$ git clone -n https://src.fedoraproject.org/rpms/ghc-tf-random.git /var/lib/mock/f31-build-54993-28076/root/chroot_tmpdir/scmroot/ghc-tf-random
Cloning into '/var/lib/mock/f31-build-54993-28076/root/chroot_tmpdir/scmroot/ghc-tf-random'...
$ git reset --hard 2d3c71243c13bbad7866a56c3b41c16a1e4ff1c2
HEAD is now at 2d3c712 refresh to cabal-rpm-0.13