#!/bin/sh
die () { echo "$*" >&2; exit 1; }
askyn () { read ans?"$1 [y/n] "; if [ $ans == "y" ]; then return 0; else return 1;fi }

if [ $TERM != "screen" ]; then
	if (! askyn "You sure you don't want to run this in a screen session?" ); then
		die "Exiting...";
	fi
fi

PATH=$PATH:/usr/sbin:/sbin
export PATH

cd /usr/obj && mkdir -p .old && sudo mv * .old && sudo rm -rf .old &
cd /usr/src && nice make obj || die "make obj failed"
nice make build || die "make build failed"