commit.setSign(false);
        return commit.setMessage(message).call();
    }

    @Override
    public Ref createBranch(String branchName) throws GitAPIException {
        return git.branchCreate().setName(branchName).call();
    }

    @Override
    public Ref checkout(String branchName) throws GitAPIException {
        return git.checkout().setName(branchName).call();
    }

    @Override