with import <nixpkgs> {};
stdenv.mkDerivation {
  name = "env";
  buildInputs = [
    ruby.devEnv
    git
    patch
    imagemagick
    bison
    curl
    postgresql
    cmake
    libtool
    libxml2
    libxslt
    libffi
    libyaml
    libidn
    pkg-config
    openssl
    nodejs
    gdbm
    bundix
    gnumake
    automake
  ];
}