date=`date +%Y.%m.%d_%H:%M:%S`
datefile=/backup/run/$date.inc
backup_file=/backup/bad/${date}.inc.cpio
md5_file=/backup/md5/${date}.inc.cpio
backup_done=/backup/files/${date}.inc.cpio
lastback=/backup/date/lastfull
lastfile=/backup/date/lastinc

backupdirs="home/hakhavan var/lib/mysql var/qmail var/vpopmail "


cd / 

trap " mv  $backup_file backup/bad/.; rm  $datefile; exit 1 " 1 2 3 15  
touch $datefile

if 
	(
	 echo -ne $datefile'\00'
	 echo -ne $lastback'\00'

	sleep 1
	# Print files first then directories...
	# prun two undwanted directories

	 find  $backupdirs \( \( -name core -o -regex 'home/hakhavan/misc' -o  -regex  'home/hakhavan/catalogs/[^/]*/(session|logs/usertrack)' -o -regex  'home/hakhavan/catalogs/[^/]*/tmp' -o -regex  'home/hakhavan/catalogs/[^/]*/error.log' \)  -prune \) -o  \( -newer $lastback ! -type d -print0 \)

	# printing dirs separately emulates the -depth option but
	# allows pruning to take place properly.

	find $backupdirs \( \( -regex  'home/hakhavan/catalogs/[^/]*/tmp' -0   -regex 'home/hakhavan/catalogs/[^/]*/(session)'  \)  -print0 -prune    \) -o \( -newer $lastback -type d -print0  \)
	)  |  nice cpio  -o --verbose --reset-access-time  --null  --format=crc -B  > $backup_file


then
	ln -f  $datefile $lastfile
	mv $datefile  backup/date/.
	mv  $backup_file $backup_done
	md5sum  $backup_done > $md5_file
	true
else
	rm  $datefile 
	false  # return with non-zero result code 
fi