post_install() {
  echo 'To use leagueoflegends as a normal user, add user to the games group:'
  echo '# gpasswd -a $USER games'
  echo 'To make your session aware of this new group without having to log in again, you can use this command before launching leagueoflegends:'
  echo '$ newgrp games'
}

post_upgrade() {
  post_install
}