in src/buildstream_plugins/sources/git.py [0:0]
def __init__(self, source, path, url, ref, *, primary=False, tags=None):
super().__init__()
self.source = source
self.path = path
self.url = url
self.ref = ref
self.tags = tags or []
self.primary = primary
self.mirror = os.path.join(source.get_mirror_directory(), utils.url_directory_name(url))