post_install() {
  if (! pacman -Qqs '^aquaria' | grep -vw 'data' >/dev/null); then
    echo "Note:"
    echo " | This package only provides the (proprietary) game data."
    echo " | For the game executable, install one of the following packages:"
    echo " |   aquaria-git  ..  for the improved Open Source version"
  fi
}

post_upgrade() {
  post_install "$@"
}