#!/bin/bash
# do not change those timestamps if you want to use bJanitor later on
# i'm serious it won't work.
datelog=`date "+%Y-%m-%d_-_%H_%M_%S"`
date=`date "+%Y-%m/%d/%H_%M_%S"`

HOME=/home/xqyz/
DEVICE=/dev/sdb1
MOUNT=/mnt/backup
EXCLUDES=/home/xqyz/.rsync/excludes
SPECIAL=/home/xqyz/.rsync/special
LOGDIR=${MOUNT}/logs
LOGFILE=${LOGDIR}/${datelog}.log

#mount ${DEVICE} 2>/dev/null
if [ -f ${MOUNT}/.is_backup ]
then
	if [ -f ${MOUNT}/.backup_in_progress ]
	then
		echo "There is already a backup in progress"
	else
		touch ${MOUNT}/.backup_in_progress
		mkdir ${LOGDIR} 2>/dev/null
		mkdir -p ${MOUNT}/${date}_incomplete
		rsync -azv \
		  --delete \
		  --delete-excluded \
		  --exclude-from=${EXCLUDES} \
		  --link-dest=${MOUNT}/current \
		  ${HOME} ${MOUNT}/${date}_incomplete | tee ${LOGFILE} \
		&& mv ${MOUNT}/${date}_incomplete ${MOUNT}/$date \
		&& rm -f ${MOUNT}/current \
		&& ln -s ${MOUNT}/$date ${MOUNT}/current
		# special backups
		
		cat ${SPECIAL} | while read line;
		do
			mkdir ${MOUNT}/special/${line} 2>/dev/null
			rsync -azv --delete $line ${MOUNT}/special/${line}
		done
		rm ${MOUNT}/.backup_in_progress
	fi
else
	echo "The mountpoint does not seem to be a valid backup destiantion"
	echo "Please create a .is_backup file in the directory if it is"
fi
#umount ${DEVICE} 2>/dev/null