$ git clone -n https://src.fedoraproject.org/rpms/bbkeys.git /var/lib/mock/f40-build-2274499-55013/root/chroot_tmpdir/scmroot/bbkeys
Cloning into '/var/lib/mock/f40-build-2274499-55013/root/chroot_tmpdir/scmroot/bbkeys'...
$ git fetch origin 0885b35c8a47bd69903a702c21e1c7f6b564096d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bbkeys
 * [new ref]         0885b35c8a47bd69903a702c21e1c7f6b564096d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0885b35 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild