let nix = nixUnstable; in

        [ perl libxslt dblatex tetex nukeReferences pkgconfig boehmgc git openssl];

        [ perl libxslt dblatex tetex nukeReferences pkgconfig boehmgc git openssl ];

        [ perl makeWrapper libtool nix unzip nukeReferences pkgconfig boehmgc sqlite git gitAndTools.topGit mercurial subversion bazaar openssl bzip2 ]
        ++ (import ./deps.nix) { inherit pkgs; };

        [ perl makeWrapper libtool nix unzip nukeReferences pkgconfig boehmgc sqlite
          git gitAndTools.topGit mercurial subversion bazaar openssl bzip2
        ] ++ (import ./deps.nix) { inherit pkgs; };

      hydraPath = stdenv.lib.concatStringsSep ":" (map (p: "${p}/bin") ( [
        libxslt sqlite subversion openssh nix coreutils findutils
        gzip bzip2 lzma gnutar unzip git gitAndTools.topGit mercurial gnused graphviz bazaar
      ] ++ ( if stdenv.isLinux then [rpm dpkg cdrkit] else [] )));

      hydraPath = lib.makeSearchPath "bin" (
        [ libxslt sqlite subversion openssh nix coreutils findutils
          gzip bzip2 lzma gnutar unzip git gitAndTools.topGit mercurial gnused graphviz bazaar
        ] ++ lib.optionals stdenv.isLinux [ rpm dpkg cdrkit ] );

        ensureDir $out/nix-support

        mkdir -p $out/nix-support

      meta = {
        description = "Build of Hydra on ${system}";
      };

      meta.description = "Build of Hydra on ${system}";