localOK bool
}

func newGitRepoCached(ctx context.Context, remote string, localOK bool) (Repo, error) {
	return gitRepoCache.Do(gitCacheKey{remote, localOK}, func() (Repo, error) {
		return newGitRepo(ctx, remote, localOK)
	})
}

func newGitRepo(ctx context.Context, remote string, localOK bool) (Repo, error) {
	r := &gitRepo{remote: remote}
	if strings.Contains(remote, "://") {
		// This is a remote path.
		var err error

	branchesOnce sync.Once
	branches     map[string]bool

	fetchOnce sync.Once
	fetchErr  error
}

func newVCSRepo(ctx context.Context, vcs, remote string) (Repo, error) {
	if vcs == "git" {
		return newGitRepo(ctx, remote, false)
	}
	cmd := vcsCmds[vcs]
	if cmd == nil {
		return nil, fmt.Errorf("unknown vcs: %s %s", vcs, remote)
	}
	if !strings.Contains(remote, "://") {