$ git clone -n https://src.fedoraproject.org/rpms/pcb.git /var/lib/mock/f40-build-2301117-56761/root/chroot_tmpdir/scmroot/pcb
Cloning into '/var/lib/mock/f40-build-2301117-56761/root/chroot_tmpdir/scmroot/pcb'...
$ git fetch origin cbce363d294b5ef411d7475fb56c8760219f1240:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcb
 * [new ref]         cbce363d294b5ef411d7475fb56c8760219f1240 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbce363 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild