1use crate::{
2 copy_recursive, ignore::IgnoreStack, DiagnosticSummary, ProjectEntryId, RemoveOptions,
3};
4use ::ignore::gitignore::{Gitignore, GitignoreBuilder};
5use anyhow::{anyhow, Context, Result};
6use client::{proto, Client};
7use clock::ReplicaId;
8use collections::{HashMap, VecDeque};
9use fs::{
10 repository::{GitRepository, GitStatus, RepoPath},
11 Fs, LineEnding,
12};
13use futures::{
14 channel::{
15 mpsc::{self, UnboundedSender},
16 oneshot,
17 },
18 select_biased,
19 task::Poll,
20 Stream, StreamExt,
21};
22use fuzzy::CharBag;
23use git::{DOT_GIT, GITIGNORE};
24use gpui::{executor, AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, Task};
25use language::{
26 proto::{
27 deserialize_fingerprint, deserialize_version, serialize_fingerprint, serialize_line_ending,
28 serialize_version,
29 },
30 Buffer, DiagnosticEntry, File as _, PointUtf16, Rope, RopeFingerprint, Unclipped,
31};
32use lsp::LanguageServerId;
33use parking_lot::Mutex;
34use postage::{
35 barrier,
36 prelude::{Sink as _, Stream as _},
37 watch,
38};
39use smol::channel::{self, Sender};
40use std::{
41 any::Any,
42 cmp::{self, Ordering},
43 convert::TryFrom,
44 ffi::OsStr,
45 fmt,
46 future::Future,
47 mem,
48 ops::{Deref, DerefMut},
49 path::{Path, PathBuf},
50 pin::Pin,
51 sync::{
52 atomic::{AtomicUsize, Ordering::SeqCst},
53 Arc,
54 },
55 time::{Duration, SystemTime},
56};
57use sum_tree::{Bias, Edit, SeekTarget, SumTree, TreeMap, TreeSet};
58use util::{paths::HOME, ResultExt, TryFutureExt};
59
60#[derive(Copy, Clone, PartialEq, Eq, Debug, Hash, PartialOrd, Ord)]
61pub struct WorktreeId(usize);
62
63pub enum Worktree {
64 Local(LocalWorktree),
65 Remote(RemoteWorktree),
66}
67
68pub struct LocalWorktree {
69 snapshot: LocalSnapshot,
70 path_changes_tx: channel::Sender<(Vec<PathBuf>, barrier::Sender)>,
71 is_scanning: (watch::Sender<bool>, watch::Receiver<bool>),
72 _background_scanner_task: Task<()>,
73 share: Option<ShareState>,
74 diagnostics: HashMap<
75 Arc<Path>,
76 Vec<(
77 LanguageServerId,
78 Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
79 )>,
80 >,
81 diagnostic_summaries: HashMap<Arc<Path>, HashMap<LanguageServerId, DiagnosticSummary>>,
82 client: Arc<Client>,
83 fs: Arc<dyn Fs>,
84 visible: bool,
85}
86
87pub struct RemoteWorktree {
88 snapshot: Snapshot,
89 background_snapshot: Arc<Mutex<Snapshot>>,
90 project_id: u64,
91 client: Arc<Client>,
92 updates_tx: Option<UnboundedSender<proto::UpdateWorktree>>,
93 snapshot_subscriptions: VecDeque<(usize, oneshot::Sender<()>)>,
94 replica_id: ReplicaId,
95 diagnostic_summaries: HashMap<Arc<Path>, HashMap<LanguageServerId, DiagnosticSummary>>,
96 visible: bool,
97 disconnected: bool,
98}
99
100#[derive(Clone)]
101pub struct Snapshot {
102 id: WorktreeId,
103 abs_path: Arc<Path>,
104 root_name: String,
105 root_char_bag: CharBag,
106 entries_by_path: SumTree<Entry>,
107 entries_by_id: SumTree<PathEntry>,
108 repository_entries: TreeMap<RepositoryWorkDirectory, RepositoryEntry>,
109
110 /// A number that increases every time the worktree begins scanning
111 /// a set of paths from the filesystem. This scanning could be caused
112 /// by some operation performed on the worktree, such as reading or
113 /// writing a file, or by an event reported by the filesystem.
114 scan_id: usize,
115
116 /// The latest scan id that has completed, and whose preceding scans
117 /// have all completed. The current `scan_id` could be more than one
118 /// greater than the `completed_scan_id` if operations are performed
119 /// on the worktree while it is processing a file-system event.
120 completed_scan_id: usize,
121}
122
123#[derive(Clone, Debug, PartialEq, Eq)]
124pub struct RepositoryEntry {
125 pub(crate) work_directory: WorkDirectoryEntry,
126 pub(crate) branch: Option<Arc<str>>,
127 pub(crate) statuses: TreeMap<RepoPath, GitStatus>,
128}
129
130impl RepositoryEntry {
131 pub fn branch(&self) -> Option<Arc<str>> {
132 self.branch.clone()
133 }
134
135 pub fn work_directory_id(&self) -> ProjectEntryId {
136 *self.work_directory
137 }
138
139 pub fn work_directory(&self, snapshot: &Snapshot) -> Option<RepositoryWorkDirectory> {
140 snapshot
141 .entry_for_id(self.work_directory_id())
142 .map(|entry| RepositoryWorkDirectory(entry.path.clone()))
143 }
144
145 pub(crate) fn contains(&self, snapshot: &Snapshot, path: &Path) -> bool {
146 self.work_directory.contains(snapshot, path)
147 }
148}
149
150impl From<&RepositoryEntry> for proto::RepositoryEntry {
151 fn from(value: &RepositoryEntry) -> Self {
152 proto::RepositoryEntry {
153 work_directory_id: value.work_directory.to_proto(),
154 branch: value.branch.as_ref().map(|str| str.to_string()),
155 }
156 }
157}
158
159/// This path corresponds to the 'content path' (the folder that contains the .git)
160#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
161pub struct RepositoryWorkDirectory(Arc<Path>);
162
163impl Default for RepositoryWorkDirectory {
164 fn default() -> Self {
165 RepositoryWorkDirectory(Arc::from(Path::new("")))
166 }
167}
168
169impl AsRef<Path> for RepositoryWorkDirectory {
170 fn as_ref(&self) -> &Path {
171 self.0.as_ref()
172 }
173}
174
175#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
176pub struct WorkDirectoryEntry(ProjectEntryId);
177
178impl WorkDirectoryEntry {
179 // Note that these paths should be relative to the worktree root.
180 pub(crate) fn contains(&self, snapshot: &Snapshot, path: &Path) -> bool {
181 snapshot
182 .entry_for_id(self.0)
183 .map(|entry| path.starts_with(&entry.path))
184 .unwrap_or(false)
185 }
186
187 pub(crate) fn relativize(&self, worktree: &Snapshot, path: &Path) -> Option<RepoPath> {
188 worktree.entry_for_id(self.0).and_then(|entry| {
189 path.strip_prefix(&entry.path)
190 .ok()
191 .map(move |path| path.into())
192 })
193 }
194}
195
196impl Deref for WorkDirectoryEntry {
197 type Target = ProjectEntryId;
198
199 fn deref(&self) -> &Self::Target {
200 &self.0
201 }
202}
203
204impl<'a> From<ProjectEntryId> for WorkDirectoryEntry {
205 fn from(value: ProjectEntryId) -> Self {
206 WorkDirectoryEntry(value)
207 }
208}
209
210#[derive(Debug, Clone)]
211pub struct LocalSnapshot {
212 ignores_by_parent_abs_path: HashMap<Arc<Path>, (Arc<Gitignore>, usize)>,
213 // The ProjectEntryId corresponds to the entry for the .git dir
214 // work_directory_id
215 git_repositories: TreeMap<ProjectEntryId, LocalRepositoryEntry>,
216 removed_entry_ids: HashMap<u64, ProjectEntryId>,
217 next_entry_id: Arc<AtomicUsize>,
218 snapshot: Snapshot,
219}
220
221#[derive(Debug, Clone)]
222pub struct LocalRepositoryEntry {
223 pub(crate) scan_id: usize,
224 pub(crate) full_scan_id: usize,
225 pub(crate) repo_ptr: Arc<Mutex<dyn GitRepository>>,
226 /// Path to the actual .git folder.
227 /// Note: if .git is a file, this points to the folder indicated by the .git file
228 pub(crate) git_dir_path: Arc<Path>,
229}
230
231impl LocalRepositoryEntry {
232 // Note that this path should be relative to the worktree root.
233 pub(crate) fn in_dot_git(&self, path: &Path) -> bool {
234 path.starts_with(self.git_dir_path.as_ref())
235 }
236}
237
238impl Deref for LocalSnapshot {
239 type Target = Snapshot;
240
241 fn deref(&self) -> &Self::Target {
242 &self.snapshot
243 }
244}
245
246impl DerefMut for LocalSnapshot {
247 fn deref_mut(&mut self) -> &mut Self::Target {
248 &mut self.snapshot
249 }
250}
251
252enum ScanState {
253 Started,
254 Updated {
255 snapshot: LocalSnapshot,
256 changes: HashMap<Arc<Path>, PathChange>,
257 barrier: Option<barrier::Sender>,
258 scanning: bool,
259 },
260}
261
262struct ShareState {
263 project_id: u64,
264 snapshots_tx: watch::Sender<LocalSnapshot>,
265 resume_updates: watch::Sender<()>,
266 _maintain_remote_snapshot: Task<Option<()>>,
267}
268
269pub enum Event {
270 UpdatedEntries(HashMap<Arc<Path>, PathChange>),
271 UpdatedGitRepositories(HashMap<Arc<Path>, LocalRepositoryEntry>),
272}
273
274impl Entity for Worktree {
275 type Event = Event;
276}
277
278impl Worktree {
279 pub async fn local(
280 client: Arc<Client>,
281 path: impl Into<Arc<Path>>,
282 visible: bool,
283 fs: Arc<dyn Fs>,
284 next_entry_id: Arc<AtomicUsize>,
285 cx: &mut AsyncAppContext,
286 ) -> Result<ModelHandle<Self>> {
287 // After determining whether the root entry is a file or a directory, populate the
288 // snapshot's "root name", which will be used for the purpose of fuzzy matching.
289 let abs_path = path.into();
290 let metadata = fs
291 .metadata(&abs_path)
292 .await
293 .context("failed to stat worktree path")?;
294
295 Ok(cx.add_model(move |cx: &mut ModelContext<Worktree>| {
296 let root_name = abs_path
297 .file_name()
298 .map_or(String::new(), |f| f.to_string_lossy().to_string());
299
300 let mut snapshot = LocalSnapshot {
301 ignores_by_parent_abs_path: Default::default(),
302 removed_entry_ids: Default::default(),
303 git_repositories: Default::default(),
304 next_entry_id,
305 snapshot: Snapshot {
306 id: WorktreeId::from_usize(cx.model_id()),
307 abs_path: abs_path.clone(),
308 root_name: root_name.clone(),
309 root_char_bag: root_name.chars().map(|c| c.to_ascii_lowercase()).collect(),
310 entries_by_path: Default::default(),
311 entries_by_id: Default::default(),
312 repository_entries: Default::default(),
313 scan_id: 1,
314 completed_scan_id: 0,
315 },
316 };
317
318 if let Some(metadata) = metadata {
319 snapshot.insert_entry(
320 Entry::new(
321 Arc::from(Path::new("")),
322 &metadata,
323 &snapshot.next_entry_id,
324 snapshot.root_char_bag,
325 ),
326 fs.as_ref(),
327 );
328 }
329
330 let (path_changes_tx, path_changes_rx) = channel::unbounded();
331 let (scan_states_tx, mut scan_states_rx) = mpsc::unbounded();
332
333 cx.spawn_weak(|this, mut cx| async move {
334 while let Some((state, this)) = scan_states_rx.next().await.zip(this.upgrade(&cx)) {
335 this.update(&mut cx, |this, cx| {
336 let this = this.as_local_mut().unwrap();
337 match state {
338 ScanState::Started => {
339 *this.is_scanning.0.borrow_mut() = true;
340 }
341 ScanState::Updated {
342 snapshot,
343 changes,
344 barrier,
345 scanning,
346 } => {
347 *this.is_scanning.0.borrow_mut() = scanning;
348 this.set_snapshot(snapshot, cx);
349 cx.emit(Event::UpdatedEntries(changes));
350 drop(barrier);
351 }
352 }
353 cx.notify();
354 });
355 }
356 })
357 .detach();
358
359 let background_scanner_task = cx.background().spawn({
360 let fs = fs.clone();
361 let snapshot = snapshot.clone();
362 let background = cx.background().clone();
363 async move {
364 let events = fs.watch(&abs_path, Duration::from_millis(100)).await;
365 BackgroundScanner::new(
366 snapshot,
367 fs,
368 scan_states_tx,
369 background,
370 path_changes_rx,
371 )
372 .run(events)
373 .await;
374 }
375 });
376
377 Worktree::Local(LocalWorktree {
378 snapshot,
379 is_scanning: watch::channel_with(true),
380 share: None,
381 path_changes_tx,
382 _background_scanner_task: background_scanner_task,
383 diagnostics: Default::default(),
384 diagnostic_summaries: Default::default(),
385 client,
386 fs,
387 visible,
388 })
389 }))
390 }
391
392 pub fn remote(
393 project_remote_id: u64,
394 replica_id: ReplicaId,
395 worktree: proto::WorktreeMetadata,
396 client: Arc<Client>,
397 cx: &mut AppContext,
398 ) -> ModelHandle<Self> {
399 cx.add_model(|cx: &mut ModelContext<Self>| {
400 let snapshot = Snapshot {
401 id: WorktreeId(worktree.id as usize),
402 abs_path: Arc::from(PathBuf::from(worktree.abs_path)),
403 root_name: worktree.root_name.clone(),
404 root_char_bag: worktree
405 .root_name
406 .chars()
407 .map(|c| c.to_ascii_lowercase())
408 .collect(),
409 entries_by_path: Default::default(),
410 entries_by_id: Default::default(),
411 repository_entries: Default::default(),
412 scan_id: 1,
413 completed_scan_id: 0,
414 };
415
416 let (updates_tx, mut updates_rx) = mpsc::unbounded();
417 let background_snapshot = Arc::new(Mutex::new(snapshot.clone()));
418 let (mut snapshot_updated_tx, mut snapshot_updated_rx) = watch::channel();
419
420 cx.background()
421 .spawn({
422 let background_snapshot = background_snapshot.clone();
423 async move {
424 while let Some(update) = updates_rx.next().await {
425 if let Err(error) =
426 background_snapshot.lock().apply_remote_update(update)
427 {
428 log::error!("error applying worktree update: {}", error);
429 }
430 snapshot_updated_tx.send(()).await.ok();
431 }
432 }
433 })
434 .detach();
435
436 cx.spawn_weak(|this, mut cx| async move {
437 while (snapshot_updated_rx.recv().await).is_some() {
438 if let Some(this) = this.upgrade(&cx) {
439 this.update(&mut cx, |this, cx| {
440 let this = this.as_remote_mut().unwrap();
441 this.snapshot = this.background_snapshot.lock().clone();
442 cx.emit(Event::UpdatedEntries(Default::default()));
443 cx.notify();
444 while let Some((scan_id, _)) = this.snapshot_subscriptions.front() {
445 if this.observed_snapshot(*scan_id) {
446 let (_, tx) = this.snapshot_subscriptions.pop_front().unwrap();
447 let _ = tx.send(());
448 } else {
449 break;
450 }
451 }
452 });
453 } else {
454 break;
455 }
456 }
457 })
458 .detach();
459
460 Worktree::Remote(RemoteWorktree {
461 project_id: project_remote_id,
462 replica_id,
463 snapshot: snapshot.clone(),
464 background_snapshot,
465 updates_tx: Some(updates_tx),
466 snapshot_subscriptions: Default::default(),
467 client: client.clone(),
468 diagnostic_summaries: Default::default(),
469 visible: worktree.visible,
470 disconnected: false,
471 })
472 })
473 }
474
475 pub fn as_local(&self) -> Option<&LocalWorktree> {
476 if let Worktree::Local(worktree) = self {
477 Some(worktree)
478 } else {
479 None
480 }
481 }
482
483 pub fn as_remote(&self) -> Option<&RemoteWorktree> {
484 if let Worktree::Remote(worktree) = self {
485 Some(worktree)
486 } else {
487 None
488 }
489 }
490
491 pub fn as_local_mut(&mut self) -> Option<&mut LocalWorktree> {
492 if let Worktree::Local(worktree) = self {
493 Some(worktree)
494 } else {
495 None
496 }
497 }
498
499 pub fn as_remote_mut(&mut self) -> Option<&mut RemoteWorktree> {
500 if let Worktree::Remote(worktree) = self {
501 Some(worktree)
502 } else {
503 None
504 }
505 }
506
507 pub fn is_local(&self) -> bool {
508 matches!(self, Worktree::Local(_))
509 }
510
511 pub fn is_remote(&self) -> bool {
512 !self.is_local()
513 }
514
515 pub fn snapshot(&self) -> Snapshot {
516 match self {
517 Worktree::Local(worktree) => worktree.snapshot().snapshot,
518 Worktree::Remote(worktree) => worktree.snapshot(),
519 }
520 }
521
522 pub fn scan_id(&self) -> usize {
523 match self {
524 Worktree::Local(worktree) => worktree.snapshot.scan_id,
525 Worktree::Remote(worktree) => worktree.snapshot.scan_id,
526 }
527 }
528
529 pub fn completed_scan_id(&self) -> usize {
530 match self {
531 Worktree::Local(worktree) => worktree.snapshot.completed_scan_id,
532 Worktree::Remote(worktree) => worktree.snapshot.completed_scan_id,
533 }
534 }
535
536 pub fn is_visible(&self) -> bool {
537 match self {
538 Worktree::Local(worktree) => worktree.visible,
539 Worktree::Remote(worktree) => worktree.visible,
540 }
541 }
542
543 pub fn replica_id(&self) -> ReplicaId {
544 match self {
545 Worktree::Local(_) => 0,
546 Worktree::Remote(worktree) => worktree.replica_id,
547 }
548 }
549
550 pub fn diagnostic_summaries(
551 &self,
552 ) -> impl Iterator<Item = (Arc<Path>, LanguageServerId, DiagnosticSummary)> + '_ {
553 match self {
554 Worktree::Local(worktree) => &worktree.diagnostic_summaries,
555 Worktree::Remote(worktree) => &worktree.diagnostic_summaries,
556 }
557 .iter()
558 .flat_map(|(path, summaries)| {
559 summaries
560 .iter()
561 .map(move |(&server_id, &summary)| (path.clone(), server_id, summary))
562 })
563 }
564
565 pub fn abs_path(&self) -> Arc<Path> {
566 match self {
567 Worktree::Local(worktree) => worktree.abs_path.clone(),
568 Worktree::Remote(worktree) => worktree.abs_path.clone(),
569 }
570 }
571}
572
573impl LocalWorktree {
574 pub fn contains_abs_path(&self, path: &Path) -> bool {
575 path.starts_with(&self.abs_path)
576 }
577
578 fn absolutize(&self, path: &Path) -> PathBuf {
579 if path.file_name().is_some() {
580 self.abs_path.join(path)
581 } else {
582 self.abs_path.to_path_buf()
583 }
584 }
585
586 pub(crate) fn load_buffer(
587 &mut self,
588 id: u64,
589 path: &Path,
590 cx: &mut ModelContext<Worktree>,
591 ) -> Task<Result<ModelHandle<Buffer>>> {
592 let path = Arc::from(path);
593 cx.spawn(move |this, mut cx| async move {
594 let (file, contents, diff_base) = this
595 .update(&mut cx, |t, cx| t.as_local().unwrap().load(&path, cx))
596 .await?;
597 let text_buffer = cx
598 .background()
599 .spawn(async move { text::Buffer::new(0, id, contents) })
600 .await;
601 Ok(cx.add_model(|cx| {
602 let mut buffer = Buffer::build(text_buffer, diff_base, Some(Arc::new(file)));
603 buffer.git_diff_recalc(cx);
604 buffer
605 }))
606 })
607 }
608
609 pub fn diagnostics_for_path(
610 &self,
611 path: &Path,
612 ) -> Vec<(
613 LanguageServerId,
614 Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
615 )> {
616 self.diagnostics.get(path).cloned().unwrap_or_default()
617 }
618
619 pub fn update_diagnostics(
620 &mut self,
621 server_id: LanguageServerId,
622 worktree_path: Arc<Path>,
623 diagnostics: Vec<DiagnosticEntry<Unclipped<PointUtf16>>>,
624 _: &mut ModelContext<Worktree>,
625 ) -> Result<bool> {
626 let summaries_by_server_id = self
627 .diagnostic_summaries
628 .entry(worktree_path.clone())
629 .or_default();
630
631 let old_summary = summaries_by_server_id
632 .remove(&server_id)
633 .unwrap_or_default();
634
635 let new_summary = DiagnosticSummary::new(&diagnostics);
636 if new_summary.is_empty() {
637 if let Some(diagnostics_by_server_id) = self.diagnostics.get_mut(&worktree_path) {
638 if let Ok(ix) = diagnostics_by_server_id.binary_search_by_key(&server_id, |e| e.0) {
639 diagnostics_by_server_id.remove(ix);
640 }
641 if diagnostics_by_server_id.is_empty() {
642 self.diagnostics.remove(&worktree_path);
643 }
644 }
645 } else {
646 summaries_by_server_id.insert(server_id, new_summary);
647 let diagnostics_by_server_id =
648 self.diagnostics.entry(worktree_path.clone()).or_default();
649 match diagnostics_by_server_id.binary_search_by_key(&server_id, |e| e.0) {
650 Ok(ix) => {
651 diagnostics_by_server_id[ix] = (server_id, diagnostics);
652 }
653 Err(ix) => {
654 diagnostics_by_server_id.insert(ix, (server_id, diagnostics));
655 }
656 }
657 }
658
659 if !old_summary.is_empty() || !new_summary.is_empty() {
660 if let Some(share) = self.share.as_ref() {
661 self.client
662 .send(proto::UpdateDiagnosticSummary {
663 project_id: share.project_id,
664 worktree_id: self.id().to_proto(),
665 summary: Some(proto::DiagnosticSummary {
666 path: worktree_path.to_string_lossy().to_string(),
667 language_server_id: server_id.0 as u64,
668 error_count: new_summary.error_count as u32,
669 warning_count: new_summary.warning_count as u32,
670 }),
671 })
672 .log_err();
673 }
674 }
675
676 Ok(!old_summary.is_empty() || !new_summary.is_empty())
677 }
678
679 fn set_snapshot(&mut self, new_snapshot: LocalSnapshot, cx: &mut ModelContext<Worktree>) {
680 let updated_repos =
681 self.changed_repos(&self.git_repositories, &new_snapshot.git_repositories);
682 self.snapshot = new_snapshot;
683
684 if let Some(share) = self.share.as_mut() {
685 *share.snapshots_tx.borrow_mut() = self.snapshot.clone();
686 }
687
688 if !updated_repos.is_empty() {
689 cx.emit(Event::UpdatedGitRepositories(updated_repos));
690 }
691 }
692
693 fn changed_repos(
694 &self,
695 old_repos: &TreeMap<ProjectEntryId, LocalRepositoryEntry>,
696 new_repos: &TreeMap<ProjectEntryId, LocalRepositoryEntry>,
697 ) -> HashMap<Arc<Path>, LocalRepositoryEntry> {
698 let mut diff = HashMap::default();
699 let mut old_repos = old_repos.iter().peekable();
700 let mut new_repos = new_repos.iter().peekable();
701 loop {
702 match (old_repos.peek(), new_repos.peek()) {
703 (Some((old_entry_id, old_repo)), Some((new_entry_id, new_repo))) => {
704 match Ord::cmp(old_entry_id, new_entry_id) {
705 Ordering::Less => {
706 if let Some(entry) = self.entry_for_id(**old_entry_id) {
707 diff.insert(entry.path.clone(), (*old_repo).clone());
708 }
709 old_repos.next();
710 }
711 Ordering::Equal => {
712 if old_repo.scan_id != new_repo.scan_id {
713 if let Some(entry) = self.entry_for_id(**new_entry_id) {
714 diff.insert(entry.path.clone(), (*new_repo).clone());
715 }
716 }
717
718 old_repos.next();
719 new_repos.next();
720 }
721 Ordering::Greater => {
722 if let Some(entry) = self.entry_for_id(**new_entry_id) {
723 diff.insert(entry.path.clone(), (*new_repo).clone());
724 }
725 new_repos.next();
726 }
727 }
728 }
729 (Some((old_entry_id, old_repo)), None) => {
730 if let Some(entry) = self.entry_for_id(**old_entry_id) {
731 diff.insert(entry.path.clone(), (*old_repo).clone());
732 }
733 old_repos.next();
734 }
735 (None, Some((new_entry_id, new_repo))) => {
736 if let Some(entry) = self.entry_for_id(**new_entry_id) {
737 diff.insert(entry.path.clone(), (*new_repo).clone());
738 }
739 new_repos.next();
740 }
741 (None, None) => break,
742 }
743 }
744 diff
745 }
746
747 pub fn scan_complete(&self) -> impl Future<Output = ()> {
748 let mut is_scanning_rx = self.is_scanning.1.clone();
749 async move {
750 let mut is_scanning = is_scanning_rx.borrow().clone();
751 while is_scanning {
752 if let Some(value) = is_scanning_rx.recv().await {
753 is_scanning = value;
754 } else {
755 break;
756 }
757 }
758 }
759 }
760
761 pub fn snapshot(&self) -> LocalSnapshot {
762 self.snapshot.clone()
763 }
764
765 pub fn metadata_proto(&self) -> proto::WorktreeMetadata {
766 proto::WorktreeMetadata {
767 id: self.id().to_proto(),
768 root_name: self.root_name().to_string(),
769 visible: self.visible,
770 abs_path: self.abs_path().as_os_str().to_string_lossy().into(),
771 }
772 }
773
774 fn load(
775 &self,
776 path: &Path,
777 cx: &mut ModelContext<Worktree>,
778 ) -> Task<Result<(File, String, Option<String>)>> {
779 let handle = cx.handle();
780 let path = Arc::from(path);
781 let abs_path = self.absolutize(&path);
782 let fs = self.fs.clone();
783 let snapshot = self.snapshot();
784
785 let mut index_task = None;
786
787 if let Some(repo) = snapshot.repo_for(&path) {
788 let repo_path = repo.work_directory.relativize(self, &path).unwrap();
789 if let Some(repo) = self.git_repositories.get(&*repo.work_directory) {
790 let repo = repo.repo_ptr.to_owned();
791 index_task = Some(
792 cx.background()
793 .spawn(async move { repo.lock().load_index_text(&repo_path) }),
794 );
795 }
796 }
797
798 cx.spawn(|this, mut cx| async move {
799 let text = fs.load(&abs_path).await?;
800
801 let diff_base = if let Some(index_task) = index_task {
802 index_task.await
803 } else {
804 None
805 };
806
807 // Eagerly populate the snapshot with an updated entry for the loaded file
808 let entry = this
809 .update(&mut cx, |this, cx| {
810 this.as_local().unwrap().refresh_entry(path, None, cx)
811 })
812 .await?;
813
814 Ok((
815 File {
816 entry_id: entry.id,
817 worktree: handle,
818 path: entry.path,
819 mtime: entry.mtime,
820 is_local: true,
821 is_deleted: false,
822 },
823 text,
824 diff_base,
825 ))
826 })
827 }
828
829 pub fn save_buffer(
830 &self,
831 buffer_handle: ModelHandle<Buffer>,
832 path: Arc<Path>,
833 has_changed_file: bool,
834 cx: &mut ModelContext<Worktree>,
835 ) -> Task<Result<(clock::Global, RopeFingerprint, SystemTime)>> {
836 let handle = cx.handle();
837 let buffer = buffer_handle.read(cx);
838
839 let rpc = self.client.clone();
840 let buffer_id = buffer.remote_id();
841 let project_id = self.share.as_ref().map(|share| share.project_id);
842
843 let text = buffer.as_rope().clone();
844 let fingerprint = text.fingerprint();
845 let version = buffer.version();
846 let save = self.write_file(path, text, buffer.line_ending(), cx);
847
848 cx.as_mut().spawn(|mut cx| async move {
849 let entry = save.await?;
850
851 if has_changed_file {
852 let new_file = Arc::new(File {
853 entry_id: entry.id,
854 worktree: handle,
855 path: entry.path,
856 mtime: entry.mtime,
857 is_local: true,
858 is_deleted: false,
859 });
860
861 if let Some(project_id) = project_id {
862 rpc.send(proto::UpdateBufferFile {
863 project_id,
864 buffer_id,
865 file: Some(new_file.to_proto()),
866 })
867 .log_err();
868 }
869
870 buffer_handle.update(&mut cx, |buffer, cx| {
871 if has_changed_file {
872 buffer.file_updated(new_file, cx).detach();
873 }
874 });
875 }
876
877 if let Some(project_id) = project_id {
878 rpc.send(proto::BufferSaved {
879 project_id,
880 buffer_id,
881 version: serialize_version(&version),
882 mtime: Some(entry.mtime.into()),
883 fingerprint: serialize_fingerprint(fingerprint),
884 })?;
885 }
886
887 buffer_handle.update(&mut cx, |buffer, cx| {
888 buffer.did_save(version.clone(), fingerprint, entry.mtime, cx);
889 });
890
891 Ok((version, fingerprint, entry.mtime))
892 })
893 }
894
895 pub fn create_entry(
896 &self,
897 path: impl Into<Arc<Path>>,
898 is_dir: bool,
899 cx: &mut ModelContext<Worktree>,
900 ) -> Task<Result<Entry>> {
901 let path = path.into();
902 let abs_path = self.absolutize(&path);
903 let fs = self.fs.clone();
904 let write = cx.background().spawn(async move {
905 if is_dir {
906 fs.create_dir(&abs_path).await
907 } else {
908 fs.save(&abs_path, &Default::default(), Default::default())
909 .await
910 }
911 });
912
913 cx.spawn(|this, mut cx| async move {
914 write.await?;
915 this.update(&mut cx, |this, cx| {
916 this.as_local_mut().unwrap().refresh_entry(path, None, cx)
917 })
918 .await
919 })
920 }
921
922 pub fn write_file(
923 &self,
924 path: impl Into<Arc<Path>>,
925 text: Rope,
926 line_ending: LineEnding,
927 cx: &mut ModelContext<Worktree>,
928 ) -> Task<Result<Entry>> {
929 let path = path.into();
930 let abs_path = self.absolutize(&path);
931 let fs = self.fs.clone();
932 let write = cx
933 .background()
934 .spawn(async move { fs.save(&abs_path, &text, line_ending).await });
935
936 cx.spawn(|this, mut cx| async move {
937 write.await?;
938 this.update(&mut cx, |this, cx| {
939 this.as_local_mut().unwrap().refresh_entry(path, None, cx)
940 })
941 .await
942 })
943 }
944
945 pub fn delete_entry(
946 &self,
947 entry_id: ProjectEntryId,
948 cx: &mut ModelContext<Worktree>,
949 ) -> Option<Task<Result<()>>> {
950 let entry = self.entry_for_id(entry_id)?.clone();
951 let abs_path = self.abs_path.clone();
952 let fs = self.fs.clone();
953
954 let delete = cx.background().spawn(async move {
955 let mut abs_path = fs.canonicalize(&abs_path).await?;
956 if entry.path.file_name().is_some() {
957 abs_path = abs_path.join(&entry.path);
958 }
959 if entry.is_file() {
960 fs.remove_file(&abs_path, Default::default()).await?;
961 } else {
962 fs.remove_dir(
963 &abs_path,
964 RemoveOptions {
965 recursive: true,
966 ignore_if_not_exists: false,
967 },
968 )
969 .await?;
970 }
971 anyhow::Ok(abs_path)
972 });
973
974 Some(cx.spawn(|this, mut cx| async move {
975 let abs_path = delete.await?;
976 let (tx, mut rx) = barrier::channel();
977 this.update(&mut cx, |this, _| {
978 this.as_local_mut()
979 .unwrap()
980 .path_changes_tx
981 .try_send((vec![abs_path], tx))
982 })?;
983 rx.recv().await;
984 Ok(())
985 }))
986 }
987
988 pub fn rename_entry(
989 &self,
990 entry_id: ProjectEntryId,
991 new_path: impl Into<Arc<Path>>,
992 cx: &mut ModelContext<Worktree>,
993 ) -> Option<Task<Result<Entry>>> {
994 let old_path = self.entry_for_id(entry_id)?.path.clone();
995 let new_path = new_path.into();
996 let abs_old_path = self.absolutize(&old_path);
997 let abs_new_path = self.absolutize(&new_path);
998 let fs = self.fs.clone();
999 let rename = cx.background().spawn(async move {
1000 fs.rename(&abs_old_path, &abs_new_path, Default::default())
1001 .await
1002 });
1003
1004 Some(cx.spawn(|this, mut cx| async move {
1005 rename.await?;
1006 this.update(&mut cx, |this, cx| {
1007 this.as_local_mut()
1008 .unwrap()
1009 .refresh_entry(new_path.clone(), Some(old_path), cx)
1010 })
1011 .await
1012 }))
1013 }
1014
1015 pub fn copy_entry(
1016 &self,
1017 entry_id: ProjectEntryId,
1018 new_path: impl Into<Arc<Path>>,
1019 cx: &mut ModelContext<Worktree>,
1020 ) -> Option<Task<Result<Entry>>> {
1021 let old_path = self.entry_for_id(entry_id)?.path.clone();
1022 let new_path = new_path.into();
1023 let abs_old_path = self.absolutize(&old_path);
1024 let abs_new_path = self.absolutize(&new_path);
1025 let fs = self.fs.clone();
1026 let copy = cx.background().spawn(async move {
1027 copy_recursive(
1028 fs.as_ref(),
1029 &abs_old_path,
1030 &abs_new_path,
1031 Default::default(),
1032 )
1033 .await
1034 });
1035
1036 Some(cx.spawn(|this, mut cx| async move {
1037 copy.await?;
1038 this.update(&mut cx, |this, cx| {
1039 this.as_local_mut()
1040 .unwrap()
1041 .refresh_entry(new_path.clone(), None, cx)
1042 })
1043 .await
1044 }))
1045 }
1046
1047 fn refresh_entry(
1048 &self,
1049 path: Arc<Path>,
1050 old_path: Option<Arc<Path>>,
1051 cx: &mut ModelContext<Worktree>,
1052 ) -> Task<Result<Entry>> {
1053 let fs = self.fs.clone();
1054 let abs_root_path = self.abs_path.clone();
1055 let path_changes_tx = self.path_changes_tx.clone();
1056 cx.spawn_weak(move |this, mut cx| async move {
1057 let abs_path = fs.canonicalize(&abs_root_path).await?;
1058 let mut paths = Vec::with_capacity(2);
1059 paths.push(if path.file_name().is_some() {
1060 abs_path.join(&path)
1061 } else {
1062 abs_path.clone()
1063 });
1064 if let Some(old_path) = old_path {
1065 paths.push(if old_path.file_name().is_some() {
1066 abs_path.join(&old_path)
1067 } else {
1068 abs_path.clone()
1069 });
1070 }
1071
1072 let (tx, mut rx) = barrier::channel();
1073 path_changes_tx.try_send((paths, tx))?;
1074 rx.recv().await;
1075 this.upgrade(&cx)
1076 .ok_or_else(|| anyhow!("worktree was dropped"))?
1077 .update(&mut cx, |this, _| {
1078 this.entry_for_path(path)
1079 .cloned()
1080 .ok_or_else(|| anyhow!("failed to read path after update"))
1081 })
1082 })
1083 }
1084
1085 pub fn share(&mut self, project_id: u64, cx: &mut ModelContext<Worktree>) -> Task<Result<()>> {
1086 let (share_tx, share_rx) = oneshot::channel();
1087
1088 if let Some(share) = self.share.as_mut() {
1089 let _ = share_tx.send(());
1090 *share.resume_updates.borrow_mut() = ();
1091 } else {
1092 let (snapshots_tx, mut snapshots_rx) = watch::channel_with(self.snapshot());
1093 let (resume_updates_tx, mut resume_updates_rx) = watch::channel();
1094 let worktree_id = cx.model_id() as u64;
1095
1096 for (path, summaries) in &self.diagnostic_summaries {
1097 for (&server_id, summary) in summaries {
1098 if let Err(e) = self.client.send(proto::UpdateDiagnosticSummary {
1099 project_id,
1100 worktree_id,
1101 summary: Some(summary.to_proto(server_id, &path)),
1102 }) {
1103 return Task::ready(Err(e));
1104 }
1105 }
1106 }
1107
1108 let _maintain_remote_snapshot = cx.background().spawn({
1109 let client = self.client.clone();
1110 async move {
1111 let mut share_tx = Some(share_tx);
1112 let mut prev_snapshot = LocalSnapshot {
1113 ignores_by_parent_abs_path: Default::default(),
1114 removed_entry_ids: Default::default(),
1115 next_entry_id: Default::default(),
1116 git_repositories: Default::default(),
1117 snapshot: Snapshot {
1118 id: WorktreeId(worktree_id as usize),
1119 abs_path: Path::new("").into(),
1120 root_name: Default::default(),
1121 root_char_bag: Default::default(),
1122 entries_by_path: Default::default(),
1123 entries_by_id: Default::default(),
1124 repository_entries: Default::default(),
1125 scan_id: 0,
1126 completed_scan_id: 0,
1127 },
1128 };
1129 while let Some(snapshot) = snapshots_rx.recv().await {
1130 #[cfg(any(test, feature = "test-support"))]
1131 const MAX_CHUNK_SIZE: usize = 2;
1132 #[cfg(not(any(test, feature = "test-support")))]
1133 const MAX_CHUNK_SIZE: usize = 256;
1134
1135 let update =
1136 snapshot.build_update(&prev_snapshot, project_id, worktree_id, true);
1137 for update in proto::split_worktree_update(update, MAX_CHUNK_SIZE) {
1138 let _ = resume_updates_rx.try_recv();
1139 while let Err(error) = client.request(update.clone()).await {
1140 log::error!("failed to send worktree update: {}", error);
1141 log::info!("waiting to resume updates");
1142 if resume_updates_rx.next().await.is_none() {
1143 return Ok(());
1144 }
1145 }
1146 }
1147
1148 if let Some(share_tx) = share_tx.take() {
1149 let _ = share_tx.send(());
1150 }
1151
1152 prev_snapshot = snapshot;
1153 }
1154
1155 Ok::<_, anyhow::Error>(())
1156 }
1157 .log_err()
1158 });
1159
1160 self.share = Some(ShareState {
1161 project_id,
1162 snapshots_tx,
1163 resume_updates: resume_updates_tx,
1164 _maintain_remote_snapshot,
1165 });
1166 }
1167
1168 cx.foreground()
1169 .spawn(async move { share_rx.await.map_err(|_| anyhow!("share ended")) })
1170 }
1171
1172 pub fn unshare(&mut self) {
1173 self.share.take();
1174 }
1175
1176 pub fn is_shared(&self) -> bool {
1177 self.share.is_some()
1178 }
1179}
1180
1181impl RemoteWorktree {
1182 fn snapshot(&self) -> Snapshot {
1183 self.snapshot.clone()
1184 }
1185
1186 pub fn disconnected_from_host(&mut self) {
1187 self.updates_tx.take();
1188 self.snapshot_subscriptions.clear();
1189 self.disconnected = true;
1190 }
1191
1192 pub fn save_buffer(
1193 &self,
1194 buffer_handle: ModelHandle<Buffer>,
1195 cx: &mut ModelContext<Worktree>,
1196 ) -> Task<Result<(clock::Global, RopeFingerprint, SystemTime)>> {
1197 let buffer = buffer_handle.read(cx);
1198 let buffer_id = buffer.remote_id();
1199 let version = buffer.version();
1200 let rpc = self.client.clone();
1201 let project_id = self.project_id;
1202 cx.as_mut().spawn(|mut cx| async move {
1203 let response = rpc
1204 .request(proto::SaveBuffer {
1205 project_id,
1206 buffer_id,
1207 version: serialize_version(&version),
1208 })
1209 .await?;
1210 let version = deserialize_version(&response.version);
1211 let fingerprint = deserialize_fingerprint(&response.fingerprint)?;
1212 let mtime = response
1213 .mtime
1214 .ok_or_else(|| anyhow!("missing mtime"))?
1215 .into();
1216
1217 buffer_handle.update(&mut cx, |buffer, cx| {
1218 buffer.did_save(version.clone(), fingerprint, mtime, cx);
1219 });
1220
1221 Ok((version, fingerprint, mtime))
1222 })
1223 }
1224
1225 pub fn update_from_remote(&mut self, update: proto::UpdateWorktree) {
1226 if let Some(updates_tx) = &self.updates_tx {
1227 updates_tx
1228 .unbounded_send(update)
1229 .expect("consumer runs to completion");
1230 }
1231 }
1232
1233 fn observed_snapshot(&self, scan_id: usize) -> bool {
1234 self.completed_scan_id >= scan_id
1235 }
1236
1237 fn wait_for_snapshot(&mut self, scan_id: usize) -> impl Future<Output = Result<()>> {
1238 let (tx, rx) = oneshot::channel();
1239 if self.observed_snapshot(scan_id) {
1240 let _ = tx.send(());
1241 } else if self.disconnected {
1242 drop(tx);
1243 } else {
1244 match self
1245 .snapshot_subscriptions
1246 .binary_search_by_key(&scan_id, |probe| probe.0)
1247 {
1248 Ok(ix) | Err(ix) => self.snapshot_subscriptions.insert(ix, (scan_id, tx)),
1249 }
1250 }
1251
1252 async move {
1253 rx.await?;
1254 Ok(())
1255 }
1256 }
1257
1258 pub fn update_diagnostic_summary(
1259 &mut self,
1260 path: Arc<Path>,
1261 summary: &proto::DiagnosticSummary,
1262 ) {
1263 let server_id = LanguageServerId(summary.language_server_id as usize);
1264 let summary = DiagnosticSummary {
1265 error_count: summary.error_count as usize,
1266 warning_count: summary.warning_count as usize,
1267 };
1268
1269 if summary.is_empty() {
1270 if let Some(summaries) = self.diagnostic_summaries.get_mut(&path) {
1271 summaries.remove(&server_id);
1272 if summaries.is_empty() {
1273 self.diagnostic_summaries.remove(&path);
1274 }
1275 }
1276 } else {
1277 self.diagnostic_summaries
1278 .entry(path)
1279 .or_default()
1280 .insert(server_id, summary);
1281 }
1282 }
1283
1284 pub fn insert_entry(
1285 &mut self,
1286 entry: proto::Entry,
1287 scan_id: usize,
1288 cx: &mut ModelContext<Worktree>,
1289 ) -> Task<Result<Entry>> {
1290 let wait_for_snapshot = self.wait_for_snapshot(scan_id);
1291 cx.spawn(|this, mut cx| async move {
1292 wait_for_snapshot.await?;
1293 this.update(&mut cx, |worktree, _| {
1294 let worktree = worktree.as_remote_mut().unwrap();
1295 let mut snapshot = worktree.background_snapshot.lock();
1296 let entry = snapshot.insert_entry(entry);
1297 worktree.snapshot = snapshot.clone();
1298 entry
1299 })
1300 })
1301 }
1302
1303 pub(crate) fn delete_entry(
1304 &mut self,
1305 id: ProjectEntryId,
1306 scan_id: usize,
1307 cx: &mut ModelContext<Worktree>,
1308 ) -> Task<Result<()>> {
1309 let wait_for_snapshot = self.wait_for_snapshot(scan_id);
1310 cx.spawn(|this, mut cx| async move {
1311 wait_for_snapshot.await?;
1312 this.update(&mut cx, |worktree, _| {
1313 let worktree = worktree.as_remote_mut().unwrap();
1314 let mut snapshot = worktree.background_snapshot.lock();
1315 snapshot.delete_entry(id);
1316 worktree.snapshot = snapshot.clone();
1317 });
1318 Ok(())
1319 })
1320 }
1321}
1322
1323impl Snapshot {
1324 pub fn id(&self) -> WorktreeId {
1325 self.id
1326 }
1327
1328 pub fn abs_path(&self) -> &Arc<Path> {
1329 &self.abs_path
1330 }
1331
1332 pub fn contains_entry(&self, entry_id: ProjectEntryId) -> bool {
1333 self.entries_by_id.get(&entry_id, &()).is_some()
1334 }
1335
1336 pub(crate) fn insert_entry(&mut self, entry: proto::Entry) -> Result<Entry> {
1337 let entry = Entry::try_from((&self.root_char_bag, entry))?;
1338 let old_entry = self.entries_by_id.insert_or_replace(
1339 PathEntry {
1340 id: entry.id,
1341 path: entry.path.clone(),
1342 is_ignored: entry.is_ignored,
1343 scan_id: 0,
1344 },
1345 &(),
1346 );
1347 if let Some(old_entry) = old_entry {
1348 self.entries_by_path.remove(&PathKey(old_entry.path), &());
1349 }
1350 self.entries_by_path.insert_or_replace(entry.clone(), &());
1351 Ok(entry)
1352 }
1353
1354 fn delete_entry(&mut self, entry_id: ProjectEntryId) -> Option<Arc<Path>> {
1355 let removed_entry = self.entries_by_id.remove(&entry_id, &())?;
1356 self.entries_by_path = {
1357 let mut cursor = self.entries_by_path.cursor();
1358 let mut new_entries_by_path =
1359 cursor.slice(&TraversalTarget::Path(&removed_entry.path), Bias::Left, &());
1360 while let Some(entry) = cursor.item() {
1361 if entry.path.starts_with(&removed_entry.path) {
1362 self.entries_by_id.remove(&entry.id, &());
1363 cursor.next(&());
1364 } else {
1365 break;
1366 }
1367 }
1368 new_entries_by_path.push_tree(cursor.suffix(&()), &());
1369 new_entries_by_path
1370 };
1371
1372 Some(removed_entry.path)
1373 }
1374
1375 pub(crate) fn apply_remote_update(&mut self, mut update: proto::UpdateWorktree) -> Result<()> {
1376 let mut entries_by_path_edits = Vec::new();
1377 let mut entries_by_id_edits = Vec::new();
1378 for entry_id in update.removed_entries {
1379 if let Some(entry) = self.entry_for_id(ProjectEntryId::from_proto(entry_id)) {
1380 entries_by_path_edits.push(Edit::Remove(PathKey(entry.path.clone())));
1381 entries_by_id_edits.push(Edit::Remove(entry.id));
1382 }
1383 }
1384
1385 for entry in update.updated_entries {
1386 let entry = Entry::try_from((&self.root_char_bag, entry))?;
1387 if let Some(PathEntry { path, .. }) = self.entries_by_id.get(&entry.id, &()) {
1388 entries_by_path_edits.push(Edit::Remove(PathKey(path.clone())));
1389 }
1390 entries_by_id_edits.push(Edit::Insert(PathEntry {
1391 id: entry.id,
1392 path: entry.path.clone(),
1393 is_ignored: entry.is_ignored,
1394 scan_id: 0,
1395 }));
1396 entries_by_path_edits.push(Edit::Insert(entry));
1397 }
1398
1399 self.entries_by_path.edit(entries_by_path_edits, &());
1400 self.entries_by_id.edit(entries_by_id_edits, &());
1401
1402 update.removed_repositories.sort_unstable();
1403 self.repository_entries.retain(|_, entry| {
1404 if let Ok(_) = update
1405 .removed_repositories
1406 .binary_search(&entry.work_directory.to_proto())
1407 {
1408 false
1409 } else {
1410 true
1411 }
1412 });
1413
1414 for repository in update.updated_repositories {
1415 let repository = RepositoryEntry {
1416 work_directory: ProjectEntryId::from_proto(repository.work_directory_id).into(),
1417 branch: repository.branch.map(Into::into),
1418 // TODO: status
1419 statuses: Default::default(),
1420 };
1421 if let Some(entry) = self.entry_for_id(repository.work_directory_id()) {
1422 self.repository_entries
1423 .insert(RepositoryWorkDirectory(entry.path.clone()), repository)
1424 } else {
1425 log::error!("no work directory entry for repository {:?}", repository)
1426 }
1427 }
1428
1429 self.scan_id = update.scan_id as usize;
1430 if update.is_last_update {
1431 self.completed_scan_id = update.scan_id as usize;
1432 }
1433
1434 Ok(())
1435 }
1436
1437 pub fn file_count(&self) -> usize {
1438 self.entries_by_path.summary().file_count
1439 }
1440
1441 pub fn visible_file_count(&self) -> usize {
1442 self.entries_by_path.summary().visible_file_count
1443 }
1444
1445 fn traverse_from_offset(
1446 &self,
1447 include_dirs: bool,
1448 include_ignored: bool,
1449 start_offset: usize,
1450 ) -> Traversal {
1451 let mut cursor = self.entries_by_path.cursor();
1452 cursor.seek(
1453 &TraversalTarget::Count {
1454 count: start_offset,
1455 include_dirs,
1456 include_ignored,
1457 },
1458 Bias::Right,
1459 &(),
1460 );
1461 Traversal {
1462 cursor,
1463 include_dirs,
1464 include_ignored,
1465 }
1466 }
1467
1468 fn traverse_from_path(
1469 &self,
1470 include_dirs: bool,
1471 include_ignored: bool,
1472 path: &Path,
1473 ) -> Traversal {
1474 let mut cursor = self.entries_by_path.cursor();
1475 cursor.seek(&TraversalTarget::Path(path), Bias::Left, &());
1476 Traversal {
1477 cursor,
1478 include_dirs,
1479 include_ignored,
1480 }
1481 }
1482
1483 pub fn files(&self, include_ignored: bool, start: usize) -> Traversal {
1484 self.traverse_from_offset(false, include_ignored, start)
1485 }
1486
1487 pub fn entries(&self, include_ignored: bool) -> Traversal {
1488 self.traverse_from_offset(true, include_ignored, 0)
1489 }
1490
1491 pub fn repositories(&self) -> impl Iterator<Item = &RepositoryEntry> {
1492 self.repository_entries.values()
1493 }
1494
1495 pub fn paths(&self) -> impl Iterator<Item = &Arc<Path>> {
1496 let empty_path = Path::new("");
1497 self.entries_by_path
1498 .cursor::<()>()
1499 .filter(move |entry| entry.path.as_ref() != empty_path)
1500 .map(|entry| &entry.path)
1501 }
1502
1503 fn child_entries<'a>(&'a self, parent_path: &'a Path) -> ChildEntriesIter<'a> {
1504 let mut cursor = self.entries_by_path.cursor();
1505 cursor.seek(&TraversalTarget::Path(parent_path), Bias::Right, &());
1506 let traversal = Traversal {
1507 cursor,
1508 include_dirs: true,
1509 include_ignored: true,
1510 };
1511 ChildEntriesIter {
1512 traversal,
1513 parent_path,
1514 }
1515 }
1516
1517 pub fn root_entry(&self) -> Option<&Entry> {
1518 self.entry_for_path("")
1519 }
1520
1521 pub fn root_name(&self) -> &str {
1522 &self.root_name
1523 }
1524
1525 pub fn root_git_entry(&self) -> Option<RepositoryEntry> {
1526 self.repository_entries
1527 .get(&RepositoryWorkDirectory(Path::new("").into()))
1528 .map(|entry| entry.to_owned())
1529 }
1530
1531 pub fn git_entries(&self) -> impl Iterator<Item = &RepositoryEntry> {
1532 self.repository_entries.values()
1533 }
1534
1535 pub fn scan_id(&self) -> usize {
1536 self.scan_id
1537 }
1538
1539 pub fn entry_for_path(&self, path: impl AsRef<Path>) -> Option<&Entry> {
1540 let path = path.as_ref();
1541 self.traverse_from_path(true, true, path)
1542 .entry()
1543 .and_then(|entry| {
1544 if entry.path.as_ref() == path {
1545 Some(entry)
1546 } else {
1547 None
1548 }
1549 })
1550 }
1551
1552 pub fn entry_for_id(&self, id: ProjectEntryId) -> Option<&Entry> {
1553 let entry = self.entries_by_id.get(&id, &())?;
1554 self.entry_for_path(&entry.path)
1555 }
1556
1557 pub fn inode_for_path(&self, path: impl AsRef<Path>) -> Option<u64> {
1558 self.entry_for_path(path.as_ref()).map(|e| e.inode)
1559 }
1560}
1561
1562impl LocalSnapshot {
1563 pub(crate) fn repo_for(&self, path: &Path) -> Option<RepositoryEntry> {
1564 let mut max_len = 0;
1565 let mut current_candidate = None;
1566 for (work_directory, repo) in (&self.repository_entries).iter() {
1567 if repo.contains(self, path) {
1568 if work_directory.0.as_os_str().len() >= max_len {
1569 current_candidate = Some(repo);
1570 max_len = work_directory.0.as_os_str().len();
1571 } else {
1572 break;
1573 }
1574 }
1575 }
1576
1577 current_candidate.map(|entry| entry.to_owned())
1578 }
1579
1580 pub(crate) fn get_local_repo(&self, repo: &RepositoryEntry) -> Option<&LocalRepositoryEntry> {
1581 self.git_repositories.get(&repo.work_directory.0)
1582 }
1583
1584 pub(crate) fn repo_for_metadata(
1585 &self,
1586 path: &Path,
1587 ) -> Option<(ProjectEntryId, Arc<Mutex<dyn GitRepository>>)> {
1588 let (entry_id, local_repo) = self
1589 .git_repositories
1590 .iter()
1591 .find(|(_, repo)| repo.in_dot_git(path))?;
1592 Some((*entry_id, local_repo.repo_ptr.to_owned()))
1593 }
1594
1595 #[cfg(test)]
1596 pub(crate) fn build_initial_update(&self, project_id: u64) -> proto::UpdateWorktree {
1597 let root_name = self.root_name.clone();
1598 proto::UpdateWorktree {
1599 project_id,
1600 worktree_id: self.id().to_proto(),
1601 abs_path: self.abs_path().to_string_lossy().into(),
1602 root_name,
1603 updated_entries: self.entries_by_path.iter().map(Into::into).collect(),
1604 removed_entries: Default::default(),
1605 scan_id: self.scan_id as u64,
1606 is_last_update: true,
1607 updated_repositories: self.repository_entries.values().map(Into::into).collect(),
1608 removed_repositories: Default::default(),
1609 }
1610 }
1611
1612 pub(crate) fn build_update(
1613 &self,
1614 other: &Self,
1615 project_id: u64,
1616 worktree_id: u64,
1617 include_ignored: bool,
1618 ) -> proto::UpdateWorktree {
1619 let mut updated_entries = Vec::new();
1620 let mut removed_entries = Vec::new();
1621 let mut self_entries = self
1622 .entries_by_id
1623 .cursor::<()>()
1624 .filter(|e| include_ignored || !e.is_ignored)
1625 .peekable();
1626 let mut other_entries = other
1627 .entries_by_id
1628 .cursor::<()>()
1629 .filter(|e| include_ignored || !e.is_ignored)
1630 .peekable();
1631 loop {
1632 match (self_entries.peek(), other_entries.peek()) {
1633 (Some(self_entry), Some(other_entry)) => {
1634 match Ord::cmp(&self_entry.id, &other_entry.id) {
1635 Ordering::Less => {
1636 let entry = self.entry_for_id(self_entry.id).unwrap().into();
1637 updated_entries.push(entry);
1638 self_entries.next();
1639 }
1640 Ordering::Equal => {
1641 if self_entry.scan_id != other_entry.scan_id {
1642 let entry = self.entry_for_id(self_entry.id).unwrap().into();
1643 updated_entries.push(entry);
1644 }
1645
1646 self_entries.next();
1647 other_entries.next();
1648 }
1649 Ordering::Greater => {
1650 removed_entries.push(other_entry.id.to_proto());
1651 other_entries.next();
1652 }
1653 }
1654 }
1655 (Some(self_entry), None) => {
1656 let entry = self.entry_for_id(self_entry.id).unwrap().into();
1657 updated_entries.push(entry);
1658 self_entries.next();
1659 }
1660 (None, Some(other_entry)) => {
1661 removed_entries.push(other_entry.id.to_proto());
1662 other_entries.next();
1663 }
1664 (None, None) => break,
1665 }
1666 }
1667
1668 let mut updated_repositories: Vec<proto::RepositoryEntry> = Vec::new();
1669 let mut removed_repositories = Vec::new();
1670 let mut self_repos = self.snapshot.repository_entries.iter().peekable();
1671 let mut other_repos = other.snapshot.repository_entries.iter().peekable();
1672 loop {
1673 match (self_repos.peek(), other_repos.peek()) {
1674 (Some((self_work_dir, self_repo)), Some((other_work_dir, other_repo))) => {
1675 match Ord::cmp(self_work_dir, other_work_dir) {
1676 Ordering::Less => {
1677 updated_repositories.push((*self_repo).into());
1678 self_repos.next();
1679 }
1680 Ordering::Equal => {
1681 if self_repo != other_repo {
1682 updated_repositories.push((*self_repo).into());
1683 }
1684
1685 self_repos.next();
1686 other_repos.next();
1687 }
1688 Ordering::Greater => {
1689 removed_repositories.push(other_repo.work_directory.to_proto());
1690 other_repos.next();
1691 }
1692 }
1693 }
1694 (Some((_, self_repo)), None) => {
1695 updated_repositories.push((*self_repo).into());
1696 self_repos.next();
1697 }
1698 (None, Some((_, other_repo))) => {
1699 removed_repositories.push(other_repo.work_directory.to_proto());
1700 other_repos.next();
1701 }
1702 (None, None) => break,
1703 }
1704 }
1705
1706 proto::UpdateWorktree {
1707 project_id,
1708 worktree_id,
1709 abs_path: self.abs_path().to_string_lossy().into(),
1710 root_name: self.root_name().to_string(),
1711 updated_entries,
1712 removed_entries,
1713 scan_id: self.scan_id as u64,
1714 is_last_update: self.completed_scan_id == self.scan_id,
1715 updated_repositories,
1716 removed_repositories,
1717 }
1718 }
1719
1720 fn insert_entry(&mut self, mut entry: Entry, fs: &dyn Fs) -> Entry {
1721 if entry.is_file() && entry.path.file_name() == Some(&GITIGNORE) {
1722 let abs_path = self.abs_path.join(&entry.path);
1723 match smol::block_on(build_gitignore(&abs_path, fs)) {
1724 Ok(ignore) => {
1725 self.ignores_by_parent_abs_path.insert(
1726 abs_path.parent().unwrap().into(),
1727 (Arc::new(ignore), self.scan_id),
1728 );
1729 }
1730 Err(error) => {
1731 log::error!(
1732 "error loading .gitignore file {:?} - {:?}",
1733 &entry.path,
1734 error
1735 );
1736 }
1737 }
1738 }
1739
1740 self.reuse_entry_id(&mut entry);
1741
1742 if entry.kind == EntryKind::PendingDir {
1743 if let Some(existing_entry) =
1744 self.entries_by_path.get(&PathKey(entry.path.clone()), &())
1745 {
1746 entry.kind = existing_entry.kind;
1747 }
1748 }
1749
1750 let scan_id = self.scan_id;
1751 let removed = self.entries_by_path.insert_or_replace(entry.clone(), &());
1752 if let Some(removed) = removed {
1753 if removed.id != entry.id {
1754 self.entries_by_id.remove(&removed.id, &());
1755 }
1756 }
1757 self.entries_by_id.insert_or_replace(
1758 PathEntry {
1759 id: entry.id,
1760 path: entry.path.clone(),
1761 is_ignored: entry.is_ignored,
1762 scan_id,
1763 },
1764 &(),
1765 );
1766
1767 entry
1768 }
1769
1770 fn populate_dir(
1771 &mut self,
1772 parent_path: Arc<Path>,
1773 entries: impl IntoIterator<Item = Entry>,
1774 ignore: Option<Arc<Gitignore>>,
1775 fs: &dyn Fs,
1776 ) {
1777 let mut parent_entry = if let Some(parent_entry) =
1778 self.entries_by_path.get(&PathKey(parent_path.clone()), &())
1779 {
1780 parent_entry.clone()
1781 } else {
1782 log::warn!(
1783 "populating a directory {:?} that has been removed",
1784 parent_path
1785 );
1786 return;
1787 };
1788
1789 match parent_entry.kind {
1790 EntryKind::PendingDir => {
1791 parent_entry.kind = EntryKind::Dir;
1792 }
1793 EntryKind::Dir => {}
1794 _ => return,
1795 }
1796
1797 if let Some(ignore) = ignore {
1798 self.ignores_by_parent_abs_path.insert(
1799 self.abs_path.join(&parent_path).into(),
1800 (ignore, self.scan_id),
1801 );
1802 }
1803
1804 if parent_path.file_name() == Some(&DOT_GIT) {
1805 self.build_repo(parent_path, fs);
1806 }
1807
1808 let mut entries_by_path_edits = vec![Edit::Insert(parent_entry)];
1809 let mut entries_by_id_edits = Vec::new();
1810
1811 for mut entry in entries {
1812 self.reuse_entry_id(&mut entry);
1813 entries_by_id_edits.push(Edit::Insert(PathEntry {
1814 id: entry.id,
1815 path: entry.path.clone(),
1816 is_ignored: entry.is_ignored,
1817 scan_id: self.scan_id,
1818 }));
1819 entries_by_path_edits.push(Edit::Insert(entry));
1820 }
1821
1822 self.entries_by_path.edit(entries_by_path_edits, &());
1823 self.entries_by_id.edit(entries_by_id_edits, &());
1824 }
1825
1826 fn build_repo(&mut self, parent_path: Arc<Path>, fs: &dyn Fs) -> Option<()> {
1827 let abs_path = self.abs_path.join(&parent_path);
1828 let work_dir: Arc<Path> = parent_path.parent().unwrap().into();
1829
1830 // Guard against repositories inside the repository metadata
1831 if work_dir
1832 .components()
1833 .find(|component| component.as_os_str() == *DOT_GIT)
1834 .is_some()
1835 {
1836 return None;
1837 };
1838
1839 let work_dir_id = self
1840 .entry_for_path(work_dir.clone())
1841 .map(|entry| entry.id)?;
1842
1843 if self.git_repositories.get(&work_dir_id).is_none() {
1844 let repo = fs.open_repo(abs_path.as_path())?;
1845 let work_directory = RepositoryWorkDirectory(work_dir.clone());
1846 let scan_id = self.scan_id;
1847
1848 let repo_lock = repo.lock();
1849 self.repository_entries.insert(
1850 work_directory,
1851 RepositoryEntry {
1852 work_directory: work_dir_id.into(),
1853 branch: repo_lock.branch_name().map(Into::into),
1854 statuses: repo_lock.statuses().unwrap_or_default(),
1855 },
1856 );
1857 drop(repo_lock);
1858
1859 self.git_repositories.insert(
1860 work_dir_id,
1861 LocalRepositoryEntry {
1862 scan_id,
1863 full_scan_id: scan_id,
1864 repo_ptr: repo,
1865 git_dir_path: parent_path.clone(),
1866 },
1867 )
1868 }
1869
1870 Some(())
1871 }
1872 fn reuse_entry_id(&mut self, entry: &mut Entry) {
1873 if let Some(removed_entry_id) = self.removed_entry_ids.remove(&entry.inode) {
1874 entry.id = removed_entry_id;
1875 } else if let Some(existing_entry) = self.entry_for_path(&entry.path) {
1876 entry.id = existing_entry.id;
1877 }
1878 }
1879
1880 fn remove_path(&mut self, path: &Path) {
1881 let mut new_entries;
1882 let removed_entries;
1883 {
1884 let mut cursor = self.entries_by_path.cursor::<TraversalProgress>();
1885 new_entries = cursor.slice(&TraversalTarget::Path(path), Bias::Left, &());
1886 removed_entries = cursor.slice(&TraversalTarget::PathSuccessor(path), Bias::Left, &());
1887 new_entries.push_tree(cursor.suffix(&()), &());
1888 }
1889 self.entries_by_path = new_entries;
1890
1891 let mut entries_by_id_edits = Vec::new();
1892 for entry in removed_entries.cursor::<()>() {
1893 let removed_entry_id = self
1894 .removed_entry_ids
1895 .entry(entry.inode)
1896 .or_insert(entry.id);
1897 *removed_entry_id = cmp::max(*removed_entry_id, entry.id);
1898 entries_by_id_edits.push(Edit::Remove(entry.id));
1899 }
1900 self.entries_by_id.edit(entries_by_id_edits, &());
1901
1902 if path.file_name() == Some(&GITIGNORE) {
1903 let abs_parent_path = self.abs_path.join(path.parent().unwrap());
1904 if let Some((_, scan_id)) = self
1905 .ignores_by_parent_abs_path
1906 .get_mut(abs_parent_path.as_path())
1907 {
1908 *scan_id = self.snapshot.scan_id;
1909 }
1910 }
1911 }
1912
1913 fn ancestor_inodes_for_path(&self, path: &Path) -> TreeSet<u64> {
1914 let mut inodes = TreeSet::default();
1915 for ancestor in path.ancestors().skip(1) {
1916 if let Some(entry) = self.entry_for_path(ancestor) {
1917 inodes.insert(entry.inode);
1918 }
1919 }
1920 inodes
1921 }
1922
1923 fn ignore_stack_for_abs_path(&self, abs_path: &Path, is_dir: bool) -> Arc<IgnoreStack> {
1924 let mut new_ignores = Vec::new();
1925 for ancestor in abs_path.ancestors().skip(1) {
1926 if let Some((ignore, _)) = self.ignores_by_parent_abs_path.get(ancestor) {
1927 new_ignores.push((ancestor, Some(ignore.clone())));
1928 } else {
1929 new_ignores.push((ancestor, None));
1930 }
1931 }
1932
1933 let mut ignore_stack = IgnoreStack::none();
1934 for (parent_abs_path, ignore) in new_ignores.into_iter().rev() {
1935 if ignore_stack.is_abs_path_ignored(parent_abs_path, true) {
1936 ignore_stack = IgnoreStack::all();
1937 break;
1938 } else if let Some(ignore) = ignore {
1939 ignore_stack = ignore_stack.append(parent_abs_path.into(), ignore);
1940 }
1941 }
1942
1943 if ignore_stack.is_abs_path_ignored(abs_path, is_dir) {
1944 ignore_stack = IgnoreStack::all();
1945 }
1946
1947 ignore_stack
1948 }
1949}
1950
1951async fn build_gitignore(abs_path: &Path, fs: &dyn Fs) -> Result<Gitignore> {
1952 let contents = fs.load(abs_path).await?;
1953 let parent = abs_path.parent().unwrap_or_else(|| Path::new("/"));
1954 let mut builder = GitignoreBuilder::new(parent);
1955 for line in contents.lines() {
1956 builder.add_line(Some(abs_path.into()), line)?;
1957 }
1958 Ok(builder.build()?)
1959}
1960
1961impl WorktreeId {
1962 pub fn from_usize(handle_id: usize) -> Self {
1963 Self(handle_id)
1964 }
1965
1966 pub(crate) fn from_proto(id: u64) -> Self {
1967 Self(id as usize)
1968 }
1969
1970 pub fn to_proto(&self) -> u64 {
1971 self.0 as u64
1972 }
1973
1974 pub fn to_usize(&self) -> usize {
1975 self.0
1976 }
1977}
1978
1979impl fmt::Display for WorktreeId {
1980 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1981 self.0.fmt(f)
1982 }
1983}
1984
1985impl Deref for Worktree {
1986 type Target = Snapshot;
1987
1988 fn deref(&self) -> &Self::Target {
1989 match self {
1990 Worktree::Local(worktree) => &worktree.snapshot,
1991 Worktree::Remote(worktree) => &worktree.snapshot,
1992 }
1993 }
1994}
1995
1996impl Deref for LocalWorktree {
1997 type Target = LocalSnapshot;
1998
1999 fn deref(&self) -> &Self::Target {
2000 &self.snapshot
2001 }
2002}
2003
2004impl Deref for RemoteWorktree {
2005 type Target = Snapshot;
2006
2007 fn deref(&self) -> &Self::Target {
2008 &self.snapshot
2009 }
2010}
2011
2012impl fmt::Debug for LocalWorktree {
2013 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
2014 self.snapshot.fmt(f)
2015 }
2016}
2017
2018impl fmt::Debug for Snapshot {
2019 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
2020 struct EntriesById<'a>(&'a SumTree<PathEntry>);
2021 struct EntriesByPath<'a>(&'a SumTree<Entry>);
2022
2023 impl<'a> fmt::Debug for EntriesByPath<'a> {
2024 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
2025 f.debug_map()
2026 .entries(self.0.iter().map(|entry| (&entry.path, entry.id)))
2027 .finish()
2028 }
2029 }
2030
2031 impl<'a> fmt::Debug for EntriesById<'a> {
2032 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
2033 f.debug_list().entries(self.0.iter()).finish()
2034 }
2035 }
2036
2037 f.debug_struct("Snapshot")
2038 .field("id", &self.id)
2039 .field("root_name", &self.root_name)
2040 .field("entries_by_path", &EntriesByPath(&self.entries_by_path))
2041 .field("entries_by_id", &EntriesById(&self.entries_by_id))
2042 .finish()
2043 }
2044}
2045
2046#[derive(Clone, PartialEq)]
2047pub struct File {
2048 pub worktree: ModelHandle<Worktree>,
2049 pub path: Arc<Path>,
2050 pub mtime: SystemTime,
2051 pub(crate) entry_id: ProjectEntryId,
2052 pub(crate) is_local: bool,
2053 pub(crate) is_deleted: bool,
2054}
2055
2056impl language::File for File {
2057 fn as_local(&self) -> Option<&dyn language::LocalFile> {
2058 if self.is_local {
2059 Some(self)
2060 } else {
2061 None
2062 }
2063 }
2064
2065 fn mtime(&self) -> SystemTime {
2066 self.mtime
2067 }
2068
2069 fn path(&self) -> &Arc<Path> {
2070 &self.path
2071 }
2072
2073 fn full_path(&self, cx: &AppContext) -> PathBuf {
2074 let mut full_path = PathBuf::new();
2075 let worktree = self.worktree.read(cx);
2076
2077 if worktree.is_visible() {
2078 full_path.push(worktree.root_name());
2079 } else {
2080 let path = worktree.abs_path();
2081
2082 if worktree.is_local() && path.starts_with(HOME.as_path()) {
2083 full_path.push("~");
2084 full_path.push(path.strip_prefix(HOME.as_path()).unwrap());
2085 } else {
2086 full_path.push(path)
2087 }
2088 }
2089
2090 if self.path.components().next().is_some() {
2091 full_path.push(&self.path);
2092 }
2093
2094 full_path
2095 }
2096
2097 /// Returns the last component of this handle's absolute path. If this handle refers to the root
2098 /// of its worktree, then this method will return the name of the worktree itself.
2099 fn file_name<'a>(&'a self, cx: &'a AppContext) -> &'a OsStr {
2100 self.path
2101 .file_name()
2102 .unwrap_or_else(|| OsStr::new(&self.worktree.read(cx).root_name))
2103 }
2104
2105 fn is_deleted(&self) -> bool {
2106 self.is_deleted
2107 }
2108
2109 fn as_any(&self) -> &dyn Any {
2110 self
2111 }
2112
2113 fn to_proto(&self) -> rpc::proto::File {
2114 rpc::proto::File {
2115 worktree_id: self.worktree.id() as u64,
2116 entry_id: self.entry_id.to_proto(),
2117 path: self.path.to_string_lossy().into(),
2118 mtime: Some(self.mtime.into()),
2119 is_deleted: self.is_deleted,
2120 }
2121 }
2122}
2123
2124impl language::LocalFile for File {
2125 fn abs_path(&self, cx: &AppContext) -> PathBuf {
2126 self.worktree
2127 .read(cx)
2128 .as_local()
2129 .unwrap()
2130 .abs_path
2131 .join(&self.path)
2132 }
2133
2134 fn load(&self, cx: &AppContext) -> Task<Result<String>> {
2135 let worktree = self.worktree.read(cx).as_local().unwrap();
2136 let abs_path = worktree.absolutize(&self.path);
2137 let fs = worktree.fs.clone();
2138 cx.background()
2139 .spawn(async move { fs.load(&abs_path).await })
2140 }
2141
2142 fn buffer_reloaded(
2143 &self,
2144 buffer_id: u64,
2145 version: &clock::Global,
2146 fingerprint: RopeFingerprint,
2147 line_ending: LineEnding,
2148 mtime: SystemTime,
2149 cx: &mut AppContext,
2150 ) {
2151 let worktree = self.worktree.read(cx).as_local().unwrap();
2152 if let Some(project_id) = worktree.share.as_ref().map(|share| share.project_id) {
2153 worktree
2154 .client
2155 .send(proto::BufferReloaded {
2156 project_id,
2157 buffer_id,
2158 version: serialize_version(version),
2159 mtime: Some(mtime.into()),
2160 fingerprint: serialize_fingerprint(fingerprint),
2161 line_ending: serialize_line_ending(line_ending) as i32,
2162 })
2163 .log_err();
2164 }
2165 }
2166}
2167
2168impl File {
2169 pub fn from_proto(
2170 proto: rpc::proto::File,
2171 worktree: ModelHandle<Worktree>,
2172 cx: &AppContext,
2173 ) -> Result<Self> {
2174 let worktree_id = worktree
2175 .read(cx)
2176 .as_remote()
2177 .ok_or_else(|| anyhow!("not remote"))?
2178 .id();
2179
2180 if worktree_id.to_proto() != proto.worktree_id {
2181 return Err(anyhow!("worktree id does not match file"));
2182 }
2183
2184 Ok(Self {
2185 worktree,
2186 path: Path::new(&proto.path).into(),
2187 mtime: proto.mtime.ok_or_else(|| anyhow!("no timestamp"))?.into(),
2188 entry_id: ProjectEntryId::from_proto(proto.entry_id),
2189 is_local: false,
2190 is_deleted: proto.is_deleted,
2191 })
2192 }
2193
2194 pub fn from_dyn(file: Option<&Arc<dyn language::File>>) -> Option<&Self> {
2195 file.and_then(|f| f.as_any().downcast_ref())
2196 }
2197
2198 pub fn worktree_id(&self, cx: &AppContext) -> WorktreeId {
2199 self.worktree.read(cx).id()
2200 }
2201
2202 pub fn project_entry_id(&self, _: &AppContext) -> Option<ProjectEntryId> {
2203 if self.is_deleted {
2204 None
2205 } else {
2206 Some(self.entry_id)
2207 }
2208 }
2209}
2210
2211#[derive(Clone, Debug, PartialEq, Eq)]
2212pub struct Entry {
2213 pub id: ProjectEntryId,
2214 pub kind: EntryKind,
2215 pub path: Arc<Path>,
2216 pub inode: u64,
2217 pub mtime: SystemTime,
2218 pub is_symlink: bool,
2219 pub is_ignored: bool,
2220}
2221
2222#[derive(Clone, Copy, Debug, PartialEq, Eq)]
2223pub enum EntryKind {
2224 PendingDir,
2225 Dir,
2226 File(CharBag),
2227}
2228
2229#[derive(Clone, Copy, Debug)]
2230pub enum PathChange {
2231 Added,
2232 Removed,
2233 Updated,
2234 AddedOrUpdated,
2235}
2236
2237impl Entry {
2238 fn new(
2239 path: Arc<Path>,
2240 metadata: &fs::Metadata,
2241 next_entry_id: &AtomicUsize,
2242 root_char_bag: CharBag,
2243 ) -> Self {
2244 Self {
2245 id: ProjectEntryId::new(next_entry_id),
2246 kind: if metadata.is_dir {
2247 EntryKind::PendingDir
2248 } else {
2249 EntryKind::File(char_bag_for_path(root_char_bag, &path))
2250 },
2251 path,
2252 inode: metadata.inode,
2253 mtime: metadata.mtime,
2254 is_symlink: metadata.is_symlink,
2255 is_ignored: false,
2256 }
2257 }
2258
2259 pub fn is_dir(&self) -> bool {
2260 matches!(self.kind, EntryKind::Dir | EntryKind::PendingDir)
2261 }
2262
2263 pub fn is_file(&self) -> bool {
2264 matches!(self.kind, EntryKind::File(_))
2265 }
2266}
2267
2268impl sum_tree::Item for Entry {
2269 type Summary = EntrySummary;
2270
2271 fn summary(&self) -> Self::Summary {
2272 let visible_count = if self.is_ignored { 0 } else { 1 };
2273 let file_count;
2274 let visible_file_count;
2275 if self.is_file() {
2276 file_count = 1;
2277 visible_file_count = visible_count;
2278 } else {
2279 file_count = 0;
2280 visible_file_count = 0;
2281 }
2282
2283 EntrySummary {
2284 max_path: self.path.clone(),
2285 count: 1,
2286 visible_count,
2287 file_count,
2288 visible_file_count,
2289 }
2290 }
2291}
2292
2293impl sum_tree::KeyedItem for Entry {
2294 type Key = PathKey;
2295
2296 fn key(&self) -> Self::Key {
2297 PathKey(self.path.clone())
2298 }
2299}
2300
2301#[derive(Clone, Debug)]
2302pub struct EntrySummary {
2303 max_path: Arc<Path>,
2304 count: usize,
2305 visible_count: usize,
2306 file_count: usize,
2307 visible_file_count: usize,
2308}
2309
2310impl Default for EntrySummary {
2311 fn default() -> Self {
2312 Self {
2313 max_path: Arc::from(Path::new("")),
2314 count: 0,
2315 visible_count: 0,
2316 file_count: 0,
2317 visible_file_count: 0,
2318 }
2319 }
2320}
2321
2322impl sum_tree::Summary for EntrySummary {
2323 type Context = ();
2324
2325 fn add_summary(&mut self, rhs: &Self, _: &()) {
2326 self.max_path = rhs.max_path.clone();
2327 self.count += rhs.count;
2328 self.visible_count += rhs.visible_count;
2329 self.file_count += rhs.file_count;
2330 self.visible_file_count += rhs.visible_file_count;
2331 }
2332}
2333
2334#[derive(Clone, Debug)]
2335struct PathEntry {
2336 id: ProjectEntryId,
2337 path: Arc<Path>,
2338 is_ignored: bool,
2339 scan_id: usize,
2340}
2341
2342impl sum_tree::Item for PathEntry {
2343 type Summary = PathEntrySummary;
2344
2345 fn summary(&self) -> Self::Summary {
2346 PathEntrySummary { max_id: self.id }
2347 }
2348}
2349
2350impl sum_tree::KeyedItem for PathEntry {
2351 type Key = ProjectEntryId;
2352
2353 fn key(&self) -> Self::Key {
2354 self.id
2355 }
2356}
2357
2358#[derive(Clone, Debug, Default)]
2359struct PathEntrySummary {
2360 max_id: ProjectEntryId,
2361}
2362
2363impl sum_tree::Summary for PathEntrySummary {
2364 type Context = ();
2365
2366 fn add_summary(&mut self, summary: &Self, _: &Self::Context) {
2367 self.max_id = summary.max_id;
2368 }
2369}
2370
2371impl<'a> sum_tree::Dimension<'a, PathEntrySummary> for ProjectEntryId {
2372 fn add_summary(&mut self, summary: &'a PathEntrySummary, _: &()) {
2373 *self = summary.max_id;
2374 }
2375}
2376
2377#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
2378pub struct PathKey(Arc<Path>);
2379
2380impl Default for PathKey {
2381 fn default() -> Self {
2382 Self(Path::new("").into())
2383 }
2384}
2385
2386impl<'a> sum_tree::Dimension<'a, EntrySummary> for PathKey {
2387 fn add_summary(&mut self, summary: &'a EntrySummary, _: &()) {
2388 self.0 = summary.max_path.clone();
2389 }
2390}
2391
2392struct BackgroundScanner {
2393 snapshot: Mutex<LocalSnapshot>,
2394 fs: Arc<dyn Fs>,
2395 status_updates_tx: UnboundedSender<ScanState>,
2396 executor: Arc<executor::Background>,
2397 refresh_requests_rx: channel::Receiver<(Vec<PathBuf>, barrier::Sender)>,
2398 prev_state: Mutex<(Snapshot, Vec<Arc<Path>>)>,
2399 finished_initial_scan: bool,
2400}
2401
2402impl BackgroundScanner {
2403 fn new(
2404 snapshot: LocalSnapshot,
2405 fs: Arc<dyn Fs>,
2406 status_updates_tx: UnboundedSender<ScanState>,
2407 executor: Arc<executor::Background>,
2408 refresh_requests_rx: channel::Receiver<(Vec<PathBuf>, barrier::Sender)>,
2409 ) -> Self {
2410 Self {
2411 fs,
2412 status_updates_tx,
2413 executor,
2414 refresh_requests_rx,
2415 prev_state: Mutex::new((snapshot.snapshot.clone(), Vec::new())),
2416 snapshot: Mutex::new(snapshot),
2417 finished_initial_scan: false,
2418 }
2419 }
2420
2421 async fn run(
2422 &mut self,
2423 mut events_rx: Pin<Box<dyn Send + Stream<Item = Vec<fsevent::Event>>>>,
2424 ) {
2425 use futures::FutureExt as _;
2426
2427 let (root_abs_path, root_inode) = {
2428 let snapshot = self.snapshot.lock();
2429 (
2430 snapshot.abs_path.clone(),
2431 snapshot.root_entry().map(|e| e.inode),
2432 )
2433 };
2434
2435 // Populate ignores above the root.
2436 let ignore_stack;
2437 for ancestor in root_abs_path.ancestors().skip(1) {
2438 if let Ok(ignore) = build_gitignore(&ancestor.join(&*GITIGNORE), self.fs.as_ref()).await
2439 {
2440 self.snapshot
2441 .lock()
2442 .ignores_by_parent_abs_path
2443 .insert(ancestor.into(), (ignore.into(), 0));
2444 }
2445 }
2446 {
2447 let mut snapshot = self.snapshot.lock();
2448 snapshot.scan_id += 1;
2449 ignore_stack = snapshot.ignore_stack_for_abs_path(&root_abs_path, true);
2450 if ignore_stack.is_all() {
2451 if let Some(mut root_entry) = snapshot.root_entry().cloned() {
2452 root_entry.is_ignored = true;
2453 snapshot.insert_entry(root_entry, self.fs.as_ref());
2454 }
2455 }
2456 };
2457
2458 // Perform an initial scan of the directory.
2459 let (scan_job_tx, scan_job_rx) = channel::unbounded();
2460 smol::block_on(scan_job_tx.send(ScanJob {
2461 abs_path: root_abs_path,
2462 path: Arc::from(Path::new("")),
2463 ignore_stack,
2464 ancestor_inodes: TreeSet::from_ordered_entries(root_inode),
2465 scan_queue: scan_job_tx.clone(),
2466 }))
2467 .unwrap();
2468 drop(scan_job_tx);
2469 self.scan_dirs(true, scan_job_rx).await;
2470 {
2471 let mut snapshot = self.snapshot.lock();
2472 snapshot.completed_scan_id = snapshot.scan_id;
2473 }
2474 self.send_status_update(false, None);
2475
2476 // Process any any FS events that occurred while performing the initial scan.
2477 // For these events, update events cannot be as precise, because we didn't
2478 // have the previous state loaded yet.
2479 if let Poll::Ready(Some(events)) = futures::poll!(events_rx.next()) {
2480 let mut paths = events.into_iter().map(|e| e.path).collect::<Vec<_>>();
2481 while let Poll::Ready(Some(more_events)) = futures::poll!(events_rx.next()) {
2482 paths.extend(more_events.into_iter().map(|e| e.path));
2483 }
2484 self.process_events(paths).await;
2485 }
2486
2487 self.finished_initial_scan = true;
2488
2489 // Continue processing events until the worktree is dropped.
2490 loop {
2491 select_biased! {
2492 // Process any path refresh requests from the worktree. Prioritize
2493 // these before handling changes reported by the filesystem.
2494 request = self.refresh_requests_rx.recv().fuse() => {
2495 let Ok((paths, barrier)) = request else { break };
2496 if !self.process_refresh_request(paths, barrier).await {
2497 return;
2498 }
2499 }
2500
2501 events = events_rx.next().fuse() => {
2502 let Some(events) = events else { break };
2503 let mut paths = events.into_iter().map(|e| e.path).collect::<Vec<_>>();
2504 while let Poll::Ready(Some(more_events)) = futures::poll!(events_rx.next()) {
2505 paths.extend(more_events.into_iter().map(|e| e.path));
2506 }
2507 self.process_events(paths).await;
2508 }
2509 }
2510 }
2511 }
2512
2513 async fn process_refresh_request(&self, paths: Vec<PathBuf>, barrier: barrier::Sender) -> bool {
2514 self.reload_entries_for_paths(paths, None).await;
2515 self.send_status_update(false, Some(barrier))
2516 }
2517
2518 async fn process_events(&mut self, paths: Vec<PathBuf>) {
2519 let (scan_job_tx, scan_job_rx) = channel::unbounded();
2520 if let Some(mut paths) = self
2521 .reload_entries_for_paths(paths, Some(scan_job_tx.clone()))
2522 .await
2523 {
2524 paths.sort_unstable();
2525 util::extend_sorted(&mut self.prev_state.lock().1, paths, usize::MAX, Ord::cmp);
2526 }
2527 drop(scan_job_tx);
2528 self.scan_dirs(false, scan_job_rx).await;
2529
2530 self.update_ignore_statuses().await;
2531
2532 let mut snapshot = self.snapshot.lock();
2533
2534 let mut git_repositories = mem::take(&mut snapshot.git_repositories);
2535 git_repositories.retain(|work_directory_id, _| {
2536 snapshot
2537 .entry_for_id(*work_directory_id)
2538 .map_or(false, |entry| {
2539 snapshot.entry_for_path(entry.path.join(*DOT_GIT)).is_some()
2540 })
2541 });
2542 snapshot.git_repositories = git_repositories;
2543
2544 let mut git_repository_entries = mem::take(&mut snapshot.snapshot.repository_entries);
2545 git_repository_entries.retain(|_, entry| {
2546 snapshot
2547 .git_repositories
2548 .get(&entry.work_directory.0)
2549 .is_some()
2550 });
2551 snapshot.snapshot.repository_entries = git_repository_entries;
2552
2553 snapshot.removed_entry_ids.clear();
2554 snapshot.completed_scan_id = snapshot.scan_id;
2555
2556 drop(snapshot);
2557
2558 self.send_status_update(false, None);
2559 }
2560
2561 async fn scan_dirs(
2562 &self,
2563 enable_progress_updates: bool,
2564 scan_jobs_rx: channel::Receiver<ScanJob>,
2565 ) {
2566 use futures::FutureExt as _;
2567
2568 if self
2569 .status_updates_tx
2570 .unbounded_send(ScanState::Started)
2571 .is_err()
2572 {
2573 return;
2574 }
2575
2576 let progress_update_count = AtomicUsize::new(0);
2577 self.executor
2578 .scoped(|scope| {
2579 for _ in 0..self.executor.num_cpus() {
2580 scope.spawn(async {
2581 let mut last_progress_update_count = 0;
2582 let progress_update_timer = self.progress_timer(enable_progress_updates).fuse();
2583 futures::pin_mut!(progress_update_timer);
2584
2585 loop {
2586 select_biased! {
2587 // Process any path refresh requests before moving on to process
2588 // the scan queue, so that user operations are prioritized.
2589 request = self.refresh_requests_rx.recv().fuse() => {
2590 let Ok((paths, barrier)) = request else { break };
2591 if !self.process_refresh_request(paths, barrier).await {
2592 return;
2593 }
2594 }
2595
2596 // Send periodic progress updates to the worktree. Use an atomic counter
2597 // to ensure that only one of the workers sends a progress update after
2598 // the update interval elapses.
2599 _ = progress_update_timer => {
2600 match progress_update_count.compare_exchange(
2601 last_progress_update_count,
2602 last_progress_update_count + 1,
2603 SeqCst,
2604 SeqCst
2605 ) {
2606 Ok(_) => {
2607 last_progress_update_count += 1;
2608 self.send_status_update(true, None);
2609 }
2610 Err(count) => {
2611 last_progress_update_count = count;
2612 }
2613 }
2614 progress_update_timer.set(self.progress_timer(enable_progress_updates).fuse());
2615 }
2616
2617 // Recursively load directories from the file system.
2618 job = scan_jobs_rx.recv().fuse() => {
2619 let Ok(job) = job else { break };
2620 if let Err(err) = self.scan_dir(&job).await {
2621 if job.path.as_ref() != Path::new("") {
2622 log::error!("error scanning directory {:?}: {}", job.abs_path, err);
2623 }
2624 }
2625 }
2626 }
2627 }
2628 })
2629 }
2630 })
2631 .await;
2632 }
2633
2634 fn send_status_update(&self, scanning: bool, barrier: Option<barrier::Sender>) -> bool {
2635 let mut prev_state = self.prev_state.lock();
2636 let snapshot = self.snapshot.lock().clone();
2637 let mut old_snapshot = snapshot.snapshot.clone();
2638 mem::swap(&mut old_snapshot, &mut prev_state.0);
2639 let changed_paths = mem::take(&mut prev_state.1);
2640 let changes = self.build_change_set(&old_snapshot, &snapshot.snapshot, changed_paths);
2641 self.status_updates_tx
2642 .unbounded_send(ScanState::Updated {
2643 snapshot,
2644 changes,
2645 scanning,
2646 barrier,
2647 })
2648 .is_ok()
2649 }
2650
2651 async fn scan_dir(&self, job: &ScanJob) -> Result<()> {
2652 let mut new_entries: Vec<Entry> = Vec::new();
2653 let mut new_jobs: Vec<Option<ScanJob>> = Vec::new();
2654 let mut ignore_stack = job.ignore_stack.clone();
2655 let mut new_ignore = None;
2656 let (root_abs_path, root_char_bag, next_entry_id) = {
2657 let snapshot = self.snapshot.lock();
2658 (
2659 snapshot.abs_path().clone(),
2660 snapshot.root_char_bag,
2661 snapshot.next_entry_id.clone(),
2662 )
2663 };
2664 let mut child_paths = self.fs.read_dir(&job.abs_path).await?;
2665 while let Some(child_abs_path) = child_paths.next().await {
2666 let child_abs_path: Arc<Path> = match child_abs_path {
2667 Ok(child_abs_path) => child_abs_path.into(),
2668 Err(error) => {
2669 log::error!("error processing entry {:?}", error);
2670 continue;
2671 }
2672 };
2673
2674 let child_name = child_abs_path.file_name().unwrap();
2675 let child_path: Arc<Path> = job.path.join(child_name).into();
2676 let child_metadata = match self.fs.metadata(&child_abs_path).await {
2677 Ok(Some(metadata)) => metadata,
2678 Ok(None) => continue,
2679 Err(err) => {
2680 log::error!("error processing {:?}: {:?}", child_abs_path, err);
2681 continue;
2682 }
2683 };
2684
2685 // If we find a .gitignore, add it to the stack of ignores used to determine which paths are ignored
2686 if child_name == *GITIGNORE {
2687 match build_gitignore(&child_abs_path, self.fs.as_ref()).await {
2688 Ok(ignore) => {
2689 let ignore = Arc::new(ignore);
2690 ignore_stack = ignore_stack.append(job.abs_path.clone(), ignore.clone());
2691 new_ignore = Some(ignore);
2692 }
2693 Err(error) => {
2694 log::error!(
2695 "error loading .gitignore file {:?} - {:?}",
2696 child_name,
2697 error
2698 );
2699 }
2700 }
2701
2702 // Update ignore status of any child entries we've already processed to reflect the
2703 // ignore file in the current directory. Because `.gitignore` starts with a `.`,
2704 // there should rarely be too numerous. Update the ignore stack associated with any
2705 // new jobs as well.
2706 let mut new_jobs = new_jobs.iter_mut();
2707 for entry in &mut new_entries {
2708 let entry_abs_path = root_abs_path.join(&entry.path);
2709 entry.is_ignored =
2710 ignore_stack.is_abs_path_ignored(&entry_abs_path, entry.is_dir());
2711
2712 if entry.is_dir() {
2713 if let Some(job) = new_jobs.next().expect("Missing scan job for entry") {
2714 job.ignore_stack = if entry.is_ignored {
2715 IgnoreStack::all()
2716 } else {
2717 ignore_stack.clone()
2718 };
2719 }
2720 }
2721 }
2722 }
2723
2724 let mut child_entry = Entry::new(
2725 child_path.clone(),
2726 &child_metadata,
2727 &next_entry_id,
2728 root_char_bag,
2729 );
2730
2731 if child_entry.is_dir() {
2732 let is_ignored = ignore_stack.is_abs_path_ignored(&child_abs_path, true);
2733 child_entry.is_ignored = is_ignored;
2734
2735 // Avoid recursing until crash in the case of a recursive symlink
2736 if !job.ancestor_inodes.contains(&child_entry.inode) {
2737 let mut ancestor_inodes = job.ancestor_inodes.clone();
2738 ancestor_inodes.insert(child_entry.inode);
2739
2740 new_jobs.push(Some(ScanJob {
2741 abs_path: child_abs_path,
2742 path: child_path,
2743 ignore_stack: if is_ignored {
2744 IgnoreStack::all()
2745 } else {
2746 ignore_stack.clone()
2747 },
2748 ancestor_inodes,
2749 scan_queue: job.scan_queue.clone(),
2750 }));
2751 } else {
2752 new_jobs.push(None);
2753 }
2754 } else {
2755 child_entry.is_ignored = ignore_stack.is_abs_path_ignored(&child_abs_path, false);
2756 }
2757
2758 new_entries.push(child_entry);
2759 }
2760
2761 self.snapshot.lock().populate_dir(
2762 job.path.clone(),
2763 new_entries,
2764 new_ignore,
2765 self.fs.as_ref(),
2766 );
2767
2768 for new_job in new_jobs {
2769 if let Some(new_job) = new_job {
2770 job.scan_queue.send(new_job).await.unwrap();
2771 }
2772 }
2773
2774 Ok(())
2775 }
2776
2777 async fn reload_entries_for_paths(
2778 &self,
2779 mut abs_paths: Vec<PathBuf>,
2780 scan_queue_tx: Option<Sender<ScanJob>>,
2781 ) -> Option<Vec<Arc<Path>>> {
2782 let doing_recursive_update = scan_queue_tx.is_some();
2783
2784 abs_paths.sort_unstable();
2785 abs_paths.dedup_by(|a, b| a.starts_with(&b));
2786
2787 let root_abs_path = self.snapshot.lock().abs_path.clone();
2788 let root_canonical_path = self.fs.canonicalize(&root_abs_path).await.log_err()?;
2789 let metadata = futures::future::join_all(
2790 abs_paths
2791 .iter()
2792 .map(|abs_path| self.fs.metadata(&abs_path))
2793 .collect::<Vec<_>>(),
2794 )
2795 .await;
2796
2797 let mut snapshot = self.snapshot.lock();
2798 let is_idle = snapshot.completed_scan_id == snapshot.scan_id;
2799 snapshot.scan_id += 1;
2800 if is_idle && !doing_recursive_update {
2801 snapshot.completed_scan_id = snapshot.scan_id;
2802 }
2803
2804 // Remove any entries for paths that no longer exist or are being recursively
2805 // refreshed. Do this before adding any new entries, so that renames can be
2806 // detected regardless of the order of the paths.
2807 let mut event_paths = Vec::<Arc<Path>>::with_capacity(abs_paths.len());
2808 for (abs_path, metadata) in abs_paths.iter().zip(metadata.iter()) {
2809 if let Ok(path) = abs_path.strip_prefix(&root_canonical_path) {
2810 if matches!(metadata, Ok(None)) || doing_recursive_update {
2811 snapshot.remove_path(path);
2812 }
2813 event_paths.push(path.into());
2814 } else {
2815 log::error!(
2816 "unexpected event {:?} for root path {:?}",
2817 abs_path,
2818 root_canonical_path
2819 );
2820 }
2821 }
2822
2823 for (path, metadata) in event_paths.iter().cloned().zip(metadata.into_iter()) {
2824 let abs_path: Arc<Path> = root_abs_path.join(&path).into();
2825
2826 match metadata {
2827 Ok(Some(metadata)) => {
2828 let ignore_stack =
2829 snapshot.ignore_stack_for_abs_path(&abs_path, metadata.is_dir);
2830 let mut fs_entry = Entry::new(
2831 path.clone(),
2832 &metadata,
2833 snapshot.next_entry_id.as_ref(),
2834 snapshot.root_char_bag,
2835 );
2836 fs_entry.is_ignored = ignore_stack.is_all();
2837 snapshot.insert_entry(fs_entry, self.fs.as_ref());
2838
2839 self.reload_repo_for_path(&path, &mut snapshot);
2840
2841 if let Some(scan_queue_tx) = &scan_queue_tx {
2842 let mut ancestor_inodes = snapshot.ancestor_inodes_for_path(&path);
2843 if metadata.is_dir && !ancestor_inodes.contains(&metadata.inode) {
2844 ancestor_inodes.insert(metadata.inode);
2845 smol::block_on(scan_queue_tx.send(ScanJob {
2846 abs_path,
2847 path,
2848 ignore_stack,
2849 ancestor_inodes,
2850 scan_queue: scan_queue_tx.clone(),
2851 }))
2852 .unwrap();
2853 }
2854 }
2855 }
2856 Ok(None) => {}
2857 Err(err) => {
2858 // TODO - create a special 'error' entry in the entries tree to mark this
2859 log::error!("error reading file on event {:?}", err);
2860 }
2861 }
2862 }
2863
2864 Some(event_paths)
2865 }
2866
2867 fn reload_repo_for_path(&self, path: &Path, snapshot: &mut LocalSnapshot) -> Option<()> {
2868 let scan_id = snapshot.scan_id;
2869
2870 if path
2871 .components()
2872 .any(|component| component.as_os_str() == *DOT_GIT)
2873 {
2874 let (entry_id, repo) = snapshot.repo_for_metadata(&path)?;
2875
2876 let work_dir = snapshot
2877 .entry_for_id(entry_id)
2878 .map(|entry| RepositoryWorkDirectory(entry.path.clone()))?;
2879
2880 let repo = repo.lock();
2881 repo.reload_index();
2882 let branch = repo.branch_name();
2883 let statuses = repo.statuses().unwrap_or_default();
2884
2885 snapshot.git_repositories.update(&entry_id, |entry| {
2886 entry.scan_id = scan_id;
2887 entry.full_scan_id = scan_id;
2888 });
2889
2890 snapshot.repository_entries.update(&work_dir, |entry| {
2891 entry.branch = branch.map(Into::into);
2892 entry.statuses = statuses;
2893 });
2894 } else if let Some(repo) = snapshot.repo_for(&path) {
2895 let repo_path = repo.work_directory.relativize(&snapshot, &path)?;
2896
2897 let status = {
2898 let local_repo = snapshot.get_local_repo(&repo)?;
2899 // Short circuit if we've already scanned everything
2900 if local_repo.full_scan_id == scan_id {
2901 return None;
2902 }
2903
2904 let git_ptr = local_repo.repo_ptr.lock();
2905 git_ptr.file_status(&repo_path)?
2906 };
2907
2908 if status != GitStatus::Untracked {
2909 let work_dir = repo.work_directory(snapshot)?;
2910 let work_dir_id = repo.work_directory;
2911
2912 snapshot
2913 .git_repositories
2914 .update(&work_dir_id, |entry| entry.scan_id = scan_id);
2915
2916 snapshot
2917 .repository_entries
2918 .update(&work_dir, |entry| entry.statuses.insert(repo_path, status));
2919 }
2920 }
2921
2922 Some(())
2923 }
2924
2925 async fn update_ignore_statuses(&self) {
2926 use futures::FutureExt as _;
2927
2928 let mut snapshot = self.snapshot.lock().clone();
2929 let mut ignores_to_update = Vec::new();
2930 let mut ignores_to_delete = Vec::new();
2931 for (parent_abs_path, (_, scan_id)) in &snapshot.ignores_by_parent_abs_path {
2932 if let Ok(parent_path) = parent_abs_path.strip_prefix(&snapshot.abs_path) {
2933 if *scan_id > snapshot.completed_scan_id
2934 && snapshot.entry_for_path(parent_path).is_some()
2935 {
2936 ignores_to_update.push(parent_abs_path.clone());
2937 }
2938
2939 let ignore_path = parent_path.join(&*GITIGNORE);
2940 if snapshot.entry_for_path(ignore_path).is_none() {
2941 ignores_to_delete.push(parent_abs_path.clone());
2942 }
2943 }
2944 }
2945
2946 for parent_abs_path in ignores_to_delete {
2947 snapshot.ignores_by_parent_abs_path.remove(&parent_abs_path);
2948 self.snapshot
2949 .lock()
2950 .ignores_by_parent_abs_path
2951 .remove(&parent_abs_path);
2952 }
2953
2954 let (ignore_queue_tx, ignore_queue_rx) = channel::unbounded();
2955 ignores_to_update.sort_unstable();
2956 let mut ignores_to_update = ignores_to_update.into_iter().peekable();
2957 while let Some(parent_abs_path) = ignores_to_update.next() {
2958 while ignores_to_update
2959 .peek()
2960 .map_or(false, |p| p.starts_with(&parent_abs_path))
2961 {
2962 ignores_to_update.next().unwrap();
2963 }
2964
2965 let ignore_stack = snapshot.ignore_stack_for_abs_path(&parent_abs_path, true);
2966 smol::block_on(ignore_queue_tx.send(UpdateIgnoreStatusJob {
2967 abs_path: parent_abs_path,
2968 ignore_stack,
2969 ignore_queue: ignore_queue_tx.clone(),
2970 }))
2971 .unwrap();
2972 }
2973 drop(ignore_queue_tx);
2974
2975 self.executor
2976 .scoped(|scope| {
2977 for _ in 0..self.executor.num_cpus() {
2978 scope.spawn(async {
2979 loop {
2980 select_biased! {
2981 // Process any path refresh requests before moving on to process
2982 // the queue of ignore statuses.
2983 request = self.refresh_requests_rx.recv().fuse() => {
2984 let Ok((paths, barrier)) = request else { break };
2985 if !self.process_refresh_request(paths, barrier).await {
2986 return;
2987 }
2988 }
2989
2990 // Recursively process directories whose ignores have changed.
2991 job = ignore_queue_rx.recv().fuse() => {
2992 let Ok(job) = job else { break };
2993 self.update_ignore_status(job, &snapshot).await;
2994 }
2995 }
2996 }
2997 });
2998 }
2999 })
3000 .await;
3001 }
3002
3003 async fn update_ignore_status(&self, job: UpdateIgnoreStatusJob, snapshot: &LocalSnapshot) {
3004 let mut ignore_stack = job.ignore_stack;
3005 if let Some((ignore, _)) = snapshot.ignores_by_parent_abs_path.get(&job.abs_path) {
3006 ignore_stack = ignore_stack.append(job.abs_path.clone(), ignore.clone());
3007 }
3008
3009 let mut entries_by_id_edits = Vec::new();
3010 let mut entries_by_path_edits = Vec::new();
3011 let path = job.abs_path.strip_prefix(&snapshot.abs_path).unwrap();
3012 for mut entry in snapshot.child_entries(path).cloned() {
3013 let was_ignored = entry.is_ignored;
3014 let abs_path = snapshot.abs_path().join(&entry.path);
3015 entry.is_ignored = ignore_stack.is_abs_path_ignored(&abs_path, entry.is_dir());
3016 if entry.is_dir() {
3017 let child_ignore_stack = if entry.is_ignored {
3018 IgnoreStack::all()
3019 } else {
3020 ignore_stack.clone()
3021 };
3022 job.ignore_queue
3023 .send(UpdateIgnoreStatusJob {
3024 abs_path: abs_path.into(),
3025 ignore_stack: child_ignore_stack,
3026 ignore_queue: job.ignore_queue.clone(),
3027 })
3028 .await
3029 .unwrap();
3030 }
3031
3032 if entry.is_ignored != was_ignored {
3033 let mut path_entry = snapshot.entries_by_id.get(&entry.id, &()).unwrap().clone();
3034 path_entry.scan_id = snapshot.scan_id;
3035 path_entry.is_ignored = entry.is_ignored;
3036 entries_by_id_edits.push(Edit::Insert(path_entry));
3037 entries_by_path_edits.push(Edit::Insert(entry));
3038 }
3039 }
3040
3041 let mut snapshot = self.snapshot.lock();
3042 snapshot.entries_by_path.edit(entries_by_path_edits, &());
3043 snapshot.entries_by_id.edit(entries_by_id_edits, &());
3044 }
3045
3046 fn build_change_set(
3047 &self,
3048 old_snapshot: &Snapshot,
3049 new_snapshot: &Snapshot,
3050 event_paths: Vec<Arc<Path>>,
3051 ) -> HashMap<Arc<Path>, PathChange> {
3052 use PathChange::{Added, AddedOrUpdated, Removed, Updated};
3053
3054 let mut changes = HashMap::default();
3055 let mut old_paths = old_snapshot.entries_by_path.cursor::<PathKey>();
3056 let mut new_paths = new_snapshot.entries_by_path.cursor::<PathKey>();
3057 let received_before_initialized = !self.finished_initial_scan;
3058
3059 for path in event_paths {
3060 let path = PathKey(path);
3061 old_paths.seek(&path, Bias::Left, &());
3062 new_paths.seek(&path, Bias::Left, &());
3063
3064 loop {
3065 match (old_paths.item(), new_paths.item()) {
3066 (Some(old_entry), Some(new_entry)) => {
3067 if old_entry.path > path.0
3068 && new_entry.path > path.0
3069 && !old_entry.path.starts_with(&path.0)
3070 && !new_entry.path.starts_with(&path.0)
3071 {
3072 break;
3073 }
3074
3075 match Ord::cmp(&old_entry.path, &new_entry.path) {
3076 Ordering::Less => {
3077 changes.insert(old_entry.path.clone(), Removed);
3078 old_paths.next(&());
3079 }
3080 Ordering::Equal => {
3081 if received_before_initialized {
3082 // If the worktree was not fully initialized when this event was generated,
3083 // we can't know whether this entry was added during the scan or whether
3084 // it was merely updated.
3085 changes.insert(new_entry.path.clone(), AddedOrUpdated);
3086 } else if old_entry.mtime != new_entry.mtime {
3087 changes.insert(new_entry.path.clone(), Updated);
3088 }
3089 old_paths.next(&());
3090 new_paths.next(&());
3091 }
3092 Ordering::Greater => {
3093 changes.insert(new_entry.path.clone(), Added);
3094 new_paths.next(&());
3095 }
3096 }
3097 }
3098 (Some(old_entry), None) => {
3099 changes.insert(old_entry.path.clone(), Removed);
3100 old_paths.next(&());
3101 }
3102 (None, Some(new_entry)) => {
3103 changes.insert(new_entry.path.clone(), Added);
3104 new_paths.next(&());
3105 }
3106 (None, None) => break,
3107 }
3108 }
3109 }
3110 changes
3111 }
3112
3113 async fn progress_timer(&self, running: bool) {
3114 if !running {
3115 return futures::future::pending().await;
3116 }
3117
3118 #[cfg(any(test, feature = "test-support"))]
3119 if self.fs.is_fake() {
3120 return self.executor.simulate_random_delay().await;
3121 }
3122
3123 smol::Timer::after(Duration::from_millis(100)).await;
3124 }
3125}
3126
3127fn char_bag_for_path(root_char_bag: CharBag, path: &Path) -> CharBag {
3128 let mut result = root_char_bag;
3129 result.extend(
3130 path.to_string_lossy()
3131 .chars()
3132 .map(|c| c.to_ascii_lowercase()),
3133 );
3134 result
3135}
3136
3137struct ScanJob {
3138 abs_path: Arc<Path>,
3139 path: Arc<Path>,
3140 ignore_stack: Arc<IgnoreStack>,
3141 scan_queue: Sender<ScanJob>,
3142 ancestor_inodes: TreeSet<u64>,
3143}
3144
3145struct UpdateIgnoreStatusJob {
3146 abs_path: Arc<Path>,
3147 ignore_stack: Arc<IgnoreStack>,
3148 ignore_queue: Sender<UpdateIgnoreStatusJob>,
3149}
3150
3151pub trait WorktreeHandle {
3152 #[cfg(any(test, feature = "test-support"))]
3153 fn flush_fs_events<'a>(
3154 &self,
3155 cx: &'a gpui::TestAppContext,
3156 ) -> futures::future::LocalBoxFuture<'a, ()>;
3157}
3158
3159impl WorktreeHandle for ModelHandle<Worktree> {
3160 // When the worktree's FS event stream sometimes delivers "redundant" events for FS changes that
3161 // occurred before the worktree was constructed. These events can cause the worktree to perfrom
3162 // extra directory scans, and emit extra scan-state notifications.
3163 //
3164 // This function mutates the worktree's directory and waits for those mutations to be picked up,
3165 // to ensure that all redundant FS events have already been processed.
3166 #[cfg(any(test, feature = "test-support"))]
3167 fn flush_fs_events<'a>(
3168 &self,
3169 cx: &'a gpui::TestAppContext,
3170 ) -> futures::future::LocalBoxFuture<'a, ()> {
3171 use smol::future::FutureExt;
3172
3173 let filename = "fs-event-sentinel";
3174 let tree = self.clone();
3175 let (fs, root_path) = self.read_with(cx, |tree, _| {
3176 let tree = tree.as_local().unwrap();
3177 (tree.fs.clone(), tree.abs_path().clone())
3178 });
3179
3180 async move {
3181 fs.create_file(&root_path.join(filename), Default::default())
3182 .await
3183 .unwrap();
3184 tree.condition(cx, |tree, _| tree.entry_for_path(filename).is_some())
3185 .await;
3186
3187 fs.remove_file(&root_path.join(filename), Default::default())
3188 .await
3189 .unwrap();
3190 tree.condition(cx, |tree, _| tree.entry_for_path(filename).is_none())
3191 .await;
3192
3193 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3194 .await;
3195 }
3196 .boxed_local()
3197 }
3198}
3199
3200#[derive(Clone, Debug)]
3201struct TraversalProgress<'a> {
3202 max_path: &'a Path,
3203 count: usize,
3204 visible_count: usize,
3205 file_count: usize,
3206 visible_file_count: usize,
3207}
3208
3209impl<'a> TraversalProgress<'a> {
3210 fn count(&self, include_dirs: bool, include_ignored: bool) -> usize {
3211 match (include_ignored, include_dirs) {
3212 (true, true) => self.count,
3213 (true, false) => self.file_count,
3214 (false, true) => self.visible_count,
3215 (false, false) => self.visible_file_count,
3216 }
3217 }
3218}
3219
3220impl<'a> sum_tree::Dimension<'a, EntrySummary> for TraversalProgress<'a> {
3221 fn add_summary(&mut self, summary: &'a EntrySummary, _: &()) {
3222 self.max_path = summary.max_path.as_ref();
3223 self.count += summary.count;
3224 self.visible_count += summary.visible_count;
3225 self.file_count += summary.file_count;
3226 self.visible_file_count += summary.visible_file_count;
3227 }
3228}
3229
3230impl<'a> Default for TraversalProgress<'a> {
3231 fn default() -> Self {
3232 Self {
3233 max_path: Path::new(""),
3234 count: 0,
3235 visible_count: 0,
3236 file_count: 0,
3237 visible_file_count: 0,
3238 }
3239 }
3240}
3241
3242pub struct Traversal<'a> {
3243 cursor: sum_tree::Cursor<'a, Entry, TraversalProgress<'a>>,
3244 include_ignored: bool,
3245 include_dirs: bool,
3246}
3247
3248impl<'a> Traversal<'a> {
3249 pub fn advance(&mut self) -> bool {
3250 self.advance_to_offset(self.offset() + 1)
3251 }
3252
3253 pub fn advance_to_offset(&mut self, offset: usize) -> bool {
3254 self.cursor.seek_forward(
3255 &TraversalTarget::Count {
3256 count: offset,
3257 include_dirs: self.include_dirs,
3258 include_ignored: self.include_ignored,
3259 },
3260 Bias::Right,
3261 &(),
3262 )
3263 }
3264
3265 pub fn advance_to_sibling(&mut self) -> bool {
3266 while let Some(entry) = self.cursor.item() {
3267 self.cursor.seek_forward(
3268 &TraversalTarget::PathSuccessor(&entry.path),
3269 Bias::Left,
3270 &(),
3271 );
3272 if let Some(entry) = self.cursor.item() {
3273 if (self.include_dirs || !entry.is_dir())
3274 && (self.include_ignored || !entry.is_ignored)
3275 {
3276 return true;
3277 }
3278 }
3279 }
3280 false
3281 }
3282
3283 pub fn entry(&self) -> Option<&'a Entry> {
3284 self.cursor.item()
3285 }
3286
3287 pub fn offset(&self) -> usize {
3288 self.cursor
3289 .start()
3290 .count(self.include_dirs, self.include_ignored)
3291 }
3292}
3293
3294impl<'a> Iterator for Traversal<'a> {
3295 type Item = &'a Entry;
3296
3297 fn next(&mut self) -> Option<Self::Item> {
3298 if let Some(item) = self.entry() {
3299 self.advance();
3300 Some(item)
3301 } else {
3302 None
3303 }
3304 }
3305}
3306
3307#[derive(Debug)]
3308enum TraversalTarget<'a> {
3309 Path(&'a Path),
3310 PathSuccessor(&'a Path),
3311 Count {
3312 count: usize,
3313 include_ignored: bool,
3314 include_dirs: bool,
3315 },
3316}
3317
3318impl<'a, 'b> SeekTarget<'a, EntrySummary, TraversalProgress<'a>> for TraversalTarget<'b> {
3319 fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &()) -> Ordering {
3320 match self {
3321 TraversalTarget::Path(path) => path.cmp(&cursor_location.max_path),
3322 TraversalTarget::PathSuccessor(path) => {
3323 if !cursor_location.max_path.starts_with(path) {
3324 Ordering::Equal
3325 } else {
3326 Ordering::Greater
3327 }
3328 }
3329 TraversalTarget::Count {
3330 count,
3331 include_dirs,
3332 include_ignored,
3333 } => Ord::cmp(
3334 count,
3335 &cursor_location.count(*include_dirs, *include_ignored),
3336 ),
3337 }
3338 }
3339}
3340
3341struct ChildEntriesIter<'a> {
3342 parent_path: &'a Path,
3343 traversal: Traversal<'a>,
3344}
3345
3346impl<'a> Iterator for ChildEntriesIter<'a> {
3347 type Item = &'a Entry;
3348
3349 fn next(&mut self) -> Option<Self::Item> {
3350 if let Some(item) = self.traversal.entry() {
3351 if item.path.starts_with(&self.parent_path) {
3352 self.traversal.advance_to_sibling();
3353 return Some(item);
3354 }
3355 }
3356 None
3357 }
3358}
3359
3360impl<'a> From<&'a Entry> for proto::Entry {
3361 fn from(entry: &'a Entry) -> Self {
3362 Self {
3363 id: entry.id.to_proto(),
3364 is_dir: entry.is_dir(),
3365 path: entry.path.to_string_lossy().into(),
3366 inode: entry.inode,
3367 mtime: Some(entry.mtime.into()),
3368 is_symlink: entry.is_symlink,
3369 is_ignored: entry.is_ignored,
3370 }
3371 }
3372}
3373
3374impl<'a> TryFrom<(&'a CharBag, proto::Entry)> for Entry {
3375 type Error = anyhow::Error;
3376
3377 fn try_from((root_char_bag, entry): (&'a CharBag, proto::Entry)) -> Result<Self> {
3378 if let Some(mtime) = entry.mtime {
3379 let kind = if entry.is_dir {
3380 EntryKind::Dir
3381 } else {
3382 let mut char_bag = *root_char_bag;
3383 char_bag.extend(entry.path.chars().map(|c| c.to_ascii_lowercase()));
3384 EntryKind::File(char_bag)
3385 };
3386 let path: Arc<Path> = PathBuf::from(entry.path).into();
3387 Ok(Entry {
3388 id: ProjectEntryId::from_proto(entry.id),
3389 kind,
3390 path,
3391 inode: entry.inode,
3392 mtime: mtime.into(),
3393 is_symlink: entry.is_symlink,
3394 is_ignored: entry.is_ignored,
3395 })
3396 } else {
3397 Err(anyhow!(
3398 "missing mtime in remote worktree entry {:?}",
3399 entry.path
3400 ))
3401 }
3402 }
3403}
3404
3405#[cfg(test)]
3406mod tests {
3407 use super::*;
3408 use fs::{FakeFs, RealFs};
3409 use gpui::{executor::Deterministic, TestAppContext};
3410 use pretty_assertions::assert_eq;
3411 use rand::prelude::*;
3412 use serde_json::json;
3413 use std::{env, fmt::Write};
3414 use util::{http::FakeHttpClient, test::temp_tree};
3415
3416 #[gpui::test]
3417 async fn test_traversal(cx: &mut TestAppContext) {
3418 let fs = FakeFs::new(cx.background());
3419 fs.insert_tree(
3420 "/root",
3421 json!({
3422 ".gitignore": "a/b\n",
3423 "a": {
3424 "b": "",
3425 "c": "",
3426 }
3427 }),
3428 )
3429 .await;
3430
3431 let http_client = FakeHttpClient::with_404_response();
3432 let client = cx.read(|cx| Client::new(http_client, cx));
3433
3434 let tree = Worktree::local(
3435 client,
3436 Path::new("/root"),
3437 true,
3438 fs,
3439 Default::default(),
3440 &mut cx.to_async(),
3441 )
3442 .await
3443 .unwrap();
3444 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3445 .await;
3446
3447 tree.read_with(cx, |tree, _| {
3448 assert_eq!(
3449 tree.entries(false)
3450 .map(|entry| entry.path.as_ref())
3451 .collect::<Vec<_>>(),
3452 vec![
3453 Path::new(""),
3454 Path::new(".gitignore"),
3455 Path::new("a"),
3456 Path::new("a/c"),
3457 ]
3458 );
3459 assert_eq!(
3460 tree.entries(true)
3461 .map(|entry| entry.path.as_ref())
3462 .collect::<Vec<_>>(),
3463 vec![
3464 Path::new(""),
3465 Path::new(".gitignore"),
3466 Path::new("a"),
3467 Path::new("a/b"),
3468 Path::new("a/c"),
3469 ]
3470 );
3471 })
3472 }
3473
3474 #[gpui::test(iterations = 10)]
3475 async fn test_circular_symlinks(executor: Arc<Deterministic>, cx: &mut TestAppContext) {
3476 let fs = FakeFs::new(cx.background());
3477 fs.insert_tree(
3478 "/root",
3479 json!({
3480 "lib": {
3481 "a": {
3482 "a.txt": ""
3483 },
3484 "b": {
3485 "b.txt": ""
3486 }
3487 }
3488 }),
3489 )
3490 .await;
3491 fs.insert_symlink("/root/lib/a/lib", "..".into()).await;
3492 fs.insert_symlink("/root/lib/b/lib", "..".into()).await;
3493
3494 let client = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
3495 let tree = Worktree::local(
3496 client,
3497 Path::new("/root"),
3498 true,
3499 fs.clone(),
3500 Default::default(),
3501 &mut cx.to_async(),
3502 )
3503 .await
3504 .unwrap();
3505
3506 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3507 .await;
3508
3509 tree.read_with(cx, |tree, _| {
3510 assert_eq!(
3511 tree.entries(false)
3512 .map(|entry| entry.path.as_ref())
3513 .collect::<Vec<_>>(),
3514 vec![
3515 Path::new(""),
3516 Path::new("lib"),
3517 Path::new("lib/a"),
3518 Path::new("lib/a/a.txt"),
3519 Path::new("lib/a/lib"),
3520 Path::new("lib/b"),
3521 Path::new("lib/b/b.txt"),
3522 Path::new("lib/b/lib"),
3523 ]
3524 );
3525 });
3526
3527 fs.rename(
3528 Path::new("/root/lib/a/lib"),
3529 Path::new("/root/lib/a/lib-2"),
3530 Default::default(),
3531 )
3532 .await
3533 .unwrap();
3534 executor.run_until_parked();
3535 tree.read_with(cx, |tree, _| {
3536 assert_eq!(
3537 tree.entries(false)
3538 .map(|entry| entry.path.as_ref())
3539 .collect::<Vec<_>>(),
3540 vec![
3541 Path::new(""),
3542 Path::new("lib"),
3543 Path::new("lib/a"),
3544 Path::new("lib/a/a.txt"),
3545 Path::new("lib/a/lib-2"),
3546 Path::new("lib/b"),
3547 Path::new("lib/b/b.txt"),
3548 Path::new("lib/b/lib"),
3549 ]
3550 );
3551 });
3552 }
3553
3554 #[gpui::test]
3555 async fn test_rescan_with_gitignore(cx: &mut TestAppContext) {
3556 let parent_dir = temp_tree(json!({
3557 ".gitignore": "ancestor-ignored-file1\nancestor-ignored-file2\n",
3558 "tree": {
3559 ".git": {},
3560 ".gitignore": "ignored-dir\n",
3561 "tracked-dir": {
3562 "tracked-file1": "",
3563 "ancestor-ignored-file1": "",
3564 },
3565 "ignored-dir": {
3566 "ignored-file1": ""
3567 }
3568 }
3569 }));
3570 let dir = parent_dir.path().join("tree");
3571
3572 let client = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
3573
3574 let tree = Worktree::local(
3575 client,
3576 dir.as_path(),
3577 true,
3578 Arc::new(RealFs),
3579 Default::default(),
3580 &mut cx.to_async(),
3581 )
3582 .await
3583 .unwrap();
3584 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3585 .await;
3586 tree.flush_fs_events(cx).await;
3587 cx.read(|cx| {
3588 let tree = tree.read(cx);
3589 assert!(
3590 !tree
3591 .entry_for_path("tracked-dir/tracked-file1")
3592 .unwrap()
3593 .is_ignored
3594 );
3595 assert!(
3596 tree.entry_for_path("tracked-dir/ancestor-ignored-file1")
3597 .unwrap()
3598 .is_ignored
3599 );
3600 assert!(
3601 tree.entry_for_path("ignored-dir/ignored-file1")
3602 .unwrap()
3603 .is_ignored
3604 );
3605 });
3606
3607 std::fs::write(dir.join("tracked-dir/tracked-file2"), "").unwrap();
3608 std::fs::write(dir.join("tracked-dir/ancestor-ignored-file2"), "").unwrap();
3609 std::fs::write(dir.join("ignored-dir/ignored-file2"), "").unwrap();
3610 tree.flush_fs_events(cx).await;
3611 cx.read(|cx| {
3612 let tree = tree.read(cx);
3613 assert!(
3614 !tree
3615 .entry_for_path("tracked-dir/tracked-file2")
3616 .unwrap()
3617 .is_ignored
3618 );
3619 assert!(
3620 tree.entry_for_path("tracked-dir/ancestor-ignored-file2")
3621 .unwrap()
3622 .is_ignored
3623 );
3624 assert!(
3625 tree.entry_for_path("ignored-dir/ignored-file2")
3626 .unwrap()
3627 .is_ignored
3628 );
3629 assert!(tree.entry_for_path(".git").unwrap().is_ignored);
3630 });
3631 }
3632
3633 #[gpui::test]
3634 async fn test_git_repository_for_path(cx: &mut TestAppContext) {
3635 let root = temp_tree(json!({
3636 "dir1": {
3637 ".git": {},
3638 "deps": {
3639 "dep1": {
3640 ".git": {},
3641 "src": {
3642 "a.txt": ""
3643 }
3644 }
3645 },
3646 "src": {
3647 "b.txt": ""
3648 }
3649 },
3650 "c.txt": "",
3651 }));
3652
3653 let http_client = FakeHttpClient::with_404_response();
3654 let client = cx.read(|cx| Client::new(http_client, cx));
3655 let tree = Worktree::local(
3656 client,
3657 root.path(),
3658 true,
3659 Arc::new(RealFs),
3660 Default::default(),
3661 &mut cx.to_async(),
3662 )
3663 .await
3664 .unwrap();
3665
3666 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3667 .await;
3668 tree.flush_fs_events(cx).await;
3669
3670 tree.read_with(cx, |tree, _cx| {
3671 let tree = tree.as_local().unwrap();
3672
3673 assert!(tree.repo_for("c.txt".as_ref()).is_none());
3674
3675 let entry = tree.repo_for("dir1/src/b.txt".as_ref()).unwrap();
3676 assert_eq!(
3677 entry
3678 .work_directory(tree)
3679 .map(|directory| directory.as_ref().to_owned()),
3680 Some(Path::new("dir1").to_owned())
3681 );
3682
3683 let entry = tree.repo_for("dir1/deps/dep1/src/a.txt".as_ref()).unwrap();
3684 assert_eq!(
3685 entry
3686 .work_directory(tree)
3687 .map(|directory| directory.as_ref().to_owned()),
3688 Some(Path::new("dir1/deps/dep1").to_owned())
3689 );
3690 });
3691
3692 let repo_update_events = Arc::new(Mutex::new(vec![]));
3693 tree.update(cx, |_, cx| {
3694 let repo_update_events = repo_update_events.clone();
3695 cx.subscribe(&tree, move |_, _, event, _| {
3696 if let Event::UpdatedGitRepositories(update) = event {
3697 repo_update_events.lock().push(update.clone());
3698 }
3699 })
3700 .detach();
3701 });
3702
3703 std::fs::write(root.path().join("dir1/.git/random_new_file"), "hello").unwrap();
3704 tree.flush_fs_events(cx).await;
3705
3706 assert_eq!(
3707 repo_update_events.lock()[0]
3708 .keys()
3709 .cloned()
3710 .collect::<Vec<Arc<Path>>>(),
3711 vec![Path::new("dir1").into()]
3712 );
3713
3714 std::fs::remove_dir_all(root.path().join("dir1/.git")).unwrap();
3715 tree.flush_fs_events(cx).await;
3716
3717 tree.read_with(cx, |tree, _cx| {
3718 let tree = tree.as_local().unwrap();
3719
3720 assert!(tree.repo_for("dir1/src/b.txt".as_ref()).is_none());
3721 });
3722 }
3723
3724 #[gpui::test]
3725 async fn test_write_file(cx: &mut TestAppContext) {
3726 let dir = temp_tree(json!({
3727 ".git": {},
3728 ".gitignore": "ignored-dir\n",
3729 "tracked-dir": {},
3730 "ignored-dir": {}
3731 }));
3732
3733 let client = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
3734
3735 let tree = Worktree::local(
3736 client,
3737 dir.path(),
3738 true,
3739 Arc::new(RealFs),
3740 Default::default(),
3741 &mut cx.to_async(),
3742 )
3743 .await
3744 .unwrap();
3745 cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
3746 .await;
3747 tree.flush_fs_events(cx).await;
3748
3749 tree.update(cx, |tree, cx| {
3750 tree.as_local().unwrap().write_file(
3751 Path::new("tracked-dir/file.txt"),
3752 "hello".into(),
3753 Default::default(),
3754 cx,
3755 )
3756 })
3757 .await
3758 .unwrap();
3759 tree.update(cx, |tree, cx| {
3760 tree.as_local().unwrap().write_file(
3761 Path::new("ignored-dir/file.txt"),
3762 "world".into(),
3763 Default::default(),
3764 cx,
3765 )
3766 })
3767 .await
3768 .unwrap();
3769
3770 tree.read_with(cx, |tree, _| {
3771 let tracked = tree.entry_for_path("tracked-dir/file.txt").unwrap();
3772 let ignored = tree.entry_for_path("ignored-dir/file.txt").unwrap();
3773 assert!(!tracked.is_ignored);
3774 assert!(ignored.is_ignored);
3775 });
3776 }
3777
3778 #[gpui::test(iterations = 30)]
3779 async fn test_create_directory_during_initial_scan(cx: &mut TestAppContext) {
3780 let client = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
3781
3782 let fs = FakeFs::new(cx.background());
3783 fs.insert_tree(
3784 "/root",
3785 json!({
3786 "b": {},
3787 "c": {},
3788 "d": {},
3789 }),
3790 )
3791 .await;
3792
3793 let tree = Worktree::local(
3794 client,
3795 "/root".as_ref(),
3796 true,
3797 fs,
3798 Default::default(),
3799 &mut cx.to_async(),
3800 )
3801 .await
3802 .unwrap();
3803
3804 let mut snapshot1 = tree.update(cx, |tree, _| tree.as_local().unwrap().snapshot());
3805
3806 let entry = tree
3807 .update(cx, |tree, cx| {
3808 tree.as_local_mut()
3809 .unwrap()
3810 .create_entry("a/e".as_ref(), true, cx)
3811 })
3812 .await
3813 .unwrap();
3814 assert!(entry.is_dir());
3815
3816 cx.foreground().run_until_parked();
3817 tree.read_with(cx, |tree, _| {
3818 assert_eq!(tree.entry_for_path("a/e").unwrap().kind, EntryKind::Dir);
3819 });
3820
3821 let snapshot2 = tree.update(cx, |tree, _| tree.as_local().unwrap().snapshot());
3822 let update = snapshot2.build_update(&snapshot1, 0, 0, true);
3823 snapshot1.apply_remote_update(update).unwrap();
3824 assert_eq!(snapshot1.to_vec(true), snapshot2.to_vec(true),);
3825 }
3826
3827 #[gpui::test(iterations = 100)]
3828 async fn test_random_worktree_operations_during_initial_scan(
3829 cx: &mut TestAppContext,
3830 mut rng: StdRng,
3831 ) {
3832 let operations = env::var("OPERATIONS")
3833 .map(|o| o.parse().unwrap())
3834 .unwrap_or(5);
3835 let initial_entries = env::var("INITIAL_ENTRIES")
3836 .map(|o| o.parse().unwrap())
3837 .unwrap_or(20);
3838
3839 let root_dir = Path::new("/test");
3840 let fs = FakeFs::new(cx.background()) as Arc<dyn Fs>;
3841 fs.as_fake().insert_tree(root_dir, json!({})).await;
3842 for _ in 0..initial_entries {
3843 randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
3844 }
3845 log::info!("generated initial tree");
3846
3847 let client = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
3848 let worktree = Worktree::local(
3849 client.clone(),
3850 root_dir,
3851 true,
3852 fs.clone(),
3853 Default::default(),
3854 &mut cx.to_async(),
3855 )
3856 .await
3857 .unwrap();
3858
3859 let mut snapshot = worktree.update(cx, |tree, _| tree.as_local().unwrap().snapshot());
3860
3861 for _ in 0..operations {
3862 worktree
3863 .update(cx, |worktree, cx| {
3864 randomly_mutate_worktree(worktree, &mut rng, cx)
3865 })
3866 .await
3867 .log_err();
3868 worktree.read_with(cx, |tree, _| {
3869 tree.as_local().unwrap().snapshot.check_invariants()
3870 });
3871
3872 if rng.gen_bool(0.6) {
3873 let new_snapshot =
3874 worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
3875 let update = new_snapshot.build_update(&snapshot, 0, 0, true);
3876 snapshot.apply_remote_update(update.clone()).unwrap();
3877 assert_eq!(
3878 snapshot.to_vec(true),
3879 new_snapshot.to_vec(true),
3880 "incorrect snapshot after update {:?}",
3881 update
3882 );
3883 }
3884 }
3885
3886 worktree
3887 .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
3888 .await;
3889 worktree.read_with(cx, |tree, _| {
3890 tree.as_local().unwrap().snapshot.check_invariants()
3891 });
3892
3893 let new_snapshot = worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
3894 let update = new_snapshot.build_update(&snapshot, 0, 0, true);
3895 snapshot.apply_remote_update(update.clone()).unwrap();
3896 assert_eq!(
3897 snapshot.to_vec(true),
3898 new_snapshot.to_vec(true),
3899 "incorrect snapshot after update {:?}",
3900 update
3901 );
3902 }
3903
3904 #[gpui::test(iterations = 100)]
3905 async fn test_random_worktree_changes(cx: &mut TestAppContext, mut rng: StdRng) {
3906 let operations = env::var("OPERATIONS")
3907 .map(|o| o.parse().unwrap())
3908 .unwrap_or(40);
3909 let initial_entries = env::var("INITIAL_ENTRIES")
3910 .map(|o| o.parse().unwrap())
3911 .unwrap_or(20);
3912
3913 let root_dir = Path::new("/test");
3914 let fs = FakeFs::new(cx.background()) as Arc<dyn Fs>;
3915 fs.as_fake().insert_tree(root_dir, json!({})).await;
3916 for _ in 0..initial_entries {
3917 randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
3918 }
3919 log::info!("generated initial tree");
3920
3921 let client = cx.read(|cx| Client::new(FakeHttpClient::with_404_response(), cx));
3922 let worktree = Worktree::local(
3923 client.clone(),
3924 root_dir,
3925 true,
3926 fs.clone(),
3927 Default::default(),
3928 &mut cx.to_async(),
3929 )
3930 .await
3931 .unwrap();
3932
3933 worktree
3934 .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
3935 .await;
3936
3937 // After the initial scan is complete, the `UpdatedEntries` event can
3938 // be used to follow along with all changes to the worktree's snapshot.
3939 worktree.update(cx, |tree, cx| {
3940 let mut paths = tree
3941 .as_local()
3942 .unwrap()
3943 .paths()
3944 .cloned()
3945 .collect::<Vec<_>>();
3946
3947 cx.subscribe(&worktree, move |tree, _, event, _| {
3948 if let Event::UpdatedEntries(changes) = event {
3949 for (path, change_type) in changes.iter() {
3950 let path = path.clone();
3951 let ix = match paths.binary_search(&path) {
3952 Ok(ix) | Err(ix) => ix,
3953 };
3954 match change_type {
3955 PathChange::Added => {
3956 assert_ne!(paths.get(ix), Some(&path));
3957 paths.insert(ix, path);
3958 }
3959 PathChange::Removed => {
3960 assert_eq!(paths.get(ix), Some(&path));
3961 paths.remove(ix);
3962 }
3963 PathChange::Updated => {
3964 assert_eq!(paths.get(ix), Some(&path));
3965 }
3966 PathChange::AddedOrUpdated => {
3967 if paths[ix] != path {
3968 paths.insert(ix, path);
3969 }
3970 }
3971 }
3972 }
3973 let new_paths = tree.paths().cloned().collect::<Vec<_>>();
3974 assert_eq!(paths, new_paths, "incorrect changes: {:?}", changes);
3975 }
3976 })
3977 .detach();
3978 });
3979
3980 let mut snapshots = Vec::new();
3981 let mut mutations_len = operations;
3982 while mutations_len > 1 {
3983 randomly_mutate_fs(&fs, root_dir, 1.0, &mut rng).await;
3984 let buffered_event_count = fs.as_fake().buffered_event_count().await;
3985 if buffered_event_count > 0 && rng.gen_bool(0.3) {
3986 let len = rng.gen_range(0..=buffered_event_count);
3987 log::info!("flushing {} events", len);
3988 fs.as_fake().flush_events(len).await;
3989 } else {
3990 randomly_mutate_fs(&fs, root_dir, 0.6, &mut rng).await;
3991 mutations_len -= 1;
3992 }
3993
3994 cx.foreground().run_until_parked();
3995 if rng.gen_bool(0.2) {
3996 log::info!("storing snapshot {}", snapshots.len());
3997 let snapshot =
3998 worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
3999 snapshots.push(snapshot);
4000 }
4001 }
4002
4003 log::info!("quiescing");
4004 fs.as_fake().flush_events(usize::MAX).await;
4005 cx.foreground().run_until_parked();
4006 let snapshot = worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
4007 snapshot.check_invariants();
4008
4009 {
4010 let new_worktree = Worktree::local(
4011 client.clone(),
4012 root_dir,
4013 true,
4014 fs.clone(),
4015 Default::default(),
4016 &mut cx.to_async(),
4017 )
4018 .await
4019 .unwrap();
4020 new_worktree
4021 .update(cx, |tree, _| tree.as_local_mut().unwrap().scan_complete())
4022 .await;
4023 let new_snapshot =
4024 new_worktree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
4025 assert_eq!(snapshot.to_vec(true), new_snapshot.to_vec(true));
4026 }
4027
4028 for (i, mut prev_snapshot) in snapshots.into_iter().enumerate() {
4029 let include_ignored = rng.gen::<bool>();
4030 if !include_ignored {
4031 let mut entries_by_path_edits = Vec::new();
4032 let mut entries_by_id_edits = Vec::new();
4033 for entry in prev_snapshot
4034 .entries_by_id
4035 .cursor::<()>()
4036 .filter(|e| e.is_ignored)
4037 {
4038 entries_by_path_edits.push(Edit::Remove(PathKey(entry.path.clone())));
4039 entries_by_id_edits.push(Edit::Remove(entry.id));
4040 }
4041
4042 prev_snapshot
4043 .entries_by_path
4044 .edit(entries_by_path_edits, &());
4045 prev_snapshot.entries_by_id.edit(entries_by_id_edits, &());
4046 }
4047
4048 let update = snapshot.build_update(&prev_snapshot, 0, 0, include_ignored);
4049 prev_snapshot.apply_remote_update(update.clone()).unwrap();
4050 assert_eq!(
4051 prev_snapshot.to_vec(include_ignored),
4052 snapshot.to_vec(include_ignored),
4053 "wrong update for snapshot {i}. update: {:?}",
4054 update
4055 );
4056 }
4057 }
4058
4059 fn randomly_mutate_worktree(
4060 worktree: &mut Worktree,
4061 rng: &mut impl Rng,
4062 cx: &mut ModelContext<Worktree>,
4063 ) -> Task<Result<()>> {
4064 let worktree = worktree.as_local_mut().unwrap();
4065 let snapshot = worktree.snapshot();
4066 let entry = snapshot.entries(false).choose(rng).unwrap();
4067
4068 match rng.gen_range(0_u32..100) {
4069 0..=33 if entry.path.as_ref() != Path::new("") => {
4070 log::info!("deleting entry {:?} ({})", entry.path, entry.id.0);
4071 worktree.delete_entry(entry.id, cx).unwrap()
4072 }
4073 ..=66 if entry.path.as_ref() != Path::new("") => {
4074 let other_entry = snapshot.entries(false).choose(rng).unwrap();
4075 let new_parent_path = if other_entry.is_dir() {
4076 other_entry.path.clone()
4077 } else {
4078 other_entry.path.parent().unwrap().into()
4079 };
4080 let mut new_path = new_parent_path.join(gen_name(rng));
4081 if new_path.starts_with(&entry.path) {
4082 new_path = gen_name(rng).into();
4083 }
4084
4085 log::info!(
4086 "renaming entry {:?} ({}) to {:?}",
4087 entry.path,
4088 entry.id.0,
4089 new_path
4090 );
4091 let task = worktree.rename_entry(entry.id, new_path, cx).unwrap();
4092 cx.foreground().spawn(async move {
4093 task.await?;
4094 Ok(())
4095 })
4096 }
4097 _ => {
4098 let task = if entry.is_dir() {
4099 let child_path = entry.path.join(gen_name(rng));
4100 let is_dir = rng.gen_bool(0.3);
4101 log::info!(
4102 "creating {} at {:?}",
4103 if is_dir { "dir" } else { "file" },
4104 child_path,
4105 );
4106 worktree.create_entry(child_path, is_dir, cx)
4107 } else {
4108 log::info!("overwriting file {:?} ({})", entry.path, entry.id.0);
4109 worktree.write_file(entry.path.clone(), "".into(), Default::default(), cx)
4110 };
4111 cx.foreground().spawn(async move {
4112 task.await?;
4113 Ok(())
4114 })
4115 }
4116 }
4117 }
4118
4119 async fn randomly_mutate_fs(
4120 fs: &Arc<dyn Fs>,
4121 root_path: &Path,
4122 insertion_probability: f64,
4123 rng: &mut impl Rng,
4124 ) {
4125 let mut files = Vec::new();
4126 let mut dirs = Vec::new();
4127 for path in fs.as_fake().paths() {
4128 if path.starts_with(root_path) {
4129 if fs.is_file(&path).await {
4130 files.push(path);
4131 } else {
4132 dirs.push(path);
4133 }
4134 }
4135 }
4136
4137 if (files.is_empty() && dirs.len() == 1) || rng.gen_bool(insertion_probability) {
4138 let path = dirs.choose(rng).unwrap();
4139 let new_path = path.join(gen_name(rng));
4140
4141 if rng.gen() {
4142 log::info!(
4143 "creating dir {:?}",
4144 new_path.strip_prefix(root_path).unwrap()
4145 );
4146 fs.create_dir(&new_path).await.unwrap();
4147 } else {
4148 log::info!(
4149 "creating file {:?}",
4150 new_path.strip_prefix(root_path).unwrap()
4151 );
4152 fs.create_file(&new_path, Default::default()).await.unwrap();
4153 }
4154 } else if rng.gen_bool(0.05) {
4155 let ignore_dir_path = dirs.choose(rng).unwrap();
4156 let ignore_path = ignore_dir_path.join(&*GITIGNORE);
4157
4158 let subdirs = dirs
4159 .iter()
4160 .filter(|d| d.starts_with(&ignore_dir_path))
4161 .cloned()
4162 .collect::<Vec<_>>();
4163 let subfiles = files
4164 .iter()
4165 .filter(|d| d.starts_with(&ignore_dir_path))
4166 .cloned()
4167 .collect::<Vec<_>>();
4168 let files_to_ignore = {
4169 let len = rng.gen_range(0..=subfiles.len());
4170 subfiles.choose_multiple(rng, len)
4171 };
4172 let dirs_to_ignore = {
4173 let len = rng.gen_range(0..subdirs.len());
4174 subdirs.choose_multiple(rng, len)
4175 };
4176
4177 let mut ignore_contents = String::new();
4178 for path_to_ignore in files_to_ignore.chain(dirs_to_ignore) {
4179 writeln!(
4180 ignore_contents,
4181 "{}",
4182 path_to_ignore
4183 .strip_prefix(&ignore_dir_path)
4184 .unwrap()
4185 .to_str()
4186 .unwrap()
4187 )
4188 .unwrap();
4189 }
4190 log::info!(
4191 "creating gitignore {:?} with contents:\n{}",
4192 ignore_path.strip_prefix(&root_path).unwrap(),
4193 ignore_contents
4194 );
4195 fs.save(
4196 &ignore_path,
4197 &ignore_contents.as_str().into(),
4198 Default::default(),
4199 )
4200 .await
4201 .unwrap();
4202 } else {
4203 let old_path = {
4204 let file_path = files.choose(rng);
4205 let dir_path = dirs[1..].choose(rng);
4206 file_path.into_iter().chain(dir_path).choose(rng).unwrap()
4207 };
4208
4209 let is_rename = rng.gen();
4210 if is_rename {
4211 let new_path_parent = dirs
4212 .iter()
4213 .filter(|d| !d.starts_with(old_path))
4214 .choose(rng)
4215 .unwrap();
4216
4217 let overwrite_existing_dir =
4218 !old_path.starts_with(&new_path_parent) && rng.gen_bool(0.3);
4219 let new_path = if overwrite_existing_dir {
4220 fs.remove_dir(
4221 &new_path_parent,
4222 RemoveOptions {
4223 recursive: true,
4224 ignore_if_not_exists: true,
4225 },
4226 )
4227 .await
4228 .unwrap();
4229 new_path_parent.to_path_buf()
4230 } else {
4231 new_path_parent.join(gen_name(rng))
4232 };
4233
4234 log::info!(
4235 "renaming {:?} to {}{:?}",
4236 old_path.strip_prefix(&root_path).unwrap(),
4237 if overwrite_existing_dir {
4238 "overwrite "
4239 } else {
4240 ""
4241 },
4242 new_path.strip_prefix(&root_path).unwrap()
4243 );
4244 fs.rename(
4245 &old_path,
4246 &new_path,
4247 fs::RenameOptions {
4248 overwrite: true,
4249 ignore_if_exists: true,
4250 },
4251 )
4252 .await
4253 .unwrap();
4254 } else if fs.is_file(&old_path).await {
4255 log::info!(
4256 "deleting file {:?}",
4257 old_path.strip_prefix(&root_path).unwrap()
4258 );
4259 fs.remove_file(old_path, Default::default()).await.unwrap();
4260 } else {
4261 log::info!(
4262 "deleting dir {:?}",
4263 old_path.strip_prefix(&root_path).unwrap()
4264 );
4265 fs.remove_dir(
4266 &old_path,
4267 RemoveOptions {
4268 recursive: true,
4269 ignore_if_not_exists: true,
4270 },
4271 )
4272 .await
4273 .unwrap();
4274 }
4275 }
4276 }
4277
4278 fn gen_name(rng: &mut impl Rng) -> String {
4279 (0..6)
4280 .map(|_| rng.sample(rand::distributions::Alphanumeric))
4281 .map(char::from)
4282 .collect()
4283 }
4284
4285 impl LocalSnapshot {
4286 fn check_invariants(&self) {
4287 assert_eq!(
4288 self.entries_by_path
4289 .cursor::<()>()
4290 .map(|e| (&e.path, e.id))
4291 .collect::<Vec<_>>(),
4292 self.entries_by_id
4293 .cursor::<()>()
4294 .map(|e| (&e.path, e.id))
4295 .collect::<collections::BTreeSet<_>>()
4296 .into_iter()
4297 .collect::<Vec<_>>(),
4298 "entries_by_path and entries_by_id are inconsistent"
4299 );
4300
4301 let mut files = self.files(true, 0);
4302 let mut visible_files = self.files(false, 0);
4303 for entry in self.entries_by_path.cursor::<()>() {
4304 if entry.is_file() {
4305 assert_eq!(files.next().unwrap().inode, entry.inode);
4306 if !entry.is_ignored {
4307 assert_eq!(visible_files.next().unwrap().inode, entry.inode);
4308 }
4309 }
4310 }
4311
4312 assert!(files.next().is_none());
4313 assert!(visible_files.next().is_none());
4314
4315 let mut bfs_paths = Vec::new();
4316 let mut stack = vec![Path::new("")];
4317 while let Some(path) = stack.pop() {
4318 bfs_paths.push(path);
4319 let ix = stack.len();
4320 for child_entry in self.child_entries(path) {
4321 stack.insert(ix, &child_entry.path);
4322 }
4323 }
4324
4325 let dfs_paths_via_iter = self
4326 .entries_by_path
4327 .cursor::<()>()
4328 .map(|e| e.path.as_ref())
4329 .collect::<Vec<_>>();
4330 assert_eq!(bfs_paths, dfs_paths_via_iter);
4331
4332 let dfs_paths_via_traversal = self
4333 .entries(true)
4334 .map(|e| e.path.as_ref())
4335 .collect::<Vec<_>>();
4336 assert_eq!(dfs_paths_via_traversal, dfs_paths_via_iter);
4337
4338 for ignore_parent_abs_path in self.ignores_by_parent_abs_path.keys() {
4339 let ignore_parent_path =
4340 ignore_parent_abs_path.strip_prefix(&self.abs_path).unwrap();
4341 assert!(self.entry_for_path(&ignore_parent_path).is_some());
4342 assert!(self
4343 .entry_for_path(ignore_parent_path.join(&*GITIGNORE))
4344 .is_some());
4345 }
4346 }
4347
4348 fn to_vec(&self, include_ignored: bool) -> Vec<(&Path, u64, bool)> {
4349 let mut paths = Vec::new();
4350 for entry in self.entries_by_path.cursor::<()>() {
4351 if include_ignored || !entry.is_ignored {
4352 paths.push((entry.path.as_ref(), entry.inode, entry.is_ignored));
4353 }
4354 }
4355 paths.sort_by(|a, b| a.0.cmp(b.0));
4356 paths
4357 }
4358 }
4359}