return configureTransport(Git.lsRemoteRepository()).setRemote(normalizeUri(gitSpec.getUrl())).setTags(tags).setHeads(heads).call();
        } catch (URISyntaxException | GitAPIException e) {
            throw wrapGitCommandException("ls-remote", gitSpec.getUrl(), null, e);
        }
    }

    private static void cloneRepo(File workingDir, GitVersionControlSpec gitSpec, VersionRef ref) {
        Git git = null;
        try {