1use anyhow::{Context as _, Result};
2use buffer_diff::BufferDiff;
3use collections::HashMap;
4use editor::display_map::{BlockPlacement, BlockProperties, BlockStyle};
5use editor::{Addon, Editor, EditorEvent, ExcerptRange, MultiBuffer, multibuffer_context_lines};
6use feature_flags::{FeatureFlagAppExt as _, GitGraphFeatureFlag};
7use git::repository::{CommitDetails, CommitDiff, RepoPath, is_binary_content};
8use git::status::{FileStatus, StatusCode, TrackedStatus};
9use git::{
10 BuildCommitPermalinkParams, GitHostingProviderRegistry, GitRemote, ParsedGitRemote,
11 parse_git_remote_url,
12};
13use gpui::{
14 AnyElement, App, AppContext as _, AsyncApp, AsyncWindowContext, ClipboardItem, Context, Entity,
15 EventEmitter, FocusHandle, Focusable, InteractiveElement, IntoElement, ParentElement,
16 PromptLevel, Render, Styled, Task, WeakEntity, Window, actions,
17};
18use language::{
19 Anchor, Buffer, Capability, DiskState, File, LanguageRegistry, LineEnding, OffsetRangeExt as _,
20 Point, ReplicaId, Rope, TextBuffer,
21};
22use multi_buffer::PathKey;
23use project::{Project, WorktreeId, git_store::Repository};
24use std::{
25 any::{Any, TypeId},
26 collections::HashSet,
27 path::PathBuf,
28 sync::Arc,
29};
30use theme::ActiveTheme;
31use ui::{DiffStat, Divider, Tooltip, prelude::*};
32use util::{ResultExt, paths::PathStyle, rel_path::RelPath, truncate_and_trailoff};
33use workspace::item::TabTooltipContent;
34use workspace::{
35 Item, ItemHandle, ItemNavHistory, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView,
36 Workspace,
37 item::{ItemEvent, TabContentParams},
38 notifications::NotifyTaskExt,
39 pane::SaveIntent,
40 searchable::SearchableItemHandle,
41};
42
43use crate::commit_tooltip::CommitAvatar;
44use crate::git_panel::GitPanel;
45
46actions!(git, [ApplyCurrentStash, PopCurrentStash, DropCurrentStash,]);
47
48pub fn init(cx: &mut App) {
49 cx.observe_new(|workspace: &mut Workspace, _window, _cx| {
50 workspace.register_action(|workspace, _: &ApplyCurrentStash, window, cx| {
51 CommitView::apply_stash(workspace, window, cx);
52 });
53 workspace.register_action(|workspace, _: &DropCurrentStash, window, cx| {
54 CommitView::remove_stash(workspace, window, cx);
55 });
56 workspace.register_action(|workspace, _: &PopCurrentStash, window, cx| {
57 CommitView::pop_stash(workspace, window, cx);
58 });
59 })
60 .detach();
61}
62
63pub struct CommitView {
64 commit: CommitDetails,
65 editor: Entity<Editor>,
66 stash: Option<usize>,
67 multibuffer: Entity<MultiBuffer>,
68 repository: Entity<Repository>,
69 remote: Option<GitRemote>,
70}
71
72struct GitBlob {
73 path: RepoPath,
74 worktree_id: WorktreeId,
75 is_deleted: bool,
76 is_binary: bool,
77 display_name: String,
78}
79
80struct CommitDiffAddon {
81 file_statuses: HashMap<language::BufferId, FileStatus>,
82}
83
84impl Addon for CommitDiffAddon {
85 fn to_any(&self) -> &dyn std::any::Any {
86 self
87 }
88
89 fn override_status_for_buffer_id(
90 &self,
91 buffer_id: language::BufferId,
92 _cx: &App,
93 ) -> Option<FileStatus> {
94 self.file_statuses.get(&buffer_id).copied()
95 }
96}
97
98const COMMIT_MESSAGE_SORT_PREFIX: u64 = 0;
99const FILE_NAMESPACE_SORT_PREFIX: u64 = 1;
100
101impl CommitView {
102 pub fn open(
103 commit_sha: String,
104 repo: WeakEntity<Repository>,
105 workspace: WeakEntity<Workspace>,
106 stash: Option<usize>,
107 file_filter: Option<RepoPath>,
108 window: &mut Window,
109 cx: &mut App,
110 ) {
111 let commit_diff = repo
112 .update(cx, |repo, _| repo.load_commit_diff(commit_sha.clone()))
113 .ok();
114 let commit_details = repo
115 .update(cx, |repo, _| repo.show(commit_sha.clone()))
116 .ok();
117
118 window
119 .spawn(cx, async move |cx| {
120 let (commit_diff, commit_details) = futures::join!(commit_diff?, commit_details?);
121 let mut commit_diff = commit_diff.log_err()?.log_err()?;
122 let commit_details = commit_details.log_err()?.log_err()?;
123
124 // Filter to specific file if requested
125 if let Some(ref filter_path) = file_filter {
126 commit_diff.files.retain(|f| &f.path == filter_path);
127 }
128
129 let repo = repo.upgrade()?;
130
131 workspace
132 .update_in(cx, |workspace, window, cx| {
133 let project = workspace.project();
134 let commit_view = cx.new(|cx| {
135 CommitView::new(
136 commit_details,
137 commit_diff,
138 repo,
139 project.clone(),
140 stash,
141 window,
142 cx,
143 )
144 });
145
146 let pane = workspace.active_pane();
147 pane.update(cx, |pane, cx| {
148 let ix = pane.items().position(|item| {
149 let commit_view = item.downcast::<CommitView>();
150 commit_view
151 .is_some_and(|view| view.read(cx).commit.sha == commit_sha)
152 });
153 if let Some(ix) = ix {
154 pane.activate_item(ix, true, true, window, cx);
155 } else {
156 pane.add_item(Box::new(commit_view), true, true, None, window, cx);
157 }
158 })
159 })
160 .log_err()
161 })
162 .detach();
163 }
164
165 fn new(
166 commit: CommitDetails,
167 commit_diff: CommitDiff,
168 repository: Entity<Repository>,
169 project: Entity<Project>,
170 stash: Option<usize>,
171 window: &mut Window,
172 cx: &mut Context<Self>,
173 ) -> Self {
174 let language_registry = project.read(cx).languages().clone();
175 let multibuffer = cx.new(|_| MultiBuffer::new(Capability::ReadOnly));
176
177 let message_buffer = cx.new(|cx| {
178 let mut buffer = Buffer::local(commit.message.clone(), cx);
179 buffer.set_capability(Capability::ReadOnly, cx);
180 buffer
181 });
182
183 multibuffer.update(cx, |multibuffer, cx| {
184 let snapshot = message_buffer.read(cx).snapshot();
185 let full_range = Point::zero()..snapshot.max_point();
186 let range = ExcerptRange {
187 context: full_range.clone(),
188 primary: full_range,
189 };
190 multibuffer.set_excerpt_ranges_for_path(
191 PathKey::with_sort_prefix(
192 COMMIT_MESSAGE_SORT_PREFIX,
193 RelPath::unix("commit message").unwrap().into(),
194 ),
195 message_buffer.clone(),
196 &snapshot,
197 vec![range],
198 cx,
199 )
200 });
201
202 let editor = cx.new(|cx| {
203 let mut editor =
204 Editor::for_multibuffer(multibuffer.clone(), Some(project.clone()), window, cx);
205
206 editor.disable_inline_diagnostics();
207 editor.set_show_breakpoints(false, cx);
208 editor.set_show_diff_review_button(true, cx);
209 editor.set_expand_all_diff_hunks(cx);
210 editor.disable_header_for_buffer(message_buffer.read(cx).remote_id(), cx);
211 editor.disable_indent_guides_for_buffer(message_buffer.read(cx).remote_id(), cx);
212
213 editor.insert_blocks(
214 [BlockProperties {
215 placement: BlockPlacement::Above(editor::Anchor::min()),
216 height: Some(1),
217 style: BlockStyle::Sticky,
218 render: Arc::new(|_| gpui::Empty.into_any_element()),
219 priority: 0,
220 }]
221 .into_iter()
222 .chain(
223 editor
224 .buffer()
225 .read(cx)
226 .buffer_anchor_to_anchor(&message_buffer, Anchor::MAX, cx)
227 .map(|anchor| BlockProperties {
228 placement: BlockPlacement::Below(anchor),
229 height: Some(1),
230 style: BlockStyle::Sticky,
231 render: Arc::new(|_| gpui::Empty.into_any_element()),
232 priority: 0,
233 }),
234 ),
235 None,
236 cx,
237 );
238
239 editor
240 });
241
242 let commit_sha = Arc::<str>::from(commit.sha.as_ref());
243
244 let first_worktree_id = project
245 .read(cx)
246 .worktrees(cx)
247 .next()
248 .map(|worktree| worktree.read(cx).id());
249
250 let repository_clone = repository.clone();
251
252 cx.spawn(async move |this, cx| {
253 let mut binary_buffer_ids: HashSet<language::BufferId> = HashSet::default();
254 let mut file_statuses: HashMap<language::BufferId, FileStatus> = HashMap::default();
255
256 for file in commit_diff.files {
257 let is_created = file.old_text.is_none();
258 let is_deleted = file.new_text.is_none();
259 let raw_new_text = file.new_text.unwrap_or_default();
260 let raw_old_text = file.old_text;
261
262 let is_binary = file.is_binary
263 || is_binary_content(raw_new_text.as_bytes())
264 || raw_old_text
265 .as_ref()
266 .is_some_and(|text| is_binary_content(text.as_bytes()));
267
268 let new_text = if is_binary {
269 "(binary file not shown)".to_string()
270 } else {
271 raw_new_text
272 };
273 let old_text = if is_binary { None } else { raw_old_text };
274 let worktree_id = repository_clone
275 .update(cx, |repository, cx| {
276 repository
277 .repo_path_to_project_path(&file.path, cx)
278 .map(|path| path.worktree_id)
279 .or(first_worktree_id)
280 })
281 .context("project has no worktrees")?;
282 let short_sha = commit_sha.get(0..7).unwrap_or(&commit_sha);
283 let file_name = file
284 .path
285 .file_name()
286 .map(|name| name.to_string())
287 .unwrap_or_else(|| file.path.display(PathStyle::local()).to_string());
288 let display_name = format!("{short_sha} - {file_name}");
289
290 let file = Arc::new(GitBlob {
291 path: file.path.clone(),
292 is_deleted,
293 is_binary,
294 worktree_id,
295 display_name,
296 }) as Arc<dyn language::File>;
297
298 let buffer = build_buffer(new_text, file, &language_registry, cx).await?;
299 let buffer_id = cx.update(|cx| buffer.read(cx).remote_id());
300
301 let status_code = if is_created {
302 StatusCode::Added
303 } else if is_deleted {
304 StatusCode::Deleted
305 } else {
306 StatusCode::Modified
307 };
308 file_statuses.insert(
309 buffer_id,
310 FileStatus::Tracked(TrackedStatus {
311 index_status: status_code,
312 worktree_status: StatusCode::Unmodified,
313 }),
314 );
315
316 if is_binary {
317 binary_buffer_ids.insert(buffer_id);
318 }
319
320 let buffer_diff = if is_binary {
321 None
322 } else {
323 Some(build_buffer_diff(old_text, &buffer, &language_registry, cx).await?)
324 };
325
326 this.update(cx, |this, cx| {
327 this.multibuffer.update(cx, |multibuffer, cx| {
328 let snapshot = buffer.read(cx).snapshot();
329 let path = snapshot.file().unwrap().path().clone();
330 let excerpt_ranges = if is_binary {
331 vec![language::Point::zero()..snapshot.max_point()]
332 } else if let Some(buffer_diff) = &buffer_diff {
333 let diff_snapshot = buffer_diff.read(cx).snapshot(cx);
334 let mut hunks = diff_snapshot.hunks(&snapshot).peekable();
335 if hunks.peek().is_none() {
336 vec![language::Point::zero()..snapshot.max_point()]
337 } else {
338 hunks
339 .map(|hunk| hunk.buffer_range.to_point(&snapshot))
340 .collect::<Vec<_>>()
341 }
342 } else {
343 vec![language::Point::zero()..snapshot.max_point()]
344 };
345
346 let _is_newly_added = multibuffer.set_excerpts_for_path(
347 PathKey::with_sort_prefix(FILE_NAMESPACE_SORT_PREFIX, path),
348 buffer,
349 excerpt_ranges,
350 multibuffer_context_lines(cx),
351 cx,
352 );
353 if let Some(buffer_diff) = buffer_diff {
354 multibuffer.add_diff(buffer_diff, cx);
355 }
356 });
357 })?;
358 }
359
360 this.update(cx, |this, cx| {
361 this.editor.update(cx, |editor, _cx| {
362 editor.register_addon(CommitDiffAddon { file_statuses });
363 });
364 if !binary_buffer_ids.is_empty() {
365 this.editor.update(cx, |editor, cx| {
366 editor.fold_buffers(binary_buffer_ids, cx);
367 });
368 }
369 })?;
370
371 anyhow::Ok(())
372 })
373 .detach();
374
375 let snapshot = repository.read(cx).snapshot();
376 let remote_url = snapshot
377 .remote_upstream_url
378 .as_ref()
379 .or(snapshot.remote_origin_url.as_ref());
380
381 let remote = remote_url.and_then(|url| {
382 let provider_registry = GitHostingProviderRegistry::default_global(cx);
383 parse_git_remote_url(provider_registry, url).map(|(host, parsed)| GitRemote {
384 host,
385 owner: parsed.owner.into(),
386 repo: parsed.repo.into(),
387 })
388 });
389
390 Self {
391 commit,
392 editor,
393 multibuffer,
394 stash,
395 repository,
396 remote,
397 }
398 }
399
400 fn render_commit_avatar(
401 &self,
402 sha: &SharedString,
403 size: impl Into<gpui::AbsoluteLength>,
404 window: &mut Window,
405 cx: &mut App,
406 ) -> AnyElement {
407 CommitAvatar::new(
408 sha,
409 Some(self.commit.author_email.clone()),
410 self.remote.as_ref(),
411 )
412 .size(size)
413 .render(window, cx)
414 }
415
416 fn calculate_changed_lines(&self, cx: &App) -> (u32, u32) {
417 self.multibuffer.read(cx).snapshot(cx).total_changed_lines()
418 }
419
420 fn render_header(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
421 let commit = &self.commit;
422 let author_name = commit.author_name.clone();
423 let author_email = commit.author_email.clone();
424 let commit_sha = commit.sha.clone();
425 let commit_date = time::OffsetDateTime::from_unix_timestamp(commit.commit_timestamp)
426 .unwrap_or_else(|_| time::OffsetDateTime::now_utc());
427 let local_offset = time::UtcOffset::current_local_offset().unwrap_or(time::UtcOffset::UTC);
428 let date_string = time_format::format_localized_timestamp(
429 commit_date,
430 time::OffsetDateTime::now_utc(),
431 local_offset,
432 time_format::TimestampFormat::MediumAbsolute,
433 );
434
435 let gutter_width = self.editor.update(cx, |editor, cx| {
436 let snapshot = editor.snapshot(window, cx);
437 let style = editor.style(cx);
438 let font_id = window.text_system().resolve_font(&style.text.font());
439 let font_size = style.text.font_size.to_pixels(window.rem_size());
440 snapshot
441 .gutter_dimensions(font_id, font_size, style, window, cx)
442 .full_width()
443 });
444
445 let clipboard_has_sha = cx
446 .read_from_clipboard()
447 .and_then(|entry| entry.text())
448 .map_or(false, |clipboard_text| {
449 clipboard_text.trim() == commit_sha.as_ref()
450 });
451
452 let (copy_icon, copy_icon_color) = if clipboard_has_sha {
453 (IconName::Check, Color::Success)
454 } else {
455 (IconName::Copy, Color::Muted)
456 };
457
458 h_flex()
459 .py_2()
460 .pr_2p5()
461 .w_full()
462 .justify_between()
463 .border_b_1()
464 .border_color(cx.theme().colors().border_variant)
465 .child(
466 h_flex()
467 .child(h_flex().w(gutter_width).justify_center().child(
468 self.render_commit_avatar(&commit.sha, rems_from_px(40.), window, cx),
469 ))
470 .child(
471 v_flex().child(Label::new(author_name)).child(
472 h_flex()
473 .gap_1p5()
474 .child(
475 Label::new(date_string)
476 .color(Color::Muted)
477 .size(LabelSize::Small),
478 )
479 .child(
480 Label::new("•")
481 .size(LabelSize::Small)
482 .color(Color::Muted)
483 .alpha(0.5),
484 )
485 .child(
486 Label::new(author_email)
487 .color(Color::Muted)
488 .size(LabelSize::Small),
489 ),
490 ),
491 ),
492 )
493 .when(self.stash.is_none(), |this| {
494 this.child(
495 Button::new("sha", "Commit SHA")
496 .start_icon(
497 Icon::new(copy_icon)
498 .size(IconSize::Small)
499 .color(copy_icon_color),
500 )
501 .tooltip({
502 let commit_sha = commit_sha.clone();
503 move |_, cx| {
504 Tooltip::with_meta("Copy Commit SHA", None, commit_sha.clone(), cx)
505 }
506 })
507 .on_click(move |_, _, cx| {
508 cx.stop_propagation();
509 cx.write_to_clipboard(ClipboardItem::new_string(
510 commit_sha.to_string(),
511 ));
512 }),
513 )
514 })
515 }
516
517 fn apply_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
518 Self::stash_action(
519 workspace,
520 "Apply",
521 window,
522 cx,
523 async move |repository, sha, stash, commit_view, workspace, cx| {
524 let result = repository.update(cx, |repo, cx| {
525 if !stash_matches_index(&sha, stash, repo) {
526 return Err(anyhow::anyhow!("Stash has changed, not applying"));
527 }
528 Ok(repo.stash_apply(Some(stash), cx))
529 });
530
531 match result {
532 Ok(task) => task.await?,
533 Err(err) => {
534 Self::close_commit_view(commit_view, workspace, cx).await?;
535 return Err(err);
536 }
537 };
538 Self::close_commit_view(commit_view, workspace, cx).await?;
539 anyhow::Ok(())
540 },
541 );
542 }
543
544 fn pop_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
545 Self::stash_action(
546 workspace,
547 "Pop",
548 window,
549 cx,
550 async move |repository, sha, stash, commit_view, workspace, cx| {
551 let result = repository.update(cx, |repo, cx| {
552 if !stash_matches_index(&sha, stash, repo) {
553 return Err(anyhow::anyhow!("Stash has changed, pop aborted"));
554 }
555 Ok(repo.stash_pop(Some(stash), cx))
556 });
557
558 match result {
559 Ok(task) => task.await?,
560 Err(err) => {
561 Self::close_commit_view(commit_view, workspace, cx).await?;
562 return Err(err);
563 }
564 };
565 Self::close_commit_view(commit_view, workspace, cx).await?;
566 anyhow::Ok(())
567 },
568 );
569 }
570
571 fn remove_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
572 Self::stash_action(
573 workspace,
574 "Drop",
575 window,
576 cx,
577 async move |repository, sha, stash, commit_view, workspace, cx| {
578 let result = repository.update(cx, |repo, cx| {
579 if !stash_matches_index(&sha, stash, repo) {
580 return Err(anyhow::anyhow!("Stash has changed, drop aborted"));
581 }
582 Ok(repo.stash_drop(Some(stash), cx))
583 });
584
585 match result {
586 Ok(task) => task.await??,
587 Err(err) => {
588 Self::close_commit_view(commit_view, workspace, cx).await?;
589 return Err(err);
590 }
591 };
592 Self::close_commit_view(commit_view, workspace, cx).await?;
593 anyhow::Ok(())
594 },
595 );
596 }
597
598 fn stash_action<AsyncFn>(
599 workspace: &mut Workspace,
600 str_action: &str,
601 window: &mut Window,
602 cx: &mut App,
603 callback: AsyncFn,
604 ) where
605 AsyncFn: AsyncFnOnce(
606 Entity<Repository>,
607 &SharedString,
608 usize,
609 Entity<CommitView>,
610 WeakEntity<Workspace>,
611 &mut AsyncWindowContext,
612 ) -> anyhow::Result<()>
613 + 'static,
614 {
615 let Some(commit_view) = workspace.active_item_as::<CommitView>(cx) else {
616 return;
617 };
618 let Some(stash) = commit_view.read(cx).stash else {
619 return;
620 };
621 let sha = commit_view.read(cx).commit.sha.clone();
622 let answer = window.prompt(
623 PromptLevel::Info,
624 &format!("{} stash@{{{}}}?", str_action, stash),
625 None,
626 &[str_action, "Cancel"],
627 cx,
628 );
629
630 let workspace_weak = workspace.weak_handle();
631 let commit_view_entity = commit_view;
632
633 window
634 .spawn(cx, async move |cx| {
635 if answer.await != Ok(0) {
636 return anyhow::Ok(());
637 }
638
639 let Some(workspace) = workspace_weak.upgrade() else {
640 return Ok(());
641 };
642
643 let repo = workspace.update(cx, |workspace, cx| {
644 workspace
645 .panel::<GitPanel>(cx)
646 .and_then(|p| p.read(cx).active_repository.clone())
647 });
648
649 let Some(repo) = repo else {
650 return Ok(());
651 };
652
653 callback(repo, &sha, stash, commit_view_entity, workspace_weak, cx).await?;
654 anyhow::Ok(())
655 })
656 .detach_and_notify_err(workspace.weak_handle(), window, cx);
657 }
658
659 async fn close_commit_view(
660 commit_view: Entity<CommitView>,
661 workspace: WeakEntity<Workspace>,
662 cx: &mut AsyncWindowContext,
663 ) -> anyhow::Result<()> {
664 workspace
665 .update_in(cx, |workspace, window, cx| {
666 let active_pane = workspace.active_pane();
667 let commit_view_id = commit_view.entity_id();
668 active_pane.update(cx, |pane, cx| {
669 pane.close_item_by_id(commit_view_id, SaveIntent::Skip, window, cx)
670 })
671 })?
672 .await?;
673 anyhow::Ok(())
674 }
675}
676
677impl language::File for GitBlob {
678 fn as_local(&self) -> Option<&dyn language::LocalFile> {
679 None
680 }
681
682 fn disk_state(&self) -> DiskState {
683 DiskState::Historic {
684 was_deleted: self.is_deleted,
685 }
686 }
687
688 fn path_style(&self, _: &App) -> PathStyle {
689 PathStyle::local()
690 }
691
692 fn path(&self) -> &Arc<RelPath> {
693 self.path.as_ref()
694 }
695
696 fn full_path(&self, _: &App) -> PathBuf {
697 self.path.as_std_path().to_path_buf()
698 }
699
700 fn file_name<'a>(&'a self, _: &'a App) -> &'a str {
701 self.display_name.as_ref()
702 }
703
704 fn worktree_id(&self, _: &App) -> WorktreeId {
705 self.worktree_id
706 }
707
708 fn to_proto(&self, _cx: &App) -> language::proto::File {
709 unimplemented!()
710 }
711
712 fn is_private(&self) -> bool {
713 false
714 }
715
716 fn can_open(&self) -> bool {
717 !self.is_binary
718 }
719}
720
721async fn build_buffer(
722 mut text: String,
723 blob: Arc<dyn File>,
724 language_registry: &Arc<language::LanguageRegistry>,
725 cx: &mut AsyncApp,
726) -> Result<Entity<Buffer>> {
727 let line_ending = LineEnding::detect(&text);
728 LineEnding::normalize(&mut text);
729 let text = Rope::from(text);
730 let language = cx.update(|cx| language_registry.language_for_file(&blob, Some(&text), cx));
731 let language = if let Some(language) = language {
732 language_registry
733 .load_language(&language)
734 .await
735 .ok()
736 .and_then(|e| e.log_err())
737 } else {
738 None
739 };
740 let buffer = cx.new(|cx| {
741 let buffer = TextBuffer::new_normalized(
742 ReplicaId::LOCAL,
743 cx.entity_id().as_non_zero_u64().into(),
744 line_ending,
745 text,
746 );
747 let mut buffer = Buffer::build(buffer, Some(blob), Capability::ReadWrite);
748 buffer.set_language_async(language, cx);
749 buffer
750 });
751 Ok(buffer)
752}
753
754async fn build_buffer_diff(
755 mut old_text: Option<String>,
756 buffer: &Entity<Buffer>,
757 language_registry: &Arc<LanguageRegistry>,
758 cx: &mut AsyncApp,
759) -> Result<Entity<BufferDiff>> {
760 if let Some(old_text) = &mut old_text {
761 LineEnding::normalize(old_text);
762 }
763
764 let language = cx.update(|cx| buffer.read(cx).language().cloned());
765 let buffer = cx.update(|cx| buffer.read(cx).snapshot());
766
767 let diff = cx.new(|cx| BufferDiff::new(&buffer.text, cx));
768
769 let update = diff
770 .update(cx, |diff, cx| {
771 diff.update_diff(
772 buffer.text.clone(),
773 old_text.map(|old_text| Arc::from(old_text.as_str())),
774 Some(true),
775 language.clone(),
776 cx,
777 )
778 })
779 .await;
780
781 diff.update(cx, |diff, cx| {
782 diff.language_changed(language, Some(language_registry.clone()), cx);
783 diff.set_snapshot(update, &buffer.text, cx)
784 })
785 .await;
786
787 Ok(diff)
788}
789
790impl EventEmitter<EditorEvent> for CommitView {}
791
792impl Focusable for CommitView {
793 fn focus_handle(&self, cx: &App) -> FocusHandle {
794 self.editor.focus_handle(cx)
795 }
796}
797
798impl Item for CommitView {
799 type Event = EditorEvent;
800
801 fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
802 Some(Icon::new(IconName::GitCommit).color(Color::Muted))
803 }
804
805 fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
806 Label::new(self.tab_content_text(params.detail.unwrap_or_default(), cx))
807 .color(if params.selected {
808 Color::Default
809 } else {
810 Color::Muted
811 })
812 .into_any_element()
813 }
814
815 fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
816 let short_sha = self.commit.sha.get(0..7).unwrap_or(&*self.commit.sha);
817 let subject = truncate_and_trailoff(self.commit.message.split('\n').next().unwrap(), 20);
818 format!("{short_sha} — {subject}").into()
819 }
820
821 fn tab_tooltip_content(&self, _: &App) -> Option<TabTooltipContent> {
822 let short_sha = self.commit.sha.get(0..16).unwrap_or(&*self.commit.sha);
823 let subject = self.commit.message.split('\n').next().unwrap();
824
825 Some(TabTooltipContent::Custom(Box::new(Tooltip::element({
826 let subject = subject.to_string();
827 let short_sha = short_sha.to_string();
828
829 move |_, _| {
830 v_flex()
831 .child(Label::new(subject.clone()))
832 .child(
833 Label::new(short_sha.clone())
834 .color(Color::Muted)
835 .size(LabelSize::Small),
836 )
837 .into_any_element()
838 }
839 }))))
840 }
841
842 fn to_item_events(event: &EditorEvent, f: &mut dyn FnMut(ItemEvent)) {
843 Editor::to_item_events(event, f)
844 }
845
846 fn telemetry_event_text(&self) -> Option<&'static str> {
847 Some("Commit View Opened")
848 }
849
850 fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
851 self.editor
852 .update(cx, |editor, cx| editor.deactivated(window, cx));
853 }
854
855 fn act_as_type<'a>(
856 &'a self,
857 type_id: TypeId,
858 self_handle: &'a Entity<Self>,
859 _: &'a App,
860 ) -> Option<gpui::AnyEntity> {
861 if type_id == TypeId::of::<Self>() {
862 Some(self_handle.clone().into())
863 } else if type_id == TypeId::of::<Editor>() {
864 Some(self.editor.clone().into())
865 } else {
866 None
867 }
868 }
869
870 fn as_searchable(&self, _: &Entity<Self>, _: &App) -> Option<Box<dyn SearchableItemHandle>> {
871 Some(Box::new(self.editor.clone()))
872 }
873
874 fn for_each_project_item(
875 &self,
876 cx: &App,
877 f: &mut dyn FnMut(gpui::EntityId, &dyn project::ProjectItem),
878 ) {
879 self.editor.for_each_project_item(cx, f)
880 }
881
882 fn set_nav_history(
883 &mut self,
884 nav_history: ItemNavHistory,
885 _: &mut Window,
886 cx: &mut Context<Self>,
887 ) {
888 self.editor.update(cx, |editor, _| {
889 editor.set_nav_history(Some(nav_history));
890 });
891 }
892
893 fn navigate(
894 &mut self,
895 data: Arc<dyn Any + Send>,
896 window: &mut Window,
897 cx: &mut Context<Self>,
898 ) -> bool {
899 self.editor
900 .update(cx, |editor, cx| editor.navigate(data, window, cx))
901 }
902
903 fn added_to_workspace(
904 &mut self,
905 workspace: &mut Workspace,
906 window: &mut Window,
907 cx: &mut Context<Self>,
908 ) {
909 self.editor.update(cx, |editor, cx| {
910 editor.added_to_workspace(workspace, window, cx)
911 });
912 }
913
914 fn can_split(&self) -> bool {
915 true
916 }
917
918 fn clone_on_split(
919 &self,
920 _workspace_id: Option<workspace::WorkspaceId>,
921 window: &mut Window,
922 cx: &mut Context<Self>,
923 ) -> Task<Option<Entity<Self>>>
924 where
925 Self: Sized,
926 {
927 let file_statuses = self
928 .editor
929 .read(cx)
930 .addon::<CommitDiffAddon>()
931 .map(|addon| addon.file_statuses.clone())
932 .unwrap_or_default();
933 Task::ready(Some(cx.new(|cx| {
934 let editor = cx.new({
935 let file_statuses = file_statuses.clone();
936 |cx| {
937 let mut editor = self
938 .editor
939 .update(cx, |editor, cx| editor.clone(window, cx));
940 editor.register_addon(CommitDiffAddon { file_statuses });
941 editor
942 }
943 });
944 let multibuffer = editor.read(cx).buffer().clone();
945 Self {
946 editor,
947 multibuffer,
948 commit: self.commit.clone(),
949 stash: self.stash,
950 repository: self.repository.clone(),
951 remote: self.remote.clone(),
952 }
953 })))
954 }
955}
956
957impl Render for CommitView {
958 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
959 let is_stash = self.stash.is_some();
960
961 v_flex()
962 .key_context(if is_stash { "StashDiff" } else { "CommitDiff" })
963 .size_full()
964 .bg(cx.theme().colors().editor_background)
965 .child(self.render_header(window, cx))
966 .when(!self.editor.read(cx).is_empty(cx), |this| {
967 this.child(div().flex_grow().child(self.editor.clone()))
968 })
969 }
970}
971
972pub struct CommitViewToolbar {
973 commit_view: Option<WeakEntity<CommitView>>,
974}
975
976impl CommitViewToolbar {
977 pub fn new() -> Self {
978 Self { commit_view: None }
979 }
980}
981
982impl EventEmitter<ToolbarItemEvent> for CommitViewToolbar {}
983
984impl Render for CommitViewToolbar {
985 fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
986 let Some(commit_view) = self.commit_view.as_ref().and_then(|w| w.upgrade()) else {
987 return div();
988 };
989
990 let commit_view_ref = commit_view.read(cx);
991 let is_stash = commit_view_ref.stash.is_some();
992
993 let (additions, deletions) = commit_view_ref.calculate_changed_lines(cx);
994
995 let commit_sha = commit_view_ref.commit.sha.clone();
996
997 let remote_info = commit_view_ref.remote.as_ref().map(|remote| {
998 let provider = remote.host.name();
999 let parsed_remote = ParsedGitRemote {
1000 owner: remote.owner.as_ref().into(),
1001 repo: remote.repo.as_ref().into(),
1002 };
1003 let params = BuildCommitPermalinkParams { sha: &commit_sha };
1004 let url = remote
1005 .host
1006 .build_commit_permalink(&parsed_remote, params)
1007 .to_string();
1008 (provider, url)
1009 });
1010
1011 let sha_for_graph = commit_sha.to_string();
1012
1013 h_flex()
1014 .gap_1()
1015 .when(additions > 0 || deletions > 0, |this| {
1016 this.child(
1017 h_flex()
1018 .gap_2()
1019 .child(DiffStat::new(
1020 "toolbar-diff-stat",
1021 additions as usize,
1022 deletions as usize,
1023 ))
1024 .child(Divider::vertical()),
1025 )
1026 })
1027 .child(
1028 IconButton::new("buffer-search", IconName::MagnifyingGlass)
1029 .icon_size(IconSize::Small)
1030 .tooltip(move |_, cx| {
1031 Tooltip::for_action(
1032 "Buffer Search",
1033 &zed_actions::buffer_search::Deploy::find(),
1034 cx,
1035 )
1036 })
1037 .on_click(|_, window, cx| {
1038 window.dispatch_action(
1039 Box::new(zed_actions::buffer_search::Deploy::find()),
1040 cx,
1041 );
1042 }),
1043 )
1044 .when(!is_stash, |this| {
1045 this.when(cx.has_flag::<GitGraphFeatureFlag>(), |this| {
1046 this.child(
1047 IconButton::new("show-in-git-graph", IconName::GitGraph)
1048 .icon_size(IconSize::Small)
1049 .tooltip(Tooltip::text("Show in Git Graph"))
1050 .on_click(move |_, window, cx| {
1051 window.dispatch_action(
1052 Box::new(crate::git_panel::OpenAtCommit {
1053 sha: sha_for_graph.clone(),
1054 }),
1055 cx,
1056 );
1057 }),
1058 )
1059 })
1060 .children(remote_info.map(|(provider_name, url)| {
1061 let icon = match provider_name.as_str() {
1062 "GitHub" => IconName::Github,
1063 _ => IconName::Link,
1064 };
1065
1066 IconButton::new("view_on_provider", icon)
1067 .icon_size(IconSize::Small)
1068 .tooltip(Tooltip::text(format!("View on {}", provider_name)))
1069 .on_click(move |_, _, cx| cx.open_url(&url))
1070 }))
1071 })
1072 }
1073}
1074
1075impl ToolbarItemView for CommitViewToolbar {
1076 fn set_active_pane_item(
1077 &mut self,
1078 active_pane_item: Option<&dyn ItemHandle>,
1079 _: &mut Window,
1080 cx: &mut Context<Self>,
1081 ) -> ToolbarItemLocation {
1082 if let Some(entity) = active_pane_item.and_then(|i| i.act_as::<CommitView>(cx)) {
1083 self.commit_view = Some(entity.downgrade());
1084 return ToolbarItemLocation::PrimaryRight;
1085 }
1086 self.commit_view = None;
1087 ToolbarItemLocation::Hidden
1088 }
1089
1090 fn pane_focus_update(
1091 &mut self,
1092 _pane_focused: bool,
1093 _window: &mut Window,
1094 _cx: &mut Context<Self>,
1095 ) {
1096 }
1097}
1098
1099fn stash_matches_index(sha: &str, stash_index: usize, repo: &Repository) -> bool {
1100 repo.stash_entries
1101 .entries
1102 .get(stash_index)
1103 .map(|entry| entry.oid.to_string() == sha)
1104 .unwrap_or(false)
1105}