$ git clone -n https://src.fedoraproject.org/rpms/mojo-parent.git /var/lib/mock/f38-build-side-42-init-devel-740859-27656/root/chroot_tmpdir/scmroot/mojo-parent
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-740859-27656/root/chroot_tmpdir/scmroot/mojo-parent'...
$ git fetch origin add6ca08a343f90401973f7fe7818e132b9e44df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mojo-parent
 * [new ref]         add6ca08a343f90401973f7fe7818e132b9e44df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at add6ca0 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild