67
67
m = CHANGESET_OLD_HEADER_RE.match(line)
69
69
version = m.group('version')
71
71
'old format bundles not supported')
74
74
raise errors.NotABundle('Did not find an opening header')
77
77
if version not in _serializers:
79
79
'version not listed in known versions')
81
81
serializer = _serializers[version](version)