case $(uname -s) in
Linux)
  install_package "truffleruby+graalvm-21.1.0" "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.1.0/graalvm-ce-java11-linux-amd64-21.1.0.tar.gz#39252954d2cb16dbc8ce4269f8b93a326a0efffdce04625615e827fe5b5e4ab7" truffleruby_graalvm
  ;;
Darwin)
  use_homebrew_openssl
  install_package "truffleruby+graalvm-21.1.0" "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-21.1.0/graalvm-ce-java11-darwin-amd64-21.1.0.tar.gz#b53cd5a085fea39cb27fc0e3974f00140c8bb774fb2854d72db99e1be405ae2b" truffleruby_graalvm
  ;;
*)
  colorize 1 "Unsupported operating system: $(uname -s)"
  return 1
  ;;
esac