anchor.diff:  
     phpstorm = buildPhpStorm rec {
       name = "phpstorm-${version}";
  -    version = "2021.1.4"; /* updated by script */
  +    version = "2021.2"; /* updated by script */
       description = "Professional IDE for Web and PHP developers";
       license = lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/webide/PhpStorm-${version}.tar.gz";
  -      sha256 = "0p9a8l2bpjm25x4af1hlqhmw5xsirsfajznd6y723yqmjy8hs46l"; /* updated by script */
  +      sha256 = "11lm7mja3mc2v329i830j8w1zymlz11sj86qvcg7s4pgc4xwnzd6"; /* updated by script */
       };
       wmClass = "jetbrains-phpstorm";
       update-channel = "PhpStorm RELEASE";
  
positive.code: 
    mps = buildMps rec {
      name = "mps-${version}";
      version = "2021.1";
      versionMajorMinor = "2021.1";
      description = "Create your own domain-specific language";
      license = lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/mps/${versionMajorMinor}/MPS-${version}.tar.gz";
        sha256 = "0fdh8lzsi2zryi0xs961vrf3l8kqk5imlj56dhifywi7xkhs3vwn"; /* updated by script */
      };
      wmClass = "jetbrains-mps";
      update-channel = "MPS RELEASE";
  
negative.code: 
    pycharm-community = buildPycharm rec {
      name = "pycharm-community-${version}";
      version = "2021.2"; /* updated by script */
      description = "PyCharm Community Edition";
      license = lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/python/${name}.tar.gz";
        sha256 = "075lb50g853791hj8ahhi88zbp07cvfs3zrdahvvif2nd121r1mx"; /* updated by script */
      };
      wmClass = "jetbrains-pycharm-ce";
      update-channel = "PyCharm RELEASE";
  