backups

$ cat bin/backups.sh 
#!/usr/bin/env bash
# sudo apt-get install rdiff-backup

BACKUPS="$HOME/backups"

rdiff-backup --exclude $BACKUPS \
	     --exclude $HOME/VirtualBox\ VMs \
	     --exclude $HOME/Downloads \
	     $HOME $BACKUPS

if [ $(df -h $BACKUPS|grep -Po "([0-9]+)(?=%)") -gt 66 ]; then
	# Remove old backups if we do not have a lot of space
	rdiff-backup --remove-older-than 20W $BACKUPS
fi