614                    Ok(Some(prior_head))
1615                } else {
1616                    Ok(None)
1617                }
1618            })
1619            .await;
1620
1621            this.update_in(cx, |this, window, cx| {
1622                this.pending_commit.take();
1623                match result {
1624                    Ok(None) => {}
1625                    Ok(Some(prior_commit)) => {
1626                        this.commit_editor.update(cx, |editor, cx| {
1627                            editor.set_text(prior_commit.message, window, cx)
1628                        });
1629                    }
1630                    Err(e) => this.show_error_toast("reset", e, cx),
1631                }
1632            })
1633            .ok();
1634        });
1635
1636        self.pending_commit = Some(task);
1637    }
1638
1639    fn check_for_pushed_commits(
1640        &mut self,
1641        window: &mut Window,
1642        cx: &mut Context<Self>,
1643    ) -> impl Future<Output = anyhow::Result<bool>> + use<> {
1644        let repo = self.active_repository.clone();
1645        let mut cx = window.to_async(cx);
1646
1647        async move {
1648            let repo = repo.context("No active repository")?;
1649
1650            let pushed_to: Vec<SharedString> = repo
1651                .update(&mut cx, |repo, _| repo.check_for_pushed_commits())?
1652                .await??;
1653
1654            if pushed_to.is_empty() {
1655                Ok(true)
1656            } else {
1657                #[derive(strum::EnumIter, strum::VariantNames)]
1658                #[strum(serialize_all = "title_case")]
1659                enum CancelUncommit {
1660                    Uncommit,
1661                    Cancel,
1662                }
1663                let detail = format!(
1664                    "This commit was already pushed to {}.",
1665                    pushed_to.into_iter().join(", ")
1666                );
1667                let result = cx
1668                    .update(|window, cx| prompt("Are you sure?", Some(&detail), window, cx))?
1669                    .await?;
1670
1671                match result {
1672                    CancelUncommit::Cancel => Ok(false),
1673                    CancelUncommit::Uncommit => Ok(true),
1674                }
1675            }
1676        }
1677    }
1678
1679    /// Suggests a commit message based on the changed files and their statuses
1680    pub fn suggest_commit_message(&self, cx: &App) -> Option<String> {
1681        if let Some(merge_message) = self
1682            .active_repository
1683            .as_ref()
1684            .and_then(|repo| repo.read(cx).merge.message.as_ref())
1685        {
1686            return Some(merge_message.to_string());
1687        }
1688
1689        let git_status_entry = if let Some(staged_entry) = &self.single_staged_entry {
1690            Some(staged_entry)
1691        } else if let Some(single_tracked_entry) = &self.single_tracked_entry {
1692            Some(single_tracked_entry)
1693        } else {
1694            None
1695        }?;
1696
1697        let action_text = if git_status_entry.status.is_deleted() {
1698            Some("Delete")
1699        } else if git_status_entry.status.is_created() {
1700            Some("Create")
1701        } else if git_status_entry.status.is_modified() {
1702            Some("Update")
1703        } else {
1704            None
1705        }?;
1706
1707        let file_name = git_status_entry
1708            .repo_path
1709            .file_name()
1710            .unwrap_or_default()
1711            .to_string_lossy();
1712
1713        Some(format!("{} {}", action_text, file_name))
1714    }
1715
1716    fn generate_commit_message_action(
1717        &mut self,
1718        _: &git::GenerateCommitMessage,
1719        _window: &mut Window,
1720        cx: &mut Context<Self>,
1721    ) {
1722        self.generate_commit_message(cx);
1723    }
1724
1725    /// Generates a commit message using an LLM.
1726    pub fn generate_commit_message(&mut self, cx: &mut Context<Self>) {
1727        if !self.can_commit() {
1728            return;
1729        }
1730
1731        let model = match current_language_model(cx) {
1732            Some(value) => value,
1733            None => return,
1734        };
1735
1736        let Some(repo) = self.active_repository.as_ref() else {
1737            return;
1738        };
1739
1740        telemetry::event!("Git Commit Message Generated");
1741
1742        let diff = repo.update(cx, |repo, cx| {
1743            if self.has_staged_changes() {
1744                repo.diff(DiffType::HeadToIndex, cx)
1745            } else {
1746                repo.diff(DiffType::HeadToWorktree, cx)
1747            }
1748        });
1749
1750        let temperature = AssistantSettings::temperature_for_model(&model, cx);
1751
1752        self.generate_commit_message_task = Some(cx.spawn(async move |this, cx| {
1753             async move {
1754                let _defer = cx.on_drop(&this, |this, _cx| {
1755                    this.generate_commit_message_task.take();
1756                });
1757
1758                let mut diff_text = diff.await??;
1759
1760                const ONE_MB: usize = 1_000_000;
1761                if diff_text.len() > ONE_MB {
1762                    diff_text = diff_text.chars().take(ONE_MB).collect()
1763                }
1764
1765                let subject = this.update(cx, |this, cx| {
1766                    this.commit_editor.read(cx).text(cx).lines().next().map(ToOwned::to_owned).unwrap_or_default()
1767                })?;
1768
1769                let text_empty = subject.trim().is_empty();
1770
1771                let content = if text_empty {
1772                    format!("{PROMPT}\nHere are the changes in this commit:\n{diff_text}")
1773                } else {
1774                    format!("{PROMPT}\nHere is the user's subject line:\n{subject}\nHere are the changes in this commit:\n{diff_text}\n")
1775                };
1776
1777                const PROMPT: &str = include_str!("commit_message_prompt.txt");
1778
1779                let request = LanguageModelRequest {
1780                    thread_id: None,
1781                    prompt_id: None,
1782                    mode: None,
1783                    messages: vec![LanguageModelRequestMessage {
1784                        role: Role::User,
1785                        content: vec![content.into()],
1786                        cache: false,
1787                    }],
1788                    tools: Vec::new(),
1789                    tool_choice: None,
1790                    stop: Vec::new(),
1791                    temperature,
1792                };
1793
1794                let stream = model.stream_completion_text(request, &cx);
1795                let mut messages = stream.await?;
1796
1797                if !text_empty {
1798                    this.update(cx, |this, cx| {
1799                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1800                            let insert_position = buffer.anchor_before(buffer.len());
1801                            buffer.edit([(insert_position..insert_position, "\n")], None, cx)
1802                        });
1803                    })?;
1804                }
1805
1806                while let Some(message) = messages.stream.next().await {
1807                    let text = message?;
1808
1809                    this.update(cx, |this, cx| {
1810                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1811                            let insert_position = buffer.anchor_before(buffer.len());
1812                            buffer.edit([(insert_position..insert_position, text)], None, cx);
1813                        });
1814                    })?;
1815                }
1816
1817                anyhow::Ok(())
1818            }
1819            .log_err().await
1820        }));
1821    }
1822
1823    pub(crate) fn fetch(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1824        if !self.can_push_and_pull(cx) {
1825            return;
1826        }
1827
1828        let Some(repo) = self.active_repository.clone() else {
1829            return;
1830        };
1831        telemetry::event!("Git Fetched");
1832        let askpass = self.askpass_delegate("git fetch", window, cx);
1833        let this = cx.weak_entity();
1834        window
1835            .spawn(cx, async move |cx| {
1836                let fetch = repo.update(cx, |repo, cx| repo.fetch(askpass, cx))?;
1837
1838                let remote_message = fetch.await?;
1839                this.update(cx, |this, cx| {
1840                    let action = RemoteAction::Fetch;
1841                    match remote_message {
1842                        Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1843                        Err(e) => {
1844                            log::error!("Error while fetching {:?}", e);
1845                            this.show_error_toast(action.name(), e, cx)
1846                        }
1847                    }
1848
1849                    anyhow::Ok(())
1850                })
1851                .ok();
1852                anyhow::Ok(())
1853            })
1854            .detach_and_log_err(cx);
1855    }
1856
1857    pub(crate) fn git_init(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1858        let worktrees = self
1859            .project
1860            .read(cx)
1861            .visible_worktrees(cx)
1862            .collect::<Vec<_>>();
1863
1864        let worktree = if worktrees.len() == 1 {
1865            Task::ready(Some(worktrees.first().unwrap().clone()))
1866        } else if worktrees.len() == 0 {
1867            let result = window.prompt(
1868                PromptLevel::Warning,
1869                "Unable to initialize a git repository",
1870                Some("Open a directory first"),
1871                &["Ok"],
1872                cx,
1873            );
1874            cx.background_executor()
1875                .spawn(async move {
1876                    result.await.ok();
1877                })
1878                .detach();
1879            return;
1880        } else {
1881            let worktree_directories = worktrees
1882                .iter()
1883                .map(|worktree| worktree.read(cx).abs_path())
1884                .map(|worktree_abs_path| {
1885                    if let Ok(path) = worktree_abs_path.strip_prefix(util::paths::home_dir()) {
1886                        Path::new("~")
1887                            .join(path)
1888                            .to_string_lossy()
1889                            .to_string()
1890                            .into()
1891                    } else {
1892                        worktree_abs_path.to_string_lossy().to_string().into()
1893                    }
1894                })
1895                .collect_vec();
1896            let prompt = picker_prompt::prompt(
1897                "Where would you like to initialize this git repository?",
1898                worktree_directories,
1899                self.workspace.clone(),
1900                window,
1901                cx,
1902            );
1903
1904            cx.spawn(async move |_, _| prompt.await.map(|ix| worktrees[ix].clone()))
1905        };
1906
1907        cx.spawn_in(window, async move |this, cx| {
1908            let worktree = match worktree.await {
1909                Some(worktree) => worktree,
1910                None => {
1911                    return;
1912                }
1913            };
1914
1915            let Ok(result) = this.update(cx, |this, cx| {
1916                let fallback_branch_name = GitPanelSettings::get_global(cx)
1917                    .fallback_branch_name
1918                    .clone();
1919                this.project.read(cx).git_init(
1920                    worktree.read(cx).abs_path(),
1921                    fallback_branch_name,
1922                    cx,
1923                )
1924            }) else {
1925                return;
1926            };
1927
1928            let result = result.await;
1929
1930            this.update_in(cx, |this, _, cx| match result {
1931                Ok(()) => {}
1932                Err(e) => this.show_error_toast("init", e, cx),
1933            })
1934            .ok();
1935        })
1936        .detach();
1937    }
1938
1939    pub(crate) fn pull(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1940        if !self.can_push_and_pull(cx) {
1941            return;
1942        }
1943        let Some(repo) = self.active_repository.clone() else {
1944            return;
1945        };
1946        let Some(branch) = repo.read(cx).branch.as_ref() else {
1947            return;
1948        };
1949        telemetry::event!("Git Pulled");
1950        let branch = branch.clone();
1951        let remote = self.get_current_remote(window, cx);
1952        cx.spawn_in(window, async move |this, cx| {
1953            let remote = match remote.await {
1954                Ok(Some(remote)) => remote,
1955                Ok(None) => {
1956                    return Ok(());
1957                }
1958                Err(e) => {
1959                    log::error!("Failed to get current remote: {}", e);
1960                    this.update(cx, |this, cx| this.show_error_toast("pull", e, cx))
1961                        .ok();
1962                    return Ok(());
1963                }
1964            };
1965
1966            let askpass = this.update_in(cx, |this, window, cx| {
1967                this.askpass_delegate(format!("git pull {}", remote.name), window, cx)
1968            })?;
1969
1970            let pull = repo.update(cx, |repo, cx| {
1971                repo.pull(
1972                    branch.name().to_owned().into(),
1973                    remote.name.clone(),
1974                    askpass,
1975                    cx,
1976                )
1977            })?;
1978
1979            let remote_message = pull.await?;
1980
1981            let action = RemoteAction::Pull(remote);
1982            this.update(cx, |this, cx| match remote_message {
1983                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1984                Err(e) => {
1985                    log::error!("Error while pulling {:?}", e);
1986                    this.show_error_toast(action.name(), e, cx)
1987                }
1988            })
1989            .ok();
1990
1991            anyhow::Ok(())
1992        })
1993        .detach_and_log_err(cx);
1994    }
1995
1996    pub(crate) fn push(&mut self, force_push: bool, window: &mut Window, cx: &mut Context<Self>) {
1997        if !self.can_push_and_pull(cx) {
1998            return;
1999        }
2000        let Some(repo) = self.active_repository.clone() else {
2001            return;
2002        };
2003        let Some(branch) = repo.read(cx).branch.as_ref() else {
2004            return;
2005        };
2006        telemetry::event!("Git Pushed");
2007        let branch = branch.clone();
2008
2009        let options = if force_push {
2010            Some(PushOptions::Force)
2011        } else {
2012            match branch.upstream {
2013                Some(Upstream {
2014                    tracking: UpstreamTracking::Gone,
2015                    ..
