# Pastebin 9JXYr1Vj
```
  random = pkgs.haskellPackages.callCabal2nix "random" (builtins.fetchGit {
    url = "https://github.com/idontgetoutmuch/random.git";
    rev = "4bb37cfd588996c55e62ec4f908b8ea7d99a38f6";
    ref = "interface-to-performance";
  }) { };
```