#!/bin/sh

set -e

self="$(basename "$0")"

do_make() {
    make CROSS_COMPILE=arm-linux-gnueabi- "$@"
}

distclean() {
    do_make distclean "$@"
}

config() {
    do_make omap3_beagle_config "$@"
}

build() {
    do_make -j2 "$@"
}

check_clean() {
    clean_output="$(git clean -x -d -n "$@" 2>&1)"
    if [ -n "$clean_output" ]; then
        echo "Expected a clean tree but got: $clean_output" >&2
        exit 1
    fi
}

objdir=""
cleanup() {
    if [ -n "$objdir" ]; then
        rm -rf "$objdir"
    fi
}
trap "cleanup" 0 1 2 3 9 11 13 15

objdir="$(mktemp -dt)"

# this will stop the test if the tree isn't clean to start with
check_clean

for with_objdir in yes no; do
    echo "I: objdir: $with_objdir" >&2
    for seq in "distclean" "config distclean" "config build distclean"; do
        echo "I: sequence: $seq" >&2
        for step in $seq; do
            echo "I: step: $step" >&2
            if [ "$with_objdir" = yes ]; then
                $step "O=$objdir" >/dev/null 2>&1
            else
                $step >/dev/null 2>&1
            fi
        done
        check_clean
    done
done