docroot_backup.sh

#!/bin/sh

SOURCEDIR=/path/to/docroot
DESTDIR=/path/to/backup/dir
NAME=<site-name>
RETENTION=2
let MMIN=($RETENTION*60*24)-180
DATE=`date +%Y-%m-%d-%H-%M`
EXCLUDE=""

if [ ! -d $DESTDIR ]
then
  /bin/mkdir -p $DESTDIR
fi

/usr/bin/find $DESTDIR -type f -name '*.tar.gz' -mmin +$MMIN | xargs /bin/rm -rf
/bin/tar -czf $DESTDIR/$NAME-$DATE.tar.gz $SOURCEDIR `if [[ -n "$EXCLUDE" ]]; then find $EXCLUDE -maxdepth 0 -print0 | while read -d $'\0' file; do echo " --exclude $file"; done; fi`