#!/bin/bash
date=$(date +%Y%m%d_%H%M%S)
homedir=/home/jesse/
#Directories to backup changed files
newest=/mnt/3tb/test/test2/
oldest=/mnt/3tb/test/test1/
backupname=/mnt/3tb/test/test3

#Directories to Exclude
excluding=( /proc /sys /dev /tmp /var/run /var/lock /media /mnt /root /home /.snapshots )

set -x #echo on
rsync -aPAXxSunv \
  "${excluding[@]/#/--exclude=}" \
  --delete \
  --delete-excluded \
  --link-dest="$oldest" \
  "$newest" \
  "$backupname"
set +x #echo off