anchor.diff:  
     idea-ultimate = buildIdea rec {
       name = "idea-ultimate-${version}";
  -    version = "2021.1.3"; /* updated by script */
  +    version = "2021.2"; /* updated by script */
       description = "Integrated Development Environment (IDE) by Jetbrains, requires paid license";
       license = lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/idea/ideaIU-${version}-no-jbr.tar.gz";
  -      sha256 = "13c7a96zbw05w1gy4ds4wzac853hdlnbflww2xaz60jnr1k24gnp"; /* updated by script */
  +      sha256 = "0gbx1ngf8i2a0dvysw5g0ikakq4a7gghb4rjk7c99jwzwq9hckjm"; /* updated by script */
       };
       wmClass = "jetbrains-idea";
       update-channel = "IntelliJ IDEA RELEASE";
  
positive.code: 
    ruby-mine = buildRubyMine rec {
      name = "ruby-mine-${version}";
      version = "2021.1.2"; /* updated by script */
      description = "The Most Intelligent Ruby and Rails IDE";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/ruby/RubyMine-${version}.tar.gz";
        sha256 = "0r80y8y38rdxgc9sim0q2p7bmgxlp4pdxydr0w9gjikwnjxnvz51"; /* updated by script */
      };
      wmClass = "jetbrains-rubymine";
      update-channel = "RubyMine RELEASE";
  
negative.code: 
    pycharm-community = buildPycharm rec {
      name = "pycharm-community-${version}";
      version = "2021.2"; /* updated by script */
      description = "PyCharm Community Edition";
      license = lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/python/${name}.tar.gz";
        sha256 = "075lb50g853791hj8ahhi88zbp07cvfs3zrdahvvif2nd121r1mx"; /* updated by script */
      };
      wmClass = "jetbrains-pycharm-ce";
      update-channel = "PyCharm RELEASE";
  