#!/bin/bash

# Backup home dir via rdiff-backup
# Then rsync it to remote
# e.g. 0 */1 * * * /home/nathan/scripts/backup/backup_home.sh -d /home/nathan -b /srv/dev-disk-by-uuid-d9f9e8fd-c473-450e-919e-c43200a6ac4a/nathan/lilman/ -r nathan@alphavps.aney.co.uk -R ~/backups/home/lilman

while getopts s:d:b:r:R:n: flag
do
	case "${flag}" in
	    d) DATA=${OPTARG};;
	    b) BACKUPDIR=${OPTARG};;
	    r) REMOTE=${OPTARG};;
	    R) REMOTEBACKUP=${OPTARG};;
	    n) NOW=${OPTARG};;
	esac
done

mkdir -p $BACKUPDIR

# Incremental backup of the directory locally (hourly?)
rdiff-backup $DATA $BACKUPDIR
# Don't keep backups over 1W 
rdiff-backup --force --remove-older-than 1W $BACKUPDIR

# Backup to remote
TIME=$(date +%H%M) 

if [ "$TIME" = 0000 ] || [ "$NOW" = 1 ]
then
	# Create the remote directory for backup if it doesn't exist
	ssh $REMOTE mkdir -p $REMOTEBACKUP

	# Copy the backup accross
	# -e ssh makes it secure
	rsync -azh -e ssh \
		--delete \
		$BACKUPDIR \
		$REMOTE:$REMOTEBACKUP 
fi