1871        self.release_string) = struct.unpack(self.FORMAT_STRING, data)
1897       self.release_string = get_release_string()
1925         self.flags, self.release_string))
1943                        self.release_string)
2128         header.release_string.rstrip('\0')))
2373                         release_string,  argument
2429         signing_helper_with_files, release_string,
2450                             release_string, append_to_release_string,  argument
2620     if isinstance(release_string, (str, unicode)):
2621       h.release_string = release_string
2625       h.release_string += ' ' + append_to_release_string
2789                       release_string, append_to_release_string,  argument
2926           signing_helper_with_files, release_string,
2989                           release_string, append_to_release_string,  argument
3189           signing_helper_with_files, release_string,