anchor.diff:    meta = with lib; {
       homepage = "https://www.zotero.org";
       description = "Collect, organize, cite, and share your research sources";
  -    license = licenses.agpl3;
  +    license = licenses.agpl3Only;
       platforms = platforms.linux;
  +    maintainers = with maintainers; [ i077 ];
     };
   }
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "zotero";
    version = "5.0.89";
  
    src = fetchurl {
      url = "https://download.zotero.org/client/release/${version}/Zotero-${version}_linux-x86_64.tar.bz2";
      sha256 = "18p4qnnfx9f2frk7f2nk1d7jr4cjzg9z7lfzrk7vq11qgbjdpqbl";
    };
  
    nativeBuildInputs = [ wrapGAppsHook ];
  
negative.code:       stdenv.cc.cc
      ];
  
    postPatch = ''
      sed -i '/pref("app.update.enabled", true);/c\pref("app.update.enabled", false);' defaults/preferences/prefs.js
    '';
  
  