#!/usr/bin/env bash

LIST="@KCFG_LIST@"

main() {
    local kcfg="${1}"; shift
    local k

    case "${kcfg}" in
    "")         error "what should I do (see -h)?\n";;
    -h|--help)  help; exit 0;;
    -*)         error "no such option '%s'\n" "${kcfg}";;
    esac

    for k in ${LIST}; do
        if [ "${kcfg}" = "${k}" ]; then
            exec kconfig-${kcfg} "${@}"
            error "cannot execute tool '%s'\n" "${kcfg}"
        fi
    done
    error "no such tool '%s'\n" "${kcfg}"
}

help() {
    cat <<-_EOF_
NAME
    kconfig - meta-frontend to kconfig tools

SYNOPSIS
    kconfig -h|--help
    kconfig <kconfig-tool> [option ...]

DESCRIPTION
    kconfig is the meta-frontend to all other kconfig tools:
        ${LIST}

    The acceptable options depend on what tool is being called.
_EOF_
}

error() {
    local fmt="${1}"; shift

    printf "kconfig: ${fmt}" "${@}" >&2
    exit 1
}

main "${@}"