$ git clone -n https://src.fedoraproject.org/rpms/libratbag.git /var/lib/mock/f45-build-16840-491/root/chroot_tmpdir/scmroot/libratbag
Cloning into '/var/lib/mock/f45-build-16840-491/root/chroot_tmpdir/scmroot/libratbag'...
$ git fetch origin 9997bbdc6411c9093ffcb311c156c8333fab50a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libratbag
 * [new ref]         9997bbdc6411c9093ffcb311c156c8333fab50a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9997bbd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild