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Observe original Git objects consistently

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This commit is contained in:
Eric Rakestraw
2026-11-02 03:12:05 +00:00
parent aecab00ff6
commit 7e6e0cc7d1
6 changed files with 37 additions and 50 deletions
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24
internal/git/source.go
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@@ -64,7 +64,7 @@ func DiscoverRepositoryRoot(ctx context.Context, directory string) (string, bool
var stdout, stderr strings.Builder
err := process.Run(ctx, process.Invocation{
Args: []string{"git", "rev-parse", "--show-toplevel"}, Dir: directory,
Env: map[string]string{"LC_ALL": "C"}, Stdout: &stdout, Stderr: &stderr,
Env: map[string]string{"LC_ALL": "C", "GIT_NO_REPLACE_OBJECTS": "1"}, Stdout: &stdout, Stderr: &stderr,
})
if err == nil {
root, err := normalizeRepositoryRoot(stdout.String())
@@ -199,6 +199,15 @@ func CaptureHead(ctx context.Context, repositoryDir string) (string, error) {
return head, nil
}
// WorktreeStatus observes repository-wide worktree and index changes.
func WorktreeStatus(ctx context.Context, repositoryDir string) (string, error) {
status, err := run(ctx, repositoryDir, nil, "status", "--porcelain=v1", "--untracked-files=all")
if err != nil {
return "", err
}
return strings.TrimSpace(status), nil
}
// InspectTaggedSource reads the local HEAD, worktree state, and selected tag.
// Both lightweight historical tags and annotated tags are supported.
func InspectTaggedSource(ctx context.Context, repositoryDir, tag string) (TaggedSource, error) {
@@ -206,15 +215,12 @@ func InspectTaggedSource(ctx context.Context, repositoryDir, tag string) (Tagged
return TaggedSource{}, err
}
var source TaggedSource
head, err := run(ctx, repositoryDir, nil, "rev-parse", "--verify", "HEAD^{commit}")
head, err := CaptureHead(ctx, repositoryDir)
if err != nil {
return TaggedSource{}, fmt.Errorf("read checkout HEAD: %w", err)
return TaggedSource{}, err
}
source.Head = strings.TrimSpace(head)
if !validObjectID(source.Head) {
return TaggedSource{}, fmt.Errorf("Git returned an invalid checkout commit %q", source.Head)
}
status, err := run(ctx, repositoryDir, nil, "status", "--porcelain", "--untracked-files=all")
source.Head = head
status, err := WorktreeStatus(ctx, repositoryDir)
if err != nil {
return TaggedSource{}, fmt.Errorf("inspect tagged checkout state: %w", err)
}
@@ -411,7 +417,7 @@ func readLocalObjects(ctx context.Context, repositoryDir string, input io.Reader
Args: append([]string{"git"}, args...),
Dir: repositoryDir,
// Disable transports as well for Git versions predating lazy-fetch control.
Env: map[string]string{"GIT_NO_LAZY_FETCH": "1", "GIT_ALLOW_PROTOCOL": ""},
Env: map[string]string{"GIT_NO_LAZY_FETCH": "1", "GIT_ALLOW_PROTOCOL": "", "GIT_NO_REPLACE_OBJECTS": "1"},
Stdin: input,
Stdout: &stdout,
Stderr: &stderr,