$ git clone -n https://src.fedoraproject.org/rpms/python-streamlink.git /var/lib/mock/f40-build-2496621-61664/root/chroot_tmpdir/scmroot/python-streamlink
Cloning into '/var/lib/mock/f40-build-2496621-61664/root/chroot_tmpdir/scmroot/python-streamlink'...
$ git fetch origin e8c95da6943d7ef66e9a45b65eddc32e89dc961b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-streamlink
 * [new ref]         e8c95da6943d7ef66e9a45b65eddc32e89dc961b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8c95da Update to 6.6.2