$ git clone -n https://src.fedoraproject.org/rpms/laughlin-backgrounds.git /var/lib/mock/f40-build-2364342-60368/root/chroot_tmpdir/scmroot/laughlin-backgrounds
Cloning into '/var/lib/mock/f40-build-2364342-60368/root/chroot_tmpdir/scmroot/laughlin-backgrounds'...
$ git fetch origin 324a57294f795e7dabc417c27fb10f68e17c5383:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/laughlin-backgrounds
 * [new ref]         324a57294f795e7dabc417c27fb10f68e17c5383 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 324a572 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild