post_install() {
  echo "For audio output, you likely need to setup OSS or emulation. Then you can launch"
  echo "for ALSA:'aoss rollemup' or for PulseAudio:'padsp rollemup'. The launcher shell"
  echo "script '/usr/bin/rollemup' is commented, just edit accordingly."
  echo "Please also note that the game uses hardcoded keycodes for querty(us) keyboards!"
} 

post_upgrade() {
  post_install
}