anchor.diff:    };
   
     command_T = simpleDerivation {
  -
       name = "vim-command-t-1.4";
  -
       src = fetchurl {
         url    = "https://github.com/wincent/Command-T/archive/1.4.tar.gz";
         sha256 = "1ka9hwx9n0vj1dd5qsd2l1wq0kriwl76jmmdjzh7zaf0p547v98s";
       };
  -
       path = "Command-T";
  -
       buildInputs = [ perl ruby ];
  -
       buildPhase = ''
         pushd ruby/command-t
         ruby extconf.rb
  
positive.code:     };
    };
  
    xdebug = simpleDerivation {
  
      name = "vim-xdebug-a4980fa65f7f159780593ee37c178281691ba2c4";
  
      src = fetchurl {
        url = "https://github.com/joonty/vim-xdebug/archive/a4980fa65f7f159780593ee37c178281691ba2c4.tar.gz";
        sha256 = "1348gzp0zhc2wifvs5vmf92m9y8ik8ldnvy7bawsxahy8hmhiksk";
      };
  
      path = "xdebug";
  
      postInstall = false;
    };
  }
  
negative.code: { fetchurl, stdenv, python, cmake, vim, perl, ruby, unzip }:
  
  /*
  About Vim and plugins
  