compare_kernel_config.sh

FILE1=$1
FILE2=$2

if [[ -z "$FILE1" ]] || [[ -z "$FILE2" ]] ; then
    echo "Must add two different config files"
    exit 1
fi



compare() {

    for LINE in `grep CONFIG $1  | sed 's/^#//g;s/^ //g;s/ is not set/=/g'`; do
        CONFIG_NAME=$(echo $LINE | cut -f1 -d=);
        CONFIG_VALUE=$(echo $LINE | cut -f2 -d=);

        NEW=`grep $CONFIG_NAME"=" $2 | grep '=' | sed 's/\(.*\)=\(.*\)/\2/'`;

        if [[ -z "$NEW" ]] && [[ -z "$CONFIG_VALUE" ]] ; then
            continue;
        fi

        if [[ -z "$NEW" ]]; then
            echo "Empty on "$2" "$LINE;
            continue;
        fi

        if [ "$CONFIG_VALUE" != "$NEW" ]; then
            echo "On "$1" "$LINE" ; new value on "$2" "$NEW;
        fi
        NEW="";
    done
}

compare $FILE1 $FILE2 false
compare $FILE2 $FILE1 true