$ git clone -n https://src.fedoraproject.org/rpms/pcb-rnd.git /var/lib/mock/f40-build-1625997-24117/root/chroot_tmpdir/scmroot/pcb-rnd
Cloning into '/var/lib/mock/f40-build-1625997-24117/root/chroot_tmpdir/scmroot/pcb-rnd'...
$ git fetch origin d88db7b4f58992aae295ac95f6307e8cdb3364e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcb-rnd
 * [new ref]         d88db7b4f58992aae295ac95f6307e8cdb3364e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d88db7b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild