#!/bin/bash
#
# File Backup Script
# 
# 
# lukewill at mambogtt (.) de
#


####################################################
# please check the parameters below !!!

# logfile is saved here
LOG=/var/log/sitebackup.log

echo "------------------------------------------------------------------------">>$LOG
echo "`date`">>$LOG
echo "------------------------------------------------------------------------">>$LOG

# the backup are saved in this directory
DUMPDIR=/home/sitebackup 

# the maxium backup per day
MAXARCHIVDIRS=24

# older files where deleted
MAXHOLDDAYS=3

# we look for the compressing programm in this location
ZIPPROC=/usr/bin/gzip

# parameters for ZIPPROC
ZIPPP="--best"

# dir's to backup
DIR='/srv/www/htdocs/web99/sites/myMambosite
	/srv/www/htdocs/web99/sites/Testseite
	/srv/www/htdocs/web66/sites/demo.mambo.net

'
#
# STOP !  It is done. 
####################################################

tarit () {
	while [ -n "$1" ] 
	do
		d=$1
		shift;
		d=`echo $d|sed 's/\/$//'`
		cddir=`echo $d|sed 's/\/[^\/]*$//'`
		tardir=`echo $d|sed 's/^.*\///'`
			
		if [ -d $d ] 
		then	
			echo "Backup DIR #$d#">>$LOG
                                       if [ -n "$cddir" ]
                                       then
                                           cd $cddir
                                       else
                                           cd /
                                       fi
			
			tar cf - "$tardir" > $DUMPDIR/$ARCHIVDIR/$tardir.tar
		else
			echo "Fail $d">>$LOG	
		fi
	done
}


#################################
clean () {
	cd $DUMPDIR
	echo "delete: `find . -type d -mtime +$MAXHOLDDAYS -print`">>$LOG
	find . -type d -mtime +$MAXHOLDDAYS -print0|xargs -0 rm -rf 
}

#################################
zip () {
	cd $ARCHIVDIR
	if test -x $ZIPPROC
	then
		for n in *
		do
			$ZIPPROC $ZIPPP $n
		done
	fi
}

#################################

ARCHIVDIR=`date +%Y%m%d`
cd $DUMPDIR
i=1
if [ -d $ARCHIVDIR ]
then
        b="$ARCHIVDIR#$i"
        while [ -d $b ]
        do
                let i=i+1
                b="$ARCHIVDIR#$i"
                if [ $i -gt $MAXARCHIVDIRS ]
                then
                        echo "MAXARCHIVDIRS limit reached -> exit">>$LOG
                        exit 0
                fi
        done
        echo "ARCHIVDIR: $b">>$LOG
        ARCHIVDIR=$b
fi
mkdir $ARCHIVDIR
cd $ARCHIVDIR

# main
	tarit $DIR
	clean
	zip
	echo "THE END">>$LOG
	echo "------------------------------------------------------------------------">>$LOG