anchor.diff: +{ nixpkgs ? ../nixpkgs-wc }:
  +
   let 
   
   
  
positive.code: 
  
      tarball =
        { nixosSrc ? {path = ./.; rev = 1234;}
        , nixpkgs ? {path = ../nixpkgs-wc;}
        , officialRelease ? false
        }:
  
        with import nixpkgs.path {};
  
        releaseTools.makeSourceTarball {
          name = "nixos-tarball";
  
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
  
  