#!/usr/bin/env -S bash -e
[[ -z "$1" ]] && {
	printf "Usage: %s message [description]\n" "$0"
	exit 1
}

RSS=/var/log/announcements.xml
DATE="$(date --rfc-email -u)"

MSG='\n\t<item>\n\t\t<title>'"$1"'<\/title>\n\t\t<description>'"$2"'<\/description>\n\t\t<author>root@vern.cc<\/author>\n\t\t<link>https:\/\/vern.cc\/announcements<\/link>\n\t\t<pubDate>'"$DATE"'<\/pubDate>\n\t<\/item>'

[[ -z "$2" ]] && {
	MSG='\n\t<item>\n\t\t<title>'"$1"'<\/title>\n\t\t<author>root@vern.cc<\/author>\n\t\t<link>https:\/\/vern.cc\/announcements<\/link>\n\t\t<pubDate>'"$DATE"'<\/pubDate>\n\t<\/item>'
}

sed -i "s/<\/webMaster>/<\/webMaster>$MSG/" $RSS