post_install() {
  touch /var/games/ltris.hscr
  chown root:games /var/games/ltris.hscr
  chmod 664 /var/games/ltris.hscr
}

pre_upgrade() {
  if [ -e /var/ltris.hscr ]; then
    install -d /var/games
    cp /var/ltris.hscr /var/games
  fi
}

post_upgrade() {
  chown root:games /var/games/ltris.hscr
  chmod 664 /var/games/ltris.hscr
}