anchor.diff:  
     idea-community = buildIdea rec {
       name = "idea-community-${version}";
  -    version = "2021.1.3"; /* updated by script */
  +    version = "2021.2"; /* updated by script */
       description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
       license = lib.licenses.asl20;
       src = fetchurl {
         url = "https://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
  -      sha256 = "1phpfa9i3k7g92ankmibp53c1469ifnb12g6s8gklln7v7xxakmi"; /* updated by script */
  +      sha256 = "1zki6myy3wbr1sgp1gli263y32g75gna2r9m7baa06zvc6c7j9vw"; /* updated by script */
       };
       wmClass = "jetbrains-idea-ce";
       update-channel = "IntelliJ IDEA RELEASE";
  
positive.code: 
    goland = buildGoland rec {
      name = "goland-${version}";
      version = "2021.1.3"; /* updated by script */
      description = "Up and Coming Go IDE";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/go/${name}.tar.gz";
        sha256 = "0xy9k90v3kcm9sj48l809qn0vws4ygsxxyqwsg6y9a3r1raqgqxd"; /* updated by script */
      };
      wmClass = "jetbrains-goland";
      update-channel = "GoLand RELEASE";
  
negative.code: 
    ruby-mine = buildRubyMine rec {
      name = "ruby-mine-${version}";
      version = "2021.2"; /* updated by script */
      description = "The Most Intelligent Ruby and Rails IDE";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/ruby/RubyMine-${version}.tar.gz";
        sha256 = "169jsd34l83n1pnrhzz548yn7ch1dzxpy8xck7vlymjgrxdqciwi"; /* updated by script */
      };
      wmClass = "jetbrains-rubymine";
      update-channel = "RubyMine RELEASE";
  