DIR=/opt/minefield32
LATEST="$(wget -O - -q http://nightly.mozilla.org | grep "Linux Intel" | tail -n1 | sed -r 's%.+(http://.+\.tar.bz2).+%\1%')"
FILE=$(mktemp /tmp/nightlyXXXXXX.tar.bz2)

mkdir -p "$DIR"
find "$DIR" -mindepth 1 -delete
wget -O "$FILE" "$LATEST"
if [[ $? -ne 0 ]]; then
	echo "Error downloading nightly." >&2
	exit 1
fi
tar xjvf "$FILE" -C "$DIR" --strip-components 1
rm "$FILE"