anchor.diff:  
     idea-ultimate = buildIdea rec {
       name = "idea-ultimate-${version}";
  -    version = "2020.2.4"; /* updated by script */
  +    version = "2020.3"; /* updated by script */
       description = "Integrated Development Environment (IDE) by Jetbrains, requires paid license";
       license = stdenv.lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/idea/ideaIU-${version}-no-jbr.tar.gz";
  -      sha256 = "05qr8jiasqxmkgi9v52g7hgpdf7pkkjcp42bbkh1f4zgvq81p5py"; /* updated by script */
  +      sha256 = "1l6bvfgzp27113rjy1y3jvp09cqx8gpnbgpwp83vsph7x0dhx8a3"; /* updated by script */
       };
       wmClass = "jetbrains-idea";
       update-channel = "IntelliJ IDEA RELEASE";
  
positive.code: 
    mps = buildMps rec {
      name = "mps-${version}";
      version = "2020.2.2"; /* updated by script */
      description = "Create your own domain-specific language";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/mps/2020.2/MPS-${version}.tar.gz";
        sha256 = "1a09yahky8ii2dypj69m89c3yh7akn7sa74n0j0mff7r46ad421y"; /* updated by script */
      };
      wmClass = "jetbrains-mps";
      update-channel = "MPS RELEASE";
  
negative.code: 
    webstorm = buildWebStorm rec {
      name = "webstorm-${version}";
      version = "2020.3"; /* updated by script */
      description = "Professional IDE for Web and JavaScript development";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/webstorm/WebStorm-${version}.tar.gz";
        sha256 = "0sk7slwfr9jasid09hxw81sik5srn35vif3pbzpybig3yszbv6ld"; /* updated by script */
      };
      wmClass = "jetbrains-webstorm";
      update-channel = "WebStorm RELEASE";
  