anchor.diff:  
     pycharm-community = buildPycharm rec {
       name = "pycharm-community-${version}";
  -    version = "2018.2.5"; /* updated by script */
  +    version = "2018.3"; /* updated by script */
       description = "PyCharm Community Edition";
       license = stdenv.lib.licenses.asl20;
       src = fetchurl {
         url = "https://download.jetbrains.com/python/${name}.tar.gz";
  -      sha256 = "0zfnhrkv4y90a3myq13406vzivg234l69x0c5d7vyv6ys7dmq5fm"; /* updated by script */
  +      sha256 = "0kgrh3w4lpk7qkp5gss24in1nqahdfllvf97qz6r77zn9n5k1wq7"; /* updated by script */
       };
       wmClass = "jetbrains-pycharm-ce";
       update-channel = "PyCharm Release";
  
positive.code: 
    goland = buildGoland rec {
      name = "goland-${version}";
      version = "2018.2.4"; /* updated by script */
      description = "Up and Coming Go IDE";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/go/${name}.tar.gz";
        sha256 = "0aan23ggs314bvpsldsv9m4pdmnlgdcjac9x6hv1j145a1pp439i"; /* updated by script */
      };
      wmClass = "jetbrains-goland";
      update-channel = "GoLand Release";
  
negative.code: 
    idea-community = buildIdea rec {
      name = "idea-community-${version}";
      version = "2018.3"; /* updated by script */
      description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
      license = stdenv.lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
        sha256 = "01ccz5ksbv8xh8mnk3zxqpia8zgayy8bcgmbwqibrykz47y6r7yy"; /* updated by script */
      };
      wmClass = "jetbrains-idea-ce";
      update-channel = "IntelliJ IDEA Release";
  