$ git clone -n https://src.fedoraproject.org/rpms/klettres.git /var/lib/mock/f41-build-1021944-18041/root/chroot_tmpdir/scmroot/klettres
Cloning into '/var/lib/mock/f41-build-1021944-18041/root/chroot_tmpdir/scmroot/klettres'...
$ git fetch origin b8af9bf588740ab30c6498160f49e219aeb730d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/klettres
 * [new ref]         b8af9bf588740ab30c6498160f49e219aeb730d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8af9bf 24.05.1