$ git clone -n https://src.fedoraproject.org/rpms/libmikmod.git /var/lib/mock/f43-build-58996857-6570096/root/chroot_tmpdir/scmroot/libmikmod
Cloning into '/var/lib/mock/f43-build-58996857-6570096/root/chroot_tmpdir/scmroot/libmikmod'...
$ git fetch origin db8b7678d8a9386b13d1f4a433b7d8b9c9ef5594:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmikmod
 * [new ref]         db8b7678d8a9386b13d1f4a433b7d8b9c9ef5594 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db8b767 Update libmikmod to 3.3.13 (rhbz#2361200)