rsync backup 7 day

gistfile1.txt

#!/bin/bash
date=`date +%Y-%m-%d`
RETENTION_PERIOD="7"
HEADER="Backup data"
remove_oldfiles(){
      echo "Removing directory $1 files older than $RETENTION_PERIOD days" | wall
      find $1 -type f -mtime +$2 -exec rm '{}' \;
}

BACKUPDIR="/disk0/svn_backup/001/"
back_www_dir="/disk0/svn_backup/"

#
# 開始備份
#

cd $back_www_dir

for TARGET in $BACKUPDIR
do
      echo "rsync svn on /disk0/svn_backup/001/" | wall
      rsync -av -e ssh username@hosename:/var/www/svn /disk0/svn_backup/001/
      echo "System backup on $TARGET" | wall
      BASENAME=`basename $TARGET`
      tar -zcvf ${BASENAME}-${date}.tar.gz $TARGET 1>/dev/null
      sleep 2
done

#
# 刪除7天前的資料
#
remove_oldfiles $back_www_dir $RETENTION_PERIOD