#!/usr/bin/env bash
##
# Copyright (C) 2013-2016 Janek Bevendorff
# Website: http://www.refining-linux.org/
# 
# Rotate backup revisions. Intended for use with cron.
# 
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
##

if [ "$1" == "" ]; then
	echo "Usage: $(basename $0) <rsnapshot config>"
	exit
fi

if [ "$RSYNC_EXIT_STATUS" == "" ]; then
	echo "This script is intended to be run as rsync post-xfer hook." 2>&1
	exit 1
fi

if [ $RSYNC_EXIT_STATUS -eq 0 ] || [ $RSYNC_EXIT_STATUS -eq 24 ]; then
    RSNAPSHOT="rsnapshot"
    if [ -x /usr/bin/rsnapshot ]; then
        RSNAPSHOT="/usr/bin/rsnapshot"
    elif [ -x /opt/bin/rsnapshot ]; then
        RSNAPSHOT="/opt/bin/rsnapshot"
    fi
    $RSNAPSHOT -c "$1" push
fi