posix absolute paths start with os.path.sep,
           win32 ones start with drive (like c:\\folder)

def _is_local_repository(cls, repo):
        # type: (str) -> bool
        """
           posix absolute paths start with os.path.sep,
           win32 ones start with drive (like c:\\folder)
        """
        drive, tail = os.path.splitdrive(repo)
        return repo.startswith(os.path.sep) or bool(drive)