def graph(self):
        """
        Prints a graph of the git log.

        This is used for testing and debugging only.
        """
        sys.stdout.write(Git(self.repodir).execute(
            ['git', 'log', '--graph', '--oneline']))

        Prints a graph of the git log.

        This is used for testing and debugging only.
        
src/gitsweep/tests/testcases.py