Runs ``pre_process``, ``handle_repo`` and ``post_process`` methods, in
        that order.

def handle(self, *args, **options):
        """
        Runs ``pre_process``, ``handle_repo`` and ``post_process`` methods, in
        that order.
        """
        self.pre_process(self.repo)
        self.handle_repo(self.repo, *args, **options)
        self.post_process(self.repo, **options)