$ git clone -n https://src.fedoraproject.org/rpms/ghc-MonadRandom.git /var/lib/mock/f31-build-53934-27924/root/chroot_tmpdir/scmroot/ghc-MonadRandom
Cloning into '/var/lib/mock/f31-build-53934-27924/root/chroot_tmpdir/scmroot/ghc-MonadRandom'...
$ git reset --hard b7eb91b3d4dea0aea81be094a3f4067b8e8151db
HEAD is now at b7eb91b refresh to cabal-rpm-0.13