1use crate::commit::parse_git_diff_name_status;
2use crate::stash::GitStash;
3use crate::status::{DiffTreeType, GitStatus, StatusCode, TreeDiff};
4use crate::{Oid, RunHook, SHORT_SHA_LENGTH};
5use anyhow::{Context as _, Result, anyhow, bail};
6use collections::HashMap;
7use futures::channel::oneshot;
8use futures::future::BoxFuture;
9use futures::io::BufWriter;
10use futures::{AsyncWriteExt, FutureExt as _, select_biased};
11use git2::{BranchType, ErrorCode};
12use gpui::{AppContext as _, AsyncApp, BackgroundExecutor, SharedString, Task};
13use parking_lot::Mutex;
14use rope::Rope;
15use schemars::JsonSchema;
16use serde::Deserialize;
17use smallvec::SmallVec;
18use smol::channel::Sender;
19use smol::io::{AsyncBufReadExt, AsyncReadExt, BufReader};
20use text::LineEnding;
21
22use std::collections::HashSet;
23use std::ffi::{OsStr, OsString};
24use std::sync::atomic::AtomicBool;
25
26use std::process::ExitStatus;
27use std::str::FromStr;
28use std::{
29 cmp::Ordering,
30 future,
31 path::{Path, PathBuf},
32 sync::Arc,
33};
34use sum_tree::MapSeekTarget;
35use thiserror::Error;
36use util::command::{Stdio, new_command};
37use util::paths::PathStyle;
38use util::rel_path::RelPath;
39use util::{ResultExt, normalize_path, paths};
40use uuid::Uuid;
41
42pub use askpass::{AskPassDelegate, AskPassResult, AskPassSession};
43
44pub const REMOTE_CANCELLED_BY_USER: &str = "Operation cancelled by user";
45
46/// Format string used in graph log to get initial data for the git graph
47/// %H - Full commit hash
48/// %P - Parent hashes
49/// %D - Ref names
50/// %x00 - Null byte separator, used to split up commit data
51static GRAPH_COMMIT_FORMAT: &str = "--format=%H%x00%P%x00%D";
52
53/// Number of commits to load per chunk for the git graph.
54pub const GRAPH_CHUNK_SIZE: usize = 1000;
55
56/// Default value for the `git.worktree_directory` setting.
57pub const DEFAULT_WORKTREE_DIRECTORY: &str = "../worktrees";
58
59/// Given the git common directory (from `commondir()`), derive the original
60/// repository's working directory.
61///
62/// For a standard checkout, `common_dir` is `<work_dir>/.git`, so the parent
63/// is the working directory. For a git worktree, `common_dir` is the **main**
64/// repo's `.git` directory, so the parent is the original repo's working directory.
65///
66/// Falls back to returning `common_dir` itself if it doesn't end with `.git`
67/// (e.g. bare repos or unusual layouts).
68pub fn original_repo_path_from_common_dir(common_dir: &Path) -> PathBuf {
69 if common_dir.file_name() == Some(OsStr::new(".git")) {
70 common_dir
71 .parent()
72 .map(|p| p.to_path_buf())
73 .unwrap_or_else(|| common_dir.to_path_buf())
74 } else {
75 common_dir.to_path_buf()
76 }
77}
78
79/// Resolves the configured worktree directory to an absolute path.
80///
81/// `worktree_directory_setting` is the raw string from the user setting
82/// (e.g. `"../worktrees"`, `".git/zed-worktrees"`, `"my-worktrees/"`).
83/// Trailing slashes are stripped. The path is resolved relative to
84/// `working_directory` (the repository's working directory root).
85///
86/// When the resolved directory falls outside the working directory
87/// (e.g. `"../worktrees"`), the repository's directory name is
88/// automatically appended so that sibling repos don't collide.
89/// For example, with working directory `~/code/zed` and setting
90/// `"../worktrees"`, this returns `~/code/worktrees/zed`.
91///
92/// When the resolved directory is inside the working directory
93/// (e.g. `".git/zed-worktrees"`), no extra component is added
94/// because the path is already project-scoped.
95pub fn resolve_worktree_directory(
96 working_directory: &Path,
97 worktree_directory_setting: &str,
98) -> PathBuf {
99 let trimmed = worktree_directory_setting.trim_end_matches(['/', '\\']);
100 let joined = working_directory.join(trimmed);
101 let resolved = normalize_path(&joined);
102
103 if resolved.starts_with(working_directory) {
104 resolved
105 } else if let Some(repo_dir_name) = working_directory.file_name() {
106 resolved.join(repo_dir_name)
107 } else {
108 resolved
109 }
110}
111
112/// Validates that the resolved worktree directory is acceptable:
113/// - The setting must not be an absolute path.
114/// - The resolved path must be either a subdirectory of the working
115/// directory or a subdirectory of its parent (i.e., a sibling).
116///
117/// Returns `Ok(resolved_path)` or an error with a user-facing message.
118pub fn validate_worktree_directory(
119 working_directory: &Path,
120 worktree_directory_setting: &str,
121) -> Result<PathBuf> {
122 // Check the original setting before trimming, since a path like "///"
123 // is absolute but becomes "" after stripping trailing separators.
124 // Also check for leading `/` or `\` explicitly, because on Windows
125 // `Path::is_absolute()` requires a drive letter — so `/tmp/worktrees`
126 // would slip through even though it's clearly not a relative path.
127 if Path::new(worktree_directory_setting).is_absolute()
128 || worktree_directory_setting.starts_with('/')
129 || worktree_directory_setting.starts_with('\\')
130 {
131 anyhow::bail!(
132 "git.worktree_directory must be a relative path, got: {worktree_directory_setting:?}"
133 );
134 }
135
136 if worktree_directory_setting.is_empty() {
137 anyhow::bail!("git.worktree_directory must not be empty");
138 }
139
140 let trimmed = worktree_directory_setting.trim_end_matches(['/', '\\']);
141 if trimmed == ".." {
142 anyhow::bail!("git.worktree_directory must not be \"..\" (use \"../some-name\" instead)");
143 }
144
145 let resolved = resolve_worktree_directory(working_directory, worktree_directory_setting);
146
147 let parent = working_directory.parent().unwrap_or(working_directory);
148
149 if !resolved.starts_with(parent) {
150 anyhow::bail!(
151 "git.worktree_directory resolved to {resolved:?}, which is outside \
152 the project root and its parent directory. It must resolve to a \
153 subdirectory of {working_directory:?} or a sibling of it."
154 );
155 }
156
157 Ok(resolved)
158}
159
160/// Returns the full absolute path for a specific branch's worktree
161/// given the resolved worktree directory.
162pub fn worktree_path_for_branch(
163 working_directory: &Path,
164 worktree_directory_setting: &str,
165 branch: &str,
166) -> PathBuf {
167 resolve_worktree_directory(working_directory, worktree_directory_setting).join(branch)
168}
169
170/// Commit data needed for the git graph visualization.
171#[derive(Debug, Clone)]
172pub struct GraphCommitData {
173 pub sha: Oid,
174 /// Most commits have a single parent, so we use a SmallVec to avoid allocations.
175 pub parents: SmallVec<[Oid; 1]>,
176 pub author_name: SharedString,
177 pub author_email: SharedString,
178 pub commit_timestamp: i64,
179 pub subject: SharedString,
180}
181
182#[derive(Debug)]
183pub struct InitialGraphCommitData {
184 pub sha: Oid,
185 pub parents: SmallVec<[Oid; 1]>,
186 pub ref_names: Vec<SharedString>,
187}
188
189struct CommitDataRequest {
190 sha: Oid,
191 response_tx: oneshot::Sender<Result<GraphCommitData>>,
192}
193
194pub struct CommitDataReader {
195 request_tx: smol::channel::Sender<CommitDataRequest>,
196 _task: Task<()>,
197}
198
199impl CommitDataReader {
200 pub async fn read(&self, sha: Oid) -> Result<GraphCommitData> {
201 let (response_tx, response_rx) = oneshot::channel();
202 self.request_tx
203 .send(CommitDataRequest { sha, response_tx })
204 .await
205 .map_err(|_| anyhow!("commit data reader task closed"))?;
206 response_rx
207 .await
208 .map_err(|_| anyhow!("commit data reader task dropped response"))?
209 }
210}
211
212fn parse_cat_file_commit(sha: Oid, content: &str) -> Option<GraphCommitData> {
213 let mut parents = SmallVec::new();
214 let mut author_name = SharedString::default();
215 let mut author_email = SharedString::default();
216 let mut commit_timestamp = 0i64;
217 let mut in_headers = true;
218 let mut subject = None;
219
220 for line in content.lines() {
221 if in_headers {
222 if line.is_empty() {
223 in_headers = false;
224 continue;
225 }
226
227 if let Some(parent_sha) = line.strip_prefix("parent ") {
228 if let Ok(oid) = Oid::from_str(parent_sha.trim()) {
229 parents.push(oid);
230 }
231 } else if let Some(author_line) = line.strip_prefix("author ") {
232 if let Some((name_email, _timestamp_tz)) = author_line.rsplit_once(' ') {
233 if let Some((name_email, timestamp_str)) = name_email.rsplit_once(' ') {
234 if let Ok(ts) = timestamp_str.parse::<i64>() {
235 commit_timestamp = ts;
236 }
237 if let Some((name, email)) = name_email.rsplit_once(" <") {
238 author_name = SharedString::from(name.to_string());
239 author_email =
240 SharedString::from(email.trim_end_matches('>').to_string());
241 }
242 }
243 }
244 }
245 } else if subject.is_none() {
246 subject = Some(SharedString::from(line.to_string()));
247 }
248 }
249
250 Some(GraphCommitData {
251 sha,
252 parents,
253 author_name,
254 author_email,
255 commit_timestamp,
256 subject: subject.unwrap_or_default(),
257 })
258}
259
260#[derive(Clone, Debug, Hash, PartialEq, Eq)]
261pub struct Branch {
262 pub is_head: bool,
263 pub ref_name: SharedString,
264 pub upstream: Option<Upstream>,
265 pub most_recent_commit: Option<CommitSummary>,
266}
267
268impl Branch {
269 pub fn name(&self) -> &str {
270 self.ref_name
271 .as_ref()
272 .strip_prefix("refs/heads/")
273 .or_else(|| self.ref_name.as_ref().strip_prefix("refs/remotes/"))
274 .unwrap_or(self.ref_name.as_ref())
275 }
276
277 pub fn is_remote(&self) -> bool {
278 self.ref_name.starts_with("refs/remotes/")
279 }
280
281 pub fn remote_name(&self) -> Option<&str> {
282 self.ref_name
283 .strip_prefix("refs/remotes/")
284 .and_then(|stripped| stripped.split("/").next())
285 }
286
287 pub fn tracking_status(&self) -> Option<UpstreamTrackingStatus> {
288 self.upstream
289 .as_ref()
290 .and_then(|upstream| upstream.tracking.status())
291 }
292
293 pub fn priority_key(&self) -> (bool, Option<i64>) {
294 (
295 self.is_head,
296 self.most_recent_commit
297 .as_ref()
298 .map(|commit| commit.commit_timestamp),
299 )
300 }
301}
302
303#[derive(Clone, Debug, Hash, PartialEq, Eq)]
304pub struct Worktree {
305 pub path: PathBuf,
306 pub ref_name: SharedString,
307 // todo(git_worktree) This type should be a Oid
308 pub sha: SharedString,
309}
310
311impl Worktree {
312 pub fn branch(&self) -> &str {
313 self.ref_name
314 .as_ref()
315 .strip_prefix("refs/heads/")
316 .or_else(|| self.ref_name.as_ref().strip_prefix("refs/remotes/"))
317 .unwrap_or(self.ref_name.as_ref())
318 }
319}
320
321pub fn parse_worktrees_from_str<T: AsRef<str>>(raw_worktrees: T) -> Vec<Worktree> {
322 let mut worktrees = Vec::new();
323 let normalized = raw_worktrees.as_ref().replace("\r\n", "\n");
324 let entries = normalized.split("\n\n");
325 for entry in entries {
326 let mut path = None;
327 let mut sha = None;
328 let mut ref_name = None;
329
330 for line in entry.lines() {
331 let line = line.trim();
332 if line.is_empty() {
333 continue;
334 }
335 if let Some(rest) = line.strip_prefix("worktree ") {
336 path = Some(rest.to_string());
337 } else if let Some(rest) = line.strip_prefix("HEAD ") {
338 sha = Some(rest.to_string());
339 } else if let Some(rest) = line.strip_prefix("branch ") {
340 ref_name = Some(rest.to_string());
341 }
342 // Ignore other lines: detached, bare, locked, prunable, etc.
343 }
344
345 // todo(git_worktree) We should add a test for detach head state
346 // a detach head will have ref_name as none so we would skip it
347 if let (Some(path), Some(sha), Some(ref_name)) = (path, sha, ref_name) {
348 worktrees.push(Worktree {
349 path: PathBuf::from(path),
350 ref_name: ref_name.into(),
351 sha: sha.into(),
352 })
353 }
354 }
355
356 worktrees
357}
358
359#[derive(Clone, Debug, Hash, PartialEq, Eq)]
360pub struct Upstream {
361 pub ref_name: SharedString,
362 pub tracking: UpstreamTracking,
363}
364
365impl Upstream {
366 pub fn is_remote(&self) -> bool {
367 self.remote_name().is_some()
368 }
369
370 pub fn remote_name(&self) -> Option<&str> {
371 self.ref_name
372 .strip_prefix("refs/remotes/")
373 .and_then(|stripped| stripped.split("/").next())
374 }
375
376 pub fn stripped_ref_name(&self) -> Option<&str> {
377 self.ref_name.strip_prefix("refs/remotes/")
378 }
379
380 pub fn branch_name(&self) -> Option<&str> {
381 self.ref_name
382 .strip_prefix("refs/remotes/")
383 .and_then(|stripped| stripped.split_once('/').map(|(_, name)| name))
384 }
385}
386
387#[derive(Clone, Copy, Default)]
388pub struct CommitOptions {
389 pub amend: bool,
390 pub signoff: bool,
391}
392
393#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
394pub enum UpstreamTracking {
395 /// Remote ref not present in local repository.
396 Gone,
397 /// Remote ref present in local repository (fetched from remote).
398 Tracked(UpstreamTrackingStatus),
399}
400
401impl From<UpstreamTrackingStatus> for UpstreamTracking {
402 fn from(status: UpstreamTrackingStatus) -> Self {
403 UpstreamTracking::Tracked(status)
404 }
405}
406
407impl UpstreamTracking {
408 pub fn is_gone(&self) -> bool {
409 matches!(self, UpstreamTracking::Gone)
410 }
411
412 pub fn status(&self) -> Option<UpstreamTrackingStatus> {
413 match self {
414 UpstreamTracking::Gone => None,
415 UpstreamTracking::Tracked(status) => Some(*status),
416 }
417 }
418}
419
420#[derive(Debug, Clone)]
421pub struct RemoteCommandOutput {
422 pub stdout: String,
423 pub stderr: String,
424}
425
426impl RemoteCommandOutput {
427 pub fn is_empty(&self) -> bool {
428 self.stdout.is_empty() && self.stderr.is_empty()
429 }
430}
431
432#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
433pub struct UpstreamTrackingStatus {
434 pub ahead: u32,
435 pub behind: u32,
436}
437
438#[derive(Clone, Debug, Hash, PartialEq, Eq)]
439pub struct CommitSummary {
440 pub sha: SharedString,
441 pub subject: SharedString,
442 /// This is a unix timestamp
443 pub commit_timestamp: i64,
444 pub author_name: SharedString,
445 pub has_parent: bool,
446}
447
448#[derive(Clone, Debug, Default, Hash, PartialEq, Eq)]
449pub struct CommitDetails {
450 pub sha: SharedString,
451 pub message: SharedString,
452 pub commit_timestamp: i64,
453 pub author_email: SharedString,
454 pub author_name: SharedString,
455}
456
457#[derive(Clone, Debug, Hash, PartialEq, Eq)]
458pub struct FileHistoryEntry {
459 pub sha: SharedString,
460 pub subject: SharedString,
461 pub message: SharedString,
462 pub commit_timestamp: i64,
463 pub author_name: SharedString,
464 pub author_email: SharedString,
465}
466
467#[derive(Debug, Clone)]
468pub struct FileHistory {
469 pub entries: Vec<FileHistoryEntry>,
470 pub path: RepoPath,
471}
472
473#[derive(Debug)]
474pub struct CommitDiff {
475 pub files: Vec<CommitFile>,
476}
477
478#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
479pub enum CommitFileStatus {
480 Added,
481 Modified,
482 Deleted,
483}
484
485#[derive(Debug)]
486pub struct CommitFile {
487 pub path: RepoPath,
488 pub old_text: Option<String>,
489 pub new_text: Option<String>,
490 pub is_binary: bool,
491}
492
493impl CommitFile {
494 pub fn status(&self) -> CommitFileStatus {
495 match (&self.old_text, &self.new_text) {
496 (None, Some(_)) => CommitFileStatus::Added,
497 (Some(_), None) => CommitFileStatus::Deleted,
498 _ => CommitFileStatus::Modified,
499 }
500 }
501}
502
503impl CommitDetails {
504 pub fn short_sha(&self) -> SharedString {
505 self.sha[..SHORT_SHA_LENGTH].to_string().into()
506 }
507}
508
509/// Detects if content is binary by checking for NUL bytes in the first 8000 bytes.
510/// This matches git's binary detection heuristic.
511pub fn is_binary_content(content: &[u8]) -> bool {
512 let check_len = content.len().min(8000);
513 content[..check_len].contains(&0)
514}
515
516#[derive(Debug, Clone, Hash, PartialEq, Eq)]
517pub struct Remote {
518 pub name: SharedString,
519}
520
521pub enum ResetMode {
522 /// Reset the branch pointer, leave index and worktree unchanged (this will make it look like things that were
523 /// committed are now staged).
524 Soft,
525 /// Reset the branch pointer and index, leave worktree unchanged (this makes it look as though things that were
526 /// committed are now unstaged).
527 Mixed,
528}
529
530#[derive(Debug, Clone, Hash, PartialEq, Eq)]
531pub enum FetchOptions {
532 All,
533 Remote(Remote),
534}
535
536impl FetchOptions {
537 pub fn to_proto(&self) -> Option<String> {
538 match self {
539 FetchOptions::All => None,
540 FetchOptions::Remote(remote) => Some(remote.clone().name.into()),
541 }
542 }
543
544 pub fn from_proto(remote_name: Option<String>) -> Self {
545 match remote_name {
546 Some(name) => FetchOptions::Remote(Remote { name: name.into() }),
547 None => FetchOptions::All,
548 }
549 }
550
551 pub fn name(&self) -> SharedString {
552 match self {
553 Self::All => "Fetch all remotes".into(),
554 Self::Remote(remote) => remote.name.clone(),
555 }
556 }
557}
558
559impl std::fmt::Display for FetchOptions {
560 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
561 match self {
562 FetchOptions::All => write!(f, "--all"),
563 FetchOptions::Remote(remote) => write!(f, "{}", remote.name),
564 }
565 }
566}
567
568/// Modifies .git/info/exclude temporarily
569pub struct GitExcludeOverride {
570 git_exclude_path: PathBuf,
571 original_excludes: Option<String>,
572 added_excludes: Option<String>,
573}
574
575impl GitExcludeOverride {
576 const START_BLOCK_MARKER: &str = "\n\n# ====== Auto-added by Zed: =======\n";
577 const END_BLOCK_MARKER: &str = "\n# ====== End of auto-added by Zed =======\n";
578
579 pub async fn new(git_exclude_path: PathBuf) -> Result<Self> {
580 let original_excludes =
581 smol::fs::read_to_string(&git_exclude_path)
582 .await
583 .ok()
584 .map(|content| {
585 // Auto-generated lines are normally cleaned up in
586 // `restore_original()` or `drop()`, but may stuck in rare cases.
587 // Make sure to remove them.
588 Self::remove_auto_generated_block(&content)
589 });
590
591 Ok(GitExcludeOverride {
592 git_exclude_path,
593 original_excludes,
594 added_excludes: None,
595 })
596 }
597
598 pub async fn add_excludes(&mut self, excludes: &str) -> Result<()> {
599 self.added_excludes = Some(if let Some(ref already_added) = self.added_excludes {
600 format!("{already_added}\n{excludes}")
601 } else {
602 excludes.to_string()
603 });
604
605 let mut content = self.original_excludes.clone().unwrap_or_default();
606
607 content.push_str(Self::START_BLOCK_MARKER);
608 content.push_str(self.added_excludes.as_ref().unwrap());
609 content.push_str(Self::END_BLOCK_MARKER);
610
611 smol::fs::write(&self.git_exclude_path, content).await?;
612 Ok(())
613 }
614
615 pub async fn restore_original(&mut self) -> Result<()> {
616 if let Some(ref original) = self.original_excludes {
617 smol::fs::write(&self.git_exclude_path, original).await?;
618 } else if self.git_exclude_path.exists() {
619 smol::fs::remove_file(&self.git_exclude_path).await?;
620 }
621
622 self.added_excludes = None;
623
624 Ok(())
625 }
626
627 fn remove_auto_generated_block(content: &str) -> String {
628 let start_marker = Self::START_BLOCK_MARKER;
629 let end_marker = Self::END_BLOCK_MARKER;
630 let mut content = content.to_string();
631
632 let start_index = content.find(start_marker);
633 let end_index = content.rfind(end_marker);
634
635 if let (Some(start), Some(end)) = (start_index, end_index) {
636 if end > start {
637 content.replace_range(start..end + end_marker.len(), "");
638 }
639 }
640
641 // Older versions of Zed didn't have end-of-block markers,
642 // so it's impossible to determine auto-generated lines.
643 // Conservatively remove the standard list of excludes
644 let standard_excludes = format!(
645 "{}{}",
646 Self::START_BLOCK_MARKER,
647 include_str!("./checkpoint.gitignore")
648 );
649 content = content.replace(&standard_excludes, "");
650
651 content
652 }
653}
654
655impl Drop for GitExcludeOverride {
656 fn drop(&mut self) {
657 if self.added_excludes.is_some() {
658 let git_exclude_path = self.git_exclude_path.clone();
659 let original_excludes = self.original_excludes.clone();
660 smol::spawn(async move {
661 if let Some(original) = original_excludes {
662 smol::fs::write(&git_exclude_path, original).await
663 } else {
664 smol::fs::remove_file(&git_exclude_path).await
665 }
666 })
667 .detach();
668 }
669 }
670}
671
672#[derive(Clone, Debug, Default, PartialEq, Eq, Hash, Copy)]
673pub enum LogOrder {
674 #[default]
675 DateOrder,
676 TopoOrder,
677 AuthorDateOrder,
678 ReverseChronological,
679}
680
681impl LogOrder {
682 pub fn as_arg(&self) -> &'static str {
683 match self {
684 LogOrder::DateOrder => "--date-order",
685 LogOrder::TopoOrder => "--topo-order",
686 LogOrder::AuthorDateOrder => "--author-date-order",
687 LogOrder::ReverseChronological => "--reverse",
688 }
689 }
690}
691
692#[derive(Clone, Debug, Default, PartialEq, Eq, Hash)]
693pub enum LogSource {
694 #[default]
695 All,
696 Branch(SharedString),
697 Sha(Oid),
698}
699
700impl LogSource {
701 fn get_arg(&self) -> Result<&str> {
702 match self {
703 LogSource::All => Ok("--all"),
704 LogSource::Branch(branch) => Ok(branch.as_str()),
705 LogSource::Sha(oid) => {
706 str::from_utf8(oid.as_bytes()).context("Failed to build str from sha")
707 }
708 }
709 }
710}
711
712pub trait GitRepository: Send + Sync {
713 fn reload_index(&self);
714
715 /// Returns the contents of an entry in the repository's index, or None if there is no entry for the given path.
716 ///
717 /// Also returns `None` for symlinks.
718 fn load_index_text(&self, path: RepoPath) -> BoxFuture<'_, Option<String>>;
719
720 /// Returns the contents of an entry in the repository's HEAD, or None if HEAD does not exist or has no entry for the given path.
721 ///
722 /// Also returns `None` for symlinks.
723 fn load_committed_text(&self, path: RepoPath) -> BoxFuture<'_, Option<String>>;
724 fn load_blob_content(&self, oid: Oid) -> BoxFuture<'_, Result<String>>;
725
726 fn set_index_text(
727 &self,
728 path: RepoPath,
729 content: Option<String>,
730 env: Arc<HashMap<String, String>>,
731 is_executable: bool,
732 ) -> BoxFuture<'_, anyhow::Result<()>>;
733
734 /// Returns the URL of the remote with the given name.
735 fn remote_url(&self, name: &str) -> BoxFuture<'_, Option<String>>;
736
737 /// Resolve a list of refs to SHAs.
738 fn revparse_batch(&self, revs: Vec<String>) -> BoxFuture<'_, Result<Vec<Option<String>>>>;
739
740 fn head_sha(&self) -> BoxFuture<'_, Option<String>> {
741 async move {
742 self.revparse_batch(vec!["HEAD".into()])
743 .await
744 .unwrap_or_default()
745 .into_iter()
746 .next()
747 .flatten()
748 }
749 .boxed()
750 }
751
752 fn merge_message(&self) -> BoxFuture<'_, Option<String>>;
753
754 fn status(&self, path_prefixes: &[RepoPath]) -> Task<Result<GitStatus>>;
755 fn diff_tree(&self, request: DiffTreeType) -> BoxFuture<'_, Result<TreeDiff>>;
756
757 fn stash_entries(&self) -> BoxFuture<'_, Result<GitStash>>;
758
759 fn branches(&self) -> BoxFuture<'_, Result<Vec<Branch>>>;
760
761 fn change_branch(&self, name: String) -> BoxFuture<'_, Result<()>>;
762 fn create_branch(&self, name: String, base_branch: Option<String>)
763 -> BoxFuture<'_, Result<()>>;
764 fn rename_branch(&self, branch: String, new_name: String) -> BoxFuture<'_, Result<()>>;
765
766 fn delete_branch(&self, name: String) -> BoxFuture<'_, Result<()>>;
767
768 fn worktrees(&self) -> BoxFuture<'_, Result<Vec<Worktree>>>;
769
770 fn create_worktree(
771 &self,
772 name: String,
773 directory: PathBuf,
774 from_commit: Option<String>,
775 ) -> BoxFuture<'_, Result<()>>;
776
777 fn remove_worktree(&self, path: PathBuf, force: bool) -> BoxFuture<'_, Result<()>>;
778
779 fn rename_worktree(&self, old_path: PathBuf, new_path: PathBuf) -> BoxFuture<'_, Result<()>>;
780
781 fn reset(
782 &self,
783 commit: String,
784 mode: ResetMode,
785 env: Arc<HashMap<String, String>>,
786 ) -> BoxFuture<'_, Result<()>>;
787
788 fn checkout_files(
789 &self,
790 commit: String,
791 paths: Vec<RepoPath>,
792 env: Arc<HashMap<String, String>>,
793 ) -> BoxFuture<'_, Result<()>>;
794
795 fn show(&self, commit: String) -> BoxFuture<'_, Result<CommitDetails>>;
796
797 fn load_commit(&self, commit: String, cx: AsyncApp) -> BoxFuture<'_, Result<CommitDiff>>;
798 fn blame(
799 &self,
800 path: RepoPath,
801 content: Rope,
802 line_ending: LineEnding,
803 ) -> BoxFuture<'_, Result<crate::blame::Blame>>;
804 fn file_history(&self, path: RepoPath) -> BoxFuture<'_, Result<FileHistory>>;
805 fn file_history_paginated(
806 &self,
807 path: RepoPath,
808 skip: usize,
809 limit: Option<usize>,
810 ) -> BoxFuture<'_, Result<FileHistory>>;
811
812 /// Returns the absolute path to the repository. For worktrees, this will be the path to the
813 /// worktree's gitdir within the main repository (typically `.git/worktrees/<name>`).
814 fn path(&self) -> PathBuf;
815
816 fn main_repository_path(&self) -> PathBuf;
817
818 /// Updates the index to match the worktree at the given paths.
819 ///
820 /// If any of the paths have been deleted from the worktree, they will be removed from the index if found there.
821 fn stage_paths(
822 &self,
823 paths: Vec<RepoPath>,
824 env: Arc<HashMap<String, String>>,
825 ) -> BoxFuture<'_, Result<()>>;
826 /// Updates the index to match HEAD at the given paths.
827 ///
828 /// If any of the paths were previously staged but do not exist in HEAD, they will be removed from the index.
829 fn unstage_paths(
830 &self,
831 paths: Vec<RepoPath>,
832 env: Arc<HashMap<String, String>>,
833 ) -> BoxFuture<'_, Result<()>>;
834
835 fn run_hook(
836 &self,
837 hook: RunHook,
838 env: Arc<HashMap<String, String>>,
839 ) -> BoxFuture<'_, Result<()>>;
840
841 fn commit(
842 &self,
843 message: SharedString,
844 name_and_email: Option<(SharedString, SharedString)>,
845 options: CommitOptions,
846 askpass: AskPassDelegate,
847 env: Arc<HashMap<String, String>>,
848 ) -> BoxFuture<'_, Result<()>>;
849
850 fn stash_paths(
851 &self,
852 paths: Vec<RepoPath>,
853 env: Arc<HashMap<String, String>>,
854 ) -> BoxFuture<'_, Result<()>>;
855
856 fn stash_pop(
857 &self,
858 index: Option<usize>,
859 env: Arc<HashMap<String, String>>,
860 ) -> BoxFuture<'_, Result<()>>;
861
862 fn stash_apply(
863 &self,
864 index: Option<usize>,
865 env: Arc<HashMap<String, String>>,
866 ) -> BoxFuture<'_, Result<()>>;
867
868 fn stash_drop(
869 &self,
870 index: Option<usize>,
871 env: Arc<HashMap<String, String>>,
872 ) -> BoxFuture<'_, Result<()>>;
873
874 fn push(
875 &self,
876 branch_name: String,
877 remote_branch_name: String,
878 upstream_name: String,
879 options: Option<PushOptions>,
880 askpass: AskPassDelegate,
881 env: Arc<HashMap<String, String>>,
882 // This method takes an AsyncApp to ensure it's invoked on the main thread,
883 // otherwise git-credentials-manager won't work.
884 cx: AsyncApp,
885 ) -> BoxFuture<'_, Result<RemoteCommandOutput>>;
886
887 fn pull(
888 &self,
889 branch_name: Option<String>,
890 upstream_name: String,
891 rebase: bool,
892 askpass: AskPassDelegate,
893 env: Arc<HashMap<String, String>>,
894 // This method takes an AsyncApp to ensure it's invoked on the main thread,
895 // otherwise git-credentials-manager won't work.
896 cx: AsyncApp,
897 ) -> BoxFuture<'_, Result<RemoteCommandOutput>>;
898
899 fn fetch(
900 &self,
901 fetch_options: FetchOptions,
902 askpass: AskPassDelegate,
903 env: Arc<HashMap<String, String>>,
904 // This method takes an AsyncApp to ensure it's invoked on the main thread,
905 // otherwise git-credentials-manager won't work.
906 cx: AsyncApp,
907 ) -> BoxFuture<'_, Result<RemoteCommandOutput>>;
908
909 fn get_push_remote(&self, branch: String) -> BoxFuture<'_, Result<Option<Remote>>>;
910
911 fn get_branch_remote(&self, branch: String) -> BoxFuture<'_, Result<Option<Remote>>>;
912
913 fn get_all_remotes(&self) -> BoxFuture<'_, Result<Vec<Remote>>>;
914
915 fn remove_remote(&self, name: String) -> BoxFuture<'_, Result<()>>;
916
917 fn create_remote(&self, name: String, url: String) -> BoxFuture<'_, Result<()>>;
918
919 /// returns a list of remote branches that contain HEAD
920 fn check_for_pushed_commit(&self) -> BoxFuture<'_, Result<Vec<SharedString>>>;
921
922 /// Run git diff
923 fn diff(&self, diff: DiffType) -> BoxFuture<'_, Result<String>>;
924
925 fn diff_stat(
926 &self,
927 diff: DiffType,
928 ) -> BoxFuture<'_, Result<HashMap<RepoPath, crate::status::DiffStat>>>;
929
930 /// Creates a checkpoint for the repository.
931 fn checkpoint(&self) -> BoxFuture<'static, Result<GitRepositoryCheckpoint>>;
932
933 /// Resets to a previously-created checkpoint.
934 fn restore_checkpoint(&self, checkpoint: GitRepositoryCheckpoint) -> BoxFuture<'_, Result<()>>;
935
936 /// Compares two checkpoints, returning true if they are equal
937 fn compare_checkpoints(
938 &self,
939 left: GitRepositoryCheckpoint,
940 right: GitRepositoryCheckpoint,
941 ) -> BoxFuture<'_, Result<bool>>;
942
943 /// Computes a diff between two checkpoints.
944 fn diff_checkpoints(
945 &self,
946 base_checkpoint: GitRepositoryCheckpoint,
947 target_checkpoint: GitRepositoryCheckpoint,
948 ) -> BoxFuture<'_, Result<String>>;
949
950 fn default_branch(
951 &self,
952 include_remote_name: bool,
953 ) -> BoxFuture<'_, Result<Option<SharedString>>>;
954
955 /// Runs `git rev-list --parents` to get the commit graph structure.
956 /// Returns commit SHAs and their parent SHAs for building the graph visualization.
957 fn initial_graph_data(
958 &self,
959 log_source: LogSource,
960 log_order: LogOrder,
961 request_tx: Sender<Vec<Arc<InitialGraphCommitData>>>,
962 ) -> BoxFuture<'_, Result<()>>;
963
964 fn commit_data_reader(&self) -> Result<CommitDataReader>;
965
966 fn set_trusted(&self, trusted: bool);
967 fn is_trusted(&self) -> bool;
968}
969
970pub enum DiffType {
971 HeadToIndex,
972 HeadToWorktree,
973 MergeBase { base_ref: SharedString },
974}
975
976#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, JsonSchema)]
977pub enum PushOptions {
978 SetUpstream,
979 Force,
980}
981
982impl std::fmt::Debug for dyn GitRepository {
983 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
984 f.debug_struct("dyn GitRepository<...>").finish()
985 }
986}
987
988pub struct RealGitRepository {
989 pub repository: Arc<Mutex<git2::Repository>>,
990 pub system_git_binary_path: Option<PathBuf>,
991 pub any_git_binary_path: PathBuf,
992 any_git_binary_help_output: Arc<Mutex<Option<SharedString>>>,
993 executor: BackgroundExecutor,
994 is_trusted: Arc<AtomicBool>,
995}
996
997impl RealGitRepository {
998 pub fn new(
999 dotgit_path: &Path,
1000 bundled_git_binary_path: Option<PathBuf>,
1001 system_git_binary_path: Option<PathBuf>,
1002 executor: BackgroundExecutor,
1003 ) -> Option<Self> {
1004 let any_git_binary_path = system_git_binary_path.clone().or(bundled_git_binary_path)?;
1005 let workdir_root = dotgit_path.parent()?;
1006 let repository = git2::Repository::open(workdir_root).log_err()?;
1007 Some(Self {
1008 repository: Arc::new(Mutex::new(repository)),
1009 system_git_binary_path,
1010 any_git_binary_path,
1011 executor,
1012 any_git_binary_help_output: Arc::new(Mutex::new(None)),
1013 is_trusted: Arc::new(AtomicBool::new(false)),
1014 })
1015 }
1016
1017 fn working_directory(&self) -> Result<PathBuf> {
1018 self.repository
1019 .lock()
1020 .workdir()
1021 .context("failed to read git work directory")
1022 .map(Path::to_path_buf)
1023 }
1024
1025 fn git_binary(&self) -> Result<GitBinary> {
1026 Ok(GitBinary::new(
1027 self.any_git_binary_path.clone(),
1028 self.working_directory()
1029 .with_context(|| "Can't run git commands without a working directory")?,
1030 self.executor.clone(),
1031 self.is_trusted(),
1032 ))
1033 }
1034
1035 async fn any_git_binary_help_output(&self) -> SharedString {
1036 if let Some(output) = self.any_git_binary_help_output.lock().clone() {
1037 return output;
1038 }
1039 let git_binary = self.git_binary();
1040 let output: SharedString = self
1041 .executor
1042 .spawn(async move { git_binary?.run(["help", "-a"]).await })
1043 .await
1044 .unwrap_or_default()
1045 .into();
1046 *self.any_git_binary_help_output.lock() = Some(output.clone());
1047 output
1048 }
1049}
1050
1051#[derive(Clone, Debug)]
1052pub struct GitRepositoryCheckpoint {
1053 pub commit_sha: Oid,
1054}
1055
1056#[derive(Debug)]
1057pub struct GitCommitter {
1058 pub name: Option<String>,
1059 pub email: Option<String>,
1060}
1061
1062pub async fn get_git_committer(cx: &AsyncApp) -> GitCommitter {
1063 if cfg!(any(feature = "test-support", test)) {
1064 return GitCommitter {
1065 name: None,
1066 email: None,
1067 };
1068 }
1069
1070 let git_binary_path =
1071 if cfg!(target_os = "macos") && option_env!("ZED_BUNDLE").as_deref() == Some("true") {
1072 cx.update(|cx| {
1073 cx.path_for_auxiliary_executable("git")
1074 .context("could not find git binary path")
1075 .log_err()
1076 })
1077 } else {
1078 None
1079 };
1080
1081 let git = GitBinary::new(
1082 git_binary_path.unwrap_or(PathBuf::from("git")),
1083 paths::home_dir().clone(),
1084 cx.background_executor().clone(),
1085 true,
1086 );
1087
1088 cx.background_spawn(async move {
1089 let name = git.run(["config", "--global", "user.name"]).await.log_err();
1090 let email = git
1091 .run(["config", "--global", "user.email"])
1092 .await
1093 .log_err();
1094 GitCommitter { name, email }
1095 })
1096 .await
1097}
1098
1099impl GitRepository for RealGitRepository {
1100 fn reload_index(&self) {
1101 if let Ok(mut index) = self.repository.lock().index() {
1102 _ = index.read(false);
1103 }
1104 }
1105
1106 fn path(&self) -> PathBuf {
1107 let repo = self.repository.lock();
1108 repo.path().into()
1109 }
1110
1111 fn main_repository_path(&self) -> PathBuf {
1112 let repo = self.repository.lock();
1113 repo.commondir().into()
1114 }
1115
1116 fn show(&self, commit: String) -> BoxFuture<'_, Result<CommitDetails>> {
1117 let git_binary = self.git_binary();
1118 self.executor
1119 .spawn(async move {
1120 let git = git_binary?;
1121 let output = git
1122 .build_command([
1123 "--no-optional-locks",
1124 "show",
1125 "--no-patch",
1126 "--format=%H%x00%B%x00%at%x00%ae%x00%an%x00",
1127 &commit,
1128 ])
1129 .output()
1130 .await?;
1131 let output = std::str::from_utf8(&output.stdout)?;
1132 let fields = output.split('\0').collect::<Vec<_>>();
1133 if fields.len() != 6 {
1134 bail!("unexpected git-show output for {commit:?}: {output:?}")
1135 }
1136 let sha = fields[0].to_string().into();
1137 let message = fields[1].to_string().into();
1138 let commit_timestamp = fields[2].parse()?;
1139 let author_email = fields[3].to_string().into();
1140 let author_name = fields[4].to_string().into();
1141 Ok(CommitDetails {
1142 sha,
1143 message,
1144 commit_timestamp,
1145 author_email,
1146 author_name,
1147 })
1148 })
1149 .boxed()
1150 }
1151
1152 fn load_commit(&self, commit: String, cx: AsyncApp) -> BoxFuture<'_, Result<CommitDiff>> {
1153 if self.repository.lock().workdir().is_none() {
1154 return future::ready(Err(anyhow!("no working directory"))).boxed();
1155 }
1156 let git_binary = self.git_binary();
1157 cx.background_spawn(async move {
1158 let git = git_binary?;
1159 let show_output = git
1160 .build_command([
1161 "--no-optional-locks",
1162 "show",
1163 "--format=",
1164 "-z",
1165 "--no-renames",
1166 "--name-status",
1167 "--first-parent",
1168 ])
1169 .arg(&commit)
1170 .stdin(Stdio::null())
1171 .stdout(Stdio::piped())
1172 .stderr(Stdio::piped())
1173 .output()
1174 .await
1175 .context("starting git show process")?;
1176
1177 let show_stdout = String::from_utf8_lossy(&show_output.stdout);
1178 let changes = parse_git_diff_name_status(&show_stdout);
1179 let parent_sha = format!("{}^", commit);
1180
1181 let mut cat_file_process = git
1182 .build_command(["--no-optional-locks", "cat-file", "--batch=%(objectsize)"])
1183 .stdin(Stdio::piped())
1184 .stdout(Stdio::piped())
1185 .stderr(Stdio::piped())
1186 .spawn()
1187 .context("starting git cat-file process")?;
1188
1189 let mut files = Vec::<CommitFile>::new();
1190 let mut stdin = BufWriter::with_capacity(512, cat_file_process.stdin.take().unwrap());
1191 let mut stdout = BufReader::new(cat_file_process.stdout.take().unwrap());
1192 let mut info_line = String::new();
1193 let mut newline = [b'\0'];
1194 for (path, status_code) in changes {
1195 // git-show outputs `/`-delimited paths even on Windows.
1196 let Some(rel_path) = RelPath::unix(path).log_err() else {
1197 continue;
1198 };
1199
1200 match status_code {
1201 StatusCode::Modified => {
1202 stdin.write_all(commit.as_bytes()).await?;
1203 stdin.write_all(b":").await?;
1204 stdin.write_all(path.as_bytes()).await?;
1205 stdin.write_all(b"\n").await?;
1206 stdin.write_all(parent_sha.as_bytes()).await?;
1207 stdin.write_all(b":").await?;
1208 stdin.write_all(path.as_bytes()).await?;
1209 stdin.write_all(b"\n").await?;
1210 }
1211 StatusCode::Added => {
1212 stdin.write_all(commit.as_bytes()).await?;
1213 stdin.write_all(b":").await?;
1214 stdin.write_all(path.as_bytes()).await?;
1215 stdin.write_all(b"\n").await?;
1216 }
1217 StatusCode::Deleted => {
1218 stdin.write_all(parent_sha.as_bytes()).await?;
1219 stdin.write_all(b":").await?;
1220 stdin.write_all(path.as_bytes()).await?;
1221 stdin.write_all(b"\n").await?;
1222 }
1223 _ => continue,
1224 }
1225 stdin.flush().await?;
1226
1227 info_line.clear();
1228 stdout.read_line(&mut info_line).await?;
1229
1230 let len = info_line.trim_end().parse().with_context(|| {
1231 format!("invalid object size output from cat-file {info_line}")
1232 })?;
1233 let mut text_bytes = vec![0; len];
1234 stdout.read_exact(&mut text_bytes).await?;
1235 stdout.read_exact(&mut newline).await?;
1236
1237 let mut old_text = None;
1238 let mut new_text = None;
1239 let mut is_binary = is_binary_content(&text_bytes);
1240 let text = if is_binary {
1241 String::new()
1242 } else {
1243 String::from_utf8_lossy(&text_bytes).to_string()
1244 };
1245
1246 match status_code {
1247 StatusCode::Modified => {
1248 info_line.clear();
1249 stdout.read_line(&mut info_line).await?;
1250 let len = info_line.trim_end().parse().with_context(|| {
1251 format!("invalid object size output from cat-file {}", info_line)
1252 })?;
1253 let mut parent_bytes = vec![0; len];
1254 stdout.read_exact(&mut parent_bytes).await?;
1255 stdout.read_exact(&mut newline).await?;
1256 is_binary = is_binary || is_binary_content(&parent_bytes);
1257 if is_binary {
1258 old_text = Some(String::new());
1259 new_text = Some(String::new());
1260 } else {
1261 old_text = Some(String::from_utf8_lossy(&parent_bytes).to_string());
1262 new_text = Some(text);
1263 }
1264 }
1265 StatusCode::Added => new_text = Some(text),
1266 StatusCode::Deleted => old_text = Some(text),
1267 _ => continue,
1268 }
1269
1270 files.push(CommitFile {
1271 path: RepoPath(Arc::from(rel_path)),
1272 old_text,
1273 new_text,
1274 is_binary,
1275 })
1276 }
1277
1278 Ok(CommitDiff { files })
1279 })
1280 .boxed()
1281 }
1282
1283 fn reset(
1284 &self,
1285 commit: String,
1286 mode: ResetMode,
1287 env: Arc<HashMap<String, String>>,
1288 ) -> BoxFuture<'_, Result<()>> {
1289 let git_binary = self.git_binary();
1290 async move {
1291 let mode_flag = match mode {
1292 ResetMode::Mixed => "--mixed",
1293 ResetMode::Soft => "--soft",
1294 };
1295
1296 let git = git_binary?;
1297 let output = git
1298 .build_command(["reset", mode_flag, &commit])
1299 .envs(env.iter())
1300 .output()
1301 .await?;
1302 anyhow::ensure!(
1303 output.status.success(),
1304 "Failed to reset:\n{}",
1305 String::from_utf8_lossy(&output.stderr),
1306 );
1307 Ok(())
1308 }
1309 .boxed()
1310 }
1311
1312 fn checkout_files(
1313 &self,
1314 commit: String,
1315 paths: Vec<RepoPath>,
1316 env: Arc<HashMap<String, String>>,
1317 ) -> BoxFuture<'_, Result<()>> {
1318 let git_binary = self.git_binary();
1319 async move {
1320 if paths.is_empty() {
1321 return Ok(());
1322 }
1323
1324 let git = git_binary?;
1325 let output = git
1326 .build_command(["checkout", &commit, "--"])
1327 .envs(env.iter())
1328 .args(paths.iter().map(|path| path.as_unix_str()))
1329 .output()
1330 .await?;
1331 anyhow::ensure!(
1332 output.status.success(),
1333 "Failed to checkout files:\n{}",
1334 String::from_utf8_lossy(&output.stderr),
1335 );
1336 Ok(())
1337 }
1338 .boxed()
1339 }
1340
1341 fn load_index_text(&self, path: RepoPath) -> BoxFuture<'_, Option<String>> {
1342 // https://git-scm.com/book/en/v2/Git-Internals-Git-Objects
1343 const GIT_MODE_SYMLINK: u32 = 0o120000;
1344
1345 let repo = self.repository.clone();
1346 self.executor
1347 .spawn(async move {
1348 fn logic(repo: &git2::Repository, path: &RepoPath) -> Result<Option<String>> {
1349 let mut index = repo.index()?;
1350 index.read(false)?;
1351
1352 const STAGE_NORMAL: i32 = 0;
1353 // git2 unwraps internally on empty paths or `.`
1354 if path.is_empty() {
1355 bail!("empty path has no index text");
1356 }
1357 let Some(entry) = index.get_path(path.as_std_path(), STAGE_NORMAL) else {
1358 return Ok(None);
1359 };
1360 if entry.mode == GIT_MODE_SYMLINK {
1361 return Ok(None);
1362 }
1363
1364 let content = repo.find_blob(entry.id)?.content().to_owned();
1365 Ok(String::from_utf8(content).ok())
1366 }
1367
1368 logic(&repo.lock(), &path)
1369 .context("loading index text")
1370 .log_err()
1371 .flatten()
1372 })
1373 .boxed()
1374 }
1375
1376 fn load_committed_text(&self, path: RepoPath) -> BoxFuture<'_, Option<String>> {
1377 let repo = self.repository.clone();
1378 self.executor
1379 .spawn(async move {
1380 fn logic(repo: &git2::Repository, path: &RepoPath) -> Result<Option<String>> {
1381 let head = repo.head()?.peel_to_tree()?;
1382 // git2 unwraps internally on empty paths or `.`
1383 if path.is_empty() {
1384 return Err(anyhow!("empty path has no committed text"));
1385 }
1386 let Some(entry) = head.get_path(path.as_std_path()).ok() else {
1387 return Ok(None);
1388 };
1389 if entry.filemode() == i32::from(git2::FileMode::Link) {
1390 return Ok(None);
1391 }
1392 let content = repo.find_blob(entry.id())?.content().to_owned();
1393 Ok(String::from_utf8(content).ok())
1394 }
1395
1396 logic(&repo.lock(), &path)
1397 .context("loading committed text")
1398 .log_err()
1399 .flatten()
1400 })
1401 .boxed()
1402 }
1403
1404 fn load_blob_content(&self, oid: Oid) -> BoxFuture<'_, Result<String>> {
1405 let repo = self.repository.clone();
1406 self.executor
1407 .spawn(async move {
1408 let repo = repo.lock();
1409 let content = repo.find_blob(oid.0)?.content().to_owned();
1410 Ok(String::from_utf8(content)?)
1411 })
1412 .boxed()
1413 }
1414
1415 fn set_index_text(
1416 &self,
1417 path: RepoPath,
1418 content: Option<String>,
1419 env: Arc<HashMap<String, String>>,
1420 is_executable: bool,
1421 ) -> BoxFuture<'_, anyhow::Result<()>> {
1422 let git_binary = self.git_binary();
1423 self.executor
1424 .spawn(async move {
1425 let git = git_binary?;
1426 let mode = if is_executable { "100755" } else { "100644" };
1427
1428 if let Some(content) = content {
1429 let mut child = git
1430 .build_command(["hash-object", "-w", "--stdin"])
1431 .envs(env.iter())
1432 .stdin(Stdio::piped())
1433 .stdout(Stdio::piped())
1434 .spawn()?;
1435 let mut stdin = child.stdin.take().unwrap();
1436 stdin.write_all(content.as_bytes()).await?;
1437 stdin.flush().await?;
1438 drop(stdin);
1439 let output = child.output().await?.stdout;
1440 let sha = str::from_utf8(&output)?.trim();
1441
1442 log::debug!("indexing SHA: {sha}, path {path:?}");
1443
1444 let output = git
1445 .build_command(["update-index", "--add", "--cacheinfo", mode, sha])
1446 .envs(env.iter())
1447 .arg(path.as_unix_str())
1448 .output()
1449 .await?;
1450
1451 anyhow::ensure!(
1452 output.status.success(),
1453 "Failed to stage:\n{}",
1454 String::from_utf8_lossy(&output.stderr)
1455 );
1456 } else {
1457 log::debug!("removing path {path:?} from the index");
1458 let output = git
1459 .build_command(["update-index", "--force-remove"])
1460 .envs(env.iter())
1461 .arg(path.as_unix_str())
1462 .output()
1463 .await?;
1464 anyhow::ensure!(
1465 output.status.success(),
1466 "Failed to unstage:\n{}",
1467 String::from_utf8_lossy(&output.stderr)
1468 );
1469 }
1470
1471 Ok(())
1472 })
1473 .boxed()
1474 }
1475
1476 fn remote_url(&self, name: &str) -> BoxFuture<'_, Option<String>> {
1477 let repo = self.repository.clone();
1478 let name = name.to_owned();
1479 self.executor
1480 .spawn(async move {
1481 let repo = repo.lock();
1482 let remote = repo.find_remote(&name).ok()?;
1483 remote.url().map(|url| url.to_string())
1484 })
1485 .boxed()
1486 }
1487
1488 fn revparse_batch(&self, revs: Vec<String>) -> BoxFuture<'_, Result<Vec<Option<String>>>> {
1489 let git_binary = self.git_binary();
1490 self.executor
1491 .spawn(async move {
1492 let git = git_binary?;
1493 let mut process = git
1494 .build_command([
1495 "--no-optional-locks",
1496 "cat-file",
1497 "--batch-check=%(objectname)",
1498 ])
1499 .stdin(Stdio::piped())
1500 .stdout(Stdio::piped())
1501 .stderr(Stdio::piped())
1502 .spawn()?;
1503
1504 let stdin = process
1505 .stdin
1506 .take()
1507 .context("no stdin for git cat-file subprocess")?;
1508 let mut stdin = BufWriter::new(stdin);
1509 for rev in &revs {
1510 stdin.write_all(rev.as_bytes()).await?;
1511 stdin.write_all(b"\n").await?;
1512 }
1513 stdin.flush().await?;
1514 drop(stdin);
1515
1516 let output = process.output().await?;
1517 let output = std::str::from_utf8(&output.stdout)?;
1518 let shas = output
1519 .lines()
1520 .map(|line| {
1521 if line.ends_with("missing") {
1522 None
1523 } else {
1524 Some(line.to_string())
1525 }
1526 })
1527 .collect::<Vec<_>>();
1528
1529 if shas.len() != revs.len() {
1530 // In an octopus merge, git cat-file still only outputs the first sha from MERGE_HEAD.
1531 bail!("unexpected number of shas")
1532 }
1533
1534 Ok(shas)
1535 })
1536 .boxed()
1537 }
1538
1539 fn merge_message(&self) -> BoxFuture<'_, Option<String>> {
1540 let path = self.path().join("MERGE_MSG");
1541 self.executor
1542 .spawn(async move { std::fs::read_to_string(&path).ok() })
1543 .boxed()
1544 }
1545
1546 fn status(&self, path_prefixes: &[RepoPath]) -> Task<Result<GitStatus>> {
1547 let git = match self.git_binary() {
1548 Ok(git) => git,
1549 Err(e) => return Task::ready(Err(e)),
1550 };
1551 let args = git_status_args(path_prefixes);
1552 log::debug!("Checking for git status in {path_prefixes:?}");
1553 self.executor.spawn(async move {
1554 let output = git.build_command(args).output().await?;
1555 if output.status.success() {
1556 let stdout = String::from_utf8_lossy(&output.stdout);
1557 stdout.parse()
1558 } else {
1559 let stderr = String::from_utf8_lossy(&output.stderr);
1560 anyhow::bail!("git status failed: {stderr}");
1561 }
1562 })
1563 }
1564
1565 fn diff_tree(&self, request: DiffTreeType) -> BoxFuture<'_, Result<TreeDiff>> {
1566 let git = match self.git_binary() {
1567 Ok(git) => git,
1568 Err(e) => return Task::ready(Err(e)).boxed(),
1569 };
1570
1571 let mut args = vec![
1572 OsString::from("--no-optional-locks"),
1573 OsString::from("diff-tree"),
1574 OsString::from("-r"),
1575 OsString::from("-z"),
1576 OsString::from("--no-renames"),
1577 ];
1578 match request {
1579 DiffTreeType::MergeBase { base, head } => {
1580 args.push("--merge-base".into());
1581 args.push(OsString::from(base.as_str()));
1582 args.push(OsString::from(head.as_str()));
1583 }
1584 DiffTreeType::Since { base, head } => {
1585 args.push(OsString::from(base.as_str()));
1586 args.push(OsString::from(head.as_str()));
1587 }
1588 }
1589
1590 self.executor
1591 .spawn(async move {
1592 let output = git.build_command(args).output().await?;
1593 if output.status.success() {
1594 let stdout = String::from_utf8_lossy(&output.stdout);
1595 stdout.parse()
1596 } else {
1597 let stderr = String::from_utf8_lossy(&output.stderr);
1598 anyhow::bail!("git status failed: {stderr}");
1599 }
1600 })
1601 .boxed()
1602 }
1603
1604 fn stash_entries(&self) -> BoxFuture<'_, Result<GitStash>> {
1605 let git_binary = self.git_binary();
1606 self.executor
1607 .spawn(async move {
1608 let git = git_binary?;
1609 let output = git
1610 .build_command(&["stash", "list", "--pretty=format:%gd%x00%H%x00%ct%x00%s"])
1611 .output()
1612 .await?;
1613 if output.status.success() {
1614 let stdout = String::from_utf8_lossy(&output.stdout);
1615 stdout.parse()
1616 } else {
1617 let stderr = String::from_utf8_lossy(&output.stderr);
1618 anyhow::bail!("git status failed: {stderr}");
1619 }
1620 })
1621 .boxed()
1622 }
1623
1624 fn branches(&self) -> BoxFuture<'_, Result<Vec<Branch>>> {
1625 let git_binary = self.git_binary();
1626 self.executor
1627 .spawn(async move {
1628 let fields = [
1629 "%(HEAD)",
1630 "%(objectname)",
1631 "%(parent)",
1632 "%(refname)",
1633 "%(upstream)",
1634 "%(upstream:track)",
1635 "%(committerdate:unix)",
1636 "%(authorname)",
1637 "%(contents:subject)",
1638 ]
1639 .join("%00");
1640 let args = vec![
1641 "for-each-ref",
1642 "refs/heads/**/*",
1643 "refs/remotes/**/*",
1644 "--format",
1645 &fields,
1646 ];
1647 let git = git_binary?;
1648 let output = git.build_command(args).output().await?;
1649
1650 anyhow::ensure!(
1651 output.status.success(),
1652 "Failed to git git branches:\n{}",
1653 String::from_utf8_lossy(&output.stderr)
1654 );
1655
1656 let input = String::from_utf8_lossy(&output.stdout);
1657
1658 let mut branches = parse_branch_input(&input)?;
1659 if branches.is_empty() {
1660 let args = vec!["symbolic-ref", "--quiet", "HEAD"];
1661
1662 let output = git.build_command(args).output().await?;
1663
1664 // git symbolic-ref returns a non-0 exit code if HEAD points
1665 // to something other than a branch
1666 if output.status.success() {
1667 let name = String::from_utf8_lossy(&output.stdout).trim().to_string();
1668
1669 branches.push(Branch {
1670 ref_name: name.into(),
1671 is_head: true,
1672 upstream: None,
1673 most_recent_commit: None,
1674 });
1675 }
1676 }
1677
1678 Ok(branches)
1679 })
1680 .boxed()
1681 }
1682
1683 fn worktrees(&self) -> BoxFuture<'_, Result<Vec<Worktree>>> {
1684 let git_binary = self.git_binary();
1685 self.executor
1686 .spawn(async move {
1687 let git = git_binary?;
1688 let output = git
1689 .build_command(&["--no-optional-locks", "worktree", "list", "--porcelain"])
1690 .output()
1691 .await?;
1692 if output.status.success() {
1693 let stdout = String::from_utf8_lossy(&output.stdout);
1694 Ok(parse_worktrees_from_str(&stdout))
1695 } else {
1696 let stderr = String::from_utf8_lossy(&output.stderr);
1697 anyhow::bail!("git worktree list failed: {stderr}");
1698 }
1699 })
1700 .boxed()
1701 }
1702
1703 fn create_worktree(
1704 &self,
1705 name: String,
1706 directory: PathBuf,
1707 from_commit: Option<String>,
1708 ) -> BoxFuture<'_, Result<()>> {
1709 let git_binary = self.git_binary();
1710 let final_path = directory.join(&name);
1711 let mut args = vec![
1712 OsString::from("--no-optional-locks"),
1713 OsString::from("worktree"),
1714 OsString::from("add"),
1715 OsString::from("-b"),
1716 OsString::from(name.as_str()),
1717 OsString::from("--"),
1718 OsString::from(final_path.as_os_str()),
1719 ];
1720 if let Some(from_commit) = from_commit {
1721 args.push(OsString::from(from_commit));
1722 } else {
1723 args.push(OsString::from("HEAD"));
1724 }
1725
1726 self.executor
1727 .spawn(async move {
1728 std::fs::create_dir_all(final_path.parent().unwrap_or(&final_path))?;
1729 let git = git_binary?;
1730 let output = git.build_command(args).output().await?;
1731 if output.status.success() {
1732 Ok(())
1733 } else {
1734 let stderr = String::from_utf8_lossy(&output.stderr);
1735 anyhow::bail!("git worktree add failed: {stderr}");
1736 }
1737 })
1738 .boxed()
1739 }
1740
1741 fn remove_worktree(&self, path: PathBuf, force: bool) -> BoxFuture<'_, Result<()>> {
1742 let git_binary = self.git_binary();
1743
1744 self.executor
1745 .spawn(async move {
1746 let mut args: Vec<OsString> = vec![
1747 "--no-optional-locks".into(),
1748 "worktree".into(),
1749 "remove".into(),
1750 ];
1751 if force {
1752 args.push("--force".into());
1753 }
1754 args.push("--".into());
1755 args.push(path.as_os_str().into());
1756 git_binary?.run(args).await?;
1757 anyhow::Ok(())
1758 })
1759 .boxed()
1760 }
1761
1762 fn rename_worktree(&self, old_path: PathBuf, new_path: PathBuf) -> BoxFuture<'_, Result<()>> {
1763 let git_binary = self.git_binary();
1764
1765 self.executor
1766 .spawn(async move {
1767 let args: Vec<OsString> = vec![
1768 "--no-optional-locks".into(),
1769 "worktree".into(),
1770 "move".into(),
1771 "--".into(),
1772 old_path.as_os_str().into(),
1773 new_path.as_os_str().into(),
1774 ];
1775 git_binary?.run(args).await?;
1776 anyhow::Ok(())
1777 })
1778 .boxed()
1779 }
1780
1781 fn change_branch(&self, name: String) -> BoxFuture<'_, Result<()>> {
1782 let repo = self.repository.clone();
1783 let git_binary = self.git_binary();
1784 let branch = self.executor.spawn(async move {
1785 let repo = repo.lock();
1786 let branch = if let Ok(branch) = repo.find_branch(&name, BranchType::Local) {
1787 branch
1788 } else if let Ok(revision) = repo.find_branch(&name, BranchType::Remote) {
1789 let (_, branch_name) = name.split_once("/").context("Unexpected branch format")?;
1790
1791 let revision = revision.get();
1792 let branch_commit = revision.peel_to_commit()?;
1793 let mut branch = match repo.branch(&branch_name, &branch_commit, false) {
1794 Ok(branch) => branch,
1795 Err(err) if err.code() == ErrorCode::Exists => {
1796 repo.find_branch(&branch_name, BranchType::Local)?
1797 }
1798 Err(err) => {
1799 return Err(err.into());
1800 }
1801 };
1802
1803 branch.set_upstream(Some(&name))?;
1804 branch
1805 } else {
1806 anyhow::bail!("Branch '{}' not found", name);
1807 };
1808
1809 Ok(branch
1810 .name()?
1811 .context("cannot checkout anonymous branch")?
1812 .to_string())
1813 });
1814
1815 self.executor
1816 .spawn(async move {
1817 let branch = branch.await?;
1818 git_binary?.run(&["checkout", &branch]).await?;
1819 anyhow::Ok(())
1820 })
1821 .boxed()
1822 }
1823
1824 fn create_branch(
1825 &self,
1826 name: String,
1827 base_branch: Option<String>,
1828 ) -> BoxFuture<'_, Result<()>> {
1829 let git_binary = self.git_binary();
1830
1831 self.executor
1832 .spawn(async move {
1833 let mut args = vec!["switch", "-c", &name];
1834 let base_branch_str;
1835 if let Some(ref base) = base_branch {
1836 base_branch_str = base.clone();
1837 args.push(&base_branch_str);
1838 }
1839
1840 git_binary?.run(&args).await?;
1841 anyhow::Ok(())
1842 })
1843 .boxed()
1844 }
1845
1846 fn rename_branch(&self, branch: String, new_name: String) -> BoxFuture<'_, Result<()>> {
1847 let git_binary = self.git_binary();
1848
1849 self.executor
1850 .spawn(async move {
1851 git_binary?
1852 .run(&["branch", "-m", &branch, &new_name])
1853 .await?;
1854 anyhow::Ok(())
1855 })
1856 .boxed()
1857 }
1858
1859 fn delete_branch(&self, name: String) -> BoxFuture<'_, Result<()>> {
1860 let git_binary = self.git_binary();
1861
1862 self.executor
1863 .spawn(async move {
1864 git_binary?.run(&["branch", "-d", &name]).await?;
1865 anyhow::Ok(())
1866 })
1867 .boxed()
1868 }
1869
1870 fn blame(
1871 &self,
1872 path: RepoPath,
1873 content: Rope,
1874 line_ending: LineEnding,
1875 ) -> BoxFuture<'_, Result<crate::blame::Blame>> {
1876 let git = self.git_binary();
1877
1878 self.executor
1879 .spawn(async move {
1880 crate::blame::Blame::for_path(&git?, &path, &content, line_ending).await
1881 })
1882 .boxed()
1883 }
1884
1885 fn file_history(&self, path: RepoPath) -> BoxFuture<'_, Result<FileHistory>> {
1886 self.file_history_paginated(path, 0, None)
1887 }
1888
1889 fn file_history_paginated(
1890 &self,
1891 path: RepoPath,
1892 skip: usize,
1893 limit: Option<usize>,
1894 ) -> BoxFuture<'_, Result<FileHistory>> {
1895 let git_binary = self.git_binary();
1896 self.executor
1897 .spawn(async move {
1898 let git = git_binary?;
1899 // Use a unique delimiter with a hardcoded UUID to separate commits
1900 // This essentially eliminates any chance of encountering the delimiter in actual commit data
1901 let commit_delimiter =
1902 concat!("<<COMMIT_END-", "3f8a9c2e-7d4b-4e1a-9f6c-8b5d2a1e4c3f>>",);
1903
1904 let format_string = format!(
1905 "--pretty=format:%H%x00%s%x00%B%x00%at%x00%an%x00%ae{}",
1906 commit_delimiter
1907 );
1908
1909 let mut args = vec!["--no-optional-locks", "log", "--follow", &format_string];
1910
1911 let skip_str;
1912 let limit_str;
1913 if skip > 0 {
1914 skip_str = skip.to_string();
1915 args.push("--skip");
1916 args.push(&skip_str);
1917 }
1918 if let Some(n) = limit {
1919 limit_str = n.to_string();
1920 args.push("-n");
1921 args.push(&limit_str);
1922 }
1923
1924 args.push("--");
1925
1926 let output = git
1927 .build_command(&args)
1928 .arg(path.as_unix_str())
1929 .output()
1930 .await?;
1931
1932 if !output.status.success() {
1933 let stderr = String::from_utf8_lossy(&output.stderr);
1934 bail!("git log failed: {stderr}");
1935 }
1936
1937 let stdout = std::str::from_utf8(&output.stdout)?;
1938 let mut entries = Vec::new();
1939
1940 for commit_block in stdout.split(commit_delimiter) {
1941 let commit_block = commit_block.trim();
1942 if commit_block.is_empty() {
1943 continue;
1944 }
1945
1946 let fields: Vec<&str> = commit_block.split('\0').collect();
1947 if fields.len() >= 6 {
1948 let sha = fields[0].trim().to_string().into();
1949 let subject = fields[1].trim().to_string().into();
1950 let message = fields[2].trim().to_string().into();
1951 let commit_timestamp = fields[3].trim().parse().unwrap_or(0);
1952 let author_name = fields[4].trim().to_string().into();
1953 let author_email = fields[5].trim().to_string().into();
1954
1955 entries.push(FileHistoryEntry {
1956 sha,
1957 subject,
1958 message,
1959 commit_timestamp,
1960 author_name,
1961 author_email,
1962 });
1963 }
1964 }
1965
1966 Ok(FileHistory { entries, path })
1967 })
1968 .boxed()
1969 }
1970
1971 fn diff(&self, diff: DiffType) -> BoxFuture<'_, Result<String>> {
1972 let git_binary = self.git_binary();
1973 self.executor
1974 .spawn(async move {
1975 let git = git_binary?;
1976 let output = match diff {
1977 DiffType::HeadToIndex => {
1978 git.build_command(["diff", "--staged"]).output().await?
1979 }
1980 DiffType::HeadToWorktree => git.build_command(["diff"]).output().await?,
1981 DiffType::MergeBase { base_ref } => {
1982 git.build_command(["diff", "--merge-base", base_ref.as_ref()])
1983 .output()
1984 .await?
1985 }
1986 };
1987
1988 anyhow::ensure!(
1989 output.status.success(),
1990 "Failed to run git diff:\n{}",
1991 String::from_utf8_lossy(&output.stderr)
1992 );
1993 Ok(String::from_utf8_lossy(&output.stdout).to_string())
1994 })
1995 .boxed()
1996 }
1997
1998 fn diff_stat(
1999 &self,
2000 diff: DiffType,
2001 ) -> BoxFuture<'_, Result<HashMap<RepoPath, crate::status::DiffStat>>> {
2002 let git_binary = self.git_binary();
2003 self.executor
2004 .spawn(async move {
2005 let git = git_binary?;
2006 let output = match diff {
2007 DiffType::HeadToIndex => {
2008 git.build_command(["diff", "--numstat", "--staged"])
2009 .output()
2010 .await?
2011 }
2012 DiffType::HeadToWorktree => {
2013 git.build_command(["diff", "--numstat"]).output().await?
2014 }
2015 DiffType::MergeBase { base_ref } => {
2016 git.build_command([
2017 "diff",
2018 "--numstat",
2019 "--merge-base",
2020 base_ref.as_ref(),
2021 "HEAD",
2022 ])
2023 .output()
2024 .await?
2025 }
2026 };
2027
2028 anyhow::ensure!(
2029 output.status.success(),
2030 "Failed to run git diff --numstat:\n{}",
2031 String::from_utf8_lossy(&output.stderr)
2032 );
2033 Ok(crate::status::parse_numstat(&String::from_utf8_lossy(
2034 &output.stdout,
2035 )))
2036 })
2037 .boxed()
2038 }
2039
2040 fn stage_paths(
2041 &self,
2042 paths: Vec<RepoPath>,
2043 env: Arc<HashMap<String, String>>,
2044 ) -> BoxFuture<'_, Result<()>> {
2045 let git_binary = self.git_binary();
2046 self.executor
2047 .spawn(async move {
2048 if !paths.is_empty() {
2049 let git = git_binary?;
2050 let output = git
2051 .build_command(["update-index", "--add", "--remove", "--"])
2052 .envs(env.iter())
2053 .args(paths.iter().map(|p| p.as_unix_str()))
2054 .output()
2055 .await?;
2056 anyhow::ensure!(
2057 output.status.success(),
2058 "Failed to stage paths:\n{}",
2059 String::from_utf8_lossy(&output.stderr),
2060 );
2061 }
2062 Ok(())
2063 })
2064 .boxed()
2065 }
2066
2067 fn unstage_paths(
2068 &self,
2069 paths: Vec<RepoPath>,
2070 env: Arc<HashMap<String, String>>,
2071 ) -> BoxFuture<'_, Result<()>> {
2072 let git_binary = self.git_binary();
2073
2074 self.executor
2075 .spawn(async move {
2076 if !paths.is_empty() {
2077 let git = git_binary?;
2078 let output = git
2079 .build_command(["reset", "--quiet", "--"])
2080 .envs(env.iter())
2081 .args(paths.iter().map(|p| p.as_std_path()))
2082 .output()
2083 .await?;
2084
2085 anyhow::ensure!(
2086 output.status.success(),
2087 "Failed to unstage:\n{}",
2088 String::from_utf8_lossy(&output.stderr),
2089 );
2090 }
2091 Ok(())
2092 })
2093 .boxed()
2094 }
2095
2096 fn stash_paths(
2097 &self,
2098 paths: Vec<RepoPath>,
2099 env: Arc<HashMap<String, String>>,
2100 ) -> BoxFuture<'_, Result<()>> {
2101 let git_binary = self.git_binary();
2102 self.executor
2103 .spawn(async move {
2104 let git = git_binary?;
2105 let output = git
2106 .build_command(["stash", "push", "--quiet", "--include-untracked"])
2107 .envs(env.iter())
2108 .args(paths.iter().map(|p| p.as_unix_str()))
2109 .output()
2110 .await?;
2111
2112 anyhow::ensure!(
2113 output.status.success(),
2114 "Failed to stash:\n{}",
2115 String::from_utf8_lossy(&output.stderr)
2116 );
2117 Ok(())
2118 })
2119 .boxed()
2120 }
2121
2122 fn stash_pop(
2123 &self,
2124 index: Option<usize>,
2125 env: Arc<HashMap<String, String>>,
2126 ) -> BoxFuture<'_, Result<()>> {
2127 let git_binary = self.git_binary();
2128 self.executor
2129 .spawn(async move {
2130 let git = git_binary?;
2131 let mut args = vec!["stash".to_string(), "pop".to_string()];
2132 if let Some(index) = index {
2133 args.push(format!("stash@{{{}}}", index));
2134 }
2135 let output = git.build_command(&args).envs(env.iter()).output().await?;
2136
2137 anyhow::ensure!(
2138 output.status.success(),
2139 "Failed to stash pop:\n{}",
2140 String::from_utf8_lossy(&output.stderr)
2141 );
2142 Ok(())
2143 })
2144 .boxed()
2145 }
2146
2147 fn stash_apply(
2148 &self,
2149 index: Option<usize>,
2150 env: Arc<HashMap<String, String>>,
2151 ) -> BoxFuture<'_, Result<()>> {
2152 let git_binary = self.git_binary();
2153 self.executor
2154 .spawn(async move {
2155 let git = git_binary?;
2156 let mut args = vec!["stash".to_string(), "apply".to_string()];
2157 if let Some(index) = index {
2158 args.push(format!("stash@{{{}}}", index));
2159 }
2160 let output = git.build_command(&args).envs(env.iter()).output().await?;
2161
2162 anyhow::ensure!(
2163 output.status.success(),
2164 "Failed to apply stash:\n{}",
2165 String::from_utf8_lossy(&output.stderr)
2166 );
2167 Ok(())
2168 })
2169 .boxed()
2170 }
2171
2172 fn stash_drop(
2173 &self,
2174 index: Option<usize>,
2175 env: Arc<HashMap<String, String>>,
2176 ) -> BoxFuture<'_, Result<()>> {
2177 let git_binary = self.git_binary();
2178 self.executor
2179 .spawn(async move {
2180 let git = git_binary?;
2181 let mut args = vec!["stash".to_string(), "drop".to_string()];
2182 if let Some(index) = index {
2183 args.push(format!("stash@{{{}}}", index));
2184 }
2185 let output = git.build_command(&args).envs(env.iter()).output().await?;
2186
2187 anyhow::ensure!(
2188 output.status.success(),
2189 "Failed to stash drop:\n{}",
2190 String::from_utf8_lossy(&output.stderr)
2191 );
2192 Ok(())
2193 })
2194 .boxed()
2195 }
2196
2197 fn commit(
2198 &self,
2199 message: SharedString,
2200 name_and_email: Option<(SharedString, SharedString)>,
2201 options: CommitOptions,
2202 ask_pass: AskPassDelegate,
2203 env: Arc<HashMap<String, String>>,
2204 ) -> BoxFuture<'_, Result<()>> {
2205 let git_binary = self.git_binary();
2206 let executor = self.executor.clone();
2207 // Note: Do not spawn this command on the background thread, it might pop open the credential helper
2208 // which we want to block on.
2209 async move {
2210 let git = git_binary?;
2211 let mut cmd = git.build_command(["commit", "--quiet", "-m"]);
2212 cmd.envs(env.iter())
2213 .arg(&message.to_string())
2214 .arg("--cleanup=strip")
2215 .arg("--no-verify")
2216 .stdout(Stdio::piped())
2217 .stderr(Stdio::piped());
2218
2219 if options.amend {
2220 cmd.arg("--amend");
2221 }
2222
2223 if options.signoff {
2224 cmd.arg("--signoff");
2225 }
2226
2227 if let Some((name, email)) = name_and_email {
2228 cmd.arg("--author").arg(&format!("{name} <{email}>"));
2229 }
2230
2231 run_git_command(env, ask_pass, cmd, executor).await?;
2232
2233 Ok(())
2234 }
2235 .boxed()
2236 }
2237
2238 fn push(
2239 &self,
2240 branch_name: String,
2241 remote_branch_name: String,
2242 remote_name: String,
2243 options: Option<PushOptions>,
2244 ask_pass: AskPassDelegate,
2245 env: Arc<HashMap<String, String>>,
2246 cx: AsyncApp,
2247 ) -> BoxFuture<'_, Result<RemoteCommandOutput>> {
2248 let working_directory = self.working_directory();
2249 let executor = cx.background_executor().clone();
2250 let git_binary_path = self.system_git_binary_path.clone();
2251 let is_trusted = self.is_trusted();
2252 // Note: Do not spawn this command on the background thread, it might pop open the credential helper
2253 // which we want to block on.
2254 async move {
2255 let git_binary_path = git_binary_path.context("git not found on $PATH, can't push")?;
2256 let working_directory = working_directory?;
2257 let git = GitBinary::new(
2258 git_binary_path,
2259 working_directory,
2260 executor.clone(),
2261 is_trusted,
2262 );
2263 let mut command = git.build_command(["push"]);
2264 command
2265 .envs(env.iter())
2266 .args(options.map(|option| match option {
2267 PushOptions::SetUpstream => "--set-upstream",
2268 PushOptions::Force => "--force-with-lease",
2269 }))
2270 .arg(remote_name)
2271 .arg(format!("{}:{}", branch_name, remote_branch_name))
2272 .stdin(Stdio::null())
2273 .stdout(Stdio::piped())
2274 .stderr(Stdio::piped());
2275
2276 run_git_command(env, ask_pass, command, executor).await
2277 }
2278 .boxed()
2279 }
2280
2281 fn pull(
2282 &self,
2283 branch_name: Option<String>,
2284 remote_name: String,
2285 rebase: bool,
2286 ask_pass: AskPassDelegate,
2287 env: Arc<HashMap<String, String>>,
2288 cx: AsyncApp,
2289 ) -> BoxFuture<'_, Result<RemoteCommandOutput>> {
2290 let working_directory = self.working_directory();
2291 let executor = cx.background_executor().clone();
2292 let git_binary_path = self.system_git_binary_path.clone();
2293 let is_trusted = self.is_trusted();
2294 // Note: Do not spawn this command on the background thread, it might pop open the credential helper
2295 // which we want to block on.
2296 async move {
2297 let git_binary_path = git_binary_path.context("git not found on $PATH, can't pull")?;
2298 let working_directory = working_directory?;
2299 let git = GitBinary::new(
2300 git_binary_path,
2301 working_directory,
2302 executor.clone(),
2303 is_trusted,
2304 );
2305 let mut command = git.build_command(["pull"]);
2306 command.envs(env.iter());
2307
2308 if rebase {
2309 command.arg("--rebase");
2310 }
2311
2312 command
2313 .arg(remote_name)
2314 .args(branch_name)
2315 .stdout(Stdio::piped())
2316 .stderr(Stdio::piped());
2317
2318 run_git_command(env, ask_pass, command, executor).await
2319 }
2320 .boxed()
2321 }
2322
2323 fn fetch(
2324 &self,
2325 fetch_options: FetchOptions,
2326 ask_pass: AskPassDelegate,
2327 env: Arc<HashMap<String, String>>,
2328 cx: AsyncApp,
2329 ) -> BoxFuture<'_, Result<RemoteCommandOutput>> {
2330 let working_directory = self.working_directory();
2331 let remote_name = format!("{}", fetch_options);
2332 let git_binary_path = self.system_git_binary_path.clone();
2333 let executor = cx.background_executor().clone();
2334 let is_trusted = self.is_trusted();
2335 // Note: Do not spawn this command on the background thread, it might pop open the credential helper
2336 // which we want to block on.
2337 async move {
2338 let git_binary_path = git_binary_path.context("git not found on $PATH, can't fetch")?;
2339 let working_directory = working_directory?;
2340 let git = GitBinary::new(
2341 git_binary_path,
2342 working_directory,
2343 executor.clone(),
2344 is_trusted,
2345 );
2346 let mut command = git.build_command(["fetch", &remote_name]);
2347 command
2348 .envs(env.iter())
2349 .stdout(Stdio::piped())
2350 .stderr(Stdio::piped());
2351
2352 run_git_command(env, ask_pass, command, executor).await
2353 }
2354 .boxed()
2355 }
2356
2357 fn get_push_remote(&self, branch: String) -> BoxFuture<'_, Result<Option<Remote>>> {
2358 let git_binary = self.git_binary();
2359 self.executor
2360 .spawn(async move {
2361 let git = git_binary?;
2362 let output = git
2363 .build_command(["rev-parse", "--abbrev-ref"])
2364 .arg(format!("{branch}@{{push}}"))
2365 .output()
2366 .await?;
2367 if !output.status.success() {
2368 return Ok(None);
2369 }
2370 let remote_name = String::from_utf8_lossy(&output.stdout)
2371 .split('/')
2372 .next()
2373 .map(|name| Remote {
2374 name: name.trim().to_string().into(),
2375 });
2376
2377 Ok(remote_name)
2378 })
2379 .boxed()
2380 }
2381
2382 fn get_branch_remote(&self, branch: String) -> BoxFuture<'_, Result<Option<Remote>>> {
2383 let git_binary = self.git_binary();
2384 self.executor
2385 .spawn(async move {
2386 let git = git_binary?;
2387 let output = git
2388 .build_command(["config", "--get"])
2389 .arg(format!("branch.{branch}.remote"))
2390 .output()
2391 .await?;
2392 if !output.status.success() {
2393 return Ok(None);
2394 }
2395
2396 let remote_name = String::from_utf8_lossy(&output.stdout);
2397 return Ok(Some(Remote {
2398 name: remote_name.trim().to_string().into(),
2399 }));
2400 })
2401 .boxed()
2402 }
2403
2404 fn get_all_remotes(&self) -> BoxFuture<'_, Result<Vec<Remote>>> {
2405 let git_binary = self.git_binary();
2406 self.executor
2407 .spawn(async move {
2408 let git = git_binary?;
2409 let output = git.build_command(["remote", "-v"]).output().await?;
2410
2411 anyhow::ensure!(
2412 output.status.success(),
2413 "Failed to get all remotes:\n{}",
2414 String::from_utf8_lossy(&output.stderr)
2415 );
2416 let remote_names: HashSet<Remote> = String::from_utf8_lossy(&output.stdout)
2417 .lines()
2418 .filter(|line| !line.is_empty())
2419 .filter_map(|line| {
2420 let mut split_line = line.split_whitespace();
2421 let remote_name = split_line.next()?;
2422
2423 Some(Remote {
2424 name: remote_name.trim().to_string().into(),
2425 })
2426 })
2427 .collect();
2428
2429 Ok(remote_names.into_iter().collect())
2430 })
2431 .boxed()
2432 }
2433
2434 fn remove_remote(&self, name: String) -> BoxFuture<'_, Result<()>> {
2435 let repo = self.repository.clone();
2436 self.executor
2437 .spawn(async move {
2438 let repo = repo.lock();
2439 repo.remote_delete(&name)?;
2440
2441 Ok(())
2442 })
2443 .boxed()
2444 }
2445
2446 fn create_remote(&self, name: String, url: String) -> BoxFuture<'_, Result<()>> {
2447 let repo = self.repository.clone();
2448 self.executor
2449 .spawn(async move {
2450 let repo = repo.lock();
2451 repo.remote(&name, url.as_ref())?;
2452 Ok(())
2453 })
2454 .boxed()
2455 }
2456
2457 fn check_for_pushed_commit(&self) -> BoxFuture<'_, Result<Vec<SharedString>>> {
2458 let git_binary = self.git_binary();
2459 self.executor
2460 .spawn(async move {
2461 let git = git_binary?;
2462 let git_cmd = async |args: &[&str]| -> Result<String> {
2463 let output = git.build_command(args).output().await?;
2464 anyhow::ensure!(
2465 output.status.success(),
2466 String::from_utf8_lossy(&output.stderr).to_string()
2467 );
2468 Ok(String::from_utf8(output.stdout)?)
2469 };
2470
2471 let head = git_cmd(&["rev-parse", "HEAD"])
2472 .await
2473 .context("Failed to get HEAD")?
2474 .trim()
2475 .to_owned();
2476
2477 let mut remote_branches = vec![];
2478 let mut add_if_matching = async |remote_head: &str| {
2479 if let Ok(merge_base) = git_cmd(&["merge-base", &head, remote_head]).await
2480 && merge_base.trim() == head
2481 && let Some(s) = remote_head.strip_prefix("refs/remotes/")
2482 {
2483 remote_branches.push(s.to_owned().into());
2484 }
2485 };
2486
2487 // check the main branch of each remote
2488 let remotes = git_cmd(&["remote"])
2489 .await
2490 .context("Failed to get remotes")?;
2491 for remote in remotes.lines() {
2492 if let Ok(remote_head) =
2493 git_cmd(&["symbolic-ref", &format!("refs/remotes/{remote}/HEAD")]).await
2494 {
2495 add_if_matching(remote_head.trim()).await;
2496 }
2497 }
2498
2499 // ... and the remote branch that the checked-out one is tracking
2500 if let Ok(remote_head) =
2501 git_cmd(&["rev-parse", "--symbolic-full-name", "@{u}"]).await
2502 {
2503 add_if_matching(remote_head.trim()).await;
2504 }
2505
2506 Ok(remote_branches)
2507 })
2508 .boxed()
2509 }
2510
2511 fn checkpoint(&self) -> BoxFuture<'static, Result<GitRepositoryCheckpoint>> {
2512 let git_binary = self.git_binary();
2513 self.executor
2514 .spawn(async move {
2515 let mut git = git_binary?.envs(checkpoint_author_envs());
2516 git.with_temp_index(async |git| {
2517 let head_sha = git.run(&["rev-parse", "HEAD"]).await.ok();
2518 let mut excludes = exclude_files(git).await?;
2519
2520 git.run(&["add", "--all"]).await?;
2521 let tree = git.run(&["write-tree"]).await?;
2522 let checkpoint_sha = if let Some(head_sha) = head_sha.as_deref() {
2523 git.run(&["commit-tree", &tree, "-p", head_sha, "-m", "Checkpoint"])
2524 .await?
2525 } else {
2526 git.run(&["commit-tree", &tree, "-m", "Checkpoint"]).await?
2527 };
2528
2529 excludes.restore_original().await?;
2530
2531 Ok(GitRepositoryCheckpoint {
2532 commit_sha: checkpoint_sha.parse()?,
2533 })
2534 })
2535 .await
2536 })
2537 .boxed()
2538 }
2539
2540 fn restore_checkpoint(&self, checkpoint: GitRepositoryCheckpoint) -> BoxFuture<'_, Result<()>> {
2541 let git_binary = self.git_binary();
2542 self.executor
2543 .spawn(async move {
2544 let git = git_binary?;
2545 git.run(&[
2546 "restore",
2547 "--source",
2548 &checkpoint.commit_sha.to_string(),
2549 "--worktree",
2550 ".",
2551 ])
2552 .await?;
2553
2554 // TODO: We don't track binary and large files anymore,
2555 // so the following call would delete them.
2556 // Implement an alternative way to track files added by agent.
2557 //
2558 // git.with_temp_index(async move |git| {
2559 // git.run(&["read-tree", &checkpoint.commit_sha.to_string()])
2560 // .await?;
2561 // git.run(&["clean", "-d", "--force"]).await
2562 // })
2563 // .await?;
2564
2565 Ok(())
2566 })
2567 .boxed()
2568 }
2569
2570 fn compare_checkpoints(
2571 &self,
2572 left: GitRepositoryCheckpoint,
2573 right: GitRepositoryCheckpoint,
2574 ) -> BoxFuture<'_, Result<bool>> {
2575 let git_binary = self.git_binary();
2576 self.executor
2577 .spawn(async move {
2578 let git = git_binary?;
2579 let result = git
2580 .run(&[
2581 "diff-tree",
2582 "--quiet",
2583 &left.commit_sha.to_string(),
2584 &right.commit_sha.to_string(),
2585 ])
2586 .await;
2587 match result {
2588 Ok(_) => Ok(true),
2589 Err(error) => {
2590 if let Some(GitBinaryCommandError { status, .. }) =
2591 error.downcast_ref::<GitBinaryCommandError>()
2592 && status.code() == Some(1)
2593 {
2594 return Ok(false);
2595 }
2596
2597 Err(error)
2598 }
2599 }
2600 })
2601 .boxed()
2602 }
2603
2604 fn diff_checkpoints(
2605 &self,
2606 base_checkpoint: GitRepositoryCheckpoint,
2607 target_checkpoint: GitRepositoryCheckpoint,
2608 ) -> BoxFuture<'_, Result<String>> {
2609 let git_binary = self.git_binary();
2610 self.executor
2611 .spawn(async move {
2612 let git = git_binary?;
2613 git.run(&[
2614 "diff",
2615 "--find-renames",
2616 "--patch",
2617 &base_checkpoint.commit_sha.to_string(),
2618 &target_checkpoint.commit_sha.to_string(),
2619 ])
2620 .await
2621 })
2622 .boxed()
2623 }
2624
2625 fn default_branch(
2626 &self,
2627 include_remote_name: bool,
2628 ) -> BoxFuture<'_, Result<Option<SharedString>>> {
2629 let git_binary = self.git_binary();
2630 self.executor
2631 .spawn(async move {
2632 let git = git_binary?;
2633
2634 let strip_prefix = if include_remote_name {
2635 "refs/remotes/"
2636 } else {
2637 "refs/remotes/upstream/"
2638 };
2639
2640 if let Ok(output) = git
2641 .run(&["symbolic-ref", "refs/remotes/upstream/HEAD"])
2642 .await
2643 {
2644 let output = output
2645 .strip_prefix(strip_prefix)
2646 .map(|s| SharedString::from(s.to_owned()));
2647 return Ok(output);
2648 }
2649
2650 let strip_prefix = if include_remote_name {
2651 "refs/remotes/"
2652 } else {
2653 "refs/remotes/origin/"
2654 };
2655
2656 if let Ok(output) = git.run(&["symbolic-ref", "refs/remotes/origin/HEAD"]).await {
2657 return Ok(output
2658 .strip_prefix(strip_prefix)
2659 .map(|s| SharedString::from(s.to_owned())));
2660 }
2661
2662 if let Ok(default_branch) = git.run(&["config", "init.defaultBranch"]).await {
2663 if git.run(&["rev-parse", &default_branch]).await.is_ok() {
2664 return Ok(Some(default_branch.into()));
2665 }
2666 }
2667
2668 if git.run(&["rev-parse", "master"]).await.is_ok() {
2669 return Ok(Some("master".into()));
2670 }
2671
2672 Ok(None)
2673 })
2674 .boxed()
2675 }
2676
2677 fn run_hook(
2678 &self,
2679 hook: RunHook,
2680 env: Arc<HashMap<String, String>>,
2681 ) -> BoxFuture<'_, Result<()>> {
2682 let git_binary = self.git_binary();
2683 let repository = self.repository.clone();
2684 let help_output = self.any_git_binary_help_output();
2685
2686 // Note: Do not spawn these commands on the background thread, as this causes some git hooks to hang.
2687 async move {
2688 let git = git_binary?;
2689
2690 if !git.is_trusted {
2691 bail!("Can't run git commit hooks in restrictive workspace");
2692 }
2693
2694 let working_directory = git.working_directory.clone();
2695 if !help_output
2696 .await
2697 .lines()
2698 .any(|line| line.trim().starts_with("hook "))
2699 {
2700 let hook_abs_path = repository.lock().path().join("hooks").join(hook.as_str());
2701 if hook_abs_path.is_file() {
2702 #[allow(clippy::disallowed_methods)]
2703 let output = new_command(&hook_abs_path)
2704 .envs(env.iter())
2705 .current_dir(&working_directory)
2706 .output()
2707 .await?;
2708
2709 if !output.status.success() {
2710 return Err(GitBinaryCommandError {
2711 stdout: String::from_utf8_lossy(&output.stdout).into_owned(),
2712 stderr: String::from_utf8_lossy(&output.stderr).into_owned(),
2713 status: output.status,
2714 }
2715 .into());
2716 }
2717 }
2718
2719 return Ok(());
2720 }
2721
2722 let git = git.envs(HashMap::clone(&env));
2723 git.run(&["hook", "run", "--ignore-missing", hook.as_str()])
2724 .await?;
2725 Ok(())
2726 }
2727 .boxed()
2728 }
2729
2730 fn initial_graph_data(
2731 &self,
2732 log_source: LogSource,
2733 log_order: LogOrder,
2734 request_tx: Sender<Vec<Arc<InitialGraphCommitData>>>,
2735 ) -> BoxFuture<'_, Result<()>> {
2736 let git_binary = self.git_binary();
2737
2738 async move {
2739 let git = git_binary?;
2740
2741 let mut command = git.build_command([
2742 "log",
2743 GRAPH_COMMIT_FORMAT,
2744 log_order.as_arg(),
2745 log_source.get_arg()?,
2746 ]);
2747 command.stdout(Stdio::piped());
2748 command.stderr(Stdio::null());
2749
2750 let mut child = command.spawn()?;
2751 let stdout = child.stdout.take().context("failed to get stdout")?;
2752 let mut reader = BufReader::new(stdout);
2753
2754 let mut line_buffer = String::new();
2755 let mut lines: Vec<String> = Vec::with_capacity(GRAPH_CHUNK_SIZE);
2756
2757 loop {
2758 line_buffer.clear();
2759 let bytes_read = reader.read_line(&mut line_buffer).await?;
2760
2761 if bytes_read == 0 {
2762 if !lines.is_empty() {
2763 let commits = parse_initial_graph_output(lines.iter().map(|s| s.as_str()));
2764 if request_tx.send(commits).await.is_err() {
2765 log::warn!(
2766 "initial_graph_data: receiver dropped while sending commits"
2767 );
2768 }
2769 }
2770 break;
2771 }
2772
2773 let line = line_buffer.trim_end_matches('\n').to_string();
2774 lines.push(line);
2775
2776 if lines.len() >= GRAPH_CHUNK_SIZE {
2777 let commits = parse_initial_graph_output(lines.iter().map(|s| s.as_str()));
2778 if request_tx.send(commits).await.is_err() {
2779 log::warn!("initial_graph_data: receiver dropped while streaming commits");
2780 break;
2781 }
2782 lines.clear();
2783 }
2784 }
2785
2786 child.status().await?;
2787 Ok(())
2788 }
2789 .boxed()
2790 }
2791
2792 fn commit_data_reader(&self) -> Result<CommitDataReader> {
2793 let git_binary = self.git_binary()?;
2794
2795 let (request_tx, request_rx) = smol::channel::bounded::<CommitDataRequest>(64);
2796
2797 let task = self.executor.spawn(async move {
2798 if let Err(error) = run_commit_data_reader(git_binary, request_rx).await {
2799 log::error!("commit data reader failed: {error:?}");
2800 }
2801 });
2802
2803 Ok(CommitDataReader {
2804 request_tx,
2805 _task: task,
2806 })
2807 }
2808
2809 fn set_trusted(&self, trusted: bool) {
2810 self.is_trusted
2811 .store(trusted, std::sync::atomic::Ordering::Release);
2812 }
2813
2814 fn is_trusted(&self) -> bool {
2815 self.is_trusted.load(std::sync::atomic::Ordering::Acquire)
2816 }
2817}
2818
2819async fn run_commit_data_reader(
2820 git: GitBinary,
2821 request_rx: smol::channel::Receiver<CommitDataRequest>,
2822) -> Result<()> {
2823 let mut process = git
2824 .build_command(["--no-optional-locks", "cat-file", "--batch"])
2825 .stdin(Stdio::piped())
2826 .stdout(Stdio::piped())
2827 .stderr(Stdio::piped())
2828 .spawn()
2829 .context("starting git cat-file --batch process")?;
2830
2831 let mut stdin = BufWriter::new(process.stdin.take().context("no stdin")?);
2832 let mut stdout = BufReader::new(process.stdout.take().context("no stdout")?);
2833
2834 const MAX_BATCH_SIZE: usize = 64;
2835
2836 while let Ok(first_request) = request_rx.recv().await {
2837 let mut pending_requests = vec![first_request];
2838
2839 while pending_requests.len() < MAX_BATCH_SIZE {
2840 match request_rx.try_recv() {
2841 Ok(request) => pending_requests.push(request),
2842 Err(_) => break,
2843 }
2844 }
2845
2846 for request in &pending_requests {
2847 stdin.write_all(request.sha.to_string().as_bytes()).await?;
2848 stdin.write_all(b"\n").await?;
2849 }
2850 stdin.flush().await?;
2851
2852 for request in pending_requests {
2853 let result = read_single_commit_response(&mut stdout, &request.sha).await;
2854 request.response_tx.send(result).ok();
2855 }
2856 }
2857
2858 drop(stdin);
2859 process.kill().ok();
2860
2861 Ok(())
2862}
2863
2864async fn read_single_commit_response<R: smol::io::AsyncBufRead + Unpin>(
2865 stdout: &mut R,
2866 sha: &Oid,
2867) -> Result<GraphCommitData> {
2868 let mut header_bytes = Vec::new();
2869 stdout.read_until(b'\n', &mut header_bytes).await?;
2870 let header_line = String::from_utf8_lossy(&header_bytes);
2871
2872 let parts: Vec<&str> = header_line.trim().split(' ').collect();
2873 if parts.len() < 3 {
2874 bail!("invalid cat-file header: {header_line}");
2875 }
2876
2877 let object_type = parts[1];
2878 if object_type == "missing" {
2879 bail!("object not found: {}", sha);
2880 }
2881
2882 if object_type != "commit" {
2883 bail!("expected commit object, got {object_type}");
2884 }
2885
2886 let size: usize = parts[2]
2887 .parse()
2888 .with_context(|| format!("invalid object size: {}", parts[2]))?;
2889
2890 let mut content = vec![0u8; size];
2891 stdout.read_exact(&mut content).await?;
2892
2893 let mut newline = [0u8; 1];
2894 stdout.read_exact(&mut newline).await?;
2895
2896 let content_str = String::from_utf8_lossy(&content);
2897 parse_cat_file_commit(*sha, &content_str)
2898 .ok_or_else(|| anyhow!("failed to parse commit {}", sha))
2899}
2900
2901fn parse_initial_graph_output<'a>(
2902 lines: impl Iterator<Item = &'a str>,
2903) -> Vec<Arc<InitialGraphCommitData>> {
2904 lines
2905 .filter(|line| !line.is_empty())
2906 .filter_map(|line| {
2907 // Format: "SHA\x00PARENT1 PARENT2...\x00REF1, REF2, ..."
2908 let mut parts = line.split('\x00');
2909
2910 let sha = Oid::from_str(parts.next()?).ok()?;
2911 let parents_str = parts.next()?;
2912 let parents = parents_str
2913 .split_whitespace()
2914 .filter_map(|p| Oid::from_str(p).ok())
2915 .collect();
2916
2917 let ref_names_str = parts.next().unwrap_or("");
2918 let ref_names = if ref_names_str.is_empty() {
2919 Vec::new()
2920 } else {
2921 ref_names_str
2922 .split(", ")
2923 .map(|s| SharedString::from(s.to_string()))
2924 .collect()
2925 };
2926
2927 Some(Arc::new(InitialGraphCommitData {
2928 sha,
2929 parents,
2930 ref_names,
2931 }))
2932 })
2933 .collect()
2934}
2935
2936fn git_status_args(path_prefixes: &[RepoPath]) -> Vec<OsString> {
2937 let mut args = vec![
2938 OsString::from("--no-optional-locks"),
2939 OsString::from("status"),
2940 OsString::from("--porcelain=v1"),
2941 OsString::from("--untracked-files=all"),
2942 OsString::from("--no-renames"),
2943 OsString::from("-z"),
2944 ];
2945 args.extend(
2946 path_prefixes
2947 .iter()
2948 .map(|path_prefix| path_prefix.as_std_path().into()),
2949 );
2950 args.extend(path_prefixes.iter().map(|path_prefix| {
2951 if path_prefix.is_empty() {
2952 Path::new(".").into()
2953 } else {
2954 path_prefix.as_std_path().into()
2955 }
2956 }));
2957 args
2958}
2959
2960/// Temporarily git-ignore commonly ignored files and files over 2MB
2961async fn exclude_files(git: &GitBinary) -> Result<GitExcludeOverride> {
2962 const MAX_SIZE: u64 = 2 * 1024 * 1024; // 2 MB
2963 let mut excludes = git.with_exclude_overrides().await?;
2964 excludes
2965 .add_excludes(include_str!("./checkpoint.gitignore"))
2966 .await?;
2967
2968 let working_directory = git.working_directory.clone();
2969 let untracked_files = git.list_untracked_files().await?;
2970 let excluded_paths = untracked_files.into_iter().map(|path| {
2971 let working_directory = working_directory.clone();
2972 smol::spawn(async move {
2973 let full_path = working_directory.join(path.clone());
2974 match smol::fs::metadata(&full_path).await {
2975 Ok(metadata) if metadata.is_file() && metadata.len() >= MAX_SIZE => {
2976 Some(PathBuf::from("/").join(path.clone()))
2977 }
2978 _ => None,
2979 }
2980 })
2981 });
2982
2983 let excluded_paths = futures::future::join_all(excluded_paths).await;
2984 let excluded_paths = excluded_paths.into_iter().flatten().collect::<Vec<_>>();
2985
2986 if !excluded_paths.is_empty() {
2987 let exclude_patterns = excluded_paths
2988 .into_iter()
2989 .map(|path| path.to_string_lossy().into_owned())
2990 .collect::<Vec<_>>()
2991 .join("\n");
2992 excludes.add_excludes(&exclude_patterns).await?;
2993 }
2994
2995 Ok(excludes)
2996}
2997
2998pub(crate) struct GitBinary {
2999 git_binary_path: PathBuf,
3000 working_directory: PathBuf,
3001 executor: BackgroundExecutor,
3002 index_file_path: Option<PathBuf>,
3003 envs: HashMap<String, String>,
3004 is_trusted: bool,
3005}
3006
3007impl GitBinary {
3008 pub(crate) fn new(
3009 git_binary_path: PathBuf,
3010 working_directory: PathBuf,
3011 executor: BackgroundExecutor,
3012 is_trusted: bool,
3013 ) -> Self {
3014 Self {
3015 git_binary_path,
3016 working_directory,
3017 executor,
3018 index_file_path: None,
3019 envs: HashMap::default(),
3020 is_trusted,
3021 }
3022 }
3023
3024 async fn list_untracked_files(&self) -> Result<Vec<PathBuf>> {
3025 let status_output = self
3026 .run(&["status", "--porcelain=v1", "--untracked-files=all", "-z"])
3027 .await?;
3028
3029 let paths = status_output
3030 .split('\0')
3031 .filter(|entry| entry.len() >= 3 && entry.starts_with("?? "))
3032 .map(|entry| PathBuf::from(&entry[3..]))
3033 .collect::<Vec<_>>();
3034 Ok(paths)
3035 }
3036
3037 fn envs(mut self, envs: HashMap<String, String>) -> Self {
3038 self.envs = envs;
3039 self
3040 }
3041
3042 pub async fn with_temp_index<R>(
3043 &mut self,
3044 f: impl AsyncFnOnce(&Self) -> Result<R>,
3045 ) -> Result<R> {
3046 let index_file_path = self.path_for_index_id(Uuid::new_v4());
3047
3048 let delete_temp_index = util::defer({
3049 let index_file_path = index_file_path.clone();
3050 let executor = self.executor.clone();
3051 move || {
3052 executor
3053 .spawn(async move {
3054 smol::fs::remove_file(index_file_path).await.log_err();
3055 })
3056 .detach();
3057 }
3058 });
3059
3060 // Copy the default index file so that Git doesn't have to rebuild the
3061 // whole index from scratch. This might fail if this is an empty repository.
3062 smol::fs::copy(
3063 self.working_directory.join(".git").join("index"),
3064 &index_file_path,
3065 )
3066 .await
3067 .ok();
3068
3069 self.index_file_path = Some(index_file_path.clone());
3070 let result = f(self).await;
3071 self.index_file_path = None;
3072 let result = result?;
3073
3074 smol::fs::remove_file(index_file_path).await.ok();
3075 delete_temp_index.abort();
3076
3077 Ok(result)
3078 }
3079
3080 pub async fn with_exclude_overrides(&self) -> Result<GitExcludeOverride> {
3081 let path = self
3082 .working_directory
3083 .join(".git")
3084 .join("info")
3085 .join("exclude");
3086
3087 GitExcludeOverride::new(path).await
3088 }
3089
3090 fn path_for_index_id(&self, id: Uuid) -> PathBuf {
3091 self.working_directory
3092 .join(".git")
3093 .join(format!("index-{}.tmp", id))
3094 }
3095
3096 pub async fn run<S>(&self, args: impl IntoIterator<Item = S>) -> Result<String>
3097 where
3098 S: AsRef<OsStr>,
3099 {
3100 let mut stdout = self.run_raw(args).await?;
3101 if stdout.chars().last() == Some('\n') {
3102 stdout.pop();
3103 }
3104 Ok(stdout)
3105 }
3106
3107 /// Returns the result of the command without trimming the trailing newline.
3108 pub async fn run_raw<S>(&self, args: impl IntoIterator<Item = S>) -> Result<String>
3109 where
3110 S: AsRef<OsStr>,
3111 {
3112 let mut command = self.build_command(args);
3113 let output = command.output().await?;
3114 anyhow::ensure!(
3115 output.status.success(),
3116 GitBinaryCommandError {
3117 stdout: String::from_utf8_lossy(&output.stdout).to_string(),
3118 stderr: String::from_utf8_lossy(&output.stderr).to_string(),
3119 status: output.status,
3120 }
3121 );
3122 Ok(String::from_utf8(output.stdout)?)
3123 }
3124
3125 #[allow(clippy::disallowed_methods)]
3126 pub(crate) fn build_command<S>(
3127 &self,
3128 args: impl IntoIterator<Item = S>,
3129 ) -> util::command::Command
3130 where
3131 S: AsRef<OsStr>,
3132 {
3133 let mut command = new_command(&self.git_binary_path);
3134 command.current_dir(&self.working_directory);
3135 command.args(["-c", "core.fsmonitor=false"]);
3136 if !self.is_trusted {
3137 command.args(["-c", "core.hooksPath=/dev/null"]);
3138 }
3139 command.args(args);
3140 if let Some(index_file_path) = self.index_file_path.as_ref() {
3141 command.env("GIT_INDEX_FILE", index_file_path);
3142 }
3143 command.envs(&self.envs);
3144 command
3145 }
3146}
3147
3148#[derive(Error, Debug)]
3149#[error("Git command failed:\n{stdout}{stderr}\n")]
3150struct GitBinaryCommandError {
3151 stdout: String,
3152 stderr: String,
3153 status: ExitStatus,
3154}
3155
3156async fn run_git_command(
3157 env: Arc<HashMap<String, String>>,
3158 ask_pass: AskPassDelegate,
3159 mut command: util::command::Command,
3160 executor: BackgroundExecutor,
3161) -> Result<RemoteCommandOutput> {
3162 if env.contains_key("GIT_ASKPASS") {
3163 let git_process = command.spawn()?;
3164 let output = git_process.output().await?;
3165 anyhow::ensure!(
3166 output.status.success(),
3167 "{}",
3168 String::from_utf8_lossy(&output.stderr)
3169 );
3170 Ok(RemoteCommandOutput {
3171 stdout: String::from_utf8_lossy(&output.stdout).to_string(),
3172 stderr: String::from_utf8_lossy(&output.stderr).to_string(),
3173 })
3174 } else {
3175 let ask_pass = AskPassSession::new(executor, ask_pass).await?;
3176 command
3177 .env("GIT_ASKPASS", ask_pass.script_path())
3178 .env("SSH_ASKPASS", ask_pass.script_path())
3179 .env("SSH_ASKPASS_REQUIRE", "force");
3180 let git_process = command.spawn()?;
3181
3182 run_askpass_command(ask_pass, git_process).await
3183 }
3184}
3185
3186async fn run_askpass_command(
3187 mut ask_pass: AskPassSession,
3188 git_process: util::command::Child,
3189) -> anyhow::Result<RemoteCommandOutput> {
3190 select_biased! {
3191 result = ask_pass.run().fuse() => {
3192 match result {
3193 AskPassResult::CancelledByUser => {
3194 Err(anyhow!(REMOTE_CANCELLED_BY_USER))?
3195 }
3196 AskPassResult::Timedout => {
3197 Err(anyhow!("Connecting to host timed out"))?
3198 }
3199 }
3200 }
3201 output = git_process.output().fuse() => {
3202 let output = output?;
3203 anyhow::ensure!(
3204 output.status.success(),
3205 "{}",
3206 String::from_utf8_lossy(&output.stderr)
3207 );
3208 Ok(RemoteCommandOutput {
3209 stdout: String::from_utf8_lossy(&output.stdout).to_string(),
3210 stderr: String::from_utf8_lossy(&output.stderr).to_string(),
3211 })
3212 }
3213 }
3214}
3215
3216#[derive(Clone, Ord, Hash, PartialOrd, Eq, PartialEq)]
3217pub struct RepoPath(Arc<RelPath>);
3218
3219impl std::fmt::Debug for RepoPath {
3220 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
3221 self.0.fmt(f)
3222 }
3223}
3224
3225impl RepoPath {
3226 pub fn new<S: AsRef<str> + ?Sized>(s: &S) -> Result<Self> {
3227 let rel_path = RelPath::unix(s.as_ref())?;
3228 Ok(Self::from_rel_path(rel_path))
3229 }
3230
3231 pub fn from_std_path(path: &Path, path_style: PathStyle) -> Result<Self> {
3232 let rel_path = RelPath::new(path, path_style)?;
3233 Ok(Self::from_rel_path(&rel_path))
3234 }
3235
3236 pub fn from_proto(proto: &str) -> Result<Self> {
3237 let rel_path = RelPath::from_proto(proto)?;
3238 Ok(Self(rel_path))
3239 }
3240
3241 pub fn from_rel_path(path: &RelPath) -> RepoPath {
3242 Self(Arc::from(path))
3243 }
3244
3245 pub fn as_std_path(&self) -> &Path {
3246 // git2 does not like empty paths and our RelPath infra turns `.` into ``
3247 // so undo that here
3248 if self.is_empty() {
3249 Path::new(".")
3250 } else {
3251 self.0.as_std_path()
3252 }
3253 }
3254}
3255
3256#[cfg(any(test, feature = "test-support"))]
3257pub fn repo_path<S: AsRef<str> + ?Sized>(s: &S) -> RepoPath {
3258 RepoPath(RelPath::unix(s.as_ref()).unwrap().into())
3259}
3260
3261impl AsRef<Arc<RelPath>> for RepoPath {
3262 fn as_ref(&self) -> &Arc<RelPath> {
3263 &self.0
3264 }
3265}
3266
3267impl std::ops::Deref for RepoPath {
3268 type Target = RelPath;
3269
3270 fn deref(&self) -> &Self::Target {
3271 &self.0
3272 }
3273}
3274
3275#[derive(Debug)]
3276pub struct RepoPathDescendants<'a>(pub &'a RepoPath);
3277
3278impl MapSeekTarget<RepoPath> for RepoPathDescendants<'_> {
3279 fn cmp_cursor(&self, key: &RepoPath) -> Ordering {
3280 if key.starts_with(self.0) {
3281 Ordering::Greater
3282 } else {
3283 self.0.cmp(key)
3284 }
3285 }
3286}
3287
3288fn parse_branch_input(input: &str) -> Result<Vec<Branch>> {
3289 let mut branches = Vec::new();
3290 for line in input.split('\n') {
3291 if line.is_empty() {
3292 continue;
3293 }
3294 let mut fields = line.split('\x00');
3295 let Some(head) = fields.next() else {
3296 continue;
3297 };
3298 let Some(head_sha) = fields.next().map(|f| f.to_string().into()) else {
3299 continue;
3300 };
3301 let Some(parent_sha) = fields.next().map(|f| f.to_string()) else {
3302 continue;
3303 };
3304 let Some(ref_name) = fields.next().map(|f| f.to_string().into()) else {
3305 continue;
3306 };
3307 let Some(upstream_name) = fields.next().map(|f| f.to_string()) else {
3308 continue;
3309 };
3310 let Some(upstream_tracking) = fields.next().and_then(|f| parse_upstream_track(f).ok())
3311 else {
3312 continue;
3313 };
3314 let Some(commiterdate) = fields.next().and_then(|f| f.parse::<i64>().ok()) else {
3315 continue;
3316 };
3317 let Some(author_name) = fields.next().map(|f| f.to_string().into()) else {
3318 continue;
3319 };
3320 let Some(subject) = fields.next().map(|f| f.to_string().into()) else {
3321 continue;
3322 };
3323
3324 branches.push(Branch {
3325 is_head: head == "*",
3326 ref_name,
3327 most_recent_commit: Some(CommitSummary {
3328 sha: head_sha,
3329 subject,
3330 commit_timestamp: commiterdate,
3331 author_name: author_name,
3332 has_parent: !parent_sha.is_empty(),
3333 }),
3334 upstream: if upstream_name.is_empty() {
3335 None
3336 } else {
3337 Some(Upstream {
3338 ref_name: upstream_name.into(),
3339 tracking: upstream_tracking,
3340 })
3341 },
3342 })
3343 }
3344
3345 Ok(branches)
3346}
3347
3348fn parse_upstream_track(upstream_track: &str) -> Result<UpstreamTracking> {
3349 if upstream_track.is_empty() {
3350 return Ok(UpstreamTracking::Tracked(UpstreamTrackingStatus {
3351 ahead: 0,
3352 behind: 0,
3353 }));
3354 }
3355
3356 let upstream_track = upstream_track.strip_prefix("[").context("missing [")?;
3357 let upstream_track = upstream_track.strip_suffix("]").context("missing [")?;
3358 let mut ahead: u32 = 0;
3359 let mut behind: u32 = 0;
3360 for component in upstream_track.split(", ") {
3361 if component == "gone" {
3362 return Ok(UpstreamTracking::Gone);
3363 }
3364 if let Some(ahead_num) = component.strip_prefix("ahead ") {
3365 ahead = ahead_num.parse::<u32>()?;
3366 }
3367 if let Some(behind_num) = component.strip_prefix("behind ") {
3368 behind = behind_num.parse::<u32>()?;
3369 }
3370 }
3371 Ok(UpstreamTracking::Tracked(UpstreamTrackingStatus {
3372 ahead,
3373 behind,
3374 }))
3375}
3376
3377fn checkpoint_author_envs() -> HashMap<String, String> {
3378 HashMap::from_iter([
3379 ("GIT_AUTHOR_NAME".to_string(), "Zed".to_string()),
3380 ("GIT_AUTHOR_EMAIL".to_string(), "hi@zed.dev".to_string()),
3381 ("GIT_COMMITTER_NAME".to_string(), "Zed".to_string()),
3382 ("GIT_COMMITTER_EMAIL".to_string(), "hi@zed.dev".to_string()),
3383 ])
3384}
3385
3386#[cfg(test)]
3387mod tests {
3388 use super::*;
3389 use gpui::TestAppContext;
3390
3391 fn disable_git_global_config() {
3392 unsafe {
3393 std::env::set_var("GIT_CONFIG_GLOBAL", "");
3394 std::env::set_var("GIT_CONFIG_SYSTEM", "");
3395 }
3396 }
3397
3398 #[gpui::test]
3399 async fn test_build_command_untrusted_includes_both_safety_args(cx: &mut TestAppContext) {
3400 cx.executor().allow_parking();
3401 let dir = tempfile::tempdir().unwrap();
3402 let git = GitBinary::new(
3403 PathBuf::from("git"),
3404 dir.path().to_path_buf(),
3405 cx.executor(),
3406 false,
3407 );
3408 let output = git
3409 .build_command(["version"])
3410 .output()
3411 .await
3412 .expect("git version should succeed");
3413 assert!(output.status.success());
3414
3415 let git = GitBinary::new(
3416 PathBuf::from("git"),
3417 dir.path().to_path_buf(),
3418 cx.executor(),
3419 false,
3420 );
3421 let output = git
3422 .build_command(["config", "--get", "core.fsmonitor"])
3423 .output()
3424 .await
3425 .expect("git config should run");
3426 let stdout = String::from_utf8_lossy(&output.stdout);
3427 assert_eq!(
3428 stdout.trim(),
3429 "false",
3430 "fsmonitor should be disabled for untrusted repos"
3431 );
3432
3433 git2::Repository::init(dir.path()).unwrap();
3434 let git = GitBinary::new(
3435 PathBuf::from("git"),
3436 dir.path().to_path_buf(),
3437 cx.executor(),
3438 false,
3439 );
3440 let output = git
3441 .build_command(["config", "--get", "core.hooksPath"])
3442 .output()
3443 .await
3444 .expect("git config should run");
3445 let stdout = String::from_utf8_lossy(&output.stdout);
3446 assert_eq!(
3447 stdout.trim(),
3448 "/dev/null",
3449 "hooksPath should be /dev/null for untrusted repos"
3450 );
3451 }
3452
3453 #[gpui::test]
3454 async fn test_build_command_trusted_only_disables_fsmonitor(cx: &mut TestAppContext) {
3455 cx.executor().allow_parking();
3456 let dir = tempfile::tempdir().unwrap();
3457 git2::Repository::init(dir.path()).unwrap();
3458
3459 let git = GitBinary::new(
3460 PathBuf::from("git"),
3461 dir.path().to_path_buf(),
3462 cx.executor(),
3463 true,
3464 );
3465 let output = git
3466 .build_command(["config", "--get", "core.fsmonitor"])
3467 .output()
3468 .await
3469 .expect("git config should run");
3470 let stdout = String::from_utf8_lossy(&output.stdout);
3471 assert_eq!(
3472 stdout.trim(),
3473 "false",
3474 "fsmonitor should be disabled even for trusted repos"
3475 );
3476
3477 let git = GitBinary::new(
3478 PathBuf::from("git"),
3479 dir.path().to_path_buf(),
3480 cx.executor(),
3481 true,
3482 );
3483 let output = git
3484 .build_command(["config", "--get", "core.hooksPath"])
3485 .output()
3486 .await
3487 .expect("git config should run");
3488 assert!(
3489 !output.status.success(),
3490 "hooksPath should NOT be overridden for trusted repos"
3491 );
3492 }
3493
3494 #[gpui::test]
3495 async fn test_checkpoint_basic(cx: &mut TestAppContext) {
3496 disable_git_global_config();
3497
3498 cx.executor().allow_parking();
3499
3500 let repo_dir = tempfile::tempdir().unwrap();
3501
3502 git2::Repository::init(repo_dir.path()).unwrap();
3503 let file_path = repo_dir.path().join("file");
3504 smol::fs::write(&file_path, "initial").await.unwrap();
3505
3506 let repo = RealGitRepository::new(
3507 &repo_dir.path().join(".git"),
3508 None,
3509 Some("git".into()),
3510 cx.executor(),
3511 )
3512 .unwrap();
3513
3514 repo.stage_paths(vec![repo_path("file")], Arc::new(HashMap::default()))
3515 .await
3516 .unwrap();
3517 repo.commit(
3518 "Initial commit".into(),
3519 None,
3520 CommitOptions::default(),
3521 AskPassDelegate::new(&mut cx.to_async(), |_, _, _| {}),
3522 Arc::new(checkpoint_author_envs()),
3523 )
3524 .await
3525 .unwrap();
3526
3527 smol::fs::write(&file_path, "modified before checkpoint")
3528 .await
3529 .unwrap();
3530 smol::fs::write(repo_dir.path().join("new_file_before_checkpoint"), "1")
3531 .await
3532 .unwrap();
3533 let checkpoint = repo.checkpoint().await.unwrap();
3534
3535 // Ensure the user can't see any branches after creating a checkpoint.
3536 assert_eq!(repo.branches().await.unwrap().len(), 1);
3537
3538 smol::fs::write(&file_path, "modified after checkpoint")
3539 .await
3540 .unwrap();
3541 repo.stage_paths(vec![repo_path("file")], Arc::new(HashMap::default()))
3542 .await
3543 .unwrap();
3544 repo.commit(
3545 "Commit after checkpoint".into(),
3546 None,
3547 CommitOptions::default(),
3548 AskPassDelegate::new(&mut cx.to_async(), |_, _, _| {}),
3549 Arc::new(checkpoint_author_envs()),
3550 )
3551 .await
3552 .unwrap();
3553
3554 smol::fs::remove_file(repo_dir.path().join("new_file_before_checkpoint"))
3555 .await
3556 .unwrap();
3557 smol::fs::write(repo_dir.path().join("new_file_after_checkpoint"), "2")
3558 .await
3559 .unwrap();
3560
3561 // Ensure checkpoint stays alive even after a Git GC.
3562 repo.gc().await.unwrap();
3563 repo.restore_checkpoint(checkpoint.clone()).await.unwrap();
3564
3565 assert_eq!(
3566 smol::fs::read_to_string(&file_path).await.unwrap(),
3567 "modified before checkpoint"
3568 );
3569 assert_eq!(
3570 smol::fs::read_to_string(repo_dir.path().join("new_file_before_checkpoint"))
3571 .await
3572 .unwrap(),
3573 "1"
3574 );
3575 // See TODO above
3576 // assert_eq!(
3577 // smol::fs::read_to_string(repo_dir.path().join("new_file_after_checkpoint"))
3578 // .await
3579 // .ok(),
3580 // None
3581 // );
3582 }
3583
3584 #[gpui::test]
3585 async fn test_checkpoint_empty_repo(cx: &mut TestAppContext) {
3586 disable_git_global_config();
3587
3588 cx.executor().allow_parking();
3589
3590 let repo_dir = tempfile::tempdir().unwrap();
3591 git2::Repository::init(repo_dir.path()).unwrap();
3592 let repo = RealGitRepository::new(
3593 &repo_dir.path().join(".git"),
3594 None,
3595 Some("git".into()),
3596 cx.executor(),
3597 )
3598 .unwrap();
3599
3600 smol::fs::write(repo_dir.path().join("foo"), "foo")
3601 .await
3602 .unwrap();
3603 let checkpoint_sha = repo.checkpoint().await.unwrap();
3604
3605 // Ensure the user can't see any branches after creating a checkpoint.
3606 assert_eq!(repo.branches().await.unwrap().len(), 1);
3607
3608 smol::fs::write(repo_dir.path().join("foo"), "bar")
3609 .await
3610 .unwrap();
3611 smol::fs::write(repo_dir.path().join("baz"), "qux")
3612 .await
3613 .unwrap();
3614 repo.restore_checkpoint(checkpoint_sha).await.unwrap();
3615 assert_eq!(
3616 smol::fs::read_to_string(repo_dir.path().join("foo"))
3617 .await
3618 .unwrap(),
3619 "foo"
3620 );
3621 // See TODOs above
3622 // assert_eq!(
3623 // smol::fs::read_to_string(repo_dir.path().join("baz"))
3624 // .await
3625 // .ok(),
3626 // None
3627 // );
3628 }
3629
3630 #[gpui::test]
3631 async fn test_compare_checkpoints(cx: &mut TestAppContext) {
3632 disable_git_global_config();
3633
3634 cx.executor().allow_parking();
3635
3636 let repo_dir = tempfile::tempdir().unwrap();
3637 git2::Repository::init(repo_dir.path()).unwrap();
3638 let repo = RealGitRepository::new(
3639 &repo_dir.path().join(".git"),
3640 None,
3641 Some("git".into()),
3642 cx.executor(),
3643 )
3644 .unwrap();
3645
3646 smol::fs::write(repo_dir.path().join("file1"), "content1")
3647 .await
3648 .unwrap();
3649 let checkpoint1 = repo.checkpoint().await.unwrap();
3650
3651 smol::fs::write(repo_dir.path().join("file2"), "content2")
3652 .await
3653 .unwrap();
3654 let checkpoint2 = repo.checkpoint().await.unwrap();
3655
3656 assert!(
3657 !repo
3658 .compare_checkpoints(checkpoint1, checkpoint2.clone())
3659 .await
3660 .unwrap()
3661 );
3662
3663 let checkpoint3 = repo.checkpoint().await.unwrap();
3664 assert!(
3665 repo.compare_checkpoints(checkpoint2, checkpoint3)
3666 .await
3667 .unwrap()
3668 );
3669 }
3670
3671 #[gpui::test]
3672 async fn test_checkpoint_exclude_binary_files(cx: &mut TestAppContext) {
3673 disable_git_global_config();
3674
3675 cx.executor().allow_parking();
3676
3677 let repo_dir = tempfile::tempdir().unwrap();
3678 let text_path = repo_dir.path().join("main.rs");
3679 let bin_path = repo_dir.path().join("binary.o");
3680
3681 git2::Repository::init(repo_dir.path()).unwrap();
3682
3683 smol::fs::write(&text_path, "fn main() {}").await.unwrap();
3684
3685 smol::fs::write(&bin_path, "some binary file here")
3686 .await
3687 .unwrap();
3688
3689 let repo = RealGitRepository::new(
3690 &repo_dir.path().join(".git"),
3691 None,
3692 Some("git".into()),
3693 cx.executor(),
3694 )
3695 .unwrap();
3696
3697 // initial commit
3698 repo.stage_paths(vec![repo_path("main.rs")], Arc::new(HashMap::default()))
3699 .await
3700 .unwrap();
3701 repo.commit(
3702 "Initial commit".into(),
3703 None,
3704 CommitOptions::default(),
3705 AskPassDelegate::new(&mut cx.to_async(), |_, _, _| {}),
3706 Arc::new(checkpoint_author_envs()),
3707 )
3708 .await
3709 .unwrap();
3710
3711 let checkpoint = repo.checkpoint().await.unwrap();
3712
3713 smol::fs::write(&text_path, "fn main() { println!(\"Modified\"); }")
3714 .await
3715 .unwrap();
3716 smol::fs::write(&bin_path, "Modified binary file")
3717 .await
3718 .unwrap();
3719
3720 repo.restore_checkpoint(checkpoint).await.unwrap();
3721
3722 // Text files should be restored to checkpoint state,
3723 // but binaries should not (they aren't tracked)
3724 assert_eq!(
3725 smol::fs::read_to_string(&text_path).await.unwrap(),
3726 "fn main() {}"
3727 );
3728
3729 assert_eq!(
3730 smol::fs::read_to_string(&bin_path).await.unwrap(),
3731 "Modified binary file"
3732 );
3733 }
3734
3735 #[test]
3736 fn test_branches_parsing() {
3737 // suppress "help: octal escapes are not supported, `\0` is always null"
3738 #[allow(clippy::octal_escapes)]
3739 let input = "*\0060964da10574cd9bf06463a53bf6e0769c5c45e\0\0refs/heads/zed-patches\0refs/remotes/origin/zed-patches\0\01733187470\0John Doe\0generated protobuf\n";
3740 assert_eq!(
3741 parse_branch_input(input).unwrap(),
3742 vec![Branch {
3743 is_head: true,
3744 ref_name: "refs/heads/zed-patches".into(),
3745 upstream: Some(Upstream {
3746 ref_name: "refs/remotes/origin/zed-patches".into(),
3747 tracking: UpstreamTracking::Tracked(UpstreamTrackingStatus {
3748 ahead: 0,
3749 behind: 0
3750 })
3751 }),
3752 most_recent_commit: Some(CommitSummary {
3753 sha: "060964da10574cd9bf06463a53bf6e0769c5c45e".into(),
3754 subject: "generated protobuf".into(),
3755 commit_timestamp: 1733187470,
3756 author_name: SharedString::new_static("John Doe"),
3757 has_parent: false,
3758 })
3759 }]
3760 )
3761 }
3762
3763 #[test]
3764 fn test_branches_parsing_containing_refs_with_missing_fields() {
3765 #[allow(clippy::octal_escapes)]
3766 let input = " \090012116c03db04344ab10d50348553aa94f1ea0\0refs/heads/broken\n \0eb0cae33272689bd11030822939dd2701c52f81e\0895951d681e5561478c0acdd6905e8aacdfd2249\0refs/heads/dev\0\0\01762948725\0Zed\0Add feature\n*\0895951d681e5561478c0acdd6905e8aacdfd2249\0\0refs/heads/main\0\0\01762948695\0Zed\0Initial commit\n";
3767
3768 let branches = parse_branch_input(input).unwrap();
3769 assert_eq!(branches.len(), 2);
3770 assert_eq!(
3771 branches,
3772 vec![
3773 Branch {
3774 is_head: false,
3775 ref_name: "refs/heads/dev".into(),
3776 upstream: None,
3777 most_recent_commit: Some(CommitSummary {
3778 sha: "eb0cae33272689bd11030822939dd2701c52f81e".into(),
3779 subject: "Add feature".into(),
3780 commit_timestamp: 1762948725,
3781 author_name: SharedString::new_static("Zed"),
3782 has_parent: true,
3783 })
3784 },
3785 Branch {
3786 is_head: true,
3787 ref_name: "refs/heads/main".into(),
3788 upstream: None,
3789 most_recent_commit: Some(CommitSummary {
3790 sha: "895951d681e5561478c0acdd6905e8aacdfd2249".into(),
3791 subject: "Initial commit".into(),
3792 commit_timestamp: 1762948695,
3793 author_name: SharedString::new_static("Zed"),
3794 has_parent: false,
3795 })
3796 }
3797 ]
3798 )
3799 }
3800
3801 #[test]
3802 fn test_upstream_branch_name() {
3803 let upstream = Upstream {
3804 ref_name: "refs/remotes/origin/feature/branch".into(),
3805 tracking: UpstreamTracking::Tracked(UpstreamTrackingStatus {
3806 ahead: 0,
3807 behind: 0,
3808 }),
3809 };
3810 assert_eq!(upstream.branch_name(), Some("feature/branch"));
3811
3812 let upstream = Upstream {
3813 ref_name: "refs/remotes/upstream/main".into(),
3814 tracking: UpstreamTracking::Tracked(UpstreamTrackingStatus {
3815 ahead: 0,
3816 behind: 0,
3817 }),
3818 };
3819 assert_eq!(upstream.branch_name(), Some("main"));
3820
3821 let upstream = Upstream {
3822 ref_name: "refs/heads/local".into(),
3823 tracking: UpstreamTracking::Tracked(UpstreamTrackingStatus {
3824 ahead: 0,
3825 behind: 0,
3826 }),
3827 };
3828 assert_eq!(upstream.branch_name(), None);
3829
3830 // Test case where upstream branch name differs from what might be the local branch name
3831 let upstream = Upstream {
3832 ref_name: "refs/remotes/origin/feature/git-pull-request".into(),
3833 tracking: UpstreamTracking::Tracked(UpstreamTrackingStatus {
3834 ahead: 0,
3835 behind: 0,
3836 }),
3837 };
3838 assert_eq!(upstream.branch_name(), Some("feature/git-pull-request"));
3839 }
3840
3841 #[test]
3842 fn test_parse_worktrees_from_str() {
3843 // Empty input
3844 let result = parse_worktrees_from_str("");
3845 assert!(result.is_empty());
3846
3847 // Single worktree (main)
3848 let input = "worktree /home/user/project\nHEAD abc123def\nbranch refs/heads/main\n\n";
3849 let result = parse_worktrees_from_str(input);
3850 assert_eq!(result.len(), 1);
3851 assert_eq!(result[0].path, PathBuf::from("/home/user/project"));
3852 assert_eq!(result[0].sha.as_ref(), "abc123def");
3853 assert_eq!(result[0].ref_name.as_ref(), "refs/heads/main");
3854
3855 // Multiple worktrees
3856 let input = "worktree /home/user/project\nHEAD abc123\nbranch refs/heads/main\n\n\
3857 worktree /home/user/project-wt\nHEAD def456\nbranch refs/heads/feature\n\n";
3858 let result = parse_worktrees_from_str(input);
3859 assert_eq!(result.len(), 2);
3860 assert_eq!(result[0].path, PathBuf::from("/home/user/project"));
3861 assert_eq!(result[0].ref_name.as_ref(), "refs/heads/main");
3862 assert_eq!(result[1].path, PathBuf::from("/home/user/project-wt"));
3863 assert_eq!(result[1].ref_name.as_ref(), "refs/heads/feature");
3864
3865 // Detached HEAD entry (should be skipped since ref_name won't parse)
3866 let input = "worktree /home/user/project\nHEAD abc123\nbranch refs/heads/main\n\n\
3867 worktree /home/user/detached\nHEAD def456\ndetached\n\n";
3868 let result = parse_worktrees_from_str(input);
3869 assert_eq!(result.len(), 1);
3870 assert_eq!(result[0].path, PathBuf::from("/home/user/project"));
3871
3872 // Bare repo entry (should be skipped)
3873 let input = "worktree /home/user/bare.git\nHEAD abc123\nbare\n\n\
3874 worktree /home/user/project\nHEAD def456\nbranch refs/heads/main\n\n";
3875 let result = parse_worktrees_from_str(input);
3876 assert_eq!(result.len(), 1);
3877 assert_eq!(result[0].path, PathBuf::from("/home/user/project"));
3878
3879 // Extra porcelain lines (locked, prunable) should be ignored
3880 let input = "worktree /home/user/project\nHEAD abc123\nbranch refs/heads/main\n\n\
3881 worktree /home/user/locked-wt\nHEAD def456\nbranch refs/heads/locked-branch\nlocked\n\n\
3882 worktree /home/user/prunable-wt\nHEAD 789aaa\nbranch refs/heads/prunable-branch\nprunable\n\n";
3883 let result = parse_worktrees_from_str(input);
3884 assert_eq!(result.len(), 3);
3885 assert_eq!(result[0].path, PathBuf::from("/home/user/project"));
3886 assert_eq!(result[0].ref_name.as_ref(), "refs/heads/main");
3887 assert_eq!(result[1].path, PathBuf::from("/home/user/locked-wt"));
3888 assert_eq!(result[1].ref_name.as_ref(), "refs/heads/locked-branch");
3889 assert_eq!(result[2].path, PathBuf::from("/home/user/prunable-wt"));
3890 assert_eq!(result[2].ref_name.as_ref(), "refs/heads/prunable-branch");
3891
3892 // Leading/trailing whitespace on lines should be tolerated
3893 let input =
3894 " worktree /home/user/project \n HEAD abc123 \n branch refs/heads/main \n\n";
3895 let result = parse_worktrees_from_str(input);
3896 assert_eq!(result.len(), 1);
3897 assert_eq!(result[0].path, PathBuf::from("/home/user/project"));
3898 assert_eq!(result[0].sha.as_ref(), "abc123");
3899 assert_eq!(result[0].ref_name.as_ref(), "refs/heads/main");
3900
3901 // Windows-style line endings should be handled
3902 let input = "worktree /home/user/project\r\nHEAD abc123\r\nbranch refs/heads/main\r\n\r\n";
3903 let result = parse_worktrees_from_str(input);
3904 assert_eq!(result.len(), 1);
3905 assert_eq!(result[0].path, PathBuf::from("/home/user/project"));
3906 assert_eq!(result[0].sha.as_ref(), "abc123");
3907 assert_eq!(result[0].ref_name.as_ref(), "refs/heads/main");
3908 }
3909
3910 const TEST_WORKTREE_DIRECTORIES: &[&str] =
3911 &["../worktrees", ".git/zed-worktrees", "my-worktrees/"];
3912
3913 #[gpui::test]
3914 async fn test_create_and_list_worktrees(cx: &mut TestAppContext) {
3915 disable_git_global_config();
3916 cx.executor().allow_parking();
3917
3918 for worktree_dir_setting in TEST_WORKTREE_DIRECTORIES {
3919 let repo_dir = tempfile::tempdir().unwrap();
3920 git2::Repository::init(repo_dir.path()).unwrap();
3921
3922 let repo = RealGitRepository::new(
3923 &repo_dir.path().join(".git"),
3924 None,
3925 Some("git".into()),
3926 cx.executor(),
3927 )
3928 .unwrap();
3929
3930 // Create an initial commit (required for worktrees)
3931 smol::fs::write(repo_dir.path().join("file.txt"), "content")
3932 .await
3933 .unwrap();
3934 repo.stage_paths(vec![repo_path("file.txt")], Arc::new(HashMap::default()))
3935 .await
3936 .unwrap();
3937 repo.commit(
3938 "Initial commit".into(),
3939 None,
3940 CommitOptions::default(),
3941 AskPassDelegate::new(&mut cx.to_async(), |_, _, _| {}),
3942 Arc::new(checkpoint_author_envs()),
3943 )
3944 .await
3945 .unwrap();
3946
3947 // List worktrees — should have just the main one
3948 let worktrees = repo.worktrees().await.unwrap();
3949 assert_eq!(worktrees.len(), 1);
3950 assert_eq!(
3951 worktrees[0].path.canonicalize().unwrap(),
3952 repo_dir.path().canonicalize().unwrap()
3953 );
3954
3955 // Create a new worktree
3956 repo.create_worktree(
3957 "test-branch".to_string(),
3958 resolve_worktree_directory(repo_dir.path(), worktree_dir_setting),
3959 Some("HEAD".to_string()),
3960 )
3961 .await
3962 .unwrap();
3963
3964 // List worktrees — should have two
3965 let worktrees = repo.worktrees().await.unwrap();
3966 assert_eq!(worktrees.len(), 2);
3967
3968 let expected_path =
3969 worktree_path_for_branch(repo_dir.path(), worktree_dir_setting, "test-branch");
3970 let new_worktree = worktrees
3971 .iter()
3972 .find(|w| w.branch() == "test-branch")
3973 .expect("should find worktree with test-branch");
3974 assert_eq!(
3975 new_worktree.path.canonicalize().unwrap(),
3976 expected_path.canonicalize().unwrap(),
3977 "failed for worktree_directory setting: {worktree_dir_setting:?}"
3978 );
3979
3980 // Clean up so the next iteration starts fresh
3981 repo.remove_worktree(expected_path, true).await.unwrap();
3982
3983 // Clean up the worktree base directory if it was created outside repo_dir
3984 // (e.g. for the "../worktrees" setting, it won't be inside the TempDir)
3985 let resolved_dir = resolve_worktree_directory(repo_dir.path(), worktree_dir_setting);
3986 if !resolved_dir.starts_with(repo_dir.path()) {
3987 let _ = std::fs::remove_dir_all(&resolved_dir);
3988 }
3989 }
3990 }
3991
3992 #[gpui::test]
3993 async fn test_remove_worktree(cx: &mut TestAppContext) {
3994 disable_git_global_config();
3995 cx.executor().allow_parking();
3996
3997 for worktree_dir_setting in TEST_WORKTREE_DIRECTORIES {
3998 let repo_dir = tempfile::tempdir().unwrap();
3999 git2::Repository::init(repo_dir.path()).unwrap();
4000
4001 let repo = RealGitRepository::new(
4002 &repo_dir.path().join(".git"),
4003 None,
4004 Some("git".into()),
4005 cx.executor(),
4006 )
4007 .unwrap();
4008
4009 // Create an initial commit
4010 smol::fs::write(repo_dir.path().join("file.txt"), "content")
4011 .await
4012 .unwrap();
4013 repo.stage_paths(vec![repo_path("file.txt")], Arc::new(HashMap::default()))
4014 .await
4015 .unwrap();
4016 repo.commit(
4017 "Initial commit".into(),
4018 None,
4019 CommitOptions::default(),
4020 AskPassDelegate::new(&mut cx.to_async(), |_, _, _| {}),
4021 Arc::new(checkpoint_author_envs()),
4022 )
4023 .await
4024 .unwrap();
4025
4026 // Create a worktree
4027 repo.create_worktree(
4028 "to-remove".to_string(),
4029 resolve_worktree_directory(repo_dir.path(), worktree_dir_setting),
4030 Some("HEAD".to_string()),
4031 )
4032 .await
4033 .unwrap();
4034
4035 let worktree_path =
4036 worktree_path_for_branch(repo_dir.path(), worktree_dir_setting, "to-remove");
4037 assert!(worktree_path.exists());
4038
4039 // Remove the worktree
4040 repo.remove_worktree(worktree_path.clone(), false)
4041 .await
4042 .unwrap();
4043
4044 // Verify it's gone from the list
4045 let worktrees = repo.worktrees().await.unwrap();
4046 assert_eq!(worktrees.len(), 1);
4047 assert!(
4048 worktrees.iter().all(|w| w.branch() != "to-remove"),
4049 "removed worktree should not appear in list"
4050 );
4051
4052 // Verify the directory is removed
4053 assert!(!worktree_path.exists());
4054
4055 // Clean up the worktree base directory if it was created outside repo_dir
4056 // (e.g. for the "../worktrees" setting, it won't be inside the TempDir)
4057 let resolved_dir = resolve_worktree_directory(repo_dir.path(), worktree_dir_setting);
4058 if !resolved_dir.starts_with(repo_dir.path()) {
4059 let _ = std::fs::remove_dir_all(&resolved_dir);
4060 }
4061 }
4062 }
4063
4064 #[gpui::test]
4065 async fn test_remove_worktree_force(cx: &mut TestAppContext) {
4066 disable_git_global_config();
4067 cx.executor().allow_parking();
4068
4069 for worktree_dir_setting in TEST_WORKTREE_DIRECTORIES {
4070 let repo_dir = tempfile::tempdir().unwrap();
4071 git2::Repository::init(repo_dir.path()).unwrap();
4072
4073 let repo = RealGitRepository::new(
4074 &repo_dir.path().join(".git"),
4075 None,
4076 Some("git".into()),
4077 cx.executor(),
4078 )
4079 .unwrap();
4080
4081 // Create an initial commit
4082 smol::fs::write(repo_dir.path().join("file.txt"), "content")
4083 .await
4084 .unwrap();
4085 repo.stage_paths(vec![repo_path("file.txt")], Arc::new(HashMap::default()))
4086 .await
4087 .unwrap();
4088 repo.commit(
4089 "Initial commit".into(),
4090 None,
4091 CommitOptions::default(),
4092 AskPassDelegate::new(&mut cx.to_async(), |_, _, _| {}),
4093 Arc::new(checkpoint_author_envs()),
4094 )
4095 .await
4096 .unwrap();
4097
4098 // Create a worktree
4099 repo.create_worktree(
4100 "dirty-wt".to_string(),
4101 resolve_worktree_directory(repo_dir.path(), worktree_dir_setting),
4102 Some("HEAD".to_string()),
4103 )
4104 .await
4105 .unwrap();
4106
4107 let worktree_path =
4108 worktree_path_for_branch(repo_dir.path(), worktree_dir_setting, "dirty-wt");
4109
4110 // Add uncommitted changes in the worktree
4111 smol::fs::write(worktree_path.join("dirty-file.txt"), "uncommitted")
4112 .await
4113 .unwrap();
4114
4115 // Non-force removal should fail with dirty worktree
4116 let result = repo.remove_worktree(worktree_path.clone(), false).await;
4117 assert!(
4118 result.is_err(),
4119 "non-force removal of dirty worktree should fail"
4120 );
4121
4122 // Force removal should succeed
4123 repo.remove_worktree(worktree_path.clone(), true)
4124 .await
4125 .unwrap();
4126
4127 let worktrees = repo.worktrees().await.unwrap();
4128 assert_eq!(worktrees.len(), 1);
4129 assert!(!worktree_path.exists());
4130
4131 // Clean up the worktree base directory if it was created outside repo_dir
4132 // (e.g. for the "../worktrees" setting, it won't be inside the TempDir)
4133 let resolved_dir = resolve_worktree_directory(repo_dir.path(), worktree_dir_setting);
4134 if !resolved_dir.starts_with(repo_dir.path()) {
4135 let _ = std::fs::remove_dir_all(&resolved_dir);
4136 }
4137 }
4138 }
4139
4140 #[gpui::test]
4141 async fn test_rename_worktree(cx: &mut TestAppContext) {
4142 disable_git_global_config();
4143 cx.executor().allow_parking();
4144
4145 for worktree_dir_setting in TEST_WORKTREE_DIRECTORIES {
4146 let repo_dir = tempfile::tempdir().unwrap();
4147 git2::Repository::init(repo_dir.path()).unwrap();
4148
4149 let repo = RealGitRepository::new(
4150 &repo_dir.path().join(".git"),
4151 None,
4152 Some("git".into()),
4153 cx.executor(),
4154 )
4155 .unwrap();
4156
4157 // Create an initial commit
4158 smol::fs::write(repo_dir.path().join("file.txt"), "content")
4159 .await
4160 .unwrap();
4161 repo.stage_paths(vec![repo_path("file.txt")], Arc::new(HashMap::default()))
4162 .await
4163 .unwrap();
4164 repo.commit(
4165 "Initial commit".into(),
4166 None,
4167 CommitOptions::default(),
4168 AskPassDelegate::new(&mut cx.to_async(), |_, _, _| {}),
4169 Arc::new(checkpoint_author_envs()),
4170 )
4171 .await
4172 .unwrap();
4173
4174 // Create a worktree
4175 repo.create_worktree(
4176 "old-name".to_string(),
4177 resolve_worktree_directory(repo_dir.path(), worktree_dir_setting),
4178 Some("HEAD".to_string()),
4179 )
4180 .await
4181 .unwrap();
4182
4183 let old_path =
4184 worktree_path_for_branch(repo_dir.path(), worktree_dir_setting, "old-name");
4185 assert!(old_path.exists());
4186
4187 // Move the worktree to a new path
4188 let new_path =
4189 resolve_worktree_directory(repo_dir.path(), worktree_dir_setting).join("new-name");
4190 repo.rename_worktree(old_path.clone(), new_path.clone())
4191 .await
4192 .unwrap();
4193
4194 // Verify the old path is gone and new path exists
4195 assert!(!old_path.exists());
4196 assert!(new_path.exists());
4197
4198 // Verify it shows up in worktree list at the new path
4199 let worktrees = repo.worktrees().await.unwrap();
4200 assert_eq!(worktrees.len(), 2);
4201 let moved_worktree = worktrees
4202 .iter()
4203 .find(|w| w.branch() == "old-name")
4204 .expect("should find worktree by branch name");
4205 assert_eq!(
4206 moved_worktree.path.canonicalize().unwrap(),
4207 new_path.canonicalize().unwrap()
4208 );
4209
4210 // Clean up so the next iteration starts fresh
4211 repo.remove_worktree(new_path, true).await.unwrap();
4212
4213 // Clean up the worktree base directory if it was created outside repo_dir
4214 // (e.g. for the "../worktrees" setting, it won't be inside the TempDir)
4215 let resolved_dir = resolve_worktree_directory(repo_dir.path(), worktree_dir_setting);
4216 if !resolved_dir.starts_with(repo_dir.path()) {
4217 let _ = std::fs::remove_dir_all(&resolved_dir);
4218 }
4219 }
4220 }
4221
4222 #[test]
4223 fn test_resolve_worktree_directory() {
4224 let work_dir = Path::new("/code/my-project");
4225
4226 // Sibling directory — outside project, so repo dir name is appended
4227 assert_eq!(
4228 resolve_worktree_directory(work_dir, "../worktrees"),
4229 PathBuf::from("/code/worktrees/my-project")
4230 );
4231
4232 // Git subdir — inside project, no repo name appended
4233 assert_eq!(
4234 resolve_worktree_directory(work_dir, ".git/zed-worktrees"),
4235 PathBuf::from("/code/my-project/.git/zed-worktrees")
4236 );
4237
4238 // Simple subdir — inside project, no repo name appended
4239 assert_eq!(
4240 resolve_worktree_directory(work_dir, "my-worktrees"),
4241 PathBuf::from("/code/my-project/my-worktrees")
4242 );
4243
4244 // Trailing slash is stripped
4245 assert_eq!(
4246 resolve_worktree_directory(work_dir, "../worktrees/"),
4247 PathBuf::from("/code/worktrees/my-project")
4248 );
4249 assert_eq!(
4250 resolve_worktree_directory(work_dir, "my-worktrees/"),
4251 PathBuf::from("/code/my-project/my-worktrees")
4252 );
4253
4254 // Multiple trailing slashes
4255 assert_eq!(
4256 resolve_worktree_directory(work_dir, "foo///"),
4257 PathBuf::from("/code/my-project/foo")
4258 );
4259
4260 // Trailing backslashes (Windows-style)
4261 assert_eq!(
4262 resolve_worktree_directory(work_dir, "my-worktrees\\"),
4263 PathBuf::from("/code/my-project/my-worktrees")
4264 );
4265 assert_eq!(
4266 resolve_worktree_directory(work_dir, "foo\\/\\"),
4267 PathBuf::from("/code/my-project/foo")
4268 );
4269
4270 // Empty string resolves to the working directory itself (inside)
4271 assert_eq!(
4272 resolve_worktree_directory(work_dir, ""),
4273 PathBuf::from("/code/my-project")
4274 );
4275
4276 // Just ".." — outside project, repo dir name appended
4277 assert_eq!(
4278 resolve_worktree_directory(work_dir, ".."),
4279 PathBuf::from("/code/my-project")
4280 );
4281 }
4282
4283 #[test]
4284 fn test_original_repo_path_from_common_dir() {
4285 // Normal repo: common_dir is <work_dir>/.git
4286 assert_eq!(
4287 original_repo_path_from_common_dir(Path::new("/code/zed5/.git")),
4288 PathBuf::from("/code/zed5")
4289 );
4290
4291 // Worktree: common_dir is the main repo's .git
4292 // (same result — that's the point, it always traces back to the original)
4293 assert_eq!(
4294 original_repo_path_from_common_dir(Path::new("/code/zed5/.git")),
4295 PathBuf::from("/code/zed5")
4296 );
4297
4298 // Bare repo: no .git suffix, returns as-is
4299 assert_eq!(
4300 original_repo_path_from_common_dir(Path::new("/code/zed5.git")),
4301 PathBuf::from("/code/zed5.git")
4302 );
4303
4304 // Root-level .git directory
4305 assert_eq!(
4306 original_repo_path_from_common_dir(Path::new("/.git")),
4307 PathBuf::from("/")
4308 );
4309 }
4310
4311 #[test]
4312 fn test_validate_worktree_directory() {
4313 let work_dir = Path::new("/code/my-project");
4314
4315 // Valid: sibling
4316 assert!(validate_worktree_directory(work_dir, "../worktrees").is_ok());
4317
4318 // Valid: subdirectory
4319 assert!(validate_worktree_directory(work_dir, ".git/zed-worktrees").is_ok());
4320 assert!(validate_worktree_directory(work_dir, "my-worktrees").is_ok());
4321
4322 // Invalid: just ".." would resolve back to the working directory itself
4323 let err = validate_worktree_directory(work_dir, "..").unwrap_err();
4324 assert!(err.to_string().contains("must not be \"..\""));
4325
4326 // Invalid: ".." with trailing separators
4327 let err = validate_worktree_directory(work_dir, "..\\").unwrap_err();
4328 assert!(err.to_string().contains("must not be \"..\""));
4329 let err = validate_worktree_directory(work_dir, "../").unwrap_err();
4330 assert!(err.to_string().contains("must not be \"..\""));
4331
4332 // Invalid: empty string would resolve to the working directory itself
4333 let err = validate_worktree_directory(work_dir, "").unwrap_err();
4334 assert!(err.to_string().contains("must not be empty"));
4335
4336 // Invalid: absolute path
4337 let err = validate_worktree_directory(work_dir, "/tmp/worktrees").unwrap_err();
4338 assert!(err.to_string().contains("relative path"));
4339
4340 // Invalid: "/" is absolute on Unix
4341 let err = validate_worktree_directory(work_dir, "/").unwrap_err();
4342 assert!(err.to_string().contains("relative path"));
4343
4344 // Invalid: "///" is absolute
4345 let err = validate_worktree_directory(work_dir, "///").unwrap_err();
4346 assert!(err.to_string().contains("relative path"));
4347
4348 // Invalid: escapes too far up
4349 let err = validate_worktree_directory(work_dir, "../../other-project/wt").unwrap_err();
4350 assert!(err.to_string().contains("outside"));
4351 }
4352
4353 #[test]
4354 fn test_worktree_path_for_branch() {
4355 let work_dir = Path::new("/code/my-project");
4356
4357 // Outside project — repo dir name is part of the resolved directory
4358 assert_eq!(
4359 worktree_path_for_branch(work_dir, "../worktrees", "feature/foo"),
4360 PathBuf::from("/code/worktrees/my-project/feature/foo")
4361 );
4362
4363 // Inside project — no repo dir name inserted
4364 assert_eq!(
4365 worktree_path_for_branch(work_dir, ".git/zed-worktrees", "my-branch"),
4366 PathBuf::from("/code/my-project/.git/zed-worktrees/my-branch")
4367 );
4368
4369 // Trailing slash on setting (inside project)
4370 assert_eq!(
4371 worktree_path_for_branch(work_dir, "my-worktrees/", "branch"),
4372 PathBuf::from("/code/my-project/my-worktrees/branch")
4373 );
4374 }
4375
4376 impl RealGitRepository {
4377 /// Force a Git garbage collection on the repository.
4378 fn gc(&self) -> BoxFuture<'_, Result<()>> {
4379 let working_directory = self.working_directory();
4380 let git_binary_path = self.any_git_binary_path.clone();
4381 let executor = self.executor.clone();
4382 self.executor
4383 .spawn(async move {
4384 let git_binary_path = git_binary_path.clone();
4385 let working_directory = working_directory?;
4386 let git = GitBinary::new(git_binary_path, working_directory, executor, true);
4387 git.run(&["gc", "--prune"]).await?;
4388 Ok(())
4389 })
4390 .boxed()
4391 }
4392 }
4393}