$ git clone -n https://src.fedoraproject.org/rpms/waf.git /var/lib/mock/f40-build-2428995-60604/root/chroot_tmpdir/scmroot/waf
Cloning into '/var/lib/mock/f40-build-2428995-60604/root/chroot_tmpdir/scmroot/waf'...
$ git fetch origin 121c9b6f8a4ba50197a78bfcf92f793fe8cbc258:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/waf
 * [new ref]         121c9b6f8a4ba50197a78bfcf92f793fe8cbc258 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 121c9b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild