$ git clone -n https://src.fedoraproject.org/rpms/supermin.git /var/lib/mock/f45-build-36714-707/root/chroot_tmpdir/scmroot/supermin
Cloning into '/var/lib/mock/f45-build-36714-707/root/chroot_tmpdir/scmroot/supermin'...
$ git fetch origin 5174d769964ed192350aea01d35c88a989d73677:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/supermin
 * [new ref]         5174d769964ed192350aea01d35c88a989d73677 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5174d76 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild