#!/bin/sh
# -*- mode: shell-script; coding: utf-8 -*-
#
# debconf-get
#
# Retrieve given debconf value.
#
# Copyright (C) 2012 Elmar Hoffmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#

set -e

if [ $# -ne 2 ]; then
    echo "Usage: $(basename "$0") OWNER NAME"
    exit 2
fi

owner="$1"
name="$2"

debconf-copydb --config='Name:stdout' --config='Driver:Pipe' \
    --config='InFd:none' \
    --owner-pattern="^${owner}\$" --pattern="^${name}\$" configdb stdout \
    | sed --quiet --expression='s/^Value:[[:space:]]//p'
