#!/bin/sh
opkg update

PACKAGES=$(opkg list-upgradable | cut -d' ' -f1 | sed ':a;N;$!ba;s/\n/ /g')
if [ ! -z "${PACKAGES}" ]; then
	echo "This will upgrade the following packages:"
	echo "${PACKAGES}"
	echo ""
	read -p "Press [Enter] key to start, or [CTRL]-C (^C) to cancel..."
	opkg upgrade ${PACKAGES}
else
	echo "All currently installed packages are up-to-date."
fi