Add backup.sh

backup.sh

@@ -0,0 +1,20 @@
+#!/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"`
+yunohost backup list