$ git clone -n https://src.fedoraproject.org/rpms/lua-json.git /var/lib/mock/f40-build-2609113-63769/root/chroot_tmpdir/scmroot/lua-json
Cloning into '/var/lib/mock/f40-build-2609113-63769/root/chroot_tmpdir/scmroot/lua-json'...
$ git fetch origin 89c55d6499ee157f29ce511b507c19986156ba7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-json
 * [new ref]         89c55d6499ee157f29ce511b507c19986156ba7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89c55d6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild