anchor.diff:  { lib, stdenv
   , fetchFromGitHub
  +, fetchpatch
   , nix-update-script
   , pantheon
   , pkg-config
  
positive.code:     owner = "elementary";
      repo = repoName;
      rev = version;
      sha256 = "sha256-TFS29vwDkTtoFcIVAbKskyLemqW9fxE7fQkM61DpDm0=";
    };
  
    passthru = {
      updateScript = nix-update-script {
  
negative.code:     granite
      gtk3
      libgee
      libhandy
    ];
  
    meta = with lib; {
  