anchor.diff:  
     pycharm-professional = buildPycharm rec {
       name = "pycharm-professional-${version}";
  -    version = "2020.2.3"; /* updated by script */
  +    version = "2020.2.4"; /* updated by script */
       description = "PyCharm Professional Edition";
       license = stdenv.lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/python/${name}.tar.gz";
  -      sha256 = "0g7bki4bzi3a1w3rlwik2w0ma10xb4g450qxm4fr4fp8dy2xaysc"; /* updated by script */
  +      sha256 = "0dwd9gvi8n3igza95pil3mf7azxn131830rvfzdvnvrzj9yb2q8l"; /* updated by script */
       };
       wmClass = "jetbrains-pycharm";
       update-channel = "PyCharm RELEASE";
  
positive.code: 
    clion = buildClion rec {
      name = "clion-${version}";
      version = "2020.2.4"; /* updated by script */
      description  = "C/C++ IDE. New. Intelligent. Cross-platform";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
        sha256 = "0xkra8l3ga8qsmzbvfisn99lxm5wxa8c4d4jzljjwn8855bs20a3"; /* updated by script */
      };
      wmClass = "jetbrains-clion";
      update-channel = "CLion RELEASE"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
  
negative.code: 
    datagrip = buildDataGrip rec {
      name = "datagrip-${version}";
      version = "2020.3"; /* updated by script */
      description = "Your Swiss Army Knife for Databases and SQL";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/datagrip/${name}.tar.gz";
        sha256 = "1j0mlsiqh80mspi2x9mi0h5hxhg5gw6395hyl9w33q8dxm95mx2d"; /* updated by script */
      };
      wmClass = "jetbrains-datagrip";
      update-channel = "DataGrip RELEASE";
  