use crate::settings::StatusStyle;use crate::{first_repository_in_project, first_worktree_repository};use crate::{    git_status_icon, settings::GitPanelSettings, CommitAllChanges, CommitChanges, GitState,    GitViewMode, RevertAll, StageAll, ToggleStaged, UnstageAll,};use anyhow::{Context as _, Result};use db::kvp::KEY_VALUE_STORE;use editor::scroll::ScrollbarAutoHide;use editor::{Editor, EditorSettings, ShowScrollbar};use git::repository::{GitFileStatus, RepoPath};use git::status::GitStatusPair;use gpui::*;use language::Buffer;use menu::{SelectFirst, SelectLast, SelectNext, SelectPrev};use project::{Fs, Project};use serde::{Deserialize, Serialize};use settings::Settings as _;use std::sync::atomic::{AtomicBool, Ordering};use std::{collections::HashSet, ops::Range, path::PathBuf, sync::Arc, time::Duration, usize};use theme::ThemeSettings;use ui::{    prelude::*, Checkbox, Divider, DividerColor, ElevationIndex, Scrollbar, ScrollbarState, Tooltip,};use util::{ResultExt, TryFutureExt};use workspace::{    dock::{DockPosition, Panel, PanelEvent},    Workspace,}; actions!(    git_panel,    [        Close,        ToggleFocus,        OpenMenu,        OpenSelected,        FocusEditor,        FocusChanges    ]); const GIT_PANEL_KEY: &str = "GitPanel"; const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50); pub fn init(cx: &mut AppContext) {    cx.observe_new_views(        |workspace: &mut Workspace, _cx: &mut ViewContext<Workspace>| {            workspace.register_action(|workspace, _: &ToggleFocus, cx| {                workspace.toggle_panel_focus::<GitPanel>(cx);            });        },    )    .detach();} #[derive(Debug)]pub enum Event {    Focus,} #[derive(Serialize, Deserialize)]struct SerializedGitPanel {    width: Option<Pixels>,} #[derive(Debug, PartialEq, Eq, Clone)]pub struct GitListEntry {    depth: usize,    display_name: String,    repo_path: RepoPath,    status: GitStatusPair,    toggle_state: ToggleState,} pub struct GitPanel {    current_modifiers: Modifiers,    focus_handle: FocusHandle,    fs: Arc<dyn Fs>,    hide_scrollbar_task: Option<Task<()>>,    pending_serialization: Task<Option<()>>,    project: Model<Project>,    scroll_handle: UniformListScrollHandle,    scrollbar_state: ScrollbarState,    selected_entry: Option<usize>,    show_scrollbar: bool,    rebuild_requested: Arc<AtomicBool>,    git_state: Model<GitState>,    status_style: StatusStyle,    commit_editor: View<Editor>,    /// The visible entries in the list, accounting for folding & expanded state.    ///    /// At this point it doesn't matter what repository the entry belongs to,    /// as only one repositories' entries are visible in the list at a time.    visible_entries: Vec<GitListEntry>,    width: Option<Pixels>,    reveal_in_editor: Task<()>,} fn status_to_toggle_state(status: &GitStatusPair) -> ToggleState {    match status.is_staged() {        Some(true) => ToggleState::Selected,        Some(false) => ToggleState::Unselected,        None => ToggleState::Indeterminate,    }} impl GitPanel {    pub fn load(        workspace: WeakView<Workspace>,        cx: AsyncWindowContext,    ) -> Task<Result<View<Self>>> {        cx.spawn(|mut cx| async move { workspace.update(&mut cx, Self::new) })    }     pub fn new(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> View<Self> {        let fs = workspace.app_state().fs.clone();        let project = workspace.project().clone();        let language_registry = workspace.app_state().languages.clone();        let git_state = GitState::get_global(cx);        let current_commit_message = {            let state = git_state.read(cx);            state.commit_message.clone()        };        let status_style = GitPanelSettings::get_global(cx).status_style;         let git_panel = cx.new_view(|cx: &mut ViewContext<Self>| {            let focus_handle = cx.focus_handle();            cx.on_focus(&focus_handle, Self::focus_in).detach();            cx.on_focus_out(&focus_handle, |this, _, cx| {                this.hide_scrollbar(cx);            })            .detach();            cx.subscribe(&project, move |this, project, event, cx| {                use project::Event;                 let first_worktree_id = project.read(cx).worktrees(cx).next().map(|worktree| {                    let snapshot = worktree.read(cx).snapshot();                    snapshot.id()                });                let first_repo_in_project = first_repository_in_project(&project, cx);                 // TODO: Don't get another git_state here                // was running into a borrow issue                let git_state = GitState::get_global(cx);                 match event {                    project::Event::WorktreeRemoved(id) => {                        git_state.update(cx, |state, _| {                            state.all_repositories.remove(id);                            let Some((worktree_id, _, _)) = state.active_repository.as_ref() else {                                return;                            };                            if worktree_id == id {                                state.active_repository = first_repo_in_project;                                this.schedule_update();                            }                        });                    }                    project::Event::WorktreeOrderChanged => {                        // activate the new first worktree if the first was moved                        let Some(first_id) = first_worktree_id else {                            return;                        };                        git_state.update(cx, |state, _| {                            if !state                                .active_repository                                .as_ref()                                .is_some_and(|(id, _, _)| id == &first_id)                            {                                state.active_repository = first_repo_in_project;                                this.schedule_update();                            }                        });                    }                    Event::WorktreeAdded(id) => {                        git_state.update(cx, |state, cx| {                            let Some(worktree) = project.read(cx).worktree_for_id(*id, cx) else {                                return;                            };                            let snapshot = worktree.read(cx).snapshot();                            state                                .all_repositories                                .insert(*id, snapshot.repositories().clone());                        });                        let Some(first_id) = first_worktree_id else {                            return;                        };                        git_state.update(cx, |state, _| {                            if !state                                .active_repository                                .as_ref()                                .is_some_and(|(id, _, _)| id == &first_id)                            {                                state.active_repository = first_repo_in_project;                                this.schedule_update();                            }                        });                    }                    project::Event::WorktreeUpdatedEntries(id, _) => {                        git_state.update(cx, |state, _| {                            if state                                .active_repository                                .as_ref()                                .is_some_and(|(active_id, _, _)| active_id == id)                            {                                this.schedule_update();                            }                        });                    }                    project::Event::WorktreeUpdatedGitRepositories(_) => {                        let Some(first) = first_repo_in_project else {                            return;                        };                        git_state.update(cx, |state, _| {                            if !state                                .active_repository                                .as_ref()                                .is_some_and(|(id, _, _)| id == &first.0)                            {                                state.active_repository = Some(first);                            }                            this.schedule_update();                        });                    }                    project::Event::Closed => {                        this.reveal_in_editor = Task::ready(());                        this.visible_entries.clear();                        // TODO cancel/clear task?                    }                    _ => {}                };            })            .detach();             let commit_editor = cx.new_view(|cx| {                let theme = ThemeSettings::get_global(cx);                 let mut text_style = cx.text_style();                let refinement = TextStyleRefinement {                    font_family: Some(theme.buffer_font.family.clone()),                    font_features: Some(FontFeatures::disable_ligatures()),                    font_size: Some(px(12.).into()),                    color: Some(cx.theme().colors().editor_foreground),                    background_color: Some(gpui::transparent_black()),                    ..Default::default()                };                 text_style.refine(&refinement);                 let mut commit_editor = Editor::auto_height(10, cx);                if let Some(message) = current_commit_message {                    commit_editor.set_text(message, cx);                } else {                    commit_editor.set_text("", cx);                }                commit_editor.set_use_autoclose(false);                commit_editor.set_show_gutter(false, cx);                commit_editor.set_show_wrap_guides(false, cx);                commit_editor.set_show_indent_guides(false, cx);                commit_editor.set_text_style_refinement(refinement);                commit_editor.set_placeholder_text("Enter commit message", cx);                commit_editor            });             let buffer = commit_editor                .read(cx)                .buffer()                .read(cx)                .as_singleton()                .expect("commit editor must be singleton");             cx.subscribe(&buffer, Self::on_buffer_event).detach();             let markdown = language_registry.language_for_name("Markdown");            cx.spawn(|_, mut cx| async move {                let markdown = markdown.await.context("failed to load Markdown language")?;                buffer.update(&mut cx, |buffer, cx| {                    buffer.set_language(Some(markdown), cx)                })            })            .detach_and_log_err(cx);             let scroll_handle = UniformListScrollHandle::new();             git_state.update(cx, |state, cx| {                let mut visible_worktrees = project.read(cx).visible_worktrees(cx);                let Some(first_worktree) = visible_worktrees.next() else {                    return;                };                drop(visible_worktrees);                let snapshot = first_worktree.read(cx).snapshot();                 if let Some((repo, git_repo)) =                    first_worktree_repository(&project, snapshot.id(), cx)                {                    state.activate_repository(snapshot.id(), repo, git_repo);                }            });             let rebuild_requested = Arc::new(AtomicBool::new(false));            let flag = rebuild_requested.clone();            let handle = cx.view().downgrade();            cx.spawn(|_, mut cx| async move {                loop {                    cx.background_executor().timer(UPDATE_DEBOUNCE).await;                    if flag.load(Ordering::Relaxed) {                        if let Some(this) = handle.upgrade() {                            this.update(&mut cx, |this, cx| {                                this.update_visible_entries(cx);                            })                            .ok();                        }                        flag.store(false, Ordering::Relaxed);                    }                }            })            .detach();             let mut git_panel = Self {                focus_handle: cx.focus_handle(),                fs,                pending_serialization: Task::ready(None),                visible_entries: Vec::new(),                current_modifiers: cx.modifiers(),                width: Some(px(360.)),                scrollbar_state: ScrollbarState::new(scroll_handle.clone()).parent_view(cx.view()),                scroll_handle,                selected_entry: None,                status_style,                show_scrollbar: !Self::should_autohide_scrollbar(cx),                hide_scrollbar_task: None,                rebuild_requested,                commit_editor,                git_state,                reveal_in_editor: Task::ready(()),                project,            };            git_panel.schedule_update();            git_panel        });         git_panel    }     fn serialize(&mut self, cx: &mut ViewContext<Self>) {        // TODO: we can store stage status here        let width = self.width;        self.pending_serialization = cx.background_executor().spawn(            async move {                KEY_VALUE_STORE                    .write_kvp(                        GIT_PANEL_KEY.into(),                        serde_json::to_string(&SerializedGitPanel { width })?,                    )                    .await?;                anyhow::Ok(())            }            .log_err(),        );    }     fn dispatch_context(&self, cx: &ViewContext<Self>) -> KeyContext {        let mut dispatch_context = KeyContext::new_with_defaults();        dispatch_context.add("GitPanel");         if self.is_focused(cx) {            dispatch_context.add("menu");            dispatch_context.add("ChangesList");        }         if self.commit_editor.read(cx).is_focused(cx) {            dispatch_context.add("CommitEditor");        }         dispatch_context    }     fn is_focused(&self, cx: &ViewContext<Self>) -> bool {        cx.focused()            .map_or(false, |focused| self.focus_handle == focused)    }     fn close_panel(&mut self, _: &Close, cx: &mut ViewContext<Self>) {        cx.emit(PanelEvent::Close);    }     fn focus_in(&mut self, cx: &mut ViewContext<Self>) {        if !self.focus_handle.contains_focused(cx) {            cx.emit(Event::Focus);        }    }     fn should_show_scrollbar(cx: &AppContext) -> bool {        let show = GitPanelSettings::get_global(cx)            .scrollbar            .show            .unwrap_or_else(|| EditorSettings::get_global(cx).scrollbar.show);        match show {            ShowScrollbar::Auto => true,            ShowScrollbar::System => true,            ShowScrollbar::Always => true,            ShowScrollbar::Never => false,        }    }     fn should_autohide_scrollbar(cx: &AppContext) -> bool {        let show = GitPanelSettings::get_global(cx)            .scrollbar            .show            .unwrap_or_else(|| EditorSettings::get_global(cx).scrollbar.show);        match show {            ShowScrollbar::Auto => true,            ShowScrollbar::System => cx                .try_global::<ScrollbarAutoHide>()                .map_or_else(|| cx.should_auto_hide_scrollbars(), |autohide| autohide.0),            ShowScrollbar::Always => false,            ShowScrollbar::Never => true,        }    }     fn hide_scrollbar(&mut self, cx: &mut ViewContext<Self>) {        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);        if !Self::should_autohide_scrollbar(cx) {            return;        }        self.hide_scrollbar_task = Some(cx.spawn(|panel, mut cx| async move {            cx.background_executor()                .timer(SCROLLBAR_SHOW_INTERVAL)                .await;            panel                .update(&mut cx, |panel, cx| {                    panel.show_scrollbar = false;                    cx.notify();                })                .log_err();        }))    }     fn handle_modifiers_changed(        &mut self,        event: &ModifiersChangedEvent,        cx: &mut ViewContext<Self>,    ) {        self.current_modifiers = event.modifiers;        cx.notify();    }     fn calculate_depth_and_difference(        repo_path: &RepoPath,        visible_entries: &HashSet<RepoPath>,    ) -> (usize, usize) {        let ancestors = repo_path.ancestors().skip(1);        for ancestor in ancestors {            if let Some(parent_entry) = visible_entries.get(ancestor) {                let entry_component_count = repo_path.components().count();                let parent_component_count = parent_entry.components().count();                 let difference = entry_component_count - parent_component_count;                 let parent_depth = parent_entry                    .ancestors()                    .skip(1) // Skip the parent itself                    .filter(|ancestor| visible_entries.contains(*ancestor))                    .count();                 return (parent_depth + 1, difference);            }        }         (0, 0)    }     fn scroll_to_selected_entry(&mut self, cx: &mut ViewContext<Self>) {        if let Some(selected_entry) = self.selected_entry {            self.scroll_handle                .scroll_to_item(selected_entry, ScrollStrategy::Center);        }         cx.notify();    }     fn select_first(&mut self, _: &SelectFirst, cx: &mut ViewContext<Self>) {        if self.visible_entries.first().is_some() {            self.selected_entry = Some(0);            self.scroll_to_selected_entry(cx);        }    }     fn select_prev(&mut self, _: &SelectPrev, cx: &mut ViewContext<Self>) {        let item_count = self.visible_entries.len();        if item_count == 0 {            return;        }         if let Some(selected_entry) = self.selected_entry {            let new_selected_entry = if selected_entry > 0 {                selected_entry - 1            } else {

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