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working_copy: ignore .git directory/file when writing tree to store

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Git doesn't want `.git` entries in its trees, so at least when using
the Git backend, we need to ignore such paths. Let's just ignore
`.git` paths regardless of backend to keep it simple.

Closes #24.
This commit is contained in:
Martin von Zweigbergk 2021-08-31 09:38:28 -07:00
parent 538bec22ff
commit ccdd651953
2 changed files with 36 additions and 1 deletions
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2
lib/src/working_copy.rs
View file

@ -333,7 +333,7 @@ impl TreeState {
let file_type = entry.file_type().unwrap();
let file_name = entry.file_name();
let name = file_name.to_str().unwrap();
if name == ".jj" {
if name == ".jj" || name == ".git" {
continue;
}
let sub_path = dir.join(&RepoPathComponent::from(name));

35
lib/tests/test_working_copy.rs
View file

@ -430,3 +430,38 @@ fn test_gitignores_ignored_directory_already_tracked(use_git: bool) {
.unwrap();
assert!(new_tree.path_value(&file_path).is_some());
}
#[test_case(false ; "local store")]
#[test_case(true ; "git store")]
fn test_dotgit_ignored(use_git: bool) {
// Tests that .git directories and files are always ignored (we could accept
// them if the backend is not git).
let _home_dir = testutils::new_user_home();
let settings = testutils::user_settings();
let (_temp_dir, repo) = testutils::init_repo(&settings, use_git);
let wc = repo.working_copy_locked();
// Test with a .git/ directory (with a file in, since we don't write empty
// trees)
let dotgit_path = repo.working_copy_path().join(".git");
std::fs::create_dir(&dotgit_path).unwrap();
testutils::write_working_copy_file(
&repo,
&RepoPath::from_internal_string(".git/file"),
"contents",
);
let locked_working_copy = wc.write_tree();
let new_tree_id = locked_working_copy.new_tree_id();
assert_eq!(new_tree_id, *repo.store().empty_tree_id());
locked_working_copy.discard();
std::fs::remove_dir_all(&dotgit_path).unwrap();
// Test with a .git file
testutils::write_working_copy_file(&repo, &RepoPath::from_internal_string(".git"), "contents");
let locked_working_copy = wc.write_tree();
let new_tree_id = locked_working_copy.new_tree_id();
assert_eq!(new_tree_id, *repo.store().empty_tree_id());
locked_working_copy.discard();
}