1use anyhow::{bail, Context, Result};
2use chrono::DateTime;
3use std::ffi::{OsStr, OsString};
4use std::path::{Path, PathBuf};
5use std::time::Duration;
6use tokio::process::Command;
7use tracing::warn;
8
9use super::types::{BlameResult, CommitInfo};
10use crate::call;
11use crate::errors::GitCallError;
12
13const GIT_CONFIG_TIMEOUT_SECS: u64 = 20;
15
16pub(crate) fn path_from_bytes(bytes: &[u8]) -> PathBuf {
19 #[cfg(unix)]
20 {
21 use std::os::unix::ffi::OsStrExt;
22 PathBuf::from(OsStr::from_bytes(bytes))
23 }
24 #[cfg(not(unix))]
25 {
26 PathBuf::from(String::from_utf8_lossy(bytes).into_owned())
27 }
28}
29
30pub(crate) fn path_to_bytes(path: &Path) -> Vec<u8> {
32 #[cfg(unix)]
33 {
34 use std::os::unix::ffi::OsStrExt;
35 path.as_os_str().as_bytes().to_vec()
36 }
37 #[cfg(not(unix))]
38 {
39 path.to_string_lossy().replace('\\', "/").into_bytes()
40 }
41}
42
43pub async fn get_head_commit(repo_path: &Path, branch: &str) -> Result<String> {
44 let reference = format!("refs/heads/{branch}");
45 let output = Command::new("git")
46 .arg("-C")
47 .arg(repo_path)
48 .args(["rev-parse", &reference])
49 .output()
50 .await
51 .context("running git rev-parse")?;
52
53 if !output.status.success() {
54 bail!(
55 "git rev-parse failed: {}",
56 String::from_utf8_lossy(&output.stderr)
57 );
58 }
59
60 Ok(String::from_utf8_lossy(&output.stdout).trim().to_owned())
61}
62
63pub async fn reset_hard(repo_path: &Path) -> Result<()> {
65 let root = repo_path
66 .canonicalize()
67 .with_context(|| format!("resolving {}", repo_path.display()))?;
68 let mut safe_directory = OsString::from("safe.directory=");
69 safe_directory.push(&root);
70 let output = Command::new("git")
71 .arg("-c")
72 .arg(&safe_directory)
73 .args([
74 "-c",
75 "core.fsmonitor=false",
76 "-c",
77 "core.hooksPath=/dev/null",
78 ])
79 .arg("-C")
80 .arg(&root)
81 .args(["reset", "--hard", "HEAD"])
82 .output()
83 .await
84 .context("running git reset --hard")?;
85
86 if !output.status.success() {
87 bail!(
88 "git reset --hard failed: {}",
89 String::from_utf8_lossy(&output.stderr)
90 );
91 }
92 Ok(())
93}
94
95pub async fn disable_quotepath(repo_path: &Path) -> Result<(), GitCallError> {
96 let mut git_dir = OsString::from("--git-dir=");
97 git_dir.push(repo_path);
98 let mut git = Command::new("git");
99 git.arg(&git_dir)
100 .args(["config", "core.quotepath", "off"])
101 .kill_on_drop(true);
102 let after = Duration::from_secs(GIT_CONFIG_TIMEOUT_SECS);
103 tokio::time::timeout(after, call::run("config", &mut git))
104 .await
105 .map_err(|_| GitCallError::TimedOut {
106 command: "config",
107 after,
108 })??;
109 Ok(())
110}
111
112pub async fn get_last_commit_info(
113 repo_path: &Path,
114 filename: &Path,
115) -> Result<Option<CommitInfo>, GitCallError> {
116 let mut git = Command::new("git");
117 git.current_dir(repo_path)
118 .args(["log", "--max-count", "1", "--format=%H%n%ce%n%cI", "--"])
119 .arg(filename);
120 let output = call::run("log", &mut git).await?;
121 parse_last_commit(&output.stdout)
122}
123
124fn parse_last_commit(stdout: &[u8]) -> Result<Option<CommitInfo>, GitCallError> {
125 let malformed = |reason: String| GitCallError::Malformed {
126 command: "log",
127 reason,
128 };
129 let stdout = String::from_utf8_lossy(stdout);
130 let stdout = stdout.trim();
131 if stdout.is_empty() {
132 return Ok(None);
133 }
134 let mut lines = stdout.lines();
135 let (Some(sha), Some(author_email), Some(date)) = (lines.next(), lines.next(), lines.next())
136 else {
137 return Err(malformed(format!("expected three lines, got {stdout:?}")));
138 };
139 let date = DateTime::parse_from_rfc3339(date)
140 .map_err(|error| malformed(format!("committer date {date:?}: {error}")))?;
141 Ok(Some(CommitInfo {
142 sha: sha.to_owned(),
143 author_email: author_email.to_owned(),
144 date,
145 }))
146}
147
148pub async fn get_line_author(
149 repo_path: &Path,
150 filename: &Path,
151 line: usize,
152 rev: &str,
153) -> Result<Option<CommitInfo>, GitCallError> {
154 let mut git = Command::new("git");
155 git.current_dir(repo_path)
156 .args([
157 "blame",
158 "-L",
159 &format!("{line},+1"),
160 "-l",
161 "-p",
162 "-M",
163 "-C",
164 "-C",
165 rev,
166 "--",
167 ])
168 .arg(filename);
169 let output = call::run("blame", &mut git).await?;
170 parse_blame(&output.stdout)
171}
172
173fn parse_blame(stdout: &[u8]) -> Result<Option<CommitInfo>, GitCallError> {
174 let malformed = |reason: String| GitCallError::Malformed {
175 command: "blame",
176 reason,
177 };
178 let stdout = String::from_utf8_lossy(stdout);
179 if stdout.trim().is_empty() {
180 return Ok(None);
181 }
182 let mut lines = stdout.split('\n');
183 let sha = lines
184 .next()
185 .and_then(|header| header.split(' ').next())
186 .unwrap_or_default();
187 let mut author_email = "";
188 let mut committer_time = None;
189 for line in lines.take_while(|line| !line.starts_with('\t')) {
190 if let Some(value) = line.strip_prefix("author-mail <") {
191 author_email = value.split_once('>').map_or("", |(email, _)| email);
192 } else if let Some(value) = line.strip_prefix("committer-time ") {
193 committer_time = Some(value);
194 }
195 }
196 let date = match committer_time {
197 None => DateTime::UNIX_EPOCH,
198 Some(seconds) => seconds
199 .parse()
200 .ok()
201 .and_then(|seconds| DateTime::from_timestamp(seconds, 0))
202 .ok_or_else(|| malformed(format!("committer time {seconds:?}")))?,
203 };
204 Ok(Some(CommitInfo {
205 sha: sha.to_owned(),
206 author_email: author_email.to_owned(),
207 date: date.fixed_offset(),
208 }))
209}
210
211pub async fn get_modified_filenames(
212 repo_path: &Path,
213 commit_sha: &str,
214) -> Result<Vec<PathBuf>, GitCallError> {
215 let mut git = Command::new("git");
216 git.current_dir(repo_path).args([
217 "diff",
218 "--name-only",
219 "--end-of-options",
220 &format!("{commit_sha}..HEAD"),
221 ]);
222 let output = call::run("diff", &mut git).await?;
223
224 Ok(output
225 .stdout
226 .split(|byte| *byte == b'\n')
227 .filter(|line| !line.is_empty())
228 .map(path_from_bytes)
229 .collect())
230}
231
232pub async fn is_commit_in_branch(
233 repo_path: &Path,
234 branch: &str,
235 commit_sha: &str,
236) -> Result<bool, GitCallError> {
237 let mut git = Command::new("git");
238 git.current_dir(repo_path).args([
240 "merge-base",
241 "--is-ancestor",
242 "--end-of-options",
243 commit_sha,
244 &format!("refs/heads/{branch}"),
245 ]);
246 match call::run("merge-base", &mut git).await {
247 Ok(_) => Ok(true),
248 Err(GitCallError::Refused { status, .. }) if status.code() == Some(1) => Ok(false),
249 Err(error) => Err(error),
250 }
251}
252
253pub async fn show_file_at_rev(
254 repo_path: &Path,
255 rev: &str,
256 file_path: &Path,
257) -> Result<Option<String>> {
258 let mut rev_path = OsString::from(format!("{rev}:"));
259 rev_path.push(file_path);
260 let output = Command::new("git")
261 .arg("-C")
262 .arg(repo_path)
263 .arg("show")
264 .arg(&rev_path)
265 .output()
266 .await
267 .context("running git show")?;
268
269 if !output.status.success() {
270 return Ok(None);
271 }
272
273 Ok(Some(String::from_utf8_lossy(&output.stdout).to_string()))
274}
275
276#[allow(clippy::too_many_arguments)]
277pub async fn blame_reverse(
278 repo_path: &Path,
279 file_path: &Path,
280 line: usize,
281 rev_a: &str,
282 rev_b: &str,
283 enable_copy_detection: bool,
284) -> Result<Option<BlameResult>> {
285 let line_spec = format!("{line},+1");
286 let rev_range = format!("{rev_a}..{rev_b}");
287
288 let mut args: Vec<&OsStr> = vec![
289 OsStr::new("-C"),
290 repo_path.as_os_str(),
291 OsStr::new("-c"),
292 OsStr::new("core.quotepath=off"),
293 OsStr::new("blame"),
294 OsStr::new("-p"),
295 OsStr::new("-M"),
296 ];
297 if enable_copy_detection {
298 args.push(OsStr::new("-C"));
299 }
300 args.extend([
301 OsStr::new("-L"),
302 OsStr::new(&line_spec),
303 OsStr::new("--reverse"),
304 OsStr::new(&rev_range),
305 OsStr::new("--"),
306 file_path.as_os_str(),
307 ]);
308
309 let output = Command::new("git")
310 .args(&args)
311 .output()
312 .await
313 .context("running git blame --reverse")?;
314
315 if !output.status.success() {
316 warn!(
317 repo_path = %repo_path.display(),
318 file_path = %file_path.display(),
319 line,
320 rev_range = %rev_range,
321 stderr = %String::from_utf8_lossy(&output.stderr),
322 "git blame --reverse failed",
323 );
324 return Ok(None);
325 }
326
327 Ok(parse_blame_reverse_porcelain(&output.stdout))
328}
329
330fn read_octal_escape(
331 first: u8,
332 bytes: &mut std::iter::Peekable<std::iter::Copied<std::slice::Iter<'_, u8>>>,
333) -> u8 {
334 let mut code = u32::from(first.saturating_sub(b'0'));
335 for _ in 0..2 {
336 let Some(&digit @ b'0'..=b'7') = bytes.peek() else {
337 break;
338 };
339 bytes.next();
340 code = code
341 .saturating_mul(8)
342 .saturating_add(u32::from(digit.saturating_sub(b'0')));
343 }
344 u8::try_from(code).unwrap_or(b'?')
345}
346
347fn unquote_path(value: &[u8]) -> PathBuf {
348 let Some(inner) = value
349 .strip_prefix(b"\"")
350 .and_then(|rest| rest.strip_suffix(b"\""))
351 else {
352 return path_from_bytes(value);
353 };
354
355 let mut out: Vec<u8> = Vec::with_capacity(inner.len());
356 let mut bytes = inner.iter().copied().peekable();
357 while let Some(byte) = bytes.next() {
358 if byte != b'\\' {
359 out.push(byte);
360 continue;
361 }
362 match bytes.next() {
363 Some(b'n') => out.push(b'\n'),
364 Some(b't') => out.push(b'\t'),
365 Some(b'r') => out.push(b'\r'),
366 Some(b'a') => out.push(0x07),
367 Some(b'b') => out.push(0x08),
368 Some(b'f') => out.push(0x0c),
369 Some(b'v') => out.push(0x0b),
370 Some(first @ b'0'..=b'7') => out.push(read_octal_escape(first, &mut bytes)),
371 Some(other) => out.push(other),
372 None => out.push(b'\\'),
373 }
374 }
375
376 path_from_bytes(&out)
377}
378
379pub(crate) fn parse_blame_reverse_porcelain(output: &[u8]) -> Option<BlameResult> {
380 let mut rev = String::new();
381 let mut line_num: usize = 0;
382 let mut path = PathBuf::new();
383
384 for line in output.split(|byte| *byte == b'\n') {
385 if rev.is_empty() && line.len() >= 40 {
386 let header = String::from_utf8_lossy(line);
387 let parts: Vec<&str> = header.split_whitespace().collect();
388 if let Some(hash) = parts.first() {
389 (*hash).clone_into(&mut rev);
390 }
391 if let Some(ln) = parts.get(1) {
392 line_num = ln.parse().unwrap_or(0);
393 }
394 } else if let Some(val) = line.strip_prefix(b"filename ") {
395 path = unquote_path(val);
396 }
397 }
398
399 if rev.is_empty() {
400 return None;
401 }
402
403 Some(BlameResult {
404 rev,
405 line: line_num,
406 path,
407 })
408}
409
410#[cfg(test)]
411mod tests {
412 use super::*;
413
414 #[test]
415 fn a_line_author_is_read_from_the_headers_before_the_line() {
416 let output = b"\
417abc1234567890abc1234567890abc1234567890ab 1 1 1\n\
418author Test\n\
419author-mail <dev@example.com>\n\
420committer-time 1700000000\n\
421filename file.txt\n\
422\tauthor-mail <code@example.com>\n";
423
424 let info = parse_blame(output).unwrap().unwrap();
425
426 assert_eq!(info.sha, "abc1234567890abc1234567890abc1234567890ab");
427 assert_eq!(info.author_email, "dev@example.com");
428 assert_eq!(info.date.timestamp(), 1_700_000_000);
429 }
430
431 #[test]
432 fn a_blame_without_a_committer_time_is_dated_at_the_epoch() {
433 let output = b"abc 1 1 1\nauthor-mail <dev@example.com>\n\tcode\n";
434
435 let info = parse_blame(output).unwrap().unwrap();
436
437 assert_eq!(info.date, DateTime::UNIX_EPOCH.fixed_offset());
438 }
439
440 #[test]
441 fn a_blame_with_an_unreadable_committer_time_is_malformed() {
442 for time in ["", "soon", "99999999999999"] {
443 let output = format!("abc 1 1 1\ncommitter-time {time}\n\tcode\n");
444
445 assert!(matches!(
446 parse_blame(output.as_bytes()),
447 Err(GitCallError::Malformed {
448 command: "blame",
449 ..
450 })
451 ));
452 }
453 }
454
455 #[test]
456 fn an_empty_blame_has_no_line_author() {
457 assert!(parse_blame(b"").unwrap().is_none());
458 }
459
460 #[test]
461 fn test_parse_blame_reverse_porcelain_valid() {
462 let output = b"\
463abc1234567890abc1234567890abc1234567890ab 7 5 1\n\
464author Test\n\
465filename renamed.py\n";
466 let result = parse_blame_reverse_porcelain(output).unwrap();
467 assert_eq!(result.rev, "abc1234567890abc1234567890abc1234567890ab");
468 assert_eq!(result.line, 7);
469 assert_eq!(result.path, Path::new("renamed.py"));
470 }
471
472 #[test]
473 fn a_path_git_escaped_is_read_back_as_the_name_on_disk() {
474 let output = b"\
475abc1234567890abc1234567890abc1234567890ab 7 5 1\n\
476filename \"se\\303\\261al.txt\"\n";
477 let result = parse_blame_reverse_porcelain(output).unwrap();
478 assert_eq!(result.path, Path::new("seƱal.txt"));
479 }
480
481 #[test]
482 #[cfg(unix)]
483 fn a_path_that_is_not_utf8_keeps_the_bytes_it_had_on_disk() {
484 use std::os::unix::ffi::OsStrExt;
485
486 let output = b"\
487abc1234567890abc1234567890abc1234567890ab 7 5 1\n\
488filename sel\xe1l.txt\n";
489 let result = parse_blame_reverse_porcelain(output).unwrap();
490 assert_eq!(result.path.as_os_str().as_bytes(), b"sel\xe1l.txt");
491 }
492
493 #[test]
494 fn a_path_git_left_alone_is_taken_as_it_is() {
495 assert_eq!(unquote_path(b"src/main.rs"), Path::new("src/main.rs"));
496 assert_eq!(unquote_path(b"\"a\\\\b\""), Path::new("a\\b"));
497 assert_eq!(unquote_path(b"\"a\\\"b\""), Path::new("a\"b"));
498 }
499
500 #[test]
501 fn test_parse_blame_reverse_porcelain_empty() {
502 assert!(parse_blame_reverse_porcelain(b"").is_none());
503 }
504
505 fn git(repo: &Path, args: &[&str]) -> String {
506 let output = std::process::Command::new("git")
507 .arg("-C")
508 .arg(repo)
509 .args([
510 "-c",
511 "user.email=dev@fluidattacks.com",
512 "-c",
513 "user.name=dev",
514 ])
515 .args(args)
516 .output()
517 .unwrap();
518 assert!(output.status.success());
519 String::from_utf8(output.stdout).unwrap().trim().to_owned()
520 }
521
522 #[tokio::test]
523 async fn a_warning_from_git_does_not_hide_its_answer() {
524 let dir = tempfile::tempdir().unwrap();
525 std::env::set_var("GIT_CONFIG_GLOBAL", dir.path().join("gitconfig"));
526
527 let repo = dir.path().join("repo");
528 std::fs::create_dir_all(&repo).unwrap();
529 git(&repo, &["init", "-q", "-b", "main"]);
530 std::fs::write(repo.join("f.txt"), b"first").unwrap();
531 git(&repo, &["add", "-A"]);
532 git(&repo, &["commit", "-q", "-m", "first"]);
533 let first = git(&repo, &["rev-parse", "HEAD"]);
534 std::fs::write(repo.join("g.txt"), b"second").unwrap();
535 git(&repo, &["add", "-A"]);
536 git(&repo, &["commit", "-q", "-m", "second"]);
537
538 git(&repo, &["update-ref", "refs/heads/HEAD", "HEAD"]);
540 git(
541 &repo,
542 &["update-ref", &format!("refs/heads/{first}"), &first],
543 );
544
545 let last = get_last_commit_info(&repo, Path::new("f.txt"))
546 .await
547 .unwrap();
548 assert_eq!(last.map(|info| info.sha), Some(first.clone()));
549
550 let author = get_line_author(&repo, Path::new("f.txt"), 1, "HEAD")
551 .await
552 .unwrap();
553 assert_eq!(author.map(|info| info.sha), Some(first.clone()));
554
555 let modified = get_modified_filenames(&repo, &first).await.unwrap();
556 assert_eq!(modified, vec![PathBuf::from("g.txt")]);
557
558 assert!(is_commit_in_branch(&repo, "main", &first).await.unwrap());
559 }
560
561 fn two_branches(repo: &Path) -> (String, String) {
562 std::fs::create_dir_all(repo).unwrap();
563 git(repo, &["init", "-q", "-b", "main"]);
564 git(repo, &["commit", "-q", "--allow-empty", "-m", "on main"]);
565 let on_main = git(repo, &["rev-parse", "HEAD"]);
566 git(repo, &["checkout", "-q", "-b", "main-old"]);
567 git(
568 repo,
569 &["commit", "-q", "--allow-empty", "-m", "on main-old"],
570 );
571 let on_main_old = git(repo, &["rev-parse", "HEAD"]);
572 (on_main, on_main_old)
573 }
574
575 #[tokio::test]
576 async fn a_commit_is_in_the_branch_it_was_made_on_and_not_in_one_named_alike() {
577 let dir = tempfile::tempdir().unwrap();
578 let repo = dir.path().join("repo");
579 let (on_main, on_main_old) = two_branches(&repo);
580
581 assert!(is_commit_in_branch(&repo, "main", &on_main).await.unwrap());
582 assert!(!is_commit_in_branch(&repo, "main", &on_main_old)
583 .await
584 .unwrap());
585 }
586
587 #[tokio::test]
588 async fn a_commit_or_a_branch_the_repository_lacks_is_refused() {
589 let dir = tempfile::tempdir().unwrap();
590 let repo = dir.path().join("repo");
591 let (on_main, _) = two_branches(&repo);
592
593 for (branch, commit) in [("main", "0".repeat(40)), ("gone", on_main)] {
594 let outcome = is_commit_in_branch(&repo, branch, &commit).await;
595
596 assert!(matches!(
597 outcome,
598 Err(GitCallError::Refused { command: "merge-base", status, .. })
599 if status.code() == Some(128)
600 ));
601 }
602 }
603
604 #[tokio::test]
605 async fn a_diff_from_a_commit_the_repository_lacks_is_refused() {
606 let dir = tempfile::tempdir().unwrap();
607 let repo = dir.path().join("repo");
608 two_branches(&repo);
609
610 let outcome = get_modified_filenames(&repo, &"0".repeat(40)).await;
611
612 assert!(matches!(
613 outcome,
614 Err(GitCallError::Refused { command: "diff", status, .. }) if status.code() == Some(128)
615 ));
616 }
617
618 #[test]
619 fn a_last_commit_is_read_from_its_three_lines() {
620 let info = parse_last_commit(b"abc\ndev@example.com\n2024-01-01T10:00:00-05:00\n")
621 .unwrap()
622 .unwrap();
623
624 assert_eq!(info.sha, "abc");
625 assert_eq!(info.author_email, "dev@example.com");
626 assert_eq!(info.date.to_rfc3339(), "2024-01-01T10:00:00-05:00");
627 }
628
629 #[test]
630 fn a_file_without_commits_has_no_last_commit() {
631 assert!(parse_last_commit(b"").unwrap().is_none());
632 }
633
634 #[test]
635 fn a_log_that_is_cut_short_or_misdated_is_malformed() {
636 for output in [&b"abc\n"[..], &b"abc\ndev@example.com\nnot-a-date\n"[..]] {
637 assert!(matches!(
638 parse_last_commit(output),
639 Err(GitCallError::Malformed { command: "log", .. })
640 ));
641 }
642 }
643
644 #[tokio::test]
645 async fn a_log_of_a_repository_without_commits_is_refused() {
646 let dir = tempfile::tempdir().unwrap();
647 git(dir.path(), &["init", "-q", "-b", "main"]);
648
649 let outcome = get_last_commit_info(dir.path(), Path::new("f.txt")).await;
650
651 assert!(matches!(
652 outcome,
653 Err(GitCallError::Refused { command: "log", status, .. }) if status.code() == Some(128)
654 ));
655 }
656
657 #[tokio::test]
658 async fn a_commit_that_looks_like_an_option_is_not_read_as_one() {
659 let dir = tempfile::tempdir().unwrap();
660 let repo = dir.path().join("repo");
661 two_branches(&repo);
662 let leak = dir.path().join("leak");
663
664 let outcome = get_modified_filenames(&repo, &format!("--output={}", leak.display())).await;
665
666 assert!(matches!(
667 outcome,
668 Err(GitCallError::Refused { command: "diff", status, .. }) if status.code() == Some(128)
669 ));
670 assert!(!dir.path().join("leak..HEAD").exists());
671 }
672
673 #[tokio::test]
674 async fn a_modified_name_is_cut_only_at_a_newline() {
675 let dir = tempfile::tempdir().unwrap();
676 let repo = dir.path().join("repo");
677 let (on_main, _) = two_branches(&repo);
678 git(&repo, &["config", "core.quotepath", "off"]);
679 std::fs::write(repo.join("a\u{85}b.txt"), b"content").unwrap();
680 git(&repo, &["add", "-A"]);
681 git(&repo, &["commit", "-q", "-m", "next line in a name"]);
682
683 let modified = get_modified_filenames(&repo, &on_main).await.unwrap();
684
685 assert_eq!(modified, vec![PathBuf::from("a\u{85}b.txt")]);
686 }
687
688 #[tokio::test]
689 async fn a_repository_path_that_does_not_exist_does_not_start() {
690 let dir = tempfile::tempdir().unwrap();
691 let missing = dir.path().join("missing");
692
693 let in_branch = is_commit_in_branch(&missing, "main", "HEAD").await;
694 let modified = get_modified_filenames(&missing, "HEAD").await;
695 let last_commit = get_last_commit_info(&missing, Path::new("f.txt")).await;
696 let line_author = get_line_author(&missing, Path::new("f.txt"), 1, "HEAD").await;
697
698 assert!(matches!(
699 in_branch,
700 Err(GitCallError::NotStarted { source, .. }) if source.kind() == std::io::ErrorKind::NotFound
701 ));
702 assert!(matches!(
703 modified,
704 Err(GitCallError::NotStarted { source, .. }) if source.kind() == std::io::ErrorKind::NotFound
705 ));
706 assert!(matches!(
707 last_commit,
708 Err(GitCallError::NotStarted { source, .. }) if source.kind() == std::io::ErrorKind::NotFound
709 ));
710 assert!(matches!(
711 line_author,
712 Err(GitCallError::NotStarted { source, .. }) if source.kind() == std::io::ErrorKind::NotFound
713 ));
714 }
715
716 #[tokio::test]
717 async fn a_blame_at_a_revision_the_repository_lacks_is_refused() {
718 let dir = tempfile::tempdir().unwrap();
719 git(dir.path(), &["init", "-q", "-b", "main"]);
720 git(
721 dir.path(),
722 &["commit", "-q", "--allow-empty", "-m", "first"],
723 );
724
725 let outcome = get_line_author(dir.path(), Path::new("f.txt"), 1, &"0".repeat(40)).await;
726
727 assert!(matches!(
728 outcome,
729 Err(GitCallError::Refused { command: "blame", status, .. }) if status.code() == Some(128)
730 ));
731 }
732
733 #[tokio::test]
734 async fn quotepath_is_turned_off_in_the_git_dir_given() {
735 let dir = tempfile::tempdir().unwrap();
736 git(dir.path(), &["init", "-q", "-b", "main"]);
737
738 disable_quotepath(&dir.path().join(".git")).await.unwrap();
739
740 assert_eq!(git(dir.path(), &["config", "core.quotepath"]), "off");
741 }
742
743 #[tokio::test]
744 async fn quotepath_in_a_folder_that_is_not_a_git_dir_is_refused() {
745 let dir = tempfile::tempdir().unwrap();
746
747 let outcome = disable_quotepath(dir.path()).await;
748
749 assert!(matches!(
750 outcome,
751 Err(GitCallError::Refused { command: "config", status, .. }) if status.code() == Some(128)
752 ));
753 }
754}