#!/bin/bash
#
# backup-script system for cloning systems using rsync
# Copyright (c)2008-2015 Alexander Barton, alex@barton.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# Please read the file COPYING, README and AUTHORS for more information.
#

if [ -z "$MAILTO" ]; then
	if id "logcheck" >/dev/null 2>&1; then
		MAILTO="logcheck"
	elif fgrep "logcheck:" /etc/aliases >/dev/null 2>&1; then
		MAILTO="logcheck"
	else
		MAILTO="root"
	fi
fi

NAME="backup-script"

DELIMITER="- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -"
HOST=`hostname -f`
LOGFILE="/var/log/$NAME.log"
PIDFILE="/var/run/$NAME.pid"
SUBJECT="$NAME results"
TMP=`mktemp /tmp/$NAME.XXXXXXXX` || exit 1

PATH="$PATH:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
export PATH

# check PID file ("lock file")
if [ -e "$PIDFILE" ]; then
	echo "Lockfile \"$PIDFILE\" already exists."
	echo "Is an other instance still running?"
	echo
	echo -n "Aborted: "; date
	echo
	exit 4
fi

exec >"$TMP" 2>&1

echo "$NAME Report"
echo
echo " - Host: `hostname -f`"
echo " - User: `id -un`"
echo

if echo "$DELIMITER" >>"$LOGFILE" 2>/dev/null; then
	echo >>"$LOGFILE"
	"$(dirname "$0")/backup-script" "$@" | tee -a "$LOGFILE"
	r=${PIPESTATUS[0]}
else
	"$(dirname "$0")/backup-script" "$@"
	r=$?
	echo "(Can't write logfile: \"$LOGFILE\"!)"
fi

case "$r" in
	0)
		;;
	*)
		SUBJECT="$SUBJECT - with ERRORS!"
esac

cat "$TMP" | mail -s "$HOST: $SUBJECT" "$MAILTO"

rm -f "$TMP"
exit $r

# -eof-