anchor.diff:  
     phpstorm = buildPhpStorm rec {
       name = "phpstorm-${version}";
  -    version = "2020.3.3"; /* updated by script */
  +    version = "2021.1"; /* updated by script */
       description = "Professional IDE for Web and PHP developers";
       license = lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/webide/PhpStorm-${version}.tar.gz";
  -      sha256 = "0arff0882xw1azbxpn1n3wbc5ncg8gmfim3jf6rq2dky8kp9ylkm"; /* updated by script */
  +      sha256 = "052m7mqa1s548my0gda9y2mysi2ijq27c9b3bskrwqsf1pm5ry63"; /* updated by script */
       };
       wmClass = "jetbrains-phpstorm";
       update-channel = "PhpStorm RELEASE";
  
positive.code: 
    clion = buildClion rec {
      name = "clion-${version}";
      version = "2020.3.3"; /* updated by script */
      description  = "C/C++ IDE. New. Intelligent. Cross-platform";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
        sha256 = "10s0jkxi892pg7d2slh7cvrd0ch2223qms3c9v1ax0n6ymfkcw14"; /* updated by script */
      };
      wmClass = "jetbrains-clion";
      update-channel = "CLion RELEASE"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
  
negative.code: 
    idea-community = buildIdea rec {
      name = "idea-community-${version}";
      version = "2021.1"; /* updated by script */
      description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
      license = lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
        sha256 = "1d7m39rzdgh2fyx50rpifqfsdmvfpi04hjp52pl76m35gyb5hsvs"; /* updated by script */
      };
      wmClass = "jetbrains-idea-ce";
      update-channel = "IntelliJ IDEA RELEASE";
  