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# opkbuild
# lib/package/2
# Functions for retrieving metadata from packages in SPF 2.0.
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# 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, see <http://www.gnu.org/licenses/>.

[ -n "${_OB_PACKAGE_2_SM}" ] && return 0
_OB_PACKAGE_2_SM='true'

ob_use control
ob_use changelog

_OB_SOURCE_FIELDS_REQUIRED_2='Maintainer'
_OB_SOURCE_FIELDS_OPTIONAL_2='Build-Depends Homepage'
_OB_BINARY_FIELDS_REQUIRED_2='Architecture Platform Description'
_OB_BINARY_FIELDS_OPTIONAL_2='Essential Depends Recommends Suggests '\
'Pre-Depends Conflicts Provides Replaces'
_OB_CURRENT_PACKAGE_2=

_ob_parse_package_metadata_2()
{
	_ob_local _obppm2_pkg

	ob_parse_control "${_OB_PACKAGE_DIR}/control" _ob_srcfield_2 \
		"${_OB_SOURCE_FIELDS_REQUIRED_2}" "${_OB_SOURCE_FIELDS_OPTIONAL_2}"
	ob_parse_changelog "${_OB_PACKAGE_DIR}/changelog" _ob_change_2

	for _obppm2_pkg in $(ob_get_binary_packages); do
		_OB_CURRENT_PACKAGE_2="${_obppm2_pkg}"
		ob_parse_control "${_OB_PACKAGE_DIR}/${_obppm2_pkg}.pkg/control" \
			_ob_binfield_2 \
			"${_OB_BINARY_FIELDS_REQUIRED_2}" "${_OB_BINARY_FIELDS_OPTIONAL_2}"
	done

	_ob_return 0
	return ${?}
}

_ob_get_binary_packages_2()
{
	_ob_local _obgbp2_pkgs _obgbp2_pkg_control

	for _obgbp2_pkg_control in "${_OB_PACKAGE_DIR}/"*'.pkg/control'; do

		_obgbp2_pkg_control="${_obgbp2_pkg_control%.pkg/control}"
		_obgbp2_pkg_control="${_obgbp2_pkg_control##*/}"

		ob_validate_binary_name "${_obgbp2_pkg_control}"

		_obgbp2_pkgs="${_obgbp2_pkgs} ${_obgbp2_pkg_control}"

	done

	_ob_set_binary_packages "${_obgbp2_pkgs}"

	_ob_return 0
	return ${?}
}

_ob_srcfield_2()
{
	_ob_local

	_ob_set_source_parameter "${OB_CONTROL_NAME}" "${OB_CONTROL_VALUE}"

	_ob_return 0
	return ${?}
}

_ob_change_2()
{
	_ob_local

	_ob_set_source_parameter Source "${OB_CHANGELOG_SOURCE}"
	_ob_set_source_parameter Version "${OB_CHANGELOG_VERSION}"
	_ob_set_source_parameter Distribution "${OB_CHANGELOG_DISTRIBUTION}"
	_ob_set_source_parameter Changes "${OB_CHANGELOG_CHANGES}"
	_ob_set_source_parameter Uploader "${OB_CHANGELOG_MAINTAINER}"
	_ob_set_source_parameter Date "${OB_CHANGELOG_DATE}"

	# Parse only the first changelog entry.
	_ob_return 1
	return ${?}
}

_ob_binfield_2()
{
	_ob_local

	_ob_set_binary_parameter "${_OB_CURRENT_PACKAGE_2}" "${OB_CONTROL_NAME}" \
		"${OB_CONTROL_VALUE}"

	_ob_return 0
	return ${?}
}

_ob_get_doc_package_2()
{
	_ob_local _obgdp2_pkg _obgdp2_doc_pkg

	for _obgdp2_pkg in $(ob_get_binary_packages); do
		if [ -r "${_OB_PACKAGE_DIR}/${_obgdp2_pkg}.pkg/docs" ]; then
			if [ -n "${_obgdp2_doc_pkg}" ]; then
				_ob_return 1
				return ${?}
			fi
			_obgdp2_doc_pkg="${_obgdp2_pkg}"
		fi
	done

	if [ -z "${_obgdp2_doc_pkg}" ]; then
		_ob_return 1
		return ${?}
	fi

	echo "${_obgdp2_doc_pkg}"

	_ob_return 0
	return ${?}
}

_ob_get_doc_files_2()
{
	_ob_local _obgdf2_arch _obgdf2_plat _obgdf2_doc_pkg

	_obgdf2_arch="${1}"
	_obgdf2_plat="${2}"

	_obgdf2_doc_pkg="$(_ob_get_doc_package_2)"

	cat <<-EOF
		../copyright
		../changelog changelog.dist
		../README README.dist
		EOF
	cat "${_OB_PACKAGE_DIR}/${_obgdf2_doc_pkg}.pkg/docs"

	_ob_return 0
	return ${?}
}

_ob_set_package_substvars_2()
{
	_ob_local _obspsv2_pkg

	if [ ${#} -eq 1 ]; then
		_obspsv2_pkg="${1}"
	else
		_ob_return 125
		return ${?}
	fi

	if [ -f "${_OB_PACKAGE_DIR}/substvars" ]; then
		ob_parse_control "${_OB_PACKAGE_DIR}/substvars" _ob_substvar_2
	fi

	ob_set_substvar 'Source-Version' "$(ob_get_source_parameter 'Version')"
	ob_set_substvar 'Binary-Version' "$(ob_get_source_parameter 'Version')"
}

_ob_substvar_2()
{
	_ob_local

	ob_set_substvar "${OB_CONTROL_NAME}" "${OB_CONTROL_VALUE}"

	_ob_return 0
	return ${?}
}