$ git clone -n https://src.fedoraproject.org/rpms/klettres.git /var/lib/mock/f40-build-2525449-61810/root/chroot_tmpdir/scmroot/klettres
Cloning into '/var/lib/mock/f40-build-2525449-61810/root/chroot_tmpdir/scmroot/klettres'...
$ git fetch origin c99a8cb9eef35e4017331de1ecd9e99b903b9584:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/klettres
 * [new ref]         c99a8cb9eef35e4017331de1ecd9e99b903b9584 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c99a8cb 24.02.0