$ git clone -n https://src.fedoraproject.org/rpms/mlmmj.git /var/lib/mock/f38-build-714305-94662/root/chroot_tmpdir/scmroot/mlmmj
Cloning into '/var/lib/mock/f38-build-714305-94662/root/chroot_tmpdir/scmroot/mlmmj'...
$ git fetch origin 6f9df3f779b3bfbe6f87a2afcb487bbe493a3b6d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mlmmj
 * [new ref]         6f9df3f779b3bfbe6f87a2afcb487bbe493a3b6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f9df3f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild