$ git clone -n https://src.fedoraproject.org/rpms/make-it-quick.git /var/lib/mock/f45-build-17960-506/root/chroot_tmpdir/scmroot/make-it-quick
Cloning into '/var/lib/mock/f45-build-17960-506/root/chroot_tmpdir/scmroot/make-it-quick'...
$ git fetch origin 760255fb1d0a7159dd50a32f43fcfe69d0a5c271:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/make-it-quick
 * [new ref]         760255fb1d0a7159dd50a32f43fcfe69d0a5c271 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 760255f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild