$ git clone -n https://src.fedoraproject.org/rpms/FlightGear-Atlas.git /var/lib/mock/f31-build-48500-27132/root/thebuilddir/tmp/scmroot/FlightGear-Atlas
Cloning into '/var/lib/mock/f31-build-48500-27132/root/thebuilddir/tmp/scmroot/FlightGear-Atlas'...
$ git reset --hard 026744db064af75dc57bc8131f493573a69481f0
HEAD is now at 026744d rebuild with newer SimGear