1mod ignore;
2mod worktree_settings;
3#[cfg(test)]
4mod worktree_tests;
5
6use ::ignore::gitignore::{Gitignore, GitignoreBuilder};
7use anyhow::{Context as _, Result, anyhow};
8use clock::ReplicaId;
9use collections::{HashMap, HashSet, VecDeque};
10use fs::{Fs, MTime, PathEvent, RemoveOptions, Watcher, copy_recursive, read_dir_items};
11use futures::{
12 FutureExt as _, Stream, StreamExt,
13 channel::{
14 mpsc::{self, UnboundedSender},
15 oneshot,
16 },
17 select_biased,
18 task::Poll,
19};
20use fuzzy::CharBag;
21use git::{
22 COMMIT_MESSAGE, DOT_GIT, FSMONITOR_DAEMON, GITIGNORE, INDEX_LOCK, LFS_DIR,
23 repository::RepoPath, status::GitSummary,
24};
25use gpui::{
26 App, AppContext as _, AsyncApp, BackgroundExecutor, Context, Entity, EventEmitter, Task,
27};
28use ignore::IgnoreStack;
29use language::DiskState;
30
31use parking_lot::Mutex;
32use paths::{local_settings_folder_relative_path, local_vscode_folder_relative_path};
33use postage::{
34 barrier,
35 prelude::{Sink as _, Stream as _},
36 watch,
37};
38use rpc::{
39 AnyProtoClient,
40 proto::{self, FromProto, ToProto, split_worktree_update},
41};
42pub use settings::WorktreeId;
43use settings::{Settings, SettingsLocation, SettingsStore};
44use smallvec::{SmallVec, smallvec};
45use smol::channel::{self, Sender};
46use std::{
47 any::Any,
48 borrow::Borrow as _,
49 cmp::Ordering,
50 collections::hash_map,
51 convert::TryFrom,
52 ffi::{OsStr, OsString},
53 fmt,
54 future::Future,
55 mem::{self},
56 ops::{Deref, DerefMut},
57 path::{Component, Path, PathBuf},
58 pin::Pin,
59 sync::{
60 Arc,
61 atomic::{AtomicUsize, Ordering::SeqCst},
62 },
63 time::{Duration, Instant},
64};
65use sum_tree::{Bias, Edit, KeyedItem, SeekTarget, SumTree, Summary, TreeMap, TreeSet, Unit};
66use text::{LineEnding, Rope};
67use util::{
68 ResultExt,
69 paths::{PathMatcher, SanitizedPath, home_dir},
70};
71pub use worktree_settings::WorktreeSettings;
72
73pub const FS_WATCH_LATENCY: Duration = Duration::from_millis(100);
74
75/// A set of local or remote files that are being opened as part of a project.
76/// Responsible for tracking related FS (for local)/collab (for remote) events and corresponding updates.
77/// Stores git repositories data and the diagnostics for the file(s).
78///
79/// Has an absolute path, and may be set to be visible in Zed UI or not.
80/// May correspond to a directory or a single file.
81/// Possible examples:
82/// * a drag and dropped file — may be added as an invisible, "ephemeral" entry to the current worktree
83/// * a directory opened in Zed — may be added as a visible entry to the current worktree
84///
85/// Uses [`Entry`] to track the state of each file/directory, can look up absolute paths for entries.
86pub enum Worktree {
87 Local(LocalWorktree),
88 Remote(RemoteWorktree),
89}
90
91/// An entry, created in the worktree.
92#[derive(Debug)]
93pub enum CreatedEntry {
94 /// Got created and indexed by the worktree, receiving a corresponding entry.
95 Included(Entry),
96 /// Got created, but not indexed due to falling under exclusion filters.
97 Excluded { abs_path: PathBuf },
98}
99
100pub struct LoadedFile {
101 pub file: Arc<File>,
102 pub text: String,
103}
104
105pub struct LoadedBinaryFile {
106 pub file: Arc<File>,
107 pub content: Vec<u8>,
108}
109
110impl fmt::Debug for LoadedBinaryFile {
111 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
112 f.debug_struct("LoadedBinaryFile")
113 .field("file", &self.file)
114 .field("content_bytes", &self.content.len())
115 .finish()
116 }
117}
118
119pub struct LocalWorktree {
120 snapshot: LocalSnapshot,
121 scan_requests_tx: channel::Sender<ScanRequest>,
122 path_prefixes_to_scan_tx: channel::Sender<PathPrefixScanRequest>,
123 is_scanning: (watch::Sender<bool>, watch::Receiver<bool>),
124 _background_scanner_tasks: Vec<Task<()>>,
125 update_observer: Option<UpdateObservationState>,
126 fs: Arc<dyn Fs>,
127 fs_case_sensitive: bool,
128 visible: bool,
129 next_entry_id: Arc<AtomicUsize>,
130 settings: WorktreeSettings,
131 share_private_files: bool,
132}
133
134pub struct PathPrefixScanRequest {
135 path: Arc<Path>,
136 done: SmallVec<[barrier::Sender; 1]>,
137}
138
139struct ScanRequest {
140 relative_paths: Vec<Arc<Path>>,
141 done: SmallVec<[barrier::Sender; 1]>,
142}
143
144pub struct RemoteWorktree {
145 snapshot: Snapshot,
146 background_snapshot: Arc<Mutex<(Snapshot, Vec<proto::UpdateWorktree>)>>,
147 project_id: u64,
148 client: AnyProtoClient,
149 file_scan_inclusions: PathMatcher,
150 updates_tx: Option<UnboundedSender<proto::UpdateWorktree>>,
151 update_observer: Option<mpsc::UnboundedSender<proto::UpdateWorktree>>,
152 snapshot_subscriptions: VecDeque<(usize, oneshot::Sender<()>)>,
153 replica_id: ReplicaId,
154 visible: bool,
155 disconnected: bool,
156}
157
158#[derive(Clone)]
159pub struct Snapshot {
160 id: WorktreeId,
161 abs_path: SanitizedPath,
162 root_name: String,
163 root_char_bag: CharBag,
164 entries_by_path: SumTree<Entry>,
165 entries_by_id: SumTree<PathEntry>,
166 always_included_entries: Vec<Arc<Path>>,
167
168 /// A number that increases every time the worktree begins scanning
169 /// a set of paths from the filesystem. This scanning could be caused
170 /// by some operation performed on the worktree, such as reading or
171 /// writing a file, or by an event reported by the filesystem.
172 scan_id: usize,
173
174 /// The latest scan id that has completed, and whose preceding scans
175 /// have all completed. The current `scan_id` could be more than one
176 /// greater than the `completed_scan_id` if operations are performed
177 /// on the worktree while it is processing a file-system event.
178 completed_scan_id: usize,
179}
180
181/// This path corresponds to the 'content path' of a repository in relation
182/// to Zed's project root.
183/// In the majority of the cases, this is the folder that contains the .git folder.
184/// But if a sub-folder of a git repository is opened, this corresponds to the
185/// project root and the .git folder is located in a parent directory.
186#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq, Hash)]
187pub enum WorkDirectory {
188 InProject {
189 relative_path: Arc<Path>,
190 },
191 AboveProject {
192 absolute_path: Arc<Path>,
193 location_in_repo: Arc<Path>,
194 },
195}
196
197impl WorkDirectory {
198 #[cfg(test)]
199 fn in_project(path: &str) -> Self {
200 let path = Path::new(path);
201 Self::InProject {
202 relative_path: path.into(),
203 }
204 }
205
206 //#[cfg(test)]
207 //fn canonicalize(&self) -> Self {
208 // match self {
209 // WorkDirectory::InProject { relative_path } => WorkDirectory::InProject {
210 // relative_path: relative_path.clone(),
211 // },
212 // WorkDirectory::AboveProject {
213 // absolute_path,
214 // location_in_repo,
215 // } => WorkDirectory::AboveProject {
216 // absolute_path: absolute_path.canonicalize().unwrap().into(),
217 // location_in_repo: location_in_repo.clone(),
218 // },
219 // }
220 //}
221
222 fn path_key(&self) -> PathKey {
223 match self {
224 WorkDirectory::InProject { relative_path } => PathKey(relative_path.clone()),
225 WorkDirectory::AboveProject { .. } => PathKey(Path::new("").into()),
226 }
227 }
228
229 /// Returns true if the given path is a child of the work directory.
230 ///
231 /// Note that the path may not be a member of this repository, if there
232 /// is a repository in a directory between these two paths
233 /// external .git folder in a parent folder of the project root.
234 #[track_caller]
235 pub fn directory_contains(&self, path: impl AsRef<Path>) -> bool {
236 let path = path.as_ref();
237 debug_assert!(path.is_relative());
238 match self {
239 WorkDirectory::InProject { relative_path } => path.starts_with(relative_path),
240 WorkDirectory::AboveProject { .. } => true,
241 }
242 }
243
244 /// relativize returns the given project path relative to the root folder of the
245 /// repository.
246 /// If the root of the repository (and its .git folder) are located in a parent folder
247 /// of the project root folder, then the returned RepoPath is relative to the root
248 /// of the repository and not a valid path inside the project.
249 pub fn relativize(&self, path: &Path) -> Result<RepoPath> {
250 // path is assumed to be relative to worktree root.
251 debug_assert!(path.is_relative());
252 match self {
253 WorkDirectory::InProject { relative_path } => Ok(path
254 .strip_prefix(relative_path)
255 .map_err(|_| anyhow!("could not relativize {path:?} against {relative_path:?}"))?
256 .into()),
257 WorkDirectory::AboveProject {
258 location_in_repo, ..
259 } => {
260 // Avoid joining a `/` to location_in_repo in the case of a single-file worktree.
261 if path == Path::new("") {
262 Ok(RepoPath(location_in_repo.clone()))
263 } else {
264 Ok(location_in_repo.join(path).into())
265 }
266 }
267 }
268 }
269
270 /// This is the opposite operation to `relativize` above
271 pub fn try_unrelativize(&self, path: &RepoPath) -> Option<Arc<Path>> {
272 match self {
273 WorkDirectory::InProject { relative_path } => Some(relative_path.join(path).into()),
274 WorkDirectory::AboveProject {
275 location_in_repo, ..
276 } => {
277 // If we fail to strip the prefix, that means this status entry is
278 // external to this worktree, and we definitely won't have an entry_id
279 path.strip_prefix(location_in_repo).ok().map(Into::into)
280 }
281 }
282 }
283
284 pub fn unrelativize(&self, path: &RepoPath) -> Arc<Path> {
285 match self {
286 WorkDirectory::InProject { relative_path } => relative_path.join(path).into(),
287 WorkDirectory::AboveProject {
288 location_in_repo, ..
289 } => {
290 if &path.0 == location_in_repo {
291 // Single-file worktree
292 return location_in_repo
293 .file_name()
294 .map(Path::new)
295 .unwrap_or(Path::new(""))
296 .into();
297 }
298 let mut location_in_repo = &**location_in_repo;
299 let mut parents = PathBuf::new();
300 loop {
301 if let Ok(segment) = path.strip_prefix(location_in_repo) {
302 return parents.join(segment).into();
303 }
304 location_in_repo = location_in_repo.parent().unwrap_or(Path::new(""));
305 parents.push(Component::ParentDir);
306 }
307 }
308 }
309 }
310
311 pub fn display_name(&self) -> String {
312 match self {
313 WorkDirectory::InProject { relative_path } => relative_path.display().to_string(),
314 WorkDirectory::AboveProject {
315 absolute_path,
316 location_in_repo,
317 } => {
318 let num_of_dots = location_in_repo.components().count();
319
320 "../".repeat(num_of_dots)
321 + &absolute_path
322 .file_name()
323 .map(|s| s.to_string_lossy())
324 .unwrap_or_default()
325 + "/"
326 }
327 }
328 }
329}
330
331impl Default for WorkDirectory {
332 fn default() -> Self {
333 Self::InProject {
334 relative_path: Arc::from(Path::new("")),
335 }
336 }
337}
338
339#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
340pub struct WorkDirectoryEntry(ProjectEntryId);
341
342impl Deref for WorkDirectoryEntry {
343 type Target = ProjectEntryId;
344
345 fn deref(&self) -> &Self::Target {
346 &self.0
347 }
348}
349
350impl From<ProjectEntryId> for WorkDirectoryEntry {
351 fn from(value: ProjectEntryId) -> Self {
352 WorkDirectoryEntry(value)
353 }
354}
355
356#[derive(Debug, Clone)]
357pub struct LocalSnapshot {
358 snapshot: Snapshot,
359 /// All of the gitignore files in the worktree, indexed by their relative path.
360 /// The boolean indicates whether the gitignore needs to be updated.
361 ignores_by_parent_abs_path: HashMap<Arc<Path>, (Arc<Gitignore>, bool)>,
362 /// All of the git repositories in the worktree, indexed by the project entry
363 /// id of their parent directory.
364 git_repositories: TreeMap<ProjectEntryId, LocalRepositoryEntry>,
365 /// The file handle of the root dir
366 /// (so we can find it after it's been moved)
367 root_file_handle: Option<Arc<dyn fs::FileHandle>>,
368}
369
370struct BackgroundScannerState {
371 snapshot: LocalSnapshot,
372 scanned_dirs: HashSet<ProjectEntryId>,
373 path_prefixes_to_scan: HashSet<Arc<Path>>,
374 paths_to_scan: HashSet<Arc<Path>>,
375 /// The ids of all of the entries that were removed from the snapshot
376 /// as part of the current update. These entry ids may be re-used
377 /// if the same inode is discovered at a new path, or if the given
378 /// path is re-created after being deleted.
379 removed_entries: HashMap<u64, Entry>,
380 changed_paths: Vec<Arc<Path>>,
381 prev_snapshot: Snapshot,
382}
383
384#[derive(Debug, Clone)]
385struct LocalRepositoryEntry {
386 work_directory_id: ProjectEntryId,
387 work_directory: WorkDirectory,
388 work_directory_abs_path: Arc<Path>,
389 git_dir_scan_id: usize,
390 /// Absolute path to the original .git entry that caused us to create this repository.
391 ///
392 /// This is normally a directory, but may be a "gitfile" that points to a directory elsewhere
393 /// (whose path we then store in `repository_dir_abs_path`).
394 dot_git_abs_path: Arc<Path>,
395 /// Absolute path to the "commondir" for this repository.
396 ///
397 /// This is always a directory. For a normal repository, this is the same as dot_git_abs_path,
398 /// but in the case of a submodule or a worktree it is the path to the "parent" .git directory
399 /// from which the submodule/worktree was derived.
400 common_dir_abs_path: Arc<Path>,
401 /// Absolute path to the directory holding the repository's state.
402 ///
403 /// For a normal repository, this is a directory and coincides with `dot_git_abs_path` and
404 /// `common_dir_abs_path`. For a submodule or worktree, this is some subdirectory of the
405 /// commondir like `/project/.git/modules/foo`.
406 repository_dir_abs_path: Arc<Path>,
407}
408
409impl sum_tree::Item for LocalRepositoryEntry {
410 type Summary = PathSummary<Unit>;
411
412 fn summary(&self, _: &<Self::Summary as Summary>::Context) -> Self::Summary {
413 PathSummary {
414 max_path: self.work_directory.path_key().0,
415 item_summary: Unit,
416 }
417 }
418}
419
420impl KeyedItem for LocalRepositoryEntry {
421 type Key = PathKey;
422
423 fn key(&self) -> Self::Key {
424 self.work_directory.path_key()
425 }
426}
427
428//impl LocalRepositoryEntry {
429// pub fn repo(&self) -> &Arc<dyn GitRepository> {
430// &self.repo_ptr
431// }
432//}
433
434impl Deref for LocalRepositoryEntry {
435 type Target = WorkDirectory;
436
437 fn deref(&self) -> &Self::Target {
438 &self.work_directory
439 }
440}
441
442impl Deref for LocalSnapshot {
443 type Target = Snapshot;
444
445 fn deref(&self) -> &Self::Target {
446 &self.snapshot
447 }
448}
449
450impl DerefMut for LocalSnapshot {
451 fn deref_mut(&mut self) -> &mut Self::Target {
452 &mut self.snapshot
453 }
454}
455
456#[derive(Debug)]
457enum ScanState {
458 Started,
459 Updated {
460 snapshot: LocalSnapshot,
461 changes: UpdatedEntriesSet,
462 barrier: SmallVec<[barrier::Sender; 1]>,
463 scanning: bool,
464 },
465 RootUpdated {
466 new_path: Option<SanitizedPath>,
467 },
468}
469
470struct UpdateObservationState {
471 snapshots_tx: mpsc::UnboundedSender<(LocalSnapshot, UpdatedEntriesSet)>,
472 resume_updates: watch::Sender<()>,
473 _maintain_remote_snapshot: Task<Option<()>>,
474}
475
476#[derive(Clone)]
477pub enum Event {
478 UpdatedEntries(UpdatedEntriesSet),
479 UpdatedGitRepositories(UpdatedGitRepositoriesSet),
480 DeletedEntry(ProjectEntryId),
481}
482
483const EMPTY_PATH: &str = "";
484
485impl EventEmitter<Event> for Worktree {}
486
487impl Worktree {
488 pub async fn local(
489 path: impl Into<Arc<Path>>,
490 visible: bool,
491 fs: Arc<dyn Fs>,
492 next_entry_id: Arc<AtomicUsize>,
493 cx: &mut AsyncApp,
494 ) -> Result<Entity<Self>> {
495 let abs_path = path.into();
496 let metadata = fs
497 .metadata(&abs_path)
498 .await
499 .context("failed to stat worktree path")?;
500
501 let fs_case_sensitive = fs.is_case_sensitive().await.unwrap_or_else(|e| {
502 log::error!(
503 "Failed to determine whether filesystem is case sensitive (falling back to true) due to error: {e:#}"
504 );
505 true
506 });
507
508 let root_file_handle = fs.open_handle(&abs_path).await.log_err();
509
510 cx.new(move |cx: &mut Context<Worktree>| {
511 let mut snapshot = LocalSnapshot {
512 ignores_by_parent_abs_path: Default::default(),
513 git_repositories: Default::default(),
514 snapshot: Snapshot::new(
515 cx.entity_id().as_u64(),
516 abs_path
517 .file_name()
518 .map_or(String::new(), |f| f.to_string_lossy().to_string()),
519 abs_path.clone(),
520 ),
521 root_file_handle,
522 };
523
524 let worktree_id = snapshot.id();
525 let settings_location = Some(SettingsLocation {
526 worktree_id,
527 path: Path::new(EMPTY_PATH),
528 });
529
530 let settings = WorktreeSettings::get(settings_location, cx).clone();
531 cx.observe_global::<SettingsStore>(move |this, cx| {
532 if let Self::Local(this) = this {
533 let settings = WorktreeSettings::get(settings_location, cx).clone();
534 if this.settings != settings {
535 this.settings = settings;
536 this.restart_background_scanners(cx);
537 }
538 }
539 })
540 .detach();
541
542 let share_private_files = false;
543 if let Some(metadata) = metadata {
544 let mut entry = Entry::new(
545 Arc::from(Path::new("")),
546 &metadata,
547 &next_entry_id,
548 snapshot.root_char_bag,
549 None,
550 );
551 if !metadata.is_dir {
552 entry.is_private = !share_private_files
553 && settings.is_path_private(abs_path.file_name().unwrap().as_ref());
554 }
555 snapshot.insert_entry(entry, fs.as_ref());
556 }
557
558 let (scan_requests_tx, scan_requests_rx) = channel::unbounded();
559 let (path_prefixes_to_scan_tx, path_prefixes_to_scan_rx) = channel::unbounded();
560 let mut worktree = LocalWorktree {
561 share_private_files,
562 next_entry_id,
563 snapshot,
564 is_scanning: watch::channel_with(true),
565 update_observer: None,
566 scan_requests_tx,
567 path_prefixes_to_scan_tx,
568 _background_scanner_tasks: Vec::new(),
569 fs,
570 fs_case_sensitive,
571 visible,
572 settings,
573 };
574 worktree.start_background_scanner(scan_requests_rx, path_prefixes_to_scan_rx, cx);
575 Worktree::Local(worktree)
576 })
577 }
578
579 pub fn remote(
580 project_id: u64,
581 replica_id: ReplicaId,
582 worktree: proto::WorktreeMetadata,
583 client: AnyProtoClient,
584 cx: &mut App,
585 ) -> Entity<Self> {
586 cx.new(|cx: &mut Context<Self>| {
587 let snapshot = Snapshot::new(
588 worktree.id,
589 worktree.root_name,
590 Arc::<Path>::from_proto(worktree.abs_path),
591 );
592
593 let background_snapshot = Arc::new(Mutex::new((
594 snapshot.clone(),
595 Vec::<proto::UpdateWorktree>::new(),
596 )));
597 let (background_updates_tx, mut background_updates_rx) =
598 mpsc::unbounded::<proto::UpdateWorktree>();
599 let (mut snapshot_updated_tx, mut snapshot_updated_rx) = watch::channel();
600
601 let worktree_id = snapshot.id();
602 let settings_location = Some(SettingsLocation {
603 worktree_id,
604 path: Path::new(EMPTY_PATH),
605 });
606
607 let settings = WorktreeSettings::get(settings_location, cx).clone();
608 let worktree = RemoteWorktree {
609 client,
610 project_id,
611 replica_id,
612 snapshot,
613 file_scan_inclusions: settings.file_scan_inclusions.clone(),
614 background_snapshot: background_snapshot.clone(),
615 updates_tx: Some(background_updates_tx),
616 update_observer: None,
617 snapshot_subscriptions: Default::default(),
618 visible: worktree.visible,
619 disconnected: false,
620 };
621
622 // Apply updates to a separate snapshot in a background task, then
623 // send them to a foreground task which updates the model.
624 cx.background_spawn(async move {
625 while let Some(update) = background_updates_rx.next().await {
626 {
627 let mut lock = background_snapshot.lock();
628 lock.0
629 .apply_remote_update(update.clone(), &settings.file_scan_inclusions)
630 .log_err();
631 lock.1.push(update);
632 }
633 snapshot_updated_tx.send(()).await.ok();
634 }
635 })
636 .detach();
637
638 // On the foreground task, update to the latest snapshot and notify
639 // any update observer of all updates that led to that snapshot.
640 cx.spawn(async move |this, cx| {
641 while (snapshot_updated_rx.recv().await).is_some() {
642 this.update(cx, |this, cx| {
643 let mut entries_changed = false;
644 let this = this.as_remote_mut().unwrap();
645 {
646 let mut lock = this.background_snapshot.lock();
647 this.snapshot = lock.0.clone();
648 for update in lock.1.drain(..) {
649 entries_changed |= !update.updated_entries.is_empty()
650 || !update.removed_entries.is_empty();
651 if let Some(tx) = &this.update_observer {
652 tx.unbounded_send(update).ok();
653 }
654 }
655 };
656
657 if entries_changed {
658 cx.emit(Event::UpdatedEntries(Arc::default()));
659 }
660 cx.notify();
661 while let Some((scan_id, _)) = this.snapshot_subscriptions.front() {
662 if this.observed_snapshot(*scan_id) {
663 let (_, tx) = this.snapshot_subscriptions.pop_front().unwrap();
664 let _ = tx.send(());
665 } else {
666 break;
667 }
668 }
669 })?;
670 }
671 anyhow::Ok(())
672 })
673 .detach();
674
675 Worktree::Remote(worktree)
676 })
677 }
678
679 pub fn as_local(&self) -> Option<&LocalWorktree> {
680 if let Worktree::Local(worktree) = self {
681 Some(worktree)
682 } else {
683 None
684 }
685 }
686
687 pub fn as_remote(&self) -> Option<&RemoteWorktree> {
688 if let Worktree::Remote(worktree) = self {
689 Some(worktree)
690 } else {
691 None
692 }
693 }
694
695 pub fn as_local_mut(&mut self) -> Option<&mut LocalWorktree> {
696 if let Worktree::Local(worktree) = self {
697 Some(worktree)
698 } else {
699 None
700 }
701 }
702
703 pub fn as_remote_mut(&mut self) -> Option<&mut RemoteWorktree> {
704 if let Worktree::Remote(worktree) = self {
705 Some(worktree)
706 } else {
707 None
708 }
709 }
710
711 pub fn is_local(&self) -> bool {
712 matches!(self, Worktree::Local(_))
713 }
714
715 pub fn is_remote(&self) -> bool {
716 !self.is_local()
717 }
718
719 pub fn settings_location(&self, _: &Context<Self>) -> SettingsLocation<'static> {
720 SettingsLocation {
721 worktree_id: self.id(),
722 path: Path::new(EMPTY_PATH),
723 }
724 }
725
726 pub fn snapshot(&self) -> Snapshot {
727 match self {
728 Worktree::Local(worktree) => worktree.snapshot.snapshot.clone(),
729 Worktree::Remote(worktree) => worktree.snapshot.clone(),
730 }
731 }
732
733 pub fn scan_id(&self) -> usize {
734 match self {
735 Worktree::Local(worktree) => worktree.snapshot.scan_id,
736 Worktree::Remote(worktree) => worktree.snapshot.scan_id,
737 }
738 }
739
740 pub fn metadata_proto(&self) -> proto::WorktreeMetadata {
741 proto::WorktreeMetadata {
742 id: self.id().to_proto(),
743 root_name: self.root_name().to_string(),
744 visible: self.is_visible(),
745 abs_path: self.abs_path().to_proto(),
746 }
747 }
748
749 pub fn completed_scan_id(&self) -> usize {
750 match self {
751 Worktree::Local(worktree) => worktree.snapshot.completed_scan_id,
752 Worktree::Remote(worktree) => worktree.snapshot.completed_scan_id,
753 }
754 }
755
756 pub fn is_visible(&self) -> bool {
757 match self {
758 Worktree::Local(worktree) => worktree.visible,
759 Worktree::Remote(worktree) => worktree.visible,
760 }
761 }
762
763 pub fn replica_id(&self) -> ReplicaId {
764 match self {
765 Worktree::Local(_) => 0,
766 Worktree::Remote(worktree) => worktree.replica_id,
767 }
768 }
769
770 pub fn abs_path(&self) -> Arc<Path> {
771 match self {
772 Worktree::Local(worktree) => worktree.abs_path.clone().into(),
773 Worktree::Remote(worktree) => worktree.abs_path.clone().into(),
774 }
775 }
776
777 pub fn root_file(&self, cx: &Context<Self>) -> Option<Arc<File>> {
778 let entry = self.root_entry()?;
779 Some(File::for_entry(entry.clone(), cx.entity()))
780 }
781
782 pub fn observe_updates<F, Fut>(&mut self, project_id: u64, cx: &Context<Worktree>, callback: F)
783 where
784 F: 'static + Send + Fn(proto::UpdateWorktree) -> Fut,
785 Fut: 'static + Send + Future<Output = bool>,
786 {
787 match self {
788 Worktree::Local(this) => this.observe_updates(project_id, cx, callback),
789 Worktree::Remote(this) => this.observe_updates(project_id, cx, callback),
790 }
791 }
792
793 pub fn stop_observing_updates(&mut self) {
794 match self {
795 Worktree::Local(this) => {
796 this.update_observer.take();
797 }
798 Worktree::Remote(this) => {
799 this.update_observer.take();
800 }
801 }
802 }
803
804 #[cfg(any(test, feature = "test-support"))]
805 pub fn has_update_observer(&self) -> bool {
806 match self {
807 Worktree::Local(this) => this.update_observer.is_some(),
808 Worktree::Remote(this) => this.update_observer.is_some(),
809 }
810 }
811
812 pub fn load_file(&self, path: &Path, cx: &Context<Worktree>) -> Task<Result<LoadedFile>> {
813 match self {
814 Worktree::Local(this) => this.load_file(path, cx),
815 Worktree::Remote(_) => {
816 Task::ready(Err(anyhow!("remote worktrees can't yet load files")))
817 }
818 }
819 }
820
821 pub fn load_binary_file(
822 &self,
823 path: &Path,
824 cx: &Context<Worktree>,
825 ) -> Task<Result<LoadedBinaryFile>> {
826 match self {
827 Worktree::Local(this) => this.load_binary_file(path, cx),
828 Worktree::Remote(_) => {
829 Task::ready(Err(anyhow!("remote worktrees can't yet load binary files")))
830 }
831 }
832 }
833
834 pub fn write_file(
835 &self,
836 path: &Path,
837 text: Rope,
838 line_ending: LineEnding,
839 cx: &Context<Worktree>,
840 ) -> Task<Result<Arc<File>>> {
841 match self {
842 Worktree::Local(this) => this.write_file(path, text, line_ending, cx),
843 Worktree::Remote(_) => {
844 Task::ready(Err(anyhow!("remote worktree can't yet write files")))
845 }
846 }
847 }
848
849 pub fn create_entry(
850 &mut self,
851 path: impl Into<Arc<Path>>,
852 is_directory: bool,
853 content: Option<Vec<u8>>,
854 cx: &Context<Worktree>,
855 ) -> Task<Result<CreatedEntry>> {
856 let path: Arc<Path> = path.into();
857 let worktree_id = self.id();
858 match self {
859 Worktree::Local(this) => this.create_entry(path, is_directory, content, cx),
860 Worktree::Remote(this) => {
861 let project_id = this.project_id;
862 let request = this.client.request(proto::CreateProjectEntry {
863 worktree_id: worktree_id.to_proto(),
864 project_id,
865 path: path.as_ref().to_proto(),
866 content,
867 is_directory,
868 });
869 cx.spawn(async move |this, cx| {
870 let response = request.await?;
871 match response.entry {
872 Some(entry) => this
873 .update(cx, |worktree, cx| {
874 worktree.as_remote_mut().unwrap().insert_entry(
875 entry,
876 response.worktree_scan_id as usize,
877 cx,
878 )
879 })?
880 .await
881 .map(CreatedEntry::Included),
882 None => {
883 let abs_path = this.read_with(cx, |worktree, _| {
884 worktree
885 .absolutize(&path)
886 .with_context(|| format!("absolutizing {path:?}"))
887 })??;
888 Ok(CreatedEntry::Excluded { abs_path })
889 }
890 }
891 })
892 }
893 }
894 }
895
896 pub fn delete_entry(
897 &mut self,
898 entry_id: ProjectEntryId,
899 trash: bool,
900 cx: &mut Context<Worktree>,
901 ) -> Option<Task<Result<()>>> {
902 let task = match self {
903 Worktree::Local(this) => this.delete_entry(entry_id, trash, cx),
904 Worktree::Remote(this) => this.delete_entry(entry_id, trash, cx),
905 }?;
906
907 let entry = match &*self {
908 Worktree::Local(this) => this.entry_for_id(entry_id),
909 Worktree::Remote(this) => this.entry_for_id(entry_id),
910 }?;
911
912 let mut ids = vec![entry_id];
913 let path = &*entry.path;
914
915 self.get_children_ids_recursive(path, &mut ids);
916
917 for id in ids {
918 cx.emit(Event::DeletedEntry(id));
919 }
920 Some(task)
921 }
922
923 fn get_children_ids_recursive(&self, path: &Path, ids: &mut Vec<ProjectEntryId>) {
924 let children_iter = self.child_entries(path);
925 for child in children_iter {
926 ids.push(child.id);
927 self.get_children_ids_recursive(&child.path, ids);
928 }
929 }
930
931 pub fn rename_entry(
932 &mut self,
933 entry_id: ProjectEntryId,
934 new_path: impl Into<Arc<Path>>,
935 cx: &Context<Self>,
936 ) -> Task<Result<CreatedEntry>> {
937 let new_path = new_path.into();
938 match self {
939 Worktree::Local(this) => this.rename_entry(entry_id, new_path, cx),
940 Worktree::Remote(this) => this.rename_entry(entry_id, new_path, cx),
941 }
942 }
943
944 pub fn copy_entry(
945 &mut self,
946 entry_id: ProjectEntryId,
947 relative_worktree_source_path: Option<PathBuf>,
948 new_path: impl Into<Arc<Path>>,
949 cx: &Context<Self>,
950 ) -> Task<Result<Option<Entry>>> {
951 let new_path: Arc<Path> = new_path.into();
952 match self {
953 Worktree::Local(this) => {
954 this.copy_entry(entry_id, relative_worktree_source_path, new_path, cx)
955 }
956 Worktree::Remote(this) => {
957 let relative_worktree_source_path = relative_worktree_source_path
958 .map(|relative_worktree_source_path| relative_worktree_source_path.to_proto());
959 let response = this.client.request(proto::CopyProjectEntry {
960 project_id: this.project_id,
961 entry_id: entry_id.to_proto(),
962 relative_worktree_source_path,
963 new_path: new_path.to_proto(),
964 });
965 cx.spawn(async move |this, cx| {
966 let response = response.await?;
967 match response.entry {
968 Some(entry) => this
969 .update(cx, |worktree, cx| {
970 worktree.as_remote_mut().unwrap().insert_entry(
971 entry,
972 response.worktree_scan_id as usize,
973 cx,
974 )
975 })?
976 .await
977 .map(Some),
978 None => Ok(None),
979 }
980 })
981 }
982 }
983 }
984
985 pub fn copy_external_entries(
986 &mut self,
987 target_directory: Arc<Path>,
988 paths: Vec<Arc<Path>>,
989 fs: Arc<dyn Fs>,
990 cx: &Context<Worktree>,
991 ) -> Task<Result<Vec<ProjectEntryId>>> {
992 match self {
993 Worktree::Local(this) => this.copy_external_entries(target_directory, paths, cx),
994 Worktree::Remote(this) => this.copy_external_entries(target_directory, paths, fs, cx),
995 }
996 }
997
998 pub fn expand_entry(
999 &mut self,
1000 entry_id: ProjectEntryId,
1001 cx: &Context<Worktree>,
1002 ) -> Option<Task<Result<()>>> {
1003 match self {
1004 Worktree::Local(this) => this.expand_entry(entry_id, cx),
1005 Worktree::Remote(this) => {
1006 let response = this.client.request(proto::ExpandProjectEntry {
1007 project_id: this.project_id,
1008 entry_id: entry_id.to_proto(),
1009 });
1010 Some(cx.spawn(async move |this, cx| {
1011 let response = response.await?;
1012 this.update(cx, |this, _| {
1013 this.as_remote_mut()
1014 .unwrap()
1015 .wait_for_snapshot(response.worktree_scan_id as usize)
1016 })?
1017 .await?;
1018 Ok(())
1019 }))
1020 }
1021 }
1022 }
1023
1024 pub fn expand_all_for_entry(
1025 &mut self,
1026 entry_id: ProjectEntryId,
1027 cx: &Context<Worktree>,
1028 ) -> Option<Task<Result<()>>> {
1029 match self {
1030 Worktree::Local(this) => this.expand_all_for_entry(entry_id, cx),
1031 Worktree::Remote(this) => {
1032 let response = this.client.request(proto::ExpandAllForProjectEntry {
1033 project_id: this.project_id,
1034 entry_id: entry_id.to_proto(),
1035 });
1036 Some(cx.spawn(async move |this, cx| {
1037 let response = response.await?;
1038 this.update(cx, |this, _| {
1039 this.as_remote_mut()
1040 .unwrap()
1041 .wait_for_snapshot(response.worktree_scan_id as usize)
1042 })?
1043 .await?;
1044 Ok(())
1045 }))
1046 }
1047 }
1048 }
1049
1050 pub async fn handle_create_entry(
1051 this: Entity<Self>,
1052 request: proto::CreateProjectEntry,
1053 mut cx: AsyncApp,
1054 ) -> Result<proto::ProjectEntryResponse> {
1055 let (scan_id, entry) = this.update(&mut cx, |this, cx| {
1056 (
1057 this.scan_id(),
1058 this.create_entry(
1059 Arc::<Path>::from_proto(request.path),
1060 request.is_directory,
1061 request.content,
1062 cx,
1063 ),
1064 )
1065 })?;
1066 Ok(proto::ProjectEntryResponse {
1067 entry: match &entry.await? {
1068 CreatedEntry::Included(entry) => Some(entry.into()),
1069 CreatedEntry::Excluded { .. } => None,
1070 },
1071 worktree_scan_id: scan_id as u64,
1072 })
1073 }
1074
1075 pub async fn handle_delete_entry(
1076 this: Entity<Self>,
1077 request: proto::DeleteProjectEntry,
1078 mut cx: AsyncApp,
1079 ) -> Result<proto::ProjectEntryResponse> {
1080 let (scan_id, task) = this.update(&mut cx, |this, cx| {
1081 (
1082 this.scan_id(),
1083 this.delete_entry(
1084 ProjectEntryId::from_proto(request.entry_id),
1085 request.use_trash,
1086 cx,
1087 ),
1088 )
1089 })?;
1090 task.context("invalid entry")?.await?;
1091 Ok(proto::ProjectEntryResponse {
1092 entry: None,
1093 worktree_scan_id: scan_id as u64,
1094 })
1095 }
1096
1097 pub async fn handle_expand_entry(
1098 this: Entity<Self>,
1099 request: proto::ExpandProjectEntry,
1100 mut cx: AsyncApp,
1101 ) -> Result<proto::ExpandProjectEntryResponse> {
1102 let task = this.update(&mut cx, |this, cx| {
1103 this.expand_entry(ProjectEntryId::from_proto(request.entry_id), cx)
1104 })?;
1105 task.context("no such entry")?.await?;
1106 let scan_id = this.read_with(&cx, |this, _| this.scan_id())?;
1107 Ok(proto::ExpandProjectEntryResponse {
1108 worktree_scan_id: scan_id as u64,
1109 })
1110 }
1111
1112 pub async fn handle_expand_all_for_entry(
1113 this: Entity<Self>,
1114 request: proto::ExpandAllForProjectEntry,
1115 mut cx: AsyncApp,
1116 ) -> Result<proto::ExpandAllForProjectEntryResponse> {
1117 let task = this.update(&mut cx, |this, cx| {
1118 this.expand_all_for_entry(ProjectEntryId::from_proto(request.entry_id), cx)
1119 })?;
1120 task.context("no such entry")?.await?;
1121 let scan_id = this.read_with(&cx, |this, _| this.scan_id())?;
1122 Ok(proto::ExpandAllForProjectEntryResponse {
1123 worktree_scan_id: scan_id as u64,
1124 })
1125 }
1126
1127 pub async fn handle_rename_entry(
1128 this: Entity<Self>,
1129 request: proto::RenameProjectEntry,
1130 mut cx: AsyncApp,
1131 ) -> Result<proto::ProjectEntryResponse> {
1132 let (scan_id, task) = this.update(&mut cx, |this, cx| {
1133 (
1134 this.scan_id(),
1135 this.rename_entry(
1136 ProjectEntryId::from_proto(request.entry_id),
1137 Arc::<Path>::from_proto(request.new_path),
1138 cx,
1139 ),
1140 )
1141 })?;
1142 Ok(proto::ProjectEntryResponse {
1143 entry: match &task.await? {
1144 CreatedEntry::Included(entry) => Some(entry.into()),
1145 CreatedEntry::Excluded { .. } => None,
1146 },
1147 worktree_scan_id: scan_id as u64,
1148 })
1149 }
1150
1151 pub async fn handle_copy_entry(
1152 this: Entity<Self>,
1153 request: proto::CopyProjectEntry,
1154 mut cx: AsyncApp,
1155 ) -> Result<proto::ProjectEntryResponse> {
1156 let (scan_id, task) = this.update(&mut cx, |this, cx| {
1157 let relative_worktree_source_path = request
1158 .relative_worktree_source_path
1159 .map(PathBuf::from_proto);
1160 (
1161 this.scan_id(),
1162 this.copy_entry(
1163 ProjectEntryId::from_proto(request.entry_id),
1164 relative_worktree_source_path,
1165 PathBuf::from_proto(request.new_path),
1166 cx,
1167 ),
1168 )
1169 })?;
1170 Ok(proto::ProjectEntryResponse {
1171 entry: task.await?.as_ref().map(|e| e.into()),
1172 worktree_scan_id: scan_id as u64,
1173 })
1174 }
1175
1176 pub fn dot_git_abs_path(&self, work_directory: &WorkDirectory) -> PathBuf {
1177 let mut path = match work_directory {
1178 WorkDirectory::InProject { relative_path } => self.abs_path().join(relative_path),
1179 WorkDirectory::AboveProject { absolute_path, .. } => absolute_path.as_ref().to_owned(),
1180 };
1181 path.push(".git");
1182 path
1183 }
1184
1185 pub fn is_single_file(&self) -> bool {
1186 self.root_dir().is_none()
1187 }
1188
1189 /// For visible worktrees, returns the path with the worktree name as the first component.
1190 /// Otherwise, returns an absolute path.
1191 pub fn full_path(&self, worktree_relative_path: &Path) -> PathBuf {
1192 let mut full_path = PathBuf::new();
1193
1194 if self.is_visible() {
1195 full_path.push(self.root_name());
1196 } else {
1197 let path = self.abs_path();
1198
1199 if self.is_local() && path.starts_with(home_dir().as_path()) {
1200 full_path.push("~");
1201 full_path.push(path.strip_prefix(home_dir().as_path()).unwrap());
1202 } else {
1203 full_path.push(path)
1204 }
1205 }
1206
1207 if worktree_relative_path.components().next().is_some() {
1208 full_path.push(&worktree_relative_path);
1209 }
1210
1211 full_path
1212 }
1213}
1214
1215impl LocalWorktree {
1216 pub fn fs(&self) -> &Arc<dyn Fs> {
1217 &self.fs
1218 }
1219
1220 pub fn is_path_private(&self, path: &Path) -> bool {
1221 !self.share_private_files && self.settings.is_path_private(path)
1222 }
1223
1224 fn restart_background_scanners(&mut self, cx: &Context<Worktree>) {
1225 let (scan_requests_tx, scan_requests_rx) = channel::unbounded();
1226 let (path_prefixes_to_scan_tx, path_prefixes_to_scan_rx) = channel::unbounded();
1227 self.scan_requests_tx = scan_requests_tx;
1228 self.path_prefixes_to_scan_tx = path_prefixes_to_scan_tx;
1229
1230 self.start_background_scanner(scan_requests_rx, path_prefixes_to_scan_rx, cx);
1231 let always_included_entries = mem::take(&mut self.snapshot.always_included_entries);
1232 log::debug!(
1233 "refreshing entries for the following always included paths: {:?}",
1234 always_included_entries
1235 );
1236
1237 // Cleans up old always included entries to ensure they get updated properly. Otherwise,
1238 // nested always included entries may not get updated and will result in out-of-date info.
1239 self.refresh_entries_for_paths(always_included_entries);
1240 }
1241
1242 fn start_background_scanner(
1243 &mut self,
1244 scan_requests_rx: channel::Receiver<ScanRequest>,
1245 path_prefixes_to_scan_rx: channel::Receiver<PathPrefixScanRequest>,
1246 cx: &Context<Worktree>,
1247 ) {
1248 let snapshot = self.snapshot();
1249 let share_private_files = self.share_private_files;
1250 let next_entry_id = self.next_entry_id.clone();
1251 let fs = self.fs.clone();
1252 let settings = self.settings.clone();
1253 let (scan_states_tx, mut scan_states_rx) = mpsc::unbounded();
1254 let background_scanner = cx.background_spawn({
1255 let abs_path = snapshot.abs_path.as_path().to_path_buf();
1256 let background = cx.background_executor().clone();
1257 async move {
1258 let (events, watcher) = fs.watch(&abs_path, FS_WATCH_LATENCY).await;
1259 let fs_case_sensitive = fs.is_case_sensitive().await.unwrap_or_else(|e| {
1260 log::error!("Failed to determine whether filesystem is case sensitive: {e:#}");
1261 true
1262 });
1263
1264 let mut scanner = BackgroundScanner {
1265 fs,
1266 fs_case_sensitive,
1267 status_updates_tx: scan_states_tx,
1268 executor: background,
1269 scan_requests_rx,
1270 path_prefixes_to_scan_rx,
1271 next_entry_id,
1272 state: Mutex::new(BackgroundScannerState {
1273 prev_snapshot: snapshot.snapshot.clone(),
1274 snapshot,
1275 scanned_dirs: Default::default(),
1276 path_prefixes_to_scan: Default::default(),
1277 paths_to_scan: Default::default(),
1278 removed_entries: Default::default(),
1279 changed_paths: Default::default(),
1280 }),
1281 phase: BackgroundScannerPhase::InitialScan,
1282 share_private_files,
1283 settings,
1284 watcher,
1285 };
1286
1287 scanner
1288 .run(Box::pin(events.map(|events| events.into_iter().collect())))
1289 .await;
1290 }
1291 });
1292 let scan_state_updater = cx.spawn(async move |this, cx| {
1293 while let Some((state, this)) = scan_states_rx.next().await.zip(this.upgrade()) {
1294 this.update(cx, |this, cx| {
1295 let this = this.as_local_mut().unwrap();
1296 match state {
1297 ScanState::Started => {
1298 *this.is_scanning.0.borrow_mut() = true;
1299 }
1300 ScanState::Updated {
1301 snapshot,
1302 changes,
1303 barrier,
1304 scanning,
1305 } => {
1306 *this.is_scanning.0.borrow_mut() = scanning;
1307 this.set_snapshot(snapshot, changes, cx);
1308 drop(barrier);
1309 }
1310 ScanState::RootUpdated { new_path } => {
1311 this.update_abs_path_and_refresh(new_path, cx);
1312 }
1313 }
1314 })
1315 .ok();
1316 }
1317 });
1318 self._background_scanner_tasks = vec![background_scanner, scan_state_updater];
1319 self.is_scanning = watch::channel_with(true);
1320 }
1321
1322 fn set_snapshot(
1323 &mut self,
1324 mut new_snapshot: LocalSnapshot,
1325 entry_changes: UpdatedEntriesSet,
1326 cx: &mut Context<Worktree>,
1327 ) {
1328 let repo_changes = self.changed_repos(&self.snapshot, &mut new_snapshot);
1329 self.snapshot = new_snapshot;
1330
1331 if let Some(share) = self.update_observer.as_mut() {
1332 share
1333 .snapshots_tx
1334 .unbounded_send((self.snapshot.clone(), entry_changes.clone()))
1335 .ok();
1336 }
1337
1338 if !entry_changes.is_empty() {
1339 cx.emit(Event::UpdatedEntries(entry_changes));
1340 }
1341 if !repo_changes.is_empty() {
1342 cx.emit(Event::UpdatedGitRepositories(repo_changes));
1343 }
1344 }
1345
1346 fn changed_repos(
1347 &self,
1348 old_snapshot: &LocalSnapshot,
1349 new_snapshot: &mut LocalSnapshot,
1350 ) -> UpdatedGitRepositoriesSet {
1351 let mut changes = Vec::new();
1352 let mut old_repos = old_snapshot.git_repositories.iter().peekable();
1353 let new_repos = new_snapshot.git_repositories.clone();
1354 let mut new_repos = new_repos.iter().peekable();
1355
1356 loop {
1357 match (new_repos.peek().map(clone), old_repos.peek().map(clone)) {
1358 (Some((new_entry_id, new_repo)), Some((old_entry_id, old_repo))) => {
1359 match Ord::cmp(&new_entry_id, &old_entry_id) {
1360 Ordering::Less => {
1361 changes.push(UpdatedGitRepository {
1362 work_directory_id: new_entry_id,
1363 old_work_directory_abs_path: None,
1364 new_work_directory_abs_path: Some(
1365 new_repo.work_directory_abs_path.clone(),
1366 ),
1367 dot_git_abs_path: Some(new_repo.dot_git_abs_path.clone()),
1368 repository_dir_abs_path: Some(
1369 new_repo.repository_dir_abs_path.clone(),
1370 ),
1371 common_dir_abs_path: Some(new_repo.common_dir_abs_path.clone()),
1372 });
1373 new_repos.next();
1374 }
1375 Ordering::Equal => {
1376 if new_repo.git_dir_scan_id != old_repo.git_dir_scan_id
1377 || new_repo.work_directory_abs_path
1378 != old_repo.work_directory_abs_path
1379 {
1380 changes.push(UpdatedGitRepository {
1381 work_directory_id: new_entry_id,
1382 old_work_directory_abs_path: Some(
1383 old_repo.work_directory_abs_path.clone(),
1384 ),
1385 new_work_directory_abs_path: Some(
1386 new_repo.work_directory_abs_path.clone(),
1387 ),
1388 dot_git_abs_path: Some(new_repo.dot_git_abs_path.clone()),
1389 repository_dir_abs_path: Some(
1390 new_repo.repository_dir_abs_path.clone(),
1391 ),
1392 common_dir_abs_path: Some(new_repo.common_dir_abs_path.clone()),
1393 });
1394 }
1395 new_repos.next();
1396 old_repos.next();
1397 }
1398 Ordering::Greater => {
1399 changes.push(UpdatedGitRepository {
1400 work_directory_id: old_entry_id,
1401 old_work_directory_abs_path: Some(
1402 old_repo.work_directory_abs_path.clone(),
1403 ),
1404 new_work_directory_abs_path: None,
1405 dot_git_abs_path: None,
1406 repository_dir_abs_path: None,
1407 common_dir_abs_path: None,
1408 });
1409 old_repos.next();
1410 }
1411 }
1412 }
1413 (Some((entry_id, repo)), None) => {
1414 changes.push(UpdatedGitRepository {
1415 work_directory_id: entry_id,
1416 old_work_directory_abs_path: None,
1417 new_work_directory_abs_path: Some(repo.work_directory_abs_path.clone()),
1418 dot_git_abs_path: Some(repo.dot_git_abs_path.clone()),
1419 repository_dir_abs_path: Some(repo.repository_dir_abs_path.clone()),
1420 common_dir_abs_path: Some(repo.common_dir_abs_path.clone()),
1421 });
1422 new_repos.next();
1423 }
1424 (None, Some((entry_id, repo))) => {
1425 changes.push(UpdatedGitRepository {
1426 work_directory_id: entry_id,
1427 old_work_directory_abs_path: Some(repo.work_directory_abs_path.clone()),
1428 new_work_directory_abs_path: None,
1429 dot_git_abs_path: Some(repo.dot_git_abs_path.clone()),
1430 repository_dir_abs_path: Some(repo.repository_dir_abs_path.clone()),
1431 common_dir_abs_path: Some(repo.common_dir_abs_path.clone()),
1432 });
1433 old_repos.next();
1434 }
1435 (None, None) => break,
1436 }
1437 }
1438
1439 fn clone<T: Clone, U: Clone>(value: &(&T, &U)) -> (T, U) {
1440 (value.0.clone(), value.1.clone())
1441 }
1442
1443 changes.into()
1444 }
1445
1446 pub fn scan_complete(&self) -> impl Future<Output = ()> + use<> {
1447 let mut is_scanning_rx = self.is_scanning.1.clone();
1448 async move {
1449 let mut is_scanning = *is_scanning_rx.borrow();
1450 while is_scanning {
1451 if let Some(value) = is_scanning_rx.recv().await {
1452 is_scanning = value;
1453 } else {
1454 break;
1455 }
1456 }
1457 }
1458 }
1459
1460 pub fn snapshot(&self) -> LocalSnapshot {
1461 self.snapshot.clone()
1462 }
1463
1464 pub fn settings(&self) -> WorktreeSettings {
1465 self.settings.clone()
1466 }
1467
1468 fn load_binary_file(
1469 &self,
1470 path: &Path,
1471 cx: &Context<Worktree>,
1472 ) -> Task<Result<LoadedBinaryFile>> {
1473 let path = Arc::from(path);
1474 let abs_path = self.absolutize(&path);
1475 let fs = self.fs.clone();
1476 let entry = self.refresh_entry(path.clone(), None, cx);
1477 let is_private = self.is_path_private(path.as_ref());
1478
1479 let worktree = cx.weak_entity();
1480 cx.background_spawn(async move {
1481 let abs_path = abs_path?;
1482 let content = fs.load_bytes(&abs_path).await?;
1483
1484 let worktree = worktree.upgrade().context("worktree was dropped")?;
1485 let file = match entry.await? {
1486 Some(entry) => File::for_entry(entry, worktree),
1487 None => {
1488 let metadata = fs
1489 .metadata(&abs_path)
1490 .await
1491 .with_context(|| {
1492 format!("Loading metadata for excluded file {abs_path:?}")
1493 })?
1494 .with_context(|| {
1495 format!("Excluded file {abs_path:?} got removed during loading")
1496 })?;
1497 Arc::new(File {
1498 entry_id: None,
1499 worktree,
1500 path,
1501 disk_state: DiskState::Present {
1502 mtime: metadata.mtime,
1503 },
1504 is_local: true,
1505 is_private,
1506 })
1507 }
1508 };
1509
1510 Ok(LoadedBinaryFile { file, content })
1511 })
1512 }
1513
1514 fn load_file(&self, path: &Path, cx: &Context<Worktree>) -> Task<Result<LoadedFile>> {
1515 let path = Arc::from(path);
1516 let abs_path = self.absolutize(&path);
1517 let fs = self.fs.clone();
1518 let entry = self.refresh_entry(path.clone(), None, cx);
1519 let is_private = self.is_path_private(path.as_ref());
1520
1521 cx.spawn(async move |this, _cx| {
1522 let abs_path = abs_path?;
1523 // WARN: Temporary workaround for #27283.
1524 // We are not efficient with our memory usage per file, and use in excess of 64GB for a 10GB file
1525 // Therefore, as a temporary workaround to prevent system freezes, we just bail before opening a file
1526 // if it is too large
1527 // 5GB seems to be more reasonable, peaking at ~16GB, while 6GB jumps up to >24GB which seems like a
1528 // reasonable limit
1529 {
1530 const FILE_SIZE_MAX: u64 = 6 * 1024 * 1024 * 1024; // 6GB
1531 if let Ok(Some(metadata)) = fs.metadata(&abs_path).await {
1532 if metadata.len >= FILE_SIZE_MAX {
1533 anyhow::bail!("File is too large to load");
1534 }
1535 }
1536 }
1537 let text = fs.load(&abs_path).await?;
1538
1539 let worktree = this.upgrade().context("worktree was dropped")?;
1540 let file = match entry.await? {
1541 Some(entry) => File::for_entry(entry, worktree),
1542 None => {
1543 let metadata = fs
1544 .metadata(&abs_path)
1545 .await
1546 .with_context(|| {
1547 format!("Loading metadata for excluded file {abs_path:?}")
1548 })?
1549 .with_context(|| {
1550 format!("Excluded file {abs_path:?} got removed during loading")
1551 })?;
1552 Arc::new(File {
1553 entry_id: None,
1554 worktree,
1555 path,
1556 disk_state: DiskState::Present {
1557 mtime: metadata.mtime,
1558 },
1559 is_local: true,
1560 is_private,
1561 })
1562 }
1563 };
1564
1565 Ok(LoadedFile { file, text })
1566 })
1567 }
1568
1569 /// Find the lowest path in the worktree's datastructures that is an ancestor
1570 fn lowest_ancestor(&self, path: &Path) -> PathBuf {
1571 let mut lowest_ancestor = None;
1572 for path in path.ancestors() {
1573 if self.entry_for_path(path).is_some() {
1574 lowest_ancestor = Some(path.to_path_buf());
1575 break;
1576 }
1577 }
1578
1579 lowest_ancestor.unwrap_or_else(|| PathBuf::from(""))
1580 }
1581
1582 fn create_entry(
1583 &self,
1584 path: impl Into<Arc<Path>>,
1585 is_dir: bool,
1586 content: Option<Vec<u8>>,
1587 cx: &Context<Worktree>,
1588 ) -> Task<Result<CreatedEntry>> {
1589 let path = path.into();
1590 let abs_path = match self.absolutize(&path) {
1591 Ok(path) => path,
1592 Err(e) => return Task::ready(Err(e.context(format!("absolutizing path {path:?}")))),
1593 };
1594 let path_excluded = self.settings.is_path_excluded(&abs_path);
1595 let fs = self.fs.clone();
1596 let task_abs_path = abs_path.clone();
1597 let write = cx.background_spawn(async move {
1598 if is_dir {
1599 fs.create_dir(&task_abs_path)
1600 .await
1601 .with_context(|| format!("creating directory {task_abs_path:?}"))
1602 } else {
1603 fs.write(&task_abs_path, content.as_deref().unwrap_or(&[]))
1604 .await
1605 .with_context(|| format!("creating file {task_abs_path:?}"))
1606 }
1607 });
1608
1609 let lowest_ancestor = self.lowest_ancestor(&path);
1610 cx.spawn(async move |this, cx| {
1611 write.await?;
1612 if path_excluded {
1613 return Ok(CreatedEntry::Excluded { abs_path });
1614 }
1615
1616 let (result, refreshes) = this.update(cx, |this, cx| {
1617 let mut refreshes = Vec::new();
1618 let refresh_paths = path.strip_prefix(&lowest_ancestor).unwrap();
1619 for refresh_path in refresh_paths.ancestors() {
1620 if refresh_path == Path::new("") {
1621 continue;
1622 }
1623 let refresh_full_path = lowest_ancestor.join(refresh_path);
1624
1625 refreshes.push(this.as_local_mut().unwrap().refresh_entry(
1626 refresh_full_path.into(),
1627 None,
1628 cx,
1629 ));
1630 }
1631 (
1632 this.as_local_mut().unwrap().refresh_entry(path, None, cx),
1633 refreshes,
1634 )
1635 })?;
1636 for refresh in refreshes {
1637 refresh.await.log_err();
1638 }
1639
1640 Ok(result
1641 .await?
1642 .map(CreatedEntry::Included)
1643 .unwrap_or_else(|| CreatedEntry::Excluded { abs_path }))
1644 })
1645 }
1646
1647 fn write_file(
1648 &self,
1649 path: impl Into<Arc<Path>>,
1650 text: Rope,
1651 line_ending: LineEnding,
1652 cx: &Context<Worktree>,
1653 ) -> Task<Result<Arc<File>>> {
1654 let path = path.into();
1655 let fs = self.fs.clone();
1656 let is_private = self.is_path_private(&path);
1657 let Ok(abs_path) = self.absolutize(&path) else {
1658 return Task::ready(Err(anyhow!("invalid path {path:?}")));
1659 };
1660
1661 let write = cx.background_spawn({
1662 let fs = fs.clone();
1663 let abs_path = abs_path.clone();
1664 async move { fs.save(&abs_path, &text, line_ending).await }
1665 });
1666
1667 cx.spawn(async move |this, cx| {
1668 write.await?;
1669 let entry = this
1670 .update(cx, |this, cx| {
1671 this.as_local_mut()
1672 .unwrap()
1673 .refresh_entry(path.clone(), None, cx)
1674 })?
1675 .await?;
1676 let worktree = this.upgrade().context("worktree dropped")?;
1677 if let Some(entry) = entry {
1678 Ok(File::for_entry(entry, worktree))
1679 } else {
1680 let metadata = fs
1681 .metadata(&abs_path)
1682 .await
1683 .with_context(|| {
1684 format!("Fetching metadata after saving the excluded buffer {abs_path:?}")
1685 })?
1686 .with_context(|| {
1687 format!("Excluded buffer {path:?} got removed during saving")
1688 })?;
1689 Ok(Arc::new(File {
1690 worktree,
1691 path,
1692 disk_state: DiskState::Present {
1693 mtime: metadata.mtime,
1694 },
1695 entry_id: None,
1696 is_local: true,
1697 is_private,
1698 }))
1699 }
1700 })
1701 }
1702
1703 fn delete_entry(
1704 &self,
1705 entry_id: ProjectEntryId,
1706 trash: bool,
1707 cx: &Context<Worktree>,
1708 ) -> Option<Task<Result<()>>> {
1709 let entry = self.entry_for_id(entry_id)?.clone();
1710 let abs_path = self.absolutize(&entry.path);
1711 let fs = self.fs.clone();
1712
1713 let delete = cx.background_spawn(async move {
1714 if entry.is_file() {
1715 if trash {
1716 fs.trash_file(&abs_path?, Default::default()).await?;
1717 } else {
1718 fs.remove_file(&abs_path?, Default::default()).await?;
1719 }
1720 } else if trash {
1721 fs.trash_dir(
1722 &abs_path?,
1723 RemoveOptions {
1724 recursive: true,
1725 ignore_if_not_exists: false,
1726 },
1727 )
1728 .await?;
1729 } else {
1730 fs.remove_dir(
1731 &abs_path?,
1732 RemoveOptions {
1733 recursive: true,
1734 ignore_if_not_exists: false,
1735 },
1736 )
1737 .await?;
1738 }
1739 anyhow::Ok(entry.path)
1740 });
1741
1742 Some(cx.spawn(async move |this, cx| {
1743 let path = delete.await?;
1744 this.update(cx, |this, _| {
1745 this.as_local_mut()
1746 .unwrap()
1747 .refresh_entries_for_paths(vec![path])
1748 })?
1749 .recv()
1750 .await;
1751 Ok(())
1752 }))
1753 }
1754
1755 /// Rename an entry.
1756 ///
1757 /// `new_path` is the new relative path to the worktree root.
1758 /// If the root entry is renamed then `new_path` is the new root name instead.
1759 fn rename_entry(
1760 &self,
1761 entry_id: ProjectEntryId,
1762 new_path: impl Into<Arc<Path>>,
1763 cx: &Context<Worktree>,
1764 ) -> Task<Result<CreatedEntry>> {
1765 let old_path = match self.entry_for_id(entry_id) {
1766 Some(entry) => entry.path.clone(),
1767 None => return Task::ready(Err(anyhow!("no entry to rename for id {entry_id:?}"))),
1768 };
1769 let new_path = new_path.into();
1770 let abs_old_path = self.absolutize(&old_path);
1771
1772 let is_root_entry = self.root_entry().is_some_and(|e| e.id == entry_id);
1773 let abs_new_path = if is_root_entry {
1774 let Some(root_parent_path) = self.abs_path().parent() else {
1775 return Task::ready(Err(anyhow!("no parent for path {:?}", self.abs_path)));
1776 };
1777 root_parent_path.join(&new_path)
1778 } else {
1779 let Ok(absolutize_path) = self.absolutize(&new_path) else {
1780 return Task::ready(Err(anyhow!("absolutizing path {new_path:?}")));
1781 };
1782 absolutize_path
1783 };
1784 let abs_path = abs_new_path.clone();
1785 let fs = self.fs.clone();
1786 let case_sensitive = self.fs_case_sensitive;
1787 let rename = cx.background_spawn(async move {
1788 let abs_old_path = abs_old_path?;
1789 let abs_new_path = abs_new_path;
1790
1791 let abs_old_path_lower = abs_old_path.to_str().map(|p| p.to_lowercase());
1792 let abs_new_path_lower = abs_new_path.to_str().map(|p| p.to_lowercase());
1793
1794 // If we're on a case-insensitive FS and we're doing a case-only rename (i.e. `foobar` to `FOOBAR`)
1795 // we want to overwrite, because otherwise we run into a file-already-exists error.
1796 let overwrite = !case_sensitive
1797 && abs_old_path != abs_new_path
1798 && abs_old_path_lower == abs_new_path_lower;
1799
1800 fs.rename(
1801 &abs_old_path,
1802 &abs_new_path,
1803 fs::RenameOptions {
1804 overwrite,
1805 ..Default::default()
1806 },
1807 )
1808 .await
1809 .with_context(|| format!("Renaming {abs_old_path:?} into {abs_new_path:?}"))
1810 });
1811
1812 cx.spawn(async move |this, cx| {
1813 rename.await?;
1814 Ok(this
1815 .update(cx, |this, cx| {
1816 let local = this.as_local_mut().unwrap();
1817 if is_root_entry {
1818 // We eagerly update `abs_path` and refresh this worktree.
1819 // Otherwise, the FS watcher would do it on the `RootUpdated` event,
1820 // but with a noticeable delay, so we handle it proactively.
1821 local.update_abs_path_and_refresh(
1822 Some(SanitizedPath::from(abs_path.clone())),
1823 cx,
1824 );
1825 Task::ready(Ok(this.root_entry().cloned()))
1826 } else {
1827 local.refresh_entry(new_path.clone(), Some(old_path), cx)
1828 }
1829 })?
1830 .await?
1831 .map(CreatedEntry::Included)
1832 .unwrap_or_else(|| CreatedEntry::Excluded { abs_path }))
1833 })
1834 }
1835
1836 fn copy_entry(
1837 &self,
1838 entry_id: ProjectEntryId,
1839 relative_worktree_source_path: Option<PathBuf>,
1840 new_path: impl Into<Arc<Path>>,
1841 cx: &Context<Worktree>,
1842 ) -> Task<Result<Option<Entry>>> {
1843 let old_path = match self.entry_for_id(entry_id) {
1844 Some(entry) => entry.path.clone(),
1845 None => return Task::ready(Ok(None)),
1846 };
1847 let new_path = new_path.into();
1848 let abs_old_path =
1849 if let Some(relative_worktree_source_path) = relative_worktree_source_path {
1850 Ok(self.abs_path().join(relative_worktree_source_path))
1851 } else {
1852 self.absolutize(&old_path)
1853 };
1854 let abs_new_path = self.absolutize(&new_path);
1855 let fs = self.fs.clone();
1856 let copy = cx.background_spawn(async move {
1857 copy_recursive(
1858 fs.as_ref(),
1859 &abs_old_path?,
1860 &abs_new_path?,
1861 Default::default(),
1862 )
1863 .await
1864 });
1865
1866 cx.spawn(async move |this, cx| {
1867 copy.await?;
1868 this.update(cx, |this, cx| {
1869 this.as_local_mut()
1870 .unwrap()
1871 .refresh_entry(new_path.clone(), None, cx)
1872 })?
1873 .await
1874 })
1875 }
1876
1877 pub fn copy_external_entries(
1878 &self,
1879 target_directory: Arc<Path>,
1880 paths: Vec<Arc<Path>>,
1881 cx: &Context<Worktree>,
1882 ) -> Task<Result<Vec<ProjectEntryId>>> {
1883 let Ok(target_directory) = self.absolutize(&target_directory) else {
1884 return Task::ready(Err(anyhow!("invalid target path")));
1885 };
1886 let worktree_path = self.abs_path().clone();
1887 let fs = self.fs.clone();
1888 let paths = paths
1889 .into_iter()
1890 .filter_map(|source| {
1891 let file_name = source.file_name()?;
1892 let mut target = target_directory.clone();
1893 target.push(file_name);
1894
1895 // Do not allow copying the same file to itself.
1896 if source.as_ref() != target.as_path() {
1897 Some((source, target))
1898 } else {
1899 None
1900 }
1901 })
1902 .collect::<Vec<_>>();
1903
1904 let paths_to_refresh = paths
1905 .iter()
1906 .filter_map(|(_, target)| Some(target.strip_prefix(&worktree_path).ok()?.into()))
1907 .collect::<Vec<_>>();
1908
1909 cx.spawn(async move |this, cx| {
1910 cx.background_spawn(async move {
1911 for (source, target) in paths {
1912 copy_recursive(
1913 fs.as_ref(),
1914 &source,
1915 &target,
1916 fs::CopyOptions {
1917 overwrite: true,
1918 ..Default::default()
1919 },
1920 )
1921 .await
1922 .with_context(|| {
1923 format!("Failed to copy file from {source:?} to {target:?}")
1924 })?;
1925 }
1926 anyhow::Ok(())
1927 })
1928 .await
1929 .log_err();
1930 let mut refresh = cx.read_entity(
1931 &this.upgrade().with_context(|| "Dropped worktree")?,
1932 |this, _| {
1933 anyhow::Ok::<postage::barrier::Receiver>(
1934 this.as_local()
1935 .with_context(|| "Worktree is not local")?
1936 .refresh_entries_for_paths(paths_to_refresh.clone()),
1937 )
1938 },
1939 )??;
1940
1941 cx.background_spawn(async move {
1942 refresh.next().await;
1943 anyhow::Ok(())
1944 })
1945 .await
1946 .log_err();
1947
1948 let this = this.upgrade().with_context(|| "Dropped worktree")?;
1949 cx.read_entity(&this, |this, _| {
1950 paths_to_refresh
1951 .iter()
1952 .filter_map(|path| Some(this.entry_for_path(path)?.id))
1953 .collect()
1954 })
1955 })
1956 }
1957
1958 fn expand_entry(
1959 &self,
1960 entry_id: ProjectEntryId,
1961 cx: &Context<Worktree>,
1962 ) -> Option<Task<Result<()>>> {
1963 let path = self.entry_for_id(entry_id)?.path.clone();
1964 let mut refresh = self.refresh_entries_for_paths(vec![path]);
1965 Some(cx.background_spawn(async move {
1966 refresh.next().await;
1967 Ok(())
1968 }))
1969 }
1970
1971 fn expand_all_for_entry(
1972 &self,
1973 entry_id: ProjectEntryId,
1974 cx: &Context<Worktree>,
1975 ) -> Option<Task<Result<()>>> {
1976 let path = self.entry_for_id(entry_id).unwrap().path.clone();
1977 let mut rx = self.add_path_prefix_to_scan(path.clone());
1978 Some(cx.background_spawn(async move {
1979 rx.next().await;
1980 Ok(())
1981 }))
1982 }
1983
1984 fn refresh_entries_for_paths(&self, paths: Vec<Arc<Path>>) -> barrier::Receiver {
1985 let (tx, rx) = barrier::channel();
1986 self.scan_requests_tx
1987 .try_send(ScanRequest {
1988 relative_paths: paths,
1989 done: smallvec![tx],
1990 })
1991 .ok();
1992 rx
1993 }
1994
1995 #[cfg(feature = "test-support")]
1996 pub fn manually_refresh_entries_for_paths(&self, paths: Vec<Arc<Path>>) -> barrier::Receiver {
1997 self.refresh_entries_for_paths(paths)
1998 }
1999
2000 pub fn add_path_prefix_to_scan(&self, path_prefix: Arc<Path>) -> barrier::Receiver {
2001 let (tx, rx) = barrier::channel();
2002 self.path_prefixes_to_scan_tx
2003 .try_send(PathPrefixScanRequest {
2004 path: path_prefix,
2005 done: smallvec![tx],
2006 })
2007 .ok();
2008 rx
2009 }
2010
2011 fn refresh_entry(
2012 &self,
2013 path: Arc<Path>,
2014 old_path: Option<Arc<Path>>,
2015 cx: &Context<Worktree>,
2016 ) -> Task<Result<Option<Entry>>> {
2017 if self.settings.is_path_excluded(&path) {
2018 return Task::ready(Ok(None));
2019 }
2020 let paths = if let Some(old_path) = old_path.as_ref() {
2021 vec![old_path.clone(), path.clone()]
2022 } else {
2023 vec![path.clone()]
2024 };
2025 let t0 = Instant::now();
2026 let mut refresh = self.refresh_entries_for_paths(paths);
2027 cx.spawn(async move |this, cx| {
2028 refresh.recv().await;
2029 log::trace!("refreshed entry {path:?} in {:?}", t0.elapsed());
2030 let new_entry = this.read_with(cx, |this, _| {
2031 this.entry_for_path(path)
2032 .cloned()
2033 .context("reading path after update")
2034 })??;
2035 Ok(Some(new_entry))
2036 })
2037 }
2038
2039 fn observe_updates<F, Fut>(&mut self, project_id: u64, cx: &Context<Worktree>, callback: F)
2040 where
2041 F: 'static + Send + Fn(proto::UpdateWorktree) -> Fut,
2042 Fut: 'static + Send + Future<Output = bool>,
2043 {
2044 if let Some(observer) = self.update_observer.as_mut() {
2045 *observer.resume_updates.borrow_mut() = ();
2046 return;
2047 }
2048
2049 let (resume_updates_tx, mut resume_updates_rx) = watch::channel::<()>();
2050 let (snapshots_tx, mut snapshots_rx) =
2051 mpsc::unbounded::<(LocalSnapshot, UpdatedEntriesSet)>();
2052 snapshots_tx
2053 .unbounded_send((self.snapshot(), Arc::default()))
2054 .ok();
2055
2056 let worktree_id = cx.entity_id().as_u64();
2057 let _maintain_remote_snapshot = cx.background_spawn(async move {
2058 let mut is_first = true;
2059 while let Some((snapshot, entry_changes)) = snapshots_rx.next().await {
2060 let update = if is_first {
2061 is_first = false;
2062 snapshot.build_initial_update(project_id, worktree_id)
2063 } else {
2064 snapshot.build_update(project_id, worktree_id, entry_changes)
2065 };
2066
2067 for update in proto::split_worktree_update(update) {
2068 let _ = resume_updates_rx.try_recv();
2069 loop {
2070 let result = callback(update.clone());
2071 if result.await {
2072 break;
2073 } else {
2074 log::info!("waiting to resume updates");
2075 if resume_updates_rx.next().await.is_none() {
2076 return Some(());
2077 }
2078 }
2079 }
2080 }
2081 }
2082 Some(())
2083 });
2084
2085 self.update_observer = Some(UpdateObservationState {
2086 snapshots_tx,
2087 resume_updates: resume_updates_tx,
2088 _maintain_remote_snapshot,
2089 });
2090 }
2091
2092 pub fn share_private_files(&mut self, cx: &Context<Worktree>) {
2093 self.share_private_files = true;
2094 self.restart_background_scanners(cx);
2095 }
2096
2097 fn update_abs_path_and_refresh(
2098 &mut self,
2099 new_path: Option<SanitizedPath>,
2100 cx: &Context<Worktree>,
2101 ) {
2102 if let Some(new_path) = new_path {
2103 self.snapshot.git_repositories = Default::default();
2104 self.snapshot.ignores_by_parent_abs_path = Default::default();
2105 let root_name = new_path
2106 .as_path()
2107 .file_name()
2108 .map_or(String::new(), |f| f.to_string_lossy().to_string());
2109 self.snapshot.update_abs_path(new_path, root_name);
2110 }
2111 self.restart_background_scanners(cx);
2112 }
2113}
2114
2115impl RemoteWorktree {
2116 pub fn project_id(&self) -> u64 {
2117 self.project_id
2118 }
2119
2120 pub fn client(&self) -> AnyProtoClient {
2121 self.client.clone()
2122 }
2123
2124 pub fn disconnected_from_host(&mut self) {
2125 self.updates_tx.take();
2126 self.snapshot_subscriptions.clear();
2127 self.disconnected = true;
2128 }
2129
2130 pub fn update_from_remote(&self, update: proto::UpdateWorktree) {
2131 if let Some(updates_tx) = &self.updates_tx {
2132 updates_tx
2133 .unbounded_send(update)
2134 .expect("consumer runs to completion");
2135 }
2136 }
2137
2138 fn observe_updates<F, Fut>(&mut self, project_id: u64, cx: &Context<Worktree>, callback: F)
2139 where
2140 F: 'static + Send + Fn(proto::UpdateWorktree) -> Fut,
2141 Fut: 'static + Send + Future<Output = bool>,
2142 {
2143 let (tx, mut rx) = mpsc::unbounded();
2144 let initial_update = self
2145 .snapshot
2146 .build_initial_update(project_id, self.id().to_proto());
2147 self.update_observer = Some(tx);
2148 cx.spawn(async move |this, cx| {
2149 let mut update = initial_update;
2150 'outer: loop {
2151 // SSH projects use a special project ID of 0, and we need to
2152 // remap it to the correct one here.
2153 update.project_id = project_id;
2154
2155 for chunk in split_worktree_update(update) {
2156 if !callback(chunk).await {
2157 break 'outer;
2158 }
2159 }
2160
2161 if let Some(next_update) = rx.next().await {
2162 update = next_update;
2163 } else {
2164 break;
2165 }
2166 }
2167 this.update(cx, |this, _| {
2168 let this = this.as_remote_mut().unwrap();
2169 this.update_observer.take();
2170 })
2171 })
2172 .detach();
2173 }
2174
2175 fn observed_snapshot(&self, scan_id: usize) -> bool {
2176 self.completed_scan_id >= scan_id
2177 }
2178
2179 pub fn wait_for_snapshot(
2180 &mut self,
2181 scan_id: usize,
2182 ) -> impl Future<Output = Result<()>> + use<> {
2183 let (tx, rx) = oneshot::channel();
2184 if self.observed_snapshot(scan_id) {
2185 let _ = tx.send(());
2186 } else if self.disconnected {
2187 drop(tx);
2188 } else {
2189 match self
2190 .snapshot_subscriptions
2191 .binary_search_by_key(&scan_id, |probe| probe.0)
2192 {
2193 Ok(ix) | Err(ix) => self.snapshot_subscriptions.insert(ix, (scan_id, tx)),
2194 }
2195 }
2196
2197 async move {
2198 rx.await?;
2199 Ok(())
2200 }
2201 }
2202
2203 fn insert_entry(
2204 &mut self,
2205 entry: proto::Entry,
2206 scan_id: usize,
2207 cx: &Context<Worktree>,
2208 ) -> Task<Result<Entry>> {
2209 let wait_for_snapshot = self.wait_for_snapshot(scan_id);
2210 cx.spawn(async move |this, cx| {
2211 wait_for_snapshot.await?;
2212 this.update(cx, |worktree, _| {
2213 let worktree = worktree.as_remote_mut().unwrap();
2214 let snapshot = &mut worktree.background_snapshot.lock().0;
2215 let entry = snapshot.insert_entry(entry, &worktree.file_scan_inclusions);
2216 worktree.snapshot = snapshot.clone();
2217 entry
2218 })?
2219 })
2220 }
2221
2222 fn delete_entry(
2223 &self,
2224 entry_id: ProjectEntryId,
2225 trash: bool,
2226 cx: &Context<Worktree>,
2227 ) -> Option<Task<Result<()>>> {
2228 let response = self.client.request(proto::DeleteProjectEntry {
2229 project_id: self.project_id,
2230 entry_id: entry_id.to_proto(),
2231 use_trash: trash,
2232 });
2233 Some(cx.spawn(async move |this, cx| {
2234 let response = response.await?;
2235 let scan_id = response.worktree_scan_id as usize;
2236
2237 this.update(cx, move |this, _| {
2238 this.as_remote_mut().unwrap().wait_for_snapshot(scan_id)
2239 })?
2240 .await?;
2241
2242 this.update(cx, |this, _| {
2243 let this = this.as_remote_mut().unwrap();
2244 let snapshot = &mut this.background_snapshot.lock().0;
2245 snapshot.delete_entry(entry_id);
2246 this.snapshot = snapshot.clone();
2247 })
2248 }))
2249 }
2250
2251 fn rename_entry(
2252 &self,
2253 entry_id: ProjectEntryId,
2254 new_path: impl Into<Arc<Path>>,
2255 cx: &Context<Worktree>,
2256 ) -> Task<Result<CreatedEntry>> {
2257 let new_path: Arc<Path> = new_path.into();
2258 let response = self.client.request(proto::RenameProjectEntry {
2259 project_id: self.project_id,
2260 entry_id: entry_id.to_proto(),
2261 new_path: new_path.as_ref().to_proto(),
2262 });
2263 cx.spawn(async move |this, cx| {
2264 let response = response.await?;
2265 match response.entry {
2266 Some(entry) => this
2267 .update(cx, |this, cx| {
2268 this.as_remote_mut().unwrap().insert_entry(
2269 entry,
2270 response.worktree_scan_id as usize,
2271 cx,
2272 )
2273 })?
2274 .await
2275 .map(CreatedEntry::Included),
2276 None => {
2277 let abs_path = this.read_with(cx, |worktree, _| {
2278 worktree
2279 .absolutize(&new_path)
2280 .with_context(|| format!("absolutizing {new_path:?}"))
2281 })??;
2282 Ok(CreatedEntry::Excluded { abs_path })
2283 }
2284 }
2285 })
2286 }
2287
2288 fn copy_external_entries(
2289 &self,
2290 target_directory: Arc<Path>,
2291 paths_to_copy: Vec<Arc<Path>>,
2292 local_fs: Arc<dyn Fs>,
2293 cx: &Context<Worktree>,
2294 ) -> Task<anyhow::Result<Vec<ProjectEntryId>>> {
2295 let client = self.client.clone();
2296 let worktree_id = self.id().to_proto();
2297 let project_id = self.project_id;
2298
2299 cx.background_spawn(async move {
2300 let mut requests = Vec::new();
2301 for root_path_to_copy in paths_to_copy {
2302 let Some(filename) = root_path_to_copy.file_name() else {
2303 continue;
2304 };
2305 for (abs_path, is_directory) in
2306 read_dir_items(local_fs.as_ref(), &root_path_to_copy).await?
2307 {
2308 let Ok(relative_path) = abs_path.strip_prefix(&root_path_to_copy) else {
2309 continue;
2310 };
2311 let content = if is_directory {
2312 None
2313 } else {
2314 Some(local_fs.load_bytes(&abs_path).await?)
2315 };
2316
2317 let mut target_path = target_directory.join(filename);
2318 if relative_path.file_name().is_some() {
2319 target_path.push(relative_path)
2320 }
2321
2322 requests.push(proto::CreateProjectEntry {
2323 project_id,
2324 worktree_id,
2325 path: target_path.to_string_lossy().to_string(),
2326 is_directory,
2327 content,
2328 });
2329 }
2330 }
2331 requests.sort_unstable_by(|a, b| a.path.cmp(&b.path));
2332 requests.dedup();
2333
2334 let mut copied_entry_ids = Vec::new();
2335 for request in requests {
2336 let response = client.request(request).await?;
2337 copied_entry_ids.extend(response.entry.map(|e| ProjectEntryId::from_proto(e.id)));
2338 }
2339
2340 Ok(copied_entry_ids)
2341 })
2342 }
2343}
2344
2345impl Snapshot {
2346 pub fn new(id: u64, root_name: String, abs_path: Arc<Path>) -> Self {
2347 Snapshot {
2348 id: WorktreeId::from_usize(id as usize),
2349 abs_path: abs_path.into(),
2350 root_char_bag: root_name.chars().map(|c| c.to_ascii_lowercase()).collect(),
2351 root_name,
2352 always_included_entries: Default::default(),
2353 entries_by_path: Default::default(),
2354 entries_by_id: Default::default(),
2355 scan_id: 1,
2356 completed_scan_id: 0,
2357 }
2358 }
2359
2360 pub fn id(&self) -> WorktreeId {
2361 self.id
2362 }
2363
2364 // TODO:
2365 // Consider the following:
2366 //
2367 // ```rust
2368 // let abs_path: Arc<Path> = snapshot.abs_path(); // e.g. "C:\Users\user\Desktop\project"
2369 // let some_non_trimmed_path = Path::new("\\\\?\\C:\\Users\\user\\Desktop\\project\\main.rs");
2370 // // The caller perform some actions here:
2371 // some_non_trimmed_path.strip_prefix(abs_path); // This fails
2372 // some_non_trimmed_path.starts_with(abs_path); // This fails too
2373 // ```
2374 //
2375 // This is definitely a bug, but it's not clear if we should handle it here or not.
2376 pub fn abs_path(&self) -> &Arc<Path> {
2377 self.abs_path.as_path()
2378 }
2379
2380 fn build_initial_update(&self, project_id: u64, worktree_id: u64) -> proto::UpdateWorktree {
2381 let mut updated_entries = self
2382 .entries_by_path
2383 .iter()
2384 .map(proto::Entry::from)
2385 .collect::<Vec<_>>();
2386 updated_entries.sort_unstable_by_key(|e| e.id);
2387
2388 proto::UpdateWorktree {
2389 project_id,
2390 worktree_id,
2391 abs_path: self.abs_path().to_proto(),
2392 root_name: self.root_name().to_string(),
2393 updated_entries,
2394 removed_entries: Vec::new(),
2395 scan_id: self.scan_id as u64,
2396 is_last_update: self.completed_scan_id == self.scan_id,
2397 // Sent in separate messages.
2398 updated_repositories: Vec::new(),
2399 removed_repositories: Vec::new(),
2400 }
2401 }
2402
2403 pub fn work_directory_abs_path(&self, work_directory: &WorkDirectory) -> Result<PathBuf> {
2404 match work_directory {
2405 WorkDirectory::InProject { relative_path } => self.absolutize(relative_path),
2406 WorkDirectory::AboveProject { absolute_path, .. } => {
2407 Ok(absolute_path.as_ref().to_owned())
2408 }
2409 }
2410 }
2411
2412 pub fn absolutize(&self, path: &Path) -> Result<PathBuf> {
2413 if path
2414 .components()
2415 .any(|component| !matches!(component, std::path::Component::Normal(_)))
2416 {
2417 anyhow::bail!("invalid path");
2418 }
2419 if path.file_name().is_some() {
2420 Ok(self.abs_path.as_path().join(path))
2421 } else {
2422 Ok(self.abs_path.as_path().to_path_buf())
2423 }
2424 }
2425
2426 pub fn contains_entry(&self, entry_id: ProjectEntryId) -> bool {
2427 self.entries_by_id.get(&entry_id, &()).is_some()
2428 }
2429
2430 fn insert_entry(
2431 &mut self,
2432 entry: proto::Entry,
2433 always_included_paths: &PathMatcher,
2434 ) -> Result<Entry> {
2435 let entry = Entry::try_from((&self.root_char_bag, always_included_paths, entry))?;
2436 let old_entry = self.entries_by_id.insert_or_replace(
2437 PathEntry {
2438 id: entry.id,
2439 path: entry.path.clone(),
2440 is_ignored: entry.is_ignored,
2441 scan_id: 0,
2442 },
2443 &(),
2444 );
2445 if let Some(old_entry) = old_entry {
2446 self.entries_by_path.remove(&PathKey(old_entry.path), &());
2447 }
2448 self.entries_by_path.insert_or_replace(entry.clone(), &());
2449 Ok(entry)
2450 }
2451
2452 fn delete_entry(&mut self, entry_id: ProjectEntryId) -> Option<Arc<Path>> {
2453 let removed_entry = self.entries_by_id.remove(&entry_id, &())?;
2454 self.entries_by_path = {
2455 let mut cursor = self.entries_by_path.cursor::<TraversalProgress>(&());
2456 let mut new_entries_by_path =
2457 cursor.slice(&TraversalTarget::path(&removed_entry.path), Bias::Left, &());
2458 while let Some(entry) = cursor.item() {
2459 if entry.path.starts_with(&removed_entry.path) {
2460 self.entries_by_id.remove(&entry.id, &());
2461 cursor.next(&());
2462 } else {
2463 break;
2464 }
2465 }
2466 new_entries_by_path.append(cursor.suffix(&()), &());
2467 new_entries_by_path
2468 };
2469
2470 Some(removed_entry.path)
2471 }
2472
2473 fn update_abs_path(&mut self, abs_path: SanitizedPath, root_name: String) {
2474 self.abs_path = abs_path;
2475 if root_name != self.root_name {
2476 self.root_char_bag = root_name.chars().map(|c| c.to_ascii_lowercase()).collect();
2477 self.root_name = root_name;
2478 }
2479 }
2480
2481 fn apply_remote_update(
2482 &mut self,
2483 update: proto::UpdateWorktree,
2484 always_included_paths: &PathMatcher,
2485 ) -> Result<()> {
2486 log::debug!(
2487 "applying remote worktree update. {} entries updated, {} removed",
2488 update.updated_entries.len(),
2489 update.removed_entries.len()
2490 );
2491 self.update_abs_path(
2492 SanitizedPath::from(PathBuf::from_proto(update.abs_path)),
2493 update.root_name,
2494 );
2495
2496 let mut entries_by_path_edits = Vec::new();
2497 let mut entries_by_id_edits = Vec::new();
2498
2499 for entry_id in update.removed_entries {
2500 let entry_id = ProjectEntryId::from_proto(entry_id);
2501 entries_by_id_edits.push(Edit::Remove(entry_id));
2502 if let Some(entry) = self.entry_for_id(entry_id) {
2503 entries_by_path_edits.push(Edit::Remove(PathKey(entry.path.clone())));
2504 }
2505 }
2506
2507 for entry in update.updated_entries {
2508 let entry = Entry::try_from((&self.root_char_bag, always_included_paths, entry))?;
2509 if let Some(PathEntry { path, .. }) = self.entries_by_id.get(&entry.id, &()) {
2510 entries_by_path_edits.push(Edit::Remove(PathKey(path.clone())));
2511 }
2512 if let Some(old_entry) = self.entries_by_path.get(&PathKey(entry.path.clone()), &()) {
2513 if old_entry.id != entry.id {
2514 entries_by_id_edits.push(Edit::Remove(old_entry.id));
2515 }
2516 }
2517 entries_by_id_edits.push(Edit::Insert(PathEntry {
2518 id: entry.id,
2519 path: entry.path.clone(),
2520 is_ignored: entry.is_ignored,
2521 scan_id: 0,
2522 }));
2523 entries_by_path_edits.push(Edit::Insert(entry));
2524 }
2525
2526 self.entries_by_path.edit(entries_by_path_edits, &());
2527 self.entries_by_id.edit(entries_by_id_edits, &());
2528
2529 self.scan_id = update.scan_id as usize;
2530 if update.is_last_update {
2531 self.completed_scan_id = update.scan_id as usize;
2532 }
2533
2534 Ok(())
2535 }
2536
2537 pub fn entry_count(&self) -> usize {
2538 self.entries_by_path.summary().count
2539 }
2540
2541 pub fn visible_entry_count(&self) -> usize {
2542 self.entries_by_path.summary().non_ignored_count
2543 }
2544
2545 pub fn dir_count(&self) -> usize {
2546 let summary = self.entries_by_path.summary();
2547 summary.count - summary.file_count
2548 }
2549
2550 pub fn visible_dir_count(&self) -> usize {
2551 let summary = self.entries_by_path.summary();
2552 summary.non_ignored_count - summary.non_ignored_file_count
2553 }
2554
2555 pub fn file_count(&self) -> usize {
2556 self.entries_by_path.summary().file_count
2557 }
2558
2559 pub fn visible_file_count(&self) -> usize {
2560 self.entries_by_path.summary().non_ignored_file_count
2561 }
2562
2563 fn traverse_from_offset(
2564 &self,
2565 include_files: bool,
2566 include_dirs: bool,
2567 include_ignored: bool,
2568 start_offset: usize,
2569 ) -> Traversal<'_> {
2570 let mut cursor = self.entries_by_path.cursor(&());
2571 cursor.seek(
2572 &TraversalTarget::Count {
2573 count: start_offset,
2574 include_files,
2575 include_dirs,
2576 include_ignored,
2577 },
2578 Bias::Right,
2579 &(),
2580 );
2581 Traversal {
2582 snapshot: self,
2583 cursor,
2584 include_files,
2585 include_dirs,
2586 include_ignored,
2587 }
2588 }
2589
2590 pub fn traverse_from_path(
2591 &self,
2592 include_files: bool,
2593 include_dirs: bool,
2594 include_ignored: bool,
2595 path: &Path,
2596 ) -> Traversal<'_> {
2597 Traversal::new(self, include_files, include_dirs, include_ignored, path)
2598 }
2599
2600 pub fn files(&self, include_ignored: bool, start: usize) -> Traversal<'_> {
2601 self.traverse_from_offset(true, false, include_ignored, start)
2602 }
2603
2604 pub fn directories(&self, include_ignored: bool, start: usize) -> Traversal<'_> {
2605 self.traverse_from_offset(false, true, include_ignored, start)
2606 }
2607
2608 pub fn entries(&self, include_ignored: bool, start: usize) -> Traversal<'_> {
2609 self.traverse_from_offset(true, true, include_ignored, start)
2610 }
2611
2612 pub fn paths(&self) -> impl Iterator<Item = &Arc<Path>> {
2613 let empty_path = Path::new("");
2614 self.entries_by_path
2615 .cursor::<()>(&())
2616 .filter(move |entry| entry.path.as_ref() != empty_path)
2617 .map(|entry| &entry.path)
2618 }
2619
2620 pub fn child_entries<'a>(&'a self, parent_path: &'a Path) -> ChildEntriesIter<'a> {
2621 let options = ChildEntriesOptions {
2622 include_files: true,
2623 include_dirs: true,
2624 include_ignored: true,
2625 };
2626 self.child_entries_with_options(parent_path, options)
2627 }
2628
2629 pub fn child_entries_with_options<'a>(
2630 &'a self,
2631 parent_path: &'a Path,
2632 options: ChildEntriesOptions,
2633 ) -> ChildEntriesIter<'a> {
2634 let mut cursor = self.entries_by_path.cursor(&());
2635 cursor.seek(&TraversalTarget::path(parent_path), Bias::Right, &());
2636 let traversal = Traversal {
2637 snapshot: self,
2638 cursor,
2639 include_files: options.include_files,
2640 include_dirs: options.include_dirs,
2641 include_ignored: options.include_ignored,
2642 };
2643 ChildEntriesIter {
2644 traversal,
2645 parent_path,
2646 }
2647 }
2648
2649 pub fn root_entry(&self) -> Option<&Entry> {
2650 self.entries_by_path.first()
2651 }
2652
2653 /// TODO: what's the difference between `root_dir` and `abs_path`?
2654 /// is there any? if so, document it.
2655 pub fn root_dir(&self) -> Option<Arc<Path>> {
2656 self.root_entry()
2657 .filter(|entry| entry.is_dir())
2658 .map(|_| self.abs_path().clone())
2659 }
2660
2661 pub fn root_name(&self) -> &str {
2662 &self.root_name
2663 }
2664
2665 pub fn scan_id(&self) -> usize {
2666 self.scan_id
2667 }
2668
2669 pub fn entry_for_path(&self, path: impl AsRef<Path>) -> Option<&Entry> {
2670 // let path = path.as_ref();
2671 // debug_assert!(path.is_relative());
2672 // self.traverse_from_path(true, true, true, path)
2673 // .entry()
2674 // .and_then(|entry| {
2675 // if entry.path.as_ref() == path {
2676 // Some(entry)
2677 // } else {
2678 // None
2679 // }
2680 // })
2681 todo!()
2682 }
2683
2684 pub fn entry_for_id(&self, id: ProjectEntryId) -> Option<&Entry> {
2685 let entry = self.entries_by_id.get(&id, &())?;
2686 self.entry_for_path(&entry.path)
2687 }
2688
2689 pub fn inode_for_path(&self, path: impl AsRef<Path>) -> Option<u64> {
2690 self.entry_for_path(path.as_ref()).map(|e| e.inode)
2691 }
2692}
2693
2694impl LocalSnapshot {
2695 fn local_repo_for_work_directory_path(&self, path: &Path) -> Option<&LocalRepositoryEntry> {
2696 self.git_repositories
2697 .iter()
2698 .map(|(_, entry)| entry)
2699 .find(|entry| entry.work_directory.path_key() == PathKey(path.into()))
2700 }
2701
2702 fn build_update(
2703 &self,
2704 project_id: u64,
2705 worktree_id: u64,
2706 entry_changes: UpdatedEntriesSet,
2707 ) -> proto::UpdateWorktree {
2708 let mut updated_entries = Vec::new();
2709 let mut removed_entries = Vec::new();
2710
2711 for (_, entry_id, path_change) in entry_changes.iter() {
2712 if let PathChange::Removed = path_change {
2713 removed_entries.push(entry_id.0 as u64);
2714 } else if let Some(entry) = self.entry_for_id(*entry_id) {
2715 updated_entries.push(proto::Entry::from(entry));
2716 }
2717 }
2718
2719 removed_entries.sort_unstable();
2720 updated_entries.sort_unstable_by_key(|e| e.id);
2721
2722 // TODO - optimize, knowing that removed_entries are sorted.
2723 removed_entries.retain(|id| updated_entries.binary_search_by_key(id, |e| e.id).is_err());
2724
2725 proto::UpdateWorktree {
2726 project_id,
2727 worktree_id,
2728 abs_path: self.abs_path().to_proto(),
2729 root_name: self.root_name().to_string(),
2730 updated_entries,
2731 removed_entries,
2732 scan_id: self.scan_id as u64,
2733 is_last_update: self.completed_scan_id == self.scan_id,
2734 // Sent in separate messages.
2735 updated_repositories: Vec::new(),
2736 removed_repositories: Vec::new(),
2737 }
2738 }
2739
2740 fn insert_entry(&mut self, mut entry: Entry, fs: &dyn Fs) -> Entry {
2741 if entry.is_file() && entry.path.file_name() == Some(&GITIGNORE) {
2742 let abs_path = self.abs_path.as_path().join(&entry.path);
2743 match smol::block_on(build_gitignore(&abs_path, fs)) {
2744 Ok(ignore) => {
2745 self.ignores_by_parent_abs_path
2746 .insert(abs_path.parent().unwrap().into(), (Arc::new(ignore), true));
2747 }
2748 Err(error) => {
2749 log::error!(
2750 "error loading .gitignore file {:?} - {:?}",
2751 &entry.path,
2752 error
2753 );
2754 }
2755 }
2756 }
2757
2758 if entry.kind == EntryKind::PendingDir {
2759 if let Some(existing_entry) =
2760 self.entries_by_path.get(&PathKey(entry.path.clone()), &())
2761 {
2762 entry.kind = existing_entry.kind;
2763 }
2764 }
2765
2766 let scan_id = self.scan_id;
2767 let removed = self.entries_by_path.insert_or_replace(entry.clone(), &());
2768 if let Some(removed) = removed {
2769 if removed.id != entry.id {
2770 self.entries_by_id.remove(&removed.id, &());
2771 }
2772 }
2773 self.entries_by_id.insert_or_replace(
2774 PathEntry {
2775 id: entry.id,
2776 path: entry.path.clone(),
2777 is_ignored: entry.is_ignored,
2778 scan_id,
2779 },
2780 &(),
2781 );
2782
2783 entry
2784 }
2785
2786 fn ancestor_inodes_for_path(&self, path: &Path) -> TreeSet<u64> {
2787 let mut inodes = TreeSet::default();
2788 for ancestor in path.ancestors().skip(1) {
2789 if let Some(entry) = self.entry_for_path(ancestor) {
2790 inodes.insert(entry.inode);
2791 }
2792 }
2793 inodes
2794 }
2795
2796 fn ignore_stack_for_abs_path(&self, abs_path: &Path, is_dir: bool) -> Arc<IgnoreStack> {
2797 let mut new_ignores = Vec::new();
2798 for (index, ancestor) in abs_path.ancestors().enumerate() {
2799 if index > 0 {
2800 if let Some((ignore, _)) = self.ignores_by_parent_abs_path.get(ancestor) {
2801 new_ignores.push((ancestor, Some(ignore.clone())));
2802 } else {
2803 new_ignores.push((ancestor, None));
2804 }
2805 }
2806 if ancestor.join(*DOT_GIT).exists() {
2807 break;
2808 }
2809 }
2810
2811 let mut ignore_stack = IgnoreStack::none();
2812 for (parent_abs_path, ignore) in new_ignores.into_iter().rev() {
2813 if ignore_stack.is_abs_path_ignored(parent_abs_path, true) {
2814 ignore_stack = IgnoreStack::all();
2815 break;
2816 } else if let Some(ignore) = ignore {
2817 ignore_stack = ignore_stack.append(parent_abs_path.into(), ignore);
2818 }
2819 }
2820
2821 if ignore_stack.is_abs_path_ignored(abs_path, is_dir) {
2822 ignore_stack = IgnoreStack::all();
2823 }
2824
2825 ignore_stack
2826 }
2827
2828 #[cfg(test)]
2829 fn expanded_entries(&self) -> impl Iterator<Item = &Entry> {
2830 self.entries_by_path
2831 .cursor::<()>(&())
2832 .filter(|entry| entry.kind == EntryKind::Dir && (entry.is_external || entry.is_ignored))
2833 }
2834
2835 #[cfg(test)]
2836 pub fn check_invariants(&self, git_state: bool) {
2837 use pretty_assertions::assert_eq;
2838
2839 assert_eq!(
2840 self.entries_by_path
2841 .cursor::<()>(&())
2842 .map(|e| (&e.path, e.id))
2843 .collect::<Vec<_>>(),
2844 self.entries_by_id
2845 .cursor::<()>(&())
2846 .map(|e| (&e.path, e.id))
2847 .collect::<collections::BTreeSet<_>>()
2848 .into_iter()
2849 .collect::<Vec<_>>(),
2850 "entries_by_path and entries_by_id are inconsistent"
2851 );
2852
2853 let mut files = self.files(true, 0);
2854 let mut visible_files = self.files(false, 0);
2855 for entry in self.entries_by_path.cursor::<()>(&()) {
2856 if entry.is_file() {
2857 assert_eq!(files.next().unwrap().inode, entry.inode);
2858 if (!entry.is_ignored && !entry.is_external) || entry.is_always_included {
2859 assert_eq!(visible_files.next().unwrap().inode, entry.inode);
2860 }
2861 }
2862 }
2863
2864 assert!(files.next().is_none());
2865 assert!(visible_files.next().is_none());
2866
2867 let mut bfs_paths = Vec::new();
2868 let mut stack = self
2869 .root_entry()
2870 .map(|e| e.path.as_ref())
2871 .into_iter()
2872 .collect::<Vec<_>>();
2873 while let Some(path) = stack.pop() {
2874 bfs_paths.push(path);
2875 let ix = stack.len();
2876 for child_entry in self.child_entries(path) {
2877 stack.insert(ix, &child_entry.path);
2878 }
2879 }
2880
2881 let dfs_paths_via_iter = self
2882 .entries_by_path
2883 .cursor::<()>(&())
2884 .map(|e| e.path.as_ref())
2885 .collect::<Vec<_>>();
2886 assert_eq!(bfs_paths, dfs_paths_via_iter);
2887
2888 let dfs_paths_via_traversal = self
2889 .entries(true, 0)
2890 .map(|e| e.path.as_ref())
2891 .collect::<Vec<_>>();
2892 assert_eq!(dfs_paths_via_traversal, dfs_paths_via_iter);
2893
2894 if git_state {
2895 for ignore_parent_abs_path in self.ignores_by_parent_abs_path.keys() {
2896 let ignore_parent_path = ignore_parent_abs_path
2897 .strip_prefix(self.abs_path.as_path())
2898 .unwrap();
2899 assert!(self.entry_for_path(ignore_parent_path).is_some());
2900 assert!(
2901 self.entry_for_path(ignore_parent_path.join(*GITIGNORE))
2902 .is_some()
2903 );
2904 }
2905 }
2906 }
2907
2908 #[cfg(test)]
2909 pub fn entries_without_ids(&self, include_ignored: bool) -> Vec<(&Path, u64, bool)> {
2910 let mut paths = Vec::new();
2911 for entry in self.entries_by_path.cursor::<()>(&()) {
2912 if include_ignored || !entry.is_ignored {
2913 paths.push((entry.path.as_ref(), entry.inode, entry.is_ignored));
2914 }
2915 }
2916 paths.sort_by(|a, b| a.0.cmp(b.0));
2917 paths
2918 }
2919}
2920
2921impl BackgroundScannerState {
2922 fn should_scan_directory(&self, entry: &Entry) -> bool {
2923 (!entry.is_external && (!entry.is_ignored || entry.is_always_included))
2924 || entry.path.file_name() == Some(*DOT_GIT)
2925 || entry.path.file_name() == Some(local_settings_folder_relative_path().as_os_str())
2926 || entry.path.file_name() == Some(local_vscode_folder_relative_path().as_os_str())
2927 || self.scanned_dirs.contains(&entry.id) // If we've ever scanned it, keep scanning
2928 || self
2929 .paths_to_scan
2930 .iter()
2931 .any(|p| p.starts_with(&entry.path))
2932 || self
2933 .path_prefixes_to_scan
2934 .iter()
2935 .any(|p| entry.path.starts_with(p))
2936 }
2937
2938 fn enqueue_scan_dir(&self, abs_path: Arc<Path>, entry: &Entry, scan_job_tx: &Sender<ScanJob>) {
2939 let path = entry.path.clone();
2940 let ignore_stack = self.snapshot.ignore_stack_for_abs_path(&abs_path, true);
2941 let mut ancestor_inodes = self.snapshot.ancestor_inodes_for_path(&path);
2942
2943 if !ancestor_inodes.contains(&entry.inode) {
2944 ancestor_inodes.insert(entry.inode);
2945 scan_job_tx
2946 .try_send(ScanJob {
2947 abs_path,
2948 path,
2949 ignore_stack,
2950 scan_queue: scan_job_tx.clone(),
2951 ancestor_inodes,
2952 is_external: entry.is_external,
2953 })
2954 .unwrap();
2955 }
2956 }
2957
2958 fn reuse_entry_id(&mut self, entry: &mut Entry) {
2959 if let Some(mtime) = entry.mtime {
2960 // If an entry with the same inode was removed from the worktree during this scan,
2961 // then it *might* represent the same file or directory. But the OS might also have
2962 // re-used the inode for a completely different file or directory.
2963 //
2964 // Conditionally reuse the old entry's id:
2965 // * if the mtime is the same, the file was probably been renamed.
2966 // * if the path is the same, the file may just have been updated
2967 if let Some(removed_entry) = self.removed_entries.remove(&entry.inode) {
2968 if removed_entry.mtime == Some(mtime) || removed_entry.path == entry.path {
2969 entry.id = removed_entry.id;
2970 }
2971 } else if let Some(existing_entry) = self.snapshot.entry_for_path(&entry.path) {
2972 entry.id = existing_entry.id;
2973 }
2974 }
2975 }
2976
2977 fn insert_entry(&mut self, mut entry: Entry, fs: &dyn Fs, watcher: &dyn Watcher) -> Entry {
2978 self.reuse_entry_id(&mut entry);
2979 let entry = self.snapshot.insert_entry(entry, fs);
2980 if entry.path.file_name() == Some(&DOT_GIT) {
2981 self.insert_git_repository(entry.path.clone(), fs, watcher);
2982 }
2983
2984 #[cfg(test)]
2985 self.snapshot.check_invariants(false);
2986
2987 entry
2988 }
2989
2990 fn populate_dir(
2991 &mut self,
2992 parent_path: &Arc<Path>,
2993 entries: impl IntoIterator<Item = Entry>,
2994 ignore: Option<Arc<Gitignore>>,
2995 ) {
2996 let mut parent_entry = if let Some(parent_entry) = self
2997 .snapshot
2998 .entries_by_path
2999 .get(&PathKey(parent_path.clone()), &())
3000 {
3001 parent_entry.clone()
3002 } else {
3003 log::warn!(
3004 "populating a directory {:?} that has been removed",
3005 parent_path
3006 );
3007 return;
3008 };
3009
3010 match parent_entry.kind {
3011 EntryKind::PendingDir | EntryKind::UnloadedDir => parent_entry.kind = EntryKind::Dir,
3012 EntryKind::Dir => {}
3013 _ => return,
3014 }
3015
3016 if let Some(ignore) = ignore {
3017 let abs_parent_path = self.snapshot.abs_path.as_path().join(parent_path).into();
3018 self.snapshot
3019 .ignores_by_parent_abs_path
3020 .insert(abs_parent_path, (ignore, false));
3021 }
3022
3023 let parent_entry_id = parent_entry.id;
3024 self.scanned_dirs.insert(parent_entry_id);
3025 let mut entries_by_path_edits = vec![Edit::Insert(parent_entry)];
3026 let mut entries_by_id_edits = Vec::new();
3027
3028 for entry in entries {
3029 entries_by_id_edits.push(Edit::Insert(PathEntry {
3030 id: entry.id,
3031 path: entry.path.clone(),
3032 is_ignored: entry.is_ignored,
3033 scan_id: self.snapshot.scan_id,
3034 }));
3035 entries_by_path_edits.push(Edit::Insert(entry));
3036 }
3037
3038 self.snapshot
3039 .entries_by_path
3040 .edit(entries_by_path_edits, &());
3041 self.snapshot.entries_by_id.edit(entries_by_id_edits, &());
3042
3043 if let Err(ix) = self.changed_paths.binary_search(parent_path) {
3044 self.changed_paths.insert(ix, parent_path.clone());
3045 }
3046
3047 #[cfg(test)]
3048 self.snapshot.check_invariants(false);
3049 }
3050
3051 fn remove_path(&mut self, path: &Path) {
3052 log::trace!("background scanner removing path {path:?}");
3053 let mut new_entries;
3054 let removed_entries;
3055 {
3056 let mut cursor = self
3057 .snapshot
3058 .entries_by_path
3059 .cursor::<TraversalProgress>(&());
3060 new_entries = cursor.slice(&TraversalTarget::path(path), Bias::Left, &());
3061 removed_entries = cursor.slice(&TraversalTarget::successor(path), Bias::Left, &());
3062 new_entries.append(cursor.suffix(&()), &());
3063 }
3064 self.snapshot.entries_by_path = new_entries;
3065
3066 let mut removed_ids = Vec::with_capacity(removed_entries.summary().count);
3067 for entry in removed_entries.cursor::<()>(&()) {
3068 match self.removed_entries.entry(entry.inode) {
3069 hash_map::Entry::Occupied(mut e) => {
3070 let prev_removed_entry = e.get_mut();
3071 if entry.id > prev_removed_entry.id {
3072 *prev_removed_entry = entry.clone();
3073 }
3074 }
3075 hash_map::Entry::Vacant(e) => {
3076 e.insert(entry.clone());
3077 }
3078 }
3079
3080 if entry.path.file_name() == Some(&GITIGNORE) {
3081 let abs_parent_path = self
3082 .snapshot
3083 .abs_path
3084 .as_path()
3085 .join(entry.path.parent().unwrap());
3086 if let Some((_, needs_update)) = self
3087 .snapshot
3088 .ignores_by_parent_abs_path
3089 .get_mut(abs_parent_path.as_path())
3090 {
3091 *needs_update = true;
3092 }
3093 }
3094
3095 if let Err(ix) = removed_ids.binary_search(&entry.id) {
3096 removed_ids.insert(ix, entry.id);
3097 }
3098 }
3099
3100 self.snapshot.entries_by_id.edit(
3101 removed_ids.iter().map(|&id| Edit::Remove(id)).collect(),
3102 &(),
3103 );
3104 self.snapshot
3105 .git_repositories
3106 .retain(|id, _| removed_ids.binary_search(id).is_err());
3107
3108 #[cfg(test)]
3109 self.snapshot.check_invariants(false);
3110 }
3111
3112 fn insert_git_repository(
3113 &mut self,
3114 dot_git_path: Arc<Path>,
3115 fs: &dyn Fs,
3116 watcher: &dyn Watcher,
3117 ) {
3118 let work_dir_path: Arc<Path> = match dot_git_path.parent() {
3119 Some(parent_dir) => {
3120 // Guard against repositories inside the repository metadata
3121 if parent_dir.iter().any(|component| component == *DOT_GIT) {
3122 log::debug!(
3123 "not building git repository for nested `.git` directory, `.git` path in the worktree: {dot_git_path:?}"
3124 );
3125 return;
3126 };
3127
3128 parent_dir.into()
3129 }
3130 None => {
3131 // `dot_git_path.parent().is_none()` means `.git` directory is the opened worktree itself,
3132 // no files inside that directory are tracked by git, so no need to build the repo around it
3133 log::debug!(
3134 "not building git repository for the worktree itself, `.git` path in the worktree: {dot_git_path:?}"
3135 );
3136 return;
3137 }
3138 };
3139
3140 self.insert_git_repository_for_path(
3141 WorkDirectory::InProject {
3142 relative_path: work_dir_path,
3143 },
3144 dot_git_path,
3145 fs,
3146 watcher,
3147 );
3148 }
3149
3150 fn insert_git_repository_for_path(
3151 &mut self,
3152 work_directory: WorkDirectory,
3153 dot_git_path: Arc<Path>,
3154 fs: &dyn Fs,
3155 watcher: &dyn Watcher,
3156 ) -> Option<LocalRepositoryEntry> {
3157 let work_dir_entry = self.snapshot.entry_for_path(work_directory.path_key().0)?;
3158 let work_directory_abs_path = self
3159 .snapshot
3160 .work_directory_abs_path(&work_directory)
3161 .log_err()?;
3162
3163 if self
3164 .snapshot
3165 .git_repositories
3166 .get(&work_dir_entry.id)
3167 .is_some()
3168 {
3169 log::trace!("existing git repository for {work_directory:?}");
3170 return None;
3171 }
3172
3173 let dot_git_abs_path: Arc<Path> = self
3174 .snapshot
3175 .abs_path
3176 .as_path()
3177 .join(&dot_git_path)
3178 .as_path()
3179 .into();
3180
3181 let (repository_dir_abs_path, common_dir_abs_path) =
3182 discover_git_paths(&dot_git_abs_path, fs);
3183 watcher.add(&common_dir_abs_path).log_err();
3184 if !repository_dir_abs_path.starts_with(&common_dir_abs_path) {
3185 watcher.add(&repository_dir_abs_path).log_err();
3186 }
3187
3188 let work_directory_id = work_dir_entry.id;
3189
3190 let local_repository = LocalRepositoryEntry {
3191 work_directory_id,
3192 work_directory,
3193 work_directory_abs_path: work_directory_abs_path.as_path().into(),
3194 git_dir_scan_id: 0,
3195 dot_git_abs_path,
3196 common_dir_abs_path,
3197 repository_dir_abs_path,
3198 };
3199
3200 self.snapshot
3201 .git_repositories
3202 .insert(work_directory_id, local_repository.clone());
3203
3204 log::trace!("inserting new local git repository");
3205 Some(local_repository)
3206 }
3207}
3208
3209async fn is_git_dir(path: &Path, fs: &dyn Fs) -> bool {
3210 if path.file_name() == Some(&*DOT_GIT) {
3211 return true;
3212 }
3213
3214 // If we're in a bare repository, we are not inside a `.git` folder. In a
3215 // bare repository, the root folder contains what would normally be in the
3216 // `.git` folder.
3217 let head_metadata = fs.metadata(&path.join("HEAD")).await;
3218 if !matches!(head_metadata, Ok(Some(_))) {
3219 return false;
3220 }
3221 let config_metadata = fs.metadata(&path.join("config")).await;
3222 matches!(config_metadata, Ok(Some(_)))
3223}
3224
3225async fn build_gitignore(abs_path: &Path, fs: &dyn Fs) -> Result<Gitignore> {
3226 let contents = fs.load(abs_path).await?;
3227 let parent = abs_path.parent().unwrap_or_else(|| Path::new("/"));
3228 let mut builder = GitignoreBuilder::new(parent);
3229 for line in contents.lines() {
3230 builder.add_line(Some(abs_path.into()), line)?;
3231 }
3232 Ok(builder.build()?)
3233}
3234
3235impl Deref for Worktree {
3236 type Target = Snapshot;
3237
3238 fn deref(&self) -> &Self::Target {
3239 match self {
3240 Worktree::Local(worktree) => &worktree.snapshot,
3241 Worktree::Remote(worktree) => &worktree.snapshot,
3242 }
3243 }
3244}
3245
3246impl Deref for LocalWorktree {
3247 type Target = LocalSnapshot;
3248
3249 fn deref(&self) -> &Self::Target {
3250 &self.snapshot
3251 }
3252}
3253
3254impl Deref for RemoteWorktree {
3255 type Target = Snapshot;
3256
3257 fn deref(&self) -> &Self::Target {
3258 &self.snapshot
3259 }
3260}
3261
3262impl fmt::Debug for LocalWorktree {
3263 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3264 self.snapshot.fmt(f)
3265 }
3266}
3267
3268impl fmt::Debug for Snapshot {
3269 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3270 struct EntriesById<'a>(&'a SumTree<PathEntry>);
3271 struct EntriesByPath<'a>(&'a SumTree<Entry>);
3272
3273 impl fmt::Debug for EntriesByPath<'_> {
3274 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3275 f.debug_map()
3276 .entries(self.0.iter().map(|entry| (&entry.path, entry.id)))
3277 .finish()
3278 }
3279 }
3280
3281 impl fmt::Debug for EntriesById<'_> {
3282 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3283 f.debug_list().entries(self.0.iter()).finish()
3284 }
3285 }
3286
3287 f.debug_struct("Snapshot")
3288 .field("id", &self.id)
3289 .field("root_name", &self.root_name)
3290 .field("entries_by_path", &EntriesByPath(&self.entries_by_path))
3291 .field("entries_by_id", &EntriesById(&self.entries_by_id))
3292 .finish()
3293 }
3294}
3295
3296#[derive(Debug, Clone, PartialEq)]
3297pub struct File {
3298 pub worktree: Entity<Worktree>,
3299 pub path: Arc<Path>,
3300 pub disk_state: DiskState,
3301 pub entry_id: Option<ProjectEntryId>,
3302 pub is_local: bool,
3303 pub is_private: bool,
3304}
3305
3306impl language::File for File {
3307 fn as_local(&self) -> Option<&dyn language::LocalFile> {
3308 if self.is_local { Some(self) } else { None }
3309 }
3310
3311 fn disk_state(&self) -> DiskState {
3312 self.disk_state
3313 }
3314
3315 fn path(&self) -> &Arc<Path> {
3316 &self.path
3317 }
3318
3319 fn full_path(&self, cx: &App) -> PathBuf {
3320 self.worktree.read(cx).full_path(&self.path)
3321 }
3322
3323 /// Returns the last component of this handle's absolute path. If this handle refers to the root
3324 /// of its worktree, then this method will return the name of the worktree itself.
3325 fn file_name<'a>(&'a self, cx: &'a App) -> OsString {
3326 self.path
3327 .file_name()
3328 .map(Into::into)
3329 .unwrap_or_else(|| OsStr::new(&self.worktree.read(cx).root_name).into())
3330 }
3331
3332 fn worktree_id(&self, cx: &App) -> WorktreeId {
3333 self.worktree.read(cx).id()
3334 }
3335
3336 fn to_proto(&self, cx: &App) -> rpc::proto::File {
3337 rpc::proto::File {
3338 worktree_id: self.worktree.read(cx).id().to_proto(),
3339 entry_id: self.entry_id.map(|id| id.to_proto()),
3340 path: self.path.as_ref().to_proto(),
3341 mtime: self.disk_state.mtime().map(|time| time.into()),
3342 is_deleted: self.disk_state == DiskState::Deleted,
3343 }
3344 }
3345
3346 fn is_private(&self) -> bool {
3347 self.is_private
3348 }
3349}
3350
3351impl language::LocalFile for File {
3352 fn abs_path(&self, cx: &App) -> PathBuf {
3353 let worktree_path = &self.worktree.read(cx).abs_path();
3354 if self.path.as_ref() == Path::new("") {
3355 worktree_path.to_path_buf()
3356 } else {
3357 worktree_path.join(&self.path)
3358 }
3359 }
3360
3361 fn load(&self, cx: &App) -> Task<Result<String>> {
3362 let worktree = self.worktree.read(cx);
3363 let worktree = worktree.as_local().unwrap();
3364 let abs_path = worktree.absolutize(&self.path);
3365 let fs = worktree.fs.clone();
3366 cx.background_spawn(async move { fs.load(&abs_path?).await })
3367 }
3368
3369 fn load_bytes(&self, cx: &App) -> Task<Result<Vec<u8>>> {
3370 let worktree = self.worktree.read(cx);
3371 let worktree = worktree.as_local().unwrap();
3372 let abs_path = worktree.absolutize(&self.path);
3373 let fs = worktree.fs.clone();
3374 cx.background_spawn(async move { fs.load_bytes(&abs_path?).await })
3375 }
3376}
3377
3378impl File {
3379 pub fn for_entry(entry: Entry, worktree: Entity<Worktree>) -> Arc<Self> {
3380 Arc::new(Self {
3381 worktree,
3382 path: entry.path.clone(),
3383 disk_state: if let Some(mtime) = entry.mtime {
3384 DiskState::Present { mtime }
3385 } else {
3386 DiskState::New
3387 },
3388 entry_id: Some(entry.id),
3389 is_local: true,
3390 is_private: entry.is_private,
3391 })
3392 }
3393
3394 pub fn from_proto(
3395 proto: rpc::proto::File,
3396 worktree: Entity<Worktree>,
3397 cx: &App,
3398 ) -> Result<Self> {
3399 let worktree_id = worktree.read(cx).as_remote().context("not remote")?.id();
3400
3401 anyhow::ensure!(
3402 worktree_id.to_proto() == proto.worktree_id,
3403 "worktree id does not match file"
3404 );
3405
3406 let disk_state = if proto.is_deleted {
3407 DiskState::Deleted
3408 } else {
3409 if let Some(mtime) = proto.mtime.map(&Into::into) {
3410 DiskState::Present { mtime }
3411 } else {
3412 DiskState::New
3413 }
3414 };
3415
3416 Ok(Self {
3417 worktree,
3418 path: Arc::<Path>::from_proto(proto.path),
3419 disk_state,
3420 entry_id: proto.entry_id.map(ProjectEntryId::from_proto),
3421 is_local: false,
3422 is_private: false,
3423 })
3424 }
3425
3426 pub fn from_dyn(file: Option<&Arc<dyn language::File>>) -> Option<&Self> {
3427 file.and_then(|f| {
3428 let f: &dyn language::File = f.borrow();
3429 let f: &dyn Any = f;
3430 f.downcast_ref()
3431 })
3432 }
3433
3434 pub fn worktree_id(&self, cx: &App) -> WorktreeId {
3435 self.worktree.read(cx).id()
3436 }
3437
3438 pub fn project_entry_id(&self, _: &App) -> Option<ProjectEntryId> {
3439 match self.disk_state {
3440 DiskState::Deleted => None,
3441 _ => self.entry_id,
3442 }
3443 }
3444}
3445
3446#[derive(Clone, Debug, PartialEq, Eq)]
3447pub struct Entry {
3448 pub id: ProjectEntryId,
3449 pub kind: EntryKind,
3450 pub path: Arc<Path>,
3451 pub inode: u64,
3452 pub mtime: Option<MTime>,
3453
3454 pub canonical_path: Option<Arc<Path>>,
3455 /// Whether this entry is ignored by Git.
3456 ///
3457 /// We only scan ignored entries once the directory is expanded and
3458 /// exclude them from searches.
3459 pub is_ignored: bool,
3460
3461 /// Whether this entry is always included in searches.
3462 ///
3463 /// This is used for entries that are always included in searches, even
3464 /// if they are ignored by git. Overridden by file_scan_exclusions.
3465 pub is_always_included: bool,
3466
3467 /// Whether this entry's canonical path is outside of the worktree.
3468 /// This means the entry is only accessible from the worktree root via a
3469 /// symlink.
3470 ///
3471 /// We only scan entries outside of the worktree once the symlinked
3472 /// directory is expanded. External entries are treated like gitignored
3473 /// entries in that they are not included in searches.
3474 pub is_external: bool,
3475
3476 /// Whether this entry is considered to be a `.env` file.
3477 pub is_private: bool,
3478 /// The entry's size on disk, in bytes.
3479 pub size: u64,
3480 pub char_bag: CharBag,
3481 pub is_fifo: bool,
3482}
3483
3484#[derive(Clone, Copy, Debug, PartialEq, Eq)]
3485pub enum EntryKind {
3486 UnloadedDir,
3487 PendingDir,
3488 Dir,
3489 File,
3490}
3491
3492#[derive(Clone, Copy, Debug, PartialEq)]
3493pub enum PathChange {
3494 /// A filesystem entry was was created.
3495 Added,
3496 /// A filesystem entry was removed.
3497 Removed,
3498 /// A filesystem entry was updated.
3499 Updated,
3500 /// A filesystem entry was either updated or added. We don't know
3501 /// whether or not it already existed, because the path had not
3502 /// been loaded before the event.
3503 AddedOrUpdated,
3504 /// A filesystem entry was found during the initial scan of the worktree.
3505 Loaded,
3506}
3507
3508#[derive(Clone, Debug, PartialEq, Eq)]
3509pub struct UpdatedGitRepository {
3510 /// ID of the repository's working directory.
3511 ///
3512 /// For a repo that's above the worktree root, this is the ID of the worktree root, and hence not unique.
3513 /// It's included here to aid the GitStore in detecting when a repository's working directory is renamed.
3514 pub work_directory_id: ProjectEntryId,
3515 pub old_work_directory_abs_path: Option<Arc<Path>>,
3516 pub new_work_directory_abs_path: Option<Arc<Path>>,
3517 /// For a normal git repository checkout, the absolute path to the .git directory.
3518 /// For a worktree, the absolute path to the worktree's subdirectory inside the .git directory.
3519 pub dot_git_abs_path: Option<Arc<Path>>,
3520 pub repository_dir_abs_path: Option<Arc<Path>>,
3521 pub common_dir_abs_path: Option<Arc<Path>>,
3522}
3523
3524pub type UpdatedEntriesSet = Arc<[(Arc<Path>, ProjectEntryId, PathChange)]>;
3525pub type UpdatedGitRepositoriesSet = Arc<[UpdatedGitRepository]>;
3526
3527#[derive(Clone, Debug)]
3528pub struct PathProgress<'a> {
3529 pub max_path: &'a Path,
3530}
3531
3532#[derive(Clone, Debug)]
3533pub struct PathSummary<S> {
3534 pub max_path: Arc<Path>,
3535 pub item_summary: S,
3536}
3537
3538impl<S: Summary> Summary for PathSummary<S> {
3539 type Context = S::Context;
3540
3541 fn zero(cx: &Self::Context) -> Self {
3542 Self {
3543 max_path: Path::new("").into(),
3544 item_summary: S::zero(cx),
3545 }
3546 }
3547
3548 fn add_summary(&mut self, rhs: &Self, cx: &Self::Context) {
3549 self.max_path = rhs.max_path.clone();
3550 self.item_summary.add_summary(&rhs.item_summary, cx);
3551 }
3552}
3553
3554impl<'a, S: Summary> sum_tree::Dimension<'a, PathSummary<S>> for PathProgress<'a> {
3555 fn zero(_: &<PathSummary<S> as Summary>::Context) -> Self {
3556 Self {
3557 max_path: Path::new(""),
3558 }
3559 }
3560
3561 fn add_summary(
3562 &mut self,
3563 summary: &'a PathSummary<S>,
3564 _: &<PathSummary<S> as Summary>::Context,
3565 ) {
3566 self.max_path = summary.max_path.as_ref()
3567 }
3568}
3569
3570impl<'a> sum_tree::Dimension<'a, PathSummary<GitSummary>> for GitSummary {
3571 fn zero(_cx: &()) -> Self {
3572 Default::default()
3573 }
3574
3575 fn add_summary(&mut self, summary: &'a PathSummary<GitSummary>, _: &()) {
3576 *self += summary.item_summary
3577 }
3578}
3579
3580impl<'a> sum_tree::SeekTarget<'a, PathSummary<GitSummary>, (TraversalProgress<'a>, GitSummary)>
3581 for PathTarget<'_>
3582{
3583 fn cmp(&self, cursor_location: &(TraversalProgress<'a>, GitSummary), _: &()) -> Ordering {
3584 self.cmp_path(&cursor_location.0.max_path)
3585 }
3586}
3587
3588impl<'a, S: Summary> sum_tree::Dimension<'a, PathSummary<S>> for PathKey {
3589 fn zero(_: &S::Context) -> Self {
3590 Default::default()
3591 }
3592
3593 fn add_summary(&mut self, summary: &'a PathSummary<S>, _: &S::Context) {
3594 self.0 = summary.max_path.clone();
3595 }
3596}
3597
3598impl<'a, S: Summary> sum_tree::Dimension<'a, PathSummary<S>> for TraversalProgress<'a> {
3599 fn zero(_cx: &S::Context) -> Self {
3600 Default::default()
3601 }
3602
3603 fn add_summary(&mut self, summary: &'a PathSummary<S>, _: &S::Context) {
3604 self.max_path = summary.max_path.as_ref();
3605 }
3606}
3607
3608impl Entry {
3609 fn new(
3610 path: Arc<Path>,
3611 metadata: &fs::Metadata,
3612 next_entry_id: &AtomicUsize,
3613 root_char_bag: CharBag,
3614 canonical_path: Option<Arc<Path>>,
3615 ) -> Self {
3616 let char_bag = char_bag_for_path(root_char_bag, &path);
3617 Self {
3618 id: ProjectEntryId::new(next_entry_id),
3619 kind: if metadata.is_dir {
3620 EntryKind::PendingDir
3621 } else {
3622 EntryKind::File
3623 },
3624 path,
3625 inode: metadata.inode,
3626 mtime: Some(metadata.mtime),
3627 size: metadata.len,
3628 canonical_path,
3629 is_ignored: false,
3630 is_always_included: false,
3631 is_external: false,
3632 is_private: false,
3633 char_bag,
3634 is_fifo: metadata.is_fifo,
3635 }
3636 }
3637
3638 pub fn is_created(&self) -> bool {
3639 self.mtime.is_some()
3640 }
3641
3642 pub fn is_dir(&self) -> bool {
3643 self.kind.is_dir()
3644 }
3645
3646 pub fn is_file(&self) -> bool {
3647 self.kind.is_file()
3648 }
3649}
3650
3651impl EntryKind {
3652 pub fn is_dir(&self) -> bool {
3653 matches!(
3654 self,
3655 EntryKind::Dir | EntryKind::PendingDir | EntryKind::UnloadedDir
3656 )
3657 }
3658
3659 pub fn is_unloaded(&self) -> bool {
3660 matches!(self, EntryKind::UnloadedDir)
3661 }
3662
3663 pub fn is_file(&self) -> bool {
3664 matches!(self, EntryKind::File)
3665 }
3666}
3667
3668impl sum_tree::Item for Entry {
3669 type Summary = EntrySummary;
3670
3671 fn summary(&self, _cx: &()) -> Self::Summary {
3672 let non_ignored_count = if (self.is_ignored || self.is_external) && !self.is_always_included
3673 {
3674 0
3675 } else {
3676 1
3677 };
3678 let file_count;
3679 let non_ignored_file_count;
3680 if self.is_file() {
3681 file_count = 1;
3682 non_ignored_file_count = non_ignored_count;
3683 } else {
3684 file_count = 0;
3685 non_ignored_file_count = 0;
3686 }
3687
3688 EntrySummary {
3689 max_path: self.path.clone(),
3690 count: 1,
3691 non_ignored_count,
3692 file_count,
3693 non_ignored_file_count,
3694 }
3695 }
3696}
3697
3698impl sum_tree::KeyedItem for Entry {
3699 type Key = PathKey;
3700
3701 fn key(&self) -> Self::Key {
3702 PathKey(self.path.clone())
3703 }
3704}
3705
3706#[derive(Clone, Debug)]
3707pub struct EntrySummary {
3708 max_path: Arc<Path>,
3709 count: usize,
3710 non_ignored_count: usize,
3711 file_count: usize,
3712 non_ignored_file_count: usize,
3713}
3714
3715impl Default for EntrySummary {
3716 fn default() -> Self {
3717 Self {
3718 max_path: Arc::from(Path::new("")),
3719 count: 0,
3720 non_ignored_count: 0,
3721 file_count: 0,
3722 non_ignored_file_count: 0,
3723 }
3724 }
3725}
3726
3727impl sum_tree::Summary for EntrySummary {
3728 type Context = ();
3729
3730 fn zero(_cx: &()) -> Self {
3731 Default::default()
3732 }
3733
3734 fn add_summary(&mut self, rhs: &Self, _: &()) {
3735 self.max_path = rhs.max_path.clone();
3736 self.count += rhs.count;
3737 self.non_ignored_count += rhs.non_ignored_count;
3738 self.file_count += rhs.file_count;
3739 self.non_ignored_file_count += rhs.non_ignored_file_count;
3740 }
3741}
3742
3743#[derive(Clone, Debug)]
3744struct PathEntry {
3745 id: ProjectEntryId,
3746 path: Arc<Path>,
3747 is_ignored: bool,
3748 scan_id: usize,
3749}
3750
3751impl sum_tree::Item for PathEntry {
3752 type Summary = PathEntrySummary;
3753
3754 fn summary(&self, _cx: &()) -> Self::Summary {
3755 PathEntrySummary { max_id: self.id }
3756 }
3757}
3758
3759impl sum_tree::KeyedItem for PathEntry {
3760 type Key = ProjectEntryId;
3761
3762 fn key(&self) -> Self::Key {
3763 self.id
3764 }
3765}
3766
3767#[derive(Clone, Debug, Default)]
3768struct PathEntrySummary {
3769 max_id: ProjectEntryId,
3770}
3771
3772impl sum_tree::Summary for PathEntrySummary {
3773 type Context = ();
3774
3775 fn zero(_cx: &Self::Context) -> Self {
3776 Default::default()
3777 }
3778
3779 fn add_summary(&mut self, summary: &Self, _: &Self::Context) {
3780 self.max_id = summary.max_id;
3781 }
3782}
3783
3784impl<'a> sum_tree::Dimension<'a, PathEntrySummary> for ProjectEntryId {
3785 fn zero(_cx: &()) -> Self {
3786 Default::default()
3787 }
3788
3789 fn add_summary(&mut self, summary: &'a PathEntrySummary, _: &()) {
3790 *self = summary.max_id;
3791 }
3792}
3793
3794#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
3795pub struct PathKey(pub Arc<Path>);
3796
3797impl Default for PathKey {
3798 fn default() -> Self {
3799 Self(Path::new("").into())
3800 }
3801}
3802
3803impl<'a> sum_tree::Dimension<'a, EntrySummary> for PathKey {
3804 fn zero(_cx: &()) -> Self {
3805 Default::default()
3806 }
3807
3808 fn add_summary(&mut self, summary: &'a EntrySummary, _: &()) {
3809 self.0 = summary.max_path.clone();
3810 }
3811}
3812
3813struct BackgroundScanner {
3814 state: Mutex<BackgroundScannerState>,
3815 fs: Arc<dyn Fs>,
3816 fs_case_sensitive: bool,
3817 status_updates_tx: UnboundedSender<ScanState>,
3818 executor: BackgroundExecutor,
3819 scan_requests_rx: channel::Receiver<ScanRequest>,
3820 path_prefixes_to_scan_rx: channel::Receiver<PathPrefixScanRequest>,
3821 next_entry_id: Arc<AtomicUsize>,
3822 phase: BackgroundScannerPhase,
3823 watcher: Arc<dyn Watcher>,
3824 settings: WorktreeSettings,
3825 share_private_files: bool,
3826}
3827
3828#[derive(Copy, Clone, PartialEq)]
3829enum BackgroundScannerPhase {
3830 InitialScan,
3831 EventsReceivedDuringInitialScan,
3832 Events,
3833}
3834
3835impl BackgroundScanner {
3836 async fn run(&mut self, mut fs_events_rx: Pin<Box<dyn Send + Stream<Item = Vec<PathEvent>>>>) {
3837 // If the worktree root does not contain a git repository, then find
3838 // the git repository in an ancestor directory. Find any gitignore files
3839 // in ancestor directories.
3840 let root_abs_path = self.state.lock().snapshot.abs_path.clone();
3841 let (ignores, repo) = discover_ancestor_git_repo(self.fs.clone(), &root_abs_path).await;
3842 self.state
3843 .lock()
3844 .snapshot
3845 .ignores_by_parent_abs_path
3846 .extend(ignores);
3847 let containing_git_repository = repo.and_then(|(ancestor_dot_git, work_directory)| {
3848 self.state.lock().insert_git_repository_for_path(
3849 work_directory,
3850 ancestor_dot_git.as_path().into(),
3851 self.fs.as_ref(),
3852 self.watcher.as_ref(),
3853 )?;
3854 Some(ancestor_dot_git)
3855 });
3856
3857 log::trace!("containing git repository: {containing_git_repository:?}");
3858
3859 let (scan_job_tx, scan_job_rx) = channel::unbounded();
3860 {
3861 let mut state = self.state.lock();
3862 state.snapshot.scan_id += 1;
3863 if let Some(mut root_entry) = state.snapshot.root_entry().cloned() {
3864 let ignore_stack = state
3865 .snapshot
3866 .ignore_stack_for_abs_path(root_abs_path.as_path(), true);
3867 if ignore_stack.is_abs_path_ignored(root_abs_path.as_path(), true) {
3868 root_entry.is_ignored = true;
3869 state.insert_entry(root_entry.clone(), self.fs.as_ref(), self.watcher.as_ref());
3870 }
3871 state.enqueue_scan_dir(root_abs_path.into(), &root_entry, &scan_job_tx);
3872 }
3873 };
3874
3875 // Perform an initial scan of the directory.
3876 drop(scan_job_tx);
3877 self.scan_dirs(true, scan_job_rx).await;
3878 {
3879 let mut state = self.state.lock();
3880 state.snapshot.completed_scan_id = state.snapshot.scan_id;
3881 }
3882
3883 self.send_status_update(false, SmallVec::new());
3884
3885 // Process any any FS events that occurred while performing the initial scan.
3886 // For these events, update events cannot be as precise, because we didn't
3887 // have the previous state loaded yet.
3888 self.phase = BackgroundScannerPhase::EventsReceivedDuringInitialScan;
3889 if let Poll::Ready(Some(mut paths)) = futures::poll!(fs_events_rx.next()) {
3890 while let Poll::Ready(Some(more_paths)) = futures::poll!(fs_events_rx.next()) {
3891 paths.extend(more_paths);
3892 }
3893 self.process_events(paths.into_iter().map(Into::into).collect())
3894 .await;
3895 }
3896 if let Some(abs_path) = containing_git_repository {
3897 self.process_events(vec![abs_path]).await;
3898 }
3899
3900 // Continue processing events until the worktree is dropped.
3901 self.phase = BackgroundScannerPhase::Events;
3902
3903 loop {
3904 select_biased! {
3905 // Process any path refresh requests from the worktree. Prioritize
3906 // these before handling changes reported by the filesystem.
3907 request = self.next_scan_request().fuse() => {
3908 let Ok(request) = request else { break };
3909 if !self.process_scan_request(request, false).await {
3910 return;
3911 }
3912 }
3913
3914 path_prefix_request = self.path_prefixes_to_scan_rx.recv().fuse() => {
3915 let Ok(request) = path_prefix_request else { break };
3916 log::trace!("adding path prefix {:?}", request.path);
3917
3918 let did_scan = self.forcibly_load_paths(std::slice::from_ref(&request.path)).await;
3919 if did_scan {
3920 let abs_path =
3921 {
3922 let mut state = self.state.lock();
3923 state.path_prefixes_to_scan.insert(request.path.clone());
3924 state.snapshot.abs_path.as_path().join(&request.path)
3925 };
3926
3927 if let Some(abs_path) = self.fs.canonicalize(&abs_path).await.log_err() {
3928 self.process_events(vec![abs_path]).await;
3929 }
3930 }
3931 self.send_status_update(false, request.done);
3932 }
3933
3934 paths = fs_events_rx.next().fuse() => {
3935 let Some(mut paths) = paths else { break };
3936 while let Poll::Ready(Some(more_paths)) = futures::poll!(fs_events_rx.next()) {
3937 paths.extend(more_paths);
3938 }
3939 self.process_events(paths.into_iter().map(Into::into).collect()).await;
3940 }
3941 }
3942 }
3943 }
3944
3945 async fn process_scan_request(&self, mut request: ScanRequest, scanning: bool) -> bool {
3946 log::debug!("rescanning paths {:?}", request.relative_paths);
3947
3948 request.relative_paths.sort_unstable();
3949 self.forcibly_load_paths(&request.relative_paths).await;
3950
3951 let root_path = self.state.lock().snapshot.abs_path.clone();
3952 let root_canonical_path = match self.fs.canonicalize(root_path.as_path()).await {
3953 Ok(path) => SanitizedPath::from(path),
3954 Err(err) => {
3955 log::error!("failed to canonicalize root path {root_path:?}: {err}");
3956 return true;
3957 }
3958 };
3959 let abs_paths = request
3960 .relative_paths
3961 .iter()
3962 .map(|path| {
3963 if path.file_name().is_some() {
3964 root_canonical_path.as_path().join(path).to_path_buf()
3965 } else {
3966 root_canonical_path.as_path().to_path_buf()
3967 }
3968 })
3969 .collect::<Vec<_>>();
3970
3971 {
3972 let mut state = self.state.lock();
3973 let is_idle = state.snapshot.completed_scan_id == state.snapshot.scan_id;
3974 state.snapshot.scan_id += 1;
3975 if is_idle {
3976 state.snapshot.completed_scan_id = state.snapshot.scan_id;
3977 }
3978 }
3979
3980 self.reload_entries_for_paths(
3981 root_path,
3982 root_canonical_path,
3983 &request.relative_paths,
3984 abs_paths,
3985 None,
3986 )
3987 .await;
3988
3989 self.send_status_update(scanning, request.done)
3990 }
3991
3992 async fn process_events(&self, mut abs_paths: Vec<PathBuf>) {
3993 let root_path = self.state.lock().snapshot.abs_path.clone();
3994 let root_canonical_path = match self.fs.canonicalize(root_path.as_path()).await {
3995 Ok(path) => SanitizedPath::from(path),
3996 Err(err) => {
3997 let new_path = self
3998 .state
3999 .lock()
4000 .snapshot
4001 .root_file_handle
4002 .clone()
4003 .and_then(|handle| handle.current_path(&self.fs).log_err())
4004 .map(SanitizedPath::from)
4005 .filter(|new_path| *new_path != root_path);
4006
4007 if let Some(new_path) = new_path.as_ref() {
4008 log::info!(
4009 "root renamed from {} to {}",
4010 root_path.as_path().display(),
4011 new_path.as_path().display()
4012 )
4013 } else {
4014 log::warn!("root path could not be canonicalized: {}", err);
4015 }
4016 self.status_updates_tx
4017 .unbounded_send(ScanState::RootUpdated { new_path })
4018 .ok();
4019 return;
4020 }
4021 };
4022
4023 // Certain directories may have FS changes, but do not lead to git data changes that Zed cares about.
4024 // Ignore these, to avoid Zed unnecessarily rescanning git metadata.
4025 let skipped_files_in_dot_git = HashSet::from_iter([*COMMIT_MESSAGE, *INDEX_LOCK]);
4026 let skipped_dirs_in_dot_git = [*FSMONITOR_DAEMON, *LFS_DIR];
4027
4028 let mut relative_paths = Vec::with_capacity(abs_paths.len());
4029 let mut dot_git_abs_paths = Vec::new();
4030 abs_paths.sort_unstable();
4031 abs_paths.dedup_by(|a, b| a.starts_with(b));
4032 abs_paths.retain(|abs_path| {
4033 let abs_path = SanitizedPath::from(abs_path);
4034
4035 let snapshot = &self.state.lock().snapshot;
4036 {
4037 let mut is_git_related = false;
4038
4039 let dot_git_paths = abs_path.as_path().ancestors().find_map(|ancestor| {
4040 if smol::block_on(is_git_dir(ancestor, self.fs.as_ref())) {
4041 let path_in_git_dir = abs_path.as_path().strip_prefix(ancestor).expect("stripping off the ancestor");
4042 Some((ancestor.to_owned(), path_in_git_dir.to_owned()))
4043 } else {
4044 None
4045 }
4046 });
4047
4048 if let Some((dot_git_abs_path, path_in_git_dir)) = dot_git_paths {
4049 if skipped_files_in_dot_git.contains(path_in_git_dir.as_os_str()) || skipped_dirs_in_dot_git.iter().any(|skipped_git_subdir| path_in_git_dir.starts_with(skipped_git_subdir)) {
4050 log::debug!("ignoring event {abs_path:?} as it's in the .git directory among skipped files or directories");
4051 return false;
4052 }
4053
4054 is_git_related = true;
4055 if !dot_git_abs_paths.contains(&dot_git_abs_path) {
4056 dot_git_abs_paths.push(dot_git_abs_path);
4057 }
4058 }
4059
4060 let relative_path: Arc<Path> =
4061 if let Ok(path) = abs_path.strip_prefix(&root_canonical_path) {
4062 path.into()
4063 } else {
4064 if is_git_related {
4065 log::debug!(
4066 "ignoring event {abs_path:?}, since it's in git dir outside of root path {root_canonical_path:?}",
4067 );
4068 } else {
4069 log::error!(
4070 "ignoring event {abs_path:?} outside of root path {root_canonical_path:?}",
4071 );
4072 }
4073 return false;
4074 };
4075
4076 if abs_path.0.file_name() == Some(*GITIGNORE) {
4077 for (_, repo) in snapshot.git_repositories.iter().filter(|(_, repo)| repo.directory_contains(&relative_path)) {
4078 if !dot_git_abs_paths.iter().any(|dot_git_abs_path| dot_git_abs_path == repo.common_dir_abs_path.as_ref()) {
4079 dot_git_abs_paths.push(repo.common_dir_abs_path.to_path_buf());
4080 }
4081 }
4082 }
4083
4084 let parent_dir_is_loaded = relative_path.parent().map_or(true, |parent| {
4085 snapshot
4086 .entry_for_path(parent)
4087 .map_or(false, |entry| entry.kind == EntryKind::Dir)
4088 });
4089 if !parent_dir_is_loaded {
4090 log::debug!("ignoring event {relative_path:?} within unloaded directory");
4091 return false;
4092 }
4093
4094 if self.settings.is_path_excluded(&relative_path) {
4095 if !is_git_related {
4096 log::debug!("ignoring FS event for excluded path {relative_path:?}");
4097 }
4098 return false;
4099 }
4100
4101 relative_paths.push(relative_path);
4102 true
4103 }
4104 });
4105
4106 if relative_paths.is_empty() && dot_git_abs_paths.is_empty() {
4107 return;
4108 }
4109
4110 self.state.lock().snapshot.scan_id += 1;
4111
4112 let (scan_job_tx, scan_job_rx) = channel::unbounded();
4113 log::debug!("received fs events {:?}", relative_paths);
4114 self.reload_entries_for_paths(
4115 root_path,
4116 root_canonical_path,
4117 &relative_paths,
4118 abs_paths,
4119 Some(scan_job_tx.clone()),
4120 )
4121 .await;
4122
4123 self.update_ignore_statuses(scan_job_tx).await;
4124 self.scan_dirs(false, scan_job_rx).await;
4125
4126 if !dot_git_abs_paths.is_empty() {
4127 self.update_git_repositories(dot_git_abs_paths);
4128 }
4129
4130 {
4131 let mut state = self.state.lock();
4132 state.snapshot.completed_scan_id = state.snapshot.scan_id;
4133 for (_, entry) in mem::take(&mut state.removed_entries) {
4134 state.scanned_dirs.remove(&entry.id);
4135 }
4136 }
4137 self.send_status_update(false, SmallVec::new());
4138 }
4139
4140 async fn forcibly_load_paths(&self, paths: &[Arc<Path>]) -> bool {
4141 let (scan_job_tx, scan_job_rx) = channel::unbounded();
4142 {
4143 let mut state = self.state.lock();
4144 let root_path = state.snapshot.abs_path.clone();
4145 for path in paths {
4146 for ancestor in path.ancestors() {
4147 if let Some(entry) = state.snapshot.entry_for_path(ancestor) {
4148 if entry.kind == EntryKind::UnloadedDir {
4149 let abs_path = root_path.as_path().join(ancestor);
4150 state.enqueue_scan_dir(abs_path.into(), entry, &scan_job_tx);
4151 state.paths_to_scan.insert(path.clone());
4152 break;
4153 }
4154 }
4155 }
4156 }
4157 drop(scan_job_tx);
4158 }
4159 while let Ok(job) = scan_job_rx.recv().await {
4160 self.scan_dir(&job).await.log_err();
4161 }
4162
4163 !mem::take(&mut self.state.lock().paths_to_scan).is_empty()
4164 }
4165
4166 async fn scan_dirs(
4167 &self,
4168 enable_progress_updates: bool,
4169 scan_jobs_rx: channel::Receiver<ScanJob>,
4170 ) {
4171 if self
4172 .status_updates_tx
4173 .unbounded_send(ScanState::Started)
4174 .is_err()
4175 {
4176 return;
4177 }
4178
4179 let progress_update_count = AtomicUsize::new(0);
4180 self.executor
4181 .scoped(|scope| {
4182 for _ in 0..self.executor.num_cpus() {
4183 scope.spawn(async {
4184 let mut last_progress_update_count = 0;
4185 let progress_update_timer = self.progress_timer(enable_progress_updates).fuse();
4186 futures::pin_mut!(progress_update_timer);
4187
4188 loop {
4189 select_biased! {
4190 // Process any path refresh requests before moving on to process
4191 // the scan queue, so that user operations are prioritized.
4192 request = self.next_scan_request().fuse() => {
4193 let Ok(request) = request else { break };
4194 if !self.process_scan_request(request, true).await {
4195 return;
4196 }
4197 }
4198
4199 // Send periodic progress updates to the worktree. Use an atomic counter
4200 // to ensure that only one of the workers sends a progress update after
4201 // the update interval elapses.
4202 _ = progress_update_timer => {
4203 match progress_update_count.compare_exchange(
4204 last_progress_update_count,
4205 last_progress_update_count + 1,
4206 SeqCst,
4207 SeqCst
4208 ) {
4209 Ok(_) => {
4210 last_progress_update_count += 1;
4211 self.send_status_update(true, SmallVec::new());
4212 }
4213 Err(count) => {
4214 last_progress_update_count = count;
4215 }
4216 }
4217 progress_update_timer.set(self.progress_timer(enable_progress_updates).fuse());
4218 }
4219
4220 // Recursively load directories from the file system.
4221 job = scan_jobs_rx.recv().fuse() => {
4222 let Ok(job) = job else { break };
4223 if let Err(err) = self.scan_dir(&job).await {
4224 if job.path.as_ref() != Path::new("") {
4225 log::error!("error scanning directory {:?}: {}", job.abs_path, err);
4226 }
4227 }
4228 }
4229 }
4230 }
4231 });
4232 }
4233 })
4234 .await;
4235 }
4236
4237 fn send_status_update(&self, scanning: bool, barrier: SmallVec<[barrier::Sender; 1]>) -> bool {
4238 let mut state = self.state.lock();
4239 if state.changed_paths.is_empty() && scanning {
4240 return true;
4241 }
4242
4243 let new_snapshot = state.snapshot.clone();
4244 let old_snapshot = mem::replace(&mut state.prev_snapshot, new_snapshot.snapshot.clone());
4245 let changes = build_diff(
4246 self.phase,
4247 &old_snapshot,
4248 &new_snapshot,
4249 &state.changed_paths,
4250 );
4251 state.changed_paths.clear();
4252
4253 self.status_updates_tx
4254 .unbounded_send(ScanState::Updated {
4255 snapshot: new_snapshot,
4256 changes,
4257 scanning,
4258 barrier,
4259 })
4260 .is_ok()
4261 }
4262
4263 async fn scan_dir(&self, job: &ScanJob) -> Result<()> {
4264 let root_abs_path;
4265 let root_char_bag;
4266 {
4267 let snapshot = &self.state.lock().snapshot;
4268 if self.settings.is_path_excluded(&job.path) {
4269 log::error!("skipping excluded directory {:?}", job.path);
4270 return Ok(());
4271 }
4272 log::trace!("scanning directory {:?}", job.path);
4273 root_abs_path = snapshot.abs_path().clone();
4274 root_char_bag = snapshot.root_char_bag;
4275 }
4276
4277 let next_entry_id = self.next_entry_id.clone();
4278 let mut ignore_stack = job.ignore_stack.clone();
4279 let mut new_ignore = None;
4280 let mut root_canonical_path = None;
4281 let mut new_entries: Vec<Entry> = Vec::new();
4282 let mut new_jobs: Vec<Option<ScanJob>> = Vec::new();
4283 let mut child_paths = self
4284 .fs
4285 .read_dir(&job.abs_path)
4286 .await?
4287 .filter_map(|entry| async {
4288 match entry {
4289 Ok(entry) => Some(entry),
4290 Err(error) => {
4291 log::error!("error processing entry {:?}", error);
4292 None
4293 }
4294 }
4295 })
4296 .collect::<Vec<_>>()
4297 .await;
4298
4299 // Ensure that .git and .gitignore are processed first.
4300 swap_to_front(&mut child_paths, *GITIGNORE);
4301 swap_to_front(&mut child_paths, *DOT_GIT);
4302
4303 for child_abs_path in child_paths {
4304 let child_abs_path: Arc<Path> = child_abs_path.into();
4305 let child_name = child_abs_path.file_name().unwrap();
4306 let child_path: Arc<Path> = job.path.join(child_name).into();
4307
4308 if child_name == *DOT_GIT {
4309 let mut state = self.state.lock();
4310 state.insert_git_repository(
4311 child_path.clone(),
4312 self.fs.as_ref(),
4313 self.watcher.as_ref(),
4314 );
4315 } else if child_name == *GITIGNORE {
4316 match build_gitignore(&child_abs_path, self.fs.as_ref()).await {
4317 Ok(ignore) => {
4318 let ignore = Arc::new(ignore);
4319 ignore_stack = ignore_stack.append(job.abs_path.clone(), ignore.clone());
4320 new_ignore = Some(ignore);
4321 }
4322 Err(error) => {
4323 log::error!(
4324 "error loading .gitignore file {:?} - {:?}",
4325 child_name,
4326 error
4327 );
4328 }
4329 }
4330 }
4331
4332 if self.settings.is_path_excluded(&child_path) {
4333 log::debug!("skipping excluded child entry {child_path:?}");
4334 self.state.lock().remove_path(&child_path);
4335 continue;
4336 }
4337
4338 let child_metadata = match self.fs.metadata(&child_abs_path).await {
4339 Ok(Some(metadata)) => metadata,
4340 Ok(None) => continue,
4341 Err(err) => {
4342 log::error!("error processing {child_abs_path:?}: {err:?}");
4343 continue;
4344 }
4345 };
4346
4347 let mut child_entry = Entry::new(
4348 child_path.clone(),
4349 &child_metadata,
4350 &next_entry_id,
4351 root_char_bag,
4352 None,
4353 );
4354
4355 if job.is_external {
4356 child_entry.is_external = true;
4357 } else if child_metadata.is_symlink {
4358 let canonical_path = match self.fs.canonicalize(&child_abs_path).await {
4359 Ok(path) => path,
4360 Err(err) => {
4361 log::error!("error reading target of symlink {child_abs_path:?}: {err:#}",);
4362 continue;
4363 }
4364 };
4365
4366 // lazily canonicalize the root path in order to determine if
4367 // symlinks point outside of the worktree.
4368 let root_canonical_path = match &root_canonical_path {
4369 Some(path) => path,
4370 None => match self.fs.canonicalize(&root_abs_path).await {
4371 Ok(path) => root_canonical_path.insert(path),
4372 Err(err) => {
4373 log::error!("error canonicalizing root {:?}: {:?}", root_abs_path, err);
4374 continue;
4375 }
4376 },
4377 };
4378
4379 if !canonical_path.starts_with(root_canonical_path) {
4380 child_entry.is_external = true;
4381 }
4382
4383 child_entry.canonical_path = Some(canonical_path.into());
4384 }
4385
4386 if child_entry.is_dir() {
4387 child_entry.is_ignored = ignore_stack.is_abs_path_ignored(&child_abs_path, true);
4388 child_entry.is_always_included = self.settings.is_path_always_included(&child_path);
4389
4390 // Avoid recursing until crash in the case of a recursive symlink
4391 if job.ancestor_inodes.contains(&child_entry.inode) {
4392 new_jobs.push(None);
4393 } else {
4394 let mut ancestor_inodes = job.ancestor_inodes.clone();
4395 ancestor_inodes.insert(child_entry.inode);
4396
4397 new_jobs.push(Some(ScanJob {
4398 abs_path: child_abs_path.clone(),
4399 path: child_path,
4400 is_external: child_entry.is_external,
4401 ignore_stack: if child_entry.is_ignored {
4402 IgnoreStack::all()
4403 } else {
4404 ignore_stack.clone()
4405 },
4406 ancestor_inodes,
4407 scan_queue: job.scan_queue.clone(),
4408 }));
4409 }
4410 } else {
4411 child_entry.is_ignored = ignore_stack.is_abs_path_ignored(&child_abs_path, false);
4412 child_entry.is_always_included = self.settings.is_path_always_included(&child_path);
4413 }
4414
4415 {
4416 let relative_path = job.path.join(child_name);
4417 if self.is_path_private(&relative_path) {
4418 log::debug!("detected private file: {relative_path:?}");
4419 child_entry.is_private = true;
4420 }
4421 }
4422
4423 new_entries.push(child_entry);
4424 }
4425
4426 let mut state = self.state.lock();
4427
4428 // Identify any subdirectories that should not be scanned.
4429 let mut job_ix = 0;
4430 for entry in &mut new_entries {
4431 state.reuse_entry_id(entry);
4432 if entry.is_dir() {
4433 if state.should_scan_directory(entry) {
4434 job_ix += 1;
4435 } else {
4436 log::debug!("defer scanning directory {:?}", entry.path);
4437 entry.kind = EntryKind::UnloadedDir;
4438 new_jobs.remove(job_ix);
4439 }
4440 }
4441 if entry.is_always_included {
4442 state
4443 .snapshot
4444 .always_included_entries
4445 .push(entry.path.clone());
4446 }
4447 }
4448
4449 state.populate_dir(&job.path, new_entries, new_ignore);
4450 self.watcher.add(job.abs_path.as_ref()).log_err();
4451
4452 for new_job in new_jobs.into_iter().flatten() {
4453 job.scan_queue
4454 .try_send(new_job)
4455 .expect("channel is unbounded");
4456 }
4457
4458 Ok(())
4459 }
4460
4461 /// All list arguments should be sorted before calling this function
4462 async fn reload_entries_for_paths(
4463 &self,
4464 root_abs_path: SanitizedPath,
4465 root_canonical_path: SanitizedPath,
4466 relative_paths: &[Arc<Path>],
4467 abs_paths: Vec<PathBuf>,
4468 scan_queue_tx: Option<Sender<ScanJob>>,
4469 ) {
4470 // grab metadata for all requested paths
4471 let metadata = futures::future::join_all(
4472 abs_paths
4473 .iter()
4474 .map(|abs_path| async move {
4475 let metadata = self.fs.metadata(abs_path).await?;
4476 if let Some(metadata) = metadata {
4477 let canonical_path = self.fs.canonicalize(abs_path).await?;
4478
4479 // If we're on a case-insensitive filesystem (default on macOS), we want
4480 // to only ignore metadata for non-symlink files if their absolute-path matches
4481 // the canonical-path.
4482 // Because if not, this might be a case-only-renaming (`mv test.txt TEST.TXT`)
4483 // and we want to ignore the metadata for the old path (`test.txt`) so it's
4484 // treated as removed.
4485 if !self.fs_case_sensitive && !metadata.is_symlink {
4486 let canonical_file_name = canonical_path.file_name();
4487 let file_name = abs_path.file_name();
4488 if canonical_file_name != file_name {
4489 return Ok(None);
4490 }
4491 }
4492
4493 anyhow::Ok(Some((metadata, SanitizedPath::from(canonical_path))))
4494 } else {
4495 Ok(None)
4496 }
4497 })
4498 .collect::<Vec<_>>(),
4499 )
4500 .await;
4501
4502 let mut new_ancestor_repo = if relative_paths
4503 .iter()
4504 .any(|path| path.as_ref() == Path::new(""))
4505 {
4506 Some(discover_ancestor_git_repo(self.fs.clone(), &root_abs_path).await)
4507 } else {
4508 None
4509 };
4510
4511 let mut state = self.state.lock();
4512 let doing_recursive_update = scan_queue_tx.is_some();
4513
4514 // Remove any entries for paths that no longer exist or are being recursively
4515 // refreshed. Do this before adding any new entries, so that renames can be
4516 // detected regardless of the order of the paths.
4517 for (path, metadata) in relative_paths.iter().zip(metadata.iter()) {
4518 if matches!(metadata, Ok(None)) || doing_recursive_update {
4519 log::trace!("remove path {:?}", path);
4520 state.remove_path(path);
4521 }
4522 }
4523
4524 for (path, metadata) in relative_paths.iter().zip(metadata.into_iter()) {
4525 let abs_path: Arc<Path> = root_abs_path.as_path().join(path).into();
4526 match metadata {
4527 Ok(Some((metadata, canonical_path))) => {
4528 let ignore_stack = state
4529 .snapshot
4530 .ignore_stack_for_abs_path(&abs_path, metadata.is_dir);
4531 let is_external = !canonical_path.starts_with(&root_canonical_path);
4532 let mut fs_entry = Entry::new(
4533 path.clone(),
4534 &metadata,
4535 self.next_entry_id.as_ref(),
4536 state.snapshot.root_char_bag,
4537 if metadata.is_symlink {
4538 Some(canonical_path.as_path().to_path_buf().into())
4539 } else {
4540 None
4541 },
4542 );
4543
4544 let is_dir = fs_entry.is_dir();
4545 fs_entry.is_ignored = ignore_stack.is_abs_path_ignored(&abs_path, is_dir);
4546 fs_entry.is_external = is_external;
4547 fs_entry.is_private = self.is_path_private(path);
4548 fs_entry.is_always_included = self.settings.is_path_always_included(path);
4549
4550 if let (Some(scan_queue_tx), true) = (&scan_queue_tx, is_dir) {
4551 if state.should_scan_directory(&fs_entry)
4552 || (fs_entry.path.as_os_str().is_empty()
4553 && abs_path.file_name() == Some(*DOT_GIT))
4554 {
4555 state.enqueue_scan_dir(abs_path, &fs_entry, scan_queue_tx);
4556 } else {
4557 fs_entry.kind = EntryKind::UnloadedDir;
4558 }
4559 }
4560
4561 state.insert_entry(fs_entry.clone(), self.fs.as_ref(), self.watcher.as_ref());
4562
4563 if path.as_ref() == Path::new("") {
4564 if let Some((ignores, repo)) = new_ancestor_repo.take() {
4565 log::trace!("updating ancestor git repository");
4566 state.snapshot.ignores_by_parent_abs_path.extend(ignores);
4567 if let Some((ancestor_dot_git, work_directory)) = repo {
4568 state.insert_git_repository_for_path(
4569 work_directory,
4570 ancestor_dot_git.as_path().into(),
4571 self.fs.as_ref(),
4572 self.watcher.as_ref(),
4573 );
4574 }
4575 }
4576 }
4577 }
4578 Ok(None) => {
4579 self.remove_repo_path(path, &mut state.snapshot);
4580 }
4581 Err(err) => {
4582 log::error!("error reading file {abs_path:?} on event: {err:#}");
4583 }
4584 }
4585 }
4586
4587 util::extend_sorted(
4588 &mut state.changed_paths,
4589 relative_paths.iter().cloned(),
4590 usize::MAX,
4591 Ord::cmp,
4592 );
4593 }
4594
4595 fn remove_repo_path(&self, path: &Arc<Path>, snapshot: &mut LocalSnapshot) -> Option<()> {
4596 if !path
4597 .components()
4598 .any(|component| component.as_os_str() == *DOT_GIT)
4599 {
4600 if let Some(local_repo) = snapshot.local_repo_for_work_directory_path(path) {
4601 let id = local_repo.work_directory_id;
4602 log::debug!("remove repo path: {:?}", path);
4603 snapshot.git_repositories.remove(&id);
4604 return Some(());
4605 }
4606 }
4607
4608 Some(())
4609 }
4610
4611 async fn update_ignore_statuses(&self, scan_job_tx: Sender<ScanJob>) {
4612 let mut ignores_to_update = Vec::new();
4613 let (ignore_queue_tx, ignore_queue_rx) = channel::unbounded();
4614 let prev_snapshot;
4615 {
4616 let snapshot = &mut self.state.lock().snapshot;
4617 let abs_path = snapshot.abs_path.clone();
4618 snapshot
4619 .ignores_by_parent_abs_path
4620 .retain(|parent_abs_path, (_, needs_update)| {
4621 if let Ok(parent_path) = parent_abs_path.strip_prefix(abs_path.as_path()) {
4622 if *needs_update {
4623 *needs_update = false;
4624 if snapshot.snapshot.entry_for_path(parent_path).is_some() {
4625 ignores_to_update.push(parent_abs_path.clone());
4626 }
4627 }
4628
4629 let ignore_path = parent_path.join(*GITIGNORE);
4630 if snapshot.snapshot.entry_for_path(ignore_path).is_none() {
4631 return false;
4632 }
4633 }
4634 true
4635 });
4636
4637 ignores_to_update.sort_unstable();
4638 let mut ignores_to_update = ignores_to_update.into_iter().peekable();
4639 while let Some(parent_abs_path) = ignores_to_update.next() {
4640 while ignores_to_update
4641 .peek()
4642 .map_or(false, |p| p.starts_with(&parent_abs_path))
4643 {
4644 ignores_to_update.next().unwrap();
4645 }
4646
4647 let ignore_stack = snapshot.ignore_stack_for_abs_path(&parent_abs_path, true);
4648 ignore_queue_tx
4649 .send_blocking(UpdateIgnoreStatusJob {
4650 abs_path: parent_abs_path,
4651 ignore_stack,
4652 ignore_queue: ignore_queue_tx.clone(),
4653 scan_queue: scan_job_tx.clone(),
4654 })
4655 .unwrap();
4656 }
4657
4658 prev_snapshot = snapshot.clone();
4659 }
4660 drop(ignore_queue_tx);
4661
4662 self.executor
4663 .scoped(|scope| {
4664 for _ in 0..self.executor.num_cpus() {
4665 scope.spawn(async {
4666 loop {
4667 select_biased! {
4668 // Process any path refresh requests before moving on to process
4669 // the queue of ignore statuses.
4670 request = self.next_scan_request().fuse() => {
4671 let Ok(request) = request else { break };
4672 if !self.process_scan_request(request, true).await {
4673 return;
4674 }
4675 }
4676
4677 // Recursively process directories whose ignores have changed.
4678 job = ignore_queue_rx.recv().fuse() => {
4679 let Ok(job) = job else { break };
4680 self.update_ignore_status(job, &prev_snapshot).await;
4681 }
4682 }
4683 }
4684 });
4685 }
4686 })
4687 .await;
4688 }
4689
4690 async fn update_ignore_status(&self, job: UpdateIgnoreStatusJob, snapshot: &LocalSnapshot) {
4691 log::trace!("update ignore status {:?}", job.abs_path);
4692
4693 let mut ignore_stack = job.ignore_stack;
4694 if let Some((ignore, _)) = snapshot.ignores_by_parent_abs_path.get(&job.abs_path) {
4695 ignore_stack = ignore_stack.append(job.abs_path.clone(), ignore.clone());
4696 }
4697
4698 let mut entries_by_id_edits = Vec::new();
4699 let mut entries_by_path_edits = Vec::new();
4700 let path = job
4701 .abs_path
4702 .strip_prefix(snapshot.abs_path.as_path())
4703 .unwrap();
4704
4705 for mut entry in snapshot.child_entries(path).cloned() {
4706 let was_ignored = entry.is_ignored;
4707 let abs_path: Arc<Path> = snapshot.abs_path().join(&entry.path).into();
4708 entry.is_ignored = ignore_stack.is_abs_path_ignored(&abs_path, entry.is_dir());
4709
4710 if entry.is_dir() {
4711 let child_ignore_stack = if entry.is_ignored {
4712 IgnoreStack::all()
4713 } else {
4714 ignore_stack.clone()
4715 };
4716
4717 // Scan any directories that were previously ignored and weren't previously scanned.
4718 if was_ignored && !entry.is_ignored && entry.kind.is_unloaded() {
4719 let state = self.state.lock();
4720 if state.should_scan_directory(&entry) {
4721 state.enqueue_scan_dir(abs_path.clone(), &entry, &job.scan_queue);
4722 }
4723 }
4724
4725 job.ignore_queue
4726 .send(UpdateIgnoreStatusJob {
4727 abs_path: abs_path.clone(),
4728 ignore_stack: child_ignore_stack,
4729 ignore_queue: job.ignore_queue.clone(),
4730 scan_queue: job.scan_queue.clone(),
4731 })
4732 .await
4733 .unwrap();
4734 }
4735
4736 if entry.is_ignored != was_ignored {
4737 let mut path_entry = snapshot.entries_by_id.get(&entry.id, &()).unwrap().clone();
4738 path_entry.scan_id = snapshot.scan_id;
4739 path_entry.is_ignored = entry.is_ignored;
4740 entries_by_id_edits.push(Edit::Insert(path_entry));
4741 entries_by_path_edits.push(Edit::Insert(entry));
4742 }
4743 }
4744
4745 let state = &mut self.state.lock();
4746 for edit in &entries_by_path_edits {
4747 if let Edit::Insert(entry) = edit {
4748 if let Err(ix) = state.changed_paths.binary_search(&entry.path) {
4749 state.changed_paths.insert(ix, entry.path.clone());
4750 }
4751 }
4752 }
4753
4754 state
4755 .snapshot
4756 .entries_by_path
4757 .edit(entries_by_path_edits, &());
4758 state.snapshot.entries_by_id.edit(entries_by_id_edits, &());
4759 }
4760
4761 fn update_git_repositories(&self, dot_git_paths: Vec<PathBuf>) {
4762 log::trace!("reloading repositories: {dot_git_paths:?}");
4763 let mut state = self.state.lock();
4764 let scan_id = state.snapshot.scan_id;
4765 for dot_git_dir in dot_git_paths {
4766 let existing_repository_entry =
4767 state
4768 .snapshot
4769 .git_repositories
4770 .iter()
4771 .find_map(|(_, repo)| {
4772 if repo.common_dir_abs_path.as_ref() == &dot_git_dir
4773 || repo.repository_dir_abs_path.as_ref() == &dot_git_dir
4774 {
4775 Some(repo.clone())
4776 } else {
4777 None
4778 }
4779 });
4780
4781 match existing_repository_entry {
4782 None => {
4783 let Ok(relative) = dot_git_dir.strip_prefix(state.snapshot.abs_path()) else {
4784 return;
4785 };
4786 state.insert_git_repository(
4787 relative.into(),
4788 self.fs.as_ref(),
4789 self.watcher.as_ref(),
4790 );
4791 }
4792 Some(local_repository) => {
4793 state.snapshot.git_repositories.update(
4794 &local_repository.work_directory_id,
4795 |entry| {
4796 entry.git_dir_scan_id = scan_id;
4797 },
4798 );
4799 }
4800 };
4801 }
4802
4803 // Remove any git repositories whose .git entry no longer exists.
4804 let snapshot = &mut state.snapshot;
4805 let mut ids_to_preserve = HashSet::default();
4806 for (&work_directory_id, entry) in snapshot.git_repositories.iter() {
4807 let exists_in_snapshot = snapshot
4808 .entry_for_id(work_directory_id)
4809 .map_or(false, |entry| {
4810 snapshot.entry_for_path(entry.path.join(*DOT_GIT)).is_some()
4811 });
4812
4813 if exists_in_snapshot
4814 || matches!(
4815 smol::block_on(self.fs.metadata(&entry.common_dir_abs_path)),
4816 Ok(Some(_))
4817 )
4818 {
4819 ids_to_preserve.insert(work_directory_id);
4820 }
4821 }
4822
4823 snapshot
4824 .git_repositories
4825 .retain(|work_directory_id, _| ids_to_preserve.contains(work_directory_id));
4826 }
4827
4828 async fn progress_timer(&self, running: bool) {
4829 if !running {
4830 return futures::future::pending().await;
4831 }
4832
4833 #[cfg(any(test, feature = "test-support"))]
4834 if self.fs.is_fake() {
4835 return self.executor.simulate_random_delay().await;
4836 }
4837
4838 smol::Timer::after(FS_WATCH_LATENCY).await;
4839 }
4840
4841 fn is_path_private(&self, path: &Path) -> bool {
4842 !self.share_private_files && self.settings.is_path_private(path)
4843 }
4844
4845 async fn next_scan_request(&self) -> Result<ScanRequest> {
4846 let mut request = self.scan_requests_rx.recv().await?;
4847 while let Ok(next_request) = self.scan_requests_rx.try_recv() {
4848 request.relative_paths.extend(next_request.relative_paths);
4849 request.done.extend(next_request.done);
4850 }
4851 Ok(request)
4852 }
4853}
4854
4855async fn discover_ancestor_git_repo(
4856 fs: Arc<dyn Fs>,
4857 root_abs_path: &SanitizedPath,
4858) -> (
4859 HashMap<Arc<Path>, (Arc<Gitignore>, bool)>,
4860 Option<(PathBuf, WorkDirectory)>,
4861) {
4862 let mut ignores = HashMap::default();
4863 for (index, ancestor) in root_abs_path.as_path().ancestors().enumerate() {
4864 if index != 0 {
4865 if Some(ancestor) == fs.home_dir().as_deref() {
4866 // Unless $HOME is itself the worktree root, don't consider it as a
4867 // containing git repository---expensive and likely unwanted.
4868 break;
4869 } else if let Ok(ignore) =
4870 build_gitignore(&ancestor.join(*GITIGNORE), fs.as_ref()).await
4871 {
4872 ignores.insert(ancestor.into(), (ignore.into(), false));
4873 }
4874 }
4875
4876 let ancestor_dot_git = ancestor.join(*DOT_GIT);
4877 log::trace!("considering ancestor: {ancestor_dot_git:?}");
4878 // Check whether the directory or file called `.git` exists (in the
4879 // case of worktrees it's a file.)
4880 if fs
4881 .metadata(&ancestor_dot_git)
4882 .await
4883 .is_ok_and(|metadata| metadata.is_some())
4884 {
4885 if index != 0 {
4886 // We canonicalize, since the FS events use the canonicalized path.
4887 if let Some(ancestor_dot_git) = fs.canonicalize(&ancestor_dot_git).await.log_err() {
4888 let location_in_repo = root_abs_path
4889 .as_path()
4890 .strip_prefix(ancestor)
4891 .unwrap()
4892 .into();
4893 log::info!("inserting parent git repo for this worktree: {location_in_repo:?}");
4894 // We associate the external git repo with our root folder and
4895 // also mark where in the git repo the root folder is located.
4896 return (
4897 ignores,
4898 Some((
4899 ancestor_dot_git,
4900 WorkDirectory::AboveProject {
4901 absolute_path: ancestor.into(),
4902 location_in_repo,
4903 },
4904 )),
4905 );
4906 };
4907 }
4908
4909 // Reached root of git repository.
4910 break;
4911 }
4912 }
4913
4914 (ignores, None)
4915}
4916
4917fn build_diff(
4918 phase: BackgroundScannerPhase,
4919 old_snapshot: &Snapshot,
4920 new_snapshot: &Snapshot,
4921 event_paths: &[Arc<Path>],
4922) -> UpdatedEntriesSet {
4923 use BackgroundScannerPhase::*;
4924 use PathChange::{Added, AddedOrUpdated, Loaded, Removed, Updated};
4925
4926 // Identify which paths have changed. Use the known set of changed
4927 // parent paths to optimize the search.
4928 let mut changes = Vec::new();
4929 let mut old_paths = old_snapshot.entries_by_path.cursor::<PathKey>(&());
4930 let mut new_paths = new_snapshot.entries_by_path.cursor::<PathKey>(&());
4931 let mut last_newly_loaded_dir_path = None;
4932 old_paths.next(&());
4933 new_paths.next(&());
4934 for path in event_paths {
4935 let path = PathKey(path.clone());
4936 if old_paths.item().map_or(false, |e| e.path < path.0) {
4937 old_paths.seek_forward(&path, Bias::Left, &());
4938 }
4939 if new_paths.item().map_or(false, |e| e.path < path.0) {
4940 new_paths.seek_forward(&path, Bias::Left, &());
4941 }
4942 loop {
4943 match (old_paths.item(), new_paths.item()) {
4944 (Some(old_entry), Some(new_entry)) => {
4945 if old_entry.path > path.0
4946 && new_entry.path > path.0
4947 && !old_entry.path.starts_with(&path.0)
4948 && !new_entry.path.starts_with(&path.0)
4949 {
4950 break;
4951 }
4952
4953 match Ord::cmp(&old_entry.path, &new_entry.path) {
4954 Ordering::Less => {
4955 changes.push((old_entry.path.clone(), old_entry.id, Removed));
4956 old_paths.next(&());
4957 }
4958 Ordering::Equal => {
4959 if phase == EventsReceivedDuringInitialScan {
4960 if old_entry.id != new_entry.id {
4961 changes.push((old_entry.path.clone(), old_entry.id, Removed));
4962 }
4963 // If the worktree was not fully initialized when this event was generated,
4964 // we can't know whether this entry was added during the scan or whether
4965 // it was merely updated.
4966 changes.push((
4967 new_entry.path.clone(),
4968 new_entry.id,
4969 AddedOrUpdated,
4970 ));
4971 } else if old_entry.id != new_entry.id {
4972 changes.push((old_entry.path.clone(), old_entry.id, Removed));
4973 changes.push((new_entry.path.clone(), new_entry.id, Added));
4974 } else if old_entry != new_entry {
4975 if old_entry.kind.is_unloaded() {
4976 last_newly_loaded_dir_path = Some(&new_entry.path);
4977 changes.push((new_entry.path.clone(), new_entry.id, Loaded));
4978 } else {
4979 changes.push((new_entry.path.clone(), new_entry.id, Updated));
4980 }
4981 }
4982 old_paths.next(&());
4983 new_paths.next(&());
4984 }
4985 Ordering::Greater => {
4986 let is_newly_loaded = phase == InitialScan
4987 || last_newly_loaded_dir_path
4988 .as_ref()
4989 .map_or(false, |dir| new_entry.path.starts_with(dir));
4990 changes.push((
4991 new_entry.path.clone(),
4992 new_entry.id,
4993 if is_newly_loaded { Loaded } else { Added },
4994 ));
4995 new_paths.next(&());
4996 }
4997 }
4998 }
4999 (Some(old_entry), None) => {
5000 changes.push((old_entry.path.clone(), old_entry.id, Removed));
5001 old_paths.next(&());
5002 }
5003 (None, Some(new_entry)) => {
5004 let is_newly_loaded = phase == InitialScan
5005 || last_newly_loaded_dir_path
5006 .as_ref()
5007 .map_or(false, |dir| new_entry.path.starts_with(dir));
5008 changes.push((
5009 new_entry.path.clone(),
5010 new_entry.id,
5011 if is_newly_loaded { Loaded } else { Added },
5012 ));
5013 new_paths.next(&());
5014 }
5015 (None, None) => break,
5016 }
5017 }
5018 }
5019
5020 changes.into()
5021}
5022
5023fn swap_to_front(child_paths: &mut Vec<PathBuf>, file: &OsStr) {
5024 let position = child_paths
5025 .iter()
5026 .position(|path| path.file_name().unwrap() == file);
5027 if let Some(position) = position {
5028 let temp = child_paths.remove(position);
5029 child_paths.insert(0, temp);
5030 }
5031}
5032
5033fn char_bag_for_path(root_char_bag: CharBag, path: &Path) -> CharBag {
5034 let mut result = root_char_bag;
5035 result.extend(
5036 path.to_string_lossy()
5037 .chars()
5038 .map(|c| c.to_ascii_lowercase()),
5039 );
5040 result
5041}
5042
5043#[derive(Debug)]
5044struct ScanJob {
5045 abs_path: Arc<Path>,
5046 path: Arc<Path>,
5047 ignore_stack: Arc<IgnoreStack>,
5048 scan_queue: Sender<ScanJob>,
5049 ancestor_inodes: TreeSet<u64>,
5050 is_external: bool,
5051}
5052
5053struct UpdateIgnoreStatusJob {
5054 abs_path: Arc<Path>,
5055 ignore_stack: Arc<IgnoreStack>,
5056 ignore_queue: Sender<UpdateIgnoreStatusJob>,
5057 scan_queue: Sender<ScanJob>,
5058}
5059
5060pub trait WorktreeModelHandle {
5061 #[cfg(any(test, feature = "test-support"))]
5062 fn flush_fs_events<'a>(
5063 &self,
5064 cx: &'a mut gpui::TestAppContext,
5065 ) -> futures::future::LocalBoxFuture<'a, ()>;
5066
5067 #[cfg(any(test, feature = "test-support"))]
5068 fn flush_fs_events_in_root_git_repository<'a>(
5069 &self,
5070 cx: &'a mut gpui::TestAppContext,
5071 ) -> futures::future::LocalBoxFuture<'a, ()>;
5072}
5073
5074impl WorktreeModelHandle for Entity<Worktree> {
5075 // When the worktree's FS event stream sometimes delivers "redundant" events for FS changes that
5076 // occurred before the worktree was constructed. These events can cause the worktree to perform
5077 // extra directory scans, and emit extra scan-state notifications.
5078 //
5079 // This function mutates the worktree's directory and waits for those mutations to be picked up,
5080 // to ensure that all redundant FS events have already been processed.
5081 #[cfg(any(test, feature = "test-support"))]
5082 fn flush_fs_events<'a>(
5083 &self,
5084 cx: &'a mut gpui::TestAppContext,
5085 ) -> futures::future::LocalBoxFuture<'a, ()> {
5086 let file_name = "fs-event-sentinel";
5087
5088 let tree = self.clone();
5089 let (fs, root_path) = self.read_with(cx, |tree, _| {
5090 let tree = tree.as_local().unwrap();
5091 (tree.fs.clone(), tree.abs_path().clone())
5092 });
5093
5094 async move {
5095 fs.create_file(&root_path.join(file_name), Default::default())
5096 .await
5097 .unwrap();
5098
5099 let mut events = cx.events(&tree);
5100 while events.next().await.is_some() {
5101 if tree.read_with(cx, |tree, _| tree.entry_for_path(file_name).is_some()) {
5102 break;
5103 }
5104 }
5105
5106 fs.remove_file(&root_path.join(file_name), Default::default())
5107 .await
5108 .unwrap();
5109 while events.next().await.is_some() {
5110 if tree.read_with(cx, |tree, _| tree.entry_for_path(file_name).is_none()) {
5111 break;
5112 }
5113 }
5114
5115 cx.update(|cx| tree.read(cx).as_local().unwrap().scan_complete())
5116 .await;
5117 }
5118 .boxed_local()
5119 }
5120
5121 // This function is similar to flush_fs_events, except that it waits for events to be flushed in
5122 // the .git folder of the root repository.
5123 // The reason for its existence is that a repository's .git folder might live *outside* of the
5124 // worktree and thus its FS events might go through a different path.
5125 // In order to flush those, we need to create artificial events in the .git folder and wait
5126 // for the repository to be reloaded.
5127 #[cfg(any(test, feature = "test-support"))]
5128 fn flush_fs_events_in_root_git_repository<'a>(
5129 &self,
5130 cx: &'a mut gpui::TestAppContext,
5131 ) -> futures::future::LocalBoxFuture<'a, ()> {
5132 let file_name = "fs-event-sentinel";
5133
5134 let tree = self.clone();
5135 let (fs, root_path, mut git_dir_scan_id) = self.read_with(cx, |tree, _| {
5136 let tree = tree.as_local().unwrap();
5137 let local_repo_entry = tree
5138 .git_repositories
5139 .values()
5140 .min_by_key(|local_repo_entry| local_repo_entry.work_directory.clone())
5141 .unwrap();
5142 (
5143 tree.fs.clone(),
5144 local_repo_entry.common_dir_abs_path.clone(),
5145 local_repo_entry.git_dir_scan_id,
5146 )
5147 });
5148
5149 let scan_id_increased = |tree: &mut Worktree, git_dir_scan_id: &mut usize| {
5150 let tree = tree.as_local().unwrap();
5151 // let repository = tree.repositories.first().unwrap();
5152 let local_repo_entry = tree
5153 .git_repositories
5154 .values()
5155 .min_by_key(|local_repo_entry| local_repo_entry.work_directory.clone())
5156 .unwrap();
5157
5158 if local_repo_entry.git_dir_scan_id > *git_dir_scan_id {
5159 *git_dir_scan_id = local_repo_entry.git_dir_scan_id;
5160 true
5161 } else {
5162 false
5163 }
5164 };
5165
5166 async move {
5167 fs.create_file(&root_path.join(file_name), Default::default())
5168 .await
5169 .unwrap();
5170
5171 let mut events = cx.events(&tree);
5172 while events.next().await.is_some() {
5173 if tree.update(cx, |tree, _| scan_id_increased(tree, &mut git_dir_scan_id)) {
5174 break;
5175 }
5176 }
5177
5178 fs.remove_file(&root_path.join(file_name), Default::default())
5179 .await
5180 .unwrap();
5181
5182 while events.next().await.is_some() {
5183 if tree.update(cx, |tree, _| scan_id_increased(tree, &mut git_dir_scan_id)) {
5184 break;
5185 }
5186 }
5187
5188 cx.update(|cx| tree.read(cx).as_local().unwrap().scan_complete())
5189 .await;
5190 }
5191 .boxed_local()
5192 }
5193}
5194
5195#[derive(Clone, Debug)]
5196struct TraversalProgress<'a> {
5197 max_path: &'a Path,
5198 count: usize,
5199 non_ignored_count: usize,
5200 file_count: usize,
5201 non_ignored_file_count: usize,
5202}
5203
5204impl TraversalProgress<'_> {
5205 fn count(&self, include_files: bool, include_dirs: bool, include_ignored: bool) -> usize {
5206 match (include_files, include_dirs, include_ignored) {
5207 (true, true, true) => self.count,
5208 (true, true, false) => self.non_ignored_count,
5209 (true, false, true) => self.file_count,
5210 (true, false, false) => self.non_ignored_file_count,
5211 (false, true, true) => self.count - self.file_count,
5212 (false, true, false) => self.non_ignored_count - self.non_ignored_file_count,
5213 (false, false, _) => 0,
5214 }
5215 }
5216}
5217
5218impl<'a> sum_tree::Dimension<'a, EntrySummary> for TraversalProgress<'a> {
5219 fn zero(_cx: &()) -> Self {
5220 Default::default()
5221 }
5222
5223 fn add_summary(&mut self, summary: &'a EntrySummary, _: &()) {
5224 self.max_path = summary.max_path.as_ref();
5225 self.count += summary.count;
5226 self.non_ignored_count += summary.non_ignored_count;
5227 self.file_count += summary.file_count;
5228 self.non_ignored_file_count += summary.non_ignored_file_count;
5229 }
5230}
5231
5232impl Default for TraversalProgress<'_> {
5233 fn default() -> Self {
5234 Self {
5235 max_path: Path::new(""),
5236 count: 0,
5237 non_ignored_count: 0,
5238 file_count: 0,
5239 non_ignored_file_count: 0,
5240 }
5241 }
5242}
5243
5244#[derive(Debug)]
5245pub struct Traversal<'a> {
5246 snapshot: &'a Snapshot,
5247 cursor: sum_tree::Cursor<'a, Entry, TraversalProgress<'a>>,
5248 include_ignored: bool,
5249 include_files: bool,
5250 include_dirs: bool,
5251}
5252
5253impl<'a> Traversal<'a> {
5254 fn new(
5255 snapshot: &'a Snapshot,
5256 include_files: bool,
5257 include_dirs: bool,
5258 include_ignored: bool,
5259 start_path: &Path,
5260 ) -> Self {
5261 let mut cursor = snapshot.entries_by_path.cursor(&());
5262 cursor.seek(&TraversalTarget::path(start_path), Bias::Left, &());
5263 let mut traversal = Self {
5264 snapshot,
5265 cursor,
5266 include_files,
5267 include_dirs,
5268 include_ignored,
5269 };
5270 if traversal.end_offset() == traversal.start_offset() {
5271 traversal.next();
5272 }
5273 traversal
5274 }
5275
5276 pub fn advance(&mut self) -> bool {
5277 self.advance_by(1)
5278 }
5279
5280 pub fn advance_by(&mut self, count: usize) -> bool {
5281 self.cursor.seek_forward(
5282 &TraversalTarget::Count {
5283 count: self.end_offset() + count,
5284 include_dirs: self.include_dirs,
5285 include_files: self.include_files,
5286 include_ignored: self.include_ignored,
5287 },
5288 Bias::Left,
5289 &(),
5290 )
5291 }
5292
5293 pub fn advance_to_sibling(&mut self) -> bool {
5294 while let Some(entry) = self.cursor.item() {
5295 self.cursor
5296 .seek_forward(&TraversalTarget::successor(&entry.path), Bias::Left, &());
5297 if let Some(entry) = self.cursor.item() {
5298 if (self.include_files || !entry.is_file())
5299 && (self.include_dirs || !entry.is_dir())
5300 && (self.include_ignored || !entry.is_ignored || entry.is_always_included)
5301 {
5302 return true;
5303 }
5304 }
5305 }
5306 false
5307 }
5308
5309 pub fn back_to_parent(&mut self) -> bool {
5310 let Some(parent_path) = self.cursor.item().and_then(|entry| entry.path.parent()) else {
5311 return false;
5312 };
5313 self.cursor
5314 .seek(&TraversalTarget::path(parent_path), Bias::Left, &())
5315 }
5316
5317 pub fn entry(&self) -> Option<&'a Entry> {
5318 self.cursor.item()
5319 }
5320
5321 pub fn snapshot(&self) -> &'a Snapshot {
5322 self.snapshot
5323 }
5324
5325 pub fn start_offset(&self) -> usize {
5326 self.cursor
5327 .start()
5328 .count(self.include_files, self.include_dirs, self.include_ignored)
5329 }
5330
5331 pub fn end_offset(&self) -> usize {
5332 self.cursor
5333 .end(&())
5334 .count(self.include_files, self.include_dirs, self.include_ignored)
5335 }
5336}
5337
5338impl<'a> Iterator for Traversal<'a> {
5339 type Item = &'a Entry;
5340
5341 fn next(&mut self) -> Option<Self::Item> {
5342 if let Some(item) = self.entry() {
5343 self.advance();
5344 Some(item)
5345 } else {
5346 None
5347 }
5348 }
5349}
5350
5351#[derive(Debug, Clone, Copy)]
5352pub enum PathTarget<'a> {
5353 Path(&'a Path),
5354 Successor(&'a Path),
5355}
5356
5357impl PathTarget<'_> {
5358 fn cmp_path(&self, other: &Path) -> Ordering {
5359 match self {
5360 PathTarget::Path(path) => path.cmp(&other),
5361 PathTarget::Successor(path) => {
5362 if other.starts_with(path) {
5363 Ordering::Greater
5364 } else {
5365 Ordering::Equal
5366 }
5367 }
5368 }
5369 }
5370}
5371
5372impl<'a, S: Summary> SeekTarget<'a, PathSummary<S>, PathProgress<'a>> for PathTarget<'_> {
5373 fn cmp(&self, cursor_location: &PathProgress<'a>, _: &S::Context) -> Ordering {
5374 self.cmp_path(&cursor_location.max_path)
5375 }
5376}
5377
5378impl<'a, S: Summary> SeekTarget<'a, PathSummary<S>, TraversalProgress<'a>> for PathTarget<'_> {
5379 fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &S::Context) -> Ordering {
5380 self.cmp_path(&cursor_location.max_path)
5381 }
5382}
5383
5384#[derive(Debug)]
5385enum TraversalTarget<'a> {
5386 Path(PathTarget<'a>),
5387 Count {
5388 count: usize,
5389 include_files: bool,
5390 include_ignored: bool,
5391 include_dirs: bool,
5392 },
5393}
5394
5395impl<'a> TraversalTarget<'a> {
5396 fn path(path: &'a Path) -> Self {
5397 Self::Path(PathTarget::Path(path))
5398 }
5399
5400 fn successor(path: &'a Path) -> Self {
5401 Self::Path(PathTarget::Successor(path))
5402 }
5403
5404 fn cmp_progress(&self, progress: &TraversalProgress) -> Ordering {
5405 match self {
5406 TraversalTarget::Path(path) => path.cmp_path(&progress.max_path),
5407 TraversalTarget::Count {
5408 count,
5409 include_files,
5410 include_dirs,
5411 include_ignored,
5412 } => Ord::cmp(
5413 count,
5414 &progress.count(*include_files, *include_dirs, *include_ignored),
5415 ),
5416 }
5417 }
5418}
5419
5420impl<'a> SeekTarget<'a, EntrySummary, TraversalProgress<'a>> for TraversalTarget<'_> {
5421 fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &()) -> Ordering {
5422 self.cmp_progress(cursor_location)
5423 }
5424}
5425
5426impl<'a> SeekTarget<'a, PathSummary<Unit>, TraversalProgress<'a>> for TraversalTarget<'_> {
5427 fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &()) -> Ordering {
5428 self.cmp_progress(cursor_location)
5429 }
5430}
5431
5432pub struct ChildEntriesOptions {
5433 pub include_files: bool,
5434 pub include_dirs: bool,
5435 pub include_ignored: bool,
5436}
5437
5438pub struct ChildEntriesIter<'a> {
5439 parent_path: &'a Path,
5440 traversal: Traversal<'a>,
5441}
5442
5443impl<'a> Iterator for ChildEntriesIter<'a> {
5444 type Item = &'a Entry;
5445
5446 fn next(&mut self) -> Option<Self::Item> {
5447 if let Some(item) = self.traversal.entry() {
5448 if item.path.starts_with(self.parent_path) {
5449 self.traversal.advance_to_sibling();
5450 return Some(item);
5451 }
5452 }
5453 None
5454 }
5455}
5456
5457impl<'a> From<&'a Entry> for proto::Entry {
5458 fn from(entry: &'a Entry) -> Self {
5459 Self {
5460 id: entry.id.to_proto(),
5461 is_dir: entry.is_dir(),
5462 path: entry.path.as_ref().to_proto(),
5463 inode: entry.inode,
5464 mtime: entry.mtime.map(|time| time.into()),
5465 is_ignored: entry.is_ignored,
5466 is_external: entry.is_external,
5467 is_fifo: entry.is_fifo,
5468 size: Some(entry.size),
5469 canonical_path: entry
5470 .canonical_path
5471 .as_ref()
5472 .map(|path| path.as_ref().to_proto()),
5473 }
5474 }
5475}
5476
5477impl<'a> TryFrom<(&'a CharBag, &PathMatcher, proto::Entry)> for Entry {
5478 type Error = anyhow::Error;
5479
5480 fn try_from(
5481 (root_char_bag, always_included, entry): (&'a CharBag, &PathMatcher, proto::Entry),
5482 ) -> Result<Self> {
5483 let kind = if entry.is_dir {
5484 EntryKind::Dir
5485 } else {
5486 EntryKind::File
5487 };
5488
5489 let path = Arc::<Path>::from_proto(entry.path);
5490 let char_bag = char_bag_for_path(*root_char_bag, &path);
5491 let is_always_included = always_included.is_match(path.as_ref());
5492 Ok(Entry {
5493 id: ProjectEntryId::from_proto(entry.id),
5494 kind,
5495 path,
5496 inode: entry.inode,
5497 mtime: entry.mtime.map(|time| time.into()),
5498 size: entry.size.unwrap_or(0),
5499 canonical_path: entry
5500 .canonical_path
5501 .map(|path_string| Arc::from(PathBuf::from_proto(path_string))),
5502 is_ignored: entry.is_ignored,
5503 is_always_included,
5504 is_external: entry.is_external,
5505 is_private: false,
5506 char_bag,
5507 is_fifo: entry.is_fifo,
5508 })
5509 }
5510}
5511
5512#[derive(Clone, Copy, Debug, Default, Hash, PartialEq, Eq, PartialOrd, Ord)]
5513pub struct ProjectEntryId(usize);
5514
5515impl ProjectEntryId {
5516 pub const MAX: Self = Self(usize::MAX);
5517 pub const MIN: Self = Self(usize::MIN);
5518
5519 pub fn new(counter: &AtomicUsize) -> Self {
5520 Self(counter.fetch_add(1, SeqCst))
5521 }
5522
5523 pub fn from_proto(id: u64) -> Self {
5524 Self(id as usize)
5525 }
5526
5527 pub fn to_proto(&self) -> u64 {
5528 self.0 as u64
5529 }
5530
5531 pub fn from_usize(id: usize) -> Self {
5532 ProjectEntryId(id)
5533 }
5534
5535 pub fn to_usize(&self) -> usize {
5536 self.0
5537 }
5538}
5539
5540#[cfg(any(test, feature = "test-support"))]
5541impl CreatedEntry {
5542 pub fn to_included(self) -> Option<Entry> {
5543 match self {
5544 CreatedEntry::Included(entry) => Some(entry),
5545 CreatedEntry::Excluded { .. } => None,
5546 }
5547 }
5548}
5549
5550fn parse_gitfile(content: &str) -> anyhow::Result<&Path> {
5551 let path = content
5552 .strip_prefix("gitdir:")
5553 .with_context(|| format!("parsing gitfile content {content:?}"))?;
5554 Ok(Path::new(path.trim()))
5555}
5556
5557fn discover_git_paths(dot_git_abs_path: &Arc<Path>, fs: &dyn Fs) -> (Arc<Path>, Arc<Path>) {
5558 let mut repository_dir_abs_path = dot_git_abs_path.clone();
5559 let mut common_dir_abs_path = dot_git_abs_path.clone();
5560
5561 if let Some(path) = smol::block_on(fs.load(&dot_git_abs_path))
5562 .ok()
5563 .as_ref()
5564 .and_then(|contents| parse_gitfile(contents).log_err())
5565 {
5566 let path = dot_git_abs_path
5567 .parent()
5568 .unwrap_or(Path::new(""))
5569 .join(path);
5570 if let Some(path) = smol::block_on(fs.canonicalize(&path)).log_err() {
5571 repository_dir_abs_path = Path::new(&path).into();
5572 common_dir_abs_path = repository_dir_abs_path.clone();
5573 if let Some(commondir_contents) = smol::block_on(fs.load(&path.join("commondir"))).ok()
5574 {
5575 if let Some(commondir_path) =
5576 smol::block_on(fs.canonicalize(&path.join(commondir_contents.trim()))).log_err()
5577 {
5578 common_dir_abs_path = commondir_path.as_path().into();
5579 }
5580 }
5581 }
5582 };
5583
5584 (repository_dir_abs_path, common_dir_abs_path)
5585}