anchor.diff:  
     pycharm-community = buildPycharm rec {
       name = "pycharm-community-${version}";
  -    version = "2020.1.2"; /* updated by script */
  +    version = "2020.1.3"; /* updated by script */
       description = "PyCharm Community Edition";
       license = stdenv.lib.licenses.asl20;
       src = fetchurl {
         url = "https://download.jetbrains.com/python/${name}.tar.gz";
  -      sha256 = "1s04b9w7sydix1sjqzmby63nwcvzs6iw28wz7441kxgryl9qg0qw"; /* updated by script */
  +      sha256 = "1290k17nihiih8ipxfqax1xlx320h1vkwbcc5hc50psvpsfgiall"; /* updated by script */
       };
       wmClass = "jetbrains-pycharm-ce";
       update-channel = "PyCharm RELEASE";
  
positive.code: 
    webstorm = buildWebStorm rec {
      name = "webstorm-${version}";
      version = "2020.1.2"; /* updated by script */
      description = "Professional IDE for Web and JavaScript development";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/webstorm/WebStorm-${version}.tar.gz";
        sha256 = "1szgiccimfk99z9x1k99lgic6ix81fdahf1k3a88rddl8hhncjwv"; /* updated by script */
      };
      wmClass = "jetbrains-webstorm";
      update-channel = "WebStorm RELEASE";
  
negative.code: 
    idea-ultimate = buildIdea rec {
      name = "idea-ultimate-${version}";
      version = "2020.1.3"; /* updated by script */
      description = "Integrated Development Environment (IDE) by Jetbrains, requires paid license";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIU-${version}-no-jbr.tar.gz";
        sha256 = "188wkqcv67kizq4w6v4vg9jpr3qfgbg9x5jc77s4ki4nafkbfxas"; /* updated by script */
      };
      wmClass = "jetbrains-idea";
      update-channel = "IntelliJ IDEA RELEASE";
  