$ git clone -n https://src.fedoraproject.org/rpms/beneath-a-steel-sky.git /var/lib/mock/f40-build-2274552-55013/root/chroot_tmpdir/scmroot/beneath-a-steel-sky
Cloning into '/var/lib/mock/f40-build-2274552-55013/root/chroot_tmpdir/scmroot/beneath-a-steel-sky'...
$ git fetch origin 68ffb2041e121cd06284a51129edd0c8274ae52c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/beneath-a-steel-sky
 * [new ref]         68ffb2041e121cd06284a51129edd0c8274ae52c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68ffb20 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild