anchor.diff:  
     datagrip = buildDataGrip rec {
       name = "datagrip-${version}";
  -    version = "2019.3.4"; /* updated by script */
  +    version = "2020.1"; /* updated by script */
       description = "Your Swiss Army Knife for Databases and SQL";
       license = stdenv.lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/datagrip/${name}.tar.gz";
  -      sha256 = "1ygbi212sga6mdkassi51idh7ppchr77ifq3vi5bbm4ibgnsf2b4"; /* updated by script */
  +      sha256 = "1z3asz9fp3xnmbhngar60g8rba83kx987ar67j5m8ws7cijqlzix"; /* updated by script */
       };
       wmClass = "jetbrains-datagrip";
       update-channel = "DataGrip RELEASE";
  
positive.code: 
    pycharm-community = buildPycharm rec {
      name = "pycharm-community-${version}";
      version = "2019.3.4"; /* updated by script */
      description = "PyCharm Community Edition";
      license = stdenv.lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/python/${name}.tar.gz";
        sha256 = "0k917si1d28fnmjyvi0fs7rkdyvi2vr0d138436lh300a6y0z6wr"; /* updated by script */
      };
      wmClass = "jetbrains-pycharm-ce";
      update-channel = "PyCharm RELEASE";
  
negative.code: 
    webstorm = buildWebStorm rec {
      name = "webstorm-${version}";
      version = "2020.1"; /* updated by script */
      description = "Professional IDE for Web and JavaScript development";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/webstorm/WebStorm-${version}.tar.gz";
        sha256 = "1c68li5jxsjml0macdb0s04llwwq1hni5z8vq2zdfcn5zm3xwpif"; /* updated by script */
      };
      wmClass = "jetbrains-webstorm";
      update-channel = "WebStorm RELEASE";
  