def _get_files_recursively(rootdir):
    """Sometimes, we want to use this tool with non-git repositories.
    This function allows us to do so.
    """
    output = []
    for root, dirs, files in os.walk(rootdir):
        for filename in files:
            output.append(os.path.join(root, filename))

    return output
Sometimes, we want to use this tool with non-git repositories.
    This function allows us to do so.