fix git repo detection on symlinks (#11732)
This commit is contained in:
parent
57ec3b7330
commit
02b6f1488a
2 changed files with 50 additions and 11 deletions
|
@ -22,18 +22,24 @@ use crate::FileChange;
|
|||
#[cfg(test)]
|
||||
mod test;
|
||||
|
||||
#[inline]
|
||||
fn get_repo_dir(file: &Path) -> Result<&Path> {
|
||||
file.parent().context("file has no parent directory")
|
||||
}
|
||||
|
||||
pub fn get_diff_base(file: &Path) -> Result<Vec<u8>> {
|
||||
debug_assert!(!file.exists() || file.is_file());
|
||||
debug_assert!(file.is_absolute());
|
||||
let file = gix::path::realpath(file).context("resolve symlinks")?;
|
||||
|
||||
// TODO cache repository lookup
|
||||
|
||||
let repo_dir = file.parent().context("file has no parent directory")?;
|
||||
let repo_dir = get_repo_dir(&file)?;
|
||||
let repo = open_repo(repo_dir)
|
||||
.context("failed to open git repo")?
|
||||
.to_thread_local();
|
||||
let head = repo.head_commit()?;
|
||||
let file_oid = find_file_in_commit(&repo, &head, file)?;
|
||||
let file_oid = find_file_in_commit(&repo, &head, &file)?;
|
||||
|
||||
let file_object = repo.find_object(file_oid)?;
|
||||
let data = file_object.detach().data;
|
||||
|
@ -56,7 +62,9 @@ pub fn get_diff_base(file: &Path) -> Result<Vec<u8>> {
|
|||
pub fn get_current_head_name(file: &Path) -> Result<Arc<ArcSwap<Box<str>>>> {
|
||||
debug_assert!(!file.exists() || file.is_file());
|
||||
debug_assert!(file.is_absolute());
|
||||
let repo_dir = file.parent().context("file has no parent directory")?;
|
||||
let file = gix::path::realpath(file).context("resolve symlinks")?;
|
||||
|
||||
let repo_dir = get_repo_dir(&file)?;
|
||||
let repo = open_repo(repo_dir)
|
||||
.context("failed to open git repo")?
|
||||
.to_thread_local();
|
||||
|
|
|
@ -98,9 +98,13 @@ fn directory() {
|
|||
assert!(git::get_diff_base(&dir).is_err());
|
||||
}
|
||||
|
||||
/// Test that `get_file_head` does not return content for a symlink.
|
||||
/// This is important to correctly cover cases where a symlink is removed and replaced by a file.
|
||||
/// If the contents of the symlink object were returned a diff between a path and the actual file would be produced (bad ui).
|
||||
/// Test that `get_diff_base` resolves symlinks so that the same diff base is
|
||||
/// used as the target file.
|
||||
///
|
||||
/// This is important to correctly cover cases where a symlink is removed and
|
||||
/// replaced by a file. If the contents of the symlink object were returned
|
||||
/// a diff between a literal file path and the actual file content would be
|
||||
/// produced (bad ui).
|
||||
#[cfg(any(unix, windows))]
|
||||
#[test]
|
||||
fn symlink() {
|
||||
|
@ -108,14 +112,41 @@ fn symlink() {
|
|||
use std::os::unix::fs::symlink;
|
||||
#[cfg(not(unix))]
|
||||
use std::os::windows::fs::symlink_file as symlink;
|
||||
|
||||
let temp_git = empty_git_repo();
|
||||
let file = temp_git.path().join("file.txt");
|
||||
let contents = b"foo".as_slice();
|
||||
File::create(&file).unwrap().write_all(contents).unwrap();
|
||||
let contents = Vec::from(b"foo");
|
||||
File::create(&file).unwrap().write_all(&contents).unwrap();
|
||||
let file_link = temp_git.path().join("file_link.txt");
|
||||
symlink("file.txt", &file_link).unwrap();
|
||||
|
||||
symlink("file.txt", &file_link).unwrap();
|
||||
create_commit(temp_git.path(), true);
|
||||
assert!(git::get_diff_base(&file_link).is_err());
|
||||
assert_eq!(git::get_diff_base(&file).unwrap(), Vec::from(contents));
|
||||
|
||||
assert_eq!(git::get_diff_base(&file_link).unwrap(), contents);
|
||||
assert_eq!(git::get_diff_base(&file).unwrap(), contents);
|
||||
}
|
||||
|
||||
/// Test that `get_diff_base` returns content when the file is a symlink to
|
||||
/// another file that is in a git repo, but the symlink itself is not.
|
||||
#[cfg(any(unix, windows))]
|
||||
#[test]
|
||||
fn symlink_to_git_repo() {
|
||||
#[cfg(unix)]
|
||||
use std::os::unix::fs::symlink;
|
||||
#[cfg(not(unix))]
|
||||
use std::os::windows::fs::symlink_file as symlink;
|
||||
|
||||
let temp_dir = tempfile::tempdir().expect("create temp dir");
|
||||
let temp_git = empty_git_repo();
|
||||
|
||||
let file = temp_git.path().join("file.txt");
|
||||
let contents = Vec::from(b"foo");
|
||||
File::create(&file).unwrap().write_all(&contents).unwrap();
|
||||
create_commit(temp_git.path(), true);
|
||||
|
||||
let file_link = temp_dir.path().join("file_link.txt");
|
||||
symlink(&file, &file_link).unwrap();
|
||||
|
||||
assert_eq!(git::get_diff_base(&file_link).unwrap(), contents);
|
||||
assert_eq!(git::get_diff_base(&file).unwrap(), contents);
|
||||
}
|
||||
|
|
Loading…
Add table
Reference in a new issue