# new package version
devices_file="/usr/local/Brother/sane/brsanenetdevice3.cfg"

pre_install() {
  /bin/true
}

# new package version
post_install() {
  /usr/local/Brother/sane/setupSaneScan3 -i
  
}

# the new package version
# old package version
pre_upgrade() {
  # If user has already configured their scanner then make a config backup
  if [ -f $devices_file ]; then
    cp $devices_file $devices_file.backup || return 1
  fi
}

# new package version
# old package version
post_upgrade() {
  # After upgrade revert user's scanner config and delete a config backup
  if [ -f $devices_file.backup ]; then
    cp $devices_file.backup $devices_file || return 1
    rm $devices_file.backup || return 1
  fi
}

# old package version
pre_remove() {
  /usr/local/Brother/sane/setupSaneScan3 -e
  /bin/true
}

# old package version
post_remove() {
  /bin/true
}