anchor.diff:        make
         popd
       '';
  -
  -    installPhase = ''
  -      mkdir -p "$out/vim-plugins"
  -      cp -R doc "$out/doc"
  -      cp -R plugin "$out/vim-plugins"
  -      cp -R ruby "$out/vim-plugins"
  -
  -      ${vimHelptags "$out/vim-plugins/doc"}
  -    '';
  -  };
  -
  -  xdebug = stdenv.mkDerivation {
  +  };
  +
  +  xdebug = simpleDerivation {
  +
       name = "vim-xdebug-a4980fa65f7f159780593ee37c178281691ba2c4";
   
       src = fetchurl {
  
positive.code:       cmake -G "Unix Makefiles" . $target/cpp -DPYTHON_LIBRARIES:PATH=${python}/lib/libpython2.7.so -DPYTHON_INCLUDE_DIR:PATH=${python}/include/python2.7
        make -j -j''${NIX_BUILD_CORES} -l''${NIX_BUILD_CORES}}
  
        ${vimHelptags "$out/vim-plugins/YouCompleteMe/doc"}
      '';
  
      # TODO: implement proper install phase rather than keeping everything in store
  
negative.code:     };
    };
  
    syntastic = simpleDerivation {
      name = "vim-syntastic-3.0.0";
      src = fetchurl {
        url = "https://github.com/scrooloose/syntastic/archive/3.0.0.tar.gz";
        sha256 = "0nf69wpa8qa7xcfvywy2khmazs4dn1i2nal9qwjh2bzrbwbbkdyl";
      };
      path = "syntastic";
    };
  
    coffeeScript = simpleDerivation {
      name = "vim-coffee-script-v002";
      src = fetchurl {
        url = "https://github.com/vim-scripts/vim-coffee-script/archive/v002.tar.gz";
        sha256 = "1xln6i6jbbihcyp5bsdylr2146y41hmp2xf7wi001g2ymj1zdsc0";
      };
      path = "vim-coffee-script";
    };
  
    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 ];
  
  