post_install() {
  cat << 'EOM'
  
  ==>
  ==> PLEASE NOTE:
  ==> The firmware files for ACX100/111 devices are installed in
  ==> /usr/share/tiacx. Please identify the correct file(s) for your
  ==> device and copy them to /lib/firmware.
  ==>
  ==> See http://acx100.sourceforge.net/wiki/Firmware for details.
  ==>

EOM
}

post_upgrade() {
  post_install
}
      
op=$1
shift
$op $*