{ pkgs ? (import <nixpkgs> {})
}:

pkgs.stdenv.mkDerivation {
  name = "uni-env";
  buildInputs = [ pkgs.haskellPackages.pandoc
                  pkgs.gup
                  pkgs.jdk
                  pkgs.zip
                  pkgs.strace
                  pkgs.gcc
                  (pkgs.callPackage ./mars.nix {})
                  pkgs.sqlite
                  (pkgs.haskellPackages.ghcWithPackages (p:
                    with p; [ yesod
                            ]))
                ];
}