#!/bin/sh
exec 2>&1

ROOT_ZONE_FILE=root.zone
ROOT_TMP_FILE=${ROOT_ZONE_FILE}.tmp
ROOT_GZ_FILE=${ROOT_ZONE_FILE}.gz
ROOT_SIG_FILE=${ROOT_GZ_FILE}.sig

cd /etc/dnsroot/root
wget -N https://www.internic.net/domain/${ROOT_SIG_FILE} 2>&1 | grep -E 'not (modified|retrieving)'

# nothing to fetch
if [ "X0" = "X$?" ]; then
  exit 1
fi

wget -qN https://www.internic.net/domain/${ROOT_GZ_FILE} && \

gpg2 --status-fd 1 --verify ${ROOT_SIG_FILE} && \
gzip -d -c < ${ROOT_GZ_FILE} > ${ROOT_TMP_FILE} && \
mv -f ${ROOT_TMP_FILE} ${ROOT_ZONE_FILE} && \
./dnsroot < ${ROOT_ZONE_FILE} > ./data.tmp && \
mv -f ./data.tmp ./data && \
make && exit 0 || exit 100