anchor.diff:  
     pycharm-community = buildPycharm rec {
       name = "pycharm-community-${version}";
  -    version = "2021.1"; /* updated by script */
  +    version = "2021.1.1"; /* updated by script */
       description = "PyCharm Community Edition";
       license = lib.licenses.asl20;
       src = fetchurl {
         url = "https://download.jetbrains.com/python/${name}.tar.gz";
  -      sha256 = "1iiglh7s2zm37kj6hzlzxb1jnzh2p0j1f2zzhg3nqyrrakfbyq3h"; /* updated by script */
  +      sha256 = "04bs9sz872b0h1zzax23irvj6q5wxnzp6fl4f177j94kh4116cqh"; /* updated by script */
       };
       wmClass = "jetbrains-pycharm-ce";
       update-channel = "PyCharm RELEASE";
  
positive.code: 
    webstorm = buildWebStorm rec {
      name = "webstorm-${version}";
      version = "2021.1"; /* updated by script */
      description = "Professional IDE for Web and JavaScript development";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/webstorm/WebStorm-${version}.tar.gz";
        sha256 = "15i521qj2b0y1viqr0xx815ckpq359j6nars4xxq8xvy7cg729yc"; /* updated by script */
      };
      wmClass = "jetbrains-webstorm";
      update-channel = "WebStorm RELEASE";
  
negative.code: 
    clion = buildClion rec {
      name = "clion-${version}";
      version = "2021.1.1"; /* updated by script */
      description  = "C/C++ IDE. New. Intelligent. Cross-platform";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
        sha256 = "0xzlkf3gq6fcb0q9mcj8k39880l8h21pb1lz0xl2dqj8cfwpws9h"; /* updated by script */
      };
      wmClass = "jetbrains-clion";
      update-channel = "CLion RELEASE"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
  