#!/bin/bash

# e.g. 0 0 * * * /home/nathan/scripts/backup/backup_git.sh -d /srv/git -b /srv/dev-disk-by-uuid-d9f9e8fd-c473-450e-919e-c43200a6ac4a/gitBackup/ -r nathan@alphavps.aney.co.uk -R ~/backups/git/lilman/

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

mkdir -p $BACKUPDIR

# Incremental backup of the directory locally
rdiff-backup $DATA $BACKUPDIR
# Don't keep backups over 1W. In case of accidental/malicious deletes overnight 
rdiff-backup --remove-older-than 2W $BACKUPDIR

# Make offsite backup
ssh $REMOTE mkdir -p $REMOTEBACKUP

# Copy the incremental backup accross
rsync -az -e ssh \
	--delete \
	$BACKUPDIR \
	$REMOTE:$REMOTEBACKUP