anchor.diff:  
     pycharm-community = buildPycharm rec {
       name = "pycharm-community-${version}";
  -    version = "2017.3"; /* updated by script */
  +    version = "2017.3.2"; /* updated by script */
       description = "PyCharm Community Edition";
       license = stdenv.lib.licenses.asl20;
       src = fetchurl {
         url = "https://download.jetbrains.com/python/${name}.tar.gz";
  -      sha256 = "1lca3g5h716l97pkqfb8i7apsnx445xzcc9j41d0y3yyncf5hwxr"; /* updated by script */
  +      sha256 = "1xp4hva2wj2r3haqwmji4vpg6xm9fsx2xihslwmq89vfrbzybyq6"; /* updated by script */
       };
       wmClass = "jetbrains-pycharm-ce";
       update-channel = "PyCharm_Release";
  
positive.code: 
    idea-ultimate = buildIdea rec {
      name = "idea-ultimate-${version}";
      version = "2017.3"; /* updated by script */
      description = "Integrated Development Environment (IDE) by Jetbrains, requires paid license";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIU-${version}-no-jdk.tar.gz";
        sha256 = "0w9ihi6vzgfiav2qia7d7vrn14k8v56npir0dyx7ii8an887s7ws"; /* updated by script */
      };
      wmClass = "jetbrains-idea";
      update-channel = "IDEA_Release";
  
negative.code: 
    clion = buildClion rec {
      name = "clion-${version}";
      version = "2017.3.1"; /* updated by script */
      description  = "C/C++ IDE. New. Intelligent. Cross-platform";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
        sha256 = "19pb78s5pa5ywifi1azs8gpg0a65c9n3yiqng348a7s27azkw01z"; /* updated by script */
      };
      wmClass = "jetbrains-clion";
      update-channel = "CLion_Release"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
  