#! /bin/bash 
BAK=/v/120/bak

if [ $# -gt 1 ]; then
	echo "Usage: ${0} full		(full backup)"
	echo "       ${0}		(incremental backup)"
	exit 1
fi
if [ $# -eq 1 ] && [ ! $1 = full ]; then
	echo "Usage: ${0} full		(full backup)"
	echo "       ${0}		(incremental backup)"
	exit 1
fi

cd $BAK
last=`ls paulo.[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9].tgz 2>/dev/null |tail -1`
datelast=`echo $last | cut -c7-16`

TODAY=
if [ "$1" = "full" ]; then DATE=`date +%Y-%m-%d`
else DATE=$datelast; TODAY=.`date +%Y%m%d`
fi

if [ "$datelast" = "$NULL" ] && [ ! "$1" = "full" ]; then
	echo "No full backup to do an incremental one over it. Bye!"
	exit 1
fi

cd /l/011
   tar czpBv \
   --file=${BAK}/conf.${DATE}${TODAY}.tgz \
   --label="`hostname` conf $DATE" \
   --listed-incremental=${BAK}/conf.${DATE}.ref \
   conf

cd /l/011/home
for DIR in *; do
   tar czBpv \
   --file=${BAK}/${DIR}.${DATE}${TODAY}.tgz \
   --label="`hostname` $DIR $DATE" \
   --listed-incremental=${BAK}/${DIR}.${DATE}.ref \
   $DIR
done

exit 0