default.nix

{ package ? "network-graphing", nixpkgs ? (import <nixpkgs> {}) }:
let
  overrides = nixpkgs.haskellPackages.override {
      overrides = self: super: with nixpkgs.haskell.lib;
        let build = name: path: super.callPackage (super.callCabal2nix "${name}" path {}) {}; in {
          mkDerivation = args: super.mkDerivation (args // {
            enableLibraryProfiling = true;
            enableExecutableProfiling = true;
            doCheck = false;
          });
          containers = doJailbreak (self.callPackage ./nix/containers.nix {});
          ip = doJailbreak (self.callPackage ./nix/ip.nix {});
          quickcheck-classes = doJailbreak (self.callPackage ./nix/quickcheck-classes.nix {});
          disjoint-containers = doJailbreak (self.callPackage ./nix/disjoint-containers.nix {});
          asn1-codec = self.callPackage ./nix/asn1-codec.nix {};
          network-graphing = build "network-graphing" ./.;
      };
    };
    drv = overrides.${package};

in 
  if nixpkgs.lib.inNixShell then
    drv.env
  else
    drv