def exists(self):
        """
        :return: True if this is a valid, existing remote.
            Valid remotes have an entry in the repository's configuration"""
        try:
            self.config_reader.get('url')
            return True
        except cp.NoOptionError:
            # we have the section at least ...
            return True
        except cp.NoSectionError:
            return False
:return: True if this is a valid, existing remote.
            Valid remotes have an entry in the repository's configuration