$ git clone -n https://src.fedoraproject.org/rpms/ghc-OpenGL.git /var/lib/mock/f40-build-743037-111037/root/chroot_tmpdir/scmroot/ghc-OpenGL
Cloning into '/var/lib/mock/f40-build-743037-111037/root/chroot_tmpdir/scmroot/ghc-OpenGL'...
$ git reset --hard 694011fb341f9deee22d84313980671879ae86af
HEAD is now at 694011f bump release