private static Couple<String> splitNameOfRemoteBranch(String branchName) {
    int firstSlash = branchName.indexOf('/');
    String remoteName = firstSlash > -1 ? branchName.substring(0, firstSlash) : branchName;
    String remoteBranchName = branchName.substring(firstSlash + 1);
    return Couple.of(remoteName, remoteBranchName);
  }
private static Couple<String> splitNameOfRemoteBranch(String branchName)