#!/bin/sh
set -e

if [ -e /etc/kernel/postinst.d/lliurex-tcos ]; then
   rm -f /etc/kernel/postinst.d/lliurex-tcos 2>/dev/null ||true
fi

ISO_MODELS="modelo-biblio modelo-centro modelo-client modelo-desktop modelo-infantil modelo-lite modelo-music modelo-pime modelo-server"
OLD_PATH="/var/lib/tcos/tftp"
NEW_PATH="/net/zero-net-boot/tftp"

case $1 in
	upgrade)
		if dpkg --compare-versions $2 le 0.63; then
			for model in $ISO_MODELS; do
				if [ -e "$OLD_PATH/$model" ] && [ ! -h "$OLD_PATH/$model" ]; then
					SIZE_NET=$(df --total /net | tail -1 | awk '{print $4}')
					SIZE_MODEL=$(du -s $OLD_PATH/$model | awk '{print $1}')
					SIZE_MODEL=$(($SIZE_MODEL + 10000))

					mkdir -p $NEW_PATH/$model 2>/dev/null >/dev/null || true
					if [ $SIZE_NET -ge $SIZE_MODEL ] && [ -d "$NEW_PATH/$model" ]; then 
						if [ -d "$OLD_PATH/$model/casper" ]; then
							SIZE_MODEL=$(du -hs $OLD_PATH/$model | awk '{print $1}')
							printf "    Moving $SIZE_MODEL of $model to new location $NEW_PATH...  "
							if ! mv $OLD_PATH/$model/casper $NEW_PATH/$model/ 2>/dev/null >/dev/null; then
								echo "FAILED, please reload your ISO in zero-net-boot."
								rm -rf $NEW_PATH/$model/* 2>/dev/null >/dev/null || true
							else 
								echo "OK"
							fi
						fi
						rm -rf $OLD_PATH/$model 2>/dev/null >/dev/null || true
					fi
				fi
			done
		fi
	;;
esac

#DEBHELPER#

exit 0