git: file content at ref

Changes

1 changed files (+19/-0)

• git/git.go
  • @@ -64,6 +64,25 @@
    return files, nil } + func FileContentAtRef(r *git.Repository, hash plumbing.Hash, path string) (string, error) { + c, err := r.CommitObject(hash) + if err != nil { + return "", fmt.Errorf("commit object: %w", err) + } + + tree, err := c.Tree() + if err != nil { + return "", fmt.Errorf("file tree: %w", err) + } + + file, err := tree.File(path) + if err != nil { + return "", err + } + + return file.Contents() + } + func makeNiceTree(es []object.TreeEntry) []NiceTree { nts := []NiceTree{} for _, e := range es {