anchor.diff:          ''
             mkdir -p $out/nix-support
             echo "file iso" $iso/iso/*.iso* >> $out/nix-support/hydra-build-products
  -        ''; # */
  +        ''); # */
   
   
     makeSystemTarball =
  
positive.code:         };
  
  
    makeClosure = module: forAllSystems (system: (import ./lib/eval-config.nix {
      inherit system;
      modules = [ module ] ++ lib.singleton
        ({ config, lib, ... }:
  
negative.code: 
    forAllSystems = pkgs.lib.genAttrs supportedSystems;
  
    scrubDrv = drv: let res = { inherit (drv) drvPath outPath type name; outputName = "out"; out = res; }; in res;
  
    callTest = fn: args: forAllSystems (system: scrubDrv (import fn ({ inherit system; } // args)));
  
    pkgs = import nixpkgs { system = "x86_64-linux"; };
  
  