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# Install package documentation into a binary package staging area
#
# 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/>.

. "${LIBDATADIR}/libopkbuild.${SHSOEXT}.${LIBOPKBUILD_SHSOVERSION}"

main()
{
	ob_set_text_domain 'opkbuild'

	ob_init_package '..' || exit 1
	ob_parse_package_metadata -c '.opkbuild.cache' || exit 1

	doc_pkg="$(ob_get_doc_package)"
	if [ ${?} -ne 0 ]; then
		ob_error "$(ob_get_msg 'cant_get_doc_pkg')"
	fi
	doc_pkg_doc_dir="$(ob_get_system_path 'package-docs' \
		"${doc_pkg}" "${OPK_BINARY_VERSION}")"

	for pkg in ${OPK_PACKAGES_REDUCED}; do
		doc_dir="$(ob_get_system_path 'package-docs' \
			"${pkg}" "${OPK_BINARY_VERSION}")"
		data_doc_dir="${pkg}.data/${doc_dir%/}"
		if [ "${pkg}" = "${doc_pkg}" ]; then
			if [ -d "${data_doc_dir}" ]; then
				ob_info "$(ob_get_msg 'docs_already_installed')" "${pkg}"
			else
				ob_info "$(ob_get_msg 'installing_docs')" "${pkg}"
				mkdir -p "${data_doc_dir}" || \
					ob_error "$(ob_get_msg 'cant_make_doc_dir')"
				while read srcs dest; do
					install_docs "${srcs}" "${dest}" \
						"${data_doc_dir}"
				done <<-EOF
					$(ob_get_doc_files "${OPK_HOST_ARCH}" \
						"${OPK_HOST_PLAT}")
					EOF
			fi
		else
			if [ -L "${data_doc_dir}" ]; then
				ob_info "$(ob_get_msg 'docs_already_linked')" "${pkg}"
			else
				ob_info "$(ob_get_msg 'linking_docs')" "${pkg}"
				mkdir -p "${data_doc_dir%/*}" || \
					ob_error "$(ob_get_msg 'cant_make_doc_dir')"
				ln -s "${doc_pkg_doc_dir}" "${data_doc_dir}" || \
					ob_error "$(ob_get_msg 'cant_ln_doc_dir')"
			fi
		fi
	done
}

install_docs()
{
	srcs="${1}"
	dest="${2}"
	data_doc_dir="${3}"

	for src in ${srcs}; do
		if [ -f "${src}" ]; then
			if [ "${dest%/*}" != "${dest}" ]; then
				mkdir -p "${data_doc_dir}/${dest%/*}" || \
					ob_error "$(ob_get_msg 'cant_make_doc_dir')"
			fi
			cp -R "${src}" "${data_doc_dir}/${dest}" || \
				ob_error "$(ob_get_msg 'cant_cp_doc_file')" "${src}"
		elif [ -d "${src}" ]; then
			if [ "${dest%/*}" != "${dest}" ]; then
				mkdir -p "${data_doc_dir}/${dest%/*}" || \
					ob_error "$(ob_get_msg 'cant_make_doc_dir')"
			fi
			cp -R "${src}/." "${data_doc_dir}/${dest}" || \
				ob_error "$(ob_get_msg 'cant_cp_doc_file')" "${src}"
		fi
	done
}

main "${@}"