$ git clone -n https://src.fedoraproject.org/rpms/R-jose.git /var/lib/mock/f40-build-2247642-53903/root/chroot_tmpdir/scmroot/R-jose
Cloning into '/var/lib/mock/f40-build-2247642-53903/root/chroot_tmpdir/scmroot/R-jose'...
$ git fetch origin 7469c1402de108c3ca0212a7edf09cdd25d8d05b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-jose
 * [new ref]         7469c1402de108c3ca0212a7edf09cdd25d8d05b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7469c14 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild