config.nix for vivid

config.nix

{
  packageOverrides = pkgs : rec {

  haskellngPackages = pkgs.haskellngPackages.override {
        overrides = self: super: rec {
          vividNew = self.callPackage ./haskell/vivid-0.1.0.3.nix {};
        };
  };

  ihaskell-with-packages = pkgs.callPackage ./haskell/ng-wrapper.nix {
    inherit (pkgs.pythonPackages) ipython;
    inherit (haskellngPackages) ihaskell ghcWithPackages;
    packages = pkgs: with pkgs; [cabal-install hoogle  vividNew]; 
  };

};

}