anchor.diff:  , utillinux
   , boto
   , setuptools
  -, mock
   }:
   
   buildPythonApplication rec {
  
positive.code: 
    propagatedBuildInputs = [ boto setuptools ];
  
    meta = with lib; {
      description = "Google Compute Engine tools and services";
      homepage = "https://github.com/GoogleCloudPlatform/compute-image-packages";
  
negative.code:     rev = version;
      sha256 = "0hlzcrf6yhzan25f4wzy1vbncak9whhqzrzza026ly3sq0smmjpg";
    };
  
    postPatch = ''
      for file in $(find google_compute_engine -type f); do
  