anchor.diff:  
   
       tarball =
  -      { nixosSrc ? {path = ./.; rev = 1234;}
  -      , nixpkgs ? {path = ../nixpkgs-wc;}
  +      { nixosSrc ? {outPath = ./.; rev = 1234;}
         , officialRelease ? false
         }:
   
  -      with import nixpkgs.path {};
  +      with import nixpkgs {};
   
         releaseTools.makeSourceTarball {
           name = "nixos-tarball";
  
positive.code:         iso = (import "${nixosSrc.path}/installer/cd-dvd/rescue-cd.nix" {
            platform = system;
            compressImage = true;
            nixpkgsPath = nixpkgs.path;
            relName = "nixos-${version}";
          }).rescueCD;
  
  
negative.code: 
      manual =
        { nixosSrc ? {path = ./.; rev = 1234;}
        , officialRelease ? false
        }:
  
        import "${nixosSrc.path}/doc/manual" {
          nixpkgsPath = nixpkgs.outPath;
        };
  
  
      iso = 
        { nixosSrc ? {path = ./.; rev = 1234;}
        , officialRelease ? false
        , system ? "i686-linux"
        }:
  
        with import nixpkgs {inherit system;};
  
        let
  
  