$ git clone -n https://src.fedoraproject.org/rpms/alsa-lib.git /var/lib/mock/f41-build-side-1-3132357-39643/root/chroot_tmpdir/scmroot/alsa-lib
Cloning into '/var/lib/mock/f41-build-side-1-3132357-39643/root/chroot_tmpdir/scmroot/alsa-lib'...
$ git fetch origin 79cc9f52ede20e8621c3ab8b04a0eb9100650997:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alsa-lib
 * [new ref]         79cc9f52ede20e8621c3ab8b04a0eb9100650997 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79cc9f5 fix snd_seq_has_queue_tempo_base symbol version