#!/bin/sh

PREPOST="$1"
shift
TBUILD="$1"
shift
shift
EXTRA_PACKS="$@"
FILE="build/${TBUILD}/.config"

[ -z "$TBUILD" ] || [ ! -d "build/$TBUILD" ] || [ ! -f "$FILE" ] && exit 1

for i in $EXTRA_PACKS; do
	AUX="$(grep $i $FILE)"
	[ ! -z "$AUX" ] && {
		[ "$PREPOST" = "PRE_BUILD" ] && echo "- Adding extra package: $i" >&2 && sed -i -e s/"${AUX}"/"CONFIG_PACKAGE_$i=y"/g $FILE 
		[ "$PREPOST" = "POST_BUILD" ] && echo "- Removing extra package: $1" >&2 && sed -i -e s/"${AUX}"/"# CONFIG_PACKAGE_$i is not set"/g $FILE
	}	
done