# Pack binary package files into an opk file
#
# Copyright (C) 2012 Patrick McDermott
#
# This file is part of opkbuild.
#
# opkbuild 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 3 of the License, or
# (at your option) any later version.
#
# opkbuild 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 opkbuild.  If not, see <http://www.gnu.org/licenses/>.

set -eu

build_opk()
{
	local binary="${1}"
	local version="${2}"
	local arch="${3}"
	local plat="${4}"
	shift 4

	ob_info "$(ob_get_msg 'build_opk')" \
		"${binary}_${version}_${arch}_${plat}.opk"

	(cd -- "${binary}.data" && tar -czf '../data.tar.gz' '.')
	(cd -- "${binary}.control" && tar -czf '../control.tar.gz' '.')

	tar -czf "../../${binary}_${version}_${arch}_${plat}.opk" \
		'debian-binary' 'data.tar.gz' 'control.tar.gz'
	rm -Rf 'data.tar.gz' 'control.tar.gz'

	return 0
}

main()
{
	local pkg=
	local arch=
	local plat=

	if ! ob_set_text_domain 'opkbuild'; then
		printf '%s: Error: Failed to load locale messages\n' \
			"${0##*/}" >&2
		return 1
	fi

	ob_init_package '..' || return 1

	printf '2.0\n' >'debian-binary'
	if [ x"${OB_DO_SOURCE:+set}" = x'set' ]; then
		build_opk "src-${OPK_SOURCE}" "${OPK_SOURCE_VERSION}" \
			'src' 'all'
	else
		for pkg in ${OPK_PACKAGES_REDUCED}; do
			arch="$(ob_get_binary_parameter "${pkg}" \
				'Architecture')"
			[ x"${arch}" != x'all' ] && arch="${OPK_HOST_ARCH}"
			plat="$(ob_get_binary_parameter "${pkg}" 'Platform')"
			[ x"${plat}" != x'all' ] && plat="${OPK_HOST_PLAT}"
			build_opk "${pkg}" "${OPK_BINARY_VERSION}" \
				"${arch}" "${plat}"
		done
	fi
	rm 'debian-binary'

	return 0
}