anchor.diff: -{ nixosSrc ? {outPath = ./.; rev = 1234;} }:
  +{ nixosSrc ? {outPath = ./.; rev = 1234;}
  +, nixpkgs ? {outPath = <nixpkgs>; rev = 5678;}
  +}:
   
   let
   
  
positive.code:       };
  
  
      manual =
        { officialRelease ? false }:
  
  
negative.code:           (import lib/eval-config.nix {
              modules = [ { fileSystems = []; } ];
            }).options;
          revision = toString nixosSrc.rev;
        }).manual;
  
  
  