anchor.diff:  
     clion = buildClion rec {
       name = "clion-${version}";
  -    version = "2019.3.4"; /* updated by script */
  +    version = "2019.3.5"; /* updated by script */
       description  = "C/C++ IDE. New. Intelligent. Cross-platform";
       license = stdenv.lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
  -      sha256 = "0whd379ck79vhz14yh5g6vpl4cvgw4z9ag4mwgizmd8kbcfnvdxd"; /* updated by script */
  +      sha256 = "0qmhp0sqcknwgsirnbi6461lzr7mxgrgjsd0q5cxnhscbbczl7pk"; /* updated by script */
       };
       wmClass = "jetbrains-clion";
       update-channel = "CLion RELEASE"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
  
positive.code: 
    pycharm-professional = buildPycharm rec {
      name = "pycharm-professional-${version}";
      version = "2019.3.3"; /* updated by script */
      description = "PyCharm Professional Edition";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/python/${name}.tar.gz";
        sha256 = "1305zvb5n2zqnny4l50qfv7jd1sj4ffhrig4rpfiqg65ncfpypwb"; /* updated by script */
      };
      wmClass = "jetbrains-pycharm";
      update-channel = "PyCharm RELEASE";
  
negative.code: 
    idea-community = buildIdea rec {
      name = "idea-community-${version}";
      version = "2019.3.4"; /* updated by script */
      description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
      license = stdenv.lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
        sha256 = "1kspj5a9z6smcgrfxdylvc0y53s7y6jv7ckfhmbkvplmrj0h0wd7"; /* updated by script */
      };
      wmClass = "jetbrains-idea-ce";
      update-channel = "IntelliJ IDEA RELEASE";
  