{ stdenv, lib, pkgs, }:

stdenv.mkDerivation {
  name = "base16-builder";
  src = pkgs.fetchFromGitHub {
    owner = "auduchinok";
    repo = "base16-builder";
    rev = "51e3ad4d447fc3f1f539d0bfe33c851728fb6b5f";
    sha256 = "1qir689h38c6jr7fbbqbc3029544zgv41lrrqdcq26kcwxcwjrz1";
  };
  nativeBuildInputs = [pkgs.ruby];

  # builds everything
  buildPhase = "${pkgs.ruby}/bin/ruby base16";
  installPhase = ''
    mkdir -p $out
    cp -r output/* $out
  '';
}