post_install() { cat << EOF NOTE ---- # If you want to use this driver with sane: # echo "hpaio" >> /etc/sane.d/dll.conf EOF } post_upgrade() { if [ "`vercmp $2 3.12.4-2`" -lt 0 ]; then # important upgrade notice echo "> Please remove your printer in cups, then add it" echo "> back and reconfigure it to make it work again!" fi }