2016                })
2017                | None => Some(PushOptions::SetUpstream),
2018                _ => None,
2019            }
2020        };
2021        let remote = self.get_current_remote(window, cx);
2022
2023        cx.spawn_in(window, async move |this, cx| {
2024            let remote = match remote.await {
2025                Ok(Some(remote)) => remote,
2026                Ok(None) => {
2027                    return Ok(());
2028                }
2029                Err(e) => {
2030                    log::error!("Failed to get current remote: {}", e);
2031                    this.update(cx, |this, cx| this.show_error_toast("push", e, cx))
2032                        .ok();
2033                    return Ok(());
2034                }
2035            };
2036
2037            let askpass_delegate = this.update_in(cx, |this, window, cx| {
2038                this.askpass_delegate(format!("git push {}", remote.name), window, cx)
2039            })?;
2040
2041            let push = repo.update(cx, |repo, cx| {
2042                repo.push(
2043                    branch.name().to_owned().into(),
2044                    remote.name.clone(),
2045                    options,
2046                    askpass_delegate,
2047                    cx,
2048                )
2049            })?;
2050
2051            let remote_output = push.await?;
2052
2053            let action = RemoteAction::Push(branch.name().to_owned().into(), remote);
2054            this.update(cx, |this, cx| match remote_output {
2055                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
2056                Err(e) => {
2057                    log::error!("Error while pushing {:?}", e);
2058                    this.show_error_toast(action.name(), e, cx)
2059                }
2060            })?;
2061
2062            anyhow::Ok(())
2063        })
2064        .detach_and_log_err(cx);
2065    }
2066
2067    fn askpass_delegate(
2068        &self,
2069        operation: impl Into<SharedString>,
2070        window: &mut Window,
2071        cx: &mut Context<Self>,
2072    ) -> AskPassDelegate {
2073        let this = cx.weak_entity();
2074        let operation = operation.into();
2075        let window = window.window_handle();
2076        AskPassDelegate::new(&mut cx.to_async(), move |prompt, tx, cx| {
2077            window
2078                .update(cx, |_, window, cx| {
2079                    this.update(cx, |this, cx| {
2080                        this.workspace.update(cx, |workspace, cx| {
2081                            workspace.toggle_modal(window, cx, |window, cx| {
2082                                AskPassModal::new(operation.clone(), prompt.into(), tx, window, cx)
2083                            });
2084                        })
2085                    })
2086                })
2087                .ok();
2088        })
2089    }
2090
2091    fn can_push_and_pull(&self, cx: &App) -> bool {
2092        !self.project.read(cx).is_via_collab()
2093    }
2094
2095    fn get_current_remote(
2096        &mut self,
2097        window: &mut Window,
2098        cx: &mut Context<Self>,
2099    ) -> impl Future<Output = anyhow::Result<Option<Remote>>> + use<> {
2100        let repo = self.active_repository.clone();
2101        let workspace = self.workspace.clone();
2102        let mut cx = window.to_async(cx);
2103
2104        async move {
2105            let repo = repo.context("No active repository")?;
2106            let mut current_remotes: Vec<Remote> = repo
2107                .update(&mut cx, |repo, _| {
2108                    let current_branch = repo.branch.as_ref().context("No active branch")?;
2109                    anyhow::Ok(repo.get_remotes(Some(current_branch.name().to_string())))
2110                })??
2111                .await??;
2112
2113            if current_remotes.len() == 0 {
2114                anyhow::bail!("No active remote");
2115            } else if current_remotes.len() == 1 {
2116                return Ok(Some(current_remotes.pop().unwrap()));
2117            } else {
2118                let current_remotes: Vec<_> = current_remotes
2119                    .into_iter()
2120                    .map(|remotes| remotes.name)
2121                    .collect();
2122                let selection = cx
2123                    .update(|window, cx| {
2124                        picker_prompt::prompt(
2125                            "Pick which remote to push to",
2126                            current_remotes.clone(),
2127                            workspace,
2128                            window,
2129                            cx,
2130                        )
2131                    })?
2132                    .await;
2133
2134                Ok(selection.map(|selection| Remote {
2135                    name: current_remotes[selection].clone(),
2136                }))
2137            }
2138        }
2139    }
2140
2141    fn potential_co_authors(&self, cx: &App) -> Vec<(String, String)> {
2142        let mut new_co_authors = Vec::new();
2143        let project = self.project.read(cx);
2144
2145        let Some(room) = self
2146            .workspace
2147            .upgrade()
2148            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned())
2149        else {
2150            return Vec::default();
2151        };
2152
2153        let room = room.read(cx);
2154
2155        for (peer_id, collaborator) in project.collaborators() {
2156            if collaborator.is_host {
2157                continue;
2158            }
2159
2160            let Some(participant) = room.remote_participant_for_peer_id(*peer_id) else {
2161                continue;
2162            };
2163            if participant.can_write() && participant.user.email.is_some() {
2164                let email = participant.user.email.clone().unwrap();
2165
2166                new_co_authors.push((
2167                    participant
2168                        .user
2169                        .name
2170                        .clone()
2171                        .unwrap_or_else(|| participant.user.github_login.clone()),
2172                    email,
2173                ))
2174            }
2175        }
2176        if !project.is_local() && !project.is_read_only(cx) {
2177            if let Some(user) = room.local_participant_user(cx) {
2178                if let Some(email) = user.email.clone() {
2179                    new_co_authors.push((
2180                        user.name
2181                            .clone()
2182                            .unwrap_or_else(|| user.github_login.clone()),
2183                        email.clone(),
2184                    ))
2185                }
2186            }
2187        }
2188        new_co_authors
2189    }
2190
2191    fn toggle_fill_co_authors(
2192        &mut self,
2193        _: &ToggleFillCoAuthors,
2194        _: &mut Window,
2195        cx: &mut Context<Self>,
2196    ) {
2197        self.add_coauthors = !self.add_coauthors;
2198        cx.notify();
2199    }
2200
2201    fn fill_co_authors(&mut self, message: &mut String, cx: &mut Context<Self>) {
2202        const CO_AUTHOR_PREFIX: &str = "Co-authored-by: ";
2203
2204        let existing_text = message.to_ascii_lowercase();
2205        let lowercase_co_author_prefix = CO_AUTHOR_PREFIX.to_lowercase();
2206        let mut ends_with_co_authors = false;
2207        let existing_co_authors = existing_text
2208            .lines()
2209            .filter_map(|line| {
2210                let line = line.trim();
2211                if line.starts_with(&lowercase_co_author_prefix) {
2212                    ends_with_co_authors = true;
2213                    Some(line)
2214                } else {
2215                    ends_with_co_authors = false;
2216                    None
2217                }
2218            })
2219            .collect::<HashSet<_>>();
2220
2221        let new_co_authors = self
2222            .potential_co_authors(cx)
2223            .into_iter()
2224            .filter(|(_, email)| {
2225                !existing_co_authors
2226                    .iter()
2227                    .any(|existing| existing.contains(email.as_str()))
2228            })
2229            .collect::<Vec<_>>();
2230
2231        if new_co_authors.is_empty() {
2232            return;
2233        }
2234
2235        if !ends_with_co_authors {
2236            message.push('\n');
2237        }
2238        for (name, email) in new_co_authors {
2239            message.push('\n');
2240            message.push_str(CO_AUTHOR_PREFIX);
2241            message.push_str(&name);
2242            message.push_str(" <");
2243            message.push_str(&email);
2244            message.push('>');
2245        }
2246        message.push('\n');
2247    }
2248
2249    fn schedule_update(
2250        &mut self,
2251        clear_pending: bool,
2252        window: &mut Window,
2253        cx: &mut Context<Self>,
2254    ) {
2255        let handle = cx.entity().downgrade();
2256        self.reopen_commit_buffer(window, cx);
2257        self.update_visible_entries_task = cx.spawn_in(window, async move |_, cx| {
2258            cx.background_executor().timer(UPDATE_DEBOUNCE).await;
2259            if let Some(git_panel) = handle.upgrade() {
2260                git_panel
2261                    .update_in(cx, |git_panel, window, cx| {
2262                        if clear_pending {
2263                            git_panel.clear_pending();
2264                        }
2265                        git_panel.update_visible_entries(cx);
2266                        git_panel.update_scrollbar_properties(window, cx);
2267                    })
2268                    .ok();
2269            }
2270        });
2271    }
2272
2273    fn reopen_commit_buffer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2274        let Some(active_repo) = self.active_repository.as_ref() else {
2275            return;
2276        };
2277        let load_buffer = active_repo.update(cx, |active_repo, cx| {
2278            let project = self.project.read(cx);
2279            active_repo.open_commit_buffer(
2280                Some(project.languages().clone()),
2281                project.buffer_store().clone(),
2282                cx,
2283            )
2284        });
2285
2286        cx.spawn_in(window, async move |git_panel, cx| {
2287            let buffer = load_buffer.await?;
2288            git_panel.update_in(cx, |git_panel, window, cx| {
2289                if git_panel
2290                    .commit_editor
2291                    .read(cx)
2292                    .buffer()
2293                    .read(cx)
2294                    .as_singleton()
2295                    .as_ref()
2296                    != Some(&buffer)
2297                {
2298                    git_panel.commit_editor = cx.new(|cx| {
2299                        commit_message_editor(
2300                            buffer,
2301                            git_panel.suggest_commit_message(cx).map(SharedString::from),
2302                            git_panel.project.clone(),
2303                            true,
2304                            window,
2305                            cx,
2306                        )
2307                    });
2308                }
2309            })
2310        })
2311        .detach_and_log_err(cx);
2312    }
2313
2314    fn clear_pending(&mut self) {
2315        self.pending.retain(|v| !v.finished)
2316    }
2317
2318    fn update_visible_entries(&mut self, cx: &mut Context<Self>) {
2319        self.entries.clear();
2320        self.single_staged_entry.take();
2321        self.single_tracked_entry.take();
2322        self.conflicted_count = 0;
2323        self.conflicted_staged_count = 0;
2324        self.new_count = 0;
2325        self.tracked_count = 0;
2326        self.new_staged_count = 0;
2327        self.tracked_staged_count = 0;
2328        self.entry_count = 0;
2329
2330        let sort_by_path = GitPanelSettings::get_global(cx).sort_by_path;
2331
2332        let mut changed_entries = Vec::new();
2333        let mut new_entries = Vec::new();
2334        let mut conflict_entries = Vec::new();
2335        let mut last_staged = None;
2336        let mut staged_count = 0;
2337        let mut max_width_item: Option<(RepoPath, usize)> = None;
2338
2339        let Some(repo) = self.active_repository.as_ref() else {
2340            // Just clear entries if no repository is active.
2341            cx.notify();
2342            return;
2343        };
2344
2345        let repo = repo.read(cx);
2346
2347        for entry in repo.cached_status() {
2348            let is_conflict = repo.has_conflict(&entry.repo_path);
2349            let is_new = entry.status.is_created();
2350            let staging = entry.status.staging();
2351
2352            if self.pending.iter().any(|pending| {
2353                pending.target_status == TargetStatus::Reverted
2354                    && !pending.finished
2355                    && pending
2356                        .entries
2357                        .iter()
2358                        .any(|pending| pending.repo_path == entry.repo_path)
2359            }) {
2360                continue;
2361            }
2362
2363            let abs_path = repo.work_directory_abs_path.join(&entry.repo_path.0);
2364            let entry = GitStatusEntry {
2365                repo_path: entry.repo_path.clone(),
2366                abs_path,
2367                status: entry.status,
2368                staging,
2369            };
2370
2371            if staging.has_staged() {
2372                staged_count += 1;
2373                last_staged = Some(entry.clone());
2374            }
2375
2376            let width_estimate = Self::item_width_estimate(
2377                entry.parent_dir().map(|s| s.len()).unwrap_or(0),
2378                entry.display_name().len(),
2379            );
2380
2381            match max_width_item.as_mut() {
2382                Some((repo_path, estimate)) => {
2383                    if width_estimate > *estimate {
2384                        *repo_path = entry.repo_path.clone();
2385                        *estimate = width_estimate;
2386                    }
2387                }
2388                None => max_width_item = Some((entry.repo_path.clone(), width_estimate)),
2389            }
2390
2391            if sort_by_path {
2392                changed_entries.push(entry);
2393            } else if is_conflict {
2394                conflict_entries.push(entry);
2395            } else if is_new {
2396                new_entries.push(entry);
2397            } else {
2398                changed_entries.push(entry);
2399            }
2400        }
2401
2402        let mut pending_staged_count = 0;
2403        let mut last_pending_staged = None;
2404        let mut pending_status_for_last_staged = None;
2405        for pending in self.pending.iter() {
2406            if pending.target_status == TargetStatus::Staged {
2407                pending_staged_count += pending.entries.len();
2408                last_pending_staged = pending.entries.iter().next().cloned();
2409            }
2410            if let Some(last_staged) = &last_staged {
2411                if pending
2412                    .entries
2413                    .iter()
2414                    .any(|entry| entry.repo_path == last_staged.repo_path)
2415                {
2416                    pending_status_for_last_staged = Some(pending.target_status);
2417                }
2418            }
2419        }
2420
2421        if conflict_entries.len() == 0 && staged_count == 1 && pending_staged_count == 0 {
2422            match pending_status_for_last_staged {
2423                Some(TargetStatus::Staged) | None => {
2424                    self.single_staged_entry = last_staged;
2425                }
2426                _ => {}
2427            }
2428        } else if conflict_entries.len() == 0 && pending_staged_count == 1 {
2429            self.single_staged_entry = last_pending_staged;
2430        }
2431
2432        if conflict_entries.len() == 0 && changed_entries.len() == 1 {
2433            self.single_tracked_entry = changed_entries.first().cloned();
2434        }
2435
2436        if conflict_entries.len() > 0 {
2437            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2438                header: Section::Conflict,
2439            }));
2440            self.entries.extend(
2441                conflict_entries
2442                    .into_iter()
2443                    .map(GitListEntry::GitStatusEntry),
2444            );
2445        }
2446
2447        if changed_entries.len() > 0 {
2448            if !sort_by_path {
2449                self.entries.push(GitListEntry::Header(GitHeaderEntry {
2450                    header: Section::Tracked,
2451                }));
2452            }
2453            self.entries.extend(
2454                changed_entries
2455                    .into_iter()
2456                    .map(GitListEntry::GitStatusEntry),
2457            );
2458        }
2459        if new_entries.len() > 0 {
2460            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2461                header: Section::New,
2462            }));
2463            self.entries
2464                .extend(new_entries.into_iter().map(GitListEntry::GitStatusEntry));
2465        }
2466
2467        if let Some((repo_path, _)) = max_width_item {
2468            self.max_width_item_index = self.entries.iter().position(|entry| match entry {
2469                GitListEntry::GitStatusEntry(git_status_entry) => {
2470                    git_status_entry.repo_path == repo_path
2471                }
2472                GitListEntry::Header(_) => false,
2473            });
2474        }
2475
2476        self.update_counts(repo);
2477
2478        self.select_first_entry_if_none(cx);
2479
2480        let suggested_commit_message = self.suggest_commit_message(cx);
2481        let placeholder_text = suggested_commit_message.unwrap_or("Enter commit message".into());
2482
2483        self.commit_editor.update(cx, |editor, cx| {
2484            editor.set_placeholder_text(Arc::from(placeholder_text), cx)
2485        });
2486
2487        cx.notify();
2488    }
2489
2490    fn header_state(&self, header_type: Section) -> ToggleState {
2491        let (staged_count, count) = match header_type {
2492            Section::New => (self.new_staged_count, self.new_count),
2493            Section::Tracked => (self.tracked_staged_count, self.tracked_count),
2494            Section::Conflict => (self.conflicted_staged_count, self.conflicted_count),
2495        };
2496        if staged_count == 0 {
2497            ToggleState::Unselected
2498        } else if count == staged_count {
2499            ToggleState::Selected
2500        } else {
2501            ToggleState::Indeterminate
2502        }
2503    }
2504
2505    fn update_counts(&mut self, repo: &Repository) {
2506        self.show_placeholders = false;
2507        self.conflicted_count = 0;
2508        self.conflicted_staged_count = 0;
2509        self.new_count = 0;
2510        self.tracked_count = 0;
2511        self.new_staged_count = 0;
2512        self.tracked_staged_count = 0;
2513        self.entry_count = 0;
2514        for entry in &self.entries {
2515            let Some(status_entry) = entry.status_entry() else {
2516                continue;
2517            };
2518            self.entry_count += 1;
2519            if repo.has_conflict(&status_entry.repo_path) {
2520                self.conflicted_count += 1;
2521                if self.entry_staging(status_entry).has_staged() {
2522                    self.conflicted_staged_count += 1;
2523                }
2524            } else if status_entry.status.is_created() {
2525                self.new_count += 1;
2526                if self.entry_staging(status_entry).has_staged() {
2527                    self.new_staged_count += 1;
2528                }
2529            } else {
2530                self.tracked_count += 1;
2531                if self.entry_staging(status_entry).has_staged() {
2532                    self.tracked_staged_count += 1;
2533                }
2534            }
2535        }
2536    }
2537
2538    fn entry_staging(&self, entry: &GitStatusEntry) -> StageStatus {
2539        for pending in self.pending.iter().rev() {
2540            if pending
2541                .entries
2542                .iter()
2543                .any(|pending_entry| pending_entry.repo_path == entry.repo_path)
2544            {
2545                match pending.target_status {
2546                    TargetStatus::Staged => return StageStatus::Staged,
2547                    TargetStatus::Unstaged => return StageStatus::Unstaged,
2548                    TargetStatus::Reverted => continue,
2549                    TargetStatus::Unchanged => continue,
2550                }
2551            }
2552        }
2553        entry.staging
2554    }
2555
2556    pub(crate) fn has_staged_changes(&self) -> bool {
2557        self.tracked_staged_count > 0
2558            || self.new_staged_count > 0
2559            || self.conflicted_staged_count > 0
2560    }
2561
2562    pub(crate) fn has_unstaged_changes(&self) -> bool {
2563        self.tracked_count > self.tracked_staged_count
2564            || self.new_count > self.new_staged_count
2565            || self.conflicted_count > self.conflicted_staged_count
2566    }
2567
2568    fn has_tracked_changes(&self) -> bool {
2569        self.tracked_count > 0
2570    }
2571
2572    pub fn has_unstaged_conflicts(&self) -> bool {
2573        self.conflicted_count > 0 && self.conflicted_count != self.conflicted_staged_count
2574    }
2575
2576    fn show_error_toast(&self, action: impl Into<SharedString>, e: anyhow::Error, cx: &mut App) {
2577        let action = action.into();
2578        let Some(workspace) = self.workspace.upgrade() else {
2579            return;
2580        };
2581
2582        let message = e.to_string().trim().to_string();
2583        if message
2584            .matches(git::repository::REMOTE_CANCELLED_BY_USER)
2585            .next()
2586            .is_some()
2587        {
2588            return; // Hide the cancelled by user message
2589        } else {
2590            workspace.update(cx, |workspace, cx| {
2591                let workspace_weak = cx.weak_entity();
2592                let toast = StatusToast::new(format!("git {} failed", action), cx, |this, _cx| {
2593                    this.icon(ToastIcon::new(IconName::XCircle).color(Color::Error))
2594                        .action("View Log", move |window, cx| {
2595                            let message = message.clone();
2596                            let action = action.clone();
2597                            workspace_weak
2598                                .update(cx, move |workspace, cx| {
2599                                    Self::open_output(action, workspace, &message, window, cx)
2600                                })
2601                                .ok();
2602                        })
2603                });
2604                workspace.toggle_status_toast(toast, cx)
2605            });
2606        }
2607    }
2608
2609    fn show_remote_output(&self, action: RemoteAction, info: RemoteCommandOutput, cx: &mut App) {
2610        let Some(workspace) = self.workspace.upgrade() else {
2611            return;
2612        };
2613
2614        workspace.update(cx, |workspace, cx| {
2615            let SuccessMessage { message, style } = remote_output::format_output(&action, info);
2616            let workspace_weak = cx.weak_entity();
2617            let operation = action.name();
2618
2619            let status_toast = StatusToast::new(message, cx, move |this, _cx| {
2620                use remote_output::SuccessStyle::*;
2621                match style {
2622                    Toast { .. } => this,
2623                    ToastWithLog { output } => this
2624                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2625                        .action("View Log", move |window, cx| {
2626                            let output = output.clone();
2627                            let output =
2628                                format!("stdout:\n{}\nstderr:\n{}", output.stdout, output.stderr);
2629                            workspace_weak
2630                                .update(cx, move |workspace, cx| {
2631                                    Self::open_output(operation, workspace, &output, window, cx)
2632                                })
2633                                .ok();
2634                        }),
2635                    PushPrLink { link } => this
2636                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2637                        .action("Open Pull Request", move |_, cx| cx.open_url(&link)),
2638                }
2639            });
2640            workspace.toggle_status_toast(status_toast, cx)
2641        });
2642    }
2643
2644    fn open_output(
2645        operation: impl Into<SharedString>,
2646        workspace: &mut Workspace,
2647        output: &str,
2648        window: &mut Window,
2649        cx: &mut Context<Workspace>,
2650    ) {
2651        let operation = operation.into();
2652        let buffer = cx.new(|cx| Buffer::local(output, cx));
2653        buffer.update(cx, |buffer, cx| {
2654            buffer.set_capability(language::Capability::ReadOnly, cx);
2655        });
2656        let editor = cx.new(|cx| {
2657            let mut editor = Editor::for_buffer(buffer, None, window, cx);
2658            editor.buffer().update(cx, |buffer, cx| {
2659                buffer.set_title(format!("Output from git {operation}"), cx);
2660            });
2661            editor.set_read_only(true);
2662            editor
2663        });
2664
2665        workspace.add_item_to_center(Box::new(editor), window, cx);
2666    }
2667
2668    pub fn can_commit(&self) -> bool {
2669        (self.has_staged_changes() || self.has_tracked_changes()) && !self.has_unstaged_conflicts()
2670    }
2671
2672    pub fn can_stage_all(&self) -> bool {
2673        self.has_unstaged_changes()
2674    }
2675
2676    pub fn can_unstage_all(&self) -> bool {
2677        self.has_staged_changes()
2678    }
2679
2680    // eventually we'll need to take depth into account here
2681    // if we add a tree view
2682    fn item_width_estimate(path: usize, file_name: usize) -> usize {
2683        path + file_name
2684    }
2685
2686    fn render_overflow_menu(&self, id: impl Into<ElementId>) -> impl IntoElement {
2687        let focus_handle = self.focus_handle.clone();
2688        let has_tracked_changes = self.has_tracked_changes();
2689        let has_staged_changes = self.has_staged_changes();
2690        let has_unstaged_changes = self.has_unstaged_changes();
2691        let has_new_changes = self.new_count > 0;
2692
2693        PopoverMenu::new(id.into())
2694            .trigger(
2695                IconButton::new("overflow-menu-trigger", IconName::EllipsisVertical)
2696                    .icon_size(IconSize::Small)
2697                    .icon_color(Color::Muted),
2698            )
2699            .menu(move |window, cx| {
2700                Some(git_panel_context_menu(
2701                    focus_handle.clone(),
2702                    GitMenuState {
2703                        has_tracked_changes,
2704                        has_staged_changes,
2705                        has_unstaged_changes,
2706                        has_new_changes,
2707                    },
2708                    window,
2709                    cx,
2710                ))
2711            })
2712            .anchor(Corner::TopRight)
2713    }
2714
2715    pub(crate) fn render_generate_commit_message_button(
2716        &self,
2717        cx: &Context<Self>,
2718    ) -> Option<AnyElement> {
2719        current_language_model(cx).is_some().then(|| {
2720            if self.generate_commit_message_task.is_some() {
2721                return h_flex()
2722                    .gap_1()
2723                    .child(
2724                        Icon::new(IconName::ArrowCircle)
2725                            .size(IconSize::XSmall)
2726                            .color(Color::Info)
2727                            .with_animation(
2728                                "arrow-circle",
2729                                Animation::new(Duration::from_secs(2)).repeat(),
2730                                |icon, delta| {
2731                                    icon.transform(Transformation::rotate(percentage(delta)))
2732                                },
2733                            ),
2734                    )
2735                    .child(
2736                        Label::new("Generating Commit...")
2737                            .size(LabelSize::Small)
2738                            .color(Color::Muted),
2739                    )
2740                    .into_any_element();
2741            }
2742
2743            let can_commit = self.can_commit();
2744            let editor_focus_handle = self.commit_editor.focus_handle(cx);
2745            IconButton::new("generate-commit-message", IconName::AiEdit)
2746                .shape(ui::IconButtonShape::Square)
2747                .icon_color(Color::Muted)
2748                .tooltip(move |window, cx| {
2749                    if can_commit {
2750                        Tooltip::for_action_in(
2751                            "Generate Commit Message",
2752                            &git::GenerateCommitMessage,
2753                            &editor_focus_handle,
2754                            window,
2755                            cx,
2756                        )
2757                    } else {
2758                        Tooltip::simple("No changes to commit", cx)
2759                    }
2760                })
2761                .disabled(!can_commit)
2762                .on_click(cx.listener(move |this, _event, _window, cx| {
2763                    this.generate_commit_message(cx);
2764                }))
2765                .into_any_element()
2766        })
2767    }
2768
2769    pub(crate) fn render_co_authors(&self, cx: &Context<Self>) -> Option<AnyElement> {
2770        let potential_co_authors = self.potential_co_authors(cx);
2771
2772        let (tooltip_label, icon) = if self.add_coauthors {
2773            ("Remove co-authored-by", IconName::Person)
2774        } else {
2775            ("Add co-authored-by", IconName::UserCheck)
2776        };
2777
2778        if potential_co_authors.is_empty() {
2779            None
2780        } else {
2781            Some(
2782                IconButton::new("co-authors", icon)
2783                    .shape(ui::IconButtonShape::Square)
2784                    .icon_color(Color::Disabled)
2785                    .selected_icon_color(Color::Selected)
2786                    .toggle_state(self.add_coauthors)
2787                    .tooltip(move |_, cx| {
2788                        let title = format!(
2789                            "{}:{}{}",
2790                            tooltip_label,
2791                            if potential_co_authors.len() == 1 {
2792                                ""
2793                            } else {
2794                                "\n"
2795                            },
2796                            potential_co_authors
2797                                .iter()
2798                                .map(|(name, email)| format!(" {} <{}>", name, email))
2799                                .join("\n")
2800                        );
2801                        Tooltip::simple(title, cx)
2802                    })
2803                    .on_click(cx.listener(|this, _, _, cx| {
2804                        this.add_coauthors = !this.add_coauthors;
2805                        cx.notify();
2806                    }))
2807                    .into_any_element(),
2808            )
2809        }
2810    }
2811
2812    fn render_git_commit_menu(
2813        &self,
2814        id: impl Into<ElementId>,
2815        keybinding_target: Option<FocusHandle>,
2816    ) -> impl IntoElement {
2817        PopoverMenu::new(id.into())
2818            .trigger(
2819                ui::ButtonLike::new_rounded_right("commit-split-button-right")
2820                    .layer(ui::ElevationIndex::ModalSurface)
2821                    .size(ui::ButtonSize::None)
2822                    .child(
2823                        div()
2824                            .px_1()
2825                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
2826                    ),
2827            )
2828            .menu(move |window, cx| {
2829                Some(ContextMenu::build(window, cx, |context_menu, _, _| {
2830                    context_menu
2831                        .when_some(keybinding_target.clone(), |el, keybinding_target| {
2832                            el.context(keybinding_target.clone())
2833                        })
2834                        .action("Amend", Amend.boxed_clone())
2835                }))
2836            })
2837            .anchor(Corner::TopRight)
2838    }
2839
2840    pub fn configure_commit_button(&self, cx: &mut Context<Self>) -> (bool, &'static str) {
2841        if self.has_unstaged_conflicts() {
2842            (false, "You must resolve conflicts before committing")
2843        } else if !self.has_staged_changes() && !self.has_tracked_changes() {
2844            (false, "No changes to commit")
2845        } else if self.pending_commit.is_some() {
2846            (false, "Commit in progress")
2847        } else if self.custom_or_suggested_commit_message(cx).is_none() {
2848            (false, "No commit message")
2849        } else if !self.has_write_access(cx) {
2850            (false, "You do not have write access to this project")
2851        } else {
2852            (true, self.commit_button_title())
2853        }
2854    }
2855
2856    pub fn commit_button_title(&self) -> &'static str {
2857        if self.amend_pending {
2858            if self.has_staged_changes() {
2859                "Amend"
2860            } else {
2861                "Amend Tracked"
2862            }
2863        } else {
2864            if self.has_staged_changes() {
2865                "Commit"
2866            } else {
2867                "Commit Tracked"
2868            }
2869        }
2870    }
2871
2872    fn expand_commit_editor(
2873        &mut self,
2874        _: &git::ExpandCommitEditor,
2875        window: &mut Window,
2876        cx: &mut Context<Self>,
2877    ) {
2878        let workspace = self.workspace.clone();
2879        window.defer(cx, move |window, cx| {
2880            workspace
2881                .update(cx, |workspace, cx| {
2882                    CommitModal::toggle(workspace, None, window, cx)
2883                })
2884                .ok();
2885        })
2886    }
2887
2888    fn render_panel_header(
2889        &self,
2890        window: &mut Window,
2891        cx: &mut Context<Self>,
2892    ) -> Option<impl IntoElement> {
2893        self.active_repository.as_ref()?;
2894
2895        let text;
2896        let action;
2897        let tooltip;
2898        if self.total_staged_count() == self.entry_count && self.entry_count > 0 {
2899            text = "Unstage All";
2900            action = git::UnstageAll.boxed_clone();
2901            tooltip = "git reset";
2902        } else {
2903            text = "Stage All";
2904            action = git::StageAll.boxed_clone();
2905            tooltip = "git add --all ."
2906        }
2907
2908        let change_string = match self.entry_count {
2909            0 => "No Changes".to_string(),
2910            1 => "1 Change".to_string(),
2911            _ => format!("{} Changes", self.entry_count),
2912        };
2913
2914        Some(
2915            self.panel_header_container(window, cx)
2916                .px_2()
2917                .child(
2918                    panel_button(change_string)
2919                        .color(Color::Muted)
2920                        .tooltip(Tooltip::for_action_title_in(
2921                            "Open Diff",
2922                            &Diff,
2923                            &self.focus_handle,
2924                        ))
2925                        .on_click(|_, _, cx| {
2926                            cx.defer(|cx| {
2927                                cx.dispatch_action(&Diff);
2928                            })
2929                        }),
2930                )
2931                .child(div().flex_grow()) // spacer
2932                .child(self.render_overflow_menu("overflow_menu"))
2933                .child(div().w_2()) // another spacer
2934                .child(
2935                    panel_filled_button(text)
2936                        .tooltip(Tooltip::for_action_title_in(
2937                            tooltip,
2938                            action.as_ref(),
2939                            &self.focus_handle,
2940                        ))
2941                        .disabled(self.entry_count == 0)
2942                        .on_click(move |_, _, cx| {
2943                            let action = action.boxed_clone();
2944                            cx.defer(move |cx| {
2945                                cx.dispatch_action(action.as_ref());
2946                            })
2947                        }),
2948                ),
2949        )
2950    }
2951
2952    pub(crate) fn render_remote_button(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2953        let branch = self.active_repository.as_ref()?.read(cx).branch.clone();
2954        if !self.can_push_and_pull(cx) {
2955            return None;
2956        }
2957        Some(
2958            h_flex()
2959                .gap_1()
2960                .flex_shrink_0()
2961                .when_some(branch, |this, branch| {
2962                    let focus_handle = Some(self.focus_handle(cx));
2963
2964                    this.children(render_remote_button(
2965                        "remote-button",
2966                        &branch,
2967                        focus_handle,
2968                        true,
2969                    ))
2970                })
2971                .into_any_element(),
2972        )
2973    }
2974
2975    pub fn render_footer(
2976        &self,
2977        window: &mut Window,
2978        cx: &mut Context<Self>,
2979    ) -> Option<impl IntoElement> {
2980        let active_repository = self.active_repository.clone()?;
2981        let panel_editor_style = panel_editor_style(true, window, cx);
2982
2983        let enable_coauthors = self.render_co_authors(cx);
2984
2985        let editor_focus_handle = self.commit_editor.focus_handle(cx);
2986        let expand_tooltip_focus_handle = editor_focus_handle.clone();
2987
2988        let branch = active_repository.read(cx).branch.clone();
2989        let head_commit = active_repository.read(cx).head_commit.clone();
2990
2991        let footer_size = px(32.);
2992        let gap = px(9.0);
2993        let max_height = panel_editor_style
2994            .text
2995            .line_height_in_pixels(window.rem_size())
2996            * MAX_PANEL_EDITOR_LINES
2997            + gap;
2998
2999        let git_panel = cx.entity().clone();
3000        let display_name = SharedString::from(Arc::from(
3001            active_repository
3002                .read(cx)
3003                .display_name()
3004                .trim_end_matches("/"),
3005        ));
3006        let editor_is_long = self.commit_editor.update(cx, |editor, cx| {
3007            editor.max_point(cx).row().0 >= MAX_PANEL_EDITOR_LINES as u32
3008        });
3009        let has_previous_commit = head_commit.is_some();
3010
3011        let footer = v_flex()
3012            .child(PanelRepoFooter::new(
3013                display_name,
3014                branch,
3015                head_commit,
3016                Some(git_panel.clone()),
3017            ))
3018            .child(
3019                panel_editor_container(window, cx)
3020                    .id("commit-editor-container")
3021                    .relative()
3022                    .w_full()
3023                    .h(max_height + footer_size)
3024                    .border_t_1()
3025                    .border_color(cx.theme().colors().border_variant)
3026                    .cursor_text()
3027                    .on_click(cx.listener(move |this, _: &ClickEvent, window, cx| {
3028                        window.focus(&this.commit_editor.focus_handle(cx));
3029                    }))
3030                    .child(
3031                        h_flex()
3032                            .id("commit-footer")
3033                            .border_t_1()
3034                            .when(editor_is_long, |el| {
3035                                el.border_color(cx.theme().colors().border_variant)
3036                            })
3037                            .absolute()
3038                            .bottom_0()
3039                            .left_0()
3040                            .w_full()
3041                            .px_2()
3042                            .h(footer_size)
3043                            .flex_none()
3044                            .justify_between()
3045                            .child(
3046                                self.render_generate_commit_message_button(cx)
3047                                    .unwrap_or_else(|| div().into_any_element()),
3048                            )
3049                            .child(
3050                                h_flex()
3051                                    .gap_0p5()
3052                                    .children(enable_coauthors)
3053                                    .child(self.render_commit_button(has_previous_commit, cx)),
3054                            ),
3055                    )
3056                    .child(
3057                        div()
3058                            .pr_2p5()
3059                            .on_action(|&editor::actions::MoveUp, _, cx| {
3060                                cx.stop_propagation();
3061                            })
3062                            .on_action(|&editor::actions::MoveDown, _, cx| {
3063                                cx.stop_propagation();
3064                            })
3065                            .child(EditorElement::new(&self.commit_editor, panel_editor_style)),
3066                    )
3067                    .child(
3068                        h_flex()
3069                            .absolute()
3070                            .top_2()
3071                            .right_2()
3072                            .opacity(0.5)
3073                            .hover(|this| this.opacity(1.0))
3074                            .child(
3075                                panel_icon_button("expand-commit-editor", IconName::Maximize)
3076                                    .icon_size(IconSize::Small)
3077                                    .size(ui::ButtonSize::Default)
3078                                    .tooltip(move |window, cx| {
3079                                        Tooltip::for_action_in(
3080                                            "Open Commit Modal",
3081                                            &git::ExpandCommitEditor,
3082                                            &expand_tooltip_focus_handle,
3083                                            window,
3084                                            cx,
3085                                        )
3086                                    })
3087                                    .on_click(cx.listener({
3088                                        move |_, _, window, cx| {
3089                                            window.dispatch_action(
3090                                                git::ExpandCommitEditor.boxed_clone(),
3091                                                cx,
3092                                            )
3093                                        }
3094                                    })),
3095                            ),
3096                    ),
3097            );
3098
3099        Some(footer)
3100    }
3101
3102    fn render_commit_button(
3103        &self,
3104        has_previous_commit: bool,
3105        cx: &mut Context<Self>,
3106    ) -> impl IntoElement {
3107        let (can_commit, tooltip) = self.configure_commit_button(cx);
3108        let title = self.commit_button_title();
3109        let commit_tooltip_focus_handle = self.commit_editor.focus_handle(cx);
3110        div()
3111            .id("commit-wrapper")
3112            .on_hover(cx.listener(move |this, hovered, _, cx| {
3113                this.show_placeholders =
3114                    *hovered && !this.has_staged_changes() && !this.has_unstaged_conflicts();
3115                cx.notify()
3116            }))
3117            .when(self.amend_pending, {
3118                |this| {
3119                    this.h_flex()
3120                        .gap_1()
3121                        .child(
3122                            panel_filled_button("Cancel")
3123                                .tooltip({
3124                                    let handle = commit_tooltip_focus_handle.clone();
3125                                    move |window, cx| {
3126                                        Tooltip::for_action_in(
3127                                            "Cancel amend",
3128                                            &git::Cancel,
3129                                            &handle,
3130                                            window,
3131                                            cx,
3132                                        )
3133                                    }
3134                                })
3135                                .on_click(move |_, window, cx| {
3136                                    window.dispatch_action(Box::new(git::Cancel), cx);
3137                                }),
3138                        )
3139                        .child(
3140                            panel_filled_button(title)
3141                                .tooltip({
3142                                    let handle = commit_tooltip_focus_handle.clone();
3143                                    move |window, cx| {
3144                                        if can_commit {
3145                                            Tooltip::for_action_in(
3146                                                tooltip, &Amend, &handle, window, cx,
3147                                            )
3148                                        } else {
3149                                            Tooltip::simple(tooltip, cx)
3150                                        }
3151                                    }
3152                                })
3153                                .disabled(!can_commit || self.modal_open)
3154                                .on_click({
3155                                    let git_panel = cx.weak_entity();
3156                                    move |_, window, cx| {
3157                                        telemetry::event!("Git Amended", source = "Git Panel");
3158                                        git_panel
3159                                            .update(cx, |git_panel, cx| {
3160                                                git_panel.set_amend_pending(false, cx);
3161                                                git_panel.commit_changes(
3162                                                    CommitOptions { amend: true },
3163                                                    window,
3164                                                    cx,
3165                                                );
3166                                            })
3167                                            .ok();
3168                                    }
3169                                }),
3170                        )
3171                }
3172            })
3173            .when(!self.amend_pending, |this| {
3174                this.when(has_previous_commit, |this| {
3175                    this.child(SplitButton::new(
3176                        ui::ButtonLike::new_rounded_left(ElementId::Name(
3177                            format!("split-button-left-{}", title).into(),
3178                        ))
3179                        .layer(ui::ElevationIndex::ModalSurface)
3180                        .size(ui::ButtonSize::Compact)
3181                        .child(
3182                            div()
3183                                .child(Label::new(title).size(LabelSize::Small))
3184                                .mr_0p5(),
3185                        )
3186                        .on_click({
3187                            let git_panel = cx.weak_entity();
3188                            move |_, window, cx| {
3189                                telemetry::event!("Git Committed", source = "Git Panel");
3190                                git_panel
3191                                    .update(cx, |git_panel, cx| {
3192                                        git_panel.commit_changes(
3193                                            CommitOptions { amend: false },
3194                                            window,
3195                                            cx,
3196                                        );
3197                                    })
3198                                    .ok();
3199                            }
3200                        })
3201                        .disabled(!can_commit || self.modal_open)
3202                        .tooltip({
3203                            let handle = commit_tooltip_focus_handle.clone();
3204                            move |window, cx| {
3205                                if can_commit {
3206                                    Tooltip::with_meta_in(
3207                                        tooltip,
3208                                        Some(&git::Commit),
3209                                        "git commit",
3210                                        &handle.clone(),
3211                                        window,
3212                                        cx,
3213                                    )
3214                                } else {
3215                                    Tooltip::simple(tooltip, cx)
3216                                }
3217                            }
3218                        }),
3219                        self.render_git_commit_menu(
3220                            ElementId::Name(format!("split-button-right-{}", title).into()),
3221                            Some(commit_tooltip_focus_handle.clone()),
3222                        )
3223                        .into_any_element(),
3224                    ))
3225                })
3226                .when(!has_previous_commit, |this| {
3227                    this.child(
3228                        panel_filled_button(title)
3229                            .tooltip(move |window, cx| {
3230                                if can_commit {
3231                                    Tooltip::with_meta_in(
3232                                        tooltip,
3233                                        Some(&git::Commit),
3234                                        "git commit",
3235                                        &commit_tooltip_focus_handle,
3236                                        window,
3237                                        cx,
3238                                    )
3239                                } else {
3240                                    Tooltip::simple(tooltip, cx)
3241                                }
3242                            })
3243                            .disabled(!can_commit || self.modal_open)
3244                            .on_click({
3245                                let git_panel = cx.weak_entity();
3246                                move |_, window, cx| {
3247                                    telemetry::event!("Git Committed", source = "Git Panel");
3248                                    git_panel
3249                                        .update(cx, |git_panel, cx| {
3250                                            git_panel.commit_changes(
3251                                                CommitOptions { amend: false },
3252                                                window,
3253                                                cx,
3254                                            );
3255                                        })
3256                                        .ok();
3257                                }
3258                            }),
3259                    )
3260                })
3261            })
3262    }
3263
3264    fn render_pending_amend(&self, cx: &mut Context<Self>) -> impl IntoElement {
3265        div()
3266            .py_2()
3267            .px(px(8.))
3268            .border_color(cx.theme().colors().border)
3269            .child(
3270                Label::new(
3271                    "This will update your most recent commit. Cancel to make a new one instead.",
3272                )
3273                .size(LabelSize::Small),
3274            )
3275    }
3276
3277    fn render_previous_commit(&self, cx: &mut Context<Self>) -> Option<impl IntoElement> {
3278        let active_repository = self.active_repository.as_ref()?;
3279        let branch = active_repository.read(cx).branch.as_ref()?;
3280        let commit = branch.most_recent_commit.as_ref()?.clone();
3281        let workspace = self.workspace.clone();
3282
3283        let this = cx.entity();
3284        Some(
3285            h_flex()
3286                .items_center()
3287                .py_2()
3288                .px(px(8.))
3289                .border_color(cx.theme().colors().border)
3290                .gap_1p5()
3291                .child(
3292                    div()
3293                        .flex_grow()
3294                        .overflow_hidden()
3295                        .items_center()
3296                        .max_w(relative(0.85))
3297                        .h_full()
3298                        .child(
3299                            Label::new(commit.subject.clone())
3300                                .size(LabelSize::Small)
3301                                .truncate(),
3302                        )
3303                        .id("commit-msg-hover")
3304                        .on_click({
3305                            let commit = commit.clone();
3306                            let repo = active_repository.downgrade();
3307                            move |_, window, cx| {
3308                                CommitView::open(
3309                                    commit.clone(),
3310                                    repo.clone(),
3311                                    workspace.clone().clone(),
3312                                    window,
3313                                    cx,
3314                                );
3315                            }
3316                        })
3317                        .hoverable_tooltip({
3318                            let repo = active_repository.clone();
3319                            move |window, cx| {
3320                                GitPanelMessageTooltip::new(
3321                                    this.clone(),
3322                                    commit.sha.clone(),
3323                                    repo.clone(),
3324                                    window,
3325                                    cx,
3326                                )
3327                                .into()
3328                            }
3329                        }),
3330                )
3331                .child(div().flex_1())
3332                .when(commit.has_parent, |this| {
3333                    let has_unstaged = self.has_unstaged_changes();
3334                    this.child(
3335                        panel_icon_button("undo", IconName::Undo)
3336                            .icon_size(IconSize::Small)
3337                            .icon_color(Color::Muted)
3338                            .tooltip(move |window, cx| {
3339                                Tooltip::with_meta(
3340                                    "Uncommit",
3341                                    Some(&git::Uncommit),
3342                                    if has_unstaged {
3343                                        "git reset HEAD^ --soft"
3344                                    } else {
3345                                        "git reset HEAD^"
3346                                    },
3347                                    window,
3348                                    cx,
3349                                )
3350                            })
3351                            .on_click(cx.listener(|this, _, window, cx| this.uncommit(window, cx))),
3352                    )
3353                }),
3354        )
3355    }
3356
3357    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
3358        h_flex()
3359            .h_full()
3360            .flex_grow()
3361            .justify_center()
3362            .items_center()
3363            .child(
3364                v_flex()
3365                    .gap_2()
3366                    .child(h_flex().w_full().justify_around().child(
3367                        if self.active_repository.is_some() {
3368                            "No changes to commit"
3369                        } else {
3370                            "No Git repositories"
3371                        },
3372                    ))
3373                    .children({
3374                        let worktree_count = self.project.read(cx).visible_worktrees(cx).count();
3375                        (worktree_count > 0 && self.active_repository.is_none()).then(|| {
3376                            h_flex().w_full().justify_around().child(
3377                                panel_filled_button("Initialize Repository")
3378                                    .tooltip(Tooltip::for_action_title_in(
3379                                        "git init",
3380                                        &git::Init,
3381                                        &self.focus_handle,
3382                                    ))
3383                                    .on_click(move |_, _, cx| {
3384                                        cx.defer(move |cx| {
3385                                            cx.dispatch_action(&git::Init);
3386                                        })
3387                                    }),
3388                            )
3389                        })
3390                    })
3391                    .text_ui_sm(cx)
3392                    .mx_auto()
3393                    .text_color(Color::Placeholder.color(cx)),
3394            )
3395    }
3396
3397    fn render_vertical_scrollbar(
3398        &self,
3399        show_horizontal_scrollbar_container: bool,
3400        cx: &mut Context<Self>,
3401    ) -> impl IntoElement {
3402        div()
3403            .id("git-panel-vertical-scroll")
3404            .occlude()
3405            .flex_none()
3406            .h_full()
3407            .cursor_default()
3408            .absolute()
3409            .right_0()
3410            .top_0()
3411            .bottom_0()
3412            .w(px(12.))
3413            .when(show_horizontal_scrollbar_container, |this| {
3414                this.pb_neg_3p5()
3415            })
3416            .on_mouse_move(cx.listener(|_, _, _, cx| {
3417                cx.notify();
3418                cx.stop_propagation()
3419            }))
3420            .on_hover(|_, _, cx| {
3421                cx.stop_propagation();
3422            })
3423            .on_any_mouse_down(|_, _, cx| {
3424                cx.stop_propagation();
3425            })
3426            .on_mouse_up(
3427                MouseButton::Left,
3428                cx.listener(|this, _, window, cx| {
3429                    if !this.vertical_scrollbar.state.is_dragging()
3430                        && !this.focus_handle.contains_focused(window, cx)
3431                    {
3432                        this.vertical_scrollbar.hide(window, cx);
3433                        cx.notify();
3434                    }
3435
3436                    cx.stop_propagation();
3437                }),
3438            )
3439            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3440                cx.notify();
3441            }))
3442            .children(Scrollbar::vertical(
3443                // percentage as f32..end_offset as f32,
3444                self.vertical_scrollbar.state.clone(),
3445            ))
3446    }
3447
3448    /// Renders the horizontal scrollbar.
3449    ///
3450    /// The right offset is used to determine how far to the right the
3451    /// scrollbar should extend to, useful for ensuring it doesn't collide
3452    /// with the vertical scrollbar when visible.
3453    fn render_horizontal_scrollbar(
3454        &self,
3455        right_offset: Pixels,
3456        cx: &mut Context<Self>,
3457    ) -> impl IntoElement {
3458        div()
3459            .id("git-panel-horizontal-scroll")
3460            .occlude()
3461            .flex_none()
3462            .w_full()
3463            .cursor_default()
3464            .absolute()
3465            .bottom_neg_px()
3466            .left_0()
3467            .right_0()
3468            .pr(right_offset)
3469            .on_mouse_move(cx.listener(|_, _, _, cx| {
3470                cx.notify();
3471                cx.stop_propagation()
3472            }))
3473            .on_hover(|_, _, cx| {
3474                cx.stop_propagation();
3475            })
3476            .on_any_mouse_down(|_, _, cx| {
3477                cx.stop_propagation();
3478            })
3479            .on_mouse_up(
3480                MouseButton::Left,
3481                cx.listener(|this, _, window, cx| {
3482                    if !this.horizontal_scrollbar.state.is_dragging()
3483                        && !this.focus_handle.contains_focused(window, cx)
3484                    {
3485                        this.horizontal_scrollbar.hide(window, cx);
3486                        cx.notify();
3487                    }
3488
3489                    cx.stop_propagation();
3490                }),
3491            )
3492            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3493                cx.notify();
3494            }))
3495            .children(Scrollbar::horizontal(
3496                // percentage as f32..end_offset as f32,
3497                self.horizontal_scrollbar.state.clone(),
3498            ))
3499    }
3500
3501    fn render_buffer_header_controls(
3502        &self,
3503        entity: &Entity<Self>,
3504        file: &Arc<dyn File>,
3505        _: &Window,
3506        cx: &App,
3507    ) -> Option<AnyElement> {
3508        let repo = self.active_repository.as_ref()?.read(cx);
3509        let project_path = (file.worktree_id(cx), file.path()).into();
3510        let repo_path = repo.project_path_to_repo_path(&project_path, cx)?;
3511        let ix = self.entry_by_path(&repo_path, cx)?;
3512        let entry = self.entries.get(ix)?;
3513
3514        let entry_staging = self.entry_staging(entry.status_entry()?);
3515
3516        let checkbox = Checkbox::new("stage-file", entry_staging.as_bool().into())
3517            .disabled(!self.has_write_access(cx))
3518            .fill()
3519            .elevation(ElevationIndex::Surface)
3520            .on_click({
3521                let entry = entry.clone();
3522                let git_panel = entity.downgrade();
3523                move |_, window, cx| {
3524                    git_panel
3525                        .update(cx, |this, cx| {
3526                            this.toggle_staged_for_entry(&entry, window, cx);
3527                            cx.stop_propagation();
3528                        })
3529                        .ok();
3530                }
3531            });
3532        Some(
3533            h_flex()
3534                .id("start-slot")
3535                .text_lg()
3536                .child(checkbox)
3537                .on_mouse_down(MouseButton::Left, |_, _, cx| {
3538                    // prevent the list item active state triggering when toggling checkbox
3539                    cx.stop_propagation();
3540                })
3541                .into_any_element(),
3542        )
3543    }
3544
3545    fn render_entries(
3546        &self,
3547        has_write_access: bool,
3548        _: &Window,
3549        cx: &mut Context<Self>,
3550    ) -> impl IntoElement {
3551        let entry_count = self.entries.len();
3552
3553        let scroll_track_size = px(16.);
3554
3555        let h_scroll_offset = if self.vertical_scrollbar.show_scrollbar {
3556            // magic number
3557            px(3.)
3558        } else {
3559            px(0.)
3560        };
3561
3562        v_flex()
3563            .flex_1()
3564            .size_full()
3565            .overflow_hidden()
3566            .relative()
3567            // Show a border on the top and bottom of the container when
3568            // the vertical scrollbar container is visible so we don't have a
3569            // floating left border in the panel.
3570            .when(self.vertical_scrollbar.show_track, |this| {
3571                this.border_t_1()
3572                    .border_b_1()
3573                    .border_color(cx.theme().colors().border)
3574            })
3575            .child(
3576                h_flex()
3577                    .flex_1()
3578                    .size_full()
3579                    .relative()
3580                    .overflow_hidden()
3581                    .child(
3582                        uniform_list(cx.entity().clone(), "entries", entry_count, {
3583                            move |this, range, window, cx| {
3584                                let mut items = Vec::with_capacity(range.end - range.start);
3585
3586                                for ix in range {
3587                                    match &this.entries.get(ix) {
3588                                        Some(GitListEntry::GitStatusEntry(entry)) => {
3589                                            items.push(this.render_entry(
3590                                                ix,
3591                                                entry,
3592                                                has_write_access,
3593                                                window,
3594                                                cx,
3595                                            ));
3596                                        }
3597                                        Some(GitListEntry::Header(header)) => {
3598                                            items.push(this.render_list_header(
3599                                                ix,
3600                                                header,
3601                                                has_write_access,
3602                                                window,
3603                                                cx,
3604                                            ));
3605                                        }
3606                                        None => {}
3607                                    }
3608                                }
3609
3610                                items
3611                            }
3612                        })
3613                        .when(
3614                            !self.horizontal_scrollbar.show_track
3615                                && self.horizontal_scrollbar.show_scrollbar,
3616                            |this| {
3617                                // when not showing the horizontal scrollbar track, make sure we don't
3618                                // obscure the last entry
3619                                this.pb(scroll_track_size)
3620                            },
3621                        )
3622                        .size_full()
3623                        .flex_grow()
3624                        .with_sizing_behavior(ListSizingBehavior::Auto)
3625                        .with_horizontal_sizing_behavior(
3626                            ListHorizontalSizingBehavior::Unconstrained,
3627                        )
3628                        .with_width_from_item(self.max_width_item_index)
3629                        .track_scroll(self.scroll_handle.clone()),
3630                    )
3631                    .on_mouse_down(
3632                        MouseButton::Right,
3633                        cx.listener(move |this, event: &MouseDownEvent, window, cx| {
3634                            this.deploy_panel_context_menu(event.position, window, cx)
3635                        }),
3636                    )
3637                    .when(self.vertical_scrollbar.show_track, |this| {
3638                        this.child(
3639                            v_flex()
3640                                .h_full()
3641                                .flex_none()
3642                                .w(scroll_track_size)
3643                                .bg(cx.theme().colors().panel_background)
3644                                .child(
3645                                    div()
3646                                        .size_full()
3647                                        .flex_1()
3648                                        .border_l_1()
3649                                        .border_color(cx.theme().colors().border),
3650                                ),
3651                        )
3652                    })
3653                    .when(self.vertical_scrollbar.show_scrollbar, |this| {
3654                        this.child(
3655                            self.render_vertical_scrollbar(
3656                                self.horizontal_scrollbar.show_track,
3657                                cx,
3658                            ),
3659                        )
3660                    }),
3661            )
3662            .when(self.horizontal_scrollbar.show_track, |this| {
3663                this.child(
3664                    h_flex()
3665                        .w_full()
3666                        .h(scroll_track_size)
3667                        .flex_none()
3668                        .relative()
3669                        .child(
3670                            div()
3671                                .w_full()
3672                                .flex_1()
3673                                // for some reason the horizontal scrollbar is 1px
3674                                // taller than the vertical scrollbar??
3675                                .h(scroll_track_size - px(1.))
3676                                .bg(cx.theme().colors().panel_background)
3677                                .border_t_1()
3678                                .border_color(cx.theme().colors().border),
3679                        )
3680                        .when(self.vertical_scrollbar.show_track, |this| {
3681                            this.child(
3682                                div()
3683                                    .flex_none()
3684                                    // -1px prevents a missing pixel between the two container borders
3685                                    .w(scroll_track_size - px(1.))
3686                                    .h_full(),
3687                            )
3688                            .child(
3689                                // HACK: Fill the missing 1px 🥲
3690                                div()
3691                                    .absolute()
3692                                    .right(scroll_track_size - px(1.))
3693                                    .bottom(scroll_track_size - px(1.))
3694                                    .size_px()
3695                                    .bg(cx.theme().colors().border),
3696                            )
3697                        }),
3698                )
3699            })
3700            .when(self.horizontal_scrollbar.show_scrollbar, |this| {
3701                this.child(self.render_horizontal_scrollbar(h_scroll_offset, cx))
3702            })
3703    }
3704
3705    fn entry_label(&self, label: impl Into<SharedString>, color: Color) -> Label {
3706        Label::new(label.into()).color(color).single_line()
3707    }
3708
3709    fn list_item_height(&self) -> Rems {
3710        rems(1.75)
3711    }
3712
3713    fn render_list_header(
3714        &self,
3715        ix: usize,
3716        header: &GitHeaderEntry,
3717        _: bool,
3718        _: &Window,
3719        _: &Context<Self>,
3720    ) -> AnyElement {
3721        let id: ElementId = ElementId::Name(format!("header_{}", ix).into());
3722
3723        h_flex()
3724            .id(id)
3725            .h(self.list_item_height())
3726            .w_full()
3727            .items_end()
3728            .px(rems(0.75)) // ~12px
3729            .pb(rems(0.3125)) // ~ 5px
3730            .child(
3731                Label::new(header.title())
3732                    .color(Color::Muted)
3733                    .size(LabelSize::Small)
3734                    .line_height_style(LineHeightStyle::UiLabel)
3735                    .single_line(),
3736            )
3737            .into_any_element()
3738    }
3739
3740    pub fn load_commit_details(
3741        &self,
3742        sha: String,
3743        cx: &mut Context<Self>,
3744    ) -> Task<anyhow::Result<CommitDetails>> {
3745        let Some(repo) = self.active_repository.clone() else {
3746            return Task::ready(Err(anyhow::anyhow!("no active repo")));
3747        };
3748        repo.update(cx, |repo, cx| {
3749            let show = repo.show(sha);
3750            cx.spawn(async move |_, _| show.await?)
3751        })
3752    }
3753
3754    fn deploy_entry_context_menu(
3755        &mut self,
3756        position: Point<Pixels>,
3757        ix: usize,
3758        window: &mut Window,
3759        cx: &mut Context<Self>,
3760    ) {
3761        let Some(entry) = self.entries.get(ix).and_then(|e| e.status_entry()) else {
3762            return;
3763        };
3764        let stage_title = if entry.status.staging().is_fully_staged() {
3765            "Unstage File"
3766        } else {
3767            "Stage File"
3768        };
3769        let restore_title = if entry.status.is_created() {
3770            "Trash File"
3771        } else {
3772            "Restore File"
3773        };
3774        let context_menu = ContextMenu::build(window, cx, |context_menu, _, _| {
3775            context_menu
3776                .context(self.focus_handle.clone())
3777                .action(stage_title, ToggleStaged.boxed_clone())
3778                .action(restore_title, git::RestoreFile::default().boxed_clone())
3779                .separator()
3780                .action("Open Diff", Confirm.boxed_clone())
3781                .action("Open File", SecondaryConfirm.boxed_clone())
3782        });
3783        self.selected_entry = Some(ix);
3784        self.set_context_menu(context_menu, position, window, cx);
3785    }
3786
3787    fn deploy_panel_context_menu(
3788        &mut self,
3789        position: Point<Pixels>,
3790        window: &mut Window,
3791        cx: &mut Context<Self>,
3792    ) {
3793        let context_menu = git_panel_context_menu(
3794            self.focus_handle.clone(),
3795            GitMenuState {
3796                has_tracked_changes: self.has_tracked_changes(),
3797                has_staged_changes: self.has_staged_changes(),
3798                has_unstaged_changes: self.has_unstaged_changes(),
3799                has_new_changes: self.new_count > 0,
3800            },
3801            window,
3802            cx,
3803        );
3804        self.set_context_menu(context_menu, position, window, cx);
3805    }
3806
3807    fn set_context_menu(
3808        &mut self,
3809        context_menu: Entity<ContextMenu>,
3810        position: Point<Pixels>,
3811        window: &Window,
3812        cx: &mut Context<Self>,
3813    ) {
3814        let subscription = cx.subscribe_in(
3815            &context_menu,
3816            window,
3817            |this, _, _: &DismissEvent, window, cx| {
3818                if this.context_menu.as_ref().is_some_and(|context_menu| {
3819                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
3820                }) {
3821                    cx.focus_self(window);
3822                }
3823                this.context_menu.take();
3824                cx.notify();
3825            },
3826        );
3827        self.context_menu = Some((context_menu, position, subscription));
3828        cx.notify();
3829    }
3830
3831    fn render_entry(
3832        &self,
3833        ix: usize,
3834        entry: &GitStatusEntry,
3835        has_write_access: bool,
3836        window: &Window,
3837        cx: &Context<Self>,
3838    ) -> AnyElement {
3839        let display_name = entry.display_name();
3840
3841        let selected = self.selected_entry == Some(ix);
3842        let marked = self.marked_entries.contains(&ix);
3843        let status_style = GitPanelSettings::get_global(cx).status_style;
3844        let status = entry.status;
3845        let modifiers = self.current_modifiers;
3846        let shift_held = modifiers.shift;
3847
3848        let has_conflict = status.is_conflicted();
3849        let is_modified = status.is_modified();
3850        let is_deleted = status.is_deleted();
3851
3852        let label_color = if status_style == StatusStyle::LabelColor {
3853            if has_conflict {
3854                Color::VersionControlConflict
3855            } else if is_modified {
3856                Color::VersionControlModified
3857            } else if is_deleted {
3858                // We don't want a bunch of red labels in the list
3859                Color::Disabled
3860            } else {
3861                Color::VersionControlAdded
3862            }
3863        } else {
3864            Color::Default
3865        };
3866
3867        let path_color = if status.is_deleted() {
3868            Color::Disabled
3869        } else {
3870            Color::Muted
3871        };
3872
3873        let id: ElementId = ElementId::Name(format!("entry_{}_{}", display_name, ix).into());
3874        let checkbox_wrapper_id: ElementId =
3875            ElementId::Name(format!("entry_{}_{}_checkbox_wrapper", display_name, ix).into());
3876        let checkbox_id: ElementId =
3877            ElementId::Name(format!("entry_{}_{}_checkbox", display_name, ix).into());
3878
3879        let entry_staging = self.entry_staging(entry);
3880        let mut is_staged: ToggleState = self.entry_staging(entry).as_bool().into();
3881        if self.show_placeholders && !self.has_staged_changes() && !entry.status.is_created() {
3882            is_staged = ToggleState::Selected;
3883        }
3884
3885        let handle = cx.weak_entity();
3886
3887        let selected_bg_alpha = 0.08;
3888        let marked_bg_alpha = 0.12;
3889        let state_opacity_step = 0.04;
3890
3891        let base_bg = match (selected, marked) {
3892            (true, true) => cx
3893                .theme()
3894                .status()
3895                .info
3896                .alpha(selected_bg_alpha + marked_bg_alpha),
3897            (true, false) => cx.theme().status().info.alpha(selected_bg_alpha),
3898            (false, true) => cx.theme().status().info.alpha(marked_bg_alpha),
3899            _ => cx.theme().colors().ghost_element_background,
3900        };
3901
3902        let hover_bg = if selected {
3903            cx.theme()
3904                .status()
3905                .info
3906                .alpha(selected_bg_alpha + state_opacity_step)
3907        } else {
3908            cx.theme().colors().ghost_element_hover
3909        };
3910
3911        let active_bg = if selected {
3912            cx.theme()
3913                .status()
3914                .info
3915                .alpha(selected_bg_alpha + state_opacity_step * 2.0)
3916        } else {
3917            cx.theme().colors().ghost_element_active
3918        };
3919
3920        h_flex()
3921            .id(id)
3922            .h(self.list_item_height())
3923            .w_full()
3924            .items_center()
3925            .border_1()
3926            .when(selected && self.focus_handle.is_focused(window), |el| {
3927                el.border_color(cx.theme().colors().border_focused)
3928            })
3929            .px(rems(0.75)) // ~12px
3930            .overflow_hidden()
3931            .flex_none()
3932            .gap_1p5()
3933            .bg(base_bg)
3934            .hover(|this| this.bg(hover_bg))
3935            .active(|this| this.bg(active_bg))
3936            .on_click({
3937                cx.listener(move |this, event: &ClickEvent, window, cx| {
3938                    this.selected_entry = Some(ix);
3939                    cx.notify();
3940                    if event.modifiers().secondary() {
3941                        this.open_file(&Default::default(), window, cx)
3942                    } else {
3943                        this.open_diff(&Default::default(), window, cx);
3944                        this.focus_handle.focus(window);
3945                    }
3946                })
3947            })
3948            .on_mouse_down(
3949                MouseButton::Right,
3950                move |event: &MouseDownEvent, window, cx| {
3951                    // why isn't this happening automatically? we are passing MouseButton::Right to `on_mouse_down`?
3952                    if event.button != MouseButton::Right {
3953                        return;
3954                    }
3955
3956                    let Some(this) = handle.upgrade() else {
3957                        return;
3958                    };
3959                    this.update(cx, |this, cx| {
3960                        this.deploy_entry_context_menu(event.position, ix, window, cx);
3961                    });
3962                    cx.stop_propagation();
3963                },
3964            )
3965            // .on_secondary_mouse_down(cx.listener(
3966            //     move |this, event: &MouseDownEvent, window, cx| {
3967            //         this.deploy_entry_context_menu(event.position, ix, window, cx);
3968            //         cx.stop_propagation();
3969            //     },
3970            // ))
3971            .child(
3972                div()
3973                    .id(checkbox_wrapper_id)
3974                    .flex_none()
3975                    .occlude()
3976                    .cursor_pointer()
3977                    .child(
3978                        Checkbox::new(checkbox_id, is_staged)
3979                            .disabled(!has_write_access)
3980                            .fill()
3981                            .elevation(ElevationIndex::Surface)
3982                            .on_click({
3983                                let entry = entry.clone();
3984                                cx.listener(move |this, _, window, cx| {
3985                                    if !has_write_access {
3986                                        return;
3987                                    }
3988                                    this.toggle_staged_for_entry(
3989                                        &GitListEntry::GitStatusEntry(entry.clone()),
3990                                        window,
3991                                        cx,
3992                                    );
3993                                    cx.stop_propagation();
3994                                })
3995                            })
3996                            .tooltip(move |window, cx| {
3997                                let is_staged = entry_staging.is_fully_staged();
3998
3999                                let action = if is_staged { "Unstage" } else { "Stage" };
4000                                let tooltip_name = if shift_held {
4001                                    format!("{} section", action)
4002                                } else {
4003                                    action.to_string()
4004                                };
4005
4006                                let meta = if shift_held {
4007                                    format!(
4008                                        "Release shift to {} single entry",
4009                                        action.to_lowercase()
4010                                    )
4011                                } else {
4012                                    format!("Shift click to {} section", action.to_lowercase())
4013                                };
4014
4015                                Tooltip::with_meta(
4016                                    tooltip_name,
4017                                    Some(&ToggleStaged),
4018                                    meta,
4019                                    window,
4020                                    cx,
4021                                )
4022                            }),
4023                    ),
4024            )
4025            .child(git_status_icon(status))
4026            .child(
4027                h_flex()
4028                    .items_center()
4029                    .flex_1()
4030                    // .overflow_hidden()
4031                    .when_some(entry.parent_dir(), |this, parent| {
4032                        if !parent.is_empty() {
4033                            this.child(
4034                                self.entry_label(format!("{}/", parent), path_color)
4035                                    .when(status.is_deleted(), |this| this.strikethrough()),
4036                            )
4037                        } else {
4038                            this
4039                        }
4040                    })
4041                    .child(
4042                        self.entry_label(display_name.clone(), label_color)
4043                            .when(status.is_deleted(), |this| this.strikethrough()),
4044                    ),
4045            )
4046            .into_any_element()
4047    }
4048
4049    fn has_write_access(&self, cx: &App) -> bool {
4050        !self.project.read(cx).is_read_only(cx)
4051    }
4052
4053    pub fn amend_pending(&self) -> bool {
4054        self.amend_pending
4055    }
4056
4057    pub fn set_amend_pending(&mut self, value: bool, cx: &mut Context<Self>) {
4058        self.amend_pending = value;
4059        cx.notify();
4060    }
4061}
4062
4063fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn LanguageModel>> {
4064    assistant_settings::AssistantSettings::get_global(cx)
4065        .enabled
4066        .then(|| {
4067            let ConfiguredModel { provider, model } =
4068                LanguageModelRegistry::read_global(cx).commit_message_model()?;
4069
4070            provider.is_authenticated(cx).then(|| model)
4071        })
4072        .flatten()
4073}
4074
4075impl Render for GitPanel {
4076    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4077        let project = self.project.read(cx);
4078        let has_entries = self.entries.len() > 0;
4079        let room = self
4080            .workspace
4081            .upgrade()
4082            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned());
4083
4084        let has_write_access = self.has_write_access(cx);
4085
4086        let has_co_authors = room.map_or(false, |room| {
4087            room.read(cx)
4088                .remote_participants()
4089                .values()
4090                .any(|remote_participant| remote_participant.can_write())
4091        });
4092
4093        v_flex()
4094            .id("git_panel")
4095            .key_context(self.dispatch_context(window, cx))
4096            .track_focus(&self.focus_handle)
4097            .on_modifiers_changed(cx.listener(Self::handle_modifiers_changed))
4098            .when(has_write_access && !project.is_read_only(cx), |this| {
4099                this.on_action(cx.listener(Self::toggle_staged_for_selected))
4100                    .on_action(cx.listener(GitPanel::commit))
4101                    .on_action(cx.listener(GitPanel::amend))
4102                    .on_action(cx.listener(GitPanel::cancel))
4103                    .on_action(cx.listener(Self::stage_all))
4104                    .on_action(cx.listener(Self::unstage_all))
4105                    .on_action(cx.listener(Self::stage_selected))
4106                    .on_action(cx.listener(Self::unstage_selected))
4107                    .on_action(cx.listener(Self::restore_tracked_files))
4108                    .on_action(cx.listener(Self::revert_selected))
4109                    .on_action(cx.listener(Self::clean_all))
4110                    .on_action(cx.listener(Self::generate_commit_message_action))
4111            })
4112            .on_action(cx.listener(Self::select_first))
4113            .on_action(cx.listener(Self::select_next))
4114            .on_action(cx.listener(Self::select_previous))
4115            .on_action(cx.listener(Self::select_last))
4116            .on_action(cx.listener(Self::close_panel))
4117            .on_action(cx.listener(Self::open_diff))
4118            .on_action(cx.listener(Self::open_file))
4119            .on_action(cx.listener(Self::focus_changes_list))
4120            .on_action(cx.listener(Self::focus_editor))
4121            .on_action(cx.listener(Self::expand_commit_editor))
4122            .when(has_write_access && has_co_authors, |git_panel| {
4123                git_panel.on_action(cx.listener(Self::toggle_fill_co_authors))
4124            })
4125            .on_hover(cx.listener(move |this, hovered, window, cx| {
4126                if *hovered {
4127                    this.horizontal_scrollbar.show(cx);
4128                    this.vertical_scrollbar.show(cx);
4129                    cx.notify();
4130                } else if !this.focus_handle.contains_focused(window, cx) {
4131                    this.hide_scrollbars(window, cx);
4132                }
4133            }))
4134            .size_full()
4135            .overflow_hidden()
4136            .bg(cx.theme().colors().panel_background)
4137            .child(
4138                v_flex()
4139                    .size_full()
4140                    .children(self.render_panel_header(window, cx))
4141                    .map(|this| {
4142                        if has_entries {
4143                            this.child(self.render_entries(has_write_access, window, cx))
4144                        } else {
4145                            this.child(self.render_empty_state(cx).into_any_element())
4146                        }
4147                    })
4148                    .children(self.render_footer(window, cx))
4149                    .when(self.amend_pending, |this| {
4150                        this.child(self.render_pending_amend(cx))
4151                    })
4152                    .when(!self.amend_pending, |this| {
4153                        this.children(self.render_previous_commit(cx))
4154                    })
4155                    .into_any_element(),
4156            )
4157            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
4158                deferred(
4159                    anchored()
4160                        .position(*position)
4161                        .anchor(Corner::TopLeft)
4162                        .child(menu.clone()),
4163                )
4164                .with_priority(1)
4165            }))
4166    }
4167}
4168
4169impl Focusable for GitPanel {
4170    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
4171        if self.entries.is_empty() {
4172            self.commit_editor.focus_handle(cx)
4173        } else {
4174            self.focus_handle.clone()
4175        }
4176    }
4177}
4178
4179impl EventEmitter<Event> for GitPanel {}
4180
4181impl EventEmitter<PanelEvent> for GitPanel {}
4182
4183pub(crate) struct GitPanelAddon {
4184    pub(crate) workspace: WeakEntity<Workspace>,
4185}
4186
4187impl editor::Addon for GitPanelAddon {
4188    fn to_any(&self) -> &dyn std::any::Any {
4189        self
4190    }
4191
4192    fn render_buffer_header_controls(
4193        &self,
4194        excerpt_info: &ExcerptInfo,
4195        window: &Window,
4196        cx: &App,
4197    ) -> Option<AnyElement> {
4198        let file = excerpt_info.buffer.file()?;
4199        let git_panel = self.workspace.upgrade()?.read(cx).panel::<GitPanel>(cx)?;
4200
4201        git_panel
4202            .read(cx)
4203            .render_buffer_header_controls(&git_panel, &file, window, cx)
4204    }
4205}
4206
4207impl Panel for GitPanel {
4208    fn persistent_name() -> &'static str {
4209        "GitPanel"
4210    }
4211
4212    fn position(&self, _: &Window, cx: &App) -> DockPosition {
4213        GitPanelSettings::get_global(cx).dock
4214    }
4215
4216    fn position_is_valid(&self, position: DockPosition) -> bool {
4217        matches!(position, DockPosition::Left | DockPosition::Right)
4218    }
4219
4220    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
4221        settings::update_settings_file::<GitPanelSettings>(
4222            self.fs.clone(),
4223            cx,
4224            move |settings, _| settings.dock = Some(position),
4225        );
4226    }
4227
4228    fn size(&self, _: &Window, cx: &App) -> Pixels {
4229        self.width
4230            .unwrap_or_else(|| GitPanelSettings::get_global(cx).default_width)
4231    }
4232
4233    fn set_size(&mut self, size: Option<Pixels>, _: &mut Window, cx: &mut Context<Self>) {
4234        self.width = size;
4235        self.serialize(cx);
4236        cx.notify();
4237    }
4238
4239    fn icon(&self, _: &Window, cx: &App) -> Option<ui::IconName> {
4240        Some(ui::IconName::GitBranchSmall).filter(|_| GitPanelSettings::get_global(cx).button)
4241    }
4242
4243    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
4244        Some("Git Panel")
4245    }
4246
4247    fn toggle_action(&self) -> Box<dyn Action> {
4248        Box::new(ToggleFocus)
4249    }
4250
4251    fn activation_priority(&self) -> u32 {
4252        2
4253    }
4254}
4255
4256impl PanelHeader for GitPanel {}
4257
4258struct GitPanelMessageTooltip {
4259    commit_tooltip: Option<Entity<CommitTooltip>>,
4260}
4261
4262impl GitPanelMessageTooltip {
4263    fn new(
4264        git_panel: Entity<GitPanel>,
4265        sha: SharedString,
4266        repository: Entity<Repository>,
4267        window: &mut Window,
4268        cx: &mut App,
4269    ) -> Entity<Self> {
4270        cx.new(|cx| {
4271            cx.spawn_in(window, async move |this, cx| {
4272                let (details, workspace) = git_panel.update(cx, |git_panel, cx| {
4273                    (
4274                        git_panel.load_commit_details(sha.to_string(), cx),
4275                        git_panel.workspace.clone(),
4276                    )
4277                })?;
4278                let details = details.await?;
4279
4280                let commit_details = crate::commit_tooltip::CommitDetails {
4281                    sha: details.sha.clone(),
4282                    author_name: details.author_name.clone(),
4283                    author_email: details.author_email.clone(),
4284                    commit_time: OffsetDateTime::from_unix_timestamp(details.commit_timestamp)?,
4285                    message: Some(ParsedCommitMessage {
4286                        message: details.message.clone(),
4287                        ..Default::default()
4288                    }),
4289                };
4290
4291                this.update(cx, |this: &mut GitPanelMessageTooltip, cx| {
4292                    this.commit_tooltip = Some(cx.new(move |cx| {
4293                        CommitTooltip::new(commit_details, repository, workspace, cx)
4294                    }));
4295                    cx.notify();
4296                })
4297            })
4298            .detach();
4299
4300            Self {
4301                commit_tooltip: None,
4302            }
4303        })
4304    }
4305}
4306
4307impl Render for GitPanelMessageTooltip {
4308    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4309        if let Some(commit_tooltip) = &self.commit_tooltip {
4310            commit_tooltip.clone().into_any_element()
4311        } else {
4312            gpui::Empty.into_any_element()
4313        }
4314    }
4315}
4316
4317#[derive(IntoElement, RegisterComponent)]
4318pub struct PanelRepoFooter {
4319    active_repository: SharedString,
4320    branch: Option<Branch>,
4321    head_commit: Option<CommitDetails>,
4322
4323    // Getting a GitPanel in previews will be difficult.
4324    //
4325    // For now just take an option here, and we won't bind handlers to buttons in previews.
4326    git_panel: Option<Entity<GitPanel>>,
4327}
4328
4329impl PanelRepoFooter {
4330    pub fn new(
4331        active_repository: SharedString,
4332        branch: Option<Branch>,
4333        head_commit: Option<CommitDetails>,
4334        git_panel: Option<Entity<GitPanel>>,
4335    ) -> Self {
4336        Self {
4337            active_repository,
4338            branch,
4339            head_commit,
4340            git_panel,
4341        }
4342    }
4343
4344    pub fn new_preview(active_repository: SharedString, branch: Option<Branch>) -> Self {
4345        Self {
4346            active_repository,
4347            branch,
4348            head_commit: None,
4349            git_panel: None,
4350        }
4351    }
4352}
4353
4354impl RenderOnce for PanelRepoFooter {
4355    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
4356        let project = self
4357            .git_panel
4358            .as_ref()
4359            .map(|panel| panel.read(cx).project.clone());
4360
4361        let repo = self
4362            .git_panel
4363            .as_ref()
4364            .and_then(|panel| panel.read(cx).active_repository.clone());
4365
4366        let single_repo = project
4367            .as_ref()
4368            .map(|project| project.read(cx).git_store().read(cx).repositories().len() == 1)
4369            .unwrap_or(true);
4370
4371        const MAX_BRANCH_LEN: usize = 16;
4372        const MAX_REPO_LEN: usize = 16;
4373        const LABEL_CHARACTER_BUDGET: usize = MAX_BRANCH_LEN + MAX_REPO_LEN;
4374        const MAX_SHORT_SHA_LEN: usize = 8;
4375
4376        let branch_name = self
4377            .branch
4378            .as_ref()
4379            .map(|branch| branch.name().to_owned())
4380            .or_else(|| {
4381                self.head_commit.as_ref().map(|commit| {
4382                    commit
4383                        .sha
4384                        .chars()
4385                        .take(MAX_SHORT_SHA_LEN)
4386                        .collect::<String>()
4387                })
4388            })
4389            .unwrap_or_else(|| " (no branch)".to_owned());
4390        let show_separator = self.branch.is_some() || self.head_commit.is_some();
4391
4392        let active_repo_name = self.active_repository.clone();
4393
4394        let branch_actual_len = branch_name.len();
4395        let repo_actual_len = active_repo_name.len();
4396
4397        // ideally, show the whole branch and repo names but
4398        // when we can't, use a budget to allocate space between the two
4399        let (repo_display_len, branch_display_len) = if branch_actual_len + repo_actual_len
4400            <= LABEL_CHARACTER_BUDGET
4401        {
4402            (repo_actual_len, branch_actual_len)
4403        } else {
4404            if branch_actual_len <= MAX_BRANCH_LEN {
4405                let repo_space = (LABEL_CHARACTER_BUDGET - branch_actual_len).min(MAX_REPO_LEN);
4406                (repo_space, branch_actual_len)
4407            } else if repo_actual_len <= MAX_REPO_LEN {
4408                let branch_space = (LABEL_CHARACTER_BUDGET - repo_actual_len).min(MAX_BRANCH_LEN);
4409                (repo_actual_len, branch_space)
4410            } else {
4411                (MAX_REPO_LEN, MAX_BRANCH_LEN)
4412            }
4413        };
4414
4415        let truncated_repo_name = if repo_actual_len <= repo_display_len {
4416            active_repo_name.to_string()
4417        } else {
4418            util::truncate_and_trailoff(active_repo_name.trim_ascii(), repo_display_len)
4419        };
4420
4421        let truncated_branch_name = if branch_actual_len <= branch_display_len {
4422            branch_name.to_string()
4423        } else {
4424            util::truncate_and_trailoff(branch_name.trim_ascii(), branch_display_len)
4425        };
4426
4427        let repo_selector_trigger = Button::new("repo-selector", truncated_repo_name)
4428            .style(ButtonStyle::Transparent)
4429            .size(ButtonSize::None)
4430            .label_size(LabelSize::Small)
4431            .color(Color::Muted);
4432
4433        let repo_selector = PopoverMenu::new("repository-switcher")
4434            .menu({
4435                let project = project.clone();
4436                move |window, cx| {
4437                    let project = project.clone()?;
4438                    Some(cx.new(|cx| RepositorySelector::new(project, rems(16.), window, cx)))
4439                }
4440            })
4441            .trigger_with_tooltip(
4442                repo_selector_trigger.disabled(single_repo).truncate(true),
4443                Tooltip::text("Switch active repository"),
4444            )
4445            .anchor(Corner::BottomLeft)
4446            .into_any_element();
4447
4448        let branch_selector_button = Button::new("branch-selector", truncated_branch_name)
4449            .style(ButtonStyle::Transparent)
4450            .size(ButtonSize::None)
4451            .label_size(LabelSize::Small)
4452            .truncate(true)
4453            .tooltip(Tooltip::for_action_title(
4454                "Switch Branch",
4455                &zed_actions::git::Switch,
4456            ))
4457            .on_click(|_, window, cx| {
4458                window.dispatch_action(zed_actions::git::Switch.boxed_clone(), cx);
4459            });
4460
4461        let branch_selector = PopoverMenu::new("popover-button")
4462            .menu(move |window, cx| Some(branch_picker::popover(repo.clone(), window, cx)))
4463            .trigger_with_tooltip(
4464                branch_selector_button,
4465                Tooltip::for_action_title("Switch Branch", &zed_actions::git::Switch),
4466            )
4467            .anchor(Corner::BottomLeft)
4468            .offset(gpui::Point {
4469                x: px(0.0),
4470                y: px(-2.0),
4471            });
4472
4473        h_flex()
4474            .w_full()
4475            .px_2()
4476            .h(px(36.))
4477            .items_center()
4478            .justify_between()
4479            .gap_1()
4480            .child(
4481                h_flex()
4482                    .flex_1()
4483                    .overflow_hidden()
4484                    .items_center()
4485                    .child(
4486                        div().child(
4487                            Icon::new(IconName::GitBranchSmall)
4488                                .size(IconSize::Small)
4489                                .color(if single_repo {
4490                                    Color::Disabled
4491                                } else {
4492                                    Color::Muted
4493                                }),
4494                        ),
4495                    )
4496                    .child(repo_selector)
4497                    .when(show_separator, |this| {
4498                        this.child(
4499                            div()
4500                                .text_color(cx.theme().colors().text_muted)
4501                                .text_sm()
4502                                .child("/"),
4503                        )
4504                    })
4505                    .child(branch_selector),
4506            )
4507            .children(if let Some(git_panel) = self.git_panel {
4508                git_panel.update(cx, |git_panel, cx| git_panel.render_remote_button(cx))
4509            } else {
4510                None
4511            })
4512    }
4513}
4514
4515impl Component for PanelRepoFooter {
4516    fn scope() -> ComponentScope {
4517        ComponentScope::VersionControl
4518    }
4519
4520    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
4521        let unknown_upstream = None;
4522        let no_remote_upstream = Some(UpstreamTracking::Gone);
4523        let ahead_of_upstream = Some(
4524            UpstreamTrackingStatus {
4525                ahead: 2,
4526                behind: 0,
4527            }
4528            .into(),
4529        );
4530        let behind_upstream = Some(
4531            UpstreamTrackingStatus {
4532                ahead: 0,
4533                behind: 2,
4534            }
4535            .into(),
4536        );
4537        let ahead_and_behind_upstream = Some(
4538            UpstreamTrackingStatus {
4539                ahead: 3,
4540                behind: 1,
4541            }
4542            .into(),
4543        );
4544
4545        let not_ahead_or_behind_upstream = Some(
4546            UpstreamTrackingStatus {
4547                ahead: 0,
4548                behind: 0,
4549            }
4550            .into(),
4551        );
4552
4553        fn branch(upstream: Option<UpstreamTracking>) -> Branch {
4554            Branch {
4555                is_head: true,
4556                ref_name: "some-branch".into(),
4557                upstream: upstream.map(|tracking| Upstream {
4558                    ref_name: "origin/some-branch".into(),
4559                    tracking,
4560                }),
4561                most_recent_commit: Some(CommitSummary {
4562                    sha: "abc123".into(),
4563                    subject: "Modify stuff".into(),
4564                    commit_timestamp: 1710932954,
4565                    has_parent: true,
4566                }),
4567            }
4568        }
4569
4570        fn custom(branch_name: &str, upstream: Option<UpstreamTracking>) -> Branch {
4571            Branch {
4572                is_head: true,
4573                ref_name: branch_name.to_string().into(),
4574                upstream: upstream.map(|tracking| Upstream {
4575                    ref_name: format!("zed/{}", branch_name).into(),
4576                    tracking,
4577                }),
4578                most_recent_commit: Some(CommitSummary {
4579                    sha: "abc123".into(),
4580                    subject: "Modify stuff".into(),
4581                    commit_timestamp: 1710932954,
4582                    has_parent: true,
4583                }),
4584            }
4585        }
4586
4587        fn active_repository(id: usize) -> SharedString {
4588            format!("repo-{}", id).into()
4589        }
4590
4591        let example_width = px(340.);
4592        Some(
4593            v_flex()
4594                .gap_6()
4595                .w_full()
4596                .flex_none()
4597                .children(vec![
4598                    example_group_with_title(
4599                        "Action Button States",
4600                        vec![
4601                            single_example(
4602                                "No Branch",
4603                                div()
4604                                    .w(example_width)
4605                                    .overflow_hidden()
4606                                    .child(PanelRepoFooter::new_preview(
4607                                        active_repository(1).clone(),
4608                                        None,
4609                                    ))
4610                                    .into_any_element(),
4611                            ),
4612                            single_example(
4613                                "Remote status unknown",
4614                                div()
4615                                    .w(example_width)
4616                                    .overflow_hidden()
4617                                    .child(PanelRepoFooter::new_preview(
4618                                        active_repository(2).clone(),
4619                                        Some(branch(unknown_upstream)),
4620                                    ))
4621                                    .into_any_element(),
4622                            ),
4623                            single_example(
4624                                "No Remote Upstream",
4625                                div()
4626                                    .w(example_width)
4627                                    .overflow_hidden()
4628                                    .child(PanelRepoFooter::new_preview(
4629                                        active_repository(3).clone(),
4630                                        Some(branch(no_remote_upstream)),
4631                                    ))
4632                                    .into_any_element(),
4633                            ),
4634                            single_example(
4635                                "Not Ahead or Behind",
4636                                div()
4637                                    .w(example_width)
4638                                    .overflow_hidden()
4639                                    .child(PanelRepoFooter::new_preview(
4640                                        active_repository(4).clone(),
4641                                        Some(branch(not_ahead_or_behind_upstream)),
4642                                    ))
4643                                    .into_any_element(),
4644                            ),
4645                            single_example(
4646                                "Behind remote",
4647                                div()
4648                                    .w(example_width)
4649                                    .overflow_hidden()
4650                                    .child(PanelRepoFooter::new_preview(
4651                                        active_repository(5).clone(),
4652                                        Some(branch(behind_upstream)),
4653                                    ))
4654                                    .into_any_element(),
4655                            ),
4656                            single_example(
4657                                "Ahead of remote",
4658                                div()
4659                                    .w(example_width)
4660                                    .overflow_hidden()
4661                                    .child(PanelRepoFooter::new_preview(
4662                                        active_repository(6).clone(),
4663                                        Some(branch(ahead_of_upstream)),
4664                                    ))
4665                                    .into_any_element(),
4666                            ),
4667                            single_example(
4668                                "Ahead and behind remote",
4669                                div()
4670                                    .w(example_width)
4671                                    .overflow_hidden()
4672                                    .child(PanelRepoFooter::new_preview(
4673                                        active_repository(7).clone(),
4674                                        Some(branch(ahead_and_behind_upstream)),
4675                                    ))
4676                                    .into_any_element(),
4677                            ),
4678                        ],
4679                    )
4680                    .grow()
4681                    .vertical(),
4682                ])
4683                .children(vec![
4684                    example_group_with_title(
4685                        "Labels",
4686                        vec![
4687                            single_example(
4688                                "Short Branch & Repo",
4689                                div()
4690                                    .w(example_width)
4691                                    .overflow_hidden()
4692                                    .child(PanelRepoFooter::new_preview(
4693                                        SharedString::from("zed"),
4694                                        Some(custom("main", behind_upstream)),
4695                                    ))
4696                                    .into_any_element(),
4697                            ),
4698                            single_example(
4699                                "Long Branch",
4700                                div()
4701                                    .w(example_width)
4702                                    .overflow_hidden()
4703                                    .child(PanelRepoFooter::new_preview(
4704                                        SharedString::from("zed"),
4705                                        Some(custom(
4706                                            "redesign-and-update-git-ui-list-entry-style",
4707                                            behind_upstream,
4708                                        )),
4709                                    ))
4710                                    .into_any_element(),
4711                            ),
4712                            single_example(
4713                                "Long Repo",
4714                                div()
4715                                    .w(example_width)
4716                                    .overflow_hidden()
4717                                    .child(PanelRepoFooter::new_preview(
4718                                        SharedString::from("zed-industries-community-examples"),
4719                                        Some(custom("gpui", ahead_of_upstream)),
4720                                    ))
4721                                    .into_any_element(),
4722                            ),
4723                            single_example(
4724                                "Long Repo & Branch",
4725                                div()
4726                                    .w(example_width)
4727                                    .overflow_hidden()
4728                                    .child(PanelRepoFooter::new_preview(
4729                                        SharedString::from("zed-industries-community-examples"),
4730                                        Some(custom(
4731                                            "redesign-and-update-git-ui-list-entry-style",
4732                                            behind_upstream,
4733                                        )),
4734                                    ))
4735                                    .into_any_element(),
4736                            ),
4737                            single_example(
4738                                "Uppercase Repo",
4739                                div()
4740                                    .w(example_width)
4741                                    .overflow_hidden()
4742                                    .child(PanelRepoFooter::new_preview(
4743                                        SharedString::from("LICENSES"),
4744                                        Some(custom("main", ahead_of_upstream)),
4745                                    ))
4746                                    .into_any_element(),
4747                            ),
4748                            single_example(
4749                                "Uppercase Branch",
4750                                div()
4751                                    .w(example_width)
4752                                    .overflow_hidden()
4753                                    .child(PanelRepoFooter::new_preview(
4754                                        SharedString::from("zed"),
4755                                        Some(custom("update-README", behind_upstream)),
4756                                    ))
4757                                    .into_any_element(),
4758                            ),
4759                        ],
4760                    )
4761                    .grow()
4762                    .vertical(),
4763                ])
4764                .into_any_element(),
4765        )
4766    }
4767}
4768
4769#[cfg(test)]
4770mod tests {
4771    use git::status::StatusCode;
4772    use gpui::TestAppContext;
4773    use project::{FakeFs, WorktreeSettings};
4774    use serde_json::json;
4775    use settings::SettingsStore;
4776    use theme::LoadThemes;
4777    use util::path;
4778
4779    use super::*;
4780
4781    fn init_test(cx: &mut gpui::TestAppContext) {
4782        zlog::init_test();
4783
4784        cx.update(|cx| {
4785            let settings_store = SettingsStore::test(cx);
4786            cx.set_global(settings_store);
4787            AssistantSettings::register(cx);
4788            WorktreeSettings::register(cx);
4789            workspace::init_settings(cx);
4790            theme::init(LoadThemes::JustBase, cx);
4791            language::init(cx);
4792            editor::init(cx);
4793            Project::init_settings(cx);
4794            crate::init(cx);
4795        });
4796    }
4797
4798    #[gpui::test]
4799    async fn test_entry_worktree_paths(cx: &mut TestAppContext) {
4800        init_test(cx);
4801        let fs = FakeFs::new(cx.background_executor.clone());
4802        fs.insert_tree(
4803            "/root",
4804            json!({
4805                "zed": {
4806                    ".git": {},
4807                    "crates": {
4808                        "gpui": {
4809                            "gpui.rs": "fn main() {}"
4810                        },
4811                        "util": {
4812                            "util.rs": "fn do_it() {}"
4813                        }
4814                    }
4815                },
4816            }),
4817        )
4818        .await;
4819
4820        fs.set_status_for_repo(
4821            Path::new(path!("/root/zed/.git")),
4822            &[
4823                (
4824                    Path::new("crates/gpui/gpui.rs"),
4825                    StatusCode::Modified.worktree(),
4826                ),
4827                (
4828                    Path::new("crates/util/util.rs"),
4829                    StatusCode::Modified.worktree(),
4830                ),
4831            ],
4832        );
4833
4834        let project =
4835            Project::test(fs.clone(), [path!("/root/zed/crates/gpui").as_ref()], cx).await;
4836        let (workspace, cx) =
4837            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4838
4839        cx.read(|cx| {
4840            project
4841                .read(cx)
4842                .worktrees(cx)
4843                .nth(0)
4844                .unwrap()
4845                .read(cx)
4846                .as_local()
4847                .unwrap()
4848                .scan_complete()
4849        })
4850        .await;
4851
4852        cx.executor().run_until_parked();
4853
4854        let app_state = workspace.read_with(cx, |workspace, _| workspace.app_state().clone());
4855        let panel = cx.new_window_entity(|window, cx| {
4856            GitPanel::new(workspace.clone(), project.clone(), app_state, window, cx)
4857        });
4858
4859        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4860            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4861        });
4862        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4863        handle.await;
4864
4865        let entries = panel.read_with(cx, |panel, _| panel.entries.clone());
4866        pretty_assertions::assert_eq!(
4867            entries,
4868            [
4869                GitListEntry::Header(GitHeaderEntry {
4870                    header: Section::Tracked
4871                }),
4872                GitListEntry::GitStatusEntry(GitStatusEntry {
4873                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4874                    repo_path: "crates/gpui/gpui.rs".into(),
4875                    status: StatusCode::Modified.worktree(),
4876                    staging: StageStatus::Unstaged,
4877                }),
4878                GitListEntry::GitStatusEntry(GitStatusEntry {
4879                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4880                    repo_path: "crates/util/util.rs".into(),
4881                    status: StatusCode::Modified.worktree(),
4882                    staging: StageStatus::Unstaged,
4883                },),
4884            ],
4885        );
4886
4887        // TODO(cole) restore this once repository deduplication is implemented properly.
4888        //cx.update_window_entity(&panel, |panel, window, cx| {
4889        //    panel.select_last(&Default::default(), window, cx);
4890        //    assert_eq!(panel.selected_entry, Some(2));
4891        //    panel.open_diff(&Default::default(), window, cx);
4892        //});
4893        //cx.run_until_parked();
4894
4895        //let worktree_roots = workspace.update(cx, |workspace, cx| {
4896        //    workspace
4897        //        .worktrees(cx)
4898        //        .map(|worktree| worktree.read(cx).abs_path())
4899        //        .collect::<Vec<_>>()
4900        //});
4901        //pretty_assertions::assert_eq!(
4902        //    worktree_roots,
4903        //    vec![
4904        //        Path::new(path!("/root/zed/crates/gpui")).into(),
4905        //        Path::new(path!("/root/zed/crates/util/util.rs")).into(),
4906        //    ]
4907        //);
4908
4909        //project.update(cx, |project, cx| {
4910        //    let git_store = project.git_store().read(cx);
4911        //    // The repo that comes from the single-file worktree can't be selected through the UI.
4912        //    let filtered_entries = filtered_repository_entries(git_store, cx)
4913        //        .iter()
4914        //        .map(|repo| repo.read(cx).worktree_abs_path.clone())
4915        //        .collect::<Vec<_>>();
4916        //    assert_eq!(
4917        //        filtered_entries,
4918        //        [Path::new(path!("/root/zed/crates/gpui")).into()]
4919        //    );
4920        //    // But we can select it artificially here.
4921        //    let repo_from_single_file_worktree = git_store
4922        //        .repositories()
4923        //        .values()
4924        //        .find(|repo| {
4925        //            repo.read(cx).worktree_abs_path.as_ref()
4926        //                == Path::new(path!("/root/zed/crates/util/util.rs"))
4927        //        })
4928        //        .unwrap()
4929        //        .clone();
4930
4931        //    // Paths still make sense when we somehow activate a repo that comes from a single-file worktree.
4932        //    repo_from_single_file_worktree.update(cx, |repo, cx| repo.set_as_active_repository(cx));
4933        //});
4934
4935        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4936            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4937        });
4938        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4939        handle.await;
4940        let entries = panel.read_with(cx, |panel, _| panel.entries.clone());
4941        pretty_assertions::assert_eq!(
4942            entries,
4943            [
4944                GitListEntry::Header(GitHeaderEntry {
4945                    header: Section::Tracked
4946                }),
4947                GitListEntry::GitStatusEntry(GitStatusEntry {
4948                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4949                    repo_path: "crates/gpui/gpui.rs".into(),
4950                    status: StatusCode::Modified.worktree(),
4951                    staging: StageStatus::Unstaged,
4952                }),
4953                GitListEntry::GitStatusEntry(GitStatusEntry {
4954                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4955                    repo_path: "crates/util/util.rs".into(),
4956                    status: StatusCode::Modified.worktree(),
4957                    staging: StageStatus::Unstaged,
4958                },),
4959            ],
4960        );
4961    }
4962}