$ git clone -n https://src.fedoraproject.org/rpms/R-jose.git /var/lib/mock/f40-build-2340024-59688/root/chroot_tmpdir/scmroot/R-jose
Cloning into '/var/lib/mock/f40-build-2340024-59688/root/chroot_tmpdir/scmroot/R-jose'...
$ git fetch origin b07cff08e8e062ea8e49de7e008d07ed8de02fab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-jose
 * [new ref]         b07cff08e8e062ea8e49de7e008d07ed8de02fab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b07cff0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild