1use anyhow::{Context as _, Result};
2use buffer_diff::{BufferDiff, BufferDiffSnapshot};
3use editor::display_map::{BlockPlacement, BlockProperties, BlockStyle};
4use editor::{Editor, EditorEvent, ExcerptRange, MultiBuffer, multibuffer_context_lines};
5use git::repository::{CommitDetails, CommitDiff, RepoPath};
6use git::{GitHostingProviderRegistry, GitRemote, parse_git_remote_url};
7use gpui::{
8 AnyElement, App, AppContext as _, AsyncApp, AsyncWindowContext, Context, Element, Entity,
9 EventEmitter, FocusHandle, Focusable, InteractiveElement, IntoElement, ParentElement,
10 PromptLevel, Render, Styled, Task, WeakEntity, Window, actions,
11};
12use language::{
13 Anchor, Buffer, Capability, DiskState, File, LanguageRegistry, LineEnding, OffsetRangeExt as _,
14 Point, ReplicaId, Rope, TextBuffer,
15};
16use multi_buffer::PathKey;
17use project::{Project, WorktreeId, git_store::Repository};
18use std::{
19 any::{Any, TypeId},
20 path::PathBuf,
21 sync::Arc,
22};
23use theme::ActiveTheme;
24use ui::{DiffStat, Tooltip, prelude::*};
25use util::{ResultExt, paths::PathStyle, rel_path::RelPath, truncate_and_trailoff};
26use workspace::item::TabTooltipContent;
27use workspace::{
28 Item, ItemHandle, ItemNavHistory, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView,
29 Workspace,
30 item::{BreadcrumbText, ItemEvent, TabContentParams},
31 notifications::NotifyTaskExt,
32 pane::SaveIntent,
33 searchable::SearchableItemHandle,
34};
35
36use crate::commit_tooltip::CommitAvatar;
37use crate::git_panel::GitPanel;
38
39actions!(git, [ApplyCurrentStash, PopCurrentStash, DropCurrentStash,]);
40
41pub fn init(cx: &mut App) {
42 cx.observe_new(|workspace: &mut Workspace, _window, _cx| {
43 workspace.register_action(|workspace, _: &ApplyCurrentStash, window, cx| {
44 CommitView::apply_stash(workspace, window, cx);
45 });
46 workspace.register_action(|workspace, _: &DropCurrentStash, window, cx| {
47 CommitView::remove_stash(workspace, window, cx);
48 });
49 workspace.register_action(|workspace, _: &PopCurrentStash, window, cx| {
50 CommitView::pop_stash(workspace, window, cx);
51 });
52 })
53 .detach();
54}
55
56pub struct CommitView {
57 commit: CommitDetails,
58 editor: Entity<Editor>,
59 stash: Option<usize>,
60 multibuffer: Entity<MultiBuffer>,
61 repository: Entity<Repository>,
62 remote: Option<GitRemote>,
63}
64
65struct GitBlob {
66 path: RepoPath,
67 worktree_id: WorktreeId,
68 is_deleted: bool,
69 display_name: Arc<str>,
70}
71
72const COMMIT_MESSAGE_SORT_PREFIX: u64 = 0;
73const FILE_NAMESPACE_SORT_PREFIX: u64 = 1;
74
75impl CommitView {
76 pub fn open(
77 commit_sha: String,
78 repo: WeakEntity<Repository>,
79 workspace: WeakEntity<Workspace>,
80 stash: Option<usize>,
81 file_filter: Option<RepoPath>,
82 window: &mut Window,
83 cx: &mut App,
84 ) {
85 let commit_diff = repo
86 .update(cx, |repo, _| repo.load_commit_diff(commit_sha.clone()))
87 .ok();
88 let commit_details = repo
89 .update(cx, |repo, _| repo.show(commit_sha.clone()))
90 .ok();
91
92 window
93 .spawn(cx, async move |cx| {
94 let (commit_diff, commit_details) = futures::join!(commit_diff?, commit_details?);
95 let mut commit_diff = commit_diff.log_err()?.log_err()?;
96 let commit_details = commit_details.log_err()?.log_err()?;
97
98 // Filter to specific file if requested
99 if let Some(ref filter_path) = file_filter {
100 commit_diff.files.retain(|f| &f.path == filter_path);
101 }
102
103 let repo = repo.upgrade()?;
104
105 workspace
106 .update_in(cx, |workspace, window, cx| {
107 let project = workspace.project();
108 let commit_view = cx.new(|cx| {
109 CommitView::new(
110 commit_details,
111 commit_diff,
112 repo,
113 project.clone(),
114 stash,
115 window,
116 cx,
117 )
118 });
119
120 let pane = workspace.active_pane();
121 pane.update(cx, |pane, cx| {
122 let ix = pane.items().position(|item| {
123 let commit_view = item.downcast::<CommitView>();
124 commit_view
125 .is_some_and(|view| view.read(cx).commit.sha == commit_sha)
126 });
127 if let Some(ix) = ix {
128 pane.activate_item(ix, true, true, window, cx);
129 } else {
130 pane.add_item(Box::new(commit_view), true, true, None, window, cx);
131 }
132 })
133 })
134 .log_err()
135 })
136 .detach();
137 }
138
139 fn new(
140 commit: CommitDetails,
141 commit_diff: CommitDiff,
142 repository: Entity<Repository>,
143 project: Entity<Project>,
144 stash: Option<usize>,
145 window: &mut Window,
146 cx: &mut Context<Self>,
147 ) -> Self {
148 let language_registry = project.read(cx).languages().clone();
149 let multibuffer = cx.new(|_| MultiBuffer::new(Capability::ReadOnly));
150
151 let message_buffer = cx.new(|cx| {
152 let mut buffer = Buffer::local(commit.message.clone(), cx);
153 buffer.set_capability(Capability::ReadOnly, cx);
154 buffer
155 });
156
157 multibuffer.update(cx, |multibuffer, cx| {
158 let snapshot = message_buffer.read(cx).snapshot();
159 let full_range = Point::zero()..snapshot.max_point();
160 let range = ExcerptRange {
161 context: full_range.clone(),
162 primary: full_range,
163 };
164 multibuffer.set_excerpt_ranges_for_path(
165 PathKey::with_sort_prefix(
166 COMMIT_MESSAGE_SORT_PREFIX,
167 RelPath::unix("commit message").unwrap().into(),
168 ),
169 message_buffer.clone(),
170 &snapshot,
171 vec![range],
172 cx,
173 )
174 });
175
176 let editor = cx.new(|cx| {
177 let mut editor =
178 Editor::for_multibuffer(multibuffer.clone(), Some(project.clone()), window, cx);
179
180 editor.disable_inline_diagnostics();
181 editor.set_show_breakpoints(false, cx);
182 editor.set_expand_all_diff_hunks(cx);
183 editor.disable_header_for_buffer(message_buffer.read(cx).remote_id(), cx);
184 editor.disable_indent_guides_for_buffer(message_buffer.read(cx).remote_id(), cx);
185
186 editor.insert_blocks(
187 [BlockProperties {
188 placement: BlockPlacement::Above(editor::Anchor::min()),
189 height: Some(1),
190 style: BlockStyle::Sticky,
191 render: Arc::new(|_| gpui::Empty.into_any_element()),
192 priority: 0,
193 }]
194 .into_iter()
195 .chain(
196 editor
197 .buffer()
198 .read(cx)
199 .buffer_anchor_to_anchor(&message_buffer, Anchor::MAX, cx)
200 .map(|anchor| BlockProperties {
201 placement: BlockPlacement::Below(anchor),
202 height: Some(1),
203 style: BlockStyle::Sticky,
204 render: Arc::new(|_| gpui::Empty.into_any_element()),
205 priority: 0,
206 }),
207 ),
208 None,
209 cx,
210 );
211
212 editor
213 });
214
215 let commit_sha = Arc::<str>::from(commit.sha.as_ref());
216
217 let first_worktree_id = project
218 .read(cx)
219 .worktrees(cx)
220 .next()
221 .map(|worktree| worktree.read(cx).id());
222
223 let repository_clone = repository.clone();
224
225 cx.spawn(async move |this, cx| {
226 for file in commit_diff.files {
227 let is_deleted = file.new_text.is_none();
228 let new_text = file.new_text.unwrap_or_default();
229 let old_text = file.old_text;
230 let worktree_id = repository_clone
231 .update(cx, |repository, cx| {
232 repository
233 .repo_path_to_project_path(&file.path, cx)
234 .map(|path| path.worktree_id)
235 .or(first_worktree_id)
236 })?
