anchor.diff:  
     webstorm = buildWebStorm rec {
       name = "webstorm-${version}";
  -    version = "2020.1"; /* updated by script */
  +    version = "2020.1.1"; /* updated by script */
       description = "Professional IDE for Web and JavaScript development";
       license = stdenv.lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/webstorm/WebStorm-${version}.tar.gz";
  -      sha256 = "1c68li5jxsjml0macdb0s04llwwq1hni5z8vq2zdfcn5zm3xwpif"; /* updated by script */
  +      sha256 = "0d543g06bxpw4q2p19vmvrxpbhqsvspjbs3sqnw6hxni7wcflhkg"; /* updated by script */
       };
       wmClass = "jetbrains-webstorm";
       update-channel = "WebStorm RELEASE";
  
positive.code: 
    clion = buildClion rec {
      name = "clion-${version}";
      version = "2020.1"; /* updated by script */
      description  = "C/C++ IDE. New. Intelligent. Cross-platform";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
        sha256 = "18mbw72vgrzkvjykc23h17qxrxfvhjzhy9rxpi2asw196qalavzp"; /* updated by script */
      };
      wmClass = "jetbrains-clion";
      update-channel = "CLion RELEASE"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
  
negative.code: 
    rider = buildRider rec {
      name = "rider-${version}";
      version = "2020.1.2"; /* updated by script */
      description = "A cross-platform .NET IDE based on the IntelliJ platform and ReSharper";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/rider/JetBrains.Rider-${version}.tar.gz";
        sha256 = "0flwq61p7827f8nmldqgfpxbfl422imclksw6w97mgzqqhcbgksd"; /* updated by script */
      };
      wmClass = "jetbrains-rider";
      update-channel = "Rider RELEASE";
  