nixpkgs/pkgs/development/interpreters/ruby/default.nix

{stdenv, fetchurl, ncurses, readline}:

stdenv.mkDerivation {
  name = "ruby-1.8.4";
  src = fetchurl {
    url = http://nix.cs.uu.nl/dist/tarballs/ruby-1.8.4.tar.gz;
    md5 = "bd8c2e593e1fa4b01fd98eaf016329bb";
  };

  buildInputs = [ncurses readline];
}