#
# $Id: frontend.in,v 1.53 2004/03/24 18:36:01 jmmv Exp $
# bt_config's frontend.
#
# buildtool
# Copyright (c) 2002, 2003, 2004 Julio M. Merino Vidal.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name of the author nor the names of contributors may
#    be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

usage() {
    local exitstat=$1

    cat 1>&2 <<EOF
@PACKAGE@ version @VERSION@ - ${ProgName} module
usage: ${ProgName} [options]

Available options:
    {-d ,--dir-}NAME=value        Set directory \`NAME' to the given value.
    --disable-FEATURE             Set feature \`FEATURE' to \`no'.
    --enable-FEATURE              Set feature \`FEATURE' to \`yes'.
    {-f ,--feature-}NAME=value    Set feature \`NAME' to the given value.
    --ignore-sw-config            Ignore system wide configuration file.
    {-h,--help}                   Show this help message.
    {-p ,--prefix=}dir            Set installation prefix (/usr/local).
    {-w ,--workdir=}dir           Set work directory.

EOF
    echo "Directories used by this package (names are case insensitive):" 1>&2
    bt_dir_list
    echo 1>&2
    echo "Features supported by this package (names are case insensitive):" \
        1>&2
    bt_feature_list
    echo 1>&2
    echo "See buildtool(1) for more information." 1>&2

    exit ${exitstat}
}

main() {
    local argsorig counter load_sw_config

    btcmn_req_runtime
    btcmn_req_project

    if [ $(pwd) != ${BT_TOPDIR} ]; then
        btcmn_warn "pwd changed to ${BT_TOPDIR}"
        cd ${BT_TOPDIR}
    fi

    argsorig=
    load_sw_config=yes
    while [ $# -gt 0 ]; do
        echo $1 | grep ^- >/dev/null || break

        case $1 in
            --ignore-sw-config)
                load_sw_config=no
                ;;
            *)
                argsorig+=$1
                ;;
        esac
        shift
    done
    set -- ${argsorig} "$@"

    # Load bt_config base module
    . "@DIR_SHARE@/bt_config/base.subr"

    # Load system configuration
    if [ ${load_sw_config} = yes -a -f "@DIR_CONF@/bt_config.conf" ]; then
        echo "bt_config: loading system-wide configuration"
        . "@DIR_CONF@/bt_config.conf"
    fi

    btcmn_req_config
    bt_argsinit
    config_init

    while [ $# -gt 0 ]; do
        echo $1 | grep '^-' >/dev/null || break

        case $1 in
            -d)
                bt_dir_parse "$2"
                shift
                ;;
            --dir-*)
                bt_dir_parse "`echo $1 | sed -e s/--dir-//`"
                ;;
            --disable-*)
                bt_feature_parse "`echo $1 | sed -e s/--disable-//`=no"
                ;;
            --enable-*)
                bt_feature_parse "`echo $1 | sed -e s/--enable-//`=yes"
                ;;
            -f)
                bt_feature_parse "$2"
                shift
                ;;
            --feature-*)
                bt_feature_parse "`echo $1 | sed -e s/--feature-//`"
                ;;
            -h|--help)
                usage 0
                ;;
            -H)
                btcmn_err "\`-H' is deprecated, use \`-h' alone"
                ;;
            -p)
                BT_PREFIX="$2"
                shift
                ;;
            --prefix=*)
                BT_PREFIX="`echo $1 | sed -e 's/--prefix=//'`"
                ;;
            -w)
                BT_WORKDIR="$2"
                shift
                ;;
            --workdir=*)
                BT_WORKDIR="`echo $1 | sed -e 's/--workdir=//'`"
                ;;
            --)
                shift; break
                ;;
            *)
                btcmn_warn "ignoring unknown modifier \`$1'"
                ;;
        esac
        shift
    done

    echo ${BT_WORKDIR} | grep ^/ >/dev/null 2>&1 || \
        btcmn_err "path to work directory must be absolute"

    # Parse the script
    bt_init
    config
    bt_finish

    echo
    echo "===========================================================================" # NOLINT
    echo "Configuration summary for ${BT_PKG_NAME}-${BT_PKG_VERSION}:"
    echo
    counter=0
    while [ ${counter} -lt ${bt_msg_summary_count} ]; do
        eval eval echo \""'    '"\${bt_msg_summary_${counter}}""\"
        counter=$((${counter} + 1))
    done
    echo
    echo "===========================================================================" # NOLINT
    echo

    return 0
}

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# mode: shell-script ***
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# vim: syntax=sh