$ git clone -n https://src.fedoraproject.org/rpms/scotch.git /var/lib/mock/f40-build-789071-135506/root/chroot_tmpdir/scmroot/scotch
Cloning into '/var/lib/mock/f40-build-789071-135506/root/chroot_tmpdir/scmroot/scotch'...
$ git fetch origin 66840a389ac7fe0b0125ae037ed35dee75b61158:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scotch
 * [new ref]         66840a389ac7fe0b0125ae037ed35dee75b61158 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66840a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild