#!/bin/bash

MAIL=root
TIME=7
CACHE=/var/www/webmail/.cache_check_upgrade

DEBUG=0
[ "$1" == "-v" ] && DEBUG=1

current=`egrep "define.*RCMAIL_VERSION" /var/www/webmail/public_html/program/include/iniset.php|sed "s/define('.*', '\([^']*\)'.*$/\1/"`
[ $DEBUG -eq 1 ] && echo "Current : $current"

newest=`wget -q http://www.roundcube.net/download -O - |grep Stable|sed 's/^.*Stable.*: \(.*\)<\/td>.*$/\1/'`
[ $DEBUG -eq 1 ] && echo "Newest : $newest"


if [ "$newest" != "$current" ]
then
	tmp=`mktemp`
	echo "New RoundCude release" > $tmp
	echo "=====================" >> $tmp
	echo "Current : $current" >> $tmp
	echo "Newest : $newest" >> $tmp
	
	M=0
	if [ -f $CACHE ]
	then
		if [ "`diff $tmp $CACHE`" != "" -o `find $CACHE -mtime +$TIME | wc -l` -eq 1 ]
		then
			[ $DEBUG -eq 1 ] && echo "Cache trop vieux ou modif => On envoi"
			M=1
		else
			[ $DEBUG -eq 1 ] && echo "Pas de modif et cache trop recent : pas d'envoi"
		fi
	else
		[ $DEBUG -eq 1 ] && echo "Pas encore de cache => On envoi"
		M=1
	fi
	if [ $M -eq 1 ]
	then
		cat $tmp > $CACHE
		cat $tmp | mail -s "New RoundCude release : $newest" $MAIL
		[ $DEBUG -eq 1 ] && echo "Mail envoyé"
	fi
	rm -f $tmp
else
	[ $DEBUG -eq 1 ] && echo "Pas de changement de version"
fi