#!/bin/sh

. ./dns-functions.sh

InternalZoneFile="$1"
ExternalZoneFile="$2"
ExternalZone="$3"
ExternalView="$4"

SerialIntern="$(GetZoneFileSerial "$InternalZoneFile")"
SerialExtern="$(GetZoneFileSerial "$ExternalZoneFile")"

if [ $((SerialIntern)) -gt $((SerialExtern)) ]; then
	sed '/^[^;]*\s\(10.\|[fF][cdCD][0-9a-fA-F]\{2\}:\)\S*\s*\(;.*\)\?$/d' "$InternalZoneFile" > "$ExternalZoneFile"
	ReloadZone "$ExternalZone" "$ExternalView"
fi