$ git clone -n https://src.fedoraproject.org/rpms/json_simple.git /var/lib/mock/f40-build-2447049-61334/root/chroot_tmpdir/scmroot/json_simple
Cloning into '/var/lib/mock/f40-build-2447049-61334/root/chroot_tmpdir/scmroot/json_simple'...
$ git fetch origin 724619aa9eff0df59967c342365c0f7577de2739:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/json_simple
 * [new ref]         724619aa9eff0df59967c342365c0f7577de2739 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 724619a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild