$ git clone -n https://src.fedoraproject.org/rpms/python-simplejson.git /var/lib/mock/f40-build-783648-133070/root/chroot_tmpdir/scmroot/python-simplejson
Cloning into '/var/lib/mock/f40-build-783648-133070/root/chroot_tmpdir/scmroot/python-simplejson'...
$ git fetch origin 6cc9d089768368688411f9e0a5558e48b0f2cc9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-simplejson
 * [new ref]         6cc9d089768368688411f9e0a5558e48b0f2cc9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cc9d08 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild