1mod ignore;
2mod worktree_settings;
3#[cfg(test)]
4mod worktree_tests;
5
6use ::ignore::gitignore::{Gitignore, GitignoreBuilder};
7use anyhow::{anyhow, Context as _, Result};
8use clock::ReplicaId;
9use collections::{HashMap, HashSet, VecDeque};
10use fs::{copy_recursive, Fs, MTime, PathEvent, RemoveOptions, Watcher};
11use futures::{
12 channel::{
13 mpsc::{self, UnboundedSender},
14 oneshot,
15 },
16 future::join_all,
17 select_biased,
18 task::Poll,
19 FutureExt as _, Stream, StreamExt,
20};
21use fuzzy::CharBag;
22use git::{
23 repository::{Branch, GitRepository, RepoPath, UpstreamTrackingStatus},
24 status::{
25 FileStatus, GitSummary, StatusCode, TrackedStatus, UnmergedStatus, UnmergedStatusCode,
26 },
27 GitHostingProviderRegistry, COMMIT_MESSAGE, DOT_GIT, FSMONITOR_DAEMON, GITIGNORE, INDEX_LOCK,
28 LFS_DIR,
29};
30use gpui::{
31 App, AppContext as _, AsyncApp, BackgroundExecutor, Context, Entity, EventEmitter, Task,
32};
33use ignore::IgnoreStack;
34use language::DiskState;
35
36use parking_lot::Mutex;
37use paths::local_settings_folder_relative_path;
38use postage::{
39 barrier,
40 prelude::{Sink as _, Stream as _},
41 watch,
42};
43use rpc::{
44 proto::{self, split_worktree_update, FromProto, ToProto},
45 AnyProtoClient,
46};
47pub use settings::WorktreeId;
48use settings::{Settings, SettingsLocation, SettingsStore};
49use smallvec::{smallvec, SmallVec};
50use smol::channel::{self, Sender};
51use std::{
52 any::Any,
53 cmp::Ordering,
54 collections::hash_map,
55 convert::TryFrom,
56 ffi::OsStr,
57 fmt,
58 future::Future,
59 mem::{self},
60 ops::{Deref, DerefMut},
61 path::{Component, Path, PathBuf},
62 pin::Pin,
63 sync::{
64 atomic::{self, AtomicU32, AtomicUsize, Ordering::SeqCst},
65 Arc,
66 },
67 time::{Duration, Instant},
68};
69use sum_tree::{
70 Bias, Cursor, Edit, KeyedItem, SeekTarget, SumTree, Summary, TreeMap, TreeSet, Unit,
71};
72use text::{LineEnding, Rope};
73use util::{
74 paths::{home_dir, PathMatcher, SanitizedPath},
75 ResultExt,
76};
77pub use worktree_settings::WorktreeSettings;
78
79#[cfg(feature = "test-support")]
80pub const FS_WATCH_LATENCY: Duration = Duration::from_millis(100);
81#[cfg(not(feature = "test-support"))]
82pub const FS_WATCH_LATENCY: Duration = Duration::from_millis(100);
83
84/// A set of local or remote files that are being opened as part of a project.
85/// Responsible for tracking related FS (for local)/collab (for remote) events and corresponding updates.
86/// Stores git repositories data and the diagnostics for the file(s).
87///
88/// Has an absolute path, and may be set to be visible in Zed UI or not.
89/// May correspond to a directory or a single file.
90/// Possible examples:
91/// * a drag and dropped file — may be added as an invisible, "ephemeral" entry to the current worktree
92/// * a directory opened in Zed — may be added as a visible entry to the current worktree
93///
94/// Uses [`Entry`] to track the state of each file/directory, can look up absolute paths for entries.
95pub enum Worktree {
96 Local(LocalWorktree),
97 Remote(RemoteWorktree),
98}
99
100/// An entry, created in the worktree.
101#[derive(Debug)]
102pub enum CreatedEntry {
103 /// Got created and indexed by the worktree, receiving a corresponding entry.
104 Included(Entry),
105 /// Got created, but not indexed due to falling under exclusion filters.
106 Excluded { abs_path: PathBuf },
107}
108
109pub struct LoadedFile {
110 pub file: Arc<File>,
111 pub text: String,
112}
113
114pub struct LoadedBinaryFile {
115 pub file: Arc<File>,
116 pub content: Vec<u8>,
117}
118
119pub struct LocalWorktree {
120 snapshot: LocalSnapshot,
121 scan_requests_tx: channel::Sender<ScanRequest>,
122 path_prefixes_to_scan_tx: channel::Sender<PathPrefixScanRequest>,
123 is_scanning: (watch::Sender<bool>, watch::Receiver<bool>),
124 _background_scanner_tasks: Vec<Task<()>>,
125 update_observer: Option<UpdateObservationState>,
126 fs: Arc<dyn Fs>,
127 fs_case_sensitive: bool,
128 visible: bool,
129 next_entry_id: Arc<AtomicUsize>,
130 settings: WorktreeSettings,
131 share_private_files: bool,
132}
133
134pub struct PathPrefixScanRequest {
135 path: Arc<Path>,
136 done: SmallVec<[barrier::Sender; 1]>,
137}
138
139struct ScanRequest {
140 relative_paths: Vec<Arc<Path>>,
141 done: SmallVec<[barrier::Sender; 1]>,
142}
143
144pub struct RemoteWorktree {
145 snapshot: Snapshot,
146 background_snapshot: Arc<Mutex<(Snapshot, Vec<proto::UpdateWorktree>)>>,
147 project_id: u64,
148 client: AnyProtoClient,
149 file_scan_inclusions: PathMatcher,
150 updates_tx: Option<UnboundedSender<proto::UpdateWorktree>>,
151 update_observer: Option<mpsc::UnboundedSender<proto::UpdateWorktree>>,
152 snapshot_subscriptions: VecDeque<(usize, oneshot::Sender<()>)>,
153 replica_id: ReplicaId,
154 visible: bool,
155 disconnected: bool,
156}
157
158#[derive(Clone)]
159pub struct Snapshot {
160 id: WorktreeId,
161 abs_path: SanitizedPath,
162 root_name: String,
163 root_char_bag: CharBag,
164 entries_by_path: SumTree<Entry>,
165 entries_by_id: SumTree<PathEntry>,
166 always_included_entries: Vec<Arc<Path>>,
167 repositories: SumTree<RepositoryEntry>,
168
169 /// A number that increases every time the worktree begins scanning
170 /// a set of paths from the filesystem. This scanning could be caused
171 /// by some operation performed on the worktree, such as reading or
172 /// writing a file, or by an event reported by the filesystem.
173 scan_id: usize,
174
175 /// The latest scan id that has completed, and whose preceding scans
176 /// have all completed. The current `scan_id` could be more than one
177 /// greater than the `completed_scan_id` if operations are performed
178 /// on the worktree while it is processing a file-system event.
179 completed_scan_id: usize,
180}
181
182#[derive(Debug, Clone, PartialEq, Eq)]
183pub struct RepositoryEntry {
184 /// The git status entries for this repository.
185 /// Note that the paths on this repository are relative to the git work directory.
186 /// If the .git folder is external to Zed, these paths will be relative to that folder,
187 /// and this data structure might reference files external to this worktree.
188 ///
189 /// For example:
190 ///
191 /// my_root_folder/ <-- repository root
192 /// .git
193 /// my_sub_folder_1/
194 /// project_root/ <-- Project root, Zed opened here
195 /// changed_file_1 <-- File with changes, in worktree
196 /// my_sub_folder_2/
197 /// changed_file_2 <-- File with changes, out of worktree
198 /// ...
199 ///
200 /// With this setup, this field would contain 2 entries, like so:
201 /// - my_sub_folder_1/project_root/changed_file_1
202 /// - my_sub_folder_2/changed_file_2
203 pub(crate) statuses_by_path: SumTree<StatusEntry>,
204 work_directory_id: ProjectEntryId,
205 pub work_directory: WorkDirectory,
206 pub(crate) current_branch: Option<Branch>,
207 pub current_merge_conflicts: TreeSet<RepoPath>,
208}
209
210impl RepositoryEntry {
211 pub fn relativize(&self, path: &Path) -> Result<RepoPath> {
212 self.work_directory.relativize(path)
213 }
214
215 pub fn try_unrelativize(&self, path: &RepoPath) -> Option<Arc<Path>> {
216 self.work_directory.try_unrelativize(path)
217 }
218
219 pub fn unrelativize(&self, path: &RepoPath) -> Arc<Path> {
220 self.work_directory.unrelativize(path)
221 }
222
223 pub fn directory_contains(&self, path: impl AsRef<Path>) -> bool {
224 self.work_directory.directory_contains(path)
225 }
226
227 pub fn branch(&self) -> Option<&Branch> {
228 self.current_branch.as_ref()
229 }
230
231 pub fn work_directory_id(&self) -> ProjectEntryId {
232 self.work_directory_id
233 }
234
235 pub fn status(&self) -> impl Iterator<Item = StatusEntry> + '_ {
236 self.statuses_by_path.iter().cloned()
237 }
238
239 pub fn status_len(&self) -> usize {
240 self.statuses_by_path.summary().item_summary.count
241 }
242
243 pub fn status_summary(&self) -> GitSummary {
244 self.statuses_by_path.summary().item_summary
245 }
246
247 pub fn status_for_path(&self, path: &RepoPath) -> Option<StatusEntry> {
248 self.statuses_by_path
249 .get(&PathKey(path.0.clone()), &())
250 .cloned()
251 }
252
253 pub fn initial_update(&self) -> proto::RepositoryEntry {
254 proto::RepositoryEntry {
255 work_directory_id: self.work_directory_id.to_proto(),
256 branch: self
257 .current_branch
258 .as_ref()
259 .map(|branch| branch.name.to_string()),
260 branch_summary: self.current_branch.as_ref().map(branch_to_proto),
261 updated_statuses: self
262 .statuses_by_path
263 .iter()
264 .map(|entry| entry.to_proto())
265 .collect(),
266 removed_statuses: Default::default(),
267 current_merge_conflicts: self
268 .current_merge_conflicts
269 .iter()
270 .map(|repo_path| repo_path.to_proto())
271 .collect(),
272 }
273 }
274
275 pub fn build_update(&self, old: &Self) -> proto::RepositoryEntry {
276 let mut updated_statuses: Vec<proto::StatusEntry> = Vec::new();
277 let mut removed_statuses: Vec<String> = Vec::new();
278
279 let mut new_statuses = self.statuses_by_path.iter().peekable();
280 let mut old_statuses = old.statuses_by_path.iter().peekable();
281
282 let mut current_new_entry = new_statuses.next();
283 let mut current_old_entry = old_statuses.next();
284 loop {
285 match (current_new_entry, current_old_entry) {
286 (Some(new_entry), Some(old_entry)) => {
287 match new_entry.repo_path.cmp(&old_entry.repo_path) {
288 Ordering::Less => {
289 updated_statuses.push(new_entry.to_proto());
290 current_new_entry = new_statuses.next();
291 }
292 Ordering::Equal => {
293 if new_entry.status != old_entry.status {
294 updated_statuses.push(new_entry.to_proto());
295 }
296 current_old_entry = old_statuses.next();
297 current_new_entry = new_statuses.next();
298 }
299 Ordering::Greater => {
300 removed_statuses.push(old_entry.repo_path.as_ref().to_proto());
301 current_old_entry = old_statuses.next();
302 }
303 }
304 }
305 (None, Some(old_entry)) => {
306 removed_statuses.push(old_entry.repo_path.as_ref().to_proto());
307 current_old_entry = old_statuses.next();
308 }
309 (Some(new_entry), None) => {
310 updated_statuses.push(new_entry.to_proto());
311 current_new_entry = new_statuses.next();
312 }
313 (None, None) => break,
314 }
315 }
316
317 proto::RepositoryEntry {
318 work_directory_id: self.work_directory_id.to_proto(),
319 branch: self
320 .current_branch
321 .as_ref()
322 .map(|branch| branch.name.to_string()),
323 branch_summary: self.current_branch.as_ref().map(branch_to_proto),
324 updated_statuses,
325 removed_statuses,
326 current_merge_conflicts: self
327 .current_merge_conflicts
328 .iter()
329 .map(|path| path.as_ref().to_proto())
330 .collect(),
331 }
332 }
333}
334
335pub fn branch_to_proto(branch: &git::repository::Branch) -> proto::Branch {
336 proto::Branch {
337 is_head: branch.is_head,
338 name: branch.name.to_string(),
339 unix_timestamp: branch
340 .most_recent_commit
341 .as_ref()
342 .map(|commit| commit.commit_timestamp as u64),
343 upstream: branch.upstream.as_ref().map(|upstream| proto::GitUpstream {
344 ref_name: upstream.ref_name.to_string(),
345 tracking: upstream
346 .tracking
347 .status()
348 .map(|upstream| proto::UpstreamTracking {
349 ahead: upstream.ahead as u64,
350 behind: upstream.behind as u64,
351 }),
352 }),
353 most_recent_commit: branch
354 .most_recent_commit
355 .as_ref()
356 .map(|commit| proto::CommitSummary {
357 sha: commit.sha.to_string(),
358 subject: commit.subject.to_string(),
359 commit_timestamp: commit.commit_timestamp,
360 }),
361 }
362}
363
364pub fn proto_to_branch(proto: &proto::Branch) -> git::repository::Branch {
365 git::repository::Branch {
366 is_head: proto.is_head,
367 name: proto.name.clone().into(),
368 upstream: proto
369 .upstream
370 .as_ref()
371 .map(|upstream| git::repository::Upstream {
372 ref_name: upstream.ref_name.to_string().into(),
373 tracking: upstream
374 .tracking
375 .as_ref()
376 .map(|tracking| {
377 git::repository::UpstreamTracking::Tracked(UpstreamTrackingStatus {
378 ahead: tracking.ahead as u32,
379 behind: tracking.behind as u32,
380 })
381 })
382 .unwrap_or(git::repository::UpstreamTracking::Gone),
383 }),
384 most_recent_commit: proto.most_recent_commit.as_ref().map(|commit| {
385 git::repository::CommitSummary {
386 sha: commit.sha.to_string().into(),
387 subject: commit.subject.to_string().into(),
388 commit_timestamp: commit.commit_timestamp,
389 has_parent: true,
390 }
391 }),
392 }
393}
394
395/// This path corresponds to the 'content path' of a repository in relation
396/// to Zed's project root.
397/// In the majority of the cases, this is the folder that contains the .git folder.
398/// But if a sub-folder of a git repository is opened, this corresponds to the
399/// project root and the .git folder is located in a parent directory.
400#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq, Hash)]
401pub enum WorkDirectory {
402 InProject {
403 relative_path: Arc<Path>,
404 },
405 AboveProject {
406 absolute_path: Arc<Path>,
407 location_in_repo: Arc<Path>,
408 },
409}
410
411impl WorkDirectory {
412 #[cfg(test)]
413 fn in_project(path: &str) -> Self {
414 let path = Path::new(path);
415 Self::InProject {
416 relative_path: path.into(),
417 }
418 }
419
420 #[cfg(test)]
421 fn canonicalize(&self) -> Self {
422 match self {
423 WorkDirectory::InProject { relative_path } => WorkDirectory::InProject {
424 relative_path: relative_path.clone(),
425 },
426 WorkDirectory::AboveProject {
427 absolute_path,
428 location_in_repo,
429 } => WorkDirectory::AboveProject {
430 absolute_path: absolute_path.canonicalize().unwrap().into(),
431 location_in_repo: location_in_repo.clone(),
432 },
433 }
434 }
435
436 pub fn is_above_project(&self) -> bool {
437 match self {
438 WorkDirectory::InProject { .. } => false,
439 WorkDirectory::AboveProject { .. } => true,
440 }
441 }
442
443 fn path_key(&self) -> PathKey {
444 match self {
445 WorkDirectory::InProject { relative_path } => PathKey(relative_path.clone()),
446 WorkDirectory::AboveProject { .. } => PathKey(Path::new("").into()),
447 }
448 }
449
450 /// Returns true if the given path is a child of the work directory.
451 ///
452 /// Note that the path may not be a member of this repository, if there
453 /// is a repository in a directory between these two paths
454 /// external .git folder in a parent folder of the project root.
455 #[track_caller]
456 pub fn directory_contains(&self, path: impl AsRef<Path>) -> bool {
457 let path = path.as_ref();
458 debug_assert!(path.is_relative());
459 match self {
460 WorkDirectory::InProject { relative_path } => path.starts_with(relative_path),
461 WorkDirectory::AboveProject { .. } => true,
462 }
463 }
464
465 /// relativize returns the given project path relative to the root folder of the
466 /// repository.
467 /// If the root of the repository (and its .git folder) are located in a parent folder
468 /// of the project root folder, then the returned RepoPath is relative to the root
469 /// of the repository and not a valid path inside the project.
470 pub fn relativize(&self, path: &Path) -> Result<RepoPath> {
471 // path is assumed to be relative to worktree root.
472 debug_assert!(path.is_relative());
473 match self {
474 WorkDirectory::InProject { relative_path } => Ok(path
475 .strip_prefix(relative_path)
476 .map_err(|_| {
477 anyhow!(
478 "could not relativize {:?} against {:?}",
479 path,
480 relative_path
481 )
482 })?
483 .into()),
484 WorkDirectory::AboveProject {
485 location_in_repo, ..
486 } => {
487 // Avoid joining a `/` to location_in_repo in the case of a single-file worktree.
488 if path == Path::new("") {
489 Ok(RepoPath(location_in_repo.clone()))
490 } else {
491 Ok(location_in_repo.join(path).into())
492 }
493 }
494 }
495 }
496
497 /// This is the opposite operation to `relativize` above
498 pub fn try_unrelativize(&self, path: &RepoPath) -> Option<Arc<Path>> {
499 match self {
500 WorkDirectory::InProject { relative_path } => Some(relative_path.join(path).into()),
501 WorkDirectory::AboveProject {
502 location_in_repo, ..
503 } => {
504 // If we fail to strip the prefix, that means this status entry is
505 // external to this worktree, and we definitely won't have an entry_id
506 path.strip_prefix(location_in_repo).ok().map(Into::into)
507 }
508 }
509 }
510
511 pub fn unrelativize(&self, path: &RepoPath) -> Arc<Path> {
512 match self {
513 WorkDirectory::InProject { relative_path } => relative_path.join(path).into(),
514 WorkDirectory::AboveProject {
515 location_in_repo, ..
516 } => {
517 if &path.0 == location_in_repo {
518 // Single-file worktree
519 return location_in_repo
520 .file_name()
521 .map(Path::new)
522 .unwrap_or(Path::new(""))
523 .into();
524 }
525 let mut location_in_repo = &**location_in_repo;
526 let mut parents = PathBuf::new();
527 loop {
528 if let Ok(segment) = path.strip_prefix(location_in_repo) {
529 return parents.join(segment).into();
530 }
531 location_in_repo = location_in_repo.parent().unwrap_or(Path::new(""));
532 parents.push(Component::ParentDir);
533 }
534 }
535 }
536 }
537
538 pub fn display_name(&self) -> String {
539 match self {
540 WorkDirectory::InProject { relative_path } => relative_path.display().to_string(),
541 WorkDirectory::AboveProject {
542 absolute_path,
543 location_in_repo,
544 } => {
545 let num_of_dots = location_in_repo.components().count();
546
547 "../".repeat(num_of_dots)
548 + &absolute_path
549 .file_name()
550 .map(|s| s.to_string_lossy())
551 .unwrap_or_default()
552 + "/"
553 }
554 }
555 }
556}
557
558impl Default for WorkDirectory {
559 fn default() -> Self {
560 Self::InProject {
561 relative_path: Arc::from(Path::new("")),
562 }
563 }
564}
565
566#[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq)]
567pub struct WorkDirectoryEntry(ProjectEntryId);
568
569impl Deref for WorkDirectoryEntry {
570 type Target = ProjectEntryId;
571
572 fn deref(&self) -> &Self::Target {
573 &self.0
574 }
575}
576
577impl From<ProjectEntryId> for WorkDirectoryEntry {
578 fn from(value: ProjectEntryId) -> Self {
579 WorkDirectoryEntry(value)
580 }
581}
582
583#[derive(Debug, Clone)]
584pub struct LocalSnapshot {
585 snapshot: Snapshot,
586 /// All of the gitignore files in the worktree, indexed by their relative path.
587 /// The boolean indicates whether the gitignore needs to be updated.
588 ignores_by_parent_abs_path: HashMap<Arc<Path>, (Arc<Gitignore>, bool)>,
589 /// All of the git repositories in the worktree, indexed by the project entry
590 /// id of their parent directory.
591 git_repositories: TreeMap<ProjectEntryId, LocalRepositoryEntry>,
592 /// The file handle of the root dir
593 /// (so we can find it after it's been moved)
594 root_file_handle: Option<Arc<dyn fs::FileHandle>>,
595}
596
597struct BackgroundScannerState {
598 snapshot: LocalSnapshot,
599 scanned_dirs: HashSet<ProjectEntryId>,
600 path_prefixes_to_scan: HashSet<Arc<Path>>,
601 paths_to_scan: HashSet<Arc<Path>>,
602 /// The ids of all of the entries that were removed from the snapshot
603 /// as part of the current update. These entry ids may be re-used
604 /// if the same inode is discovered at a new path, or if the given
605 /// path is re-created after being deleted.
606 removed_entries: HashMap<u64, Entry>,
607 changed_paths: Vec<Arc<Path>>,
608 prev_snapshot: Snapshot,
609 git_hosting_provider_registry: Option<Arc<GitHostingProviderRegistry>>,
610 repository_scans: HashMap<PathKey, Task<()>>,
611}
612
613#[derive(Debug, Clone)]
614pub struct LocalRepositoryEntry {
615 pub(crate) work_directory_id: ProjectEntryId,
616 pub(crate) work_directory: WorkDirectory,
617 pub(crate) git_dir_scan_id: usize,
618 pub(crate) status_scan_id: usize,
619 pub(crate) repo_ptr: Arc<dyn GitRepository>,
620 /// Absolute path to the actual .git folder.
621 /// Note: if .git is a file, this points to the folder indicated by the .git file
622 pub(crate) dot_git_dir_abs_path: Arc<Path>,
623 /// Absolute path to the .git file, if we're in a git worktree.
624 pub(crate) dot_git_worktree_abs_path: Option<Arc<Path>>,
625 pub current_merge_head_shas: Vec<String>,
626 pub merge_message: Option<String>,
627}
628
629impl sum_tree::Item for LocalRepositoryEntry {
630 type Summary = PathSummary<Unit>;
631
632 fn summary(&self, _: &<Self::Summary as Summary>::Context) -> Self::Summary {
633 PathSummary {
634 max_path: self.work_directory.path_key().0,
635 item_summary: Unit,
636 }
637 }
638}
639
640impl KeyedItem for LocalRepositoryEntry {
641 type Key = PathKey;
642
643 fn key(&self) -> Self::Key {
644 self.work_directory.path_key()
645 }
646}
647
648impl LocalRepositoryEntry {
649 pub fn repo(&self) -> &Arc<dyn GitRepository> {
650 &self.repo_ptr
651 }
652}
653
654impl Deref for LocalRepositoryEntry {
655 type Target = WorkDirectory;
656
657 fn deref(&self) -> &Self::Target {
658 &self.work_directory
659 }
660}
661
662impl Deref for LocalSnapshot {
663 type Target = Snapshot;
664
665 fn deref(&self) -> &Self::Target {
666 &self.snapshot
667 }
668}
669
670impl DerefMut for LocalSnapshot {
671 fn deref_mut(&mut self) -> &mut Self::Target {
672 &mut self.snapshot
673 }
674}
675
676#[derive(Debug)]
677enum ScanState {
678 Started,
679 Updated {
680 snapshot: LocalSnapshot,
681 changes: UpdatedEntriesSet,
682 barrier: SmallVec<[barrier::Sender; 1]>,
683 scanning: bool,
684 },
685 RootUpdated {
686 new_path: Option<SanitizedPath>,
687 },
688}
689
690struct UpdateObservationState {
691 snapshots_tx:
692 mpsc::UnboundedSender<(LocalSnapshot, UpdatedEntriesSet, UpdatedGitRepositoriesSet)>,
693 resume_updates: watch::Sender<()>,
694 _maintain_remote_snapshot: Task<Option<()>>,
695}
696
697#[derive(Clone)]
698pub enum Event {
699 UpdatedEntries(UpdatedEntriesSet),
700 UpdatedGitRepositories(UpdatedGitRepositoriesSet),
701 DeletedEntry(ProjectEntryId),
702}
703
704const EMPTY_PATH: &str = "";
705
706impl EventEmitter<Event> for Worktree {}
707
708impl Worktree {
709 pub async fn local(
710 path: impl Into<Arc<Path>>,
711 visible: bool,
712 fs: Arc<dyn Fs>,
713 next_entry_id: Arc<AtomicUsize>,
714 cx: &mut AsyncApp,
715 ) -> Result<Entity<Self>> {
716 let abs_path = path.into();
717 let metadata = fs
718 .metadata(&abs_path)
719 .await
720 .context("failed to stat worktree path")?;
721
722 let fs_case_sensitive = fs.is_case_sensitive().await.unwrap_or_else(|e| {
723 log::error!(
724 "Failed to determine whether filesystem is case sensitive (falling back to true) due to error: {e:#}"
725 );
726 true
727 });
728
729 let root_file_handle = fs.open_handle(&abs_path).await.log_err();
730
731 cx.new(move |cx: &mut Context<Worktree>| {
732 let mut snapshot = LocalSnapshot {
733 ignores_by_parent_abs_path: Default::default(),
734 git_repositories: Default::default(),
735 snapshot: Snapshot::new(
736 cx.entity_id().as_u64(),
737 abs_path
738 .file_name()
739 .map_or(String::new(), |f| f.to_string_lossy().to_string()),
740 abs_path.clone(),
741 ),
742 root_file_handle,
743 };
744
745 let worktree_id = snapshot.id();
746 let settings_location = Some(SettingsLocation {
747 worktree_id,
748 path: Path::new(EMPTY_PATH),
749 });
750
751 let settings = WorktreeSettings::get(settings_location, cx).clone();
752 cx.observe_global::<SettingsStore>(move |this, cx| {
753 if let Self::Local(this) = this {
754 let settings = WorktreeSettings::get(settings_location, cx).clone();
755 if this.settings != settings {
756 this.settings = settings;
757 this.restart_background_scanners(cx);
758 }
759 }
760 })
761 .detach();
762
763 let share_private_files = false;
764 if let Some(metadata) = metadata {
765 let mut entry = Entry::new(
766 Arc::from(Path::new("")),
767 &metadata,
768 &next_entry_id,
769 snapshot.root_char_bag,
770 None,
771 );
772 if !metadata.is_dir {
773 entry.is_private = !share_private_files
774 && settings.is_path_private(abs_path.file_name().unwrap().as_ref());
775 }
776 snapshot.insert_entry(entry, fs.as_ref());
777 }
778
779 let (scan_requests_tx, scan_requests_rx) = channel::unbounded();
780 let (path_prefixes_to_scan_tx, path_prefixes_to_scan_rx) = channel::unbounded();
781 let mut worktree = LocalWorktree {
782 share_private_files,
783 next_entry_id,
784 snapshot,
785 is_scanning: watch::channel_with(true),
786 update_observer: None,
787 scan_requests_tx,
788 path_prefixes_to_scan_tx,
789 _background_scanner_tasks: Vec::new(),
790 fs,
791 fs_case_sensitive,
792 visible,
793 settings,
794 };
795 worktree.start_background_scanner(scan_requests_rx, path_prefixes_to_scan_rx, cx);
796 Worktree::Local(worktree)
797 })
798 }
799
800 pub fn remote(
801 project_id: u64,
802 replica_id: ReplicaId,
803 worktree: proto::WorktreeMetadata,
804 client: AnyProtoClient,
805 cx: &mut App,
806 ) -> Entity<Self> {
807 cx.new(|cx: &mut Context<Self>| {
808 let snapshot = Snapshot::new(
809 worktree.id,
810 worktree.root_name,
811 Arc::<Path>::from_proto(worktree.abs_path),
812 );
813
814 let background_snapshot = Arc::new(Mutex::new((snapshot.clone(), Vec::new())));
815 let (background_updates_tx, mut background_updates_rx) = mpsc::unbounded();
816 let (mut snapshot_updated_tx, mut snapshot_updated_rx) = watch::channel();
817
818 let worktree_id = snapshot.id();
819 let settings_location = Some(SettingsLocation {
820 worktree_id,
821 path: Path::new(EMPTY_PATH),
822 });
823
824 let settings = WorktreeSettings::get(settings_location, cx).clone();
825 let worktree = RemoteWorktree {
826 client,
827 project_id,
828 replica_id,
829 snapshot,
830 file_scan_inclusions: settings.file_scan_inclusions.clone(),
831 background_snapshot: background_snapshot.clone(),
832 updates_tx: Some(background_updates_tx),
833 update_observer: None,
834 snapshot_subscriptions: Default::default(),
835 visible: worktree.visible,
836 disconnected: false,
837 };
838
839 // Apply updates to a separate snapshot in a background task, then
840 // send them to a foreground task which updates the model.
841 cx.background_spawn(async move {
842 while let Some(update) = background_updates_rx.next().await {
843 {
844 let mut lock = background_snapshot.lock();
845 if let Err(error) = lock
846 .0
847 .apply_remote_update(update.clone(), &settings.file_scan_inclusions)
848 {
849 log::error!("error applying worktree update: {}", error);
850 }
851 lock.1.push(update);
852 }
853 snapshot_updated_tx.send(()).await.ok();
854 }
855 })
856 .detach();
857
858 // On the foreground task, update to the latest snapshot and notify
859 // any update observer of all updates that led to that snapshot.
860 cx.spawn(|this, mut cx| async move {
861 while (snapshot_updated_rx.recv().await).is_some() {
862 this.update(&mut cx, |this, cx| {
863 let mut git_repos_changed = false;
864 let mut entries_changed = false;
865 let this = this.as_remote_mut().unwrap();
866 {
867 let mut lock = this.background_snapshot.lock();
868 this.snapshot = lock.0.clone();
869 for update in lock.1.drain(..) {
870 if !update.updated_entries.is_empty()
871 || !update.removed_entries.is_empty()
872 {
873 entries_changed = true;
874 }
875 if !update.updated_repositories.is_empty()
876 || !update.removed_repositories.is_empty()
877 {
878 git_repos_changed = true;
879 }
880 if let Some(tx) = &this.update_observer {
881 tx.unbounded_send(update).ok();
882 }
883 }
884 };
885
886 if entries_changed {
887 cx.emit(Event::UpdatedEntries(Arc::default()));
888 }
889 if git_repos_changed {
890 cx.emit(Event::UpdatedGitRepositories(Arc::default()));
891 }
892 cx.notify();
893 while let Some((scan_id, _)) = this.snapshot_subscriptions.front() {
894 if this.observed_snapshot(*scan_id) {
895 let (_, tx) = this.snapshot_subscriptions.pop_front().unwrap();
896 let _ = tx.send(());
897 } else {
898 break;
899 }
900 }
901 })?;
902 }
903 anyhow::Ok(())
904 })
905 .detach();
906
907 Worktree::Remote(worktree)
908 })
909 }
910
911 pub fn as_local(&self) -> Option<&LocalWorktree> {
912 if let Worktree::Local(worktree) = self {
913 Some(worktree)
914 } else {
915 None
916 }
917 }
918
919 pub fn as_remote(&self) -> Option<&RemoteWorktree> {
920 if let Worktree::Remote(worktree) = self {
921 Some(worktree)
922 } else {
923 None
924 }
925 }
926
927 pub fn as_local_mut(&mut self) -> Option<&mut LocalWorktree> {
928 if let Worktree::Local(worktree) = self {
929 Some(worktree)
930 } else {
931 None
932 }
933 }
934
935 pub fn as_remote_mut(&mut self) -> Option<&mut RemoteWorktree> {
936 if let Worktree::Remote(worktree) = self {
937 Some(worktree)
938 } else {
939 None
940 }
941 }
942
943 pub fn is_local(&self) -> bool {
944 matches!(self, Worktree::Local(_))
945 }
946
947 pub fn is_remote(&self) -> bool {
948 !self.is_local()
949 }
950
951 pub fn settings_location(&self, _: &Context<Self>) -> SettingsLocation<'static> {
952 SettingsLocation {
953 worktree_id: self.id(),
954 path: Path::new(EMPTY_PATH),
955 }
956 }
957
958 pub fn snapshot(&self) -> Snapshot {
959 match self {
960 Worktree::Local(worktree) => worktree.snapshot.snapshot.clone(),
961 Worktree::Remote(worktree) => worktree.snapshot.clone(),
962 }
963 }
964
965 pub fn scan_id(&self) -> usize {
966 match self {
967 Worktree::Local(worktree) => worktree.snapshot.scan_id,
968 Worktree::Remote(worktree) => worktree.snapshot.scan_id,
969 }
970 }
971
972 pub fn metadata_proto(&self) -> proto::WorktreeMetadata {
973 proto::WorktreeMetadata {
974 id: self.id().to_proto(),
975 root_name: self.root_name().to_string(),
976 visible: self.is_visible(),
977 abs_path: self.abs_path().to_proto(),
978 }
979 }
980
981 pub fn completed_scan_id(&self) -> usize {
982 match self {
983 Worktree::Local(worktree) => worktree.snapshot.completed_scan_id,
984 Worktree::Remote(worktree) => worktree.snapshot.completed_scan_id,
985 }
986 }
987
988 pub fn is_visible(&self) -> bool {
989 match self {
990 Worktree::Local(worktree) => worktree.visible,
991 Worktree::Remote(worktree) => worktree.visible,
992 }
993 }
994
995 pub fn replica_id(&self) -> ReplicaId {
996 match self {
997 Worktree::Local(_) => 0,
998 Worktree::Remote(worktree) => worktree.replica_id,
999 }
1000 }
1001
1002 pub fn abs_path(&self) -> Arc<Path> {
1003 match self {
1004 Worktree::Local(worktree) => worktree.abs_path.clone().into(),
1005 Worktree::Remote(worktree) => worktree.abs_path.clone().into(),
1006 }
1007 }
1008
1009 pub fn root_file(&self, cx: &Context<Self>) -> Option<Arc<File>> {
1010 let entry = self.root_entry()?;
1011 Some(File::for_entry(entry.clone(), cx.entity()))
1012 }
1013
1014 pub fn observe_updates<F, Fut>(&mut self, project_id: u64, cx: &Context<Worktree>, callback: F)
1015 where
1016 F: 'static + Send + Fn(proto::UpdateWorktree) -> Fut,
1017 Fut: 'static + Send + Future<Output = bool>,
1018 {
1019 match self {
1020 Worktree::Local(this) => this.observe_updates(project_id, cx, callback),
1021 Worktree::Remote(this) => this.observe_updates(project_id, cx, callback),
1022 }
1023 }
1024
1025 pub fn stop_observing_updates(&mut self) {
1026 match self {
1027 Worktree::Local(this) => {
1028 this.update_observer.take();
1029 }
1030 Worktree::Remote(this) => {
1031 this.update_observer.take();
1032 }
1033 }
1034 }
1035
1036 #[cfg(any(test, feature = "test-support"))]
1037 pub fn has_update_observer(&self) -> bool {
1038 match self {
1039 Worktree::Local(this) => this.update_observer.is_some(),
1040 Worktree::Remote(this) => this.update_observer.is_some(),
1041 }
1042 }
1043
1044 pub fn load_file(&self, path: &Path, cx: &Context<Worktree>) -> Task<Result<LoadedFile>> {
1045 match self {
1046 Worktree::Local(this) => this.load_file(path, cx),
1047 Worktree::Remote(_) => {
1048 Task::ready(Err(anyhow!("remote worktrees can't yet load files")))
1049 }
1050 }
1051 }
1052
1053 pub fn load_staged_file(&self, path: &Path, cx: &App) -> Task<Result<Option<String>>> {
1054 match self {
1055 Worktree::Local(this) => {
1056 let path = Arc::from(path);
1057 let snapshot = this.snapshot();
1058 cx.background_spawn(async move {
1059 if let Some(repo) = snapshot.repository_for_path(&path) {
1060 if let Some(repo_path) = repo.relativize(&path).log_err() {
1061 if let Some(git_repo) =
1062 snapshot.git_repositories.get(&repo.work_directory_id)
1063 {
1064 return Ok(git_repo.repo_ptr.load_index_text(&repo_path));
1065 }
1066 }
1067 }
1068 Err(anyhow!("No repository found for {path:?}"))
1069 })
1070 }
1071 Worktree::Remote(_) => {
1072 Task::ready(Err(anyhow!("remote worktrees can't yet load staged files")))
1073 }
1074 }
1075 }
1076
1077 pub fn load_committed_file(&self, path: &Path, cx: &App) -> Task<Result<Option<String>>> {
1078 match self {
1079 Worktree::Local(this) => {
1080 let path = Arc::from(path);
1081 let snapshot = this.snapshot();
1082 cx.background_spawn(async move {
1083 if let Some(repo) = snapshot.repository_for_path(&path) {
1084 if let Some(repo_path) = repo.relativize(&path).log_err() {
1085 if let Some(git_repo) =
1086 snapshot.git_repositories.get(&repo.work_directory_id)
1087 {
1088 return Ok(git_repo.repo_ptr.load_committed_text(&repo_path));
1089 }
1090 }
1091 }
1092 Err(anyhow!("No repository found for {path:?}"))
1093 })
1094 }
1095 Worktree::Remote(_) => Task::ready(Err(anyhow!(
1096 "remote worktrees can't yet load committed files"
1097 ))),
1098 }
1099 }
1100
1101 pub fn load_binary_file(
1102 &self,
1103 path: &Path,
1104 cx: &Context<Worktree>,
1105 ) -> Task<Result<LoadedBinaryFile>> {
1106 match self {
1107 Worktree::Local(this) => this.load_binary_file(path, cx),
1108 Worktree::Remote(_) => {
1109 Task::ready(Err(anyhow!("remote worktrees can't yet load binary files")))
1110 }
1111 }
1112 }
1113
1114 pub fn write_file(
1115 &self,
1116 path: &Path,
1117 text: Rope,
1118 line_ending: LineEnding,
1119 cx: &Context<Worktree>,
1120 ) -> Task<Result<Arc<File>>> {
1121 match self {
1122 Worktree::Local(this) => this.write_file(path, text, line_ending, cx),
1123 Worktree::Remote(_) => {
1124 Task::ready(Err(anyhow!("remote worktree can't yet write files")))
1125 }
1126 }
1127 }
1128
1129 pub fn create_entry(
1130 &mut self,
1131 path: impl Into<Arc<Path>>,
1132 is_directory: bool,
1133 cx: &Context<Worktree>,
1134 ) -> Task<Result<CreatedEntry>> {
1135 let path: Arc<Path> = path.into();
1136 let worktree_id = self.id();
1137 match self {
1138 Worktree::Local(this) => this.create_entry(path, is_directory, cx),
1139 Worktree::Remote(this) => {
1140 let project_id = this.project_id;
1141 let request = this.client.request(proto::CreateProjectEntry {
1142 worktree_id: worktree_id.to_proto(),
1143 project_id,
1144 path: path.as_ref().to_proto(),
1145 is_directory,
1146 });
1147 cx.spawn(move |this, mut cx| async move {
1148 let response = request.await?;
1149 match response.entry {
1150 Some(entry) => this
1151 .update(&mut cx, |worktree, cx| {
1152 worktree.as_remote_mut().unwrap().insert_entry(
1153 entry,
1154 response.worktree_scan_id as usize,
1155 cx,
1156 )
1157 })?
1158 .await
1159 .map(CreatedEntry::Included),
1160 None => {
1161 let abs_path = this.update(&mut cx, |worktree, _| {
1162 worktree
1163 .absolutize(&path)
1164 .with_context(|| format!("absolutizing {path:?}"))
1165 })??;
1166 Ok(CreatedEntry::Excluded { abs_path })
1167 }
1168 }
1169 })
1170 }
1171 }
1172 }
1173
1174 pub fn delete_entry(
1175 &mut self,
1176 entry_id: ProjectEntryId,
1177 trash: bool,
1178 cx: &mut Context<Worktree>,
1179 ) -> Option<Task<Result<()>>> {
1180 let task = match self {
1181 Worktree::Local(this) => this.delete_entry(entry_id, trash, cx),
1182 Worktree::Remote(this) => this.delete_entry(entry_id, trash, cx),
1183 }?;
1184
1185 let entry = match self {
1186 Worktree::Local(ref this) => this.entry_for_id(entry_id),
1187 Worktree::Remote(ref this) => this.entry_for_id(entry_id),
1188 }?;
1189
1190 let mut ids = vec![entry_id];
1191 let path = &*entry.path;
1192
1193 self.get_children_ids_recursive(path, &mut ids);
1194
1195 for id in ids {
1196 cx.emit(Event::DeletedEntry(id));
1197 }
1198 Some(task)
1199 }
1200
1201 fn get_children_ids_recursive(&self, path: &Path, ids: &mut Vec<ProjectEntryId>) {
1202 let children_iter = self.child_entries(path);
1203 for child in children_iter {
1204 ids.push(child.id);
1205 self.get_children_ids_recursive(&child.path, ids);
1206 }
1207 }
1208
1209 pub fn rename_entry(
1210 &mut self,
1211 entry_id: ProjectEntryId,
1212 new_path: impl Into<Arc<Path>>,
1213 cx: &Context<Self>,
1214 ) -> Task<Result<CreatedEntry>> {
1215 let new_path = new_path.into();
1216 match self {
1217 Worktree::Local(this) => this.rename_entry(entry_id, new_path, cx),
1218 Worktree::Remote(this) => this.rename_entry(entry_id, new_path, cx),
1219 }
1220 }
1221
1222 pub fn copy_entry(
1223 &mut self,
1224 entry_id: ProjectEntryId,
1225 relative_worktree_source_path: Option<PathBuf>,
1226 new_path: impl Into<Arc<Path>>,
1227 cx: &Context<Self>,
1228 ) -> Task<Result<Option<Entry>>> {
1229 let new_path: Arc<Path> = new_path.into();
1230 match self {
1231 Worktree::Local(this) => {
1232 this.copy_entry(entry_id, relative_worktree_source_path, new_path, cx)
1233 }
1234 Worktree::Remote(this) => {
1235 let relative_worktree_source_path = relative_worktree_source_path
1236 .map(|relative_worktree_source_path| relative_worktree_source_path.to_proto());
1237 let response = this.client.request(proto::CopyProjectEntry {
1238 project_id: this.project_id,
1239 entry_id: entry_id.to_proto(),
1240 relative_worktree_source_path,
1241 new_path: new_path.to_proto(),
1242 });
1243 cx.spawn(move |this, mut cx| async move {
1244 let response = response.await?;
1245 match response.entry {
1246 Some(entry) => this
1247 .update(&mut cx, |worktree, cx| {
1248 worktree.as_remote_mut().unwrap().insert_entry(
1249 entry,
1250 response.worktree_scan_id as usize,
1251 cx,
1252 )
1253 })?
1254 .await
1255 .map(Some),
1256 None => Ok(None),
1257 }
1258 })
1259 }
1260 }
1261 }
1262
1263 pub fn copy_external_entries(
1264 &mut self,
1265 target_directory: PathBuf,
1266 paths: Vec<Arc<Path>>,
1267 overwrite_existing_files: bool,
1268 cx: &Context<Worktree>,
1269 ) -> Task<Result<Vec<ProjectEntryId>>> {
1270 match self {
1271 Worktree::Local(this) => {
1272 this.copy_external_entries(target_directory, paths, overwrite_existing_files, cx)
1273 }
1274 _ => Task::ready(Err(anyhow!(
1275 "Copying external entries is not supported for remote worktrees"
1276 ))),
1277 }
1278 }
1279
1280 pub fn expand_entry(
1281 &mut self,
1282 entry_id: ProjectEntryId,
1283 cx: &Context<Worktree>,
1284 ) -> Option<Task<Result<()>>> {
1285 match self {
1286 Worktree::Local(this) => this.expand_entry(entry_id, cx),
1287 Worktree::Remote(this) => {
1288 let response = this.client.request(proto::ExpandProjectEntry {
1289 project_id: this.project_id,
1290 entry_id: entry_id.to_proto(),
1291 });
1292 Some(cx.spawn(move |this, mut cx| async move {
1293 let response = response.await?;
1294 this.update(&mut cx, |this, _| {
1295 this.as_remote_mut()
1296 .unwrap()
1297 .wait_for_snapshot(response.worktree_scan_id as usize)
1298 })?
1299 .await?;
1300 Ok(())
1301 }))
1302 }
1303 }
1304 }
1305
1306 pub fn expand_all_for_entry(
1307 &mut self,
1308 entry_id: ProjectEntryId,
1309 cx: &Context<Worktree>,
1310 ) -> Option<Task<Result<()>>> {
1311 match self {
1312 Worktree::Local(this) => this.expand_all_for_entry(entry_id, cx),
1313 Worktree::Remote(this) => {
1314 let response = this.client.request(proto::ExpandAllForProjectEntry {
1315 project_id: this.project_id,
1316 entry_id: entry_id.to_proto(),
1317 });
1318 Some(cx.spawn(move |this, mut cx| async move {
1319 let response = response.await?;
1320 this.update(&mut cx, |this, _| {
1321 this.as_remote_mut()
1322 .unwrap()
1323 .wait_for_snapshot(response.worktree_scan_id as usize)
1324 })?
1325 .await?;
1326 Ok(())
1327 }))
1328 }
1329 }
1330 }
1331
1332 pub async fn handle_create_entry(
1333 this: Entity<Self>,
1334 request: proto::CreateProjectEntry,
1335 mut cx: AsyncApp,
1336 ) -> Result<proto::ProjectEntryResponse> {
1337 let (scan_id, entry) = this.update(&mut cx, |this, cx| {
1338 (
1339 this.scan_id(),
1340 this.create_entry(
1341 Arc::<Path>::from_proto(request.path),
1342 request.is_directory,
1343 cx,
1344 ),
1345 )
1346 })?;
1347 Ok(proto::ProjectEntryResponse {
1348 entry: match &entry.await? {
1349 CreatedEntry::Included(entry) => Some(entry.into()),
1350 CreatedEntry::Excluded { .. } => None,
1351 },
1352 worktree_scan_id: scan_id as u64,
1353 })
1354 }
1355
1356 pub async fn handle_delete_entry(
1357 this: Entity<Self>,
1358 request: proto::DeleteProjectEntry,
1359 mut cx: AsyncApp,
1360 ) -> Result<proto::ProjectEntryResponse> {
1361 let (scan_id, task) = this.update(&mut cx, |this, cx| {
1362 (
1363 this.scan_id(),
1364 this.delete_entry(
1365 ProjectEntryId::from_proto(request.entry_id),
1366 request.use_trash,
1367 cx,
1368 ),
1369 )
1370 })?;
1371 task.ok_or_else(|| anyhow!("invalid entry"))?.await?;
1372 Ok(proto::ProjectEntryResponse {
1373 entry: None,
1374 worktree_scan_id: scan_id as u64,
1375 })
1376 }
1377
1378 pub async fn handle_expand_entry(
1379 this: Entity<Self>,
1380 request: proto::ExpandProjectEntry,
1381 mut cx: AsyncApp,
1382 ) -> Result<proto::ExpandProjectEntryResponse> {
1383 let task = this.update(&mut cx, |this, cx| {
1384 this.expand_entry(ProjectEntryId::from_proto(request.entry_id), cx)
1385 })?;
1386 task.ok_or_else(|| anyhow!("no such entry"))?.await?;
1387 let scan_id = this.read_with(&cx, |this, _| this.scan_id())?;
1388 Ok(proto::ExpandProjectEntryResponse {
1389 worktree_scan_id: scan_id as u64,
1390 })
1391 }
1392
1393 pub async fn handle_expand_all_for_entry(
1394 this: Entity<Self>,
1395 request: proto::ExpandAllForProjectEntry,
1396 mut cx: AsyncApp,
1397 ) -> Result<proto::ExpandAllForProjectEntryResponse> {
1398 let task = this.update(&mut cx, |this, cx| {
1399 this.expand_all_for_entry(ProjectEntryId::from_proto(request.entry_id), cx)
1400 })?;
1401 task.ok_or_else(|| anyhow!("no such entry"))?.await?;
1402 let scan_id = this.read_with(&cx, |this, _| this.scan_id())?;
1403 Ok(proto::ExpandAllForProjectEntryResponse {
1404 worktree_scan_id: scan_id as u64,
1405 })
1406 }
1407
1408 pub async fn handle_rename_entry(
1409 this: Entity<Self>,
1410 request: proto::RenameProjectEntry,
1411 mut cx: AsyncApp,
1412 ) -> Result<proto::ProjectEntryResponse> {
1413 let (scan_id, task) = this.update(&mut cx, |this, cx| {
1414 (
1415 this.scan_id(),
1416 this.rename_entry(
1417 ProjectEntryId::from_proto(request.entry_id),
1418 Arc::<Path>::from_proto(request.new_path),
1419 cx,
1420 ),
1421 )
1422 })?;
1423 Ok(proto::ProjectEntryResponse {
1424 entry: match &task.await? {
1425 CreatedEntry::Included(entry) => Some(entry.into()),
1426 CreatedEntry::Excluded { .. } => None,
1427 },
1428 worktree_scan_id: scan_id as u64,
1429 })
1430 }
1431
1432 pub async fn handle_copy_entry(
1433 this: Entity<Self>,
1434 request: proto::CopyProjectEntry,
1435 mut cx: AsyncApp,
1436 ) -> Result<proto::ProjectEntryResponse> {
1437 let (scan_id, task) = this.update(&mut cx, |this, cx| {
1438 let relative_worktree_source_path = request
1439 .relative_worktree_source_path
1440 .map(PathBuf::from_proto);
1441 (
1442 this.scan_id(),
1443 this.copy_entry(
1444 ProjectEntryId::from_proto(request.entry_id),
1445 relative_worktree_source_path,
1446 PathBuf::from_proto(request.new_path),
1447 cx,
1448 ),
1449 )
1450 })?;
1451 Ok(proto::ProjectEntryResponse {
1452 entry: task.await?.as_ref().map(|e| e.into()),
1453 worktree_scan_id: scan_id as u64,
1454 })
1455 }
1456
1457 pub fn dot_git_abs_path(&self, work_directory: &WorkDirectory) -> PathBuf {
1458 let mut path = match work_directory {
1459 WorkDirectory::InProject { relative_path } => self.abs_path().join(relative_path),
1460 WorkDirectory::AboveProject { absolute_path, .. } => absolute_path.as_ref().to_owned(),
1461 };
1462 path.push(".git");
1463 path
1464 }
1465
1466 pub fn is_single_file(&self) -> bool {
1467 self.root_dir().is_none()
1468 }
1469}
1470
1471impl LocalWorktree {
1472 pub fn fs(&self) -> &Arc<dyn Fs> {
1473 &self.fs
1474 }
1475
1476 pub fn is_path_private(&self, path: &Path) -> bool {
1477 !self.share_private_files && self.settings.is_path_private(path)
1478 }
1479
1480 fn restart_background_scanners(&mut self, cx: &Context<Worktree>) {
1481 let (scan_requests_tx, scan_requests_rx) = channel::unbounded();
1482 let (path_prefixes_to_scan_tx, path_prefixes_to_scan_rx) = channel::unbounded();
1483 self.scan_requests_tx = scan_requests_tx;
1484 self.path_prefixes_to_scan_tx = path_prefixes_to_scan_tx;
1485
1486 self.start_background_scanner(scan_requests_rx, path_prefixes_to_scan_rx, cx);
1487 let always_included_entries = mem::take(&mut self.snapshot.always_included_entries);
1488 log::debug!(
1489 "refreshing entries for the following always included paths: {:?}",
1490 always_included_entries
1491 );
1492
1493 // Cleans up old always included entries to ensure they get updated properly. Otherwise,
1494 // nested always included entries may not get updated and will result in out-of-date info.
1495 self.refresh_entries_for_paths(always_included_entries);
1496 }
1497
1498 fn start_background_scanner(
1499 &mut self,
1500 scan_requests_rx: channel::Receiver<ScanRequest>,
1501 path_prefixes_to_scan_rx: channel::Receiver<PathPrefixScanRequest>,
1502 cx: &Context<Worktree>,
1503 ) {
1504 let snapshot = self.snapshot();
1505 let share_private_files = self.share_private_files;
1506 let next_entry_id = self.next_entry_id.clone();
1507 let fs = self.fs.clone();
1508 let git_hosting_provider_registry = GitHostingProviderRegistry::try_global(cx);
1509 let settings = self.settings.clone();
1510 let (scan_states_tx, mut scan_states_rx) = mpsc::unbounded();
1511 let background_scanner = cx.background_spawn({
1512 let abs_path = snapshot.abs_path.as_path().to_path_buf();
1513 let background = cx.background_executor().clone();
1514 async move {
1515 let (events, watcher) = fs.watch(&abs_path, FS_WATCH_LATENCY).await;
1516 let fs_case_sensitive = fs.is_case_sensitive().await.unwrap_or_else(|e| {
1517 log::error!("Failed to determine whether filesystem is case sensitive: {e:#}");
1518 true
1519 });
1520
1521 let mut scanner = BackgroundScanner {
1522 fs,
1523 fs_case_sensitive,
1524 status_updates_tx: scan_states_tx,
1525 executor: background,
1526 scan_requests_rx,
1527 path_prefixes_to_scan_rx,
1528 next_entry_id,
1529 state: Arc::new(Mutex::new(BackgroundScannerState {
1530 prev_snapshot: snapshot.snapshot.clone(),
1531 snapshot,
1532 scanned_dirs: Default::default(),
1533 path_prefixes_to_scan: Default::default(),
1534 paths_to_scan: Default::default(),
1535 removed_entries: Default::default(),
1536 changed_paths: Default::default(),
1537 repository_scans: HashMap::default(),
1538 git_hosting_provider_registry,
1539 })),
1540 phase: BackgroundScannerPhase::InitialScan,
1541 share_private_files,
1542 settings,
1543 watcher,
1544 };
1545
1546 scanner
1547 .run(Box::pin(events.map(|events| events.into_iter().collect())))
1548 .await;
1549 }
1550 });
1551 let scan_state_updater = cx.spawn(|this, mut cx| async move {
1552 while let Some((state, this)) = scan_states_rx.next().await.zip(this.upgrade()) {
1553 this.update(&mut cx, |this, cx| {
1554 let this = this.as_local_mut().unwrap();
1555 match state {
1556 ScanState::Started => {
1557 *this.is_scanning.0.borrow_mut() = true;
1558 }
1559 ScanState::Updated {
1560 snapshot,
1561 changes,
1562 barrier,
1563 scanning,
1564 } => {
1565 *this.is_scanning.0.borrow_mut() = scanning;
1566 this.set_snapshot(snapshot, changes, cx);
1567 drop(barrier);
1568 }
1569 ScanState::RootUpdated { new_path } => {
1570 this.update_abs_path_and_refresh(new_path, cx);
1571 }
1572 }
1573 })
1574 .ok();
1575 }
1576 });
1577 self._background_scanner_tasks = vec![background_scanner, scan_state_updater];
1578 self.is_scanning = watch::channel_with(true);
1579 }
1580
1581 fn set_snapshot(
1582 &mut self,
1583 new_snapshot: LocalSnapshot,
1584 entry_changes: UpdatedEntriesSet,
1585 cx: &mut Context<Worktree>,
1586 ) {
1587 let repo_changes = self.changed_repos(&self.snapshot, &new_snapshot);
1588 self.snapshot = new_snapshot;
1589
1590 if let Some(share) = self.update_observer.as_mut() {
1591 share
1592 .snapshots_tx
1593 .unbounded_send((
1594 self.snapshot.clone(),
1595 entry_changes.clone(),
1596 repo_changes.clone(),
1597 ))
1598 .ok();
1599 }
1600
1601 if !entry_changes.is_empty() {
1602 cx.emit(Event::UpdatedEntries(entry_changes));
1603 }
1604 if !repo_changes.is_empty() {
1605 cx.emit(Event::UpdatedGitRepositories(repo_changes));
1606 }
1607 }
1608
1609 fn changed_repos(
1610 &self,
1611 old_snapshot: &LocalSnapshot,
1612 new_snapshot: &LocalSnapshot,
1613 ) -> UpdatedGitRepositoriesSet {
1614 let mut changes = Vec::new();
1615 let mut old_repos = old_snapshot.git_repositories.iter().peekable();
1616 let mut new_repos = new_snapshot.git_repositories.iter().peekable();
1617
1618 loop {
1619 match (new_repos.peek().map(clone), old_repos.peek().map(clone)) {
1620 (Some((new_entry_id, new_repo)), Some((old_entry_id, old_repo))) => {
1621 match Ord::cmp(&new_entry_id, &old_entry_id) {
1622 Ordering::Less => {
1623 if let Some(entry) = new_snapshot.entry_for_id(new_entry_id) {
1624 changes.push((
1625 entry.path.clone(),
1626 GitRepositoryChange {
1627 old_repository: None,
1628 },
1629 ));
1630 }
1631 new_repos.next();
1632 }
1633 Ordering::Equal => {
1634 if new_repo.git_dir_scan_id != old_repo.git_dir_scan_id
1635 || new_repo.status_scan_id != old_repo.status_scan_id
1636 {
1637 if let Some(entry) = new_snapshot.entry_for_id(new_entry_id) {
1638 let old_repo = old_snapshot
1639 .repositories
1640 .get(&PathKey(entry.path.clone()), &())
1641 .cloned();
1642 changes.push((
1643 entry.path.clone(),
1644 GitRepositoryChange {
1645 old_repository: old_repo,
1646 },
1647 ));
1648 }
1649 }
1650 new_repos.next();
1651 old_repos.next();
1652 }
1653 Ordering::Greater => {
1654 if let Some(entry) = old_snapshot.entry_for_id(old_entry_id) {
1655 let old_repo = old_snapshot
1656 .repositories
1657 .get(&PathKey(entry.path.clone()), &())
1658 .cloned();
1659 changes.push((
1660 entry.path.clone(),
1661 GitRepositoryChange {
1662 old_repository: old_repo,
1663 },
1664 ));
1665 }
1666 old_repos.next();
1667 }
1668 }
1669 }
1670 (Some((entry_id, _)), None) => {
1671 if let Some(entry) = new_snapshot.entry_for_id(entry_id) {
1672 changes.push((
1673 entry.path.clone(),
1674 GitRepositoryChange {
1675 old_repository: None,
1676 },
1677 ));
1678 }
1679 new_repos.next();
1680 }
1681 (None, Some((entry_id, _))) => {
1682 if let Some(entry) = old_snapshot.entry_for_id(entry_id) {
1683 let old_repo = old_snapshot
1684 .repositories
1685 .get(&PathKey(entry.path.clone()), &())
1686 .cloned();
1687 changes.push((
1688 entry.path.clone(),
1689 GitRepositoryChange {
1690 old_repository: old_repo,
1691 },
1692 ));
1693 }
1694 old_repos.next();
1695 }
1696 (None, None) => break,
1697 }
1698 }
1699
1700 fn clone<T: Clone, U: Clone>(value: &(&T, &U)) -> (T, U) {
1701 (value.0.clone(), value.1.clone())
1702 }
1703
1704 changes.into()
1705 }
1706
1707 pub fn scan_complete(&self) -> impl Future<Output = ()> {
1708 let mut is_scanning_rx = self.is_scanning.1.clone();
1709 async move {
1710 let mut is_scanning = *is_scanning_rx.borrow();
1711 while is_scanning {
1712 if let Some(value) = is_scanning_rx.recv().await {
1713 is_scanning = value;
1714 } else {
1715 break;
1716 }
1717 }
1718 }
1719 }
1720
1721 pub fn snapshot(&self) -> LocalSnapshot {
1722 self.snapshot.clone()
1723 }
1724
1725 pub fn settings(&self) -> WorktreeSettings {
1726 self.settings.clone()
1727 }
1728
1729 pub fn get_local_repo(&self, repo: &RepositoryEntry) -> Option<&LocalRepositoryEntry> {
1730 self.git_repositories.get(&repo.work_directory_id)
1731 }
1732
1733 fn load_binary_file(
1734 &self,
1735 path: &Path,
1736 cx: &Context<Worktree>,
1737 ) -> Task<Result<LoadedBinaryFile>> {
1738 let path = Arc::from(path);
1739 let abs_path = self.absolutize(&path);
1740 let fs = self.fs.clone();
1741 let entry = self.refresh_entry(path.clone(), None, cx);
1742 let is_private = self.is_path_private(path.as_ref());
1743
1744 let worktree = cx.weak_entity();
1745 cx.background_spawn(async move {
1746 let abs_path = abs_path?;
1747 let content = fs.load_bytes(&abs_path).await?;
1748
1749 let worktree = worktree
1750 .upgrade()
1751 .ok_or_else(|| anyhow!("worktree was dropped"))?;
1752 let file = match entry.await? {
1753 Some(entry) => File::for_entry(entry, worktree),
1754 None => {
1755 let metadata = fs
1756 .metadata(&abs_path)
1757 .await
1758 .with_context(|| {
1759 format!("Loading metadata for excluded file {abs_path:?}")
1760 })?
1761 .with_context(|| {
1762 format!("Excluded file {abs_path:?} got removed during loading")
1763 })?;
1764 Arc::new(File {
1765 entry_id: None,
1766 worktree,
1767 path,
1768 disk_state: DiskState::Present {
1769 mtime: metadata.mtime,
1770 },
1771 is_local: true,
1772 is_private,
1773 })
1774 }
1775 };
1776
1777 Ok(LoadedBinaryFile { file, content })
1778 })
1779 }
1780
1781 fn load_file(&self, path: &Path, cx: &Context<Worktree>) -> Task<Result<LoadedFile>> {
1782 let path = Arc::from(path);
1783 let abs_path = self.absolutize(&path);
1784 let fs = self.fs.clone();
1785 let entry = self.refresh_entry(path.clone(), None, cx);
1786 let is_private = self.is_path_private(path.as_ref());
1787
1788 cx.spawn(|this, _cx| async move {
1789 let abs_path = abs_path?;
1790 let text = fs.load(&abs_path).await?;
1791
1792 let worktree = this
1793 .upgrade()
1794 .ok_or_else(|| anyhow!("worktree was dropped"))?;
1795 let file = match entry.await? {
1796 Some(entry) => File::for_entry(entry, worktree),
1797 None => {
1798 let metadata = fs
1799 .metadata(&abs_path)
1800 .await
1801 .with_context(|| {
1802 format!("Loading metadata for excluded file {abs_path:?}")
1803 })?
1804 .with_context(|| {
1805 format!("Excluded file {abs_path:?} got removed during loading")
1806 })?;
1807 Arc::new(File {
1808 entry_id: None,
1809 worktree,
1810 path,
1811 disk_state: DiskState::Present {
1812 mtime: metadata.mtime,
1813 },
1814 is_local: true,
1815 is_private,
1816 })
1817 }
1818 };
1819
1820 Ok(LoadedFile { file, text })
1821 })
1822 }
1823
1824 /// Find the lowest path in the worktree's datastructures that is an ancestor
1825 fn lowest_ancestor(&self, path: &Path) -> PathBuf {
1826 let mut lowest_ancestor = None;
1827 for path in path.ancestors() {
1828 if self.entry_for_path(path).is_some() {
1829 lowest_ancestor = Some(path.to_path_buf());
1830 break;
1831 }
1832 }
1833
1834 lowest_ancestor.unwrap_or_else(|| PathBuf::from(""))
1835 }
1836
1837 fn create_entry(
1838 &self,
1839 path: impl Into<Arc<Path>>,
1840 is_dir: bool,
1841 cx: &Context<Worktree>,
1842 ) -> Task<Result<CreatedEntry>> {
1843 let path = path.into();
1844 let abs_path = match self.absolutize(&path) {
1845 Ok(path) => path,
1846 Err(e) => return Task::ready(Err(e.context(format!("absolutizing path {path:?}")))),
1847 };
1848 let path_excluded = self.settings.is_path_excluded(&abs_path);
1849 let fs = self.fs.clone();
1850 let task_abs_path = abs_path.clone();
1851 let write = cx.background_spawn(async move {
1852 if is_dir {
1853 fs.create_dir(&task_abs_path)
1854 .await
1855 .with_context(|| format!("creating directory {task_abs_path:?}"))
1856 } else {
1857 fs.save(&task_abs_path, &Rope::default(), LineEnding::default())
1858 .await
1859 .with_context(|| format!("creating file {task_abs_path:?}"))
1860 }
1861 });
1862
1863 let lowest_ancestor = self.lowest_ancestor(&path);
1864 cx.spawn(|this, mut cx| async move {
1865 write.await?;
1866 if path_excluded {
1867 return Ok(CreatedEntry::Excluded { abs_path });
1868 }
1869
1870 let (result, refreshes) = this.update(&mut cx, |this, cx| {
1871 let mut refreshes = Vec::new();
1872 let refresh_paths = path.strip_prefix(&lowest_ancestor).unwrap();
1873 for refresh_path in refresh_paths.ancestors() {
1874 if refresh_path == Path::new("") {
1875 continue;
1876 }
1877 let refresh_full_path = lowest_ancestor.join(refresh_path);
1878
1879 refreshes.push(this.as_local_mut().unwrap().refresh_entry(
1880 refresh_full_path.into(),
1881 None,
1882 cx,
1883 ));
1884 }
1885 (
1886 this.as_local_mut().unwrap().refresh_entry(path, None, cx),
1887 refreshes,
1888 )
1889 })?;
1890 for refresh in refreshes {
1891 refresh.await.log_err();
1892 }
1893
1894 Ok(result
1895 .await?
1896 .map(CreatedEntry::Included)
1897 .unwrap_or_else(|| CreatedEntry::Excluded { abs_path }))
1898 })
1899 }
1900
1901 fn write_file(
1902 &self,
1903 path: impl Into<Arc<Path>>,
1904 text: Rope,
1905 line_ending: LineEnding,
1906 cx: &Context<Worktree>,
1907 ) -> Task<Result<Arc<File>>> {
1908 let path = path.into();
1909 let fs = self.fs.clone();
1910 let is_private = self.is_path_private(&path);
1911 let Ok(abs_path) = self.absolutize(&path) else {
1912 return Task::ready(Err(anyhow!("invalid path {path:?}")));
1913 };
1914
1915 let write = cx.background_spawn({
1916 let fs = fs.clone();
1917 let abs_path = abs_path.clone();
1918 async move { fs.save(&abs_path, &text, line_ending).await }
1919 });
1920
1921 cx.spawn(move |this, mut cx| async move {
1922 write.await?;
1923 let entry = this
1924 .update(&mut cx, |this, cx| {
1925 this.as_local_mut()
1926 .unwrap()
1927 .refresh_entry(path.clone(), None, cx)
1928 })?
1929 .await?;
1930 let worktree = this.upgrade().ok_or_else(|| anyhow!("worktree dropped"))?;
1931 if let Some(entry) = entry {
1932 Ok(File::for_entry(entry, worktree))
1933 } else {
1934 let metadata = fs
1935 .metadata(&abs_path)
1936 .await
1937 .with_context(|| {
1938 format!("Fetching metadata after saving the excluded buffer {abs_path:?}")
1939 })?
1940 .with_context(|| {
1941 format!("Excluded buffer {path:?} got removed during saving")
1942 })?;
1943 Ok(Arc::new(File {
1944 worktree,
1945 path,
1946 disk_state: DiskState::Present {
1947 mtime: metadata.mtime,
1948 },
1949 entry_id: None,
1950 is_local: true,
1951 is_private,
1952 }))
1953 }
1954 })
1955 }
1956
1957 fn delete_entry(
1958 &self,
1959 entry_id: ProjectEntryId,
1960 trash: bool,
1961 cx: &Context<Worktree>,
1962 ) -> Option<Task<Result<()>>> {
1963 let entry = self.entry_for_id(entry_id)?.clone();
1964 let abs_path = self.absolutize(&entry.path);
1965 let fs = self.fs.clone();
1966
1967 let delete = cx.background_spawn(async move {
1968 if entry.is_file() {
1969 if trash {
1970 fs.trash_file(&abs_path?, Default::default()).await?;
1971 } else {
1972 fs.remove_file(&abs_path?, Default::default()).await?;
1973 }
1974 } else if trash {
1975 fs.trash_dir(
1976 &abs_path?,
1977 RemoveOptions {
1978 recursive: true,
1979 ignore_if_not_exists: false,
1980 },
1981 )
1982 .await?;
1983 } else {
1984 fs.remove_dir(
1985 &abs_path?,
1986 RemoveOptions {
1987 recursive: true,
1988 ignore_if_not_exists: false,
1989 },
1990 )
1991 .await?;
1992 }
1993 anyhow::Ok(entry.path)
1994 });
1995
1996 Some(cx.spawn(|this, mut cx| async move {
1997 let path = delete.await?;
1998 this.update(&mut cx, |this, _| {
1999 this.as_local_mut()
2000 .unwrap()
2001 .refresh_entries_for_paths(vec![path])
2002 })?
2003 .recv()
2004 .await;
2005 Ok(())
2006 }))
2007 }
2008
2009 /// Rename an entry.
2010 ///
2011 /// `new_path` is the new relative path to the worktree root.
2012 /// If the root entry is renamed then `new_path` is the new root name instead.
2013 fn rename_entry(
2014 &self,
2015 entry_id: ProjectEntryId,
2016 new_path: impl Into<Arc<Path>>,
2017 cx: &Context<Worktree>,
2018 ) -> Task<Result<CreatedEntry>> {
2019 let old_path = match self.entry_for_id(entry_id) {
2020 Some(entry) => entry.path.clone(),
2021 None => return Task::ready(Err(anyhow!("no entry to rename for id {entry_id:?}"))),
2022 };
2023 let new_path = new_path.into();
2024 let abs_old_path = self.absolutize(&old_path);
2025
2026 let is_root_entry = self.root_entry().is_some_and(|e| e.id == entry_id);
2027 let abs_new_path = if is_root_entry {
2028 let Some(root_parent_path) = self.abs_path().parent() else {
2029 return Task::ready(Err(anyhow!("no parent for path {:?}", self.abs_path)));
2030 };
2031 root_parent_path.join(&new_path)
2032 } else {
2033 let Ok(absolutize_path) = self.absolutize(&new_path) else {
2034 return Task::ready(Err(anyhow!("absolutizing path {new_path:?}")));
2035 };
2036 absolutize_path
2037 };
2038 let abs_path = abs_new_path.clone();
2039 let fs = self.fs.clone();
2040 let case_sensitive = self.fs_case_sensitive;
2041 let rename = cx.background_spawn(async move {
2042 let abs_old_path = abs_old_path?;
2043 let abs_new_path = abs_new_path;
2044
2045 let abs_old_path_lower = abs_old_path.to_str().map(|p| p.to_lowercase());
2046 let abs_new_path_lower = abs_new_path.to_str().map(|p| p.to_lowercase());
2047
2048 // If we're on a case-insensitive FS and we're doing a case-only rename (i.e. `foobar` to `FOOBAR`)
2049 // we want to overwrite, because otherwise we run into a file-already-exists error.
2050 let overwrite = !case_sensitive
2051 && abs_old_path != abs_new_path
2052 && abs_old_path_lower == abs_new_path_lower;
2053
2054 fs.rename(
2055 &abs_old_path,
2056 &abs_new_path,
2057 fs::RenameOptions {
2058 overwrite,
2059 ..Default::default()
2060 },
2061 )
2062 .await
2063 .with_context(|| format!("Renaming {abs_old_path:?} into {abs_new_path:?}"))
2064 });
2065
2066 cx.spawn(|this, mut cx| async move {
2067 rename.await?;
2068 Ok(this
2069 .update(&mut cx, |this, cx| {
2070 let local = this.as_local_mut().unwrap();
2071 if is_root_entry {
2072 // We eagerly update `abs_path` and refresh this worktree.
2073 // Otherwise, the FS watcher would do it on the `RootUpdated` event,
2074 // but with a noticeable delay, so we handle it proactively.
2075 local.update_abs_path_and_refresh(
2076 Some(SanitizedPath::from(abs_path.clone())),
2077 cx,
2078 );
2079 Task::ready(Ok(this.root_entry().cloned()))
2080 } else {
2081 local.refresh_entry(new_path.clone(), Some(old_path), cx)
2082 }
2083 })?
2084 .await?
2085 .map(CreatedEntry::Included)
2086 .unwrap_or_else(|| CreatedEntry::Excluded { abs_path }))
2087 })
2088 }
2089
2090 fn copy_entry(
2091 &self,
2092 entry_id: ProjectEntryId,
2093 relative_worktree_source_path: Option<PathBuf>,
2094 new_path: impl Into<Arc<Path>>,
2095 cx: &Context<Worktree>,
2096 ) -> Task<Result<Option<Entry>>> {
2097 let old_path = match self.entry_for_id(entry_id) {
2098 Some(entry) => entry.path.clone(),
2099 None => return Task::ready(Ok(None)),
2100 };
2101 let new_path = new_path.into();
2102 let abs_old_path =
2103 if let Some(relative_worktree_source_path) = relative_worktree_source_path {
2104 Ok(self.abs_path().join(relative_worktree_source_path))
2105 } else {
2106 self.absolutize(&old_path)
2107 };
2108 let abs_new_path = self.absolutize(&new_path);
2109 let fs = self.fs.clone();
2110 let copy = cx.background_spawn(async move {
2111 copy_recursive(
2112 fs.as_ref(),
2113 &abs_old_path?,
2114 &abs_new_path?,
2115 Default::default(),
2116 )
2117 .await
2118 });
2119
2120 cx.spawn(|this, mut cx| async move {
2121 copy.await?;
2122 this.update(&mut cx, |this, cx| {
2123 this.as_local_mut()
2124 .unwrap()
2125 .refresh_entry(new_path.clone(), None, cx)
2126 })?
2127 .await
2128 })
2129 }
2130
2131 pub fn copy_external_entries(
2132 &self,
2133 target_directory: PathBuf,
2134 paths: Vec<Arc<Path>>,
2135 overwrite_existing_files: bool,
2136 cx: &Context<Worktree>,
2137 ) -> Task<Result<Vec<ProjectEntryId>>> {
2138 let worktree_path = self.abs_path().clone();
2139 let fs = self.fs.clone();
2140 let paths = paths
2141 .into_iter()
2142 .filter_map(|source| {
2143 let file_name = source.file_name()?;
2144 let mut target = target_directory.clone();
2145 target.push(file_name);
2146
2147 // Do not allow copying the same file to itself.
2148 if source.as_ref() != target.as_path() {
2149 Some((source, target))
2150 } else {
2151 None
2152 }
2153 })
2154 .collect::<Vec<_>>();
2155
2156 let paths_to_refresh = paths
2157 .iter()
2158 .filter_map(|(_, target)| Some(target.strip_prefix(&worktree_path).ok()?.into()))
2159 .collect::<Vec<_>>();
2160
2161 cx.spawn(|this, cx| async move {
2162 cx.background_spawn(async move {
2163 for (source, target) in paths {
2164 copy_recursive(
2165 fs.as_ref(),
2166 &source,
2167 &target,
2168 fs::CopyOptions {
2169 overwrite: overwrite_existing_files,
2170 ..Default::default()
2171 },
2172 )
2173 .await
2174 .with_context(|| {
2175 anyhow!("Failed to copy file from {source:?} to {target:?}")
2176 })?;
2177 }
2178 Ok::<(), anyhow::Error>(())
2179 })
2180 .await
2181 .log_err();
2182 let mut refresh = cx.read_entity(
2183 &this.upgrade().with_context(|| "Dropped worktree")?,
2184 |this, _| {
2185 Ok::<postage::barrier::Receiver, anyhow::Error>(
2186 this.as_local()
2187 .with_context(|| "Worktree is not local")?
2188 .refresh_entries_for_paths(paths_to_refresh.clone()),
2189 )
2190 },
2191 )??;
2192
2193 cx.background_spawn(async move {
2194 refresh.next().await;
2195 Ok::<(), anyhow::Error>(())
2196 })
2197 .await
2198 .log_err();
2199
2200 let this = this.upgrade().with_context(|| "Dropped worktree")?;
2201 cx.read_entity(&this, |this, _| {
2202 paths_to_refresh
2203 .iter()
2204 .filter_map(|path| Some(this.entry_for_path(path)?.id))
2205 .collect()
2206 })
2207 })
2208 }
2209
2210 fn expand_entry(
2211 &self,
2212 entry_id: ProjectEntryId,
2213 cx: &Context<Worktree>,
2214 ) -> Option<Task<Result<()>>> {
2215 let path = self.entry_for_id(entry_id)?.path.clone();
2216 let mut refresh = self.refresh_entries_for_paths(vec![path]);
2217 Some(cx.background_spawn(async move {
2218 refresh.next().await;
2219 Ok(())
2220 }))
2221 }
2222
2223 fn expand_all_for_entry(
2224 &self,
2225 entry_id: ProjectEntryId,
2226 cx: &Context<Worktree>,
2227 ) -> Option<Task<Result<()>>> {
2228 let path = self.entry_for_id(entry_id).unwrap().path.clone();
2229 let mut rx = self.add_path_prefix_to_scan(path.clone());
2230 Some(cx.background_spawn(async move {
2231 rx.next().await;
2232 Ok(())
2233 }))
2234 }
2235
2236 fn refresh_entries_for_paths(&self, paths: Vec<Arc<Path>>) -> barrier::Receiver {
2237 let (tx, rx) = barrier::channel();
2238 self.scan_requests_tx
2239 .try_send(ScanRequest {
2240 relative_paths: paths,
2241 done: smallvec![tx],
2242 })
2243 .ok();
2244 rx
2245 }
2246
2247 pub fn add_path_prefix_to_scan(&self, path_prefix: Arc<Path>) -> barrier::Receiver {
2248 let (tx, rx) = barrier::channel();
2249 self.path_prefixes_to_scan_tx
2250 .try_send(PathPrefixScanRequest {
2251 path: path_prefix,
2252 done: smallvec![tx],
2253 })
2254 .ok();
2255 rx
2256 }
2257
2258 fn refresh_entry(
2259 &self,
2260 path: Arc<Path>,
2261 old_path: Option<Arc<Path>>,
2262 cx: &Context<Worktree>,
2263 ) -> Task<Result<Option<Entry>>> {
2264 if self.settings.is_path_excluded(&path) {
2265 return Task::ready(Ok(None));
2266 }
2267 let paths = if let Some(old_path) = old_path.as_ref() {
2268 vec![old_path.clone(), path.clone()]
2269 } else {
2270 vec![path.clone()]
2271 };
2272 let t0 = Instant::now();
2273 let mut refresh = self.refresh_entries_for_paths(paths);
2274 cx.spawn(move |this, mut cx| async move {
2275 refresh.recv().await;
2276 log::trace!("refreshed entry {path:?} in {:?}", t0.elapsed());
2277 let new_entry = this.update(&mut cx, |this, _| {
2278 this.entry_for_path(path)
2279 .cloned()
2280 .ok_or_else(|| anyhow!("failed to read path after update"))
2281 })??;
2282 Ok(Some(new_entry))
2283 })
2284 }
2285
2286 fn observe_updates<F, Fut>(&mut self, project_id: u64, cx: &Context<Worktree>, callback: F)
2287 where
2288 F: 'static + Send + Fn(proto::UpdateWorktree) -> Fut,
2289 Fut: Send + Future<Output = bool>,
2290 {
2291 if let Some(observer) = self.update_observer.as_mut() {
2292 *observer.resume_updates.borrow_mut() = ();
2293 return;
2294 }
2295
2296 let (resume_updates_tx, mut resume_updates_rx) = watch::channel::<()>();
2297 let (snapshots_tx, mut snapshots_rx) =
2298 mpsc::unbounded::<(LocalSnapshot, UpdatedEntriesSet, UpdatedGitRepositoriesSet)>();
2299 snapshots_tx
2300 .unbounded_send((self.snapshot(), Arc::default(), Arc::default()))
2301 .ok();
2302
2303 let worktree_id = cx.entity_id().as_u64();
2304 let _maintain_remote_snapshot = cx.background_spawn(async move {
2305 let mut is_first = true;
2306 while let Some((snapshot, entry_changes, repo_changes)) = snapshots_rx.next().await {
2307 let update = if is_first {
2308 is_first = false;
2309 snapshot.build_initial_update(project_id, worktree_id)
2310 } else {
2311 snapshot.build_update(project_id, worktree_id, entry_changes, repo_changes)
2312 };
2313
2314 for update in proto::split_worktree_update(update) {
2315 let _ = resume_updates_rx.try_recv();
2316 loop {
2317 let result = callback(update.clone());
2318 if result.await {
2319 break;
2320 } else {
2321 log::info!("waiting to resume updates");
2322 if resume_updates_rx.next().await.is_none() {
2323 return Some(());
2324 }
2325 }
2326 }
2327 }
2328 }
2329 Some(())
2330 });
2331
2332 self.update_observer = Some(UpdateObservationState {
2333 snapshots_tx,
2334 resume_updates: resume_updates_tx,
2335 _maintain_remote_snapshot,
2336 });
2337 }
2338
2339 pub fn share_private_files(&mut self, cx: &Context<Worktree>) {
2340 self.share_private_files = true;
2341 self.restart_background_scanners(cx);
2342 }
2343
2344 fn update_abs_path_and_refresh(
2345 &mut self,
2346 new_path: Option<SanitizedPath>,
2347 cx: &Context<Worktree>,
2348 ) {
2349 if let Some(new_path) = new_path {
2350 self.snapshot.git_repositories = Default::default();
2351 self.snapshot.ignores_by_parent_abs_path = Default::default();
2352 let root_name = new_path
2353 .as_path()
2354 .file_name()
2355 .map_or(String::new(), |f| f.to_string_lossy().to_string());
2356 self.snapshot.update_abs_path(new_path, root_name);
2357 }
2358 self.restart_background_scanners(cx);
2359 }
2360}
2361
2362impl RemoteWorktree {
2363 pub fn project_id(&self) -> u64 {
2364 self.project_id
2365 }
2366
2367 pub fn client(&self) -> AnyProtoClient {
2368 self.client.clone()
2369 }
2370
2371 pub fn disconnected_from_host(&mut self) {
2372 self.updates_tx.take();
2373 self.snapshot_subscriptions.clear();
2374 self.disconnected = true;
2375 }
2376
2377 pub fn update_from_remote(&self, update: proto::UpdateWorktree) {
2378 if let Some(updates_tx) = &self.updates_tx {
2379 updates_tx
2380 .unbounded_send(update)
2381 .expect("consumer runs to completion");
2382 }
2383 }
2384
2385 fn observe_updates<F, Fut>(&mut self, project_id: u64, cx: &Context<Worktree>, callback: F)
2386 where
2387 F: 'static + Send + Fn(proto::UpdateWorktree) -> Fut,
2388 Fut: 'static + Send + Future<Output = bool>,
2389 {
2390 let (tx, mut rx) = mpsc::unbounded();
2391 let initial_update = self
2392 .snapshot
2393 .build_initial_update(project_id, self.id().to_proto());
2394 self.update_observer = Some(tx);
2395 cx.spawn(|this, mut cx| async move {
2396 let mut update = initial_update;
2397 'outer: loop {
2398 // SSH projects use a special project ID of 0, and we need to
2399 // remap it to the correct one here.
2400 update.project_id = project_id;
2401
2402 for chunk in split_worktree_update(update) {
2403 if !callback(chunk).await {
2404 break 'outer;
2405 }
2406 }
2407
2408 if let Some(next_update) = rx.next().await {
2409 update = next_update;
2410 } else {
2411 break;
2412 }
2413 }
2414 this.update(&mut cx, |this, _| {
2415 let this = this.as_remote_mut().unwrap();
2416 this.update_observer.take();
2417 })
2418 })
2419 .detach();
2420 }
2421
2422 fn observed_snapshot(&self, scan_id: usize) -> bool {
2423 self.completed_scan_id >= scan_id
2424 }
2425
2426 pub fn wait_for_snapshot(&mut self, scan_id: usize) -> impl Future<Output = Result<()>> {
2427 let (tx, rx) = oneshot::channel();
2428 if self.observed_snapshot(scan_id) {
2429 let _ = tx.send(());
2430 } else if self.disconnected {
2431 drop(tx);
2432 } else {
2433 match self
2434 .snapshot_subscriptions
2435 .binary_search_by_key(&scan_id, |probe| probe.0)
2436 {
2437 Ok(ix) | Err(ix) => self.snapshot_subscriptions.insert(ix, (scan_id, tx)),
2438 }
2439 }
2440
2441 async move {
2442 rx.await?;
2443 Ok(())
2444 }
2445 }
2446
2447 fn insert_entry(
2448 &mut self,
2449 entry: proto::Entry,
2450 scan_id: usize,
2451 cx: &Context<Worktree>,
2452 ) -> Task<Result<Entry>> {
2453 let wait_for_snapshot = self.wait_for_snapshot(scan_id);
2454 cx.spawn(|this, mut cx| async move {
2455 wait_for_snapshot.await?;
2456 this.update(&mut cx, |worktree, _| {
2457 let worktree = worktree.as_remote_mut().unwrap();
2458 let snapshot = &mut worktree.background_snapshot.lock().0;
2459 let entry = snapshot.insert_entry(entry, &worktree.file_scan_inclusions);
2460 worktree.snapshot = snapshot.clone();
2461 entry
2462 })?
2463 })
2464 }
2465
2466 fn delete_entry(
2467 &self,
2468 entry_id: ProjectEntryId,
2469 trash: bool,
2470 cx: &Context<Worktree>,
2471 ) -> Option<Task<Result<()>>> {
2472 let response = self.client.request(proto::DeleteProjectEntry {
2473 project_id: self.project_id,
2474 entry_id: entry_id.to_proto(),
2475 use_trash: trash,
2476 });
2477 Some(cx.spawn(move |this, mut cx| async move {
2478 let response = response.await?;
2479 let scan_id = response.worktree_scan_id as usize;
2480
2481 this.update(&mut cx, move |this, _| {
2482 this.as_remote_mut().unwrap().wait_for_snapshot(scan_id)
2483 })?
2484 .await?;
2485
2486 this.update(&mut cx, |this, _| {
2487 let this = this.as_remote_mut().unwrap();
2488 let snapshot = &mut this.background_snapshot.lock().0;
2489 snapshot.delete_entry(entry_id);
2490 this.snapshot = snapshot.clone();
2491 })
2492 }))
2493 }
2494
2495 fn rename_entry(
2496 &self,
2497 entry_id: ProjectEntryId,
2498 new_path: impl Into<Arc<Path>>,
2499 cx: &Context<Worktree>,
2500 ) -> Task<Result<CreatedEntry>> {
2501 let new_path: Arc<Path> = new_path.into();
2502 let response = self.client.request(proto::RenameProjectEntry {
2503 project_id: self.project_id,
2504 entry_id: entry_id.to_proto(),
2505 new_path: new_path.as_ref().to_proto(),
2506 });
2507 cx.spawn(move |this, mut cx| async move {
2508 let response = response.await?;
2509 match response.entry {
2510 Some(entry) => this
2511 .update(&mut cx, |this, cx| {
2512 this.as_remote_mut().unwrap().insert_entry(
2513 entry,
2514 response.worktree_scan_id as usize,
2515 cx,
2516 )
2517 })?
2518 .await
2519 .map(CreatedEntry::Included),
2520 None => {
2521 let abs_path = this.update(&mut cx, |worktree, _| {
2522 worktree
2523 .absolutize(&new_path)
2524 .with_context(|| format!("absolutizing {new_path:?}"))
2525 })??;
2526 Ok(CreatedEntry::Excluded { abs_path })
2527 }
2528 }
2529 })
2530 }
2531}
2532
2533impl Snapshot {
2534 pub fn new(id: u64, root_name: String, abs_path: Arc<Path>) -> Self {
2535 Snapshot {
2536 id: WorktreeId::from_usize(id as usize),
2537 abs_path: abs_path.into(),
2538 root_char_bag: root_name.chars().map(|c| c.to_ascii_lowercase()).collect(),
2539 root_name,
2540 always_included_entries: Default::default(),
2541 entries_by_path: Default::default(),
2542 entries_by_id: Default::default(),
2543 repositories: Default::default(),
2544 scan_id: 1,
2545 completed_scan_id: 0,
2546 }
2547 }
2548
2549 pub fn id(&self) -> WorktreeId {
2550 self.id
2551 }
2552
2553 // TODO:
2554 // Consider the following:
2555 //
2556 // ```rust
2557 // let abs_path: Arc<Path> = snapshot.abs_path(); // e.g. "C:\Users\user\Desktop\project"
2558 // let some_non_trimmed_path = Path::new("\\\\?\\C:\\Users\\user\\Desktop\\project\\main.rs");
2559 // // The caller perform some actions here:
2560 // some_non_trimmed_path.strip_prefix(abs_path); // This fails
2561 // some_non_trimmed_path.starts_with(abs_path); // This fails too
2562 // ```
2563 //
2564 // This is definitely a bug, but it's not clear if we should handle it here or not.
2565 pub fn abs_path(&self) -> &Arc<Path> {
2566 self.abs_path.as_path()
2567 }
2568
2569 fn build_initial_update(&self, project_id: u64, worktree_id: u64) -> proto::UpdateWorktree {
2570 let mut updated_entries = self
2571 .entries_by_path
2572 .iter()
2573 .map(proto::Entry::from)
2574 .collect::<Vec<_>>();
2575 updated_entries.sort_unstable_by_key(|e| e.id);
2576
2577 let mut updated_repositories = self
2578 .repositories
2579 .iter()
2580 .map(|repository| repository.initial_update())
2581 .collect::<Vec<_>>();
2582 updated_repositories.sort_unstable_by_key(|e| e.work_directory_id);
2583
2584 proto::UpdateWorktree {
2585 project_id,
2586 worktree_id,
2587 abs_path: self.abs_path().to_proto(),
2588 root_name: self.root_name().to_string(),
2589 updated_entries,
2590 removed_entries: Vec::new(),
2591 scan_id: self.scan_id as u64,
2592 is_last_update: self.completed_scan_id == self.scan_id,
2593 updated_repositories,
2594 removed_repositories: Vec::new(),
2595 }
2596 }
2597
2598 pub fn absolutize(&self, path: &Path) -> Result<PathBuf> {
2599 if path
2600 .components()
2601 .any(|component| !matches!(component, std::path::Component::Normal(_)))
2602 {
2603 return Err(anyhow!("invalid path"));
2604 }
2605 if path.file_name().is_some() {
2606 Ok(self.abs_path.as_path().join(path))
2607 } else {
2608 Ok(self.abs_path.as_path().to_path_buf())
2609 }
2610 }
2611
2612 pub fn contains_entry(&self, entry_id: ProjectEntryId) -> bool {
2613 self.entries_by_id.get(&entry_id, &()).is_some()
2614 }
2615
2616 fn insert_entry(
2617 &mut self,
2618 entry: proto::Entry,
2619 always_included_paths: &PathMatcher,
2620 ) -> Result<Entry> {
2621 let entry = Entry::try_from((&self.root_char_bag, always_included_paths, entry))?;
2622 let old_entry = self.entries_by_id.insert_or_replace(
2623 PathEntry {
2624 id: entry.id,
2625 path: entry.path.clone(),
2626 is_ignored: entry.is_ignored,
2627 scan_id: 0,
2628 },
2629 &(),
2630 );
2631 if let Some(old_entry) = old_entry {
2632 self.entries_by_path.remove(&PathKey(old_entry.path), &());
2633 }
2634 self.entries_by_path.insert_or_replace(entry.clone(), &());
2635 Ok(entry)
2636 }
2637
2638 fn delete_entry(&mut self, entry_id: ProjectEntryId) -> Option<Arc<Path>> {
2639 let removed_entry = self.entries_by_id.remove(&entry_id, &())?;
2640 self.entries_by_path = {
2641 let mut cursor = self.entries_by_path.cursor::<TraversalProgress>(&());
2642 let mut new_entries_by_path =
2643 cursor.slice(&TraversalTarget::path(&removed_entry.path), Bias::Left, &());
2644 while let Some(entry) = cursor.item() {
2645 if entry.path.starts_with(&removed_entry.path) {
2646 self.entries_by_id.remove(&entry.id, &());
2647 cursor.next(&());
2648 } else {
2649 break;
2650 }
2651 }
2652 new_entries_by_path.append(cursor.suffix(&()), &());
2653 new_entries_by_path
2654 };
2655
2656 Some(removed_entry.path)
2657 }
2658
2659 pub fn status_for_file(&self, path: impl AsRef<Path>) -> Option<FileStatus> {
2660 let path = path.as_ref();
2661 self.repository_for_path(path).and_then(|repo| {
2662 let repo_path = repo.relativize(path).unwrap();
2663 repo.statuses_by_path
2664 .get(&PathKey(repo_path.0), &())
2665 .map(|entry| entry.status)
2666 })
2667 }
2668
2669 fn update_abs_path(&mut self, abs_path: SanitizedPath, root_name: String) {
2670 self.abs_path = abs_path;
2671 if root_name != self.root_name {
2672 self.root_char_bag = root_name.chars().map(|c| c.to_ascii_lowercase()).collect();
2673 self.root_name = root_name;
2674 }
2675 }
2676
2677 pub(crate) fn apply_remote_update(
2678 &mut self,
2679 mut update: proto::UpdateWorktree,
2680 always_included_paths: &PathMatcher,
2681 ) -> Result<()> {
2682 log::debug!(
2683 "applying remote worktree update. {} entries updated, {} removed",
2684 update.updated_entries.len(),
2685 update.removed_entries.len()
2686 );
2687 self.update_abs_path(
2688 SanitizedPath::from(PathBuf::from_proto(update.abs_path)),
2689 update.root_name,
2690 );
2691
2692 let mut entries_by_path_edits = Vec::new();
2693 let mut entries_by_id_edits = Vec::new();
2694
2695 for entry_id in update.removed_entries {
2696 let entry_id = ProjectEntryId::from_proto(entry_id);
2697 entries_by_id_edits.push(Edit::Remove(entry_id));
2698 if let Some(entry) = self.entry_for_id(entry_id) {
2699 entries_by_path_edits.push(Edit::Remove(PathKey(entry.path.clone())));
2700 }
2701 }
2702
2703 for entry in update.updated_entries {
2704 let entry = Entry::try_from((&self.root_char_bag, always_included_paths, entry))?;
2705 if let Some(PathEntry { path, .. }) = self.entries_by_id.get(&entry.id, &()) {
2706 entries_by_path_edits.push(Edit::Remove(PathKey(path.clone())));
2707 }
2708 if let Some(old_entry) = self.entries_by_path.get(&PathKey(entry.path.clone()), &()) {
2709 if old_entry.id != entry.id {
2710 entries_by_id_edits.push(Edit::Remove(old_entry.id));
2711 }
2712 }
2713 entries_by_id_edits.push(Edit::Insert(PathEntry {
2714 id: entry.id,
2715 path: entry.path.clone(),
2716 is_ignored: entry.is_ignored,
2717 scan_id: 0,
2718 }));
2719 entries_by_path_edits.push(Edit::Insert(entry));
2720 }
2721
2722 self.entries_by_path.edit(entries_by_path_edits, &());
2723 self.entries_by_id.edit(entries_by_id_edits, &());
2724
2725 update.removed_repositories.sort_unstable();
2726 self.repositories.retain(&(), |entry: &RepositoryEntry| {
2727 update
2728 .removed_repositories
2729 .binary_search(&entry.work_directory_id.to_proto())
2730 .is_err()
2731 });
2732
2733 for repository in update.updated_repositories {
2734 let work_directory_id = ProjectEntryId::from_proto(repository.work_directory_id);
2735 if let Some(work_dir_entry) = self.entry_for_id(work_directory_id) {
2736 let conflicted_paths = TreeSet::from_ordered_entries(
2737 repository
2738 .current_merge_conflicts
2739 .into_iter()
2740 .map(|path| RepoPath(Path::new(&path).into())),
2741 );
2742
2743 if self
2744 .repositories
2745 .contains(&PathKey(work_dir_entry.path.clone()), &())
2746 {
2747 let edits = repository
2748 .removed_statuses
2749 .into_iter()
2750 .map(|path| Edit::Remove(PathKey(FromProto::from_proto(path))))
2751 .chain(repository.updated_statuses.into_iter().filter_map(
2752 |updated_status| {
2753 Some(Edit::Insert(updated_status.try_into().log_err()?))
2754 },
2755 ))
2756 .collect::<Vec<_>>();
2757
2758 self.repositories
2759 .update(&PathKey(work_dir_entry.path.clone()), &(), |repo| {
2760 repo.current_branch =
2761 repository.branch_summary.as_ref().map(proto_to_branch);
2762 repo.statuses_by_path.edit(edits, &());
2763 repo.current_merge_conflicts = conflicted_paths
2764 });
2765 } else {
2766 let statuses = SumTree::from_iter(
2767 repository
2768 .updated_statuses
2769 .into_iter()
2770 .filter_map(|updated_status| updated_status.try_into().log_err()),
2771 &(),
2772 );
2773
2774 self.repositories.insert_or_replace(
2775 RepositoryEntry {
2776 work_directory_id,
2777 // When syncing repository entries from a peer, we don't need
2778 // the location_in_repo field, since git operations don't happen locally
2779 // anyway.
2780 work_directory: WorkDirectory::InProject {
2781 relative_path: work_dir_entry.path.clone(),
2782 },
2783 current_branch: repository.branch_summary.as_ref().map(proto_to_branch),
2784 statuses_by_path: statuses,
2785 current_merge_conflicts: conflicted_paths,
2786 },
2787 &(),
2788 );
2789 }
2790 } else {
2791 log::error!(
2792 "no work directory entry for repository {:?}",
2793 repository.work_directory_id
2794 )
2795 }
2796 }
2797
2798 self.scan_id = update.scan_id as usize;
2799 if update.is_last_update {
2800 self.completed_scan_id = update.scan_id as usize;
2801 }
2802
2803 Ok(())
2804 }
2805
2806 pub fn entry_count(&self) -> usize {
2807 self.entries_by_path.summary().count
2808 }
2809
2810 pub fn visible_entry_count(&self) -> usize {
2811 self.entries_by_path.summary().non_ignored_count
2812 }
2813
2814 pub fn dir_count(&self) -> usize {
2815 let summary = self.entries_by_path.summary();
2816 summary.count - summary.file_count
2817 }
2818
2819 pub fn visible_dir_count(&self) -> usize {
2820 let summary = self.entries_by_path.summary();
2821 summary.non_ignored_count - summary.non_ignored_file_count
2822 }
2823
2824 pub fn file_count(&self) -> usize {
2825 self.entries_by_path.summary().file_count
2826 }
2827
2828 pub fn visible_file_count(&self) -> usize {
2829 self.entries_by_path.summary().non_ignored_file_count
2830 }
2831
2832 fn traverse_from_offset(
2833 &self,
2834 include_files: bool,
2835 include_dirs: bool,
2836 include_ignored: bool,
2837 start_offset: usize,
2838 ) -> Traversal {
2839 let mut cursor = self.entries_by_path.cursor(&());
2840 cursor.seek(
2841 &TraversalTarget::Count {
2842 count: start_offset,
2843 include_files,
2844 include_dirs,
2845 include_ignored,
2846 },
2847 Bias::Right,
2848 &(),
2849 );
2850 Traversal {
2851 snapshot: self,
2852 cursor,
2853 include_files,
2854 include_dirs,
2855 include_ignored,
2856 }
2857 }
2858
2859 pub fn traverse_from_path(
2860 &self,
2861 include_files: bool,
2862 include_dirs: bool,
2863 include_ignored: bool,
2864 path: &Path,
2865 ) -> Traversal {
2866 Traversal::new(self, include_files, include_dirs, include_ignored, path)
2867 }
2868
2869 pub fn files(&self, include_ignored: bool, start: usize) -> Traversal {
2870 self.traverse_from_offset(true, false, include_ignored, start)
2871 }
2872
2873 pub fn directories(&self, include_ignored: bool, start: usize) -> Traversal {
2874 self.traverse_from_offset(false, true, include_ignored, start)
2875 }
2876
2877 pub fn entries(&self, include_ignored: bool, start: usize) -> Traversal {
2878 self.traverse_from_offset(true, true, include_ignored, start)
2879 }
2880
2881 #[cfg(any(feature = "test-support", test))]
2882 pub fn git_status(&self, work_dir: &Path) -> Option<Vec<StatusEntry>> {
2883 self.repositories
2884 .get(&PathKey(work_dir.into()), &())
2885 .map(|repo| repo.status().collect())
2886 }
2887
2888 pub fn repositories(&self) -> &SumTree<RepositoryEntry> {
2889 &self.repositories
2890 }
2891
2892 /// Get the repository whose work directory corresponds to the given path.
2893 pub(crate) fn repository(&self, work_directory: PathKey) -> Option<RepositoryEntry> {
2894 self.repositories.get(&work_directory, &()).cloned()
2895 }
2896
2897 /// Get the repository whose work directory contains the given path.
2898 #[track_caller]
2899 pub fn repository_for_path(&self, path: &Path) -> Option<&RepositoryEntry> {
2900 self.repositories
2901 .iter()
2902 .filter(|repo| repo.directory_contains(path))
2903 .last()
2904 }
2905
2906 /// Given an ordered iterator of entries, returns an iterator of those entries,
2907 /// along with their containing git repository.
2908 #[track_caller]
2909 pub fn entries_with_repositories<'a>(
2910 &'a self,
2911 entries: impl 'a + Iterator<Item = &'a Entry>,
2912 ) -> impl 'a + Iterator<Item = (&'a Entry, Option<&'a RepositoryEntry>)> {
2913 let mut containing_repos = Vec::<&RepositoryEntry>::new();
2914 let mut repositories = self.repositories().iter().peekable();
2915 entries.map(move |entry| {
2916 while let Some(repository) = containing_repos.last() {
2917 if repository.directory_contains(&entry.path) {
2918 break;
2919 } else {
2920 containing_repos.pop();
2921 }
2922 }
2923 while let Some(repository) = repositories.peek() {
2924 if repository.directory_contains(&entry.path) {
2925 containing_repos.push(repositories.next().unwrap());
2926 } else {
2927 break;
2928 }
2929 }
2930 let repo = containing_repos.last().copied();
2931 (entry, repo)
2932 })
2933 }
2934
2935 pub fn paths(&self) -> impl Iterator<Item = &Arc<Path>> {
2936 let empty_path = Path::new("");
2937 self.entries_by_path
2938 .cursor::<()>(&())
2939 .filter(move |entry| entry.path.as_ref() != empty_path)
2940 .map(|entry| &entry.path)
2941 }
2942
2943 pub fn child_entries<'a>(&'a self, parent_path: &'a Path) -> ChildEntriesIter<'a> {
2944 let options = ChildEntriesOptions {
2945 include_files: true,
2946 include_dirs: true,
2947 include_ignored: true,
2948 };
2949 self.child_entries_with_options(parent_path, options)
2950 }
2951
2952 pub fn child_entries_with_options<'a>(
2953 &'a self,
2954 parent_path: &'a Path,
2955 options: ChildEntriesOptions,
2956 ) -> ChildEntriesIter<'a> {
2957 let mut cursor = self.entries_by_path.cursor(&());
2958 cursor.seek(&TraversalTarget::path(parent_path), Bias::Right, &());
2959 let traversal = Traversal {
2960 snapshot: self,
2961 cursor,
2962 include_files: options.include_files,
2963 include_dirs: options.include_dirs,
2964 include_ignored: options.include_ignored,
2965 };
2966 ChildEntriesIter {
2967 traversal,
2968 parent_path,
2969 }
2970 }
2971
2972 pub fn root_entry(&self) -> Option<&Entry> {
2973 self.entry_for_path("")
2974 }
2975
2976 /// TODO: what's the difference between `root_dir` and `abs_path`?
2977 /// is there any? if so, document it.
2978 pub fn root_dir(&self) -> Option<Arc<Path>> {
2979 self.root_entry()
2980 .filter(|entry| entry.is_dir())
2981 .map(|_| self.abs_path().clone())
2982 }
2983
2984 pub fn root_name(&self) -> &str {
2985 &self.root_name
2986 }
2987
2988 pub fn root_git_entry(&self) -> Option<RepositoryEntry> {
2989 self.repositories
2990 .get(&PathKey(Path::new("").into()), &())
2991 .map(|entry| entry.to_owned())
2992 }
2993
2994 pub fn git_entry(&self, work_directory_path: Arc<Path>) -> Option<RepositoryEntry> {
2995 self.repositories
2996 .get(&PathKey(work_directory_path), &())
2997 .map(|entry| entry.to_owned())
2998 }
2999
3000 pub fn git_entries(&self) -> impl Iterator<Item = &RepositoryEntry> {
3001 self.repositories.iter()
3002 }
3003
3004 pub fn scan_id(&self) -> usize {
3005 self.scan_id
3006 }
3007
3008 pub fn entry_for_path(&self, path: impl AsRef<Path>) -> Option<&Entry> {
3009 let path = path.as_ref();
3010 debug_assert!(path.is_relative());
3011 self.traverse_from_path(true, true, true, path)
3012 .entry()
3013 .and_then(|entry| {
3014 if entry.path.as_ref() == path {
3015 Some(entry)
3016 } else {
3017 None
3018 }
3019 })
3020 }
3021
3022 pub fn entry_for_id(&self, id: ProjectEntryId) -> Option<&Entry> {
3023 let entry = self.entries_by_id.get(&id, &())?;
3024 self.entry_for_path(&entry.path)
3025 }
3026
3027 pub fn inode_for_path(&self, path: impl AsRef<Path>) -> Option<u64> {
3028 self.entry_for_path(path.as_ref()).map(|e| e.inode)
3029 }
3030}
3031
3032impl LocalSnapshot {
3033 pub fn local_repo_for_path(&self, path: &Path) -> Option<&LocalRepositoryEntry> {
3034 let repository_entry = self.repository_for_path(path)?;
3035 let work_directory_id = repository_entry.work_directory_id();
3036 self.git_repositories.get(&work_directory_id)
3037 }
3038
3039 fn build_update(
3040 &self,
3041 project_id: u64,
3042 worktree_id: u64,
3043 entry_changes: UpdatedEntriesSet,
3044 repo_changes: UpdatedGitRepositoriesSet,
3045 ) -> proto::UpdateWorktree {
3046 let mut updated_entries = Vec::new();
3047 let mut removed_entries = Vec::new();
3048 let mut updated_repositories = Vec::new();
3049 let mut removed_repositories = Vec::new();
3050
3051 for (_, entry_id, path_change) in entry_changes.iter() {
3052 if let PathChange::Removed = path_change {
3053 removed_entries.push(entry_id.0 as u64);
3054 } else if let Some(entry) = self.entry_for_id(*entry_id) {
3055 updated_entries.push(proto::Entry::from(entry));
3056 }
3057 }
3058
3059 for (work_dir_path, change) in repo_changes.iter() {
3060 let new_repo = self.repositories.get(&PathKey(work_dir_path.clone()), &());
3061 match (&change.old_repository, new_repo) {
3062 (Some(old_repo), Some(new_repo)) => {
3063 updated_repositories.push(new_repo.build_update(old_repo));
3064 }
3065 (None, Some(new_repo)) => {
3066 updated_repositories.push(new_repo.initial_update());
3067 }
3068 (Some(old_repo), None) => {
3069 removed_repositories.push(old_repo.work_directory_id.to_proto());
3070 }
3071 _ => {}
3072 }
3073 }
3074
3075 removed_entries.sort_unstable();
3076 updated_entries.sort_unstable_by_key(|e| e.id);
3077 removed_repositories.sort_unstable();
3078 updated_repositories.sort_unstable_by_key(|e| e.work_directory_id);
3079
3080 // TODO - optimize, knowing that removed_entries are sorted.
3081 removed_entries.retain(|id| updated_entries.binary_search_by_key(id, |e| e.id).is_err());
3082
3083 proto::UpdateWorktree {
3084 project_id,
3085 worktree_id,
3086 abs_path: self.abs_path().to_proto(),
3087 root_name: self.root_name().to_string(),
3088 updated_entries,
3089 removed_entries,
3090 scan_id: self.scan_id as u64,
3091 is_last_update: self.completed_scan_id == self.scan_id,
3092 updated_repositories,
3093 removed_repositories,
3094 }
3095 }
3096
3097 fn insert_entry(&mut self, mut entry: Entry, fs: &dyn Fs) -> Entry {
3098 if entry.is_file() && entry.path.file_name() == Some(&GITIGNORE) {
3099 let abs_path = self.abs_path.as_path().join(&entry.path);
3100 match smol::block_on(build_gitignore(&abs_path, fs)) {
3101 Ok(ignore) => {
3102 self.ignores_by_parent_abs_path
3103 .insert(abs_path.parent().unwrap().into(), (Arc::new(ignore), true));
3104 }
3105 Err(error) => {
3106 log::error!(
3107 "error loading .gitignore file {:?} - {:?}",
3108 &entry.path,
3109 error
3110 );
3111 }
3112 }
3113 }
3114
3115 if entry.kind == EntryKind::PendingDir {
3116 if let Some(existing_entry) =
3117 self.entries_by_path.get(&PathKey(entry.path.clone()), &())
3118 {
3119 entry.kind = existing_entry.kind;
3120 }
3121 }
3122
3123 let scan_id = self.scan_id;
3124 let removed = self.entries_by_path.insert_or_replace(entry.clone(), &());
3125 if let Some(removed) = removed {
3126 if removed.id != entry.id {
3127 self.entries_by_id.remove(&removed.id, &());
3128 }
3129 }
3130 self.entries_by_id.insert_or_replace(
3131 PathEntry {
3132 id: entry.id,
3133 path: entry.path.clone(),
3134 is_ignored: entry.is_ignored,
3135 scan_id,
3136 },
3137 &(),
3138 );
3139
3140 entry
3141 }
3142
3143 fn ancestor_inodes_for_path(&self, path: &Path) -> TreeSet<u64> {
3144 let mut inodes = TreeSet::default();
3145 for ancestor in path.ancestors().skip(1) {
3146 if let Some(entry) = self.entry_for_path(ancestor) {
3147 inodes.insert(entry.inode);
3148 }
3149 }
3150 inodes
3151 }
3152
3153 fn ignore_stack_for_abs_path(&self, abs_path: &Path, is_dir: bool) -> Arc<IgnoreStack> {
3154 let mut new_ignores = Vec::new();
3155 for (index, ancestor) in abs_path.ancestors().enumerate() {
3156 if index > 0 {
3157 if let Some((ignore, _)) = self.ignores_by_parent_abs_path.get(ancestor) {
3158 new_ignores.push((ancestor, Some(ignore.clone())));
3159 } else {
3160 new_ignores.push((ancestor, None));
3161 }
3162 }
3163 if ancestor.join(*DOT_GIT).exists() {
3164 break;
3165 }
3166 }
3167
3168 let mut ignore_stack = IgnoreStack::none();
3169 for (parent_abs_path, ignore) in new_ignores.into_iter().rev() {
3170 if ignore_stack.is_abs_path_ignored(parent_abs_path, true) {
3171 ignore_stack = IgnoreStack::all();
3172 break;
3173 } else if let Some(ignore) = ignore {
3174 ignore_stack = ignore_stack.append(parent_abs_path.into(), ignore);
3175 }
3176 }
3177
3178 if ignore_stack.is_abs_path_ignored(abs_path, is_dir) {
3179 ignore_stack = IgnoreStack::all();
3180 }
3181
3182 ignore_stack
3183 }
3184
3185 #[cfg(test)]
3186 pub(crate) fn expanded_entries(&self) -> impl Iterator<Item = &Entry> {
3187 self.entries_by_path
3188 .cursor::<()>(&())
3189 .filter(|entry| entry.kind == EntryKind::Dir && (entry.is_external || entry.is_ignored))
3190 }
3191
3192 #[cfg(test)]
3193 pub fn check_invariants(&self, git_state: bool) {
3194 use pretty_assertions::assert_eq;
3195
3196 assert_eq!(
3197 self.entries_by_path
3198 .cursor::<()>(&())
3199 .map(|e| (&e.path, e.id))
3200 .collect::<Vec<_>>(),
3201 self.entries_by_id
3202 .cursor::<()>(&())
3203 .map(|e| (&e.path, e.id))
3204 .collect::<collections::BTreeSet<_>>()
3205 .into_iter()
3206 .collect::<Vec<_>>(),
3207 "entries_by_path and entries_by_id are inconsistent"
3208 );
3209
3210 let mut files = self.files(true, 0);
3211 let mut visible_files = self.files(false, 0);
3212 for entry in self.entries_by_path.cursor::<()>(&()) {
3213 if entry.is_file() {
3214 assert_eq!(files.next().unwrap().inode, entry.inode);
3215 if (!entry.is_ignored && !entry.is_external) || entry.is_always_included {
3216 assert_eq!(visible_files.next().unwrap().inode, entry.inode);
3217 }
3218 }
3219 }
3220
3221 assert!(files.next().is_none());
3222 assert!(visible_files.next().is_none());
3223
3224 let mut bfs_paths = Vec::new();
3225 let mut stack = self
3226 .root_entry()
3227 .map(|e| e.path.as_ref())
3228 .into_iter()
3229 .collect::<Vec<_>>();
3230 while let Some(path) = stack.pop() {
3231 bfs_paths.push(path);
3232 let ix = stack.len();
3233 for child_entry in self.child_entries(path) {
3234 stack.insert(ix, &child_entry.path);
3235 }
3236 }
3237
3238 let dfs_paths_via_iter = self
3239 .entries_by_path
3240 .cursor::<()>(&())
3241 .map(|e| e.path.as_ref())
3242 .collect::<Vec<_>>();
3243 assert_eq!(bfs_paths, dfs_paths_via_iter);
3244
3245 let dfs_paths_via_traversal = self
3246 .entries(true, 0)
3247 .map(|e| e.path.as_ref())
3248 .collect::<Vec<_>>();
3249 assert_eq!(dfs_paths_via_traversal, dfs_paths_via_iter);
3250
3251 if git_state {
3252 for ignore_parent_abs_path in self.ignores_by_parent_abs_path.keys() {
3253 let ignore_parent_path = ignore_parent_abs_path
3254 .strip_prefix(self.abs_path.as_path())
3255 .unwrap();
3256 assert!(self.entry_for_path(ignore_parent_path).is_some());
3257 assert!(self
3258 .entry_for_path(ignore_parent_path.join(*GITIGNORE))
3259 .is_some());
3260 }
3261 }
3262 }
3263
3264 #[cfg(test)]
3265 fn check_git_invariants(&self) {
3266 let dotgit_paths = self
3267 .git_repositories
3268 .iter()
3269 .map(|repo| repo.1.dot_git_dir_abs_path.clone())
3270 .collect::<HashSet<_>>();
3271 let work_dir_paths = self
3272 .repositories
3273 .iter()
3274 .map(|repo| repo.work_directory.path_key())
3275 .collect::<HashSet<_>>();
3276 assert_eq!(dotgit_paths.len(), work_dir_paths.len());
3277 assert_eq!(self.repositories.iter().count(), work_dir_paths.len());
3278 assert_eq!(self.git_repositories.iter().count(), work_dir_paths.len());
3279 for entry in self.repositories.iter() {
3280 self.git_repositories.get(&entry.work_directory_id).unwrap();
3281 }
3282 }
3283
3284 #[cfg(test)]
3285 pub fn entries_without_ids(&self, include_ignored: bool) -> Vec<(&Path, u64, bool)> {
3286 let mut paths = Vec::new();
3287 for entry in self.entries_by_path.cursor::<()>(&()) {
3288 if include_ignored || !entry.is_ignored {
3289 paths.push((entry.path.as_ref(), entry.inode, entry.is_ignored));
3290 }
3291 }
3292 paths.sort_by(|a, b| a.0.cmp(b.0));
3293 paths
3294 }
3295}
3296
3297impl BackgroundScannerState {
3298 fn should_scan_directory(&self, entry: &Entry) -> bool {
3299 (!entry.is_external && (!entry.is_ignored || entry.is_always_included))
3300 || entry.path.file_name() == Some(*DOT_GIT)
3301 || entry.path.file_name() == Some(local_settings_folder_relative_path().as_os_str())
3302 || self.scanned_dirs.contains(&entry.id) // If we've ever scanned it, keep scanning
3303 || self
3304 .paths_to_scan
3305 .iter()
3306 .any(|p| p.starts_with(&entry.path))
3307 || self
3308 .path_prefixes_to_scan
3309 .iter()
3310 .any(|p| entry.path.starts_with(p))
3311 }
3312
3313 fn enqueue_scan_dir(&self, abs_path: Arc<Path>, entry: &Entry, scan_job_tx: &Sender<ScanJob>) {
3314 let path = entry.path.clone();
3315 let ignore_stack = self.snapshot.ignore_stack_for_abs_path(&abs_path, true);
3316 let mut ancestor_inodes = self.snapshot.ancestor_inodes_for_path(&path);
3317
3318 if !ancestor_inodes.contains(&entry.inode) {
3319 ancestor_inodes.insert(entry.inode);
3320 scan_job_tx
3321 .try_send(ScanJob {
3322 abs_path,
3323 path,
3324 ignore_stack,
3325 scan_queue: scan_job_tx.clone(),
3326 ancestor_inodes,
3327 is_external: entry.is_external,
3328 })
3329 .unwrap();
3330 }
3331 }
3332
3333 fn reuse_entry_id(&mut self, entry: &mut Entry) {
3334 if let Some(mtime) = entry.mtime {
3335 // If an entry with the same inode was removed from the worktree during this scan,
3336 // then it *might* represent the same file or directory. But the OS might also have
3337 // re-used the inode for a completely different file or directory.
3338 //
3339 // Conditionally reuse the old entry's id:
3340 // * if the mtime is the same, the file was probably been renamed.
3341 // * if the path is the same, the file may just have been updated
3342 if let Some(removed_entry) = self.removed_entries.remove(&entry.inode) {
3343 if removed_entry.mtime == Some(mtime) || removed_entry.path == entry.path {
3344 entry.id = removed_entry.id;
3345 }
3346 } else if let Some(existing_entry) = self.snapshot.entry_for_path(&entry.path) {
3347 entry.id = existing_entry.id;
3348 }
3349 }
3350 }
3351
3352 fn insert_entry(&mut self, mut entry: Entry, fs: &dyn Fs, watcher: &dyn Watcher) -> Entry {
3353 self.reuse_entry_id(&mut entry);
3354 let entry = self.snapshot.insert_entry(entry, fs);
3355 if entry.path.file_name() == Some(&DOT_GIT) {
3356 self.insert_git_repository(entry.path.clone(), fs, watcher);
3357 }
3358
3359 #[cfg(test)]
3360 self.snapshot.check_invariants(false);
3361
3362 entry
3363 }
3364
3365 fn populate_dir(
3366 &mut self,
3367 parent_path: &Arc<Path>,
3368 entries: impl IntoIterator<Item = Entry>,
3369 ignore: Option<Arc<Gitignore>>,
3370 ) {
3371 let mut parent_entry = if let Some(parent_entry) = self
3372 .snapshot
3373 .entries_by_path
3374 .get(&PathKey(parent_path.clone()), &())
3375 {
3376 parent_entry.clone()
3377 } else {
3378 log::warn!(
3379 "populating a directory {:?} that has been removed",
3380 parent_path
3381 );
3382 return;
3383 };
3384
3385 match parent_entry.kind {
3386 EntryKind::PendingDir | EntryKind::UnloadedDir => parent_entry.kind = EntryKind::Dir,
3387 EntryKind::Dir => {}
3388 _ => return,
3389 }
3390
3391 if let Some(ignore) = ignore {
3392 let abs_parent_path = self.snapshot.abs_path.as_path().join(parent_path).into();
3393 self.snapshot
3394 .ignores_by_parent_abs_path
3395 .insert(abs_parent_path, (ignore, false));
3396 }
3397
3398 let parent_entry_id = parent_entry.id;
3399 self.scanned_dirs.insert(parent_entry_id);
3400 let mut entries_by_path_edits = vec![Edit::Insert(parent_entry)];
3401 let mut entries_by_id_edits = Vec::new();
3402
3403 for entry in entries {
3404 entries_by_id_edits.push(Edit::Insert(PathEntry {
3405 id: entry.id,
3406 path: entry.path.clone(),
3407 is_ignored: entry.is_ignored,
3408 scan_id: self.snapshot.scan_id,
3409 }));
3410 entries_by_path_edits.push(Edit::Insert(entry));
3411 }
3412
3413 self.snapshot
3414 .entries_by_path
3415 .edit(entries_by_path_edits, &());
3416 self.snapshot.entries_by_id.edit(entries_by_id_edits, &());
3417
3418 if let Err(ix) = self.changed_paths.binary_search(parent_path) {
3419 self.changed_paths.insert(ix, parent_path.clone());
3420 }
3421
3422 #[cfg(test)]
3423 self.snapshot.check_invariants(false);
3424 }
3425
3426 fn remove_path(&mut self, path: &Path) {
3427 let mut new_entries;
3428 let removed_entries;
3429 {
3430 let mut cursor = self
3431 .snapshot
3432 .entries_by_path
3433 .cursor::<TraversalProgress>(&());
3434 new_entries = cursor.slice(&TraversalTarget::path(path), Bias::Left, &());
3435 removed_entries = cursor.slice(&TraversalTarget::successor(path), Bias::Left, &());
3436 new_entries.append(cursor.suffix(&()), &());
3437 }
3438 self.snapshot.entries_by_path = new_entries;
3439
3440 let mut removed_ids = Vec::with_capacity(removed_entries.summary().count);
3441 for entry in removed_entries.cursor::<()>(&()) {
3442 match self.removed_entries.entry(entry.inode) {
3443 hash_map::Entry::Occupied(mut e) => {
3444 let prev_removed_entry = e.get_mut();
3445 if entry.id > prev_removed_entry.id {
3446 *prev_removed_entry = entry.clone();
3447 }
3448 }
3449 hash_map::Entry::Vacant(e) => {
3450 e.insert(entry.clone());
3451 }
3452 }
3453
3454 if entry.path.file_name() == Some(&GITIGNORE) {
3455 let abs_parent_path = self
3456 .snapshot
3457 .abs_path
3458 .as_path()
3459 .join(entry.path.parent().unwrap());
3460 if let Some((_, needs_update)) = self
3461 .snapshot
3462 .ignores_by_parent_abs_path
3463 .get_mut(abs_parent_path.as_path())
3464 {
3465 *needs_update = true;
3466 }
3467 }
3468
3469 if let Err(ix) = removed_ids.binary_search(&entry.id) {
3470 removed_ids.insert(ix, entry.id);
3471 }
3472 }
3473
3474 self.snapshot.entries_by_id.edit(
3475 removed_ids.iter().map(|&id| Edit::Remove(id)).collect(),
3476 &(),
3477 );
3478 self.snapshot
3479 .git_repositories
3480 .retain(|id, _| removed_ids.binary_search(id).is_err());
3481 self.snapshot.repositories.retain(&(), |repository| {
3482 !repository.work_directory.path_key().0.starts_with(path)
3483 });
3484
3485 #[cfg(test)]
3486 self.snapshot.check_invariants(false);
3487 }
3488
3489 fn insert_git_repository(
3490 &mut self,
3491 dot_git_path: Arc<Path>,
3492 fs: &dyn Fs,
3493 watcher: &dyn Watcher,
3494 ) -> Option<LocalRepositoryEntry> {
3495 let work_dir_path: Arc<Path> = match dot_git_path.parent() {
3496 Some(parent_dir) => {
3497 // Guard against repositories inside the repository metadata
3498 if parent_dir.iter().any(|component| component == *DOT_GIT) {
3499 log::info!(
3500 "not building git repository for nested `.git` directory, `.git` path in the worktree: {dot_git_path:?}"
3501 );
3502 return None;
3503 };
3504 log::info!(
3505 "building git repository, `.git` path in the worktree: {dot_git_path:?}"
3506 );
3507
3508 parent_dir.into()
3509 }
3510 None => {
3511 // `dot_git_path.parent().is_none()` means `.git` directory is the opened worktree itself,
3512 // no files inside that directory are tracked by git, so no need to build the repo around it
3513 log::info!(
3514 "not building git repository for the worktree itself, `.git` path in the worktree: {dot_git_path:?}"
3515 );
3516 return None;
3517 }
3518 };
3519
3520 self.insert_git_repository_for_path(
3521 WorkDirectory::InProject {
3522 relative_path: work_dir_path,
3523 },
3524 dot_git_path,
3525 fs,
3526 watcher,
3527 )
3528 }
3529
3530 fn insert_git_repository_for_path(
3531 &mut self,
3532 work_directory: WorkDirectory,
3533 dot_git_path: Arc<Path>,
3534 fs: &dyn Fs,
3535 watcher: &dyn Watcher,
3536 ) -> Option<LocalRepositoryEntry> {
3537 let work_dir_id = self
3538 .snapshot
3539 .entry_for_path(work_directory.path_key().0)
3540 .map(|entry| entry.id)?;
3541
3542 if self.snapshot.git_repositories.get(&work_dir_id).is_some() {
3543 return None;
3544 }
3545
3546 let dot_git_abs_path = self.snapshot.abs_path.as_path().join(&dot_git_path);
3547
3548 let t0 = Instant::now();
3549 let repository = fs.open_repo(&dot_git_abs_path)?;
3550
3551 let repository_path = repository.path();
3552 watcher.add(&repository_path).log_err()?;
3553
3554 let actual_dot_git_dir_abs_path = repository.main_repository_path();
3555 let dot_git_worktree_abs_path = if actual_dot_git_dir_abs_path == dot_git_abs_path {
3556 None
3557 } else {
3558 // The two paths could be different because we opened a git worktree.
3559 // When that happens:
3560 //
3561 // * `dot_git_abs_path` is a file that points to the worktree-subdirectory in the actual
3562 // .git directory.
3563 //
3564 // * `repository_path` is the worktree-subdirectory.
3565 //
3566 // * `actual_dot_git_dir_abs_path` is the path to the actual .git directory. In git
3567 // documentation this is called the "commondir".
3568 watcher.add(&dot_git_abs_path).log_err()?;
3569 Some(Arc::from(dot_git_abs_path))
3570 };
3571
3572 log::trace!("constructed libgit2 repo in {:?}", t0.elapsed());
3573
3574 if let Some(git_hosting_provider_registry) = self.git_hosting_provider_registry.clone() {
3575 git_hosting_providers::register_additional_providers(
3576 git_hosting_provider_registry,
3577 repository.clone(),
3578 );
3579 }
3580
3581 self.snapshot.repositories.insert_or_replace(
3582 RepositoryEntry {
3583 work_directory_id: work_dir_id,
3584 work_directory: work_directory.clone(),
3585 current_branch: None,
3586 statuses_by_path: Default::default(),
3587 current_merge_conflicts: Default::default(),
3588 },
3589 &(),
3590 );
3591
3592 let local_repository = LocalRepositoryEntry {
3593 work_directory_id: work_dir_id,
3594 work_directory: work_directory.clone(),
3595 git_dir_scan_id: 0,
3596 status_scan_id: 0,
3597 repo_ptr: repository.clone(),
3598 dot_git_dir_abs_path: actual_dot_git_dir_abs_path.into(),
3599 dot_git_worktree_abs_path,
3600 current_merge_head_shas: Default::default(),
3601 merge_message: None,
3602 };
3603
3604 self.snapshot
3605 .git_repositories
3606 .insert(work_dir_id, local_repository.clone());
3607
3608 Some(local_repository)
3609 }
3610}
3611
3612async fn is_git_dir(path: &Path, fs: &dyn Fs) -> bool {
3613 if path.file_name() == Some(&*DOT_GIT) {
3614 return true;
3615 }
3616
3617 // If we're in a bare repository, we are not inside a `.git` folder. In a
3618 // bare repository, the root folder contains what would normally be in the
3619 // `.git` folder.
3620 let head_metadata = fs.metadata(&path.join("HEAD")).await;
3621 if !matches!(head_metadata, Ok(Some(_))) {
3622 return false;
3623 }
3624 let config_metadata = fs.metadata(&path.join("config")).await;
3625 matches!(config_metadata, Ok(Some(_)))
3626}
3627
3628async fn build_gitignore(abs_path: &Path, fs: &dyn Fs) -> Result<Gitignore> {
3629 let contents = fs.load(abs_path).await?;
3630 let parent = abs_path.parent().unwrap_or_else(|| Path::new("/"));
3631 let mut builder = GitignoreBuilder::new(parent);
3632 for line in contents.lines() {
3633 builder.add_line(Some(abs_path.into()), line)?;
3634 }
3635 Ok(builder.build()?)
3636}
3637
3638impl Deref for Worktree {
3639 type Target = Snapshot;
3640
3641 fn deref(&self) -> &Self::Target {
3642 match self {
3643 Worktree::Local(worktree) => &worktree.snapshot,
3644 Worktree::Remote(worktree) => &worktree.snapshot,
3645 }
3646 }
3647}
3648
3649impl Deref for LocalWorktree {
3650 type Target = LocalSnapshot;
3651
3652 fn deref(&self) -> &Self::Target {
3653 &self.snapshot
3654 }
3655}
3656
3657impl Deref for RemoteWorktree {
3658 type Target = Snapshot;
3659
3660 fn deref(&self) -> &Self::Target {
3661 &self.snapshot
3662 }
3663}
3664
3665impl fmt::Debug for LocalWorktree {
3666 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3667 self.snapshot.fmt(f)
3668 }
3669}
3670
3671impl fmt::Debug for Snapshot {
3672 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3673 struct EntriesById<'a>(&'a SumTree<PathEntry>);
3674 struct EntriesByPath<'a>(&'a SumTree<Entry>);
3675
3676 impl fmt::Debug for EntriesByPath<'_> {
3677 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3678 f.debug_map()
3679 .entries(self.0.iter().map(|entry| (&entry.path, entry.id)))
3680 .finish()
3681 }
3682 }
3683
3684 impl fmt::Debug for EntriesById<'_> {
3685 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
3686 f.debug_list().entries(self.0.iter()).finish()
3687 }
3688 }
3689
3690 f.debug_struct("Snapshot")
3691 .field("id", &self.id)
3692 .field("root_name", &self.root_name)
3693 .field("entries_by_path", &EntriesByPath(&self.entries_by_path))
3694 .field("entries_by_id", &EntriesById(&self.entries_by_id))
3695 .finish()
3696 }
3697}
3698
3699#[derive(Clone, PartialEq)]
3700pub struct File {
3701 pub worktree: Entity<Worktree>,
3702 pub path: Arc<Path>,
3703 pub disk_state: DiskState,
3704 pub entry_id: Option<ProjectEntryId>,
3705 pub is_local: bool,
3706 pub is_private: bool,
3707}
3708
3709impl language::File for File {
3710 fn as_local(&self) -> Option<&dyn language::LocalFile> {
3711 if self.is_local {
3712 Some(self)
3713 } else {
3714 None
3715 }
3716 }
3717
3718 fn disk_state(&self) -> DiskState {
3719 self.disk_state
3720 }
3721
3722 fn path(&self) -> &Arc<Path> {
3723 &self.path
3724 }
3725
3726 fn full_path(&self, cx: &App) -> PathBuf {
3727 let mut full_path = PathBuf::new();
3728 let worktree = self.worktree.read(cx);
3729
3730 if worktree.is_visible() {
3731 full_path.push(worktree.root_name());
3732 } else {
3733 let path = worktree.abs_path();
3734
3735 if worktree.is_local() && path.starts_with(home_dir().as_path()) {
3736 full_path.push("~");
3737 full_path.push(path.strip_prefix(home_dir().as_path()).unwrap());
3738 } else {
3739 full_path.push(path)
3740 }
3741 }
3742
3743 if self.path.components().next().is_some() {
3744 full_path.push(&self.path);
3745 }
3746
3747 full_path
3748 }
3749
3750 /// Returns the last component of this handle's absolute path. If this handle refers to the root
3751 /// of its worktree, then this method will return the name of the worktree itself.
3752 fn file_name<'a>(&'a self, cx: &'a App) -> &'a OsStr {
3753 self.path
3754 .file_name()
3755 .unwrap_or_else(|| OsStr::new(&self.worktree.read(cx).root_name))
3756 }
3757
3758 fn worktree_id(&self, cx: &App) -> WorktreeId {
3759 self.worktree.read(cx).id()
3760 }
3761
3762 fn as_any(&self) -> &dyn Any {
3763 self
3764 }
3765
3766 fn to_proto(&self, cx: &App) -> rpc::proto::File {
3767 rpc::proto::File {
3768 worktree_id: self.worktree.read(cx).id().to_proto(),
3769 entry_id: self.entry_id.map(|id| id.to_proto()),
3770 path: self.path.as_ref().to_proto(),
3771 mtime: self.disk_state.mtime().map(|time| time.into()),
3772 is_deleted: self.disk_state == DiskState::Deleted,
3773 }
3774 }
3775
3776 fn is_private(&self) -> bool {
3777 self.is_private
3778 }
3779}
3780
3781impl language::LocalFile for File {
3782 fn abs_path(&self, cx: &App) -> PathBuf {
3783 let worktree_path = &self.worktree.read(cx).as_local().unwrap().abs_path;
3784 if self.path.as_ref() == Path::new("") {
3785 worktree_path.as_path().to_path_buf()
3786 } else {
3787 worktree_path.as_path().join(&self.path)
3788 }
3789 }
3790
3791 fn load(&self, cx: &App) -> Task<Result<String>> {
3792 let worktree = self.worktree.read(cx).as_local().unwrap();
3793 let abs_path = worktree.absolutize(&self.path);
3794 let fs = worktree.fs.clone();
3795 cx.background_spawn(async move { fs.load(&abs_path?).await })
3796 }
3797
3798 fn load_bytes(&self, cx: &App) -> Task<Result<Vec<u8>>> {
3799 let worktree = self.worktree.read(cx).as_local().unwrap();
3800 let abs_path = worktree.absolutize(&self.path);
3801 let fs = worktree.fs.clone();
3802 cx.background_spawn(async move { fs.load_bytes(&abs_path?).await })
3803 }
3804}
3805
3806impl File {
3807 pub fn for_entry(entry: Entry, worktree: Entity<Worktree>) -> Arc<Self> {
3808 Arc::new(Self {
3809 worktree,
3810 path: entry.path.clone(),
3811 disk_state: if let Some(mtime) = entry.mtime {
3812 DiskState::Present { mtime }
3813 } else {
3814 DiskState::New
3815 },
3816 entry_id: Some(entry.id),
3817 is_local: true,
3818 is_private: entry.is_private,
3819 })
3820 }
3821
3822 pub fn from_proto(
3823 proto: rpc::proto::File,
3824 worktree: Entity<Worktree>,
3825 cx: &App,
3826 ) -> Result<Self> {
3827 let worktree_id = worktree
3828 .read(cx)
3829 .as_remote()
3830 .ok_or_else(|| anyhow!("not remote"))?
3831 .id();
3832
3833 if worktree_id.to_proto() != proto.worktree_id {
3834 return Err(anyhow!("worktree id does not match file"));
3835 }
3836
3837 let disk_state = if proto.is_deleted {
3838 DiskState::Deleted
3839 } else {
3840 if let Some(mtime) = proto.mtime.map(&Into::into) {
3841 DiskState::Present { mtime }
3842 } else {
3843 DiskState::New
3844 }
3845 };
3846
3847 Ok(Self {
3848 worktree,
3849 path: Arc::<Path>::from_proto(proto.path),
3850 disk_state,
3851 entry_id: proto.entry_id.map(ProjectEntryId::from_proto),
3852 is_local: false,
3853 is_private: false,
3854 })
3855 }
3856
3857 pub fn from_dyn(file: Option<&Arc<dyn language::File>>) -> Option<&Self> {
3858 file.and_then(|f| f.as_any().downcast_ref())
3859 }
3860
3861 pub fn worktree_id(&self, cx: &App) -> WorktreeId {
3862 self.worktree.read(cx).id()
3863 }
3864
3865 pub fn project_entry_id(&self, _: &App) -> Option<ProjectEntryId> {
3866 match self.disk_state {
3867 DiskState::Deleted => None,
3868 _ => self.entry_id,
3869 }
3870 }
3871}
3872
3873#[derive(Clone, Debug, PartialEq, Eq)]
3874pub struct Entry {
3875 pub id: ProjectEntryId,
3876 pub kind: EntryKind,
3877 pub path: Arc<Path>,
3878 pub inode: u64,
3879 pub mtime: Option<MTime>,
3880
3881 pub canonical_path: Option<Box<Path>>,
3882 /// Whether this entry is ignored by Git.
3883 ///
3884 /// We only scan ignored entries once the directory is expanded and
3885 /// exclude them from searches.
3886 pub is_ignored: bool,
3887
3888 /// Whether this entry is always included in searches.
3889 ///
3890 /// This is used for entries that are always included in searches, even
3891 /// if they are ignored by git. Overridden by file_scan_exclusions.
3892 pub is_always_included: bool,
3893
3894 /// Whether this entry's canonical path is outside of the worktree.
3895 /// This means the entry is only accessible from the worktree root via a
3896 /// symlink.
3897 ///
3898 /// We only scan entries outside of the worktree once the symlinked
3899 /// directory is expanded. External entries are treated like gitignored
3900 /// entries in that they are not included in searches.
3901 pub is_external: bool,
3902
3903 /// Whether this entry is considered to be a `.env` file.
3904 pub is_private: bool,
3905 /// The entry's size on disk, in bytes.
3906 pub size: u64,
3907 pub char_bag: CharBag,
3908 pub is_fifo: bool,
3909}
3910
3911#[derive(Clone, Copy, Debug, PartialEq, Eq)]
3912pub enum EntryKind {
3913 UnloadedDir,
3914 PendingDir,
3915 Dir,
3916 File,
3917}
3918
3919#[derive(Clone, Copy, Debug, PartialEq)]
3920pub enum PathChange {
3921 /// A filesystem entry was was created.
3922 Added,
3923 /// A filesystem entry was removed.
3924 Removed,
3925 /// A filesystem entry was updated.
3926 Updated,
3927 /// A filesystem entry was either updated or added. We don't know
3928 /// whether or not it already existed, because the path had not
3929 /// been loaded before the event.
3930 AddedOrUpdated,
3931 /// A filesystem entry was found during the initial scan of the worktree.
3932 Loaded,
3933}
3934
3935#[derive(Debug)]
3936pub struct GitRepositoryChange {
3937 /// The previous state of the repository, if it already existed.
3938 pub old_repository: Option<RepositoryEntry>,
3939}
3940
3941pub type UpdatedEntriesSet = Arc<[(Arc<Path>, ProjectEntryId, PathChange)]>;
3942pub type UpdatedGitRepositoriesSet = Arc<[(Arc<Path>, GitRepositoryChange)]>;
3943
3944#[derive(Clone, Debug, PartialEq, Eq)]
3945pub struct StatusEntry {
3946 pub repo_path: RepoPath,
3947 pub status: FileStatus,
3948}
3949
3950impl StatusEntry {
3951 pub fn is_staged(&self) -> Option<bool> {
3952 self.status.is_staged()
3953 }
3954
3955 fn to_proto(&self) -> proto::StatusEntry {
3956 let simple_status = match self.status {
3957 FileStatus::Ignored | FileStatus::Untracked => proto::GitStatus::Added as i32,
3958 FileStatus::Unmerged { .. } => proto::GitStatus::Conflict as i32,
3959 FileStatus::Tracked(TrackedStatus {
3960 index_status,
3961 worktree_status,
3962 }) => tracked_status_to_proto(if worktree_status != StatusCode::Unmodified {
3963 worktree_status
3964 } else {
3965 index_status
3966 }),
3967 };
3968
3969 proto::StatusEntry {
3970 repo_path: self.repo_path.as_ref().to_proto(),
3971 simple_status,
3972 status: Some(status_to_proto(self.status)),
3973 }
3974 }
3975}
3976
3977impl TryFrom<proto::StatusEntry> for StatusEntry {
3978 type Error = anyhow::Error;
3979
3980 fn try_from(value: proto::StatusEntry) -> Result<Self, Self::Error> {
3981 let repo_path = RepoPath(Arc::<Path>::from_proto(value.repo_path));
3982 let status = status_from_proto(value.simple_status, value.status)?;
3983 Ok(Self { repo_path, status })
3984 }
3985}
3986
3987#[derive(Clone, Debug)]
3988struct PathProgress<'a> {
3989 max_path: &'a Path,
3990}
3991
3992#[derive(Clone, Debug)]
3993pub struct PathSummary<S> {
3994 max_path: Arc<Path>,
3995 item_summary: S,
3996}
3997
3998impl<S: Summary> Summary for PathSummary<S> {
3999 type Context = S::Context;
4000
4001 fn zero(cx: &Self::Context) -> Self {
4002 Self {
4003 max_path: Path::new("").into(),
4004 item_summary: S::zero(cx),
4005 }
4006 }
4007
4008 fn add_summary(&mut self, rhs: &Self, cx: &Self::Context) {
4009 self.max_path = rhs.max_path.clone();
4010 self.item_summary.add_summary(&rhs.item_summary, cx);
4011 }
4012}
4013
4014impl<'a, S: Summary> sum_tree::Dimension<'a, PathSummary<S>> for PathProgress<'a> {
4015 fn zero(_: &<PathSummary<S> as Summary>::Context) -> Self {
4016 Self {
4017 max_path: Path::new(""),
4018 }
4019 }
4020
4021 fn add_summary(
4022 &mut self,
4023 summary: &'a PathSummary<S>,
4024 _: &<PathSummary<S> as Summary>::Context,
4025 ) {
4026 self.max_path = summary.max_path.as_ref()
4027 }
4028}
4029
4030impl sum_tree::Item for RepositoryEntry {
4031 type Summary = PathSummary<Unit>;
4032
4033 fn summary(&self, _: &<Self::Summary as Summary>::Context) -> Self::Summary {
4034 PathSummary {
4035 max_path: self.work_directory.path_key().0,
4036 item_summary: Unit,
4037 }
4038 }
4039}
4040
4041impl sum_tree::KeyedItem for RepositoryEntry {
4042 type Key = PathKey;
4043
4044 fn key(&self) -> Self::Key {
4045 self.work_directory.path_key()
4046 }
4047}
4048
4049impl sum_tree::Item for StatusEntry {
4050 type Summary = PathSummary<GitSummary>;
4051
4052 fn summary(&self, _: &<Self::Summary as Summary>::Context) -> Self::Summary {
4053 PathSummary {
4054 max_path: self.repo_path.0.clone(),
4055 item_summary: self.status.summary(),
4056 }
4057 }
4058}
4059
4060impl sum_tree::KeyedItem for StatusEntry {
4061 type Key = PathKey;
4062
4063 fn key(&self) -> Self::Key {
4064 PathKey(self.repo_path.0.clone())
4065 }
4066}
4067
4068impl<'a> sum_tree::Dimension<'a, PathSummary<GitSummary>> for GitSummary {
4069 fn zero(_cx: &()) -> Self {
4070 Default::default()
4071 }
4072
4073 fn add_summary(&mut self, summary: &'a PathSummary<GitSummary>, _: &()) {
4074 *self += summary.item_summary
4075 }
4076}
4077
4078impl<'a, S: Summary> sum_tree::Dimension<'a, PathSummary<S>> for PathKey {
4079 fn zero(_: &S::Context) -> Self {
4080 Default::default()
4081 }
4082
4083 fn add_summary(&mut self, summary: &'a PathSummary<S>, _: &S::Context) {
4084 self.0 = summary.max_path.clone();
4085 }
4086}
4087
4088impl<'a, S: Summary> sum_tree::Dimension<'a, PathSummary<S>> for TraversalProgress<'a> {
4089 fn zero(_cx: &S::Context) -> Self {
4090 Default::default()
4091 }
4092
4093 fn add_summary(&mut self, summary: &'a PathSummary<S>, _: &S::Context) {
4094 self.max_path = summary.max_path.as_ref();
4095 }
4096}
4097
4098impl Entry {
4099 fn new(
4100 path: Arc<Path>,
4101 metadata: &fs::Metadata,
4102 next_entry_id: &AtomicUsize,
4103 root_char_bag: CharBag,
4104 canonical_path: Option<Box<Path>>,
4105 ) -> Self {
4106 let char_bag = char_bag_for_path(root_char_bag, &path);
4107 Self {
4108 id: ProjectEntryId::new(next_entry_id),
4109 kind: if metadata.is_dir {
4110 EntryKind::PendingDir
4111 } else {
4112 EntryKind::File
4113 },
4114 path,
4115 inode: metadata.inode,
4116 mtime: Some(metadata.mtime),
4117 size: metadata.len,
4118 canonical_path,
4119 is_ignored: false,
4120 is_always_included: false,
4121 is_external: false,
4122 is_private: false,
4123 char_bag,
4124 is_fifo: metadata.is_fifo,
4125 }
4126 }
4127
4128 pub fn is_created(&self) -> bool {
4129 self.mtime.is_some()
4130 }
4131
4132 pub fn is_dir(&self) -> bool {
4133 self.kind.is_dir()
4134 }
4135
4136 pub fn is_file(&self) -> bool {
4137 self.kind.is_file()
4138 }
4139}
4140
4141impl EntryKind {
4142 pub fn is_dir(&self) -> bool {
4143 matches!(
4144 self,
4145 EntryKind::Dir | EntryKind::PendingDir | EntryKind::UnloadedDir
4146 )
4147 }
4148
4149 pub fn is_unloaded(&self) -> bool {
4150 matches!(self, EntryKind::UnloadedDir)
4151 }
4152
4153 pub fn is_file(&self) -> bool {
4154 matches!(self, EntryKind::File)
4155 }
4156}
4157
4158impl sum_tree::Item for Entry {
4159 type Summary = EntrySummary;
4160
4161 fn summary(&self, _cx: &()) -> Self::Summary {
4162 let non_ignored_count = if (self.is_ignored || self.is_external) && !self.is_always_included
4163 {
4164 0
4165 } else {
4166 1
4167 };
4168 let file_count;
4169 let non_ignored_file_count;
4170 if self.is_file() {
4171 file_count = 1;
4172 non_ignored_file_count = non_ignored_count;
4173 } else {
4174 file_count = 0;
4175 non_ignored_file_count = 0;
4176 }
4177
4178 EntrySummary {
4179 max_path: self.path.clone(),
4180 count: 1,
4181 non_ignored_count,
4182 file_count,
4183 non_ignored_file_count,
4184 }
4185 }
4186}
4187
4188impl sum_tree::KeyedItem for Entry {
4189 type Key = PathKey;
4190
4191 fn key(&self) -> Self::Key {
4192 PathKey(self.path.clone())
4193 }
4194}
4195
4196#[derive(Clone, Debug)]
4197pub struct EntrySummary {
4198 max_path: Arc<Path>,
4199 count: usize,
4200 non_ignored_count: usize,
4201 file_count: usize,
4202 non_ignored_file_count: usize,
4203}
4204
4205impl Default for EntrySummary {
4206 fn default() -> Self {
4207 Self {
4208 max_path: Arc::from(Path::new("")),
4209 count: 0,
4210 non_ignored_count: 0,
4211 file_count: 0,
4212 non_ignored_file_count: 0,
4213 }
4214 }
4215}
4216
4217impl sum_tree::Summary for EntrySummary {
4218 type Context = ();
4219
4220 fn zero(_cx: &()) -> Self {
4221 Default::default()
4222 }
4223
4224 fn add_summary(&mut self, rhs: &Self, _: &()) {
4225 self.max_path = rhs.max_path.clone();
4226 self.count += rhs.count;
4227 self.non_ignored_count += rhs.non_ignored_count;
4228 self.file_count += rhs.file_count;
4229 self.non_ignored_file_count += rhs.non_ignored_file_count;
4230 }
4231}
4232
4233#[derive(Clone, Debug)]
4234struct PathEntry {
4235 id: ProjectEntryId,
4236 path: Arc<Path>,
4237 is_ignored: bool,
4238 scan_id: usize,
4239}
4240
4241#[derive(Debug, Default)]
4242struct FsScanned {
4243 status_scans: Arc<AtomicU32>,
4244}
4245
4246impl sum_tree::Item for PathEntry {
4247 type Summary = PathEntrySummary;
4248
4249 fn summary(&self, _cx: &()) -> Self::Summary {
4250 PathEntrySummary { max_id: self.id }
4251 }
4252}
4253
4254impl sum_tree::KeyedItem for PathEntry {
4255 type Key = ProjectEntryId;
4256
4257 fn key(&self) -> Self::Key {
4258 self.id
4259 }
4260}
4261
4262#[derive(Clone, Debug, Default)]
4263struct PathEntrySummary {
4264 max_id: ProjectEntryId,
4265}
4266
4267impl sum_tree::Summary for PathEntrySummary {
4268 type Context = ();
4269
4270 fn zero(_cx: &Self::Context) -> Self {
4271 Default::default()
4272 }
4273
4274 fn add_summary(&mut self, summary: &Self, _: &Self::Context) {
4275 self.max_id = summary.max_id;
4276 }
4277}
4278
4279impl<'a> sum_tree::Dimension<'a, PathEntrySummary> for ProjectEntryId {
4280 fn zero(_cx: &()) -> Self {
4281 Default::default()
4282 }
4283
4284 fn add_summary(&mut self, summary: &'a PathEntrySummary, _: &()) {
4285 *self = summary.max_id;
4286 }
4287}
4288
4289#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
4290pub struct PathKey(Arc<Path>);
4291
4292impl Default for PathKey {
4293 fn default() -> Self {
4294 Self(Path::new("").into())
4295 }
4296}
4297
4298impl<'a> sum_tree::Dimension<'a, EntrySummary> for PathKey {
4299 fn zero(_cx: &()) -> Self {
4300 Default::default()
4301 }
4302
4303 fn add_summary(&mut self, summary: &'a EntrySummary, _: &()) {
4304 self.0 = summary.max_path.clone();
4305 }
4306}
4307
4308struct BackgroundScanner {
4309 state: Arc<Mutex<BackgroundScannerState>>,
4310 fs: Arc<dyn Fs>,
4311 fs_case_sensitive: bool,
4312 status_updates_tx: UnboundedSender<ScanState>,
4313 executor: BackgroundExecutor,
4314 scan_requests_rx: channel::Receiver<ScanRequest>,
4315 path_prefixes_to_scan_rx: channel::Receiver<PathPrefixScanRequest>,
4316 next_entry_id: Arc<AtomicUsize>,
4317 phase: BackgroundScannerPhase,
4318 watcher: Arc<dyn Watcher>,
4319 settings: WorktreeSettings,
4320 share_private_files: bool,
4321}
4322
4323#[derive(Copy, Clone, PartialEq)]
4324enum BackgroundScannerPhase {
4325 InitialScan,
4326 EventsReceivedDuringInitialScan,
4327 Events,
4328}
4329
4330impl BackgroundScanner {
4331 async fn run(&mut self, mut fs_events_rx: Pin<Box<dyn Send + Stream<Item = Vec<PathEvent>>>>) {
4332 // If the worktree root does not contain a git repository, then find
4333 // the git repository in an ancestor directory. Find any gitignore files
4334 // in ancestor directories.
4335 let root_abs_path = self.state.lock().snapshot.abs_path.clone();
4336 let mut containing_git_repository = None;
4337 for (index, ancestor) in root_abs_path.as_path().ancestors().enumerate() {
4338 if index != 0 {
4339 if Some(ancestor) == self.fs.home_dir().as_deref() {
4340 // Unless $HOME is itself the worktree root, don't consider it as a
4341 // containing git repository---expensive and likely unwanted.
4342 break;
4343 } else if let Ok(ignore) =
4344 build_gitignore(&ancestor.join(*GITIGNORE), self.fs.as_ref()).await
4345 {
4346 self.state
4347 .lock()
4348 .snapshot
4349 .ignores_by_parent_abs_path
4350 .insert(ancestor.into(), (ignore.into(), false));
4351 }
4352 }
4353
4354 let ancestor_dot_git = ancestor.join(*DOT_GIT);
4355 log::debug!("considering ancestor: {ancestor_dot_git:?}");
4356 // Check whether the directory or file called `.git` exists (in the
4357 // case of worktrees it's a file.)
4358 if self
4359 .fs
4360 .metadata(&ancestor_dot_git)
4361 .await
4362 .is_ok_and(|metadata| metadata.is_some())
4363 {
4364 log::debug!(".git path exists");
4365 if index != 0 {
4366 // We canonicalize, since the FS events use the canonicalized path.
4367 if let Some(ancestor_dot_git) =
4368 self.fs.canonicalize(&ancestor_dot_git).await.log_err()
4369 {
4370 let location_in_repo = root_abs_path
4371 .as_path()
4372 .strip_prefix(ancestor)
4373 .unwrap()
4374 .into();
4375 log::debug!(
4376 "inserting parent git repo for this worktree: {location_in_repo:?}"
4377 );
4378 // We associate the external git repo with our root folder and
4379 // also mark where in the git repo the root folder is located.
4380 let local_repository = self.state.lock().insert_git_repository_for_path(
4381 WorkDirectory::AboveProject {
4382 absolute_path: ancestor.into(),
4383 location_in_repo,
4384 },
4385 ancestor_dot_git.clone().into(),
4386 self.fs.as_ref(),
4387 self.watcher.as_ref(),
4388 );
4389
4390 if local_repository.is_some() {
4391 containing_git_repository = Some(ancestor_dot_git)
4392 }
4393 };
4394 }
4395
4396 // Reached root of git repository.
4397 break;
4398 } else {
4399 log::debug!(".git path doesn't exist");
4400 }
4401 }
4402
4403 log::debug!("containing git repository: {containing_git_repository:?}");
4404
4405 let (scan_job_tx, scan_job_rx) = channel::unbounded();
4406 {
4407 let mut state = self.state.lock();
4408 state.snapshot.scan_id += 1;
4409 if let Some(mut root_entry) = state.snapshot.root_entry().cloned() {
4410 let ignore_stack = state
4411 .snapshot
4412 .ignore_stack_for_abs_path(root_abs_path.as_path(), true);
4413 if ignore_stack.is_abs_path_ignored(root_abs_path.as_path(), true) {
4414 root_entry.is_ignored = true;
4415 state.insert_entry(root_entry.clone(), self.fs.as_ref(), self.watcher.as_ref());
4416 }
4417 state.enqueue_scan_dir(root_abs_path.into(), &root_entry, &scan_job_tx);
4418 }
4419 };
4420
4421 // Perform an initial scan of the directory.
4422 drop(scan_job_tx);
4423 let scans_running = self.scan_dirs(true, scan_job_rx).await;
4424 {
4425 let mut state = self.state.lock();
4426 state.snapshot.completed_scan_id = state.snapshot.scan_id;
4427 }
4428
4429 let scanning = scans_running.status_scans.load(atomic::Ordering::Acquire) > 0;
4430 self.send_status_update(scanning, SmallVec::new());
4431
4432 // Process any any FS events that occurred while performing the initial scan.
4433 // For these events, update events cannot be as precise, because we didn't
4434 // have the previous state loaded yet.
4435 self.phase = BackgroundScannerPhase::EventsReceivedDuringInitialScan;
4436 if let Poll::Ready(Some(mut paths)) = futures::poll!(fs_events_rx.next()) {
4437 while let Poll::Ready(Some(more_paths)) = futures::poll!(fs_events_rx.next()) {
4438 paths.extend(more_paths);
4439 }
4440 self.process_events(paths.into_iter().map(Into::into).collect())
4441 .await;
4442 }
4443 if let Some(abs_path) = containing_git_repository {
4444 self.process_events(vec![abs_path]).await;
4445 }
4446
4447 // Continue processing events until the worktree is dropped.
4448 self.phase = BackgroundScannerPhase::Events;
4449
4450 loop {
4451 select_biased! {
4452 // Process any path refresh requests from the worktree. Prioritize
4453 // these before handling changes reported by the filesystem.
4454 request = self.next_scan_request().fuse() => {
4455 let Ok(request) = request else { break };
4456 let scanning = scans_running.status_scans.load(atomic::Ordering::Acquire) > 0;
4457 if !self.process_scan_request(request, scanning).await {
4458 return;
4459 }
4460 }
4461
4462 path_prefix_request = self.path_prefixes_to_scan_rx.recv().fuse() => {
4463 let Ok(request) = path_prefix_request else { break };
4464 log::trace!("adding path prefix {:?}", request.path);
4465
4466 let did_scan = self.forcibly_load_paths(&[request.path.clone()]).await;
4467 if did_scan {
4468 let abs_path =
4469 {
4470 let mut state = self.state.lock();
4471 state.path_prefixes_to_scan.insert(request.path.clone());
4472 state.snapshot.abs_path.as_path().join(&request.path)
4473 };
4474
4475 if let Some(abs_path) = self.fs.canonicalize(&abs_path).await.log_err() {
4476 self.process_events(vec![abs_path]).await;
4477 }
4478 }
4479 let scanning = scans_running.status_scans.load(atomic::Ordering::Acquire) > 0;
4480 self.send_status_update(scanning, request.done);
4481 }
4482
4483 paths = fs_events_rx.next().fuse() => {
4484 let Some(mut paths) = paths else { break };
4485 while let Poll::Ready(Some(more_paths)) = futures::poll!(fs_events_rx.next()) {
4486 paths.extend(more_paths);
4487 }
4488 self.process_events(paths.into_iter().map(Into::into).collect()).await;
4489 }
4490 }
4491 }
4492 }
4493
4494 async fn process_scan_request(&self, mut request: ScanRequest, scanning: bool) -> bool {
4495 log::debug!("rescanning paths {:?}", request.relative_paths);
4496
4497 request.relative_paths.sort_unstable();
4498 self.forcibly_load_paths(&request.relative_paths).await;
4499
4500 let root_path = self.state.lock().snapshot.abs_path.clone();
4501 let root_canonical_path = match self.fs.canonicalize(root_path.as_path()).await {
4502 Ok(path) => SanitizedPath::from(path),
4503 Err(err) => {
4504 log::error!("failed to canonicalize root path: {}", err);
4505 return true;
4506 }
4507 };
4508 let abs_paths = request
4509 .relative_paths
4510 .iter()
4511 .map(|path| {
4512 if path.file_name().is_some() {
4513 root_canonical_path.as_path().join(path).to_path_buf()
4514 } else {
4515 root_canonical_path.as_path().to_path_buf()
4516 }
4517 })
4518 .collect::<Vec<_>>();
4519
4520 {
4521 let mut state = self.state.lock();
4522 let is_idle = state.snapshot.completed_scan_id == state.snapshot.scan_id;
4523 state.snapshot.scan_id += 1;
4524 if is_idle {
4525 state.snapshot.completed_scan_id = state.snapshot.scan_id;
4526 }
4527 }
4528
4529 self.reload_entries_for_paths(
4530 root_path,
4531 root_canonical_path,
4532 &request.relative_paths,
4533 abs_paths,
4534 None,
4535 )
4536 .await;
4537
4538 self.send_status_update(scanning, request.done)
4539 }
4540
4541 async fn process_events(&self, mut abs_paths: Vec<PathBuf>) {
4542 let root_path = self.state.lock().snapshot.abs_path.clone();
4543 let root_canonical_path = match self.fs.canonicalize(root_path.as_path()).await {
4544 Ok(path) => SanitizedPath::from(path),
4545 Err(err) => {
4546 let new_path = self
4547 .state
4548 .lock()
4549 .snapshot
4550 .root_file_handle
4551 .clone()
4552 .and_then(|handle| handle.current_path(&self.fs).log_err())
4553 .map(SanitizedPath::from)
4554 .filter(|new_path| *new_path != root_path);
4555
4556 if let Some(new_path) = new_path.as_ref() {
4557 log::info!(
4558 "root renamed from {} to {}",
4559 root_path.as_path().display(),
4560 new_path.as_path().display()
4561 )
4562 } else {
4563 log::warn!("root path could not be canonicalized: {}", err);
4564 }
4565 self.status_updates_tx
4566 .unbounded_send(ScanState::RootUpdated { new_path })
4567 .ok();
4568 return;
4569 }
4570 };
4571
4572 // Certain directories may have FS changes, but do not lead to git data changes that Zed cares about.
4573 // Ignore these, to avoid Zed unnecessarily rescanning git metadata.
4574 let skipped_files_in_dot_git = HashSet::from_iter([*COMMIT_MESSAGE, *INDEX_LOCK]);
4575 let skipped_dirs_in_dot_git = [*FSMONITOR_DAEMON, *LFS_DIR];
4576
4577 let mut relative_paths = Vec::with_capacity(abs_paths.len());
4578 let mut dot_git_abs_paths = Vec::new();
4579 abs_paths.sort_unstable();
4580 abs_paths.dedup_by(|a, b| a.starts_with(b));
4581 abs_paths.retain(|abs_path| {
4582 let abs_path = SanitizedPath::from(abs_path);
4583
4584 let snapshot = &self.state.lock().snapshot;
4585 {
4586 let mut is_git_related = false;
4587
4588 let dot_git_paths = abs_path.as_path().ancestors().find_map(|ancestor| {
4589 if smol::block_on(is_git_dir(ancestor, self.fs.as_ref())) {
4590 let path_in_git_dir = abs_path.as_path().strip_prefix(ancestor).expect("stripping off the ancestor");
4591 Some((ancestor.to_owned(), path_in_git_dir.to_owned()))
4592 } else {
4593 None
4594 }
4595 });
4596
4597 if let Some((dot_git_abs_path, path_in_git_dir)) = dot_git_paths {
4598 if skipped_files_in_dot_git.contains(path_in_git_dir.as_os_str()) || skipped_dirs_in_dot_git.iter().any(|skipped_git_subdir| path_in_git_dir.starts_with(skipped_git_subdir)) {
4599 log::debug!("ignoring event {abs_path:?} as it's in the .git directory among skipped files or directories");
4600 return false;
4601 }
4602
4603 is_git_related = true;
4604 if !dot_git_abs_paths.contains(&dot_git_abs_path) {
4605 dot_git_abs_paths.push(dot_git_abs_path);
4606 }
4607 }
4608
4609 let relative_path: Arc<Path> =
4610 if let Ok(path) = abs_path.strip_prefix(&root_canonical_path) {
4611 path.into()
4612 } else {
4613 if is_git_related {
4614 log::debug!(
4615 "ignoring event {abs_path:?}, since it's in git dir outside of root path {root_canonical_path:?}",
4616 );
4617 } else {
4618 log::error!(
4619 "ignoring event {abs_path:?} outside of root path {root_canonical_path:?}",
4620 );
4621 }
4622 return false;
4623 };
4624
4625 if abs_path.0.file_name() == Some(*GITIGNORE) {
4626 for (_, repo) in snapshot.git_repositories.iter().filter(|(_, repo)| repo.directory_contains(&relative_path)) {
4627 if !dot_git_abs_paths.iter().any(|dot_git_abs_path| dot_git_abs_path == repo.dot_git_dir_abs_path.as_ref()) {
4628 dot_git_abs_paths.push(repo.dot_git_dir_abs_path.to_path_buf());
4629 }
4630 }
4631 }
4632
4633 let parent_dir_is_loaded = relative_path.parent().map_or(true, |parent| {
4634 snapshot
4635 .entry_for_path(parent)
4636 .map_or(false, |entry| entry.kind == EntryKind::Dir)
4637 });
4638 if !parent_dir_is_loaded {
4639 log::debug!("ignoring event {relative_path:?} within unloaded directory");
4640 return false;
4641 }
4642
4643 if self.settings.is_path_excluded(&relative_path) {
4644 if !is_git_related {
4645 log::debug!("ignoring FS event for excluded path {relative_path:?}");
4646 }
4647 return false;
4648 }
4649
4650 relative_paths.push(relative_path);
4651 true
4652 }
4653 });
4654
4655 if relative_paths.is_empty() && dot_git_abs_paths.is_empty() {
4656 return;
4657 }
4658
4659 self.state.lock().snapshot.scan_id += 1;
4660
4661 let (scan_job_tx, scan_job_rx) = channel::unbounded();
4662 log::debug!("received fs events {:?}", relative_paths);
4663 self.reload_entries_for_paths(
4664 root_path,
4665 root_canonical_path,
4666 &relative_paths,
4667 abs_paths,
4668 Some(scan_job_tx.clone()),
4669 )
4670 .await;
4671
4672 self.update_ignore_statuses(scan_job_tx).await;
4673 let scans_running = self.scan_dirs(false, scan_job_rx).await;
4674
4675 let status_update = if !dot_git_abs_paths.is_empty() {
4676 Some(self.update_git_repositories(dot_git_abs_paths))
4677 } else {
4678 None
4679 };
4680
4681 let phase = self.phase;
4682 let status_update_tx = self.status_updates_tx.clone();
4683 let state = self.state.clone();
4684 self.executor
4685 .spawn(async move {
4686 if let Some(status_update) = status_update {
4687 status_update.await;
4688 }
4689
4690 {
4691 let mut state = state.lock();
4692 state.snapshot.completed_scan_id = state.snapshot.scan_id;
4693 for (_, entry) in mem::take(&mut state.removed_entries) {
4694 state.scanned_dirs.remove(&entry.id);
4695 }
4696 #[cfg(test)]
4697 state.snapshot.check_git_invariants();
4698 }
4699 let scanning = scans_running.status_scans.load(atomic::Ordering::Acquire) > 0;
4700 send_status_update_inner(phase, state, status_update_tx, scanning, SmallVec::new());
4701 })
4702 .detach();
4703 }
4704
4705 async fn forcibly_load_paths(&self, paths: &[Arc<Path>]) -> bool {
4706 let (scan_job_tx, scan_job_rx) = channel::unbounded();
4707 {
4708 let mut state = self.state.lock();
4709 let root_path = state.snapshot.abs_path.clone();
4710 for path in paths {
4711 for ancestor in path.ancestors() {
4712 if let Some(entry) = state.snapshot.entry_for_path(ancestor) {
4713 if entry.kind == EntryKind::UnloadedDir {
4714 let abs_path = root_path.as_path().join(ancestor);
4715 state.enqueue_scan_dir(abs_path.into(), entry, &scan_job_tx);
4716 state.paths_to_scan.insert(path.clone());
4717 break;
4718 }
4719 }
4720 }
4721 }
4722 drop(scan_job_tx);
4723 }
4724 let scans_running = Arc::new(AtomicU32::new(0));
4725 while let Ok(job) = scan_job_rx.recv().await {
4726 self.scan_dir(&scans_running, &job).await.log_err();
4727 }
4728
4729 !mem::take(&mut self.state.lock().paths_to_scan).is_empty()
4730 }
4731
4732 async fn scan_dirs(
4733 &self,
4734 enable_progress_updates: bool,
4735 scan_jobs_rx: channel::Receiver<ScanJob>,
4736 ) -> FsScanned {
4737 if self
4738 .status_updates_tx
4739 .unbounded_send(ScanState::Started)
4740 .is_err()
4741 {
4742 return FsScanned::default();
4743 }
4744
4745 let scans_running = Arc::new(AtomicU32::new(1));
4746 let progress_update_count = AtomicUsize::new(0);
4747 self.executor
4748 .scoped(|scope| {
4749 for _ in 0..self.executor.num_cpus() {
4750 scope.spawn(async {
4751 let mut last_progress_update_count = 0;
4752 let progress_update_timer = self.progress_timer(enable_progress_updates).fuse();
4753 futures::pin_mut!(progress_update_timer);
4754
4755 loop {
4756 select_biased! {
4757 // Process any path refresh requests before moving on to process
4758 // the scan queue, so that user operations are prioritized.
4759 request = self.next_scan_request().fuse() => {
4760 let Ok(request) = request else { break };
4761 if !self.process_scan_request(request, true).await {
4762 return;
4763 }
4764 }
4765
4766 // Send periodic progress updates to the worktree. Use an atomic counter
4767 // to ensure that only one of the workers sends a progress update after
4768 // the update interval elapses.
4769 _ = progress_update_timer => {
4770 match progress_update_count.compare_exchange(
4771 last_progress_update_count,
4772 last_progress_update_count + 1,
4773 SeqCst,
4774 SeqCst
4775 ) {
4776 Ok(_) => {
4777 last_progress_update_count += 1;
4778 self.send_status_update(true, SmallVec::new());
4779 }
4780 Err(count) => {
4781 last_progress_update_count = count;
4782 }
4783 }
4784 progress_update_timer.set(self.progress_timer(enable_progress_updates).fuse());
4785 }
4786
4787 // Recursively load directories from the file system.
4788 job = scan_jobs_rx.recv().fuse() => {
4789 let Ok(job) = job else { break };
4790 if let Err(err) = self.scan_dir(&scans_running, &job).await {
4791 if job.path.as_ref() != Path::new("") {
4792 log::error!("error scanning directory {:?}: {}", job.abs_path, err);
4793 }
4794 }
4795 }
4796 }
4797 }
4798 });
4799 }
4800 })
4801 .await;
4802
4803 scans_running.fetch_sub(1, atomic::Ordering::Release);
4804 FsScanned {
4805 status_scans: scans_running,
4806 }
4807 }
4808
4809 fn send_status_update(&self, scanning: bool, barrier: SmallVec<[barrier::Sender; 1]>) -> bool {
4810 send_status_update_inner(
4811 self.phase,
4812 self.state.clone(),
4813 self.status_updates_tx.clone(),
4814 scanning,
4815 barrier,
4816 )
4817 }
4818
4819 async fn scan_dir(&self, scans_running: &Arc<AtomicU32>, job: &ScanJob) -> Result<()> {
4820 let root_abs_path;
4821 let root_char_bag;
4822 {
4823 let snapshot = &self.state.lock().snapshot;
4824 if self.settings.is_path_excluded(&job.path) {
4825 log::error!("skipping excluded directory {:?}", job.path);
4826 return Ok(());
4827 }
4828 log::debug!("scanning directory {:?}", job.path);
4829 root_abs_path = snapshot.abs_path().clone();
4830 root_char_bag = snapshot.root_char_bag;
4831 }
4832
4833 let next_entry_id = self.next_entry_id.clone();
4834 let mut ignore_stack = job.ignore_stack.clone();
4835 let mut new_ignore = None;
4836 let mut root_canonical_path = None;
4837 let mut new_entries: Vec<Entry> = Vec::new();
4838 let mut new_jobs: Vec<Option<ScanJob>> = Vec::new();
4839 let mut child_paths = self
4840 .fs
4841 .read_dir(&job.abs_path)
4842 .await?
4843 .filter_map(|entry| async {
4844 match entry {
4845 Ok(entry) => Some(entry),
4846 Err(error) => {
4847 log::error!("error processing entry {:?}", error);
4848 None
4849 }
4850 }
4851 })
4852 .collect::<Vec<_>>()
4853 .await;
4854
4855 // Ensure that .git and .gitignore are processed first.
4856 swap_to_front(&mut child_paths, *GITIGNORE);
4857 swap_to_front(&mut child_paths, *DOT_GIT);
4858
4859 let mut git_status_update_jobs = Vec::new();
4860 for child_abs_path in child_paths {
4861 let child_abs_path: Arc<Path> = child_abs_path.into();
4862 let child_name = child_abs_path.file_name().unwrap();
4863 let child_path: Arc<Path> = job.path.join(child_name).into();
4864
4865 if child_name == *DOT_GIT {
4866 {
4867 let mut state = self.state.lock();
4868 let repo = state.insert_git_repository(
4869 child_path.clone(),
4870 self.fs.as_ref(),
4871 self.watcher.as_ref(),
4872 );
4873 if let Some(local_repo) = repo {
4874 scans_running.fetch_add(1, atomic::Ordering::Release);
4875 git_status_update_jobs
4876 .push(self.schedule_git_statuses_update(&mut state, local_repo));
4877 }
4878 }
4879 } else if child_name == *GITIGNORE {
4880 match build_gitignore(&child_abs_path, self.fs.as_ref()).await {
4881 Ok(ignore) => {
4882 let ignore = Arc::new(ignore);
4883 ignore_stack = ignore_stack.append(job.abs_path.clone(), ignore.clone());
4884 new_ignore = Some(ignore);
4885 }
4886 Err(error) => {
4887 log::error!(
4888 "error loading .gitignore file {:?} - {:?}",
4889 child_name,
4890 error
4891 );
4892 }
4893 }
4894 }
4895
4896 if self.settings.is_path_excluded(&child_path) {
4897 log::debug!("skipping excluded child entry {child_path:?}");
4898 self.state.lock().remove_path(&child_path);
4899 continue;
4900 }
4901
4902 let child_metadata = match self.fs.metadata(&child_abs_path).await {
4903 Ok(Some(metadata)) => metadata,
4904 Ok(None) => continue,
4905 Err(err) => {
4906 log::error!("error processing {child_abs_path:?}: {err:?}");
4907 continue;
4908 }
4909 };
4910
4911 let mut child_entry = Entry::new(
4912 child_path.clone(),
4913 &child_metadata,
4914 &next_entry_id,
4915 root_char_bag,
4916 None,
4917 );
4918
4919 if job.is_external {
4920 child_entry.is_external = true;
4921 } else if child_metadata.is_symlink {
4922 let canonical_path = match self.fs.canonicalize(&child_abs_path).await {
4923 Ok(path) => path,
4924 Err(err) => {
4925 log::error!(
4926 "error reading target of symlink {:?}: {:?}",
4927 child_abs_path,
4928 err
4929 );
4930 continue;
4931 }
4932 };
4933
4934 // lazily canonicalize the root path in order to determine if
4935 // symlinks point outside of the worktree.
4936 let root_canonical_path = match &root_canonical_path {
4937 Some(path) => path,
4938 None => match self.fs.canonicalize(&root_abs_path).await {
4939 Ok(path) => root_canonical_path.insert(path),
4940 Err(err) => {
4941 log::error!("error canonicalizing root {:?}: {:?}", root_abs_path, err);
4942 continue;
4943 }
4944 },
4945 };
4946
4947 if !canonical_path.starts_with(root_canonical_path) {
4948 child_entry.is_external = true;
4949 }
4950
4951 child_entry.canonical_path = Some(canonical_path.into());
4952 }
4953
4954 if child_entry.is_dir() {
4955 child_entry.is_ignored = ignore_stack.is_abs_path_ignored(&child_abs_path, true);
4956 child_entry.is_always_included = self.settings.is_path_always_included(&child_path);
4957
4958 // Avoid recursing until crash in the case of a recursive symlink
4959 if job.ancestor_inodes.contains(&child_entry.inode) {
4960 new_jobs.push(None);
4961 } else {
4962 let mut ancestor_inodes = job.ancestor_inodes.clone();
4963 ancestor_inodes.insert(child_entry.inode);
4964
4965 new_jobs.push(Some(ScanJob {
4966 abs_path: child_abs_path.clone(),
4967 path: child_path,
4968 is_external: child_entry.is_external,
4969 ignore_stack: if child_entry.is_ignored {
4970 IgnoreStack::all()
4971 } else {
4972 ignore_stack.clone()
4973 },
4974 ancestor_inodes,
4975 scan_queue: job.scan_queue.clone(),
4976 }));
4977 }
4978 } else {
4979 child_entry.is_ignored = ignore_stack.is_abs_path_ignored(&child_abs_path, false);
4980 child_entry.is_always_included = self.settings.is_path_always_included(&child_path);
4981 }
4982
4983 {
4984 let relative_path = job.path.join(child_name);
4985 if self.is_path_private(&relative_path) {
4986 log::debug!("detected private file: {relative_path:?}");
4987 child_entry.is_private = true;
4988 }
4989 }
4990
4991 new_entries.push(child_entry);
4992 }
4993
4994 let task_state = self.state.clone();
4995 let phase = self.phase;
4996 let status_updates_tx = self.status_updates_tx.clone();
4997 let scans_running = scans_running.clone();
4998 self.executor
4999 .spawn(async move {
5000 if !git_status_update_jobs.is_empty() {
5001 let status_updates = join_all(git_status_update_jobs).await;
5002 let status_updated = status_updates
5003 .iter()
5004 .any(|update_result| update_result.is_ok());
5005 scans_running.fetch_sub(status_updates.len() as u32, atomic::Ordering::Release);
5006 if status_updated {
5007 let scanning = scans_running.load(atomic::Ordering::Acquire) > 0;
5008 send_status_update_inner(
5009 phase,
5010 task_state,
5011 status_updates_tx,
5012 scanning,
5013 SmallVec::new(),
5014 );
5015 }
5016 }
5017 })
5018 .detach();
5019
5020 let mut state = self.state.lock();
5021
5022 // Identify any subdirectories that should not be scanned.
5023 let mut job_ix = 0;
5024 for entry in &mut new_entries {
5025 state.reuse_entry_id(entry);
5026 if entry.is_dir() {
5027 if state.should_scan_directory(entry) {
5028 job_ix += 1;
5029 } else {
5030 log::debug!("defer scanning directory {:?}", entry.path);
5031 entry.kind = EntryKind::UnloadedDir;
5032 new_jobs.remove(job_ix);
5033 }
5034 }
5035 if entry.is_always_included {
5036 state
5037 .snapshot
5038 .always_included_entries
5039 .push(entry.path.clone());
5040 }
5041 }
5042
5043 state.populate_dir(&job.path, new_entries, new_ignore);
5044 self.watcher.add(job.abs_path.as_ref()).log_err();
5045
5046 for new_job in new_jobs.into_iter().flatten() {
5047 job.scan_queue
5048 .try_send(new_job)
5049 .expect("channel is unbounded");
5050 }
5051
5052 Ok(())
5053 }
5054
5055 /// All list arguments should be sorted before calling this function
5056 async fn reload_entries_for_paths(
5057 &self,
5058 root_abs_path: SanitizedPath,
5059 root_canonical_path: SanitizedPath,
5060 relative_paths: &[Arc<Path>],
5061 abs_paths: Vec<PathBuf>,
5062 scan_queue_tx: Option<Sender<ScanJob>>,
5063 ) {
5064 // grab metadata for all requested paths
5065 let metadata = futures::future::join_all(
5066 abs_paths
5067 .iter()
5068 .map(|abs_path| async move {
5069 let metadata = self.fs.metadata(abs_path).await?;
5070 if let Some(metadata) = metadata {
5071 let canonical_path = self.fs.canonicalize(abs_path).await?;
5072
5073 // If we're on a case-insensitive filesystem (default on macOS), we want
5074 // to only ignore metadata for non-symlink files if their absolute-path matches
5075 // the canonical-path.
5076 // Because if not, this might be a case-only-renaming (`mv test.txt TEST.TXT`)
5077 // and we want to ignore the metadata for the old path (`test.txt`) so it's
5078 // treated as removed.
5079 if !self.fs_case_sensitive && !metadata.is_symlink {
5080 let canonical_file_name = canonical_path.file_name();
5081 let file_name = abs_path.file_name();
5082 if canonical_file_name != file_name {
5083 return Ok(None);
5084 }
5085 }
5086
5087 anyhow::Ok(Some((metadata, SanitizedPath::from(canonical_path))))
5088 } else {
5089 Ok(None)
5090 }
5091 })
5092 .collect::<Vec<_>>(),
5093 )
5094 .await;
5095
5096 let mut state = self.state.lock();
5097 let doing_recursive_update = scan_queue_tx.is_some();
5098
5099 // Remove any entries for paths that no longer exist or are being recursively
5100 // refreshed. Do this before adding any new entries, so that renames can be
5101 // detected regardless of the order of the paths.
5102 for (path, metadata) in relative_paths.iter().zip(metadata.iter()) {
5103 if matches!(metadata, Ok(None)) || doing_recursive_update {
5104 log::trace!("remove path {:?}", path);
5105 state.remove_path(path);
5106 }
5107 }
5108
5109 // Group all relative paths by their git repository.
5110 let mut paths_by_git_repo = HashMap::default();
5111 for relative_path in relative_paths.iter() {
5112 let repository_data = state
5113 .snapshot
5114 .local_repo_for_path(relative_path)
5115 .zip(state.snapshot.repository_for_path(relative_path));
5116 if let Some((local_repo, entry)) = repository_data {
5117 if let Ok(repo_path) = local_repo.relativize(relative_path) {
5118 paths_by_git_repo
5119 .entry(local_repo.work_directory.clone())
5120 .or_insert_with(|| RepoPaths {
5121 entry: entry.clone(),
5122 repo: local_repo.repo_ptr.clone(),
5123 repo_paths: Default::default(),
5124 })
5125 .add_path(repo_path);
5126 }
5127 }
5128 }
5129
5130 for (work_directory, mut paths) in paths_by_git_repo {
5131 if let Ok(status) = paths.repo.status(&paths.repo_paths) {
5132 let mut changed_path_statuses = Vec::new();
5133 let statuses = paths.entry.statuses_by_path.clone();
5134 let mut cursor = statuses.cursor::<PathProgress>(&());
5135
5136 for (repo_path, status) in &*status.entries {
5137 paths.remove_repo_path(repo_path);
5138 if cursor.seek_forward(&PathTarget::Path(repo_path), Bias::Left, &()) {
5139 if &cursor.item().unwrap().status == status {
5140 continue;
5141 }
5142 }
5143
5144 changed_path_statuses.push(Edit::Insert(StatusEntry {
5145 repo_path: repo_path.clone(),
5146 status: *status,
5147 }));
5148 }
5149
5150 let mut cursor = statuses.cursor::<PathProgress>(&());
5151 for path in paths.repo_paths {
5152 if cursor.seek_forward(&PathTarget::Path(&path), Bias::Left, &()) {
5153 changed_path_statuses.push(Edit::Remove(PathKey(path.0)));
5154 }
5155 }
5156
5157 if !changed_path_statuses.is_empty() {
5158 let work_directory_id = state.snapshot.repositories.update(
5159 &work_directory.path_key(),
5160 &(),
5161 move |repository_entry| {
5162 repository_entry
5163 .statuses_by_path
5164 .edit(changed_path_statuses, &());
5165
5166 repository_entry.work_directory_id
5167 },
5168 );
5169
5170 if let Some(work_directory_id) = work_directory_id {
5171 let scan_id = state.snapshot.scan_id;
5172 state.snapshot.git_repositories.update(
5173 &work_directory_id,
5174 |local_repository_entry| {
5175 local_repository_entry.status_scan_id = scan_id;
5176 },
5177 );
5178 }
5179 }
5180 }
5181 }
5182
5183 for (path, metadata) in relative_paths.iter().zip(metadata.into_iter()) {
5184 let abs_path: Arc<Path> = root_abs_path.as_path().join(path).into();
5185 match metadata {
5186 Ok(Some((metadata, canonical_path))) => {
5187 let ignore_stack = state
5188 .snapshot
5189 .ignore_stack_for_abs_path(&abs_path, metadata.is_dir);
5190 let is_external = !canonical_path.starts_with(&root_canonical_path);
5191 let mut fs_entry = Entry::new(
5192 path.clone(),
5193 &metadata,
5194 self.next_entry_id.as_ref(),
5195 state.snapshot.root_char_bag,
5196 if metadata.is_symlink {
5197 Some(canonical_path.as_path().to_path_buf().into())
5198 } else {
5199 None
5200 },
5201 );
5202
5203 let is_dir = fs_entry.is_dir();
5204 fs_entry.is_ignored = ignore_stack.is_abs_path_ignored(&abs_path, is_dir);
5205 fs_entry.is_external = is_external;
5206 fs_entry.is_private = self.is_path_private(path);
5207 fs_entry.is_always_included = self.settings.is_path_always_included(path);
5208
5209 if let (Some(scan_queue_tx), true) = (&scan_queue_tx, is_dir) {
5210 if state.should_scan_directory(&fs_entry)
5211 || (fs_entry.path.as_os_str().is_empty()
5212 && abs_path.file_name() == Some(*DOT_GIT))
5213 {
5214 state.enqueue_scan_dir(abs_path, &fs_entry, scan_queue_tx);
5215 } else {
5216 fs_entry.kind = EntryKind::UnloadedDir;
5217 }
5218 }
5219
5220 state.insert_entry(fs_entry.clone(), self.fs.as_ref(), self.watcher.as_ref());
5221 }
5222 Ok(None) => {
5223 self.remove_repo_path(path, &mut state.snapshot);
5224 }
5225 Err(err) => {
5226 log::error!("error reading file {abs_path:?} on event: {err:#}");
5227 }
5228 }
5229 }
5230
5231 util::extend_sorted(
5232 &mut state.changed_paths,
5233 relative_paths.iter().cloned(),
5234 usize::MAX,
5235 Ord::cmp,
5236 );
5237 }
5238
5239 fn remove_repo_path(&self, path: &Arc<Path>, snapshot: &mut LocalSnapshot) -> Option<()> {
5240 if !path
5241 .components()
5242 .any(|component| component.as_os_str() == *DOT_GIT)
5243 {
5244 if let Some(repository) = snapshot.repository(PathKey(path.clone())) {
5245 snapshot
5246 .git_repositories
5247 .remove(&repository.work_directory_id);
5248 snapshot
5249 .snapshot
5250 .repositories
5251 .remove(&repository.work_directory.path_key(), &());
5252 return Some(());
5253 }
5254 }
5255
5256 Some(())
5257 }
5258
5259 async fn update_ignore_statuses(&self, scan_job_tx: Sender<ScanJob>) {
5260 let mut ignores_to_update = Vec::new();
5261 let (ignore_queue_tx, ignore_queue_rx) = channel::unbounded();
5262 let prev_snapshot;
5263 {
5264 let snapshot = &mut self.state.lock().snapshot;
5265 let abs_path = snapshot.abs_path.clone();
5266 snapshot
5267 .ignores_by_parent_abs_path
5268 .retain(|parent_abs_path, (_, needs_update)| {
5269 if let Ok(parent_path) = parent_abs_path.strip_prefix(abs_path.as_path()) {
5270 if *needs_update {
5271 *needs_update = false;
5272 if snapshot.snapshot.entry_for_path(parent_path).is_some() {
5273 ignores_to_update.push(parent_abs_path.clone());
5274 }
5275 }
5276
5277 let ignore_path = parent_path.join(*GITIGNORE);
5278 if snapshot.snapshot.entry_for_path(ignore_path).is_none() {
5279 return false;
5280 }
5281 }
5282 true
5283 });
5284
5285 ignores_to_update.sort_unstable();
5286 let mut ignores_to_update = ignores_to_update.into_iter().peekable();
5287 while let Some(parent_abs_path) = ignores_to_update.next() {
5288 while ignores_to_update
5289 .peek()
5290 .map_or(false, |p| p.starts_with(&parent_abs_path))
5291 {
5292 ignores_to_update.next().unwrap();
5293 }
5294
5295 let ignore_stack = snapshot.ignore_stack_for_abs_path(&parent_abs_path, true);
5296 ignore_queue_tx
5297 .send_blocking(UpdateIgnoreStatusJob {
5298 abs_path: parent_abs_path,
5299 ignore_stack,
5300 ignore_queue: ignore_queue_tx.clone(),
5301 scan_queue: scan_job_tx.clone(),
5302 })
5303 .unwrap();
5304 }
5305
5306 prev_snapshot = snapshot.clone();
5307 }
5308 drop(ignore_queue_tx);
5309
5310 self.executor
5311 .scoped(|scope| {
5312 for _ in 0..self.executor.num_cpus() {
5313 scope.spawn(async {
5314 loop {
5315 select_biased! {
5316 // Process any path refresh requests before moving on to process
5317 // the queue of ignore statuses.
5318 request = self.next_scan_request().fuse() => {
5319 let Ok(request) = request else { break };
5320 if !self.process_scan_request(request, true).await {
5321 return;
5322 }
5323 }
5324
5325 // Recursively process directories whose ignores have changed.
5326 job = ignore_queue_rx.recv().fuse() => {
5327 let Ok(job) = job else { break };
5328 self.update_ignore_status(job, &prev_snapshot).await;
5329 }
5330 }
5331 }
5332 });
5333 }
5334 })
5335 .await;
5336 }
5337
5338 async fn update_ignore_status(&self, job: UpdateIgnoreStatusJob, snapshot: &LocalSnapshot) {
5339 log::trace!("update ignore status {:?}", job.abs_path);
5340
5341 let mut ignore_stack = job.ignore_stack;
5342 if let Some((ignore, _)) = snapshot.ignores_by_parent_abs_path.get(&job.abs_path) {
5343 ignore_stack = ignore_stack.append(job.abs_path.clone(), ignore.clone());
5344 }
5345
5346 let mut entries_by_id_edits = Vec::new();
5347 let mut entries_by_path_edits = Vec::new();
5348 let path = job
5349 .abs_path
5350 .strip_prefix(snapshot.abs_path.as_path())
5351 .unwrap();
5352
5353 for mut entry in snapshot.child_entries(path).cloned() {
5354 let was_ignored = entry.is_ignored;
5355 let abs_path: Arc<Path> = snapshot.abs_path().join(&entry.path).into();
5356 entry.is_ignored = ignore_stack.is_abs_path_ignored(&abs_path, entry.is_dir());
5357
5358 if entry.is_dir() {
5359 let child_ignore_stack = if entry.is_ignored {
5360 IgnoreStack::all()
5361 } else {
5362 ignore_stack.clone()
5363 };
5364
5365 // Scan any directories that were previously ignored and weren't previously scanned.
5366 if was_ignored && !entry.is_ignored && entry.kind.is_unloaded() {
5367 let state = self.state.lock();
5368 if state.should_scan_directory(&entry) {
5369 state.enqueue_scan_dir(abs_path.clone(), &entry, &job.scan_queue);
5370 }
5371 }
5372
5373 job.ignore_queue
5374 .send(UpdateIgnoreStatusJob {
5375 abs_path: abs_path.clone(),
5376 ignore_stack: child_ignore_stack,
5377 ignore_queue: job.ignore_queue.clone(),
5378 scan_queue: job.scan_queue.clone(),
5379 })
5380 .await
5381 .unwrap();
5382 }
5383
5384 if entry.is_ignored != was_ignored {
5385 let mut path_entry = snapshot.entries_by_id.get(&entry.id, &()).unwrap().clone();
5386 path_entry.scan_id = snapshot.scan_id;
5387 path_entry.is_ignored = entry.is_ignored;
5388 entries_by_id_edits.push(Edit::Insert(path_entry));
5389 entries_by_path_edits.push(Edit::Insert(entry));
5390 }
5391 }
5392
5393 let state = &mut self.state.lock();
5394 for edit in &entries_by_path_edits {
5395 if let Edit::Insert(entry) = edit {
5396 if let Err(ix) = state.changed_paths.binary_search(&entry.path) {
5397 state.changed_paths.insert(ix, entry.path.clone());
5398 }
5399 }
5400 }
5401
5402 state
5403 .snapshot
5404 .entries_by_path
5405 .edit(entries_by_path_edits, &());
5406 state.snapshot.entries_by_id.edit(entries_by_id_edits, &());
5407 }
5408
5409 fn update_git_repositories(&self, dot_git_paths: Vec<PathBuf>) -> Task<()> {
5410 log::debug!("reloading repositories: {dot_git_paths:?}");
5411
5412 let mut status_updates = Vec::new();
5413 {
5414 let mut state = self.state.lock();
5415 let scan_id = state.snapshot.scan_id;
5416 for dot_git_dir in dot_git_paths {
5417 let existing_repository_entry =
5418 state
5419 .snapshot
5420 .git_repositories
5421 .iter()
5422 .find_map(|(_, repo)| {
5423 if repo.dot_git_dir_abs_path.as_ref() == &dot_git_dir
5424 || repo.dot_git_worktree_abs_path.as_deref() == Some(&dot_git_dir)
5425 {
5426 Some(repo.clone())
5427 } else {
5428 None
5429 }
5430 });
5431
5432 let local_repository = match existing_repository_entry {
5433 None => {
5434 let Ok(relative) = dot_git_dir.strip_prefix(state.snapshot.abs_path())
5435 else {
5436 return Task::ready(());
5437 };
5438 match state.insert_git_repository(
5439 relative.into(),
5440 self.fs.as_ref(),
5441 self.watcher.as_ref(),
5442 ) {
5443 Some(output) => output,
5444 None => continue,
5445 }
5446 }
5447 Some(local_repository) => {
5448 if local_repository.git_dir_scan_id == scan_id {
5449 continue;
5450 }
5451 local_repository.repo_ptr.reload_index();
5452
5453 state.snapshot.git_repositories.update(
5454 &local_repository.work_directory_id,
5455 |entry| {
5456 entry.git_dir_scan_id = scan_id;
5457 entry.status_scan_id = scan_id;
5458 },
5459 );
5460
5461 local_repository
5462 }
5463 };
5464
5465 status_updates
5466 .push(self.schedule_git_statuses_update(&mut state, local_repository));
5467 }
5468
5469 // Remove any git repositories whose .git entry no longer exists.
5470 let snapshot = &mut state.snapshot;
5471 let mut ids_to_preserve = HashSet::default();
5472 for (&work_directory_id, entry) in snapshot.git_repositories.iter() {
5473 let exists_in_snapshot = snapshot
5474 .entry_for_id(work_directory_id)
5475 .map_or(false, |entry| {
5476 snapshot.entry_for_path(entry.path.join(*DOT_GIT)).is_some()
5477 });
5478
5479 if exists_in_snapshot
5480 || matches!(
5481 smol::block_on(self.fs.metadata(&entry.dot_git_dir_abs_path)),
5482 Ok(Some(_))
5483 )
5484 {
5485 ids_to_preserve.insert(work_directory_id);
5486 }
5487 }
5488
5489 snapshot
5490 .git_repositories
5491 .retain(|work_directory_id, _| ids_to_preserve.contains(work_directory_id));
5492 snapshot.repositories.retain(&(), |entry| {
5493 ids_to_preserve.contains(&entry.work_directory_id)
5494 });
5495 }
5496
5497 self.executor.spawn(async move {
5498 let _updates_finished: Vec<Result<(), oneshot::Canceled>> =
5499 join_all(status_updates).await;
5500 })
5501 }
5502
5503 /// Update the git statuses for a given batch of entries.
5504 fn schedule_git_statuses_update(
5505 &self,
5506 state: &mut BackgroundScannerState,
5507 mut local_repository: LocalRepositoryEntry,
5508 ) -> oneshot::Receiver<()> {
5509 let repository_name = local_repository.work_directory.display_name();
5510 let path_key = local_repository.work_directory.path_key();
5511
5512 let job_state = self.state.clone();
5513 let (tx, rx) = oneshot::channel();
5514
5515 state.repository_scans.insert(
5516 path_key.clone(),
5517 self.executor.spawn(async move {
5518 update_branches(&job_state, &mut local_repository).log_err();
5519 log::trace!("updating git statuses for repo {repository_name}",);
5520 let t0 = Instant::now();
5521
5522 let Some(statuses) = local_repository
5523 .repo()
5524 .status(&[git::WORK_DIRECTORY_REPO_PATH.clone()])
5525 .log_err()
5526 else {
5527 return;
5528 };
5529 log::trace!(
5530 "computed git statuses for repo {repository_name} in {:?}",
5531 t0.elapsed()
5532 );
5533
5534 let t0 = Instant::now();
5535 let mut changed_paths = Vec::new();
5536 let snapshot = job_state.lock().snapshot.snapshot.clone();
5537
5538 let Some(mut repository) = snapshot
5539 .repository(path_key)
5540 .context(
5541 "Tried to update git statuses for a repository that isn't in the snapshot",
5542 )
5543 .log_err()
5544 else {
5545 return;
5546 };
5547
5548 let merge_head_shas = local_repository.repo().merge_head_shas();
5549 if merge_head_shas != local_repository.current_merge_head_shas {
5550 mem::take(&mut repository.current_merge_conflicts);
5551 }
5552
5553 let mut new_entries_by_path = SumTree::new(&());
5554 for (repo_path, status) in statuses.entries.iter() {
5555 let project_path = repository.work_directory.try_unrelativize(repo_path);
5556
5557 new_entries_by_path.insert_or_replace(
5558 StatusEntry {
5559 repo_path: repo_path.clone(),
5560 status: *status,
5561 },
5562 &(),
5563 );
5564 if status.is_conflicted() {
5565 repository.current_merge_conflicts.insert(repo_path.clone());
5566 }
5567
5568 if let Some(path) = project_path {
5569 changed_paths.push(path);
5570 }
5571 }
5572
5573 repository.statuses_by_path = new_entries_by_path;
5574 let mut state = job_state.lock();
5575 state
5576 .snapshot
5577 .repositories
5578 .insert_or_replace(repository, &());
5579 state.snapshot.git_repositories.update(
5580 &local_repository.work_directory_id,
5581 |entry| {
5582 entry.current_merge_head_shas = merge_head_shas;
5583 entry.merge_message = std::fs::read_to_string(
5584 local_repository.dot_git_dir_abs_path.join("MERGE_MSG"),
5585 )
5586 .ok()
5587 .and_then(|merge_msg| Some(merge_msg.lines().next()?.to_owned()));
5588 entry.status_scan_id += 1;
5589 },
5590 );
5591
5592 util::extend_sorted(
5593 &mut state.changed_paths,
5594 changed_paths,
5595 usize::MAX,
5596 Ord::cmp,
5597 );
5598
5599 log::trace!(
5600 "applied git status updates for repo {repository_name} in {:?}",
5601 t0.elapsed(),
5602 );
5603 tx.send(()).ok();
5604 }),
5605 );
5606 rx
5607 }
5608
5609 async fn progress_timer(&self, running: bool) {
5610 if !running {
5611 return futures::future::pending().await;
5612 }
5613
5614 #[cfg(any(test, feature = "test-support"))]
5615 if self.fs.is_fake() {
5616 return self.executor.simulate_random_delay().await;
5617 }
5618
5619 smol::Timer::after(FS_WATCH_LATENCY).await;
5620 }
5621
5622 fn is_path_private(&self, path: &Path) -> bool {
5623 !self.share_private_files && self.settings.is_path_private(path)
5624 }
5625
5626 async fn next_scan_request(&self) -> Result<ScanRequest> {
5627 let mut request = self.scan_requests_rx.recv().await?;
5628 while let Ok(next_request) = self.scan_requests_rx.try_recv() {
5629 request.relative_paths.extend(next_request.relative_paths);
5630 request.done.extend(next_request.done);
5631 }
5632 Ok(request)
5633 }
5634}
5635
5636fn send_status_update_inner(
5637 phase: BackgroundScannerPhase,
5638 state: Arc<Mutex<BackgroundScannerState>>,
5639 status_updates_tx: UnboundedSender<ScanState>,
5640 scanning: bool,
5641 barrier: SmallVec<[barrier::Sender; 1]>,
5642) -> bool {
5643 let mut state = state.lock();
5644 if state.changed_paths.is_empty() && scanning {
5645 return true;
5646 }
5647
5648 let new_snapshot = state.snapshot.clone();
5649 let old_snapshot = mem::replace(&mut state.prev_snapshot, new_snapshot.snapshot.clone());
5650 let changes = build_diff(phase, &old_snapshot, &new_snapshot, &state.changed_paths);
5651 state.changed_paths.clear();
5652
5653 status_updates_tx
5654 .unbounded_send(ScanState::Updated {
5655 snapshot: new_snapshot,
5656 changes,
5657 scanning,
5658 barrier,
5659 })
5660 .is_ok()
5661}
5662
5663fn update_branches(
5664 state: &Mutex<BackgroundScannerState>,
5665 repository: &mut LocalRepositoryEntry,
5666) -> Result<()> {
5667 let branches = repository.repo().branches()?;
5668 let snapshot = state.lock().snapshot.snapshot.clone();
5669 let mut repository = snapshot
5670 .repository(repository.work_directory.path_key())
5671 .context("Missing repository")?;
5672 repository.current_branch = branches.into_iter().find(|branch| branch.is_head);
5673
5674 let mut state = state.lock();
5675 state
5676 .snapshot
5677 .repositories
5678 .insert_or_replace(repository, &());
5679
5680 Ok(())
5681}
5682
5683fn build_diff(
5684 phase: BackgroundScannerPhase,
5685 old_snapshot: &Snapshot,
5686 new_snapshot: &Snapshot,
5687 event_paths: &[Arc<Path>],
5688) -> UpdatedEntriesSet {
5689 use BackgroundScannerPhase::*;
5690 use PathChange::{Added, AddedOrUpdated, Loaded, Removed, Updated};
5691
5692 // Identify which paths have changed. Use the known set of changed
5693 // parent paths to optimize the search.
5694 let mut changes = Vec::new();
5695 let mut old_paths = old_snapshot.entries_by_path.cursor::<PathKey>(&());
5696 let mut new_paths = new_snapshot.entries_by_path.cursor::<PathKey>(&());
5697 let mut last_newly_loaded_dir_path = None;
5698 old_paths.next(&());
5699 new_paths.next(&());
5700 for path in event_paths {
5701 let path = PathKey(path.clone());
5702 if old_paths.item().map_or(false, |e| e.path < path.0) {
5703 old_paths.seek_forward(&path, Bias::Left, &());
5704 }
5705 if new_paths.item().map_or(false, |e| e.path < path.0) {
5706 new_paths.seek_forward(&path, Bias::Left, &());
5707 }
5708 loop {
5709 match (old_paths.item(), new_paths.item()) {
5710 (Some(old_entry), Some(new_entry)) => {
5711 if old_entry.path > path.0
5712 && new_entry.path > path.0
5713 && !old_entry.path.starts_with(&path.0)
5714 && !new_entry.path.starts_with(&path.0)
5715 {
5716 break;
5717 }
5718
5719 match Ord::cmp(&old_entry.path, &new_entry.path) {
5720 Ordering::Less => {
5721 changes.push((old_entry.path.clone(), old_entry.id, Removed));
5722 old_paths.next(&());
5723 }
5724 Ordering::Equal => {
5725 if phase == EventsReceivedDuringInitialScan {
5726 if old_entry.id != new_entry.id {
5727 changes.push((old_entry.path.clone(), old_entry.id, Removed));
5728 }
5729 // If the worktree was not fully initialized when this event was generated,
5730 // we can't know whether this entry was added during the scan or whether
5731 // it was merely updated.
5732 changes.push((
5733 new_entry.path.clone(),
5734 new_entry.id,
5735 AddedOrUpdated,
5736 ));
5737 } else if old_entry.id != new_entry.id {
5738 changes.push((old_entry.path.clone(), old_entry.id, Removed));
5739 changes.push((new_entry.path.clone(), new_entry.id, Added));
5740 } else if old_entry != new_entry {
5741 if old_entry.kind.is_unloaded() {
5742 last_newly_loaded_dir_path = Some(&new_entry.path);
5743 changes.push((new_entry.path.clone(), new_entry.id, Loaded));
5744 } else {
5745 changes.push((new_entry.path.clone(), new_entry.id, Updated));
5746 }
5747 }
5748 old_paths.next(&());
5749 new_paths.next(&());
5750 }
5751 Ordering::Greater => {
5752 let is_newly_loaded = phase == InitialScan
5753 || last_newly_loaded_dir_path
5754 .as_ref()
5755 .map_or(false, |dir| new_entry.path.starts_with(dir));
5756 changes.push((
5757 new_entry.path.clone(),
5758 new_entry.id,
5759 if is_newly_loaded { Loaded } else { Added },
5760 ));
5761 new_paths.next(&());
5762 }
5763 }
5764 }
5765 (Some(old_entry), None) => {
5766 changes.push((old_entry.path.clone(), old_entry.id, Removed));
5767 old_paths.next(&());
5768 }
5769 (None, Some(new_entry)) => {
5770 let is_newly_loaded = phase == InitialScan
5771 || last_newly_loaded_dir_path
5772 .as_ref()
5773 .map_or(false, |dir| new_entry.path.starts_with(dir));
5774 changes.push((
5775 new_entry.path.clone(),
5776 new_entry.id,
5777 if is_newly_loaded { Loaded } else { Added },
5778 ));
5779 new_paths.next(&());
5780 }
5781 (None, None) => break,
5782 }
5783 }
5784 }
5785
5786 changes.into()
5787}
5788
5789fn swap_to_front(child_paths: &mut Vec<PathBuf>, file: &OsStr) {
5790 let position = child_paths
5791 .iter()
5792 .position(|path| path.file_name().unwrap() == file);
5793 if let Some(position) = position {
5794 let temp = child_paths.remove(position);
5795 child_paths.insert(0, temp);
5796 }
5797}
5798
5799fn char_bag_for_path(root_char_bag: CharBag, path: &Path) -> CharBag {
5800 let mut result = root_char_bag;
5801 result.extend(
5802 path.to_string_lossy()
5803 .chars()
5804 .map(|c| c.to_ascii_lowercase()),
5805 );
5806 result
5807}
5808
5809#[derive(Debug)]
5810struct RepoPaths {
5811 repo: Arc<dyn GitRepository>,
5812 entry: RepositoryEntry,
5813 // sorted
5814 repo_paths: Vec<RepoPath>,
5815}
5816
5817impl RepoPaths {
5818 fn add_path(&mut self, repo_path: RepoPath) {
5819 match self.repo_paths.binary_search(&repo_path) {
5820 Ok(_) => {}
5821 Err(ix) => self.repo_paths.insert(ix, repo_path),
5822 }
5823 }
5824
5825 fn remove_repo_path(&mut self, repo_path: &RepoPath) {
5826 match self.repo_paths.binary_search(&repo_path) {
5827 Ok(ix) => {
5828 self.repo_paths.remove(ix);
5829 }
5830 Err(_) => {}
5831 }
5832 }
5833}
5834
5835#[derive(Debug)]
5836struct ScanJob {
5837 abs_path: Arc<Path>,
5838 path: Arc<Path>,
5839 ignore_stack: Arc<IgnoreStack>,
5840 scan_queue: Sender<ScanJob>,
5841 ancestor_inodes: TreeSet<u64>,
5842 is_external: bool,
5843}
5844
5845struct UpdateIgnoreStatusJob {
5846 abs_path: Arc<Path>,
5847 ignore_stack: Arc<IgnoreStack>,
5848 ignore_queue: Sender<UpdateIgnoreStatusJob>,
5849 scan_queue: Sender<ScanJob>,
5850}
5851
5852pub trait WorktreeModelHandle {
5853 #[cfg(any(test, feature = "test-support"))]
5854 fn flush_fs_events<'a>(
5855 &self,
5856 cx: &'a mut gpui::TestAppContext,
5857 ) -> futures::future::LocalBoxFuture<'a, ()>;
5858
5859 #[cfg(any(test, feature = "test-support"))]
5860 fn flush_fs_events_in_root_git_repository<'a>(
5861 &self,
5862 cx: &'a mut gpui::TestAppContext,
5863 ) -> futures::future::LocalBoxFuture<'a, ()>;
5864}
5865
5866impl WorktreeModelHandle for Entity<Worktree> {
5867 // When the worktree's FS event stream sometimes delivers "redundant" events for FS changes that
5868 // occurred before the worktree was constructed. These events can cause the worktree to perform
5869 // extra directory scans, and emit extra scan-state notifications.
5870 //
5871 // This function mutates the worktree's directory and waits for those mutations to be picked up,
5872 // to ensure that all redundant FS events have already been processed.
5873 #[cfg(any(test, feature = "test-support"))]
5874 fn flush_fs_events<'a>(
5875 &self,
5876 cx: &'a mut gpui::TestAppContext,
5877 ) -> futures::future::LocalBoxFuture<'a, ()> {
5878 let file_name = "fs-event-sentinel";
5879
5880 let tree = self.clone();
5881 let (fs, root_path) = self.update(cx, |tree, _| {
5882 let tree = tree.as_local().unwrap();
5883 (tree.fs.clone(), tree.abs_path().clone())
5884 });
5885
5886 async move {
5887 fs.create_file(&root_path.join(file_name), Default::default())
5888 .await
5889 .unwrap();
5890
5891 let mut events = cx.events(&tree);
5892 while events.next().await.is_some() {
5893 if tree.update(cx, |tree, _| tree.entry_for_path(file_name).is_some()) {
5894 break;
5895 }
5896 }
5897
5898 fs.remove_file(&root_path.join(file_name), Default::default())
5899 .await
5900 .unwrap();
5901 while events.next().await.is_some() {
5902 if tree.update(cx, |tree, _| tree.entry_for_path(file_name).is_none()) {
5903 break;
5904 }
5905 }
5906
5907 cx.update(|cx| tree.read(cx).as_local().unwrap().scan_complete())
5908 .await;
5909 }
5910 .boxed_local()
5911 }
5912
5913 // This function is similar to flush_fs_events, except that it waits for events to be flushed in
5914 // the .git folder of the root repository.
5915 // The reason for its existence is that a repository's .git folder might live *outside* of the
5916 // worktree and thus its FS events might go through a different path.
5917 // In order to flush those, we need to create artificial events in the .git folder and wait
5918 // for the repository to be reloaded.
5919 #[cfg(any(test, feature = "test-support"))]
5920 fn flush_fs_events_in_root_git_repository<'a>(
5921 &self,
5922 cx: &'a mut gpui::TestAppContext,
5923 ) -> futures::future::LocalBoxFuture<'a, ()> {
5924 let file_name = "fs-event-sentinel";
5925
5926 let tree = self.clone();
5927 let (fs, root_path, mut git_dir_scan_id) = self.update(cx, |tree, _| {
5928 let tree = tree.as_local().unwrap();
5929 let root_entry = tree.root_git_entry().unwrap();
5930 let local_repo_entry = tree.get_local_repo(&root_entry).unwrap();
5931 (
5932 tree.fs.clone(),
5933 local_repo_entry.dot_git_dir_abs_path.clone(),
5934 local_repo_entry.git_dir_scan_id,
5935 )
5936 });
5937
5938 let scan_id_increased = |tree: &mut Worktree, git_dir_scan_id: &mut usize| {
5939 let root_entry = tree.root_git_entry().unwrap();
5940 let local_repo_entry = tree
5941 .as_local()
5942 .unwrap()
5943 .get_local_repo(&root_entry)
5944 .unwrap();
5945
5946 if local_repo_entry.git_dir_scan_id > *git_dir_scan_id {
5947 *git_dir_scan_id = local_repo_entry.git_dir_scan_id;
5948 true
5949 } else {
5950 false
5951 }
5952 };
5953
5954 async move {
5955 fs.create_file(&root_path.join(file_name), Default::default())
5956 .await
5957 .unwrap();
5958
5959 let mut events = cx.events(&tree);
5960 while events.next().await.is_some() {
5961 if tree.update(cx, |tree, _| scan_id_increased(tree, &mut git_dir_scan_id)) {
5962 break;
5963 }
5964 }
5965
5966 fs.remove_file(&root_path.join(file_name), Default::default())
5967 .await
5968 .unwrap();
5969
5970 while events.next().await.is_some() {
5971 if tree.update(cx, |tree, _| scan_id_increased(tree, &mut git_dir_scan_id)) {
5972 break;
5973 }
5974 }
5975
5976 cx.update(|cx| tree.read(cx).as_local().unwrap().scan_complete())
5977 .await;
5978 }
5979 .boxed_local()
5980 }
5981}
5982
5983#[derive(Clone, Debug)]
5984struct TraversalProgress<'a> {
5985 max_path: &'a Path,
5986 count: usize,
5987 non_ignored_count: usize,
5988 file_count: usize,
5989 non_ignored_file_count: usize,
5990}
5991
5992impl TraversalProgress<'_> {
5993 fn count(&self, include_files: bool, include_dirs: bool, include_ignored: bool) -> usize {
5994 match (include_files, include_dirs, include_ignored) {
5995 (true, true, true) => self.count,
5996 (true, true, false) => self.non_ignored_count,
5997 (true, false, true) => self.file_count,
5998 (true, false, false) => self.non_ignored_file_count,
5999 (false, true, true) => self.count - self.file_count,
6000 (false, true, false) => self.non_ignored_count - self.non_ignored_file_count,
6001 (false, false, _) => 0,
6002 }
6003 }
6004}
6005
6006impl<'a> sum_tree::Dimension<'a, EntrySummary> for TraversalProgress<'a> {
6007 fn zero(_cx: &()) -> Self {
6008 Default::default()
6009 }
6010
6011 fn add_summary(&mut self, summary: &'a EntrySummary, _: &()) {
6012 self.max_path = summary.max_path.as_ref();
6013 self.count += summary.count;
6014 self.non_ignored_count += summary.non_ignored_count;
6015 self.file_count += summary.file_count;
6016 self.non_ignored_file_count += summary.non_ignored_file_count;
6017 }
6018}
6019
6020impl Default for TraversalProgress<'_> {
6021 fn default() -> Self {
6022 Self {
6023 max_path: Path::new(""),
6024 count: 0,
6025 non_ignored_count: 0,
6026 file_count: 0,
6027 non_ignored_file_count: 0,
6028 }
6029 }
6030}
6031
6032#[derive(Debug, Clone, Copy)]
6033pub struct GitEntryRef<'a> {
6034 pub entry: &'a Entry,
6035 pub git_summary: GitSummary,
6036}
6037
6038impl GitEntryRef<'_> {
6039 pub fn to_owned(&self) -> GitEntry {
6040 GitEntry {
6041 entry: self.entry.clone(),
6042 git_summary: self.git_summary,
6043 }
6044 }
6045}
6046
6047impl Deref for GitEntryRef<'_> {
6048 type Target = Entry;
6049
6050 fn deref(&self) -> &Self::Target {
6051 &self.entry
6052 }
6053}
6054
6055impl AsRef<Entry> for GitEntryRef<'_> {
6056 fn as_ref(&self) -> &Entry {
6057 self.entry
6058 }
6059}
6060
6061#[derive(Debug, Clone, PartialEq, Eq)]
6062pub struct GitEntry {
6063 pub entry: Entry,
6064 pub git_summary: GitSummary,
6065}
6066
6067impl GitEntry {
6068 pub fn to_ref(&self) -> GitEntryRef {
6069 GitEntryRef {
6070 entry: &self.entry,
6071 git_summary: self.git_summary,
6072 }
6073 }
6074}
6075
6076impl Deref for GitEntry {
6077 type Target = Entry;
6078
6079 fn deref(&self) -> &Self::Target {
6080 &self.entry
6081 }
6082}
6083
6084impl AsRef<Entry> for GitEntry {
6085 fn as_ref(&self) -> &Entry {
6086 &self.entry
6087 }
6088}
6089
6090/// Walks the worktree entries and their associated git statuses.
6091pub struct GitTraversal<'a> {
6092 traversal: Traversal<'a>,
6093 current_entry_summary: Option<GitSummary>,
6094 repo_location: Option<(
6095 &'a RepositoryEntry,
6096 Cursor<'a, StatusEntry, PathProgress<'a>>,
6097 )>,
6098}
6099
6100impl<'a> GitTraversal<'a> {
6101 fn synchronize_statuses(&mut self, reset: bool) {
6102 self.current_entry_summary = None;
6103
6104 let Some(entry) = self.traversal.cursor.item() else {
6105 return;
6106 };
6107
6108 let Some(repo) = self.traversal.snapshot.repository_for_path(&entry.path) else {
6109 self.repo_location = None;
6110 return;
6111 };
6112
6113 // Update our state if we changed repositories.
6114 if reset
6115 || self
6116 .repo_location
6117 .as_ref()
6118 .map(|(prev_repo, _)| &prev_repo.work_directory)
6119 != Some(&repo.work_directory)
6120 {
6121 self.repo_location = Some((repo, repo.statuses_by_path.cursor::<PathProgress>(&())));
6122 }
6123
6124 let Some((repo, statuses)) = &mut self.repo_location else {
6125 return;
6126 };
6127
6128 let repo_path = repo.relativize(&entry.path).unwrap();
6129
6130 if entry.is_dir() {
6131 let mut statuses = statuses.clone();
6132 statuses.seek_forward(&PathTarget::Path(repo_path.as_ref()), Bias::Left, &());
6133 let summary =
6134 statuses.summary(&PathTarget::Successor(repo_path.as_ref()), Bias::Left, &());
6135
6136 self.current_entry_summary = Some(summary);
6137 } else if entry.is_file() {
6138 // For a file entry, park the cursor on the corresponding status
6139 if statuses.seek_forward(&PathTarget::Path(repo_path.as_ref()), Bias::Left, &()) {
6140 // TODO: Investigate statuses.item() being None here.
6141 self.current_entry_summary = statuses.item().map(|item| item.status.into());
6142 } else {
6143 self.current_entry_summary = Some(GitSummary::UNCHANGED);
6144 }
6145 }
6146 }
6147
6148 pub fn advance(&mut self) -> bool {
6149 self.advance_by(1)
6150 }
6151
6152 pub fn advance_by(&mut self, count: usize) -> bool {
6153 let found = self.traversal.advance_by(count);
6154 self.synchronize_statuses(false);
6155 found
6156 }
6157
6158 pub fn advance_to_sibling(&mut self) -> bool {
6159 let found = self.traversal.advance_to_sibling();
6160 self.synchronize_statuses(false);
6161 found
6162 }
6163
6164 pub fn back_to_parent(&mut self) -> bool {
6165 let found = self.traversal.back_to_parent();
6166 self.synchronize_statuses(true);
6167 found
6168 }
6169
6170 pub fn start_offset(&self) -> usize {
6171 self.traversal.start_offset()
6172 }
6173
6174 pub fn end_offset(&self) -> usize {
6175 self.traversal.end_offset()
6176 }
6177
6178 pub fn entry(&self) -> Option<GitEntryRef<'a>> {
6179 let entry = self.traversal.cursor.item()?;
6180 let git_summary = self.current_entry_summary.unwrap_or(GitSummary::UNCHANGED);
6181 Some(GitEntryRef { entry, git_summary })
6182 }
6183}
6184
6185impl<'a> Iterator for GitTraversal<'a> {
6186 type Item = GitEntryRef<'a>;
6187 fn next(&mut self) -> Option<Self::Item> {
6188 if let Some(item) = self.entry() {
6189 self.advance();
6190 Some(item)
6191 } else {
6192 None
6193 }
6194 }
6195}
6196
6197#[derive(Debug)]
6198pub struct Traversal<'a> {
6199 snapshot: &'a Snapshot,
6200 cursor: sum_tree::Cursor<'a, Entry, TraversalProgress<'a>>,
6201 include_ignored: bool,
6202 include_files: bool,
6203 include_dirs: bool,
6204}
6205
6206impl<'a> Traversal<'a> {
6207 fn new(
6208 snapshot: &'a Snapshot,
6209 include_files: bool,
6210 include_dirs: bool,
6211 include_ignored: bool,
6212 start_path: &Path,
6213 ) -> Self {
6214 let mut cursor = snapshot.entries_by_path.cursor(&());
6215 cursor.seek(&TraversalTarget::path(start_path), Bias::Left, &());
6216 let mut traversal = Self {
6217 snapshot,
6218 cursor,
6219 include_files,
6220 include_dirs,
6221 include_ignored,
6222 };
6223 if traversal.end_offset() == traversal.start_offset() {
6224 traversal.next();
6225 }
6226 traversal
6227 }
6228
6229 pub fn with_git_statuses(self) -> GitTraversal<'a> {
6230 let mut this = GitTraversal {
6231 traversal: self,
6232 current_entry_summary: None,
6233 repo_location: None,
6234 };
6235 this.synchronize_statuses(true);
6236 this
6237 }
6238
6239 pub fn advance(&mut self) -> bool {
6240 self.advance_by(1)
6241 }
6242
6243 pub fn advance_by(&mut self, count: usize) -> bool {
6244 self.cursor.seek_forward(
6245 &TraversalTarget::Count {
6246 count: self.end_offset() + count,
6247 include_dirs: self.include_dirs,
6248 include_files: self.include_files,
6249 include_ignored: self.include_ignored,
6250 },
6251 Bias::Left,
6252 &(),
6253 )
6254 }
6255
6256 pub fn advance_to_sibling(&mut self) -> bool {
6257 while let Some(entry) = self.cursor.item() {
6258 self.cursor
6259 .seek_forward(&TraversalTarget::successor(&entry.path), Bias::Left, &());
6260 if let Some(entry) = self.cursor.item() {
6261 if (self.include_files || !entry.is_file())
6262 && (self.include_dirs || !entry.is_dir())
6263 && (self.include_ignored || !entry.is_ignored || entry.is_always_included)
6264 {
6265 return true;
6266 }
6267 }
6268 }
6269 false
6270 }
6271
6272 pub fn back_to_parent(&mut self) -> bool {
6273 let Some(parent_path) = self.cursor.item().and_then(|entry| entry.path.parent()) else {
6274 return false;
6275 };
6276 self.cursor
6277 .seek(&TraversalTarget::path(parent_path), Bias::Left, &())
6278 }
6279
6280 pub fn entry(&self) -> Option<&'a Entry> {
6281 self.cursor.item()
6282 }
6283
6284 pub fn start_offset(&self) -> usize {
6285 self.cursor
6286 .start()
6287 .count(self.include_files, self.include_dirs, self.include_ignored)
6288 }
6289
6290 pub fn end_offset(&self) -> usize {
6291 self.cursor
6292 .end(&())
6293 .count(self.include_files, self.include_dirs, self.include_ignored)
6294 }
6295}
6296
6297impl<'a> Iterator for Traversal<'a> {
6298 type Item = &'a Entry;
6299
6300 fn next(&mut self) -> Option<Self::Item> {
6301 if let Some(item) = self.entry() {
6302 self.advance();
6303 Some(item)
6304 } else {
6305 None
6306 }
6307 }
6308}
6309
6310#[derive(Debug, Clone, Copy)]
6311enum PathTarget<'a> {
6312 Path(&'a Path),
6313 Successor(&'a Path),
6314}
6315
6316impl PathTarget<'_> {
6317 fn cmp_path(&self, other: &Path) -> Ordering {
6318 match self {
6319 PathTarget::Path(path) => path.cmp(&other),
6320 PathTarget::Successor(path) => {
6321 if other.starts_with(path) {
6322 Ordering::Greater
6323 } else {
6324 Ordering::Equal
6325 }
6326 }
6327 }
6328 }
6329}
6330
6331impl<'a, S: Summary> SeekTarget<'a, PathSummary<S>, PathProgress<'a>> for PathTarget<'_> {
6332 fn cmp(&self, cursor_location: &PathProgress<'a>, _: &S::Context) -> Ordering {
6333 self.cmp_path(&cursor_location.max_path)
6334 }
6335}
6336
6337impl<'a, S: Summary> SeekTarget<'a, PathSummary<S>, TraversalProgress<'a>> for PathTarget<'_> {
6338 fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &S::Context) -> Ordering {
6339 self.cmp_path(&cursor_location.max_path)
6340 }
6341}
6342
6343impl<'a> SeekTarget<'a, PathSummary<GitSummary>, (TraversalProgress<'a>, GitSummary)>
6344 for PathTarget<'_>
6345{
6346 fn cmp(&self, cursor_location: &(TraversalProgress<'a>, GitSummary), _: &()) -> Ordering {
6347 self.cmp_path(&cursor_location.0.max_path)
6348 }
6349}
6350
6351#[derive(Debug)]
6352enum TraversalTarget<'a> {
6353 Path(PathTarget<'a>),
6354 Count {
6355 count: usize,
6356 include_files: bool,
6357 include_ignored: bool,
6358 include_dirs: bool,
6359 },
6360}
6361
6362impl<'a> TraversalTarget<'a> {
6363 fn path(path: &'a Path) -> Self {
6364 Self::Path(PathTarget::Path(path))
6365 }
6366
6367 fn successor(path: &'a Path) -> Self {
6368 Self::Path(PathTarget::Successor(path))
6369 }
6370
6371 fn cmp_progress(&self, progress: &TraversalProgress) -> Ordering {
6372 match self {
6373 TraversalTarget::Path(path) => path.cmp_path(&progress.max_path),
6374 TraversalTarget::Count {
6375 count,
6376 include_files,
6377 include_dirs,
6378 include_ignored,
6379 } => Ord::cmp(
6380 count,
6381 &progress.count(*include_files, *include_dirs, *include_ignored),
6382 ),
6383 }
6384 }
6385}
6386
6387impl<'a> SeekTarget<'a, EntrySummary, TraversalProgress<'a>> for TraversalTarget<'_> {
6388 fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &()) -> Ordering {
6389 self.cmp_progress(cursor_location)
6390 }
6391}
6392
6393impl<'a> SeekTarget<'a, PathSummary<Unit>, TraversalProgress<'a>> for TraversalTarget<'_> {
6394 fn cmp(&self, cursor_location: &TraversalProgress<'a>, _: &()) -> Ordering {
6395 self.cmp_progress(cursor_location)
6396 }
6397}
6398
6399pub struct ChildEntriesOptions {
6400 pub include_files: bool,
6401 pub include_dirs: bool,
6402 pub include_ignored: bool,
6403}
6404
6405pub struct ChildEntriesIter<'a> {
6406 parent_path: &'a Path,
6407 traversal: Traversal<'a>,
6408}
6409
6410impl<'a> ChildEntriesIter<'a> {
6411 pub fn with_git_statuses(self) -> ChildEntriesGitIter<'a> {
6412 ChildEntriesGitIter {
6413 parent_path: self.parent_path,
6414 traversal: self.traversal.with_git_statuses(),
6415 }
6416 }
6417}
6418
6419pub struct ChildEntriesGitIter<'a> {
6420 parent_path: &'a Path,
6421 traversal: GitTraversal<'a>,
6422}
6423
6424impl<'a> Iterator for ChildEntriesIter<'a> {
6425 type Item = &'a Entry;
6426
6427 fn next(&mut self) -> Option<Self::Item> {
6428 if let Some(item) = self.traversal.entry() {
6429 if item.path.starts_with(self.parent_path) {
6430 self.traversal.advance_to_sibling();
6431 return Some(item);
6432 }
6433 }
6434 None
6435 }
6436}
6437
6438impl<'a> Iterator for ChildEntriesGitIter<'a> {
6439 type Item = GitEntryRef<'a>;
6440
6441 fn next(&mut self) -> Option<Self::Item> {
6442 if let Some(item) = self.traversal.entry() {
6443 if item.path.starts_with(self.parent_path) {
6444 self.traversal.advance_to_sibling();
6445 return Some(item);
6446 }
6447 }
6448 None
6449 }
6450}
6451
6452impl<'a> From<&'a Entry> for proto::Entry {
6453 fn from(entry: &'a Entry) -> Self {
6454 Self {
6455 id: entry.id.to_proto(),
6456 is_dir: entry.is_dir(),
6457 path: entry.path.as_ref().to_proto(),
6458 inode: entry.inode,
6459 mtime: entry.mtime.map(|time| time.into()),
6460 is_ignored: entry.is_ignored,
6461 is_external: entry.is_external,
6462 is_fifo: entry.is_fifo,
6463 size: Some(entry.size),
6464 canonical_path: entry
6465 .canonical_path
6466 .as_ref()
6467 .map(|path| path.as_ref().to_proto()),
6468 }
6469 }
6470}
6471
6472impl<'a> TryFrom<(&'a CharBag, &PathMatcher, proto::Entry)> for Entry {
6473 type Error = anyhow::Error;
6474
6475 fn try_from(
6476 (root_char_bag, always_included, entry): (&'a CharBag, &PathMatcher, proto::Entry),
6477 ) -> Result<Self> {
6478 let kind = if entry.is_dir {
6479 EntryKind::Dir
6480 } else {
6481 EntryKind::File
6482 };
6483
6484 let path = Arc::<Path>::from_proto(entry.path);
6485 let char_bag = char_bag_for_path(*root_char_bag, &path);
6486 let is_always_included = always_included.is_match(path.as_ref());
6487 Ok(Entry {
6488 id: ProjectEntryId::from_proto(entry.id),
6489 kind,
6490 path,
6491 inode: entry.inode,
6492 mtime: entry.mtime.map(|time| time.into()),
6493 size: entry.size.unwrap_or(0),
6494 canonical_path: entry
6495 .canonical_path
6496 .map(|path_string| Box::from(PathBuf::from_proto(path_string))),
6497 is_ignored: entry.is_ignored,
6498 is_always_included,
6499 is_external: entry.is_external,
6500 is_private: false,
6501 char_bag,
6502 is_fifo: entry.is_fifo,
6503 })
6504 }
6505}
6506
6507fn status_from_proto(
6508 simple_status: i32,
6509 status: Option<proto::GitFileStatus>,
6510) -> anyhow::Result<FileStatus> {
6511 use proto::git_file_status::Variant;
6512
6513 let Some(variant) = status.and_then(|status| status.variant) else {
6514 let code = proto::GitStatus::from_i32(simple_status)
6515 .ok_or_else(|| anyhow!("Invalid git status code: {simple_status}"))?;
6516 let result = match code {
6517 proto::GitStatus::Added => TrackedStatus {
6518 worktree_status: StatusCode::Added,
6519 index_status: StatusCode::Unmodified,
6520 }
6521 .into(),
6522 proto::GitStatus::Modified => TrackedStatus {
6523 worktree_status: StatusCode::Modified,
6524 index_status: StatusCode::Unmodified,
6525 }
6526 .into(),
6527 proto::GitStatus::Conflict => UnmergedStatus {
6528 first_head: UnmergedStatusCode::Updated,
6529 second_head: UnmergedStatusCode::Updated,
6530 }
6531 .into(),
6532 proto::GitStatus::Deleted => TrackedStatus {
6533 worktree_status: StatusCode::Deleted,
6534 index_status: StatusCode::Unmodified,
6535 }
6536 .into(),
6537 _ => return Err(anyhow!("Invalid code for simple status: {simple_status}")),
6538 };
6539 return Ok(result);
6540 };
6541
6542 let result = match variant {
6543 Variant::Untracked(_) => FileStatus::Untracked,
6544 Variant::Ignored(_) => FileStatus::Ignored,
6545 Variant::Unmerged(unmerged) => {
6546 let [first_head, second_head] =
6547 [unmerged.first_head, unmerged.second_head].map(|head| {
6548 let code = proto::GitStatus::from_i32(head)
6549 .ok_or_else(|| anyhow!("Invalid git status code: {head}"))?;
6550 let result = match code {
6551 proto::GitStatus::Added => UnmergedStatusCode::Added,
6552 proto::GitStatus::Updated => UnmergedStatusCode::Updated,
6553 proto::GitStatus::Deleted => UnmergedStatusCode::Deleted,
6554 _ => return Err(anyhow!("Invalid code for unmerged status: {code:?}")),
6555 };
6556 Ok(result)
6557 });
6558 let [first_head, second_head] = [first_head?, second_head?];
6559 UnmergedStatus {
6560 first_head,
6561 second_head,
6562 }
6563 .into()
6564 }
6565 Variant::Tracked(tracked) => {
6566 let [index_status, worktree_status] = [tracked.index_status, tracked.worktree_status]
6567 .map(|status| {
6568 let code = proto::GitStatus::from_i32(status)
6569 .ok_or_else(|| anyhow!("Invalid git status code: {status}"))?;
6570 let result = match code {
6571 proto::GitStatus::Modified => StatusCode::Modified,
6572 proto::GitStatus::TypeChanged => StatusCode::TypeChanged,
6573 proto::GitStatus::Added => StatusCode::Added,
6574 proto::GitStatus::Deleted => StatusCode::Deleted,
6575 proto::GitStatus::Renamed => StatusCode::Renamed,
6576 proto::GitStatus::Copied => StatusCode::Copied,
6577 proto::GitStatus::Unmodified => StatusCode::Unmodified,
6578 _ => return Err(anyhow!("Invalid code for tracked status: {code:?}")),
6579 };
6580 Ok(result)
6581 });
6582 let [index_status, worktree_status] = [index_status?, worktree_status?];
6583 TrackedStatus {
6584 index_status,
6585 worktree_status,
6586 }
6587 .into()
6588 }
6589 };
6590 Ok(result)
6591}
6592
6593fn status_to_proto(status: FileStatus) -> proto::GitFileStatus {
6594 use proto::git_file_status::{Tracked, Unmerged, Variant};
6595
6596 let variant = match status {
6597 FileStatus::Untracked => Variant::Untracked(Default::default()),
6598 FileStatus::Ignored => Variant::Ignored(Default::default()),
6599 FileStatus::Unmerged(UnmergedStatus {
6600 first_head,
6601 second_head,
6602 }) => Variant::Unmerged(Unmerged {
6603 first_head: unmerged_status_to_proto(first_head),
6604 second_head: unmerged_status_to_proto(second_head),
6605 }),
6606 FileStatus::Tracked(TrackedStatus {
6607 index_status,
6608 worktree_status,
6609 }) => Variant::Tracked(Tracked {
6610 index_status: tracked_status_to_proto(index_status),
6611 worktree_status: tracked_status_to_proto(worktree_status),
6612 }),
6613 };
6614 proto::GitFileStatus {
6615 variant: Some(variant),
6616 }
6617}
6618
6619fn unmerged_status_to_proto(code: UnmergedStatusCode) -> i32 {
6620 match code {
6621 UnmergedStatusCode::Added => proto::GitStatus::Added as _,
6622 UnmergedStatusCode::Deleted => proto::GitStatus::Deleted as _,
6623 UnmergedStatusCode::Updated => proto::GitStatus::Updated as _,
6624 }
6625}
6626
6627fn tracked_status_to_proto(code: StatusCode) -> i32 {
6628 match code {
6629 StatusCode::Added => proto::GitStatus::Added as _,
6630 StatusCode::Deleted => proto::GitStatus::Deleted as _,
6631 StatusCode::Modified => proto::GitStatus::Modified as _,
6632 StatusCode::Renamed => proto::GitStatus::Renamed as _,
6633 StatusCode::TypeChanged => proto::GitStatus::TypeChanged as _,
6634 StatusCode::Copied => proto::GitStatus::Copied as _,
6635 StatusCode::Unmodified => proto::GitStatus::Unmodified as _,
6636 }
6637}
6638
6639#[derive(Clone, Copy, Debug, Default, Hash, PartialEq, Eq, PartialOrd, Ord)]
6640pub struct ProjectEntryId(usize);
6641
6642impl ProjectEntryId {
6643 pub const MAX: Self = Self(usize::MAX);
6644 pub const MIN: Self = Self(usize::MIN);
6645
6646 pub fn new(counter: &AtomicUsize) -> Self {
6647 Self(counter.fetch_add(1, SeqCst))
6648 }
6649
6650 pub fn from_proto(id: u64) -> Self {
6651 Self(id as usize)
6652 }
6653
6654 pub fn to_proto(&self) -> u64 {
6655 self.0 as u64
6656 }
6657
6658 pub fn to_usize(&self) -> usize {
6659 self.0
6660 }
6661}
6662
6663#[cfg(any(test, feature = "test-support"))]
6664impl CreatedEntry {
6665 pub fn to_included(self) -> Option<Entry> {
6666 match self {
6667 CreatedEntry::Included(entry) => Some(entry),
6668 CreatedEntry::Excluded { .. } => None,
6669 }
6670 }
6671}