anchor.diff:  {
     clion = buildClion rec {
       name = "clion-${version}";
  -    version = "2016.3";
  +    version = "2016.3.2";
       description  = "C/C++ IDE. New. Intelligent. Cross-platform";
       license = stdenv.lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
  -      sha256 = "16nszamr0bxg8aghyrg4wzxbp9158kjzhr957ljpbipz0rlixf31";
  +      sha256 = "0ygnj3yszgd1si1qgx7m4n7smm583l5pww8xhx8n86mvz7ywdhbn";
       };
       wmClass = "jetbrains-clion";
     };
  
positive.code: 
    idea-ultimate = buildIdea rec {
      name = "idea-ultimate-${version}";
      version = "2016.3.2";
      description = "Integrated Development Environment (IDE) by Jetbrains, requires paid license";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIU-${version}.tar.gz";
        sha256 = "13pd95zad29c3i9qpwhjii601ixb4dgcld0kxk3liq4zmnv6wqxa";
      };
      wmClass = "jetbrains-idea";
    };
  
    ruby-mine = buildRubyMine rec {
      name = "ruby-mine-${version}";
      version = "2016.2.5";
      description = "The Most Intelligent Ruby and Rails IDE";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/ruby/RubyMine-${version}.tar.gz";
        sha256 = "1rncnm5dvhpfb7l5p2k0hs4yqzp8n1c4rvz9vldlf5k7mvwggp7p";
      };
      wmClass = "jetbrains-rubymine";
    };
  
negative.code: 
    idea-community = buildIdea rec {
      name = "idea-community-${version}";
      version = "2016.3.3";
      description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
      license = stdenv.lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
        sha256 = "1v9rzfj84fyz3m3b6bh45jns8wcil9n8f8mfha0x8m8534r6w368";
      };
      wmClass = "jetbrains-idea-ce";
    };
  