$ git clone -n https://src.fedoraproject.org/rpms/plexus-sec-dispatcher.git /var/lib/mock/f40-build-2180610-51174/root/chroot_tmpdir/scmroot/plexus-sec-dispatcher
Cloning into '/var/lib/mock/f40-build-2180610-51174/root/chroot_tmpdir/scmroot/plexus-sec-dispatcher'...
$ git fetch origin aaed19e71c1d1498fe9780c0c8997d397b6e5d64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-sec-dispatcher
 * [new ref]         aaed19e71c1d1498fe9780c0c8997d397b6e5d64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aaed19e Get rid of module_prefix macro