meh.nix

{
  environment.systemPackages = with pkgs; let
    ghc = ghcWithPackages (hpkgs: with hpkgs;
      [ xmonad
        xmonad-contrib
        xmonad-extras
      ]);
    system = [];
    word_editing = [];
    media = [];
    security = [];
    archiving = [];

    misc = [];
    tools = [];

    dev = [ ghc ];
    games = [];

    networking = [];
    theming = [];

    accessibility = [];
  in system
  ++ word_editing
  ++ media
  ++ security
  ++ archiving
  ++ misc
  ++ tools
  ++ dev
  ++ games
  ++ networking
  ++ theming
  ++ accessibility;
}