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git_backend: use file mode extensively in read_tree()

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Both filemode() and kind() are calculated from the same underlying data,
and kind() is libgit2-specific API.
This commit is contained in:
Yuya Nishihara 2023-10-30 14:44:22 +09:00
parent b3c9cab12d
commit 9bd84c55e0
1 changed files with 28 additions and 31 deletions
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59
lib/src/git_backend.rs
View file

@ -597,50 +597,47 @@ impl Backend for GitBackend {
for entry in git_tree.iter() {
let name =
str::from_utf8(entry.name_bytes()).map_err(|err| to_invalid_utf8_err(err, id))?;
let (name, value) = match entry.kind().unwrap() {
git2::ObjectType::Tree => {
let (name, value) = match entry.filemode() {
0o040000 => {
let id = TreeId::from_bytes(entry.id().as_bytes());
(name, TreeValue::Tree(id))
}
git2::ObjectType::Blob => match entry.filemode() {
0o100644 => {
let id = FileId::from_bytes(entry.id().as_bytes());
if name.ends_with(CONFLICT_SUFFIX) {
(
&name[0..name.len() - CONFLICT_SUFFIX.len()],
TreeValue::Conflict(ConflictId::from_bytes(entry.id().as_bytes())),
)
} else {
(
name,
TreeValue::File {
id,
executable: false,
},
)
}
}
0o100755 => {
let id = FileId::from_bytes(entry.id().as_bytes());
0o100644 => {
let id = FileId::from_bytes(entry.id().as_bytes());
if name.ends_with(CONFLICT_SUFFIX) {
(
&name[0..name.len() - CONFLICT_SUFFIX.len()],
TreeValue::Conflict(ConflictId::from_bytes(entry.id().as_bytes())),
)
} else {
(
name,
TreeValue::File {
id,
executable: true,
executable: false,
},
)
}
0o120000 => {
let id = SymlinkId::from_bytes(entry.id().as_bytes());
(name, TreeValue::Symlink(id))
}
mode => panic!("unexpected file mode {mode:?}"),
},
git2::ObjectType::Commit => {
}
0o100755 => {
let id = FileId::from_bytes(entry.id().as_bytes());
(
name,
TreeValue::File {
id,
executable: true,
},
)
}
0o120000 => {
let id = SymlinkId::from_bytes(entry.id().as_bytes());
(name, TreeValue::Symlink(id))
}
0o160000 => {
let id = CommitId::from_bytes(entry.id().as_bytes());
(name, TreeValue::GitSubmodule(id))
}
kind => panic!("unexpected object type {kind:?}"),
mode => panic!("unexpected file mode {mode:?}"),
};
tree.set(RepoPathComponent::from(name), value);
}