$ git clone -n https://src.fedoraproject.org/rpms/FlightGear.git /var/lib/mock/f37-build-674393-75879/root/chroot_tmpdir/scmroot/FlightGear
Cloning into '/var/lib/mock/f37-build-674393-75879/root/chroot_tmpdir/scmroot/FlightGear'...
$ git reset --hard 174246f38a0665c2e46f11f909c5c45e0b3b7d03
HEAD is now at 174246f new upstream release