$ git clone -n https://src.fedoraproject.org/rpms/klettres.git /var/lib/mock/f41-build-846337-163038/root/chroot_tmpdir/scmroot/klettres
Cloning into '/var/lib/mock/f41-build-846337-163038/root/chroot_tmpdir/scmroot/klettres'...
$ git fetch origin 9f44b52e3d04fcfd18266ad6d87d66a0b0ad843a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/klettres
 * [new ref]         9f44b52e3d04fcfd18266ad6d87d66a0b0ad843a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f44b52 24.08.0