$ git clone -n https://src.fedoraproject.org/rpms/freemarker.git /var/lib/mock/f38-build-side-42-init-devel-744490-27658/root/chroot_tmpdir/scmroot/freemarker
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-744490-27658/root/chroot_tmpdir/scmroot/freemarker'...
$ git fetch origin b219945a6d52bc7d3660bce93a928544748a08d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freemarker
 * [new ref]         b219945a6d52bc7d3660bce93a928544748a08d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b219945 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild