anchor.diff:        ${pkgs.perl}/bin/perl ${./memcached/damemtop} "$@"
     '';
   
  -  curl-loader = pkgs.callPackage ./curl-loader {};
  +  elasticsearch-cloud-aws = pkgs.stdenv.mkDerivation rec {
  +    name = "elasticsearch-cloud-aws-${version}";
  +    version = "2.4.1";
  +    src = fetchurl {
  +      url = "http://search.maven.org/remotecontent?filepath=org/elasticsearch/elasticsearch-cloud-aws/${version}/${name}.zip";
  +      sha256 = "1nvfvx92q9p0yny45jjfwdvbpn0qh384s6714wmm7qivbylb8f03";
  +    };
  +    phases = [ "installPhase" ];
  +    buildInputs = [ pkgs.unzip ];
  +    installPhase = ''
  +      mkdir -p $out/plugins/cloud-aws
  +      unzip $src -d $out/plugins/cloud-aws
  +    '';
  +  };
   
     erlang = pkgs.callPackage ./erlang {};
   
  
positive.code:     pythonPackages perlPackages haskellPackages
      stdenv fetchurl;
    inherit (lib) overrideDerivation;
  in rec {
    couchbase = pkgs.callPackage ./couchbase {};
  
    damemtop = pkgs.writeScriptBin "damemtop" ''
      #!${pkgs.bash}/bin/bash
  
negative.code: 
    jenkins = pkgs.callPackage ./jenkins {};
  
    kibana4 = pkgs.srcOnly {
      name = "kibana-4.0.0";
      src = fetchurl {
        url = https://download.elasticsearch.org/kibana/kibana/kibana-4.0.0-linux-x64.tar.gz;
        sha256 = "0bng4mmmhc2lhfk9vxnbgs4d7hiki5dlzrggzvd96dw0a8gy47cg";
      };
    };
  
    mariadb = pkgs.callPackage ./mariadb {};
  
    memcached-tool = pkgs.writeScriptBin "memcached-tool" ''
      #!${pkgs.bash}/bin/bash
      exec ${pkgs.perl}/bin/perl ${./memcached/memcached-tool} "$@"
    '';
  
    myrapi = fns.staticHaskellCallPackage ./myrapi { inherit servant servantClient; };
  
    mysql55 = pkgs.callPackage ./mysql/5.5.x.nix {};
  
  