anchor.diff:        chmod -R u+w rethinkdb
         cd rethinkdb
         echo "${version}" > VERSION.OVERRIDE
  -      cp -rv --no-preserve=all $fetchDependencies/* .
  +      cp -r --no-preserve=all $fetchDependencies/* .
         ${patchScripts}
         ./configure --fetch jemalloc
         ${make} dist-dir DIST_DIR=$out
  
positive.code: 
    fetchList = ["v8" "jemalloc"];
  
  in rec {
  
    #test = pkgs.stdenv.mkDerivation {
    #  name = "test";
    #  builder = toFile "builder.sh" ". $stdenv/setup; cat <<__end\n${toJSON (depInfo "v8")}\n__end";
    #};
  
    fetchDependencies = mkFetch fetchList;
  
    sourcePrep = pkgs.stdenv.mkDerivation rec {
      name = "rethinkdb-${version}";
  
negative.code:       curl
      ];
      builder = mkBuilder ''
        cp -r --no-preserve=all $src/* .
        ./configure
        ${make} DEBUG=1
        test/run -j $NIX_BUILD_CORES '!long' ${skip_tests_filter} || :
  