$ git clone -n https://src.fedoraproject.org/rpms/OpenSceneGraph.git /var/lib/mock/f31-build-49211-27259/root/chroot_tmpdir/scmroot/OpenSceneGraph
Cloning into '/var/lib/mock/f31-build-49211-27259/root/chroot_tmpdir/scmroot/OpenSceneGraph'...
$ git reset --hard 48be4173abc0b0827c891f349227871e5eb11508
HEAD is now at 48be417 Add patch to deal with wx GL library not being included by CMake.