Function Hash

runtime/pkg/gitutil/gitcmdwrapper.go:202–211

Hash returns the commit hash for the given ref. Returns ErrRefNotFound if the ref does not resolve.

(ctx context.Context, path, ref string)

// Hash returns the commit hash for the given ref. Returns ErrRefNotFound if the ref does not resolve.
func Hash(ctx context.Context, path, ref string) (string, error) {
	out, err := Run(ctx, path, "rev-parse", "--verify", ref)
	if err != nil {
		if strings.Contains(err.Error(), "Needed a single revision") {
			return "", ErrRefNotFound
		}
		return "", err
	}
	return out, nil
}

// Run executes a git command with the specified arguments in the given path and returns its output or an error.
// If path is empty, the command runs without -C (use for commands like `clone` that take an explicit destination).