#!/usr/bin/env bash

set -e

die () {
        echo >&2 "$1"
        exit 1
}

usage () {
        die "usage: $name [--exclude <path> ...]"
}


name=$(basename "$0")
dir=$(dirname "$0")
root=$(cd "$dir/.." && pwd)
bin="$root/bin"

declare -a exclude
while [ "$#" -gt 0 ]; do
    case "$1" in
        "--exclude")
            shift
            if [ "$#" -gt 0 ]; then
                exclude+=("$1");
                shift
            fi
            ;;
        *) usage
           ;;
    esac
done

doit () {
    # rm -rf '.#'* .*~ *~ *.a *.o .cm core mlmon.out svn-commit.*
    "$bin/ls-ignore" | xargs rm -rf
    for f in *; do
        if [ -d "$f" ]; then
            for ((i=0; i < ${#exclude[*]}; i++)); do
                if [ "$f" == "${exclude[$i]}" ]; then
                    continue 2
                fi
            done
            cd "$f"
            if [ -r Makefile ]; then
                "$bin/mmake" clean || doit
            else
                doit
            fi
            cd ..
        fi
    done
}

doit