#!/bin/bash

# Creates a backup and removes some of the previous backups
# Put script in /etc/cron.daily/ and make sure it can be executed (o+x)

# Backups are created with the following prefix
PREFIX="automatic-"
# All backups with the previous prefix are deleted except the following dates
TODAY=`date '+%Y-%m-%d'`
YESTERDAY=`date -d "yesterday" '+%Y-%m-%d'`
DAY_BEFORE_YESTERDAY=`date -d "2 days ago" '+%Y-%m-%d'`
LAST_SUNDAY=`date -d "last Sunday" '+%Y-%m-%d'`
SUNDAY_BEFORE_LAST=`date -d "last Sunday -7 days" '+%Y-%m-%d'`
BEGINNING_OF_MONTH=`date '+%Y-%m-01'`
BEGINNING_OF_LAST_MONTH=`date -d "last month" '+%Y-%m-01'`

yunohost backup create -n $PREFIX$TODAY
cd /home/yunohost.backup/archives
rm `ls | grep $PREFIX | grep -v "$TODAY\|$YESTERDAY\|$DAY_BEFORE_YESTERDAY\|$LAST_SUNDAY\|$SUNDAY_BEFORE_LAST\|$BEGINNING_OF_MONTH\|$BEGINNING_OF_LAST_MONTH"`
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