anchor.diff:      fromGit = true;
   
       inherit storeDir stateDir confDir boehmgc;
  -
  -    stdenv = llvmPackages_6.stdenv;
     });
   
   }
  
positive.code:     inherit storeDir stateDir confDir boehmgc;
    };
  
    nixStable = callPackage common rec {
      name = "nix-2.2.2";
      src = fetchurl {
        url = "http://nixos.org/releases/nix/${name}/${name}.tar.xz";
  
negative.code: , stateDir ? "/nix/var"
  , confDir ? "/etc"
  , boehmgc
  , stdenv, llvmPackages_6
  }:
  
  let
  