anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "elementary-calculator";
  -  version = "1.6.2";
  +  version = "1.7.0";
   
     repoName = "calculator";
   
  
positive.code:     owner = "elementary";
      repo = repoName;
      rev = version;
      sha256 = "sha256-kOQr94PAfLPv4LjY2WDdTtlbf3/tYf+NUESZ94+L41M=";
    };
  
    passthru = {
  
negative.code:     granite
      gtk3
      libgee
      libhandy
    ];
  
    postPatch = ''
  