1use crate::askpass_modal::AskPassModal;
   2use crate::commit_modal::CommitModal;
   3use crate::commit_tooltip::CommitTooltip;
   4use crate::commit_view::CommitView;
   5use crate::git_panel_settings::StatusStyle;
   6use crate::project_diff::{self, Diff, ProjectDiff};
   7use crate::remote_output::{self, RemoteAction, SuccessMessage};
   8use crate::{branch_picker, picker_prompt, render_remote_button};
   9use crate::{
  10    git_panel_settings::GitPanelSettings, git_status_icon, repository_selector::RepositorySelector,
  11};
  12use anyhow::Result;
  13use askpass::AskPassDelegate;
  14use assistant_settings::AssistantSettings;
  15use db::kvp::KEY_VALUE_STORE;
  16
  17use editor::{
  18    Editor, EditorElement, EditorMode, EditorSettings, MultiBuffer, ShowScrollbar,
  19    scroll::ScrollbarAutoHide,
  20};
  21use futures::StreamExt as _;
  22use git::blame::ParsedCommitMessage;
  23use git::repository::{
  24    Branch, CommitDetails, CommitOptions, CommitSummary, DiffType, PushOptions, Remote,
  25    RemoteCommandOutput, ResetMode, Upstream, UpstreamTracking, UpstreamTrackingStatus,
  26};
  27use git::status::StageStatus;
  28use git::{Amend, ToggleStaged, repository::RepoPath, status::FileStatus};
  29use git::{ExpandCommitEditor, RestoreTrackedFiles, StageAll, TrashUntrackedFiles, UnstageAll};
  30use gpui::{
  31    Action, Animation, AnimationExt as _, Axis, ClickEvent, Corner, DismissEvent, Entity,
  32    EventEmitter, FocusHandle, Focusable, KeyContext, ListHorizontalSizingBehavior,
  33    ListSizingBehavior, Modifiers, ModifiersChangedEvent, MouseButton, MouseDownEvent, Point,
  34    PromptLevel, ScrollStrategy, Subscription, Task, Transformation, UniformListScrollHandle,
  35    WeakEntity, actions, anchored, deferred, percentage, uniform_list,
  36};
  37use itertools::Itertools;
  38use language::{Buffer, File};
  39use language_model::{
  40    ConfiguredModel, LanguageModel, LanguageModelRegistry, LanguageModelRequest,
  41    LanguageModelRequestMessage, Role,
  42};
  43use menu::{Confirm, SecondaryConfirm, SelectFirst, SelectLast, SelectNext, SelectPrevious};
  44use multi_buffer::ExcerptInfo;
  45use panel::{
  46    PanelHeader, panel_button, panel_editor_container, panel_editor_style, panel_filled_button,
  47    panel_icon_button,
  48};
  49use project::git_store::RepositoryEvent;
  50use project::{
  51    Fs, Project, ProjectPath,
  52    git_store::{GitStoreEvent, Repository},
  53};
  54use serde::{Deserialize, Serialize};
  55use settings::{Settings as _, SettingsStore};
  56use std::future::Future;
  57use std::path::{Path, PathBuf};
  58use std::{collections::HashSet, sync::Arc, time::Duration, usize};
  59use strum::{IntoEnumIterator, VariantNames};
  60use time::OffsetDateTime;
  61use ui::{
  62    Checkbox, ContextMenu, ElevationIndex, PopoverMenu, Scrollbar, ScrollbarState, SplitButton,
  63    Tooltip, prelude::*,
  64};
  65use util::{ResultExt, TryFutureExt, maybe};
  66use workspace::AppState;
  67
  68use notifications::status_toast::{StatusToast, ToastIcon};
  69use workspace::{
  70    Workspace,
  71    dock::{DockPosition, Panel, PanelEvent},
  72    notifications::DetachAndPromptErr,
  73};
  74
  75actions!(
  76    git_panel,
  77    [
  78        Close,
  79        ToggleFocus,
  80        OpenMenu,
  81        FocusEditor,
  82        FocusChanges,
  83        ToggleFillCoAuthors,
  84        GenerateCommitMessage
  85    ]
  86);
  87
  88fn prompt<T>(
  89    msg: &str,
  90    detail: Option<&str>,
  91    window: &mut Window,
  92    cx: &mut App,
  93) -> Task<anyhow::Result<T>>
  94where
  95    T: IntoEnumIterator + VariantNames + 'static,
  96{
  97    let rx = window.prompt(PromptLevel::Info, msg, detail, &T::VARIANTS, cx);
  98    cx.spawn(async move |_| Ok(T::iter().nth(rx.await?).unwrap()))
  99}
 100
 101#[derive(strum::EnumIter, strum::VariantNames)]
 102#[strum(serialize_all = "title_case")]
 103enum TrashCancel {
 104    Trash,
 105    Cancel,
 106}
 107
 108struct GitMenuState {
 109    has_tracked_changes: bool,
 110    has_staged_changes: bool,
 111    has_unstaged_changes: bool,
 112    has_new_changes: bool,
 113}
 114
 115fn git_panel_context_menu(
 116    focus_handle: FocusHandle,
 117    state: GitMenuState,
 118    window: &mut Window,
 119    cx: &mut App,
 120) -> Entity<ContextMenu> {
 121    ContextMenu::build(window, cx, move |context_menu, _, _| {
 122        context_menu
 123            .context(focus_handle)
 124            .map(|menu| {
 125                if state.has_unstaged_changes {
 126                    menu.action("Stage All", StageAll.boxed_clone())
 127                } else {
 128                    menu.disabled_action("Stage All", StageAll.boxed_clone())
 129                }
 130            })
 131            .map(|menu| {
 132                if state.has_staged_changes {
 133                    menu.action("Unstage All", UnstageAll.boxed_clone())
 134                } else {
 135                    menu.disabled_action("Unstage All", UnstageAll.boxed_clone())
 136                }
 137            })
 138            .separator()
 139            .action("Open Diff", project_diff::Diff.boxed_clone())
 140            .separator()
 141            .map(|menu| {
 142                if state.has_tracked_changes {
 143                    menu.action("Discard Tracked Changes", RestoreTrackedFiles.boxed_clone())
 144                } else {
 145                    menu.disabled_action(
 146                        "Discard Tracked Changes",
 147                        RestoreTrackedFiles.boxed_clone(),
 148                    )
 149                }
 150            })
 151            .map(|menu| {
 152                if state.has_new_changes {
 153                    menu.action("Trash Untracked Files", TrashUntrackedFiles.boxed_clone())
 154                } else {
 155                    menu.disabled_action("Trash Untracked Files", TrashUntrackedFiles.boxed_clone())
 156                }
 157            })
 158    })
 159}
 160
 161const GIT_PANEL_KEY: &str = "GitPanel";
 162
 163const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
 164
 165pub fn register(workspace: &mut Workspace) {
 166    workspace.register_action(|workspace, _: &ToggleFocus, window, cx| {
 167        workspace.toggle_panel_focus::<GitPanel>(window, cx);
 168    });
 169    workspace.register_action(|workspace, _: &ExpandCommitEditor, window, cx| {
 170        CommitModal::toggle(workspace, None, window, cx)
 171    });
 172}
 173
 174#[derive(Debug, Clone)]
 175pub enum Event {
 176    Focus,
 177}
 178
 179#[derive(Serialize, Deserialize)]
 180struct SerializedGitPanel {
 181    width: Option<Pixels>,
 182}
 183
 184#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 185enum Section {
 186    Conflict,
 187    Tracked,
 188    New,
 189}
 190
 191#[derive(Debug, PartialEq, Eq, Clone)]
 192struct GitHeaderEntry {
 193    header: Section,
 194}
 195
 196impl GitHeaderEntry {
 197    pub fn contains(&self, status_entry: &GitStatusEntry, repo: &Repository) -> bool {
 198        let this = &self.header;
 199        let status = status_entry.status;
 200        match this {
 201            Section::Conflict => repo.has_conflict(&status_entry.repo_path),
 202            Section::Tracked => !status.is_created(),
 203            Section::New => status.is_created(),
 204        }
 205    }
 206    pub fn title(&self) -> &'static str {
 207        match self.header {
 208            Section::Conflict => "Conflicts",
 209            Section::Tracked => "Tracked",
 210            Section::New => "Untracked",
 211        }
 212    }
 213}
 214
 215#[derive(Debug, PartialEq, Eq, Clone)]
 216enum GitListEntry {
 217    GitStatusEntry(GitStatusEntry),
 218    Header(GitHeaderEntry),
 219}
 220
 221impl GitListEntry {
 222    fn status_entry(&self) -> Option<&GitStatusEntry> {
 223        match self {
 224            GitListEntry::GitStatusEntry(entry) => Some(entry),
 225            _ => None,
 226        }
 227    }
 228}
 229
 230#[derive(Debug, PartialEq, Eq, Clone)]
 231pub struct GitStatusEntry {
 232    pub(crate) repo_path: RepoPath,
 233    pub(crate) abs_path: PathBuf,
 234    pub(crate) status: FileStatus,
 235    pub(crate) staging: StageStatus,
 236}
 237
 238impl GitStatusEntry {
 239    fn display_name(&self) -> String {
 240        self.repo_path
 241            .file_name()
 242            .map(|name| name.to_string_lossy().into_owned())
 243            .unwrap_or_else(|| self.repo_path.to_string_lossy().into_owned())
 244    }
 245
 246    fn parent_dir(&self) -> Option<String> {
 247        self.repo_path
 248            .parent()
 249            .map(|parent| parent.to_string_lossy().into_owned())
 250    }
 251}
 252
 253#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 254enum TargetStatus {
 255    Staged,
 256    Unstaged,
 257    Reverted,
 258    Unchanged,
 259}
 260
 261struct PendingOperation {
 262    finished: bool,
 263    target_status: TargetStatus,
 264    entries: Vec<GitStatusEntry>,
 265    op_id: usize,
 266}
 267
 268// computed state related to how to render scrollbars
 269// one per axis
 270// on render we just read this off the panel
 271// we update it when
 272// - settings change
 273// - on focus in, on focus out, on hover, etc.
 274#[derive(Debug)]
 275struct ScrollbarProperties {
 276    axis: Axis,
 277    show_scrollbar: bool,
 278    show_track: bool,
 279    auto_hide: bool,
 280    hide_task: Option<Task<()>>,
 281    state: ScrollbarState,
 282}
 283
 284impl ScrollbarProperties {
 285    // Shows the scrollbar and cancels any pending hide task
 286    fn show(&mut self, cx: &mut Context<GitPanel>) {
 287        if !self.auto_hide {
 288            return;
 289        }
 290        self.show_scrollbar = true;
 291        self.hide_task.take();
 292        cx.notify();
 293    }
 294
 295    fn hide(&mut self, window: &mut Window, cx: &mut Context<GitPanel>) {
 296        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
 297
 298        if !self.auto_hide {
 299            return;
 300        }
 301
 302        let axis = self.axis;
 303        self.hide_task = Some(cx.spawn_in(window, async move |panel, cx| {
 304            cx.background_executor()
 305                .timer(SCROLLBAR_SHOW_INTERVAL)
 306                .await;
 307
 308            if let Some(panel) = panel.upgrade() {
 309                panel
 310                    .update(cx, |panel, cx| {
 311                        match axis {
 312                            Axis::Vertical => panel.vertical_scrollbar.show_scrollbar = false,
 313                            Axis::Horizontal => panel.horizontal_scrollbar.show_scrollbar = false,
 314                        }
 315                        cx.notify();
 316                    })
 317                    .log_err();
 318            }
 319        }));
 320    }
 321}
 322
 323pub struct GitPanel {
 324    pub(crate) active_repository: Option<Entity<Repository>>,
 325    pub(crate) commit_editor: Entity<Editor>,
 326    conflicted_count: usize,
 327    conflicted_staged_count: usize,
 328    current_modifiers: Modifiers,
 329    add_coauthors: bool,
 330    generate_commit_message_task: Option<Task<Option<()>>>,
 331    entries: Vec<GitListEntry>,
 332    single_staged_entry: Option<GitStatusEntry>,
 333    single_tracked_entry: Option<GitStatusEntry>,
 334    focus_handle: FocusHandle,
 335    fs: Arc<dyn Fs>,
 336    horizontal_scrollbar: ScrollbarProperties,
 337    vertical_scrollbar: ScrollbarProperties,
 338    new_count: usize,
 339    entry_count: usize,
 340    new_staged_count: usize,
 341    pending: Vec<PendingOperation>,
 342    pending_commit: Option<Task<()>>,
 343    amend_pending: bool,
 344    pending_serialization: Task<Option<()>>,
 345    pub(crate) project: Entity<Project>,
 346    scroll_handle: UniformListScrollHandle,
 347    max_width_item_index: Option<usize>,
 348    selected_entry: Option<usize>,
 349    marked_entries: Vec<usize>,
 350    tracked_count: usize,
 351    tracked_staged_count: usize,
 352    update_visible_entries_task: Task<()>,
 353    width: Option<Pixels>,
 354    workspace: WeakEntity<Workspace>,
 355    context_menu: Option<(Entity<ContextMenu>, Point<Pixels>, Subscription)>,
 356    modal_open: bool,
 357    _settings_subscription: Subscription,
 358}
 359
 360const MAX_PANEL_EDITOR_LINES: usize = 6;
 361
 362pub(crate) fn commit_message_editor(
 363    commit_message_buffer: Entity<Buffer>,
 364    placeholder: Option<SharedString>,
 365    project: Entity<Project>,
 366    in_panel: bool,
 367    window: &mut Window,
 368    cx: &mut Context<Editor>,
 369) -> Editor {
 370    let buffer = cx.new(|cx| MultiBuffer::singleton(commit_message_buffer, cx));
 371    let max_lines = if in_panel { MAX_PANEL_EDITOR_LINES } else { 18 };
 372    let mut commit_editor = Editor::new(
 373        EditorMode::AutoHeight { max_lines },
 374        buffer,
 375        None,
 376        window,
 377        cx,
 378    );
 379    commit_editor.set_collaboration_hub(Box::new(project));
 380    commit_editor.set_use_autoclose(false);
 381    commit_editor.set_show_gutter(false, cx);
 382    commit_editor.set_show_wrap_guides(false, cx);
 383    commit_editor.set_show_indent_guides(false, cx);
 384    commit_editor.set_hard_wrap(Some(72), cx);
 385    let placeholder = placeholder.unwrap_or("Enter commit message".into());
 386    commit_editor.set_placeholder_text(placeholder, cx);
 387    commit_editor
 388}
 389
 390impl GitPanel {
 391    pub fn new(
 392        workspace: Entity<Workspace>,
 393        project: Entity<Project>,
 394        app_state: Arc<AppState>,
 395        window: &mut Window,
 396        cx: &mut Context<Self>,
 397    ) -> Self {
 398        let fs = app_state.fs.clone();
 399        let git_store = project.read(cx).git_store().clone();
 400        let active_repository = project.read(cx).active_repository(cx);
 401        let workspace = workspace.downgrade();
 402
 403        let focus_handle = cx.focus_handle();
 404        cx.on_focus(&focus_handle, window, Self::focus_in).detach();
 405        cx.on_focus_out(&focus_handle, window, |this, _, window, cx| {
 406            this.hide_scrollbars(window, cx);
 407        })
 408        .detach();
 409
 410        // just to let us render a placeholder editor.
 411        // Once the active git repo is set, this buffer will be replaced.
 412        let temporary_buffer = cx.new(|cx| Buffer::local("", cx));
 413        let commit_editor = cx.new(|cx| {
 414            commit_message_editor(temporary_buffer, None, project.clone(), true, window, cx)
 415        });
 416
 417        commit_editor.update(cx, |editor, cx| {
 418            editor.clear(window, cx);
 419        });
 420
 421        let scroll_handle = UniformListScrollHandle::new();
 422
 423        cx.subscribe_in(
 424            &git_store,
 425            window,
 426            move |this, git_store, event, window, cx| match event {
 427                GitStoreEvent::ActiveRepositoryChanged(_) => {
 428                    this.active_repository = git_store.read(cx).active_repository();
 429                    this.schedule_update(true, window, cx);
 430                }
 431                GitStoreEvent::RepositoryUpdated(
 432                    _,
 433                    RepositoryEvent::Updated { full_scan },
 434                    true,
 435                ) => {
 436                    this.schedule_update(*full_scan, window, cx);
 437                }
 438
 439                GitStoreEvent::RepositoryAdded(_) | GitStoreEvent::RepositoryRemoved(_) => {
 440                    this.schedule_update(false, window, cx);
 441                }
 442                GitStoreEvent::IndexWriteError(error) => {
 443                    this.workspace
 444                        .update(cx, |workspace, cx| {
 445                            workspace.show_error(error, cx);
 446                        })
 447                        .ok();
 448                }
 449                GitStoreEvent::RepositoryUpdated(_, _, _) => {}
 450                GitStoreEvent::JobsUpdated => {}
 451            },
 452        )
 453        .detach();
 454
 455        let vertical_scrollbar = ScrollbarProperties {
 456            axis: Axis::Vertical,
 457            state: ScrollbarState::new(scroll_handle.clone()).parent_entity(&cx.entity()),
 458            show_scrollbar: false,
 459            show_track: false,
 460            auto_hide: false,
 461            hide_task: None,
 462        };
 463
 464        let horizontal_scrollbar = ScrollbarProperties {
 465            axis: Axis::Horizontal,
 466            state: ScrollbarState::new(scroll_handle.clone()).parent_entity(&cx.entity()),
 467            show_scrollbar: false,
 468            show_track: false,
 469            auto_hide: false,
 470            hide_task: None,
 471        };
 472
 473        let mut assistant_enabled = AssistantSettings::get_global(cx).enabled;
 474        let _settings_subscription = cx.observe_global::<SettingsStore>(move |_, cx| {
 475            if assistant_enabled != AssistantSettings::get_global(cx).enabled {
 476                assistant_enabled = AssistantSettings::get_global(cx).enabled;
 477                cx.notify();
 478            }
 479        });
 480
 481        let mut git_panel = Self {
 482            active_repository,
 483            commit_editor,
 484            conflicted_count: 0,
 485            conflicted_staged_count: 0,
 486            current_modifiers: window.modifiers(),
 487            add_coauthors: true,
 488            generate_commit_message_task: None,
 489            entries: Vec::new(),
 490            focus_handle: cx.focus_handle(),
 491            fs,
 492            new_count: 0,
 493            new_staged_count: 0,
 494            pending: Vec::new(),
 495            pending_commit: None,
 496            amend_pending: false,
 497            pending_serialization: Task::ready(None),
 498            single_staged_entry: None,
 499            single_tracked_entry: None,
 500            project,
 501            scroll_handle,
 502            max_width_item_index: None,
 503            selected_entry: None,
 504            marked_entries: Vec::new(),
 505            tracked_count: 0,
 506            tracked_staged_count: 0,
 507            update_visible_entries_task: Task::ready(()),
 508            width: None,
 509            context_menu: None,
 510            workspace,
 511            modal_open: false,
 512            entry_count: 0,
 513            horizontal_scrollbar,
 514            vertical_scrollbar,
 515            _settings_subscription,
 516        };
 517        git_panel.schedule_update(false, window, cx);
 518        git_panel
 519    }
 520
 521    fn hide_scrollbars(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 522        self.horizontal_scrollbar.hide(window, cx);
 523        self.vertical_scrollbar.hide(window, cx);
 524    }
 525
 526    fn update_scrollbar_properties(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
 527        // TODO: This PR should have defined Editor's `scrollbar.axis`
 528        // as an Option<ScrollbarAxis>, not a ScrollbarAxes as it would allow you to
 529        // `.unwrap_or(EditorSettings::get_global(cx).scrollbar.show)`.
 530        //
 531        // Once this is fixed we can extend the GitPanelSettings with a `scrollbar.axis`
 532        // so we can show each axis based on the settings.
 533        //
 534        // We should fix this. PR: https://github.com/zed-industries/zed/pull/19495
 535
 536        let show_setting = GitPanelSettings::get_global(cx)
 537            .scrollbar
 538            .show
 539            .unwrap_or(EditorSettings::get_global(cx).scrollbar.show);
 540
 541        let scroll_handle = self.scroll_handle.0.borrow();
 542
 543        let autohide = |show: ShowScrollbar, cx: &mut Context<Self>| match show {
 544            ShowScrollbar::Auto => true,
 545            ShowScrollbar::System => cx
 546                .try_global::<ScrollbarAutoHide>()
 547                .map_or_else(|| cx.should_auto_hide_scrollbars(), |autohide| autohide.0),
 548            ShowScrollbar::Always => false,
 549            ShowScrollbar::Never => false,
 550        };
 551
 552        let longest_item_width = scroll_handle.last_item_size.and_then(|size| {
 553            (size.contents.width > size.item.width).then_some(size.contents.width)
 554        });
 555
 556        // is there an item long enough that we should show a horizontal scrollbar?
 557        let item_wider_than_container = if let Some(longest_item_width) = longest_item_width {
 558            longest_item_width > px(scroll_handle.base_handle.bounds().size.width.0)
 559        } else {
 560            true
 561        };
 562
 563        let show_horizontal = match (show_setting, item_wider_than_container) {
 564            (_, false) => false,
 565            (ShowScrollbar::Auto | ShowScrollbar::System | ShowScrollbar::Always, true) => true,
 566            (ShowScrollbar::Never, true) => false,
 567        };
 568
 569        let show_vertical = match show_setting {
 570            ShowScrollbar::Auto | ShowScrollbar::System | ShowScrollbar::Always => true,
 571            ShowScrollbar::Never => false,
 572        };
 573
 574        let show_horizontal_track =
 575            show_horizontal && matches!(show_setting, ShowScrollbar::Always);
 576
 577        // TODO: we probably should hide the scroll track when the list doesn't need to scroll
 578        let show_vertical_track = show_vertical && matches!(show_setting, ShowScrollbar::Always);
 579
 580        self.vertical_scrollbar = ScrollbarProperties {
 581            axis: self.vertical_scrollbar.axis,
 582            state: self.vertical_scrollbar.state.clone(),
 583            show_scrollbar: show_vertical,
 584            show_track: show_vertical_track,
 585            auto_hide: autohide(show_setting, cx),
 586            hide_task: None,
 587        };
 588
 589        self.horizontal_scrollbar = ScrollbarProperties {
 590            axis: self.horizontal_scrollbar.axis,
 591            state: self.horizontal_scrollbar.state.clone(),
 592            show_scrollbar: show_horizontal,
 593            show_track: show_horizontal_track,
 594            auto_hide: autohide(show_setting, cx),
 595            hide_task: None,
 596        };
 597
 598        cx.notify();
 599    }
 600
 601    pub fn entry_by_path(&self, path: &RepoPath) -> Option<usize> {
 602        fn binary_search<F>(mut low: usize, mut high: usize, is_target: F) -> Option<usize>
 603        where
 604            F: Fn(usize) -> std::cmp::Ordering,
 605        {
 606            while low < high {
 607                let mid = low + (high - low) / 2;
 608                match is_target(mid) {
 609                    std::cmp::Ordering::Equal => return Some(mid),
 610                    std::cmp::Ordering::Less => low = mid + 1,
 611                    std::cmp::Ordering::Greater => high = mid,
 612                }
 613            }
 614            None
 615        }
 616        if self.conflicted_count > 0 {
 617            let conflicted_start = 1;
 618            if let Some(ix) = binary_search(
 619                conflicted_start,
 620                conflicted_start + self.conflicted_count,
 621                |ix| {
 622                    self.entries[ix]
 623                        .status_entry()
 624                        .unwrap()
 625                        .repo_path
 626                        .cmp(&path)
 627                },
 628            ) {
 629                return Some(ix);
 630            }
 631        }
 632        if self.tracked_count > 0 {
 633            let tracked_start = if self.conflicted_count > 0 {
 634                1 + self.conflicted_count
 635            } else {
 636                0
 637            } + 1;
 638            if let Some(ix) =
 639                binary_search(tracked_start, tracked_start + self.tracked_count, |ix| {
 640                    self.entries[ix]
 641                        .status_entry()
 642                        .unwrap()
 643                        .repo_path
 644                        .cmp(&path)
 645                })
 646            {
 647                return Some(ix);
 648            }
 649        }
 650        if self.new_count > 0 {
 651            let untracked_start = if self.conflicted_count > 0 {
 652                1 + self.conflicted_count
 653            } else {
 654                0
 655            } + if self.tracked_count > 0 {
 656                1 + self.tracked_count
 657            } else {
 658                0
 659            } + 1;
 660            if let Some(ix) =
 661                binary_search(untracked_start, untracked_start + self.new_count, |ix| {
 662                    self.entries[ix]
 663                        .status_entry()
 664                        .unwrap()
 665                        .repo_path
 666                        .cmp(&path)
 667                })
 668            {
 669                return Some(ix);
 670            }
 671        }
 672        None
 673    }
 674
 675    pub fn select_entry_by_path(
 676        &mut self,
 677        path: ProjectPath,
 678        _: &mut Window,
 679        cx: &mut Context<Self>,
 680    ) {
 681        let Some(git_repo) = self.active_repository.as_ref() else {
 682            return;
 683        };
 684        let Some(repo_path) = git_repo.read(cx).project_path_to_repo_path(&path, cx) else {
 685            return;
 686        };
 687        let Some(ix) = self.entry_by_path(&repo_path) else {
 688            return;
 689        };
 690        self.selected_entry = Some(ix);
 691        cx.notify();
 692    }
 693
 694    fn serialize(&mut self, cx: &mut Context<Self>) {
 695        let width = self.width;
 696        self.pending_serialization = cx.background_spawn(
 697            async move {
 698                KEY_VALUE_STORE
 699                    .write_kvp(
 700                        GIT_PANEL_KEY.into(),
 701                        serde_json::to_string(&SerializedGitPanel { width })?,
 702                    )
 703                    .await?;
 704                anyhow::Ok(())
 705            }
 706            .log_err(),
 707        );
 708    }
 709
 710    pub(crate) fn set_modal_open(&mut self, open: bool, cx: &mut Context<Self>) {
 711        self.modal_open = open;
 712        cx.notify();
 713    }
 714
 715    fn dispatch_context(&self, window: &mut Window, cx: &Context<Self>) -> KeyContext {
 716        let mut dispatch_context = KeyContext::new_with_defaults();
 717        dispatch_context.add("GitPanel");
 718
 719        if window
 720            .focused(cx)
 721            .map_or(false, |focused| self.focus_handle == focused)
 722        {
 723            dispatch_context.add("menu");
 724            dispatch_context.add("ChangesList");
 725        }
 726
 727        if self.commit_editor.read(cx).is_focused(window) {
 728            dispatch_context.add("CommitEditor");
 729        }
 730
 731        dispatch_context
 732    }
 733
 734    fn close_panel(&mut self, _: &Close, _window: &mut Window, cx: &mut Context<Self>) {
 735        cx.emit(PanelEvent::Close);
 736    }
 737
 738    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 739        if !self.focus_handle.contains_focused(window, cx) {
 740            cx.emit(Event::Focus);
 741        }
 742    }
 743
 744    fn handle_modifiers_changed(
 745        &mut self,
 746        event: &ModifiersChangedEvent,
 747        _: &mut Window,
 748        cx: &mut Context<Self>,
 749    ) {
 750        self.current_modifiers = event.modifiers;
 751        cx.notify();
 752    }
 753
 754    fn scroll_to_selected_entry(&mut self, cx: &mut Context<Self>) {
 755        if let Some(selected_entry) = self.selected_entry {
 756            self.scroll_handle
 757                .scroll_to_item(selected_entry, ScrollStrategy::Center);
 758        }
 759
 760        cx.notify();
 761    }
 762
 763    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
 764        if !self.entries.is_empty() {
 765            self.selected_entry = Some(1);
 766            self.scroll_to_selected_entry(cx);
 767        }
 768    }
 769
 770    fn select_previous(
 771        &mut self,
 772        _: &SelectPrevious,
 773        _window: &mut Window,
 774        cx: &mut Context<Self>,
 775    ) {
 776        let item_count = self.entries.len();
 777        if item_count == 0 {
 778            return;
 779        }
 780
 781        if let Some(selected_entry) = self.selected_entry {
 782            let new_selected_entry = if selected_entry > 0 {
 783                selected_entry - 1
 784            } else {
 785                selected_entry
 786            };
 787
 788            if matches!(
 789                self.entries.get(new_selected_entry),
 790                Some(GitListEntry::Header(..))
 791            ) {
 792                if new_selected_entry > 0 {
 793                    self.selected_entry = Some(new_selected_entry - 1)
 794                }
 795            } else {
 796                self.selected_entry = Some(new_selected_entry);
 797            }
 798
 799            self.scroll_to_selected_entry(cx);
 800        }
 801
 802        cx.notify();
 803    }
 804
 805    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
 806        let item_count = self.entries.len();
 807        if item_count == 0 {
 808            return;
 809        }
 810
 811        if let Some(selected_entry) = self.selected_entry {
 812            let new_selected_entry = if selected_entry < item_count - 1 {
 813                selected_entry + 1
 814            } else {
 815                selected_entry
 816            };
 817            if matches!(
 818                self.entries.get(new_selected_entry),
 819                Some(GitListEntry::Header(..))
 820            ) {
 821                self.selected_entry = Some(new_selected_entry + 1);
 822            } else {
 823                self.selected_entry = Some(new_selected_entry);
 824            }
 825
 826            self.scroll_to_selected_entry(cx);
 827        }
 828
 829        cx.notify();
 830    }
 831
 832    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
 833        if self.entries.last().is_some() {
 834            self.selected_entry = Some(self.entries.len() - 1);
 835            self.scroll_to_selected_entry(cx);
 836        }
 837    }
 838
 839    fn focus_editor(&mut self, _: &FocusEditor, window: &mut Window, cx: &mut Context<Self>) {
 840        self.commit_editor.update(cx, |editor, cx| {
 841            window.focus(&editor.focus_handle(cx));
 842        });
 843        cx.notify();
 844    }
 845
 846    fn select_first_entry_if_none(&mut self, cx: &mut Context<Self>) {
 847        let have_entries = self
 848            .active_repository
 849            .as_ref()
 850            .map_or(false, |active_repository| {
 851                active_repository.read(cx).status_summary().count > 0
 852            });
 853        if have_entries && self.selected_entry.is_none() {
 854            self.selected_entry = Some(1);
 855            self.scroll_to_selected_entry(cx);
 856            cx.notify();
 857        }
 858    }
 859
 860    fn focus_changes_list(
 861        &mut self,
 862        _: &FocusChanges,
 863        window: &mut Window,
 864        cx: &mut Context<Self>,
 865    ) {
 866        self.select_first_entry_if_none(cx);
 867
 868        cx.focus_self(window);
 869        cx.notify();
 870    }
 871
 872    fn get_selected_entry(&self) -> Option<&GitListEntry> {
 873        self.selected_entry.and_then(|i| self.entries.get(i))
 874    }
 875
 876    fn open_diff(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
 877        maybe!({
 878            let entry = self.entries.get(self.selected_entry?)?.status_entry()?;
 879            let workspace = self.workspace.upgrade()?;
 880            let git_repo = self.active_repository.as_ref()?;
 881
 882            if let Some(project_diff) = workspace.read(cx).active_item_as::<ProjectDiff>(cx) {
 883                if let Some(project_path) = project_diff.read(cx).active_path(cx) {
 884                    if Some(&entry.repo_path)
 885                        == git_repo
 886                            .read(cx)
 887                            .project_path_to_repo_path(&project_path, cx)
 888                            .as_ref()
 889                    {
 890                        project_diff.focus_handle(cx).focus(window);
 891                        project_diff.update(cx, |project_diff, cx| project_diff.autoscroll(cx));
 892                        return None;
 893                    }
 894                }
 895            };
 896
 897            self.workspace
 898                .update(cx, |workspace, cx| {
 899                    ProjectDiff::deploy_at(workspace, Some(entry.clone()), window, cx);
 900                })
 901                .ok();
 902            self.focus_handle.focus(window);
 903
 904            Some(())
 905        });
 906    }
 907
 908    fn open_file(
 909        &mut self,
 910        _: &menu::SecondaryConfirm,
 911        window: &mut Window,
 912        cx: &mut Context<Self>,
 913    ) {
 914        maybe!({
 915            let entry = self.entries.get(self.selected_entry?)?.status_entry()?;
 916            let active_repo = self.active_repository.as_ref()?;
 917            let path = active_repo
 918                .read(cx)
 919                .repo_path_to_project_path(&entry.repo_path, cx)?;
 920            if entry.status.is_deleted() {
 921                return None;
 922            }
 923
 924            self.workspace
 925                .update(cx, |workspace, cx| {
 926                    workspace
 927                        .open_path_preview(path, None, false, false, true, window, cx)
 928                        .detach_and_prompt_err("Failed to open file", window, cx, |e, _, _| {
 929                            Some(format!("{e}"))
 930                        });
 931                })
 932                .ok()
 933        });
 934    }
 935
 936    fn revert_selected(
 937        &mut self,
 938        action: &git::RestoreFile,
 939        window: &mut Window,
 940        cx: &mut Context<Self>,
 941    ) {
 942        maybe!({
 943            let list_entry = self.entries.get(self.selected_entry?)?.clone();
 944            let entry = list_entry.status_entry()?.to_owned();
 945            let skip_prompt = action.skip_prompt || entry.status.is_created();
 946
 947            let prompt = if skip_prompt {
 948                Task::ready(Ok(0))
 949            } else {
 950                let prompt = window.prompt(
 951                    PromptLevel::Warning,
 952                    &format!(
 953                        "Are you sure you want to restore {}?",
 954                        entry
 955                            .repo_path
 956                            .file_name()
 957                            .unwrap_or(entry.repo_path.as_os_str())
 958                            .to_string_lossy()
 959                    ),
 960                    None,
 961                    &["Restore", "Cancel"],
 962                    cx,
 963                );
 964                cx.background_spawn(prompt)
 965            };
 966
 967            let this = cx.weak_entity();
 968            window
 969                .spawn(cx, async move |cx| {
 970                    if prompt.await? != 0 {
 971                        return anyhow::Ok(());
 972                    }
 973
 974                    this.update_in(cx, |this, window, cx| {
 975                        this.revert_entry(&entry, window, cx);
 976                    })?;
 977
 978                    Ok(())
 979                })
 980                .detach();
 981            Some(())
 982        });
 983    }
 984
 985    fn revert_entry(
 986        &mut self,
 987        entry: &GitStatusEntry,
 988        window: &mut Window,
 989        cx: &mut Context<Self>,
 990    ) {
 991        maybe!({
 992            let active_repo = self.active_repository.clone()?;
 993            let path = active_repo
 994                .read(cx)
 995                .repo_path_to_project_path(&entry.repo_path, cx)?;
 996            let workspace = self.workspace.clone();
 997
 998            if entry.status.staging().has_staged() {
 999                self.change_file_stage(false, vec![entry.clone()], cx);
1000            }
1001            let filename = path.path.file_name()?.to_string_lossy();
1002
1003            if !entry.status.is_created() {
1004                self.perform_checkout(vec![entry.clone()], cx);
1005            } else {
1006                let prompt = prompt(&format!("Trash {}?", filename), None, window, cx);
1007                cx.spawn_in(window, async move |_, cx| {
1008                    match prompt.await? {
1009                        TrashCancel::Trash => {}
1010                        TrashCancel::Cancel => return Ok(()),
1011                    }
1012                    let task = workspace.update(cx, |workspace, cx| {
1013                        workspace
1014                            .project()
1015                            .update(cx, |project, cx| project.delete_file(path, true, cx))
1016                    })?;
1017                    if let Some(task) = task {
1018                        task.await?;
1019                    }
1020                    Ok(())
1021                })
1022                .detach_and_prompt_err(
1023                    "Failed to trash file",
1024                    window,
1025                    cx,
1026                    |e, _, _| Some(format!("{e}")),
1027                );
1028            }
1029            Some(())
1030        });
1031    }
1032
1033    fn perform_checkout(&mut self, entries: Vec<GitStatusEntry>, cx: &mut Context<Self>) {
1034        let workspace = self.workspace.clone();
1035        let Some(active_repository) = self.active_repository.clone() else {
1036            return;
1037        };
1038
1039        let op_id = self.pending.iter().map(|p| p.op_id).max().unwrap_or(0) + 1;
1040        self.pending.push(PendingOperation {
1041            op_id,
1042            target_status: TargetStatus::Reverted,
1043            entries: entries.clone(),
1044            finished: false,
1045        });
1046        self.update_visible_entries(cx);
1047        let task = cx.spawn(async move |_, cx| {
1048            let tasks: Vec<_> = workspace.update(cx, |workspace, cx| {
1049                workspace.project().update(cx, |project, cx| {
1050                    entries
1051                        .iter()
1052                        .filter_map(|entry| {
1053                            let path = active_repository
1054                                .read(cx)
1055                                .repo_path_to_project_path(&entry.repo_path, cx)?;
1056                            Some(project.open_buffer(path, cx))
1057                        })
1058                        .collect()
1059                })
1060            })?;
1061
1062            let buffers = futures::future::join_all(tasks).await;
1063
1064            active_repository
1065                .update(cx, |repo, cx| {
1066                    repo.checkout_files(
1067                        "HEAD",
1068                        entries
1069                            .iter()
1070                            .map(|entries| entries.repo_path.clone())
1071                            .collect(),
1072                        cx,
1073                    )
1074                })?
1075                .await??;
1076
1077            let tasks: Vec<_> = cx.update(|cx| {
1078                buffers
1079                    .iter()
1080                    .filter_map(|buffer| {
1081                        buffer.as_ref().ok()?.update(cx, |buffer, cx| {
1082                            buffer.is_dirty().then(|| buffer.reload(cx))
1083                        })
1084                    })
1085                    .collect()
1086            })?;
1087
1088            futures::future::join_all(tasks).await;
1089
1090            Ok(())
1091        });
1092
1093        cx.spawn(async move |this, cx| {
1094            let result = task.await;
1095
1096            this.update(cx, |this, cx| {
1097                for pending in this.pending.iter_mut() {
1098                    if pending.op_id == op_id {
1099                        pending.finished = true;
1100                        if result.is_err() {
1101                            pending.target_status = TargetStatus::Unchanged;
1102                            this.update_visible_entries(cx);
1103                        }
1104                        break;
1105                    }
1106                }
1107                result
1108                    .map_err(|e| {
1109                        this.show_error_toast("checkout", e, cx);
1110                    })
1111                    .ok();
1112            })
1113            .ok();
1114        })
1115        .detach();
1116    }
1117
1118    fn restore_tracked_files(
1119        &mut self,
1120        _: &RestoreTrackedFiles,
1121        window: &mut Window,
1122        cx: &mut Context<Self>,
1123    ) {
1124        let entries = self
1125            .entries
1126            .iter()
1127            .filter_map(|entry| entry.status_entry().cloned())
1128            .filter(|status_entry| !status_entry.status.is_created())
1129            .collect::<Vec<_>>();
1130
1131        match entries.len() {
1132            0 => return,
1133            1 => return self.revert_entry(&entries[0], window, cx),
1134            _ => {}
1135        }
1136        let mut details = entries
1137            .iter()
1138            .filter_map(|entry| entry.repo_path.0.file_name())
1139            .map(|filename| filename.to_string_lossy())
1140            .take(5)
1141            .join("\n");
1142        if entries.len() > 5 {
1143            details.push_str(&format!("\nand {} more…", entries.len() - 5))
1144        }
1145
1146        #[derive(strum::EnumIter, strum::VariantNames)]
1147        #[strum(serialize_all = "title_case")]
1148        enum RestoreCancel {
1149            RestoreTrackedFiles,
1150            Cancel,
1151        }
1152        let prompt = prompt(
1153            "Discard changes to these files?",
1154            Some(&details),
1155            window,
1156            cx,
1157        );
1158        cx.spawn(async move |this, cx| match prompt.await {
1159            Ok(RestoreCancel::RestoreTrackedFiles) => {
1160                this.update(cx, |this, cx| {
1161                    this.perform_checkout(entries, cx);
1162                })
1163                .ok();
1164            }
1165            _ => {
1166                return;
1167            }
1168        })
1169        .detach();
1170    }
1171
1172    fn clean_all(&mut self, _: &TrashUntrackedFiles, window: &mut Window, cx: &mut Context<Self>) {
1173        let workspace = self.workspace.clone();
1174        let Some(active_repo) = self.active_repository.clone() else {
1175            return;
1176        };
1177        let to_delete = self
1178            .entries
1179            .iter()
1180            .filter_map(|entry| entry.status_entry())
1181            .filter(|status_entry| status_entry.status.is_created())
1182            .cloned()
1183            .collect::<Vec<_>>();
1184
1185        match to_delete.len() {
1186            0 => return,
1187            1 => return self.revert_entry(&to_delete[0], window, cx),
1188            _ => {}
1189        };
1190
1191        let mut details = to_delete
1192            .iter()
1193            .map(|entry| {
1194                entry
1195                    .repo_path
1196                    .0
1197                    .file_name()
1198                    .map(|f| f.to_string_lossy())
1199                    .unwrap_or_default()
1200            })
1201            .take(5)
1202            .join("\n");
1203
1204        if to_delete.len() > 5 {
1205            details.push_str(&format!("\nand {} more…", to_delete.len() - 5))
1206        }
1207
1208        let prompt = prompt("Trash these files?", Some(&details), window, cx);
1209        cx.spawn_in(window, async move |this, cx| {
1210            match prompt.await? {
1211                TrashCancel::Trash => {}
1212                TrashCancel::Cancel => return Ok(()),
1213            }
1214            let tasks = workspace.update(cx, |workspace, cx| {
1215                to_delete
1216                    .iter()
1217                    .filter_map(|entry| {
1218                        workspace.project().update(cx, |project, cx| {
1219                            let project_path = active_repo
1220                                .read(cx)
1221                                .repo_path_to_project_path(&entry.repo_path, cx)?;
1222                            project.delete_file(project_path, true, cx)
1223                        })
1224                    })
1225                    .collect::<Vec<_>>()
1226            })?;
1227            let to_unstage = to_delete
1228                .into_iter()
1229                .filter(|entry| !entry.status.staging().is_fully_unstaged())
1230                .collect();
1231            this.update(cx, |this, cx| this.change_file_stage(false, to_unstage, cx))?;
1232            for task in tasks {
1233                task.await?;
1234            }
1235            Ok(())
1236        })
1237        .detach_and_prompt_err("Failed to trash files", window, cx, |e, _, _| {
1238            Some(format!("{e}"))
1239        });
1240    }
1241
1242    pub fn stage_all(&mut self, _: &StageAll, _window: &mut Window, cx: &mut Context<Self>) {
1243        let entries = self
1244            .entries
1245            .iter()
1246            .filter_map(|entry| entry.status_entry())
1247            .filter(|status_entry| status_entry.staging.has_unstaged())
1248            .cloned()
1249            .collect::<Vec<_>>();
1250        self.change_file_stage(true, entries, cx);
1251    }
1252
1253    pub fn unstage_all(&mut self, _: &UnstageAll, _window: &mut Window, cx: &mut Context<Self>) {
1254        let entries = self
1255            .entries
1256            .iter()
1257            .filter_map(|entry| entry.status_entry())
1258            .filter(|status_entry| status_entry.staging.has_staged())
1259            .cloned()
1260            .collect::<Vec<_>>();
1261        self.change_file_stage(false, entries, cx);
1262    }
1263
1264    fn toggle_staged_for_entry(
1265        &mut self,
1266        entry: &GitListEntry,
1267        _window: &mut Window,
1268        cx: &mut Context<Self>,
1269    ) {
1270        let Some(active_repository) = self.active_repository.as_ref() else {
1271            return;
1272        };
1273        let (stage, repo_paths) = match entry {
1274            GitListEntry::GitStatusEntry(status_entry) => {
1275                if status_entry.status.staging().is_fully_staged() {
1276                    (false, vec![status_entry.clone()])
1277                } else {
1278                    (true, vec![status_entry.clone()])
1279                }
1280            }
1281            GitListEntry::Header(section) => {
1282                let goal_staged_state = !self.header_state(section.header).selected();
1283                let repository = active_repository.read(cx);
1284                let entries = self
1285                    .entries
1286                    .iter()
1287                    .filter_map(|entry| entry.status_entry())
1288                    .filter(|status_entry| {
1289                        section.contains(&status_entry, repository)
1290                            && status_entry.staging.as_bool() != Some(goal_staged_state)
1291                    })
1292                    .map(|status_entry| status_entry.clone())
1293                    .collect::<Vec<_>>();
1294
1295                (goal_staged_state, entries)
1296            }
1297        };
1298        self.change_file_stage(stage, repo_paths, cx);
1299    }
1300
1301    fn change_file_stage(
1302        &mut self,
1303        stage: bool,
1304        entries: Vec<GitStatusEntry>,
1305        cx: &mut Context<Self>,
1306    ) {
1307        let Some(active_repository) = self.active_repository.clone() else {
1308            return;
1309        };
1310        let op_id = self.pending.iter().map(|p| p.op_id).max().unwrap_or(0) + 1;
1311        self.pending.push(PendingOperation {
1312            op_id,
1313            target_status: if stage {
1314                TargetStatus::Staged
1315            } else {
1316                TargetStatus::Unstaged
1317            },
1318            entries: entries.clone(),
1319            finished: false,
1320        });
1321        let repository = active_repository.read(cx);
1322        self.update_counts(repository);
1323        cx.notify();
1324
1325        cx.spawn({
1326            async move |this, cx| {
1327                let result = cx
1328                    .update(|cx| {
1329                        if stage {
1330                            active_repository.update(cx, |repo, cx| {
1331                                let repo_paths = entries
1332                                    .iter()
1333                                    .map(|entry| entry.repo_path.clone())
1334                                    .collect();
1335                                repo.stage_entries(repo_paths, cx)
1336                            })
1337                        } else {
1338                            active_repository.update(cx, |repo, cx| {
1339                                let repo_paths = entries
1340                                    .iter()
1341                                    .map(|entry| entry.repo_path.clone())
1342                                    .collect();
1343                                repo.unstage_entries(repo_paths, cx)
1344                            })
1345                        }
1346                    })?
1347                    .await;
1348
1349                this.update(cx, |this, cx| {
1350                    for pending in this.pending.iter_mut() {
1351                        if pending.op_id == op_id {
1352                            pending.finished = true
1353                        }
1354                    }
1355                    result
1356                        .map_err(|e| {
1357                            this.show_error_toast(if stage { "add" } else { "reset" }, e, cx);
1358                        })
1359                        .ok();
1360                    cx.notify();
1361                })
1362            }
1363        })
1364        .detach();
1365    }
1366
1367    pub fn total_staged_count(&self) -> usize {
1368        self.tracked_staged_count + self.new_staged_count + self.conflicted_staged_count
1369    }
1370
1371    pub fn commit_message_buffer(&self, cx: &App) -> Entity<Buffer> {
1372        self.commit_editor
1373            .read(cx)
1374            .buffer()
1375            .read(cx)
1376            .as_singleton()
1377            .unwrap()
1378            .clone()
1379    }
1380
1381    fn toggle_staged_for_selected(
1382        &mut self,
1383        _: &git::ToggleStaged,
1384        window: &mut Window,
1385        cx: &mut Context<Self>,
1386    ) {
1387        if let Some(selected_entry) = self.get_selected_entry().cloned() {
1388            self.toggle_staged_for_entry(&selected_entry, window, cx);
1389        }
1390    }
1391
1392    fn stage_selected(&mut self, _: &git::StageFile, _window: &mut Window, cx: &mut Context<Self>) {
1393        let Some(selected_entry) = self.get_selected_entry() else {
1394            return;
1395        };
1396        let Some(status_entry) = selected_entry.status_entry() else {
1397            return;
1398        };
1399        if status_entry.staging != StageStatus::Staged {
1400            self.change_file_stage(true, vec![status_entry.clone()], cx);
1401        }
1402    }
1403
1404    fn unstage_selected(
1405        &mut self,
1406        _: &git::UnstageFile,
1407        _window: &mut Window,
1408        cx: &mut Context<Self>,
1409    ) {
1410        let Some(selected_entry) = self.get_selected_entry() else {
1411            return;
1412        };
1413        let Some(status_entry) = selected_entry.status_entry() else {
1414            return;
1415        };
1416        if status_entry.staging != StageStatus::Unstaged {
1417            self.change_file_stage(false, vec![status_entry.clone()], cx);
1418        }
1419    }
1420
1421    fn commit(&mut self, _: &git::Commit, window: &mut Window, cx: &mut Context<Self>) {
1422        if self.amend_pending {
1423            return;
1424        }
1425        if self
1426            .commit_editor
1427            .focus_handle(cx)
1428            .contains_focused(window, cx)
1429        {
1430            telemetry::event!("Git Committed", source = "Git Panel");
1431            self.commit_changes(CommitOptions { amend: false }, window, cx)
1432        } else {
1433            cx.propagate();
1434        }
1435    }
1436
1437    fn amend(&mut self, _: &git::Amend, window: &mut Window, cx: &mut Context<Self>) {
1438        if self
1439            .commit_editor
1440            .focus_handle(cx)
1441            .contains_focused(window, cx)
1442        {
1443            if !self.amend_pending {
1444                self.set_amend_pending(true, cx);
1445                self.load_last_commit_message_if_empty(cx);
1446            } else {
1447                telemetry::event!("Git Amended", source = "Git Panel");
1448                self.set_amend_pending(false, cx);
1449                self.commit_changes(CommitOptions { amend: true }, window, cx);
1450            }
1451        } else {
1452            cx.propagate();
1453        }
1454    }
1455
1456    pub fn load_last_commit_message_if_empty(&mut self, cx: &mut Context<Self>) {
1457        if !self.commit_editor.read(cx).is_empty(cx) {
1458            return;
1459        }
1460        let Some(active_repository) = self.active_repository.as_ref() else {
1461            return;
1462        };
1463        let Some(branch) = active_repository.read(cx).branch.as_ref() else {
1464            return;
1465        };
1466        let Some(recent_sha) = branch
1467            .most_recent_commit
1468            .as_ref()
1469            .map(|commit| commit.sha.to_string())
1470        else {
1471            return;
1472        };
1473        let detail_task = self.load_commit_details(recent_sha, cx);
1474        cx.spawn(async move |this, cx| {
1475            if let Ok(message) = detail_task.await.map(|detail| detail.message) {
1476                this.update(cx, |this, cx| {
1477                    this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1478                        let start = buffer.anchor_before(0);
1479                        let end = buffer.anchor_after(buffer.len());
1480                        buffer.edit([(start..end, message)], None, cx);
1481                    });
1482                })
1483                .log_err();
1484            }
1485        })
1486        .detach();
1487    }
1488
1489    fn cancel(&mut self, _: &git::Cancel, _: &mut Window, cx: &mut Context<Self>) {
1490        if self.amend_pending {
1491            self.set_amend_pending(false, cx);
1492        }
1493    }
1494
1495    fn custom_or_suggested_commit_message(&self, cx: &mut Context<Self>) -> Option<String> {
1496        let message = self.commit_editor.read(cx).text(cx);
1497
1498        if !message.trim().is_empty() {
1499            return Some(message);
1500        }
1501
1502        self.suggest_commit_message(cx)
1503            .filter(|message| !message.trim().is_empty())
1504    }
1505
1506    pub(crate) fn commit_changes(
1507        &mut self,
1508        options: CommitOptions,
1509        window: &mut Window,
1510        cx: &mut Context<Self>,
1511    ) {
1512        let Some(active_repository) = self.active_repository.clone() else {
1513            return;
1514        };
1515        let error_spawn = |message, window: &mut Window, cx: &mut App| {
1516            let prompt = window.prompt(PromptLevel::Warning, message, None, &["Ok"], cx);
1517            cx.spawn(async move |_| {
1518                prompt.await.ok();
1519            })
1520            .detach();
1521        };
1522
1523        if self.has_unstaged_conflicts() {
1524            error_spawn(
1525                "There are still conflicts. You must stage these before committing",
1526                window,
1527                cx,
1528            );
1529            return;
1530        }
1531
1532        let commit_message = self.custom_or_suggested_commit_message(cx);
1533
1534        let Some(mut message) = commit_message else {
1535            self.commit_editor.read(cx).focus_handle(cx).focus(window);
1536            return;
1537        };
1538
1539        if self.add_coauthors {
1540            self.fill_co_authors(&mut message, cx);
1541        }
1542
1543        let task = if self.has_staged_changes() {
1544            // Repository serializes all git operations, so we can just send a commit immediately
1545            let commit_task = active_repository.update(cx, |repo, cx| {
1546                repo.commit(message.into(), None, options, cx)
1547            });
1548            cx.background_spawn(async move { commit_task.await? })
1549        } else {
1550            let changed_files = self
1551                .entries
1552                .iter()
1553                .filter_map(|entry| entry.status_entry())
1554                .filter(|status_entry| !status_entry.status.is_created())
1555                .map(|status_entry| status_entry.repo_path.clone())
1556                .collect::<Vec<_>>();
1557
1558            if changed_files.is_empty() {
1559                error_spawn("No changes to commit", window, cx);
1560                return;
1561            }
1562
1563            let stage_task =
1564                active_repository.update(cx, |repo, cx| repo.stage_entries(changed_files, cx));
1565            cx.spawn(async move |_, cx| {
1566                stage_task.await?;
1567                let commit_task = active_repository.update(cx, |repo, cx| {
1568                    repo.commit(message.into(), None, options, cx)
1569                })?;
1570                commit_task.await?
1571            })
1572        };
1573        let task = cx.spawn_in(window, async move |this, cx| {
1574            let result = task.await;
1575            this.update_in(cx, |this, window, cx| {
1576                this.pending_commit.take();
1577                match result {
1578                    Ok(()) => {
1579                        this.commit_editor
1580                            .update(cx, |editor, cx| editor.clear(window, cx));
1581                    }
1582                    Err(e) => this.show_error_toast("commit", e, cx),
1583                }
1584            })
1585            .ok();
1586        });
1587
1588        self.pending_commit = Some(task);
1589    }
1590
1591    fn uncommit(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1592        let Some(repo) = self.active_repository.clone() else {
1593            return;
1594        };
1595        telemetry::event!("Git Uncommitted");
1596
1597        let confirmation = self.check_for_pushed_commits(window, cx);
1598        let prior_head = self.load_commit_details("HEAD".to_string(), cx);
1599
1600        let task = cx.spawn_in(window, async move |this, cx| {
1601            let result = maybe!(async {
1602                if let Ok(true) = confirmation.await {
1603                    let prior_head = prior_head.await?;
1604
1605                    repo.update(cx, |repo, cx| {
1606                        repo.reset("HEAD^".to_string(), ResetMode::Soft, cx)
1607                    })?
1608                    .await??;
1609
1610                    Ok(Some(prior_head))
1611                } else {
1612                    Ok(None)
1613                }
1614            })
1615            .await;
1616
1617            this.update_in(cx, |this, window, cx| {
1618                this.pending_commit.take();
1619                match result {
1620                    Ok(None) => {}
1621                    Ok(Some(prior_commit)) => {
1622                        this.commit_editor.update(cx, |editor, cx| {
1623                            editor.set_text(prior_commit.message, window, cx)
1624                        });
1625                    }
1626                    Err(e) => this.show_error_toast("reset", e, cx),
1627                }
1628            })
1629            .ok();
1630        });
1631
1632        self.pending_commit = Some(task);
1633    }
1634
1635    fn check_for_pushed_commits(
1636        &mut self,
1637        window: &mut Window,
1638        cx: &mut Context<Self>,
1639    ) -> impl Future<Output = Result<bool, anyhow::Error>> + use<> {
1640        let repo = self.active_repository.clone();
1641        let mut cx = window.to_async(cx);
1642
1643        async move {
1644            let Some(repo) = repo else {
1645                return Err(anyhow::anyhow!("No active repository"));
1646            };
1647
1648            let pushed_to: Vec<SharedString> = repo
1649                .update(&mut cx, |repo, _| repo.check_for_pushed_commits())?
1650                .await??;
1651
1652            if pushed_to.is_empty() {
1653                Ok(true)
1654            } else {
1655                #[derive(strum::EnumIter, strum::VariantNames)]
1656                #[strum(serialize_all = "title_case")]
1657                enum CancelUncommit {
1658                    Uncommit,
1659                    Cancel,
1660                }
1661                let detail = format!(
1662                    "This commit was already pushed to {}.",
1663                    pushed_to.into_iter().join(", ")
1664                );
1665                let result = cx
1666                    .update(|window, cx| prompt("Are you sure?", Some(&detail), window, cx))?
1667                    .await?;
1668
1669                match result {
1670                    CancelUncommit::Cancel => Ok(false),
1671                    CancelUncommit::Uncommit => Ok(true),
1672                }
1673            }
1674        }
1675    }
1676
1677    /// Suggests a commit message based on the changed files and their statuses
1678    pub fn suggest_commit_message(&self, cx: &App) -> Option<String> {
1679        if let Some(merge_message) = self
1680            .active_repository
1681            .as_ref()
1682            .and_then(|repo| repo.read(cx).merge_message.as_ref())
1683        {
1684            return Some(merge_message.to_string());
1685        }
1686
1687        let git_status_entry = if let Some(staged_entry) = &self.single_staged_entry {
1688            Some(staged_entry)
1689        } else if let Some(single_tracked_entry) = &self.single_tracked_entry {
1690            Some(single_tracked_entry)
1691        } else {
1692            None
1693        }?;
1694
1695        let action_text = if git_status_entry.status.is_deleted() {
1696            Some("Delete")
1697        } else if git_status_entry.status.is_created() {
1698            Some("Create")
1699        } else if git_status_entry.status.is_modified() {
1700            Some("Update")
1701        } else {
1702            None
1703        }?;
1704
1705        let file_name = git_status_entry
1706            .repo_path
1707            .file_name()
1708            .unwrap_or_default()
1709            .to_string_lossy();
1710
1711        Some(format!("{} {}", action_text, file_name))
1712    }
1713
1714    fn generate_commit_message_action(
1715        &mut self,
1716        _: &git::GenerateCommitMessage,
1717        _window: &mut Window,
1718        cx: &mut Context<Self>,
1719    ) {
1720        self.generate_commit_message(cx);
1721    }
1722
1723    /// Generates a commit message using an LLM.
1724    pub fn generate_commit_message(&mut self, cx: &mut Context<Self>) {
1725        if !self.can_commit() {
1726            return;
1727        }
1728
1729        let model = match current_language_model(cx) {
1730            Some(value) => value,
1731            None => return,
1732        };
1733
1734        let Some(repo) = self.active_repository.as_ref() else {
1735            return;
1736        };
1737
1738        telemetry::event!("Git Commit Message Generated");
1739
1740        let diff = repo.update(cx, |repo, cx| {
1741            if self.has_staged_changes() {
1742                repo.diff(DiffType::HeadToIndex, cx)
1743            } else {
1744                repo.diff(DiffType::HeadToWorktree, cx)
1745            }
1746        });
1747
1748        self.generate_commit_message_task = Some(cx.spawn(async move |this, cx| {
1749             async move {
1750                let _defer = cx.on_drop(&this, |this, _cx| {
1751                    this.generate_commit_message_task.take();
1752                });
1753
1754                let mut diff_text = diff.await??;
1755
1756                const ONE_MB: usize = 1_000_000;
1757                if diff_text.len() > ONE_MB {
1758                    diff_text = diff_text.chars().take(ONE_MB).collect()
1759                }
1760
1761                let subject = this.update(cx, |this, cx| {
1762                    this.commit_editor.read(cx).text(cx).lines().next().map(ToOwned::to_owned).unwrap_or_default()
1763                })?;
1764
1765                let text_empty = subject.trim().is_empty();
1766
1767                let content = if text_empty {
1768                    format!("{PROMPT}\nHere are the changes in this commit:\n{diff_text}")
1769                } else {
1770                    format!("{PROMPT}\nHere is the user's subject line:\n{subject}\nHere are the changes in this commit:\n{diff_text}\n")
1771                };
1772
1773                const PROMPT: &str = include_str!("commit_message_prompt.txt");
1774
1775                let request = LanguageModelRequest {
1776                    messages: vec![LanguageModelRequestMessage {
1777                        role: Role::User,
1778                        content: vec![content.into()],
1779                        cache: false,
1780                    }],
1781                    tools: Vec::new(),
1782                    stop: Vec::new(),
1783                    temperature: None,
1784                };
1785
1786                let stream = model.stream_completion_text(request, &cx);
1787                let mut messages = stream.await?;
1788
1789                if !text_empty {
1790                    this.update(cx, |this, cx| {
1791                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1792                            let insert_position = buffer.anchor_before(buffer.len());
1793                            buffer.edit([(insert_position..insert_position, "\n")], None, cx)
1794                        });
1795                    })?;
1796                }
1797
1798                while let Some(message) = messages.stream.next().await {
1799                    let text = message?;
1800
1801                    this.update(cx, |this, cx| {
1802                        this.commit_message_buffer(cx).update(cx, |buffer, cx| {
1803                            let insert_position = buffer.anchor_before(buffer.len());
1804                            buffer.edit([(insert_position..insert_position, text)], None, cx);
1805                        });
1806                    })?;
1807                }
1808
1809                anyhow::Ok(())
1810            }
1811            .log_err().await
1812        }));
1813    }
1814
1815    pub(crate) fn fetch(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1816        if !self.can_push_and_pull(cx) {
1817            return;
1818        }
1819
1820        let Some(repo) = self.active_repository.clone() else {
1821            return;
1822        };
1823        telemetry::event!("Git Fetched");
1824        let askpass = self.askpass_delegate("git fetch", window, cx);
1825        let this = cx.weak_entity();
1826        window
1827            .spawn(cx, async move |cx| {
1828                let fetch = repo.update(cx, |repo, cx| repo.fetch(askpass, cx))?;
1829
1830                let remote_message = fetch.await?;
1831                this.update(cx, |this, cx| {
1832                    let action = RemoteAction::Fetch;
1833                    match remote_message {
1834                        Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1835                        Err(e) => {
1836                            log::error!("Error while fetching {:?}", e);
1837                            this.show_error_toast(action.name(), e, cx)
1838                        }
1839                    }
1840
1841                    anyhow::Ok(())
1842                })
1843                .ok();
1844                anyhow::Ok(())
1845            })
1846            .detach_and_log_err(cx);
1847    }
1848
1849    pub(crate) fn git_init(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1850        let worktrees = self
1851            .project
1852            .read(cx)
1853            .visible_worktrees(cx)
1854            .collect::<Vec<_>>();
1855
1856        let worktree = if worktrees.len() == 1 {
1857            Task::ready(Some(worktrees.first().unwrap().clone()))
1858        } else if worktrees.len() == 0 {
1859            let result = window.prompt(
1860                PromptLevel::Warning,
1861                "Unable to initialize a git repository",
1862                Some("Open a directory first"),
1863                &["Ok"],
1864                cx,
1865            );
1866            cx.background_executor()
1867                .spawn(async move {
1868                    result.await.ok();
1869                })
1870                .detach();
1871            return;
1872        } else {
1873            let worktree_directories = worktrees
1874                .iter()
1875                .map(|worktree| worktree.read(cx).abs_path())
1876                .map(|worktree_abs_path| {
1877                    if let Ok(path) = worktree_abs_path.strip_prefix(util::paths::home_dir()) {
1878                        Path::new("~")
1879                            .join(path)
1880                            .to_string_lossy()
1881                            .to_string()
1882                            .into()
1883                    } else {
1884                        worktree_abs_path.to_string_lossy().to_string().into()
1885                    }
1886                })
1887                .collect_vec();
1888            let prompt = picker_prompt::prompt(
1889                "Where would you like to initialize this git repository?",
1890                worktree_directories,
1891                self.workspace.clone(),
1892                window,
1893                cx,
1894            );
1895
1896            cx.spawn(async move |_, _| prompt.await.map(|ix| worktrees[ix].clone()))
1897        };
1898
1899        cx.spawn_in(window, async move |this, cx| {
1900            let worktree = match worktree.await {
1901                Some(worktree) => worktree,
1902                None => {
1903                    return;
1904                }
1905            };
1906
1907            let Ok(result) = this.update(cx, |this, cx| {
1908                let fallback_branch_name = GitPanelSettings::get_global(cx)
1909                    .fallback_branch_name
1910                    .clone();
1911                this.project.read(cx).git_init(
1912                    worktree.read(cx).abs_path(),
1913                    fallback_branch_name,
1914                    cx,
1915                )
1916            }) else {
1917                return;
1918            };
1919
1920            let result = result.await;
1921
1922            this.update_in(cx, |this, _, cx| match result {
1923                Ok(()) => {}
1924                Err(e) => this.show_error_toast("init", e, cx),
1925            })
1926            .ok();
1927        })
1928        .detach();
1929    }
1930
1931    pub(crate) fn pull(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1932        if !self.can_push_and_pull(cx) {
1933            return;
1934        }
1935        let Some(repo) = self.active_repository.clone() else {
1936            return;
1937        };
1938        let Some(branch) = repo.read(cx).branch.as_ref() else {
1939            return;
1940        };
1941        telemetry::event!("Git Pulled");
1942        let branch = branch.clone();
1943        let remote = self.get_current_remote(window, cx);
1944        cx.spawn_in(window, async move |this, cx| {
1945            let remote = match remote.await {
1946                Ok(Some(remote)) => remote,
1947                Ok(None) => {
1948                    return Ok(());
1949                }
1950                Err(e) => {
1951                    log::error!("Failed to get current remote: {}", e);
1952                    this.update(cx, |this, cx| this.show_error_toast("pull", e, cx))
1953                        .ok();
1954                    return Ok(());
1955                }
1956            };
1957
1958            let askpass = this.update_in(cx, |this, window, cx| {
1959                this.askpass_delegate(format!("git pull {}", remote.name), window, cx)
1960            })?;
1961
1962            let pull = repo.update(cx, |repo, cx| {
1963                repo.pull(branch.name.clone(), remote.name.clone(), askpass, cx)
1964            })?;
1965
1966            let remote_message = pull.await?;
1967
1968            let action = RemoteAction::Pull(remote);
1969            this.update(cx, |this, cx| match remote_message {
1970                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
1971                Err(e) => {
1972                    log::error!("Error while pulling {:?}", e);
1973                    this.show_error_toast(action.name(), e, cx)
1974                }
1975            })
1976            .ok();
1977
1978            anyhow::Ok(())
1979        })
1980        .detach_and_log_err(cx);
1981    }
1982
1983    pub(crate) fn push(&mut self, force_push: bool, window: &mut Window, cx: &mut Context<Self>) {
1984        if !self.can_push_and_pull(cx) {
1985            return;
1986        }
1987        let Some(repo) = self.active_repository.clone() else {
1988            return;
1989        };
1990        let Some(branch) = repo.read(cx).branch.as_ref() else {
1991            return;
1992        };
1993        telemetry::event!("Git Pushed");
1994        let branch = branch.clone();
1995
1996        let options = if force_push {
1997            Some(PushOptions::Force)
1998        } else {
1999            match branch.upstream {
2000                Some(Upstream {
2001                    tracking: UpstreamTracking::Gone,
2002                    ..
2003                })
2004                | None => Some(PushOptions::SetUpstream),
2005                _ => None,
2006            }
2007        };
2008        let remote = self.get_current_remote(window, cx);
2009
2010        cx.spawn_in(window, async move |this, cx| {
2011            let remote = match remote.await {
2012                Ok(Some(remote)) => remote,
2013                Ok(None) => {
2014                    return Ok(());
2015                }
2016                Err(e) => {
2017                    log::error!("Failed to get current remote: {}", e);
2018                    this.update(cx, |this, cx| this.show_error_toast("push", e, cx))
2019                        .ok();
2020                    return Ok(());
2021                }
2022            };
2023
2024            let askpass_delegate = this.update_in(cx, |this, window, cx| {
2025                this.askpass_delegate(format!("git push {}", remote.name), window, cx)
2026            })?;
2027
2028            let push = repo.update(cx, |repo, cx| {
2029                repo.push(
2030                    branch.name.clone(),
2031                    remote.name.clone(),
2032                    options,
2033                    askpass_delegate,
2034                    cx,
2035                )
2036            })?;
2037
2038            let remote_output = push.await?;
2039
2040            let action = RemoteAction::Push(branch.name, remote);
2041            this.update(cx, |this, cx| match remote_output {
2042                Ok(remote_message) => this.show_remote_output(action, remote_message, cx),
2043                Err(e) => {
2044                    log::error!("Error while pushing {:?}", e);
2045                    this.show_error_toast(action.name(), e, cx)
2046                }
2047            })?;
2048
2049            anyhow::Ok(())
2050        })
2051        .detach_and_log_err(cx);
2052    }
2053
2054    fn askpass_delegate(
2055        &self,
2056        operation: impl Into<SharedString>,
2057        window: &mut Window,
2058        cx: &mut Context<Self>,
2059    ) -> AskPassDelegate {
2060        let this = cx.weak_entity();
2061        let operation = operation.into();
2062        let window = window.window_handle();
2063        AskPassDelegate::new(&mut cx.to_async(), move |prompt, tx, cx| {
2064            window
2065                .update(cx, |_, window, cx| {
2066                    this.update(cx, |this, cx| {
2067                        this.workspace.update(cx, |workspace, cx| {
2068                            workspace.toggle_modal(window, cx, |window, cx| {
2069                                AskPassModal::new(operation.clone(), prompt.into(), tx, window, cx)
2070                            });
2071                        })
2072                    })
2073                })
2074                .ok();
2075        })
2076    }
2077
2078    fn can_push_and_pull(&self, cx: &App) -> bool {
2079        !self.project.read(cx).is_via_collab()
2080    }
2081
2082    fn get_current_remote(
2083        &mut self,
2084        window: &mut Window,
2085        cx: &mut Context<Self>,
2086    ) -> impl Future<Output = anyhow::Result<Option<Remote>>> + use<> {
2087        let repo = self.active_repository.clone();
2088        let workspace = self.workspace.clone();
2089        let mut cx = window.to_async(cx);
2090
2091        async move {
2092            let Some(repo) = repo else {
2093                return Err(anyhow::anyhow!("No active repository"));
2094            };
2095
2096            let mut current_remotes: Vec<Remote> = repo
2097                .update(&mut cx, |repo, _| {
2098                    let Some(current_branch) = repo.branch.as_ref() else {
2099                        return Err(anyhow::anyhow!("No active branch"));
2100                    };
2101
2102                    Ok(repo.get_remotes(Some(current_branch.name.to_string())))
2103                })??
2104                .await??;
2105
2106            if current_remotes.len() == 0 {
2107                return Err(anyhow::anyhow!("No active remote"));
2108            } else if current_remotes.len() == 1 {
2109                return Ok(Some(current_remotes.pop().unwrap()));
2110            } else {
2111                let current_remotes: Vec<_> = current_remotes
2112                    .into_iter()
2113                    .map(|remotes| remotes.name)
2114                    .collect();
2115                let selection = cx
2116                    .update(|window, cx| {
2117                        picker_prompt::prompt(
2118                            "Pick which remote to push to",
2119                            current_remotes.clone(),
2120                            workspace,
2121                            window,
2122                            cx,
2123                        )
2124                    })?
2125                    .await;
2126
2127                Ok(selection.map(|selection| Remote {
2128                    name: current_remotes[selection].clone(),
2129                }))
2130            }
2131        }
2132    }
2133
2134    fn potential_co_authors(&self, cx: &App) -> Vec<(String, String)> {
2135        let mut new_co_authors = Vec::new();
2136        let project = self.project.read(cx);
2137
2138        let Some(room) = self
2139            .workspace
2140            .upgrade()
2141            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned())
2142        else {
2143            return Vec::default();
2144        };
2145
2146        let room = room.read(cx);
2147
2148        for (peer_id, collaborator) in project.collaborators() {
2149            if collaborator.is_host {
2150                continue;
2151            }
2152
2153            let Some(participant) = room.remote_participant_for_peer_id(*peer_id) else {
2154                continue;
2155            };
2156            if participant.can_write() && participant.user.email.is_some() {
2157                let email = participant.user.email.clone().unwrap();
2158
2159                new_co_authors.push((
2160                    participant
2161                        .user
2162                        .name
2163                        .clone()
2164                        .unwrap_or_else(|| participant.user.github_login.clone()),
2165                    email,
2166                ))
2167            }
2168        }
2169        if !project.is_local() && !project.is_read_only(cx) {
2170            if let Some(user) = room.local_participant_user(cx) {
2171                if let Some(email) = user.email.clone() {
2172                    new_co_authors.push((
2173                        user.name
2174                            .clone()
2175                            .unwrap_or_else(|| user.github_login.clone()),
2176                        email.clone(),
2177                    ))
2178                }
2179            }
2180        }
2181        new_co_authors
2182    }
2183
2184    fn toggle_fill_co_authors(
2185        &mut self,
2186        _: &ToggleFillCoAuthors,
2187        _: &mut Window,
2188        cx: &mut Context<Self>,
2189    ) {
2190        self.add_coauthors = !self.add_coauthors;
2191        cx.notify();
2192    }
2193
2194    fn fill_co_authors(&mut self, message: &mut String, cx: &mut Context<Self>) {
2195        const CO_AUTHOR_PREFIX: &str = "Co-authored-by: ";
2196
2197        let existing_text = message.to_ascii_lowercase();
2198        let lowercase_co_author_prefix = CO_AUTHOR_PREFIX.to_lowercase();
2199        let mut ends_with_co_authors = false;
2200        let existing_co_authors = existing_text
2201            .lines()
2202            .filter_map(|line| {
2203                let line = line.trim();
2204                if line.starts_with(&lowercase_co_author_prefix) {
2205                    ends_with_co_authors = true;
2206                    Some(line)
2207                } else {
2208                    ends_with_co_authors = false;
2209                    None
2210                }
2211            })
2212            .collect::<HashSet<_>>();
2213
2214        let new_co_authors = self
2215            .potential_co_authors(cx)
2216            .into_iter()
2217            .filter(|(_, email)| {
2218                !existing_co_authors
2219                    .iter()
2220                    .any(|existing| existing.contains(email.as_str()))
2221            })
2222            .collect::<Vec<_>>();
2223
2224        if new_co_authors.is_empty() {
2225            return;
2226        }
2227
2228        if !ends_with_co_authors {
2229            message.push('\n');
2230        }
2231        for (name, email) in new_co_authors {
2232            message.push('\n');
2233            message.push_str(CO_AUTHOR_PREFIX);
2234            message.push_str(&name);
2235            message.push_str(" <");
2236            message.push_str(&email);
2237            message.push('>');
2238        }
2239        message.push('\n');
2240    }
2241
2242    fn schedule_update(
2243        &mut self,
2244        clear_pending: bool,
2245        window: &mut Window,
2246        cx: &mut Context<Self>,
2247    ) {
2248        let handle = cx.entity().downgrade();
2249        self.reopen_commit_buffer(window, cx);
2250        self.update_visible_entries_task = cx.spawn_in(window, async move |_, cx| {
2251            cx.background_executor().timer(UPDATE_DEBOUNCE).await;
2252            if let Some(git_panel) = handle.upgrade() {
2253                git_panel
2254                    .update_in(cx, |git_panel, window, cx| {
2255                        if clear_pending {
2256                            git_panel.clear_pending();
2257                        }
2258                        git_panel.update_visible_entries(cx);
2259                        git_panel.update_scrollbar_properties(window, cx);
2260                    })
2261                    .ok();
2262            }
2263        });
2264    }
2265
2266    fn reopen_commit_buffer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2267        let Some(active_repo) = self.active_repository.as_ref() else {
2268            return;
2269        };
2270        let load_buffer = active_repo.update(cx, |active_repo, cx| {
2271            let project = self.project.read(cx);
2272            active_repo.open_commit_buffer(
2273                Some(project.languages().clone()),
2274                project.buffer_store().clone(),
2275                cx,
2276            )
2277        });
2278
2279        cx.spawn_in(window, async move |git_panel, cx| {
2280            let buffer = load_buffer.await?;
2281            git_panel.update_in(cx, |git_panel, window, cx| {
2282                if git_panel
2283                    .commit_editor
2284                    .read(cx)
2285                    .buffer()
2286                    .read(cx)
2287                    .as_singleton()
2288                    .as_ref()
2289                    != Some(&buffer)
2290                {
2291                    git_panel.commit_editor = cx.new(|cx| {
2292                        commit_message_editor(
2293                            buffer,
2294                            git_panel.suggest_commit_message(cx).map(SharedString::from),
2295                            git_panel.project.clone(),
2296                            true,
2297                            window,
2298                            cx,
2299                        )
2300                    });
2301                }
2302            })
2303        })
2304        .detach_and_log_err(cx);
2305    }
2306
2307    fn clear_pending(&mut self) {
2308        self.pending.retain(|v| !v.finished)
2309    }
2310
2311    fn update_visible_entries(&mut self, cx: &mut Context<Self>) {
2312        self.entries.clear();
2313        self.single_staged_entry.take();
2314        self.single_tracked_entry.take();
2315        self.conflicted_count = 0;
2316        self.conflicted_staged_count = 0;
2317        self.new_count = 0;
2318        self.tracked_count = 0;
2319        self.new_staged_count = 0;
2320        self.tracked_staged_count = 0;
2321        self.entry_count = 0;
2322
2323        let mut changed_entries = Vec::new();
2324        let mut new_entries = Vec::new();
2325        let mut conflict_entries = Vec::new();
2326        let mut last_staged = None;
2327        let mut staged_count = 0;
2328        let mut max_width_item: Option<(RepoPath, usize)> = None;
2329
2330        let Some(repo) = self.active_repository.as_ref() else {
2331            // Just clear entries if no repository is active.
2332            cx.notify();
2333            return;
2334        };
2335
2336        let repo = repo.read(cx);
2337
2338        for entry in repo.cached_status() {
2339            let is_conflict = repo.has_conflict(&entry.repo_path);
2340            let is_new = entry.status.is_created();
2341            let staging = entry.status.staging();
2342
2343            if self.pending.iter().any(|pending| {
2344                pending.target_status == TargetStatus::Reverted
2345                    && !pending.finished
2346                    && pending
2347                        .entries
2348                        .iter()
2349                        .any(|pending| pending.repo_path == entry.repo_path)
2350            }) {
2351                continue;
2352            }
2353
2354            let abs_path = repo.work_directory_abs_path.join(&entry.repo_path.0);
2355            let entry = GitStatusEntry {
2356                repo_path: entry.repo_path.clone(),
2357                abs_path,
2358                status: entry.status,
2359                staging,
2360            };
2361
2362            if staging.has_staged() {
2363                staged_count += 1;
2364                last_staged = Some(entry.clone());
2365            }
2366
2367            let width_estimate = Self::item_width_estimate(
2368                entry.parent_dir().map(|s| s.len()).unwrap_or(0),
2369                entry.display_name().len(),
2370            );
2371
2372            match max_width_item.as_mut() {
2373                Some((repo_path, estimate)) => {
2374                    if width_estimate > *estimate {
2375                        *repo_path = entry.repo_path.clone();
2376                        *estimate = width_estimate;
2377                    }
2378                }
2379                None => max_width_item = Some((entry.repo_path.clone(), width_estimate)),
2380            }
2381
2382            if is_conflict {
2383                conflict_entries.push(entry);
2384            } else if is_new {
2385                new_entries.push(entry);
2386            } else {
2387                changed_entries.push(entry);
2388            }
2389        }
2390
2391        let mut pending_staged_count = 0;
2392        let mut last_pending_staged = None;
2393        let mut pending_status_for_last_staged = None;
2394        for pending in self.pending.iter() {
2395            if pending.target_status == TargetStatus::Staged {
2396                pending_staged_count += pending.entries.len();
2397                last_pending_staged = pending.entries.iter().next().cloned();
2398            }
2399            if let Some(last_staged) = &last_staged {
2400                if pending
2401                    .entries
2402                    .iter()
2403                    .any(|entry| entry.repo_path == last_staged.repo_path)
2404                {
2405                    pending_status_for_last_staged = Some(pending.target_status);
2406                }
2407            }
2408        }
2409
2410        if conflict_entries.len() == 0 && staged_count == 1 && pending_staged_count == 0 {
2411            match pending_status_for_last_staged {
2412                Some(TargetStatus::Staged) | None => {
2413                    self.single_staged_entry = last_staged;
2414                }
2415                _ => {}
2416            }
2417        } else if conflict_entries.len() == 0 && pending_staged_count == 1 {
2418            self.single_staged_entry = last_pending_staged;
2419        }
2420
2421        if conflict_entries.len() == 0 && changed_entries.len() == 1 {
2422            self.single_tracked_entry = changed_entries.first().cloned();
2423        }
2424
2425        if conflict_entries.len() > 0 {
2426            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2427                header: Section::Conflict,
2428            }));
2429            self.entries.extend(
2430                conflict_entries
2431                    .into_iter()
2432                    .map(GitListEntry::GitStatusEntry),
2433            );
2434        }
2435
2436        if changed_entries.len() > 0 {
2437            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2438                header: Section::Tracked,
2439            }));
2440            self.entries.extend(
2441                changed_entries
2442                    .into_iter()
2443                    .map(GitListEntry::GitStatusEntry),
2444            );
2445        }
2446        if new_entries.len() > 0 {
2447            self.entries.push(GitListEntry::Header(GitHeaderEntry {
2448                header: Section::New,
2449            }));
2450            self.entries
2451                .extend(new_entries.into_iter().map(GitListEntry::GitStatusEntry));
2452        }
2453
2454        if let Some((repo_path, _)) = max_width_item {
2455            self.max_width_item_index = self.entries.iter().position(|entry| match entry {
2456                GitListEntry::GitStatusEntry(git_status_entry) => {
2457                    git_status_entry.repo_path == repo_path
2458                }
2459                GitListEntry::Header(_) => false,
2460            });
2461        }
2462
2463        self.update_counts(repo);
2464
2465        self.select_first_entry_if_none(cx);
2466
2467        let suggested_commit_message = self.suggest_commit_message(cx);
2468        let placeholder_text = suggested_commit_message.unwrap_or("Enter commit message".into());
2469
2470        self.commit_editor.update(cx, |editor, cx| {
2471            editor.set_placeholder_text(Arc::from(placeholder_text), cx)
2472        });
2473
2474        cx.notify();
2475    }
2476
2477    fn header_state(&self, header_type: Section) -> ToggleState {
2478        let (staged_count, count) = match header_type {
2479            Section::New => (self.new_staged_count, self.new_count),
2480            Section::Tracked => (self.tracked_staged_count, self.tracked_count),
2481            Section::Conflict => (self.conflicted_staged_count, self.conflicted_count),
2482        };
2483        if staged_count == 0 {
2484            ToggleState::Unselected
2485        } else if count == staged_count {
2486            ToggleState::Selected
2487        } else {
2488            ToggleState::Indeterminate
2489        }
2490    }
2491
2492    fn update_counts(&mut self, repo: &Repository) {
2493        self.conflicted_count = 0;
2494        self.conflicted_staged_count = 0;
2495        self.new_count = 0;
2496        self.tracked_count = 0;
2497        self.new_staged_count = 0;
2498        self.tracked_staged_count = 0;
2499        self.entry_count = 0;
2500        for entry in &self.entries {
2501            let Some(status_entry) = entry.status_entry() else {
2502                continue;
2503            };
2504            self.entry_count += 1;
2505            if repo.has_conflict(&status_entry.repo_path) {
2506                self.conflicted_count += 1;
2507                if self.entry_staging(status_entry).has_staged() {
2508                    self.conflicted_staged_count += 1;
2509                }
2510            } else if status_entry.status.is_created() {
2511                self.new_count += 1;
2512                if self.entry_staging(status_entry).has_staged() {
2513                    self.new_staged_count += 1;
2514                }
2515            } else {
2516                self.tracked_count += 1;
2517                if self.entry_staging(status_entry).has_staged() {
2518                    self.tracked_staged_count += 1;
2519                }
2520            }
2521        }
2522    }
2523
2524    fn entry_staging(&self, entry: &GitStatusEntry) -> StageStatus {
2525        for pending in self.pending.iter().rev() {
2526            if pending
2527                .entries
2528                .iter()
2529                .any(|pending_entry| pending_entry.repo_path == entry.repo_path)
2530            {
2531                match pending.target_status {
2532                    TargetStatus::Staged => return StageStatus::Staged,
2533                    TargetStatus::Unstaged => return StageStatus::Unstaged,
2534                    TargetStatus::Reverted => continue,
2535                    TargetStatus::Unchanged => continue,
2536                }
2537            }
2538        }
2539        entry.staging
2540    }
2541
2542    pub(crate) fn has_staged_changes(&self) -> bool {
2543        self.tracked_staged_count > 0
2544            || self.new_staged_count > 0
2545            || self.conflicted_staged_count > 0
2546    }
2547
2548    pub(crate) fn has_unstaged_changes(&self) -> bool {
2549        self.tracked_count > self.tracked_staged_count
2550            || self.new_count > self.new_staged_count
2551            || self.conflicted_count > self.conflicted_staged_count
2552    }
2553
2554    fn has_conflicts(&self) -> bool {
2555        self.conflicted_count > 0
2556    }
2557
2558    fn has_tracked_changes(&self) -> bool {
2559        self.tracked_count > 0
2560    }
2561
2562    pub fn has_unstaged_conflicts(&self) -> bool {
2563        self.conflicted_count > 0 && self.conflicted_count != self.conflicted_staged_count
2564    }
2565
2566    fn show_error_toast(&self, action: impl Into<SharedString>, e: anyhow::Error, cx: &mut App) {
2567        let action = action.into();
2568        let Some(workspace) = self.workspace.upgrade() else {
2569            return;
2570        };
2571
2572        let message = e.to_string().trim().to_string();
2573        if message
2574            .matches(git::repository::REMOTE_CANCELLED_BY_USER)
2575            .next()
2576            .is_some()
2577        {
2578            return; // Hide the cancelled by user message
2579        } else {
2580            workspace.update(cx, |workspace, cx| {
2581                let workspace_weak = cx.weak_entity();
2582                let toast =
2583                    StatusToast::new(format!("git {} failed", action.clone()), cx, |this, _cx| {
2584                        this.icon(ToastIcon::new(IconName::XCircle).color(Color::Error))
2585                            .action("View Log", move |window, cx| {
2586                                let message = message.clone();
2587                                let action = action.clone();
2588                                workspace_weak
2589                                    .update(cx, move |workspace, cx| {
2590                                        Self::open_output(action, workspace, &message, window, cx)
2591                                    })
2592                                    .ok();
2593                            })
2594                    });
2595                workspace.toggle_status_toast(toast, cx)
2596            });
2597        }
2598    }
2599
2600    fn show_remote_output(&self, action: RemoteAction, info: RemoteCommandOutput, cx: &mut App) {
2601        let Some(workspace) = self.workspace.upgrade() else {
2602            return;
2603        };
2604
2605        workspace.update(cx, |workspace, cx| {
2606            let SuccessMessage { message, style } = remote_output::format_output(&action, info);
2607            let workspace_weak = cx.weak_entity();
2608            let operation = action.name();
2609
2610            let status_toast = StatusToast::new(message, cx, move |this, _cx| {
2611                use remote_output::SuccessStyle::*;
2612                match style {
2613                    Toast { .. } => this,
2614                    ToastWithLog { output } => this
2615                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2616                        .action("View Log", move |window, cx| {
2617                            let output = output.clone();
2618                            let output =
2619                                format!("stdout:\n{}\nstderr:\n{}", output.stdout, output.stderr);
2620                            workspace_weak
2621                                .update(cx, move |workspace, cx| {
2622                                    Self::open_output(operation, workspace, &output, window, cx)
2623                                })
2624                                .ok();
2625                        }),
2626                    PushPrLink { link } => this
2627                        .icon(ToastIcon::new(IconName::GitBranchSmall).color(Color::Muted))
2628                        .action("Open Pull Request", move |_, cx| cx.open_url(&link)),
2629                }
2630            });
2631            workspace.toggle_status_toast(status_toast, cx)
2632        });
2633    }
2634
2635    fn open_output(
2636        operation: impl Into<SharedString>,
2637        workspace: &mut Workspace,
2638        output: &str,
2639        window: &mut Window,
2640        cx: &mut Context<Workspace>,
2641    ) {
2642        let operation = operation.into();
2643        let buffer = cx.new(|cx| Buffer::local(output, cx));
2644        buffer.update(cx, |buffer, cx| {
2645            buffer.set_capability(language::Capability::ReadOnly, cx);
2646        });
2647        let editor = cx.new(|cx| {
2648            let mut editor = Editor::for_buffer(buffer, None, window, cx);
2649            editor.buffer().update(cx, |buffer, cx| {
2650                buffer.set_title(format!("Output from git {operation}"), cx);
2651            });
2652            editor.set_read_only(true);
2653            editor
2654        });
2655
2656        workspace.add_item_to_center(Box::new(editor), window, cx);
2657    }
2658
2659    pub fn can_commit(&self) -> bool {
2660        (self.has_staged_changes() || self.has_tracked_changes()) && !self.has_unstaged_conflicts()
2661    }
2662
2663    pub fn can_stage_all(&self) -> bool {
2664        self.has_unstaged_changes()
2665    }
2666
2667    pub fn can_unstage_all(&self) -> bool {
2668        self.has_staged_changes()
2669    }
2670
2671    // eventually we'll need to take depth into account here
2672    // if we add a tree view
2673    fn item_width_estimate(path: usize, file_name: usize) -> usize {
2674        path + file_name
2675    }
2676
2677    fn render_overflow_menu(&self, id: impl Into<ElementId>) -> impl IntoElement {
2678        let focus_handle = self.focus_handle.clone();
2679        let has_tracked_changes = self.has_tracked_changes();
2680        let has_staged_changes = self.has_staged_changes();
2681        let has_unstaged_changes = self.has_unstaged_changes();
2682        let has_new_changes = self.new_count > 0;
2683
2684        PopoverMenu::new(id.into())
2685            .trigger(
2686                IconButton::new("overflow-menu-trigger", IconName::EllipsisVertical)
2687                    .icon_size(IconSize::Small)
2688                    .icon_color(Color::Muted),
2689            )
2690            .menu(move |window, cx| {
2691                Some(git_panel_context_menu(
2692                    focus_handle.clone(),
2693                    GitMenuState {
2694                        has_tracked_changes,
2695                        has_staged_changes,
2696                        has_unstaged_changes,
2697                        has_new_changes,
2698                    },
2699                    window,
2700                    cx,
2701                ))
2702            })
2703            .anchor(Corner::TopRight)
2704    }
2705
2706    pub(crate) fn render_generate_commit_message_button(
2707        &self,
2708        cx: &Context<Self>,
2709    ) -> Option<AnyElement> {
2710        current_language_model(cx).is_some().then(|| {
2711            if self.generate_commit_message_task.is_some() {
2712                return h_flex()
2713                    .gap_1()
2714                    .child(
2715                        Icon::new(IconName::ArrowCircle)
2716                            .size(IconSize::XSmall)
2717                            .color(Color::Info)
2718                            .with_animation(
2719                                "arrow-circle",
2720                                Animation::new(Duration::from_secs(2)).repeat(),
2721                                |icon, delta| {
2722                                    icon.transform(Transformation::rotate(percentage(delta)))
2723                                },
2724                            ),
2725                    )
2726                    .child(
2727                        Label::new("Generating Commit...")
2728                            .size(LabelSize::Small)
2729                            .color(Color::Muted),
2730                    )
2731                    .into_any_element();
2732            }
2733
2734            let can_commit = self.can_commit();
2735            let editor_focus_handle = self.commit_editor.focus_handle(cx);
2736            IconButton::new("generate-commit-message", IconName::AiEdit)
2737                .shape(ui::IconButtonShape::Square)
2738                .icon_color(Color::Muted)
2739                .tooltip(move |window, cx| {
2740                    if can_commit {
2741                        Tooltip::for_action_in(
2742                            "Generate Commit Message",
2743                            &git::GenerateCommitMessage,
2744                            &editor_focus_handle,
2745                            window,
2746                            cx,
2747                        )
2748                    } else {
2749                        Tooltip::simple("No changes to commit", cx)
2750                    }
2751                })
2752                .disabled(!can_commit)
2753                .on_click(cx.listener(move |this, _event, _window, cx| {
2754                    this.generate_commit_message(cx);
2755                }))
2756                .into_any_element()
2757        })
2758    }
2759
2760    pub(crate) fn render_co_authors(&self, cx: &Context<Self>) -> Option<AnyElement> {
2761        let potential_co_authors = self.potential_co_authors(cx);
2762        if potential_co_authors.is_empty() {
2763            None
2764        } else {
2765            Some(
2766                IconButton::new("co-authors", IconName::Person)
2767                    .shape(ui::IconButtonShape::Square)
2768                    .icon_color(Color::Disabled)
2769                    .selected_icon_color(Color::Selected)
2770                    .toggle_state(self.add_coauthors)
2771                    .tooltip(move |_, cx| {
2772                        let title = format!(
2773                            "Add co-authored-by:{}{}",
2774                            if potential_co_authors.len() == 1 {
2775                                ""
2776                            } else {
2777                                "\n"
2778                            },
2779                            potential_co_authors
2780                                .iter()
2781                                .map(|(name, email)| format!(" {} <{}>", name, email))
2782                                .join("\n")
2783                        );
2784                        Tooltip::simple(title, cx)
2785                    })
2786                    .on_click(cx.listener(|this, _, _, cx| {
2787                        this.add_coauthors = !this.add_coauthors;
2788                        cx.notify();
2789                    }))
2790                    .into_any_element(),
2791            )
2792        }
2793    }
2794
2795    fn render_git_commit_menu(
2796        &self,
2797        id: impl Into<ElementId>,
2798        keybinding_target: Option<FocusHandle>,
2799    ) -> impl IntoElement {
2800        PopoverMenu::new(id.into())
2801            .trigger(
2802                ui::ButtonLike::new_rounded_right("commit-split-button-right")
2803                    .layer(ui::ElevationIndex::ModalSurface)
2804                    .size(ui::ButtonSize::None)
2805                    .child(
2806                        div()
2807                            .px_1()
2808                            .child(Icon::new(IconName::ChevronDownSmall).size(IconSize::XSmall)),
2809                    ),
2810            )
2811            .menu(move |window, cx| {
2812                Some(ContextMenu::build(window, cx, |context_menu, _, _| {
2813                    context_menu
2814                        .when_some(keybinding_target.clone(), |el, keybinding_target| {
2815                            el.context(keybinding_target.clone())
2816                        })
2817                        .action("Amend", Amend.boxed_clone())
2818                }))
2819            })
2820            .anchor(Corner::TopRight)
2821    }
2822
2823    pub fn configure_commit_button(&self, cx: &mut Context<Self>) -> (bool, &'static str) {
2824        if self.has_unstaged_conflicts() {
2825            (false, "You must resolve conflicts before committing")
2826        } else if !self.has_staged_changes() && !self.has_tracked_changes() {
2827            (false, "No changes to commit")
2828        } else if self.pending_commit.is_some() {
2829            (false, "Commit in progress")
2830        } else if self.custom_or_suggested_commit_message(cx).is_none() {
2831            (false, "No commit message")
2832        } else if !self.has_write_access(cx) {
2833            (false, "You do not have write access to this project")
2834        } else {
2835            (true, self.commit_button_title())
2836        }
2837    }
2838
2839    pub fn commit_button_title(&self) -> &'static str {
2840        if self.amend_pending {
2841            if self.has_staged_changes() {
2842                "Amend"
2843            } else {
2844                "Amend Tracked"
2845            }
2846        } else {
2847            if self.has_staged_changes() {
2848                "Commit"
2849            } else {
2850                "Commit Tracked"
2851            }
2852        }
2853    }
2854
2855    fn expand_commit_editor(
2856        &mut self,
2857        _: &git::ExpandCommitEditor,
2858        window: &mut Window,
2859        cx: &mut Context<Self>,
2860    ) {
2861        let workspace = self.workspace.clone();
2862        window.defer(cx, move |window, cx| {
2863            workspace
2864                .update(cx, |workspace, cx| {
2865                    CommitModal::toggle(workspace, None, window, cx)
2866                })
2867                .ok();
2868        })
2869    }
2870
2871    fn render_panel_header(
2872        &self,
2873        window: &mut Window,
2874        cx: &mut Context<Self>,
2875    ) -> Option<impl IntoElement> {
2876        self.active_repository.as_ref()?;
2877
2878        let text;
2879        let action;
2880        let tooltip;
2881        if self.total_staged_count() == self.entry_count && self.entry_count > 0 {
2882            text = "Unstage All";
2883            action = git::UnstageAll.boxed_clone();
2884            tooltip = "git reset";
2885        } else {
2886            text = "Stage All";
2887            action = git::StageAll.boxed_clone();
2888            tooltip = "git add --all ."
2889        }
2890
2891        let change_string = match self.entry_count {
2892            0 => "No Changes".to_string(),
2893            1 => "1 Change".to_string(),
2894            _ => format!("{} Changes", self.entry_count),
2895        };
2896
2897        Some(
2898            self.panel_header_container(window, cx)
2899                .px_2()
2900                .child(
2901                    panel_button(change_string)
2902                        .color(Color::Muted)
2903                        .tooltip(Tooltip::for_action_title_in(
2904                            "Open Diff",
2905                            &Diff,
2906                            &self.focus_handle,
2907                        ))
2908                        .on_click(|_, _, cx| {
2909                            cx.defer(|cx| {
2910                                cx.dispatch_action(&Diff);
2911                            })
2912                        }),
2913                )
2914                .child(div().flex_grow()) // spacer
2915                .child(self.render_overflow_menu("overflow_menu"))
2916                .child(div().w_2()) // another spacer
2917                .child(
2918                    panel_filled_button(text)
2919                        .tooltip(Tooltip::for_action_title_in(
2920                            tooltip,
2921                            action.as_ref(),
2922                            &self.focus_handle,
2923                        ))
2924                        .disabled(self.entry_count == 0)
2925                        .on_click(move |_, _, cx| {
2926                            let action = action.boxed_clone();
2927                            cx.defer(move |cx| {
2928                                cx.dispatch_action(action.as_ref());
2929                            })
2930                        }),
2931                ),
2932        )
2933    }
2934
2935    pub(crate) fn render_remote_button(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
2936        let branch = self.active_repository.as_ref()?.read(cx).branch.clone();
2937        if !self.can_push_and_pull(cx) {
2938            return None;
2939        }
2940        Some(
2941            h_flex()
2942                .gap_1()
2943                .flex_shrink_0()
2944                .when_some(branch, |this, branch| {
2945                    let focus_handle = Some(self.focus_handle(cx));
2946
2947                    this.children(render_remote_button(
2948                        "remote-button",
2949                        &branch,
2950                        focus_handle,
2951                        true,
2952                    ))
2953                })
2954                .into_any_element(),
2955        )
2956    }
2957
2958    pub fn render_footer(
2959        &self,
2960        window: &mut Window,
2961        cx: &mut Context<Self>,
2962    ) -> Option<impl IntoElement> {
2963        let active_repository = self.active_repository.clone()?;
2964        let (can_commit, tooltip) = self.configure_commit_button(cx);
2965        let panel_editor_style = panel_editor_style(true, window, cx);
2966
2967        let enable_coauthors = self.render_co_authors(cx);
2968        let title = self.commit_button_title();
2969
2970        let editor_focus_handle = self.commit_editor.focus_handle(cx);
2971        let commit_tooltip_focus_handle = editor_focus_handle.clone();
2972        let expand_tooltip_focus_handle = editor_focus_handle.clone();
2973
2974        let branch = active_repository.read(cx).branch.clone();
2975
2976        let footer_size = px(32.);
2977        let gap = px(9.0);
2978        let max_height = panel_editor_style
2979            .text
2980            .line_height_in_pixels(window.rem_size())
2981            * MAX_PANEL_EDITOR_LINES
2982            + gap;
2983
2984        let git_panel = cx.entity().clone();
2985        let display_name = SharedString::from(Arc::from(
2986            active_repository
2987                .read(cx)
2988                .display_name()
2989                .trim_end_matches("/"),
2990        ));
2991        let editor_is_long = self.commit_editor.update(cx, |editor, cx| {
2992            editor.max_point(cx).row().0 >= MAX_PANEL_EDITOR_LINES as u32
2993        });
2994        let has_previous_commit = branch
2995            .as_ref()
2996            .and_then(|branch| branch.most_recent_commit.as_ref())
2997            .is_some();
2998
2999        let footer = v_flex()
3000            .child(PanelRepoFooter::new(
3001                display_name,
3002                branch,
3003                Some(git_panel.clone()),
3004            ))
3005            .child(
3006                panel_editor_container(window, cx)
3007                    .id("commit-editor-container")
3008                    .relative()
3009                    .w_full()
3010                    .h(max_height + footer_size)
3011                    .border_t_1()
3012                    .border_color(cx.theme().colors().border_variant)
3013                    .cursor_text()
3014                    .on_click(cx.listener(move |this, _: &ClickEvent, window, cx| {
3015                        window.focus(&this.commit_editor.focus_handle(cx));
3016                    }))
3017                    .child(
3018                        h_flex()
3019                            .id("commit-footer")
3020                            .border_t_1()
3021                            .when(editor_is_long, |el| {
3022                                el.border_color(cx.theme().colors().border_variant)
3023                            })
3024                            .absolute()
3025                            .bottom_0()
3026                            .left_0()
3027                            .w_full()
3028                            .px_2()
3029                            .h(footer_size)
3030                            .flex_none()
3031                            .justify_between()
3032                            .child(
3033                                self.render_generate_commit_message_button(cx)
3034                                    .unwrap_or_else(|| div().into_any_element()),
3035                            )
3036                            .child(
3037                                h_flex()
3038                                    .gap_0p5()
3039                                    .children(enable_coauthors)
3040                                    .when(self.amend_pending, {
3041                                        |this| {
3042                                            this.h_flex()
3043                                                .gap_1()
3044                                                .child(
3045                                                    panel_filled_button("Cancel")
3046                                                        .tooltip({
3047                                                            let handle =
3048                                                                commit_tooltip_focus_handle.clone();
3049                                                            move |window, cx| {
3050                                                                Tooltip::for_action_in(
3051                                                                    "Cancel amend",
3052                                                                    &git::Cancel,
3053                                                                    &handle,
3054                                                                    window,
3055                                                                    cx,
3056                                                                )
3057                                                            }
3058                                                        })
3059                                                        .on_click(move |_, window, cx| {
3060                                                            window.dispatch_action(
3061                                                                Box::new(git::Cancel),
3062                                                                cx,
3063                                                            );
3064                                                        }),
3065                                                )
3066                                                .child(
3067                                                    panel_filled_button(title)
3068                                                        .tooltip({
3069                                                            let handle =
3070                                                                commit_tooltip_focus_handle.clone();
3071                                                            move |window, cx| {
3072                                                                if can_commit {
3073                                                                    Tooltip::for_action_in(
3074                                                                        tooltip, &Amend, &handle,
3075                                                                        window, cx,
3076                                                                    )
3077                                                                } else {
3078                                                                    Tooltip::simple(tooltip, cx)
3079                                                                }
3080                                                            }
3081                                                        })
3082                                                        .disabled(!can_commit || self.modal_open)
3083                                                        .on_click({
3084                                                            let git_panel = git_panel.downgrade();
3085                                                            move |_, window, cx| {
3086                                                                telemetry::event!(
3087                                                                    "Git Amended",
3088                                                                    source = "Git Panel"
3089                                                                );
3090                                                                git_panel
3091                                                                    .update(cx, |git_panel, cx| {
3092                                                                        git_panel
3093                                                                            .set_amend_pending(
3094                                                                                false, cx,
3095                                                                            );
3096                                                                        git_panel.commit_changes(
3097                                                                            CommitOptions {
3098                                                                                amend: true,
3099                                                                            },
3100                                                                            window,
3101                                                                            cx,
3102                                                                        );
3103                                                                    })
3104                                                                    .ok();
3105                                                            }
3106                                                        }),
3107                                                )
3108                                        }
3109                                    })
3110                                    .when(!self.amend_pending, |this| {
3111                                        this.when(has_previous_commit, |this| {
3112                                            this.child(SplitButton::new(
3113                                                ui::ButtonLike::new_rounded_left(ElementId::Name(
3114                                                    format!("split-button-left-{}", title).into(),
3115                                                ))
3116                                                .layer(ui::ElevationIndex::ModalSurface)
3117                                                .size(ui::ButtonSize::Compact)
3118                                                .child(
3119                                                    div()
3120                                                        .child(
3121                                                            Label::new(title)
3122                                                                .size(LabelSize::Small),
3123                                                        )
3124                                                        .mr_0p5(),
3125                                                )
3126                                                .on_click({
3127                                                    let git_panel = git_panel.downgrade();
3128                                                    move |_, window, cx| {
3129                                                        telemetry::event!(
3130                                                            "Git Committed",
3131                                                            source = "Git Panel"
3132                                                        );
3133                                                        git_panel
3134                                                            .update(cx, |git_panel, cx| {
3135                                                                git_panel.commit_changes(
3136                                                                    CommitOptions { amend: false },
3137                                                                    window,
3138                                                                    cx,
3139                                                                );
3140                                                            })
3141                                                            .ok();
3142                                                    }
3143                                                })
3144                                                .disabled(!can_commit || self.modal_open)
3145                                                .tooltip({
3146                                                    let handle =
3147                                                        commit_tooltip_focus_handle.clone();
3148                                                    move |window, cx| {
3149                                                        if can_commit {
3150                                                            Tooltip::with_meta_in(
3151                                                                tooltip,
3152                                                                Some(&git::Commit),
3153                                                                "git commit",
3154                                                                &handle.clone(),
3155                                                                window,
3156                                                                cx,
3157                                                            )
3158                                                        } else {
3159                                                            Tooltip::simple(tooltip, cx)
3160                                                        }
3161                                                    }
3162                                                }),
3163                                                self.render_git_commit_menu(
3164                                                    ElementId::Name(
3165                                                        format!("split-button-right-{}", title)
3166                                                            .into(),
3167                                                    ),
3168                                                    Some(commit_tooltip_focus_handle.clone()),
3169                                                )
3170                                                .into_any_element(),
3171                                            ))
3172                                        })
3173                                        .when(
3174                                            !has_previous_commit,
3175                                            |this| {
3176                                                this.child(
3177                                                    panel_filled_button(title)
3178                                                        .tooltip(move |window, cx| {
3179                                                            if can_commit {
3180                                                                Tooltip::with_meta_in(
3181                                                                    tooltip,
3182                                                                    Some(&git::Commit),
3183                                                                    "git commit",
3184                                                                    &commit_tooltip_focus_handle,
3185                                                                    window,
3186                                                                    cx,
3187                                                                )
3188                                                            } else {
3189                                                                Tooltip::simple(tooltip, cx)
3190                                                            }
3191                                                        })
3192                                                        .disabled(!can_commit || self.modal_open)
3193                                                        .on_click({
3194                                                            let git_panel = git_panel.downgrade();
3195                                                            move |_, window, cx| {
3196                                                                telemetry::event!(
3197                                                                    "Git Committed",
3198                                                                    source = "Git Panel"
3199                                                                );
3200                                                                git_panel
3201                                                                    .update(cx, |git_panel, cx| {
3202                                                                        git_panel.commit_changes(
3203                                                                            CommitOptions {
3204                                                                                amend: false,
3205                                                                            },
3206                                                                            window,
3207                                                                            cx,
3208                                                                        );
3209                                                                    })
3210                                                                    .ok();
3211                                                            }
3212                                                        }),
3213                                                )
3214                                            },
3215                                        )
3216                                    }),
3217                            ),
3218                    )
3219                    .child(
3220                        div()
3221                            .pr_2p5()
3222                            .on_action(|&editor::actions::MoveUp, _, cx| {
3223                                cx.stop_propagation();
3224                            })
3225                            .on_action(|&editor::actions::MoveDown, _, cx| {
3226                                cx.stop_propagation();
3227                            })
3228                            .child(EditorElement::new(&self.commit_editor, panel_editor_style)),
3229                    )
3230                    .child(
3231                        h_flex()
3232                            .absolute()
3233                            .top_2()
3234                            .right_2()
3235                            .opacity(0.5)
3236                            .hover(|this| this.opacity(1.0))
3237                            .child(
3238                                panel_icon_button("expand-commit-editor", IconName::Maximize)
3239                                    .icon_size(IconSize::Small)
3240                                    .size(ui::ButtonSize::Default)
3241                                    .tooltip(move |window, cx| {
3242                                        Tooltip::for_action_in(
3243                                            "Open Commit Modal",
3244                                            &git::ExpandCommitEditor,
3245                                            &expand_tooltip_focus_handle,
3246                                            window,
3247                                            cx,
3248                                        )
3249                                    })
3250                                    .on_click(cx.listener({
3251                                        move |_, _, window, cx| {
3252                                            window.dispatch_action(
3253                                                git::ExpandCommitEditor.boxed_clone(),
3254                                                cx,
3255                                            )
3256                                        }
3257                                    })),
3258                            ),
3259                    ),
3260            );
3261
3262        Some(footer)
3263    }
3264
3265    fn render_pending_amend(&self, cx: &mut Context<Self>) -> impl IntoElement {
3266        div()
3267            .py_2()
3268            .px(px(8.))
3269            .border_color(cx.theme().colors().border)
3270            .child(
3271                Label::new(
3272                    "This will update your most recent commit. Cancel to make a new one instead.",
3273                )
3274                .size(LabelSize::Small),
3275            )
3276    }
3277
3278    fn render_previous_commit(&self, cx: &mut Context<Self>) -> Option<impl IntoElement> {
3279        let active_repository = self.active_repository.as_ref()?;
3280        let branch = active_repository.read(cx).branch.as_ref()?;
3281        let commit = branch.most_recent_commit.as_ref()?.clone();
3282        let workspace = self.workspace.clone();
3283
3284        let this = cx.entity();
3285        Some(
3286            h_flex()
3287                .items_center()
3288                .py_2()
3289                .px(px(8.))
3290                .border_color(cx.theme().colors().border)
3291                .gap_1p5()
3292                .child(
3293                    div()
3294                        .flex_grow()
3295                        .overflow_hidden()
3296                        .items_center()
3297                        .max_w(relative(0.85))
3298                        .h_full()
3299                        .child(
3300                            Label::new(commit.subject.clone())
3301                                .size(LabelSize::Small)
3302                                .truncate(),
3303                        )
3304                        .id("commit-msg-hover")
3305                        .on_click({
3306                            let commit = commit.clone();
3307                            let repo = active_repository.downgrade();
3308                            move |_, window, cx| {
3309                                CommitView::open(
3310                                    commit.clone(),
3311                                    repo.clone(),
3312                                    workspace.clone().clone(),
3313                                    window,
3314                                    cx,
3315                                );
3316                            }
3317                        })
3318                        .hoverable_tooltip({
3319                            let repo = active_repository.clone();
3320                            move |window, cx| {
3321                                GitPanelMessageTooltip::new(
3322                                    this.clone(),
3323                                    commit.sha.clone(),
3324                                    repo.clone(),
3325                                    window,
3326                                    cx,
3327                                )
3328                                .into()
3329                            }
3330                        }),
3331                )
3332                .child(div().flex_1())
3333                .when(commit.has_parent, |this| {
3334                    let has_unstaged = self.has_unstaged_changes();
3335                    this.child(
3336                        panel_icon_button("undo", IconName::Undo)
3337                            .icon_size(IconSize::Small)
3338                            .icon_color(Color::Muted)
3339                            .tooltip(move |window, cx| {
3340                                Tooltip::with_meta(
3341                                    "Uncommit",
3342                                    Some(&git::Uncommit),
3343                                    if has_unstaged {
3344                                        "git reset HEAD^ --soft"
3345                                    } else {
3346                                        "git reset HEAD^"
3347                                    },
3348                                    window,
3349                                    cx,
3350                                )
3351                            })
3352                            .on_click(cx.listener(|this, _, window, cx| this.uncommit(window, cx))),
3353                    )
3354                }),
3355        )
3356    }
3357
3358    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
3359        h_flex()
3360            .h_full()
3361            .flex_grow()
3362            .justify_center()
3363            .items_center()
3364            .child(
3365                v_flex()
3366                    .gap_2()
3367                    .child(h_flex().w_full().justify_around().child(
3368                        if self.active_repository.is_some() {
3369                            "No changes to commit"
3370                        } else {
3371                            "No Git repositories"
3372                        },
3373                    ))
3374                    .children({
3375                        let worktree_count = self.project.read(cx).visible_worktrees(cx).count();
3376                        (worktree_count > 0 && self.active_repository.is_none()).then(|| {
3377                            h_flex().w_full().justify_around().child(
3378                                panel_filled_button("Initialize Repository")
3379                                    .tooltip(Tooltip::for_action_title_in(
3380                                        "git init",
3381                                        &git::Init,
3382                                        &self.focus_handle,
3383                                    ))
3384                                    .on_click(move |_, _, cx| {
3385                                        cx.defer(move |cx| {
3386                                            cx.dispatch_action(&git::Init);
3387                                        })
3388                                    }),
3389                            )
3390                        })
3391                    })
3392                    .text_ui_sm(cx)
3393                    .mx_auto()
3394                    .text_color(Color::Placeholder.color(cx)),
3395            )
3396    }
3397
3398    fn render_vertical_scrollbar(
3399        &self,
3400        show_horizontal_scrollbar_container: bool,
3401        cx: &mut Context<Self>,
3402    ) -> impl IntoElement {
3403        div()
3404            .id("git-panel-vertical-scroll")
3405            .occlude()
3406            .flex_none()
3407            .h_full()
3408            .cursor_default()
3409            .absolute()
3410            .right_0()
3411            .top_0()
3412            .bottom_0()
3413            .w(px(12.))
3414            .when(show_horizontal_scrollbar_container, |this| {
3415                this.pb_neg_3p5()
3416            })
3417            .on_mouse_move(cx.listener(|_, _, _, cx| {
3418                cx.notify();
3419                cx.stop_propagation()
3420            }))
3421            .on_hover(|_, _, cx| {
3422                cx.stop_propagation();
3423            })
3424            .on_any_mouse_down(|_, _, cx| {
3425                cx.stop_propagation();
3426            })
3427            .on_mouse_up(
3428                MouseButton::Left,
3429                cx.listener(|this, _, window, cx| {
3430                    if !this.vertical_scrollbar.state.is_dragging()
3431                        && !this.focus_handle.contains_focused(window, cx)
3432                    {
3433                        this.vertical_scrollbar.hide(window, cx);
3434                        cx.notify();
3435                    }
3436
3437                    cx.stop_propagation();
3438                }),
3439            )
3440            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3441                cx.notify();
3442            }))
3443            .children(Scrollbar::vertical(
3444                // percentage as f32..end_offset as f32,
3445                self.vertical_scrollbar.state.clone(),
3446            ))
3447    }
3448
3449    /// Renders the horizontal scrollbar.
3450    ///
3451    /// The right offset is used to determine how far to the right the
3452    /// scrollbar should extend to, useful for ensuring it doesn't collide
3453    /// with the vertical scrollbar when visible.
3454    fn render_horizontal_scrollbar(
3455        &self,
3456        right_offset: Pixels,
3457        cx: &mut Context<Self>,
3458    ) -> impl IntoElement {
3459        div()
3460            .id("git-panel-horizontal-scroll")
3461            .occlude()
3462            .flex_none()
3463            .w_full()
3464            .cursor_default()
3465            .absolute()
3466            .bottom_neg_px()
3467            .left_0()
3468            .right_0()
3469            .pr(right_offset)
3470            .on_mouse_move(cx.listener(|_, _, _, cx| {
3471                cx.notify();
3472                cx.stop_propagation()
3473            }))
3474            .on_hover(|_, _, cx| {
3475                cx.stop_propagation();
3476            })
3477            .on_any_mouse_down(|_, _, cx| {
3478                cx.stop_propagation();
3479            })
3480            .on_mouse_up(
3481                MouseButton::Left,
3482                cx.listener(|this, _, window, cx| {
3483                    if !this.horizontal_scrollbar.state.is_dragging()
3484                        && !this.focus_handle.contains_focused(window, cx)
3485                    {
3486                        this.horizontal_scrollbar.hide(window, cx);
3487                        cx.notify();
3488                    }
3489
3490                    cx.stop_propagation();
3491                }),
3492            )
3493            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
3494                cx.notify();
3495            }))
3496            .children(Scrollbar::horizontal(
3497                // percentage as f32..end_offset as f32,
3498                self.horizontal_scrollbar.state.clone(),
3499            ))
3500    }
3501
3502    fn render_buffer_header_controls(
3503        &self,
3504        entity: &Entity<Self>,
3505        file: &Arc<dyn File>,
3506        _: &Window,
3507        cx: &App,
3508    ) -> Option<AnyElement> {
3509        let repo = self.active_repository.as_ref()?.read(cx);
3510        let project_path = (file.worktree_id(cx), file.path()).into();
3511        let repo_path = repo.project_path_to_repo_path(&project_path, cx)?;
3512        let ix = self.entry_by_path(&repo_path)?;
3513        let entry = self.entries.get(ix)?;
3514
3515        let entry_staging = self.entry_staging(entry.status_entry()?);
3516
3517        let checkbox = Checkbox::new("stage-file", entry_staging.as_bool().into())
3518            .disabled(!self.has_write_access(cx))
3519            .fill()
3520            .elevation(ElevationIndex::Surface)
3521            .on_click({
3522                let entry = entry.clone();
3523                let git_panel = entity.downgrade();
3524                move |_, window, cx| {
3525                    git_panel
3526                        .update(cx, |this, cx| {
3527                            this.toggle_staged_for_entry(&entry, window, cx);
3528                            cx.stop_propagation();
3529                        })
3530                        .ok();
3531                }
3532            });
3533        Some(
3534            h_flex()
3535                .id("start-slot")
3536                .text_lg()
3537                .child(checkbox)
3538                .on_mouse_down(MouseButton::Left, |_, _, cx| {
3539                    // prevent the list item active state triggering when toggling checkbox
3540                    cx.stop_propagation();
3541                })
3542                .into_any_element(),
3543        )
3544    }
3545
3546    fn render_entries(
3547        &self,
3548        has_write_access: bool,
3549        _: &Window,
3550        cx: &mut Context<Self>,
3551    ) -> impl IntoElement {
3552        let entry_count = self.entries.len();
3553
3554        let scroll_track_size = px(16.);
3555
3556        let h_scroll_offset = if self.vertical_scrollbar.show_scrollbar {
3557            // magic number
3558            px(3.)
3559        } else {
3560            px(0.)
3561        };
3562
3563        v_flex()
3564            .flex_1()
3565            .size_full()
3566            .overflow_hidden()
3567            .relative()
3568            // Show a border on the top and bottom of the container when
3569            // the vertical scrollbar container is visible so we don't have a
3570            // floating left border in the panel.
3571            .when(self.vertical_scrollbar.show_track, |this| {
3572                this.border_t_1()
3573                    .border_b_1()
3574                    .border_color(cx.theme().colors().border)
3575            })
3576            .child(
3577                h_flex()
3578                    .flex_1()
3579                    .size_full()
3580                    .relative()
3581                    .overflow_hidden()
3582                    .child(
3583                        uniform_list(cx.entity().clone(), "entries", entry_count, {
3584                            move |this, range, window, cx| {
3585                                let mut items = Vec::with_capacity(range.end - range.start);
3586
3587                                for ix in range {
3588                                    match &this.entries.get(ix) {
3589                                        Some(GitListEntry::GitStatusEntry(entry)) => {
3590                                            items.push(this.render_entry(
3591                                                ix,
3592                                                entry,
3593                                                has_write_access,
3594                                                window,
3595                                                cx,
3596                                            ));
3597                                        }
3598                                        Some(GitListEntry::Header(header)) => {
3599                                            items.push(this.render_list_header(
3600                                                ix,
3601                                                header,
3602                                                has_write_access,
3603                                                window,
3604                                                cx,
3605                                            ));
3606                                        }
3607                                        None => {}
3608                                    }
3609                                }
3610
3611                                items
3612                            }
3613                        })
3614                        .size_full()
3615                        .flex_grow()
3616                        .with_sizing_behavior(ListSizingBehavior::Auto)
3617                        .with_horizontal_sizing_behavior(
3618                            ListHorizontalSizingBehavior::Unconstrained,
3619                        )
3620                        .with_width_from_item(self.max_width_item_index)
3621                        .track_scroll(self.scroll_handle.clone()),
3622                    )
3623                    .on_mouse_down(
3624                        MouseButton::Right,
3625                        cx.listener(move |this, event: &MouseDownEvent, window, cx| {
3626                            this.deploy_panel_context_menu(event.position, window, cx)
3627                        }),
3628                    )
3629                    .when(self.vertical_scrollbar.show_track, |this| {
3630                        this.child(
3631                            v_flex()
3632                                .h_full()
3633                                .flex_none()
3634                                .w(scroll_track_size)
3635                                .bg(cx.theme().colors().panel_background)
3636                                .child(
3637                                    div()
3638                                        .size_full()
3639                                        .flex_1()
3640                                        .border_l_1()
3641                                        .border_color(cx.theme().colors().border),
3642                                ),
3643                        )
3644                    })
3645                    .when(self.vertical_scrollbar.show_scrollbar, |this| {
3646                        this.child(
3647                            self.render_vertical_scrollbar(
3648                                self.horizontal_scrollbar.show_track,
3649                                cx,
3650                            ),
3651                        )
3652                    }),
3653            )
3654            .when(self.horizontal_scrollbar.show_track, |this| {
3655                this.child(
3656                    h_flex()
3657                        .w_full()
3658                        .h(scroll_track_size)
3659                        .flex_none()
3660                        .relative()
3661                        .child(
3662                            div()
3663                                .w_full()
3664                                .flex_1()
3665                                // for some reason the horizontal scrollbar is 1px
3666                                // taller than the vertical scrollbar??
3667                                .h(scroll_track_size - px(1.))
3668                                .bg(cx.theme().colors().panel_background)
3669                                .border_t_1()
3670                                .border_color(cx.theme().colors().border),
3671                        )
3672                        .when(self.vertical_scrollbar.show_track, |this| {
3673                            this.child(
3674                                div()
3675                                    .flex_none()
3676                                    // -1px prevents a missing pixel between the two container borders
3677                                    .w(scroll_track_size - px(1.))
3678                                    .h_full(),
3679                            )
3680                            .child(
3681                                // HACK: Fill the missing 1px 🥲
3682                                div()
3683                                    .absolute()
3684                                    .right(scroll_track_size - px(1.))
3685                                    .bottom(scroll_track_size - px(1.))
3686                                    .size_px()
3687                                    .bg(cx.theme().colors().border),
3688                            )
3689                        }),
3690                )
3691            })
3692            .when(self.horizontal_scrollbar.show_scrollbar, |this| {
3693                this.child(self.render_horizontal_scrollbar(h_scroll_offset, cx))
3694            })
3695    }
3696
3697    fn entry_label(&self, label: impl Into<SharedString>, color: Color) -> Label {
3698        Label::new(label.into()).color(color).single_line()
3699    }
3700
3701    fn list_item_height(&self) -> Rems {
3702        rems(1.75)
3703    }
3704
3705    fn render_list_header(
3706        &self,
3707        ix: usize,
3708        header: &GitHeaderEntry,
3709        _: bool,
3710        _: &Window,
3711        _: &Context<Self>,
3712    ) -> AnyElement {
3713        let id: ElementId = ElementId::Name(format!("header_{}", ix).into());
3714
3715        h_flex()
3716            .id(id)
3717            .h(self.list_item_height())
3718            .w_full()
3719            .items_end()
3720            .px(rems(0.75)) // ~12px
3721            .pb(rems(0.3125)) // ~ 5px
3722            .child(
3723                Label::new(header.title())
3724                    .color(Color::Muted)
3725                    .size(LabelSize::Small)
3726                    .line_height_style(LineHeightStyle::UiLabel)
3727                    .single_line(),
3728            )
3729            .into_any_element()
3730    }
3731
3732    pub fn load_commit_details(
3733        &self,
3734        sha: String,
3735        cx: &mut Context<Self>,
3736    ) -> Task<anyhow::Result<CommitDetails>> {
3737        let Some(repo) = self.active_repository.clone() else {
3738            return Task::ready(Err(anyhow::anyhow!("no active repo")));
3739        };
3740        repo.update(cx, |repo, cx| {
3741            let show = repo.show(sha);
3742            cx.spawn(async move |_, _| show.await?)
3743        })
3744    }
3745
3746    fn deploy_entry_context_menu(
3747        &mut self,
3748        position: Point<Pixels>,
3749        ix: usize,
3750        window: &mut Window,
3751        cx: &mut Context<Self>,
3752    ) {
3753        let Some(entry) = self.entries.get(ix).and_then(|e| e.status_entry()) else {
3754            return;
3755        };
3756        let stage_title = if entry.status.staging().is_fully_staged() {
3757            "Unstage File"
3758        } else {
3759            "Stage File"
3760        };
3761        let restore_title = if entry.status.is_created() {
3762            "Trash File"
3763        } else {
3764            "Restore File"
3765        };
3766        let context_menu = ContextMenu::build(window, cx, |context_menu, _, _| {
3767            context_menu
3768                .context(self.focus_handle.clone())
3769                .action(stage_title, ToggleStaged.boxed_clone())
3770                .action(restore_title, git::RestoreFile::default().boxed_clone())
3771                .separator()
3772                .action("Open Diff", Confirm.boxed_clone())
3773                .action("Open File", SecondaryConfirm.boxed_clone())
3774        });
3775        self.selected_entry = Some(ix);
3776        self.set_context_menu(context_menu, position, window, cx);
3777    }
3778
3779    fn deploy_panel_context_menu(
3780        &mut self,
3781        position: Point<Pixels>,
3782        window: &mut Window,
3783        cx: &mut Context<Self>,
3784    ) {
3785        let context_menu = git_panel_context_menu(
3786            self.focus_handle.clone(),
3787            GitMenuState {
3788                has_tracked_changes: self.has_tracked_changes(),
3789                has_staged_changes: self.has_staged_changes(),
3790                has_unstaged_changes: self.has_unstaged_changes(),
3791                has_new_changes: self.new_count > 0,
3792            },
3793            window,
3794            cx,
3795        );
3796        self.set_context_menu(context_menu, position, window, cx);
3797    }
3798
3799    fn set_context_menu(
3800        &mut self,
3801        context_menu: Entity<ContextMenu>,
3802        position: Point<Pixels>,
3803        window: &Window,
3804        cx: &mut Context<Self>,
3805    ) {
3806        let subscription = cx.subscribe_in(
3807            &context_menu,
3808            window,
3809            |this, _, _: &DismissEvent, window, cx| {
3810                if this.context_menu.as_ref().is_some_and(|context_menu| {
3811                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
3812                }) {
3813                    cx.focus_self(window);
3814                }
3815                this.context_menu.take();
3816                cx.notify();
3817            },
3818        );
3819        self.context_menu = Some((context_menu, position, subscription));
3820        cx.notify();
3821    }
3822
3823    fn render_entry(
3824        &self,
3825        ix: usize,
3826        entry: &GitStatusEntry,
3827        has_write_access: bool,
3828        window: &Window,
3829        cx: &Context<Self>,
3830    ) -> AnyElement {
3831        let display_name = entry.display_name();
3832
3833        let selected = self.selected_entry == Some(ix);
3834        let marked = self.marked_entries.contains(&ix);
3835        let status_style = GitPanelSettings::get_global(cx).status_style;
3836        let status = entry.status;
3837        let modifiers = self.current_modifiers;
3838        let shift_held = modifiers.shift;
3839
3840        let has_conflict = status.is_conflicted();
3841        let is_modified = status.is_modified();
3842        let is_deleted = status.is_deleted();
3843
3844        let label_color = if status_style == StatusStyle::LabelColor {
3845            if has_conflict {
3846                Color::VersionControlConflict
3847            } else if is_modified {
3848                Color::VersionControlModified
3849            } else if is_deleted {
3850                // We don't want a bunch of red labels in the list
3851                Color::Disabled
3852            } else {
3853                Color::VersionControlAdded
3854            }
3855        } else {
3856            Color::Default
3857        };
3858
3859        let path_color = if status.is_deleted() {
3860            Color::Disabled
3861        } else {
3862            Color::Muted
3863        };
3864
3865        let id: ElementId = ElementId::Name(format!("entry_{}_{}", display_name, ix).into());
3866        let checkbox_wrapper_id: ElementId =
3867            ElementId::Name(format!("entry_{}_{}_checkbox_wrapper", display_name, ix).into());
3868        let checkbox_id: ElementId =
3869            ElementId::Name(format!("entry_{}_{}_checkbox", display_name, ix).into());
3870
3871        let entry_staging = self.entry_staging(entry);
3872        let mut is_staged: ToggleState = self.entry_staging(entry).as_bool().into();
3873
3874        if !self.has_staged_changes() && !self.has_conflicts() && !entry.status.is_created() {
3875            is_staged = ToggleState::Selected;
3876        }
3877
3878        let handle = cx.weak_entity();
3879
3880        let selected_bg_alpha = 0.08;
3881        let marked_bg_alpha = 0.12;
3882        let state_opacity_step = 0.04;
3883
3884        let base_bg = match (selected, marked) {
3885            (true, true) => cx
3886                .theme()
3887                .status()
3888                .info
3889                .alpha(selected_bg_alpha + marked_bg_alpha),
3890            (true, false) => cx.theme().status().info.alpha(selected_bg_alpha),
3891            (false, true) => cx.theme().status().info.alpha(marked_bg_alpha),
3892            _ => cx.theme().colors().ghost_element_background,
3893        };
3894
3895        let hover_bg = if selected {
3896            cx.theme()
3897                .status()
3898                .info
3899                .alpha(selected_bg_alpha + state_opacity_step)
3900        } else {
3901            cx.theme().colors().ghost_element_hover
3902        };
3903
3904        let active_bg = if selected {
3905            cx.theme()
3906                .status()
3907                .info
3908                .alpha(selected_bg_alpha + state_opacity_step * 2.0)
3909        } else {
3910            cx.theme().colors().ghost_element_active
3911        };
3912
3913        h_flex()
3914            .id(id)
3915            .h(self.list_item_height())
3916            .w_full()
3917            .items_center()
3918            .border_1()
3919            .when(selected && self.focus_handle.is_focused(window), |el| {
3920                el.border_color(cx.theme().colors().border_focused)
3921            })
3922            .px(rems(0.75)) // ~12px
3923            .overflow_hidden()
3924            .flex_none()
3925            .gap_1p5()
3926            .bg(base_bg)
3927            .hover(|this| this.bg(hover_bg))
3928            .active(|this| this.bg(active_bg))
3929            .on_click({
3930                cx.listener(move |this, event: &ClickEvent, window, cx| {
3931                    this.selected_entry = Some(ix);
3932                    cx.notify();
3933                    if event.modifiers().secondary() {
3934                        this.open_file(&Default::default(), window, cx)
3935                    } else {
3936                        this.open_diff(&Default::default(), window, cx);
3937                        this.focus_handle.focus(window);
3938                    }
3939                })
3940            })
3941            .on_mouse_down(
3942                MouseButton::Right,
3943                move |event: &MouseDownEvent, window, cx| {
3944                    // why isn't this happening automatically? we are passing MouseButton::Right to `on_mouse_down`?
3945                    if event.button != MouseButton::Right {
3946                        return;
3947                    }
3948
3949                    let Some(this) = handle.upgrade() else {
3950                        return;
3951                    };
3952                    this.update(cx, |this, cx| {
3953                        this.deploy_entry_context_menu(event.position, ix, window, cx);
3954                    });
3955                    cx.stop_propagation();
3956                },
3957            )
3958            // .on_secondary_mouse_down(cx.listener(
3959            //     move |this, event: &MouseDownEvent, window, cx| {
3960            //         this.deploy_entry_context_menu(event.position, ix, window, cx);
3961            //         cx.stop_propagation();
3962            //     },
3963            // ))
3964            .child(
3965                div()
3966                    .id(checkbox_wrapper_id)
3967                    .flex_none()
3968                    .occlude()
3969                    .cursor_pointer()
3970                    .child(
3971                        Checkbox::new(checkbox_id, is_staged)
3972                            .disabled(!has_write_access)
3973                            .fill()
3974                            .placeholder(
3975                                !self.has_staged_changes()
3976                                    && !self.has_conflicts()
3977                                    && !entry.status.is_created(),
3978                            )
3979                            .elevation(ElevationIndex::Surface)
3980                            .on_click({
3981                                let entry = entry.clone();
3982                                cx.listener(move |this, _, window, cx| {
3983                                    if !has_write_access {
3984                                        return;
3985                                    }
3986                                    this.toggle_staged_for_entry(
3987                                        &GitListEntry::GitStatusEntry(entry.clone()),
3988                                        window,
3989                                        cx,
3990                                    );
3991                                    cx.stop_propagation();
3992                                })
3993                            })
3994                            .tooltip(move |window, cx| {
3995                                let is_staged = entry_staging.is_fully_staged();
3996
3997                                let action = if is_staged { "Unstage" } else { "Stage" };
3998                                let tooltip_name = if shift_held {
3999                                    format!("{} section", action)
4000                                } else {
4001                                    action.to_string()
4002                                };
4003
4004                                let meta = if shift_held {
4005                                    format!(
4006                                        "Release shift to {} single entry",
4007                                        action.to_lowercase()
4008                                    )
4009                                } else {
4010                                    format!("Shift click to {} section", action.to_lowercase())
4011                                };
4012
4013                                Tooltip::with_meta(
4014                                    tooltip_name,
4015                                    Some(&ToggleStaged),
4016                                    meta,
4017                                    window,
4018                                    cx,
4019                                )
4020                            }),
4021                    ),
4022            )
4023            .child(git_status_icon(status))
4024            .child(
4025                h_flex()
4026                    .items_center()
4027                    .flex_1()
4028                    // .overflow_hidden()
4029                    .when_some(entry.parent_dir(), |this, parent| {
4030                        if !parent.is_empty() {
4031                            this.child(
4032                                self.entry_label(format!("{}/", parent), path_color)
4033                                    .when(status.is_deleted(), |this| this.strikethrough()),
4034                            )
4035                        } else {
4036                            this
4037                        }
4038                    })
4039                    .child(
4040                        self.entry_label(display_name.clone(), label_color)
4041                            .when(status.is_deleted(), |this| this.strikethrough()),
4042                    ),
4043            )
4044            .into_any_element()
4045    }
4046
4047    fn has_write_access(&self, cx: &App) -> bool {
4048        !self.project.read(cx).is_read_only(cx)
4049    }
4050
4051    pub fn amend_pending(&self) -> bool {
4052        self.amend_pending
4053    }
4054
4055    pub fn set_amend_pending(&mut self, value: bool, cx: &mut Context<Self>) {
4056        self.amend_pending = value;
4057        cx.notify();
4058    }
4059}
4060
4061fn current_language_model(cx: &Context<'_, GitPanel>) -> Option<Arc<dyn LanguageModel>> {
4062    assistant_settings::AssistantSettings::get_global(cx)
4063        .enabled
4064        .then(|| {
4065            let ConfiguredModel { provider, model } =
4066                LanguageModelRegistry::read_global(cx).commit_message_model()?;
4067
4068            provider.is_authenticated(cx).then(|| model)
4069        })
4070        .flatten()
4071}
4072
4073impl Render for GitPanel {
4074    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4075        let project = self.project.read(cx);
4076        let has_entries = self.entries.len() > 0;
4077        let room = self
4078            .workspace
4079            .upgrade()
4080            .and_then(|workspace| workspace.read(cx).active_call()?.read(cx).room().cloned());
4081
4082        let has_write_access = self.has_write_access(cx);
4083
4084        let has_co_authors = room.map_or(false, |room| {
4085            room.read(cx)
4086                .remote_participants()
4087                .values()
4088                .any(|remote_participant| remote_participant.can_write())
4089        });
4090
4091        v_flex()
4092            .id("git_panel")
4093            .key_context(self.dispatch_context(window, cx))
4094            .track_focus(&self.focus_handle)
4095            .on_modifiers_changed(cx.listener(Self::handle_modifiers_changed))
4096            .when(has_write_access && !project.is_read_only(cx), |this| {
4097                this.on_action(cx.listener(Self::toggle_staged_for_selected))
4098                    .on_action(cx.listener(GitPanel::commit))
4099                    .on_action(cx.listener(GitPanel::amend))
4100                    .on_action(cx.listener(GitPanel::cancel))
4101                    .on_action(cx.listener(Self::stage_all))
4102                    .on_action(cx.listener(Self::unstage_all))
4103                    .on_action(cx.listener(Self::stage_selected))
4104                    .on_action(cx.listener(Self::unstage_selected))
4105                    .on_action(cx.listener(Self::restore_tracked_files))
4106                    .on_action(cx.listener(Self::revert_selected))
4107                    .on_action(cx.listener(Self::clean_all))
4108                    .on_action(cx.listener(Self::generate_commit_message_action))
4109            })
4110            .on_action(cx.listener(Self::select_first))
4111            .on_action(cx.listener(Self::select_next))
4112            .on_action(cx.listener(Self::select_previous))
4113            .on_action(cx.listener(Self::select_last))
4114            .on_action(cx.listener(Self::close_panel))
4115            .on_action(cx.listener(Self::open_diff))
4116            .on_action(cx.listener(Self::open_file))
4117            .on_action(cx.listener(Self::focus_changes_list))
4118            .on_action(cx.listener(Self::focus_editor))
4119            .on_action(cx.listener(Self::expand_commit_editor))
4120            .when(has_write_access && has_co_authors, |git_panel| {
4121                git_panel.on_action(cx.listener(Self::toggle_fill_co_authors))
4122            })
4123            .on_hover(cx.listener(move |this, hovered, window, cx| {
4124                if *hovered {
4125                    this.horizontal_scrollbar.show(cx);
4126                    this.vertical_scrollbar.show(cx);
4127                    cx.notify();
4128                } else if !this.focus_handle.contains_focused(window, cx) {
4129                    this.hide_scrollbars(window, cx);
4130                }
4131            }))
4132            .size_full()
4133            .overflow_hidden()
4134            .bg(cx.theme().colors().panel_background)
4135            .child(
4136                v_flex()
4137                    .size_full()
4138                    .children(self.render_panel_header(window, cx))
4139                    .map(|this| {
4140                        if has_entries {
4141                            this.child(self.render_entries(has_write_access, window, cx))
4142                        } else {
4143                            this.child(self.render_empty_state(cx).into_any_element())
4144                        }
4145                    })
4146                    .children(self.render_footer(window, cx))
4147                    .when(self.amend_pending, |this| {
4148                        this.child(self.render_pending_amend(cx))
4149                    })
4150                    .when(!self.amend_pending, |this| {
4151                        this.children(self.render_previous_commit(cx))
4152                    })
4153                    .into_any_element(),
4154            )
4155            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
4156                deferred(
4157                    anchored()
4158                        .position(*position)
4159                        .anchor(Corner::TopLeft)
4160                        .child(menu.clone()),
4161                )
4162                .with_priority(1)
4163            }))
4164    }
4165}
4166
4167impl Focusable for GitPanel {
4168    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
4169        if self.entries.is_empty() {
4170            self.commit_editor.focus_handle(cx)
4171        } else {
4172            self.focus_handle.clone()
4173        }
4174    }
4175}
4176
4177impl EventEmitter<Event> for GitPanel {}
4178
4179impl EventEmitter<PanelEvent> for GitPanel {}
4180
4181pub(crate) struct GitPanelAddon {
4182    pub(crate) workspace: WeakEntity<Workspace>,
4183}
4184
4185impl editor::Addon for GitPanelAddon {
4186    fn to_any(&self) -> &dyn std::any::Any {
4187        self
4188    }
4189
4190    fn render_buffer_header_controls(
4191        &self,
4192        excerpt_info: &ExcerptInfo,
4193        window: &Window,
4194        cx: &App,
4195    ) -> Option<AnyElement> {
4196        let file = excerpt_info.buffer.file()?;
4197        let git_panel = self.workspace.upgrade()?.read(cx).panel::<GitPanel>(cx)?;
4198
4199        git_panel
4200            .read(cx)
4201            .render_buffer_header_controls(&git_panel, &file, window, cx)
4202    }
4203}
4204
4205impl Panel for GitPanel {
4206    fn persistent_name() -> &'static str {
4207        "GitPanel"
4208    }
4209
4210    fn position(&self, _: &Window, cx: &App) -> DockPosition {
4211        GitPanelSettings::get_global(cx).dock
4212    }
4213
4214    fn position_is_valid(&self, position: DockPosition) -> bool {
4215        matches!(position, DockPosition::Left | DockPosition::Right)
4216    }
4217
4218    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
4219        settings::update_settings_file::<GitPanelSettings>(
4220            self.fs.clone(),
4221            cx,
4222            move |settings, _| settings.dock = Some(position),
4223        );
4224    }
4225
4226    fn size(&self, _: &Window, cx: &App) -> Pixels {
4227        self.width
4228            .unwrap_or_else(|| GitPanelSettings::get_global(cx).default_width)
4229    }
4230
4231    fn set_size(&mut self, size: Option<Pixels>, _: &mut Window, cx: &mut Context<Self>) {
4232        self.width = size;
4233        self.serialize(cx);
4234        cx.notify();
4235    }
4236
4237    fn icon(&self, _: &Window, cx: &App) -> Option<ui::IconName> {
4238        Some(ui::IconName::GitBranchSmall).filter(|_| GitPanelSettings::get_global(cx).button)
4239    }
4240
4241    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
4242        Some("Git Panel")
4243    }
4244
4245    fn toggle_action(&self) -> Box<dyn Action> {
4246        Box::new(ToggleFocus)
4247    }
4248
4249    fn activation_priority(&self) -> u32 {
4250        2
4251    }
4252}
4253
4254impl PanelHeader for GitPanel {}
4255
4256struct GitPanelMessageTooltip {
4257    commit_tooltip: Option<Entity<CommitTooltip>>,
4258}
4259
4260impl GitPanelMessageTooltip {
4261    fn new(
4262        git_panel: Entity<GitPanel>,
4263        sha: SharedString,
4264        repository: Entity<Repository>,
4265        window: &mut Window,
4266        cx: &mut App,
4267    ) -> Entity<Self> {
4268        cx.new(|cx| {
4269            cx.spawn_in(window, async move |this, cx| {
4270                let (details, workspace) = git_panel.update(cx, |git_panel, cx| {
4271                    (
4272                        git_panel.load_commit_details(sha.to_string(), cx),
4273                        git_panel.workspace.clone(),
4274                    )
4275                })?;
4276                let details = details.await?;
4277
4278                let commit_details = crate::commit_tooltip::CommitDetails {
4279                    sha: details.sha.clone(),
4280                    author_name: details.author_name.clone(),
4281                    author_email: details.author_email.clone(),
4282                    commit_time: OffsetDateTime::from_unix_timestamp(details.commit_timestamp)?,
4283                    message: Some(ParsedCommitMessage {
4284                        message: details.message.clone(),
4285                        ..Default::default()
4286                    }),
4287                };
4288
4289                this.update(cx, |this: &mut GitPanelMessageTooltip, cx| {
4290                    this.commit_tooltip = Some(cx.new(move |cx| {
4291                        CommitTooltip::new(commit_details, repository, workspace, cx)
4292                    }));
4293                    cx.notify();
4294                })
4295            })
4296            .detach();
4297
4298            Self {
4299                commit_tooltip: None,
4300            }
4301        })
4302    }
4303}
4304
4305impl Render for GitPanelMessageTooltip {
4306    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
4307        if let Some(commit_tooltip) = &self.commit_tooltip {
4308            commit_tooltip.clone().into_any_element()
4309        } else {
4310            gpui::Empty.into_any_element()
4311        }
4312    }
4313}
4314
4315#[derive(IntoElement, RegisterComponent)]
4316pub struct PanelRepoFooter {
4317    active_repository: SharedString,
4318    branch: Option<Branch>,
4319    // Getting a GitPanel in previews will be difficult.
4320    //
4321    // For now just take an option here, and we won't bind handlers to buttons in previews.
4322    git_panel: Option<Entity<GitPanel>>,
4323}
4324
4325impl PanelRepoFooter {
4326    pub fn new(
4327        active_repository: SharedString,
4328        branch: Option<Branch>,
4329        git_panel: Option<Entity<GitPanel>>,
4330    ) -> Self {
4331        Self {
4332            active_repository,
4333            branch,
4334            git_panel,
4335        }
4336    }
4337
4338    pub fn new_preview(active_repository: SharedString, branch: Option<Branch>) -> Self {
4339        Self {
4340            active_repository,
4341            branch,
4342            git_panel: None,
4343        }
4344    }
4345}
4346
4347impl RenderOnce for PanelRepoFooter {
4348    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
4349        let project = self
4350            .git_panel
4351            .as_ref()
4352            .map(|panel| panel.read(cx).project.clone());
4353
4354        let repo = self
4355            .git_panel
4356            .as_ref()
4357            .and_then(|panel| panel.read(cx).active_repository.clone());
4358
4359        let single_repo = project
4360            .as_ref()
4361            .map(|project| project.read(cx).git_store().read(cx).repositories().len() == 1)
4362            .unwrap_or(true);
4363
4364        const MAX_BRANCH_LEN: usize = 16;
4365        const MAX_REPO_LEN: usize = 16;
4366        const LABEL_CHARACTER_BUDGET: usize = MAX_BRANCH_LEN + MAX_REPO_LEN;
4367
4368        let branch = self.branch.clone();
4369        let branch_name = branch
4370            .as_ref()
4371            .map_or(" (no branch)".into(), |branch| branch.name.clone());
4372        let active_repo_name = self.active_repository.clone();
4373
4374        let branch_actual_len = branch_name.len();
4375        let repo_actual_len = active_repo_name.len();
4376
4377        // ideally, show the whole branch and repo names but
4378        // when we can't, use a budget to allocate space between the two
4379        let (repo_display_len, branch_display_len) = if branch_actual_len + repo_actual_len
4380            <= LABEL_CHARACTER_BUDGET
4381        {
4382            (repo_actual_len, branch_actual_len)
4383        } else {
4384            if branch_actual_len <= MAX_BRANCH_LEN {
4385                let repo_space = (LABEL_CHARACTER_BUDGET - branch_actual_len).min(MAX_REPO_LEN);
4386                (repo_space, branch_actual_len)
4387            } else if repo_actual_len <= MAX_REPO_LEN {
4388                let branch_space = (LABEL_CHARACTER_BUDGET - repo_actual_len).min(MAX_BRANCH_LEN);
4389                (repo_actual_len, branch_space)
4390            } else {
4391                (MAX_REPO_LEN, MAX_BRANCH_LEN)
4392            }
4393        };
4394
4395        let truncated_repo_name = if repo_actual_len <= repo_display_len {
4396            active_repo_name.to_string()
4397        } else {
4398            util::truncate_and_trailoff(active_repo_name.trim_ascii(), repo_display_len)
4399        };
4400
4401        let truncated_branch_name = if branch_actual_len <= branch_display_len {
4402            branch_name.to_string()
4403        } else {
4404            util::truncate_and_trailoff(branch_name.trim_ascii(), branch_display_len)
4405        };
4406
4407        let repo_selector_trigger = Button::new("repo-selector", truncated_repo_name)
4408            .style(ButtonStyle::Transparent)
4409            .size(ButtonSize::None)
4410            .label_size(LabelSize::Small)
4411            .color(Color::Muted);
4412
4413        let repo_selector = PopoverMenu::new("repository-switcher")
4414            .menu({
4415                let project = project.clone();
4416                move |window, cx| {
4417                    let project = project.clone()?;
4418                    Some(cx.new(|cx| RepositorySelector::new(project, rems(16.), window, cx)))
4419                }
4420            })
4421            .trigger_with_tooltip(
4422                repo_selector_trigger.disabled(single_repo).truncate(true),
4423                Tooltip::text("Switch active repository"),
4424            )
4425            .anchor(Corner::BottomLeft)
4426            .into_any_element();
4427
4428        let branch_selector_button = Button::new("branch-selector", truncated_branch_name)
4429            .style(ButtonStyle::Transparent)
4430            .size(ButtonSize::None)
4431            .label_size(LabelSize::Small)
4432            .truncate(true)
4433            .tooltip(Tooltip::for_action_title(
4434                "Switch Branch",
4435                &zed_actions::git::Switch,
4436            ))
4437            .on_click(|_, window, cx| {
4438                window.dispatch_action(zed_actions::git::Switch.boxed_clone(), cx);
4439            });
4440
4441        let branch_selector = PopoverMenu::new("popover-button")
4442            .menu(move |window, cx| Some(branch_picker::popover(repo.clone(), window, cx)))
4443            .trigger_with_tooltip(
4444                branch_selector_button,
4445                Tooltip::for_action_title("Switch Branch", &zed_actions::git::Switch),
4446            )
4447            .anchor(Corner::BottomLeft)
4448            .offset(gpui::Point {
4449                x: px(0.0),
4450                y: px(-2.0),
4451            });
4452
4453        h_flex()
4454            .w_full()
4455            .px_2()
4456            .h(px(36.))
4457            .items_center()
4458            .justify_between()
4459            .gap_1()
4460            .child(
4461                h_flex()
4462                    .flex_1()
4463                    .overflow_hidden()
4464                    .items_center()
4465                    .child(
4466                        div().child(
4467                            Icon::new(IconName::GitBranchSmall)
4468                                .size(IconSize::Small)
4469                                .color(if single_repo {
4470                                    Color::Disabled
4471                                } else {
4472                                    Color::Muted
4473                                }),
4474                        ),
4475                    )
4476                    .child(repo_selector)
4477                    .when_some(branch.clone(), |this, _| {
4478                        this.child(
4479                            div()
4480                                .text_color(cx.theme().colors().text_muted)
4481                                .text_sm()
4482                                .child("/"),
4483                        )
4484                    })
4485                    .child(branch_selector),
4486            )
4487            .children(if let Some(git_panel) = self.git_panel {
4488                git_panel.update(cx, |git_panel, cx| git_panel.render_remote_button(cx))
4489            } else {
4490                None
4491            })
4492    }
4493}
4494
4495impl Component for PanelRepoFooter {
4496    fn scope() -> ComponentScope {
4497        ComponentScope::VersionControl
4498    }
4499
4500    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
4501        let unknown_upstream = None;
4502        let no_remote_upstream = Some(UpstreamTracking::Gone);
4503        let ahead_of_upstream = Some(
4504            UpstreamTrackingStatus {
4505                ahead: 2,
4506                behind: 0,
4507            }
4508            .into(),
4509        );
4510        let behind_upstream = Some(
4511            UpstreamTrackingStatus {
4512                ahead: 0,
4513                behind: 2,
4514            }
4515            .into(),
4516        );
4517        let ahead_and_behind_upstream = Some(
4518            UpstreamTrackingStatus {
4519                ahead: 3,
4520                behind: 1,
4521            }
4522            .into(),
4523        );
4524
4525        let not_ahead_or_behind_upstream = Some(
4526            UpstreamTrackingStatus {
4527                ahead: 0,
4528                behind: 0,
4529            }
4530            .into(),
4531        );
4532
4533        fn branch(upstream: Option<UpstreamTracking>) -> Branch {
4534            Branch {
4535                is_head: true,
4536                name: "some-branch".into(),
4537                upstream: upstream.map(|tracking| Upstream {
4538                    ref_name: "origin/some-branch".into(),
4539                    tracking,
4540                }),
4541                most_recent_commit: Some(CommitSummary {
4542                    sha: "abc123".into(),
4543                    subject: "Modify stuff".into(),
4544                    commit_timestamp: 1710932954,
4545                    has_parent: true,
4546                }),
4547            }
4548        }
4549
4550        fn custom(branch_name: &str, upstream: Option<UpstreamTracking>) -> Branch {
4551            Branch {
4552                is_head: true,
4553                name: branch_name.to_string().into(),
4554                upstream: upstream.map(|tracking| Upstream {
4555                    ref_name: format!("zed/{}", branch_name).into(),
4556                    tracking,
4557                }),
4558                most_recent_commit: Some(CommitSummary {
4559                    sha: "abc123".into(),
4560                    subject: "Modify stuff".into(),
4561                    commit_timestamp: 1710932954,
4562                    has_parent: true,
4563                }),
4564            }
4565        }
4566
4567        fn active_repository(id: usize) -> SharedString {
4568            format!("repo-{}", id).into()
4569        }
4570
4571        let example_width = px(340.);
4572        Some(
4573            v_flex()
4574                .gap_6()
4575                .w_full()
4576                .flex_none()
4577                .children(vec![
4578                    example_group_with_title(
4579                        "Action Button States",
4580                        vec![
4581                            single_example(
4582                                "No Branch",
4583                                div()
4584                                    .w(example_width)
4585                                    .overflow_hidden()
4586                                    .child(PanelRepoFooter::new_preview(
4587                                        active_repository(1).clone(),
4588                                        None,
4589                                    ))
4590                                    .into_any_element(),
4591                            ),
4592                            single_example(
4593                                "Remote status unknown",
4594                                div()
4595                                    .w(example_width)
4596                                    .overflow_hidden()
4597                                    .child(PanelRepoFooter::new_preview(
4598                                        active_repository(2).clone(),
4599                                        Some(branch(unknown_upstream)),
4600                                    ))
4601                                    .into_any_element(),
4602                            ),
4603                            single_example(
4604                                "No Remote Upstream",
4605                                div()
4606                                    .w(example_width)
4607                                    .overflow_hidden()
4608                                    .child(PanelRepoFooter::new_preview(
4609                                        active_repository(3).clone(),
4610                                        Some(branch(no_remote_upstream)),
4611                                    ))
4612                                    .into_any_element(),
4613                            ),
4614                            single_example(
4615                                "Not Ahead or Behind",
4616                                div()
4617                                    .w(example_width)
4618                                    .overflow_hidden()
4619                                    .child(PanelRepoFooter::new_preview(
4620                                        active_repository(4).clone(),
4621                                        Some(branch(not_ahead_or_behind_upstream)),
4622                                    ))
4623                                    .into_any_element(),
4624                            ),
4625                            single_example(
4626                                "Behind remote",
4627                                div()
4628                                    .w(example_width)
4629                                    .overflow_hidden()
4630                                    .child(PanelRepoFooter::new_preview(
4631                                        active_repository(5).clone(),
4632                                        Some(branch(behind_upstream)),
4633                                    ))
4634                                    .into_any_element(),
4635                            ),
4636                            single_example(
4637                                "Ahead of remote",
4638                                div()
4639                                    .w(example_width)
4640                                    .overflow_hidden()
4641                                    .child(PanelRepoFooter::new_preview(
4642                                        active_repository(6).clone(),
4643                                        Some(branch(ahead_of_upstream)),
4644                                    ))
4645                                    .into_any_element(),
4646                            ),
4647                            single_example(
4648                                "Ahead and behind remote",
4649                                div()
4650                                    .w(example_width)
4651                                    .overflow_hidden()
4652                                    .child(PanelRepoFooter::new_preview(
4653                                        active_repository(7).clone(),
4654                                        Some(branch(ahead_and_behind_upstream)),
4655                                    ))
4656                                    .into_any_element(),
4657                            ),
4658                        ],
4659                    )
4660                    .grow()
4661                    .vertical(),
4662                ])
4663                .children(vec![
4664                    example_group_with_title(
4665                        "Labels",
4666                        vec![
4667                            single_example(
4668                                "Short Branch & Repo",
4669                                div()
4670                                    .w(example_width)
4671                                    .overflow_hidden()
4672                                    .child(PanelRepoFooter::new_preview(
4673                                        SharedString::from("zed"),
4674                                        Some(custom("main", behind_upstream)),
4675                                    ))
4676                                    .into_any_element(),
4677                            ),
4678                            single_example(
4679                                "Long Branch",
4680                                div()
4681                                    .w(example_width)
4682                                    .overflow_hidden()
4683                                    .child(PanelRepoFooter::new_preview(
4684                                        SharedString::from("zed"),
4685                                        Some(custom(
4686                                            "redesign-and-update-git-ui-list-entry-style",
4687                                            behind_upstream,
4688                                        )),
4689                                    ))
4690                                    .into_any_element(),
4691                            ),
4692                            single_example(
4693                                "Long Repo",
4694                                div()
4695                                    .w(example_width)
4696                                    .overflow_hidden()
4697                                    .child(PanelRepoFooter::new_preview(
4698                                        SharedString::from("zed-industries-community-examples"),
4699                                        Some(custom("gpui", ahead_of_upstream)),
4700                                    ))
4701                                    .into_any_element(),
4702                            ),
4703                            single_example(
4704                                "Long Repo & Branch",
4705                                div()
4706                                    .w(example_width)
4707                                    .overflow_hidden()
4708                                    .child(PanelRepoFooter::new_preview(
4709                                        SharedString::from("zed-industries-community-examples"),
4710                                        Some(custom(
4711                                            "redesign-and-update-git-ui-list-entry-style",
4712                                            behind_upstream,
4713                                        )),
4714                                    ))
4715                                    .into_any_element(),
4716                            ),
4717                            single_example(
4718                                "Uppercase Repo",
4719                                div()
4720                                    .w(example_width)
4721                                    .overflow_hidden()
4722                                    .child(PanelRepoFooter::new_preview(
4723                                        SharedString::from("LICENSES"),
4724                                        Some(custom("main", ahead_of_upstream)),
4725                                    ))
4726                                    .into_any_element(),
4727                            ),
4728                            single_example(
4729                                "Uppercase Branch",
4730                                div()
4731                                    .w(example_width)
4732                                    .overflow_hidden()
4733                                    .child(PanelRepoFooter::new_preview(
4734                                        SharedString::from("zed"),
4735                                        Some(custom("update-README", behind_upstream)),
4736                                    ))
4737                                    .into_any_element(),
4738                            ),
4739                        ],
4740                    )
4741                    .grow()
4742                    .vertical(),
4743                ])
4744                .into_any_element(),
4745        )
4746    }
4747}
4748
4749#[cfg(test)]
4750mod tests {
4751    use git::status::StatusCode;
4752    use gpui::TestAppContext;
4753    use project::{FakeFs, WorktreeSettings};
4754    use serde_json::json;
4755    use settings::SettingsStore;
4756    use theme::LoadThemes;
4757    use util::path;
4758
4759    use super::*;
4760
4761    fn init_test(cx: &mut gpui::TestAppContext) {
4762        if std::env::var("RUST_LOG").is_ok() {
4763            env_logger::try_init().ok();
4764        }
4765
4766        cx.update(|cx| {
4767            let settings_store = SettingsStore::test(cx);
4768            cx.set_global(settings_store);
4769            AssistantSettings::register(cx);
4770            WorktreeSettings::register(cx);
4771            workspace::init_settings(cx);
4772            theme::init(LoadThemes::JustBase, cx);
4773            language::init(cx);
4774            editor::init(cx);
4775            Project::init_settings(cx);
4776            crate::init(cx);
4777        });
4778    }
4779
4780    #[gpui::test]
4781    async fn test_entry_worktree_paths(cx: &mut TestAppContext) {
4782        init_test(cx);
4783        let fs = FakeFs::new(cx.background_executor.clone());
4784        fs.insert_tree(
4785            "/root",
4786            json!({
4787                "zed": {
4788                    ".git": {},
4789                    "crates": {
4790                        "gpui": {
4791                            "gpui.rs": "fn main() {}"
4792                        },
4793                        "util": {
4794                            "util.rs": "fn do_it() {}"
4795                        }
4796                    }
4797                },
4798            }),
4799        )
4800        .await;
4801
4802        fs.set_status_for_repo(
4803            Path::new(path!("/root/zed/.git")),
4804            &[
4805                (
4806                    Path::new("crates/gpui/gpui.rs"),
4807                    StatusCode::Modified.worktree(),
4808                ),
4809                (
4810                    Path::new("crates/util/util.rs"),
4811                    StatusCode::Modified.worktree(),
4812                ),
4813            ],
4814        );
4815
4816        let project =
4817            Project::test(fs.clone(), [path!("/root/zed/crates/gpui").as_ref()], cx).await;
4818        let (workspace, cx) =
4819            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4820
4821        cx.read(|cx| {
4822            project
4823                .read(cx)
4824                .worktrees(cx)
4825                .nth(0)
4826                .unwrap()
4827                .read(cx)
4828                .as_local()
4829                .unwrap()
4830                .scan_complete()
4831        })
4832        .await;
4833
4834        cx.executor().run_until_parked();
4835
4836        let app_state = workspace.update(cx, |workspace, _| workspace.app_state().clone());
4837        let panel = cx.new_window_entity(|window, cx| {
4838            GitPanel::new(workspace.clone(), project.clone(), app_state, window, cx)
4839        });
4840
4841        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4842            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4843        });
4844        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4845        handle.await;
4846
4847        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4848        pretty_assertions::assert_eq!(
4849            entries,
4850            [
4851                GitListEntry::Header(GitHeaderEntry {
4852                    header: Section::Tracked
4853                }),
4854                GitListEntry::GitStatusEntry(GitStatusEntry {
4855                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4856                    repo_path: "crates/gpui/gpui.rs".into(),
4857                    status: StatusCode::Modified.worktree(),
4858                    staging: StageStatus::Unstaged,
4859                }),
4860                GitListEntry::GitStatusEntry(GitStatusEntry {
4861                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4862                    repo_path: "crates/util/util.rs".into(),
4863                    status: StatusCode::Modified.worktree(),
4864                    staging: StageStatus::Unstaged,
4865                },),
4866            ],
4867        );
4868
4869        // TODO(cole) restore this once repository deduplication is implemented properly.
4870        //cx.update_window_entity(&panel, |panel, window, cx| {
4871        //    panel.select_last(&Default::default(), window, cx);
4872        //    assert_eq!(panel.selected_entry, Some(2));
4873        //    panel.open_diff(&Default::default(), window, cx);
4874        //});
4875        //cx.run_until_parked();
4876
4877        //let worktree_roots = workspace.update(cx, |workspace, cx| {
4878        //    workspace
4879        //        .worktrees(cx)
4880        //        .map(|worktree| worktree.read(cx).abs_path())
4881        //        .collect::<Vec<_>>()
4882        //});
4883        //pretty_assertions::assert_eq!(
4884        //    worktree_roots,
4885        //    vec![
4886        //        Path::new(path!("/root/zed/crates/gpui")).into(),
4887        //        Path::new(path!("/root/zed/crates/util/util.rs")).into(),
4888        //    ]
4889        //);
4890
4891        //project.update(cx, |project, cx| {
4892        //    let git_store = project.git_store().read(cx);
4893        //    // The repo that comes from the single-file worktree can't be selected through the UI.
4894        //    let filtered_entries = filtered_repository_entries(git_store, cx)
4895        //        .iter()
4896        //        .map(|repo| repo.read(cx).worktree_abs_path.clone())
4897        //        .collect::<Vec<_>>();
4898        //    assert_eq!(
4899        //        filtered_entries,
4900        //        [Path::new(path!("/root/zed/crates/gpui")).into()]
4901        //    );
4902        //    // But we can select it artificially here.
4903        //    let repo_from_single_file_worktree = git_store
4904        //        .repositories()
4905        //        .values()
4906        //        .find(|repo| {
4907        //            repo.read(cx).worktree_abs_path.as_ref()
4908        //                == Path::new(path!("/root/zed/crates/util/util.rs"))
4909        //        })
4910        //        .unwrap()
4911        //        .clone();
4912
4913        //    // Paths still make sense when we somehow activate a repo that comes from a single-file worktree.
4914        //    repo_from_single_file_worktree.update(cx, |repo, cx| repo.set_as_active_repository(cx));
4915        //});
4916
4917        let handle = cx.update_window_entity(&panel, |panel, _, _| {
4918            std::mem::replace(&mut panel.update_visible_entries_task, Task::ready(()))
4919        });
4920        cx.executor().advance_clock(2 * UPDATE_DEBOUNCE);
4921        handle.await;
4922        let entries = panel.update(cx, |panel, _| panel.entries.clone());
4923        pretty_assertions::assert_eq!(
4924            entries,
4925            [
4926                GitListEntry::Header(GitHeaderEntry {
4927                    header: Section::Tracked
4928                }),
4929                GitListEntry::GitStatusEntry(GitStatusEntry {
4930                    abs_path: path!("/root/zed/crates/gpui/gpui.rs").into(),
4931                    repo_path: "crates/gpui/gpui.rs".into(),
4932                    status: StatusCode::Modified.worktree(),
4933                    staging: StageStatus::Unstaged,
4934                }),
4935                GitListEntry::GitStatusEntry(GitStatusEntry {
4936                    abs_path: path!("/root/zed/crates/util/util.rs").into(),
4937                    repo_path: "crates/util/util.rs".into(),
4938                    status: StatusCode::Modified.worktree(),
4939                    staging: StageStatus::Unstaged,
4940                },),
4941            ],
4942        );
4943    }
4944}