anchor.diff:  
     phpstorm = buildPhpStorm rec {
       name = "phpstorm-${version}";
  -    version = "2017.3.6"; /* updated by script */
  +    version = "2018.1.2"; /* updated by script */
       description = "Professional IDE for Web and PHP developers";
       license = stdenv.lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/webide/PhpStorm-${version}.tar.gz";
  -      sha256 = "00g86fggh8wfm02k9wwn33yqmbfr2b1x3vnvyn9gdpycdk46lqgw"; /* updated by script */
  +      sha256 = "13si8g7n1qvjm5ivbrazsbqlvwwlg65nia78k74nkaqp704z92cs"; /* updated by script */
       };
       wmClass = "jetbrains-phpstorm";
  -    update-channel = "PS2017.3";
  +    update-channel = "PS2018.1";
     };
   
     pycharm-community = buildPycharm rec {
       name = "pycharm-community-${version}";
  -    version = "2018.1.1"; /* updated by script */
  +    version = "2018.1.2"; /* updated by script */
       description = "PyCharm Community Edition";
       license = stdenv.lib.licenses.asl20;
       src = fetchurl {
         url = "https://download.jetbrains.com/python/${name}.tar.gz";
  -      sha256 = "1s26jczag12p3v3r6fdk02mmg55npzn0mzkmgcvh40fr7q7mq2pr"; /* updated by script */
  +      sha256 = "1phxzsz2qnyk0b0kkccsgjkxx4ak7rbm68k1lpgr59rwyxqnazy3"; /* updated by script */
       };
       wmClass = "jetbrains-pycharm-ce";
       update-channel = "PyCharm_Release";
  
positive.code: 
    pycharm-professional = buildPycharm rec {
      name = "pycharm-professional-${version}";
      version = "2018.1.1"; /* updated by script */
      description = "PyCharm Professional Edition";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/python/${name}.tar.gz";
        sha256 = "0k7529xhhnvjz7ycs5ab4qc4cr35g1v2qxlswy1aqcgzh2zg4c85"; /* updated by script */
      };
      wmClass = "jetbrains-pycharm";
      update-channel = "PyCharm_Release";
  
negative.code: 
    datagrip = buildDataGrip rec {
      name = "datagrip-${version}";
      version = "2018.1.2"; /* updated by script */
      description = "Your Swiss Army Knife for Databases and SQL";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/datagrip/${name}.tar.gz";
        sha256 = "12rihb1ppl4i1i0j3yj4ih4qx3xf30kfx022pbvng1rjy0bpikp7"; /* updated by script */
      };
      wmClass = "jetbrains-datagrip";
      update-channel = "datagrip_2018_1";
    };
  
    goland = buildGoland rec {
      name = "goland-${version}";
      version = "2018.1.2"; /* updated by script */
      description = "Up and Coming Go IDE";
      license = stdenv.lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/go/${name}.tar.gz";
        sha256 = "1qhhxarvw6mzavyzackzkbq52yfr5437gljxdvlbr6rpi99hgfzb"; /* updated by script */
      };
      wmClass = "jetbrains-goland";
      update-channel = "goland_release";
  