237 .context("project has no worktrees")?;
238 let short_sha = commit_sha.get(0..7).unwrap_or(&commit_sha);
239 let file_name = file
240 .path
241 .file_name()
242 .map(|name| name.to_string())
243 .unwrap_or_else(|| file.path.display(PathStyle::Posix).to_string());
244 let display_name: Arc<str> =
245 Arc::from(format!("{short_sha} - {file_name}").into_boxed_str());
246
247 let file = Arc::new(GitBlob {
248 path: file.path.clone(),
249 is_deleted,
250 worktree_id,
251 display_name,
252 }) as Arc<dyn language::File>;
253
254 let buffer = build_buffer(new_text, file, &language_registry, cx).await?;
255 let buffer_diff =
256 build_buffer_diff(old_text, &buffer, &language_registry, cx).await?;
257
258 this.update(cx, |this, cx| {
259 this.multibuffer.update(cx, |multibuffer, cx| {
260 let snapshot = buffer.read(cx).snapshot();
261 let path = snapshot.file().unwrap().path().clone();
262 let excerpt_ranges = {
263 let mut hunks = buffer_diff.read(cx).hunks(&snapshot, cx).peekable();
264 if hunks.peek().is_none() {
265 vec![language::Point::zero()..snapshot.max_point()]
266 } else {
267 hunks
268 .map(|hunk| hunk.buffer_range.to_point(&snapshot))
269 .collect::<Vec<_>>()
270 }
271 };
272
273 let _is_newly_added = multibuffer.set_excerpts_for_path(
274 PathKey::with_sort_prefix(FILE_NAMESPACE_SORT_PREFIX, path),
275 buffer,
276 excerpt_ranges,
277 multibuffer_context_lines(cx),
278 cx,
279 );
280 multibuffer.add_diff(buffer_diff, cx);
281 });
282 })?;
283 }
284
285 anyhow::Ok(())
286 })
287 .detach();
288
289 let snapshot = repository.read(cx).snapshot();
290 let remote_url = snapshot
291 .remote_upstream_url
292 .as_ref()
293 .or(snapshot.remote_origin_url.as_ref());
294
295 let remote = remote_url.and_then(|url| {
296 let provider_registry = GitHostingProviderRegistry::default_global(cx);
297 parse_git_remote_url(provider_registry, url).map(|(host, parsed)| GitRemote {
298 host,
299 owner: parsed.owner.into(),
300 repo: parsed.repo.into(),
301 })
302 });
303
304 Self {
305 commit,
306 editor,
307 multibuffer,
308 stash,
309 repository,
310 remote,
311 }
312 }
313
314 fn render_commit_avatar(
315 &self,
316 sha: &SharedString,
317 size: impl Into<gpui::AbsoluteLength>,
318 window: &mut Window,
319 cx: &mut App,
320 ) -> AnyElement {
321 let size = size.into();
322 let avatar = CommitAvatar::new(sha, self.remote.as_ref());
323
324 v_flex()
325 .w(size)
326 .h(size)
327 .border_1()
328 .border_color(cx.theme().colors().border)
329 .rounded_full()
330 .justify_center()
331 .items_center()
332 .child(
333 avatar
334 .avatar(window, cx)
335 .map(|a| a.size(size).into_any_element())
336 .unwrap_or_else(|| {
337 Icon::new(IconName::Person)
338 .color(Color::Muted)
339 .size(IconSize::Medium)
340 .into_any_element()
341 }),
342 )
343 .into_any()
344 }
345
346 fn calculate_changed_lines(&self, cx: &App) -> (u32, u32) {
347 let snapshot = self.multibuffer.read(cx).snapshot(cx);
348 let mut total_additions = 0u32;
349 let mut total_deletions = 0u32;
350
351 let mut seen_buffers = std::collections::HashSet::new();
352 for (_, buffer, _) in snapshot.excerpts() {
353 let buffer_id = buffer.remote_id();
354 if !seen_buffers.insert(buffer_id) {
355 continue;
356 }
357
358 let Some(diff) = snapshot.diff_for_buffer_id(buffer_id) else {
359 continue;
360 };
361
362 let base_text = diff.base_text();
363
364 for hunk in diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, buffer) {
365 let added_rows = hunk.range.end.row.saturating_sub(hunk.range.start.row);
366 total_additions += added_rows;
367
368 let base_start = base_text
369 .offset_to_point(hunk.diff_base_byte_range.start)
370 .row;
371 let base_end = base_text.offset_to_point(hunk.diff_base_byte_range.end).row;
372 let deleted_rows = base_end.saturating_sub(base_start);
373
374 total_deletions += deleted_rows;
375 }
376 }
377
378 (total_additions, total_deletions)
379 }
380
381 fn render_header(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
382 let commit = &self.commit;
383 let author_name = commit.author_name.clone();
384 let commit_date = time::OffsetDateTime::from_unix_timestamp(commit.commit_timestamp)
385 .unwrap_or_else(|_| time::OffsetDateTime::now_utc());
386 let local_offset = time::UtcOffset::current_local_offset().unwrap_or(time::UtcOffset::UTC);
387 let date_string = time_format::format_localized_timestamp(
388 commit_date,
389 time::OffsetDateTime::now_utc(),
390 local_offset,
391 time_format::TimestampFormat::MediumAbsolute,
392 );
393
394 let github_url = self.remote.as_ref().map(|remote| {
395 format!(
396 "{}/{}/{}/commit/{}",
397 remote.host.base_url(),
398 remote.owner,
399 remote.repo,
400 commit.sha
401 )
402 });
403
404 let (additions, deletions) = self.calculate_changed_lines(cx);
405
406 let commit_diff_stat = if additions > 0 || deletions > 0 {
407 Some(DiffStat::new(
408 "commit-diff-stat",
409 additions as usize,
410 deletions as usize,
411 ))
412 } else {
413 None
414 };
415
416 let gutter_width = self.editor.update(cx, |editor, cx| {
417 let snapshot = editor.snapshot(window, cx);
418 let style = editor.style(cx);
419 let font_id = window.text_system().resolve_font(&style.text.font());
420 let font_size = style.text.font_size.to_pixels(window.rem_size());
421 snapshot
422 .gutter_dimensions(font_id, font_size, style, window, cx)
423 .full_width()
424 });
425
426 h_flex()
427 .border_b_1()
428 .border_color(cx.theme().colors().border_variant)
429 .w_full()
430 .child(
431 h_flex()
432 .w(gutter_width)
433 .justify_center()
434 .child(self.render_commit_avatar(&commit.sha, rems_from_px(48.), window, cx)),
435 )
436 .child(
437 h_flex()
438 .py_4()
439 .pl_1()
440 .pr_4()
441 .w_full()
442 .items_start()
443 .justify_between()
444 .flex_wrap()
445 .child(
446 v_flex()
447 .child(
448 h_flex()
449 .gap_1()
450 .child(Label::new(author_name).color(Color::Default))
451 .child(
452 Label::new(format!("Commit:{}", commit.sha))
453 .color(Color::Muted)
454 .size(LabelSize::Small)
455 .truncate()
456 .buffer_font(cx),
457 ),
458 )
459 .child(
460 h_flex()
461 .gap_1p5()
462 .child(
463 Label::new(date_string)
464 .color(Color::Muted)
465 .size(LabelSize::Small),
466 )
467 .child(
468 Label::new("•")
469 .color(Color::Ignored)
470 .size(LabelSize::Small),
471 )
472 .children(commit_diff_stat),
473 ),
474 )
475 .children(github_url.map(|url| {
476 Button::new("view_on_github", "View on GitHub")
477 .icon(IconName::Github)
478 .icon_color(Color::Muted)
479 .icon_size(IconSize::Small)
480 .icon_position(IconPosition::Start)
481 .on_click(move |_, _, cx| cx.open_url(&url))
482 })),
483 )
484 }
485
486 fn apply_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
487 Self::stash_action(
488 workspace,
489 "Apply",
490 window,
491 cx,
492 async move |repository, sha, stash, commit_view, workspace, cx| {
493 let result = repository.update(cx, |repo, cx| {
494 if !stash_matches_index(&sha, stash, repo) {
495 return Err(anyhow::anyhow!("Stash has changed, not applying"));
496 }
497 Ok(repo.stash_apply(Some(stash), cx))
498 })?;
499
500 match result {
501 Ok(task) => task.await?,
502 Err(err) => {
503 Self::close_commit_view(commit_view, workspace, cx).await?;
504 return Err(err);
505 }
506 };
507 Self::close_commit_view(commit_view, workspace, cx).await?;
508 anyhow::Ok(())
509 },
510 );
511 }
512
513 fn pop_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
514 Self::stash_action(
515 workspace,
516 "Pop",
517 window,
518 cx,
519 async move |repository, sha, stash, commit_view, workspace, cx| {
520 let result = repository.update(cx, |repo, cx| {
521 if !stash_matches_index(&sha, stash, repo) {
522 return Err(anyhow::anyhow!("Stash has changed, pop aborted"));
523 }
524 Ok(repo.stash_pop(Some(stash), cx))
525 })?;
526
527 match result {
528 Ok(task) => task.await?,
529 Err(err) => {
530 Self::close_commit_view(commit_view, workspace, cx).await?;
531 return Err(err);
532 }
533 };
534 Self::close_commit_view(commit_view, workspace, cx).await?;
535 anyhow::Ok(())
536 },
537 );
538 }
539
540 fn remove_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
541 Self::stash_action(
542 workspace,
543 "Drop",
544 window,
545 cx,
546 async move |repository, sha, stash, commit_view, workspace, cx| {
547 let result = repository.update(cx, |repo, cx| {
548 if !stash_matches_index(&sha, stash, repo) {
549 return Err(anyhow::anyhow!("Stash has changed, drop aborted"));
550 }
551 Ok(repo.stash_drop(Some(stash), cx))
552 })?;
553
554 match result {
555 Ok(task) => task.await??,
556 Err(err) => {
557 Self::close_commit_view(commit_view, workspace, cx).await?;
558 return Err(err);
559 }
560 };
561 Self::close_commit_view(commit_view, workspace, cx).await?;
562 anyhow::Ok(())
563 },
564 );
565 }
566
567 fn stash_action<AsyncFn>(
568 workspace: &mut Workspace,
569 str_action: &str,
570 window: &mut Window,
571 cx: &mut App,
572 callback: AsyncFn,
573 ) where
574 AsyncFn: AsyncFnOnce(
575 Entity<Repository>,
576 &SharedString,
577 usize,
578 Entity<CommitView>,
579 WeakEntity<Workspace>,
580 &mut AsyncWindowContext,
581 ) -> anyhow::Result<()>
582 + 'static,
583 {
584 let Some(commit_view) = workspace.active_item_as::<CommitView>(cx) else {
585 return;
586 };
587 let Some(stash) = commit_view.read(cx).stash else {
588 return;
589 };
590 let sha = commit_view.read(cx).commit.sha.clone();
591 let answer = window.prompt(
592 PromptLevel::Info,
593 &format!("{} stash@{{{}}}?", str_action, stash),
594 None,
595 &[str_action, "Cancel"],
596 cx,
597 );
598
599 let workspace_weak = workspace.weak_handle();
600 let commit_view_entity = commit_view;
601
602 window
603 .spawn(cx, async move |cx| {
604 if answer.await != Ok(0) {
605 return anyhow::Ok(());
606 }
607
608 let Some(workspace) = workspace_weak.upgrade() else {
609 return Ok(());
610 };
611
612 let repo = workspace.update(cx, |workspace, cx| {
613 workspace
614 .panel::<GitPanel>(cx)
615 .and_then(|p| p.read(cx).active_repository.clone())
616 })?;
617
618 let Some(repo) = repo else {
619 return Ok(());
620 };
621
622 callback(repo, &sha, stash, commit_view_entity, workspace_weak, cx).await?;
623 anyhow::Ok(())
624 })
625 .detach_and_notify_err(window, cx);
626 }
627
628 async fn close_commit_view(
629 commit_view: Entity<CommitView>,
630 workspace: WeakEntity<Workspace>,
631 cx: &mut AsyncWindowContext,
632 ) -> anyhow::Result<()> {
633 workspace
634 .update_in(cx, |workspace, window, cx| {
635 let active_pane = workspace.active_pane();
636 let commit_view_id = commit_view.entity_id();
637 active_pane.update(cx, |pane, cx| {
638 pane.close_item_by_id(commit_view_id, SaveIntent::Skip, window, cx)
639 })
640 })?
641 .await?;
642 anyhow::Ok(())
643 }
644}
645
646impl language::File for GitBlob {
647 fn as_local(&self) -> Option<&dyn language::LocalFile> {
648 None
649 }
650
651 fn disk_state(&self) -> DiskState {
652 if self.is_deleted {
653 DiskState::Deleted
654 } else {
655 DiskState::New
656 }
657 }
658
659 fn path_style(&self, _: &App) -> PathStyle {
660 PathStyle::Posix
661 }
662
663 fn path(&self) -> &Arc<RelPath> {
664 self.path.as_ref()
665 }
666
667 fn full_path(&self, _: &App) -> PathBuf {
668 self.path.as_std_path().to_path_buf()
669 }
670
671 fn file_name<'a>(&'a self, _: &'a App) -> &'a str {
672 self.display_name.as_ref()
673 }
674
675 fn worktree_id(&self, _: &App) -> WorktreeId {
676 self.worktree_id
677 }
678
679 fn to_proto(&self, _cx: &App) -> language::proto::File {
680 unimplemented!()
681 }
682
683 fn is_private(&self) -> bool {
684 false
685 }
686}
687
688// No longer needed since metadata buffer is not created
689// impl language::File for CommitMetadataFile {
690// fn as_local(&self) -> Option<&dyn language::LocalFile> {
691// None
692// }
693//
694// fn disk_state(&self) -> DiskState {
695// DiskState::New
696// }
697//
698// fn path_style(&self, _: &App) -> PathStyle {
699// PathStyle::Posix
700// }
701//
702// fn path(&self) -> &Arc<RelPath> {
703// &self.title
704// }
705//
706// fn full_path(&self, _: &App) -> PathBuf {
707// self.title.as_std_path().to_path_buf()
708// }
709//
710// fn file_name<'a>(&'a self, _: &'a App) -> &'a str {
711// self.title.file_name().unwrap_or("commit")
712// }
713//
714// fn worktree_id(&self, _: &App) -> WorktreeId {
715// self.worktree_id
716// }
717//
718// fn to_proto(&self, _cx: &App) -> language::proto::File {
719// unimplemented!()
720// }
721//
722// fn is_private(&self) -> bool {
723// false
724// }
725// }
726
727async fn build_buffer(
728 mut text: String,
729 blob: Arc<dyn File>,
730 language_registry: &Arc<language::LanguageRegistry>,
731 cx: &mut AsyncApp,
732) -> Result<Entity<Buffer>> {
733 let line_ending = LineEnding::detect(&text);
734 LineEnding::normalize(&mut text);
735 let text = Rope::from(text);
736 let language = cx.update(|cx| language_registry.language_for_file(&blob, Some(&text), cx))?;
737 let language = if let Some(language) = language {
738 language_registry
739 .load_language(&language)
740 .await
741 .ok()
742 .and_then(|e| e.log_err())
743 } else {
744 None
745 };
746 let buffer = cx.new(|cx| {
747 let buffer = TextBuffer::new_normalized(
748 ReplicaId::LOCAL,
749 cx.entity_id().as_non_zero_u64().into(),
750 line_ending,
751 text,
752 );
753 let mut buffer = Buffer::build(buffer, Some(blob), Capability::ReadWrite);
754 buffer.set_language_async(language, cx);
755 buffer
756 })?;
757 Ok(buffer)
758}
759
760async fn build_buffer_diff(
761 mut old_text: Option<String>,
762 buffer: &Entity<Buffer>,
763 language_registry: &Arc<LanguageRegistry>,
764 cx: &mut AsyncApp,
765) -> Result<Entity<BufferDiff>> {
766 if let Some(old_text) = &mut old_text {
767 LineEnding::normalize(old_text);
768 }
769
770 let buffer = cx.update(|cx| buffer.read(cx).snapshot())?;
771
772 let base_buffer = cx
773 .update(|cx| {
774 Buffer::build_snapshot(
775 old_text.as_deref().unwrap_or("").into(),
776 buffer.language().cloned(),
777 Some(language_registry.clone()),
778 cx,
779 )
780 })?
781 .await;
782
783 let diff_snapshot = cx
784 .update(|cx| {
785 BufferDiffSnapshot::new_with_base_buffer(
786 buffer.text.clone(),
787 old_text.map(Arc::new),
788 base_buffer,
789 cx,
790 )
791 })?
792 .await;
793
794 cx.new(|cx| {
795 let mut diff = BufferDiff::new(&buffer.text, cx);
796 diff.set_snapshot(diff_snapshot, &buffer.text, cx);
797 diff
798 })
799}
800
801impl EventEmitter<EditorEvent> for CommitView {}
802
803impl Focusable for CommitView {
804 fn focus_handle(&self, cx: &App) -> FocusHandle {
805 self.editor.focus_handle(cx)
806 }
807}
808
809impl Item for CommitView {
810 type Event = EditorEvent;
811
812 fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
813 Some(Icon::new(IconName::GitBranch).color(Color::Muted))
814 }
815
816 fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
817 Label::new(self.tab_content_text(params.detail.unwrap_or_default(), cx))
818 .color(if params.selected {
819 Color::Default
820 } else {
821 Color::Muted
822 })
823 .into_any_element()
824 }
825
826 fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
827 let short_sha = self.commit.sha.get(0..7).unwrap_or(&*self.commit.sha);
828 let subject = truncate_and_trailoff(self.commit.message.split('\n').next().unwrap(), 20);
829 format!("{short_sha} — {subject}").into()
830 }
831
832 fn tab_tooltip_content(&self, _: &App) -> Option<TabTooltipContent> {
833 let short_sha = self.commit.sha.get(0..16).unwrap_or(&*self.commit.sha);
834 let subject = self.commit.message.split('\n').next().unwrap();
835
836 Some(TabTooltipContent::Custom(Box::new(Tooltip::element({
837 let subject = subject.to_string();
838 let short_sha = short_sha.to_string();
839
840 move |_, _| {
841 v_flex()
842 .child(Label::new(subject.clone()))
843 .child(
844 Label::new(short_sha.clone())
845 .color(Color::Muted)
846 .size(LabelSize::Small),
847 )
848 .into_any_element()
849 }
850 }))))
851 }
852
853 fn to_item_events(event: &EditorEvent, f: impl FnMut(ItemEvent)) {
854 Editor::to_item_events(event, f)
855 }
856
857 fn telemetry_event_text(&self) -> Option<&'static str> {
858 Some("Commit View Opened")
859 }
860
861 fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
862 self.editor
863 .update(cx, |editor, cx| editor.deactivated(window, cx));
864 }
865
866 fn act_as_type<'a>(
867 &'a self,
868 type_id: TypeId,
869 self_handle: &'a Entity<Self>,
870 _: &'a App,
871 ) -> Option<gpui::AnyEntity> {
872 if type_id == TypeId::of::<Self>() {
873 Some(self_handle.clone().into())
874 } else if type_id == TypeId::of::<Editor>() {
875 Some(self.editor.clone().into())
876 } else {
877 None
878 }
879 }
880
881 fn as_searchable(&self, _: &Entity<Self>, _: &App) -> Option<Box<dyn SearchableItemHandle>> {
882 Some(Box::new(self.editor.clone()))
883 }
884
885 fn for_each_project_item(
886 &self,
887 cx: &App,
888 f: &mut dyn FnMut(gpui::EntityId, &dyn project::ProjectItem),
889 ) {
890 self.editor.for_each_project_item(cx, f)
891 }
892
893 fn set_nav_history(
894 &mut self,
895 nav_history: ItemNavHistory,
896 _: &mut Window,
897 cx: &mut Context<Self>,
898 ) {
899 self.editor.update(cx, |editor, _| {
900 editor.set_nav_history(Some(nav_history));
901 });
902 }
903
904 fn navigate(
905 &mut self,
906 data: Box<dyn Any>,
907 window: &mut Window,
908 cx: &mut Context<Self>,
909 ) -> bool {
910 self.editor
911 .update(cx, |editor, cx| editor.navigate(data, window, cx))
912 }
913
914 fn breadcrumb_location(&self, _: &App) -> ToolbarItemLocation {
915 ToolbarItemLocation::Hidden
916 }
917
918 fn breadcrumbs(&self, _theme: &theme::Theme, _cx: &App) -> Option<Vec<BreadcrumbText>> {
919 None
920 }
921
922 fn added_to_workspace(
923 &mut self,
924 workspace: &mut Workspace,
925 window: &mut Window,
926 cx: &mut Context<Self>,
927 ) {
928 self.editor.update(cx, |editor, cx| {
929 editor.added_to_workspace(workspace, window, cx)
930 });
931 }
932
933 fn can_split(&self) -> bool {
934 true
935 }
936
937 fn clone_on_split(
938 &self,
939 _workspace_id: Option<workspace::WorkspaceId>,
940 window: &mut Window,
941 cx: &mut Context<Self>,
942 ) -> Task<Option<Entity<Self>>>
943 where
944 Self: Sized,
945 {
946 Task::ready(Some(cx.new(|cx| {
947 let editor = cx.new(|cx| {
948 self.editor
949 .update(cx, |editor, cx| editor.clone(window, cx))
950 });
951 let multibuffer = editor.read(cx).buffer().clone();
952 Self {
953 editor,
954 multibuffer,
955 commit: self.commit.clone(),
956 stash: self.stash,
957 repository: self.repository.clone(),
958 remote: self.remote.clone(),
959 }
960 })))
961 }
962}
963
964impl Render for CommitView {
965 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
966 let is_stash = self.stash.is_some();
967
968 v_flex()
969 .key_context(if is_stash { "StashDiff" } else { "CommitDiff" })
970 .size_full()
971 .bg(cx.theme().colors().editor_background)
972 .child(self.render_header(window, cx))
973 .when(!self.editor.read(cx).is_empty(cx), |this| {
974 this.child(div().flex_grow().child(self.editor.clone()))
975 })
976 }
977}
978
979pub struct CommitViewToolbar {
980 commit_view: Option<WeakEntity<CommitView>>,
981}
982
983impl CommitViewToolbar {
984 pub fn new() -> Self {
985 Self { commit_view: None }
986 }
987}
988
989impl EventEmitter<ToolbarItemEvent> for CommitViewToolbar {}
990
991impl Render for CommitViewToolbar {
992 fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
993 div().hidden()
994 }
995}
996
997impl ToolbarItemView for CommitViewToolbar {
998 fn set_active_pane_item(
999 &mut self,
1000 active_pane_item: Option<&dyn ItemHandle>,
1001 _: &mut Window,
1002 cx: &mut Context<Self>,
1003 ) -> ToolbarItemLocation {
1004 if let Some(entity) = active_pane_item.and_then(|i| i.act_as::<CommitView>(cx))
1005 && entity.read(cx).stash.is_some()
1006 {
1007 self.commit_view = Some(entity.downgrade());
1008 return ToolbarItemLocation::PrimaryRight;
1009 }
1010 ToolbarItemLocation::Hidden
1011 }
1012
1013 fn pane_focus_update(
1014 &mut self,
1015 _pane_focused: bool,
1016 _window: &mut Window,
1017 _cx: &mut Context<Self>,
1018 ) {
1019 }
1020}
1021
1022fn stash_matches_index(sha: &str, stash_index: usize, repo: &Repository) -> bool {
1023 repo.stash_entries
1024 .entries
1025 .get(stash_index)
1026 .map(|entry| entry.oid.to_string() == sha)
1027 .unwrap_or(false)
1028}