platform="$(uname -s)-$(uname -m)"
case $platform in
Linux-x86_64)
  install_package "truffleruby-21.2.0.1" "https://github.com/oracle/truffleruby/releases/download/vm-21.2.0.1/truffleruby-21.2.0.1-linux-amd64.tar.gz#288c8af3ee161677298f1571ee340c2f34dd2bb02a47549177ae0900f66511be" truffleruby
  ;;
Linux-aarch64)
  install_package "truffleruby-21.2.0.1" "https://github.com/oracle/truffleruby/releases/download/vm-21.2.0.1/truffleruby-21.2.0.1-linux-aarch64.tar.gz#ddaf53a9921d2a5b5151300c30848519db2a3f9f146f47d4d883ccbbad6cab08" truffleruby
  ;;
Darwin-x86_64)
  install_package "truffleruby-21.2.0.1" "https://github.com/oracle/truffleruby/releases/download/vm-21.2.0.1/truffleruby-21.2.0.1-macos-amd64.tar.gz#beee953c06a3eabe37ab227dde5dacd2d0f60e941fa93189ced77395e864f50d" truffleruby
  ;;
*)
  colorize 1 "Unsupported platform: $platform"
  return 1
  ;;
esac