Implement much of the "package" library modules.

1 files changed, 301 insertions, 0 deletions

diff --git a/lib/package.sh b/lib/package.sh
new file mode 100644
index 0000000..938d67c
--- /dev/null
+++ b/lib/package.sh
@@ -0,0 +1,301 @@
+# opkbuild
+# lib/package
+# Interface for retrieving source and binary package metadata.
+#
+# 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 3 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_SM}" ] && return 0
+_OB_PACKAGE_SM='true'
+
+_OB_PACKAGE_DIR=
+_OB_PACKAGE_FORMAT=
+_OB_BINARY_PACKAGES=
+_OB_SOURCE_PARAMETERS=
+_OB_BINARY_PARAMETERS=
+
+ob_init_package()
+{
+	_ob_local _obip_dir _obip_orig_text_domain
+
+	if [ ${#} -eq 1 ]; then
+		_obip_dir="${1}"
+	else
+		_ob_return 125
+		return ${?}
+	fi
+
+	_OB_PACKAGE_DIR="${_obip_dir}"
+
+	if [ -r "${_OB_PACKAGE_DIR}/format" ]; then
+		case "$(cat "${_OB_PACKAGE_DIR}/format")" in
+			2.0)
+				_OB_PACKAGE_FORMAT='2'
+				;;
+		esac
+	fi
+
+	if [ -z "${_OB_PACKAGE_FORMAT}" ]; then
+		_obip_orig_text_domain="$(ob_get_text_domain)"
+		ob_set_text_domain 'libopkbuild.1'
+		ob_warn "$(ob_get_msg 'unable_to_detect_package_format')"
+		ob_set_text_domain "${_obip_orig_text_domain}"
+		_ob_return 1
+		return ${?}
+	fi
+
+	ob_use "package/${_OB_PACKAGE_FORMAT}"
+
+	_OB_BINARY_PACKAGES=
+
+	_ob_return 0
+	return ${?}
+}
+
+ob_parse_package_metadata()
+{
+	_ob_local _obppm_opt _obppm_cache_file _obppm_param
+
+	while getopts 'c:' _obppm_opt; do
+		case "${_obppm_opt}" in
+			c)
+				_obppm_cache_file="${OPTARG}"
+				;;
+			?)
+				_ob_return 125
+				return ${?}
+				;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+
+	if [ ${#} -gt 0 ]; then
+		_ob_return 125
+		return ${?}
+	fi
+
+	_ob_package_do 'parse_package_metadata'
+
+	if [ -n "${_obppm_cache_file}" ]; then
+		# FIXME: Finish.
+		for _obppm_param in ${_OB_SOURCE_PARAMETERS}; do
+			foo="$(echo "${foo}" | sed "s/'/'\\\\''/g")"
+			>>"${_obppm_cache_file}"
+		done
+		for _obppm_param in ${_OB_SOURCE_PARAMETERS}; do
+			:
+		done
+	fi
+
+	_ob_return 0
+	return ${?}
+}
+
+ob_get_binary_packages()
+{
+	_ob_local _obgbpk_opt _obgbpk_host_arch _obgbpk_pkgs
+
+	while getopts 'a:' _obgbpk_opt; do
+		case "${_obgbpk_opt}" in
+			a)
+				_obgbpk_host_arch="${OPTARG}"
+				;;
+			?)
+				_ob_return 125
+				return ${?}
+				;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+
+	if [ ${#} -gt 0 ]; then
+		_ob_return 125
+		return ${?}
+	fi
+
+	# NB: If a source package lists no binary packages, this will be true each
+	# call.
+	if [ -z "${_OB_BINARY_PACKAGES}" ]; then
+		_ob_package_do 'get_binary_packages'
+	fi
+
+	if [ -n "${_obgbpk_host_arch}" ]; then
+		for _obgbpk_pkg in ${_OB_BINARY_PACKAGES}; do
+			if ob_match_arch "${_obgbpk_host_arch}" "$(ob_get_binary_parameter \
+					"${_obgbpk_pkg}" 'Architecture')"; then
+				_obgbpk_pkgs="${_obgbpk_pkgs} ${_obgbpk_pkg}"
+			fi
+		done
+	else
+		_obgbpk_pkgs="${_OB_BINARY_PACKAGES}"
+	fi
+
+	IFS=' ' echo ${_obgbpk_pkgs}
+
+	_ob_return 0
+	return ${?}
+}
+
+ob_get_source_parameter()
+{
+	_ob_local _obgsp_name
+
+	if [ ${#} -eq 1 ]; then
+		_obgsp_name="${1}"
+	else
+		_ob_return 125
+		return ${?}
+	fi
+
+	# Convert field name to uppercase and validate.
+	_obgsp_name="$(echo "${_obgsp_name}" | tr 'a-z-' 'A-Z_')"
+	case "${_obgsp_name:- }" in
+		*[!A-Z0-9_]*)
+			_ob_return 125
+			return ${?}
+			;;
+	esac
+
+	eval echo "\"\$\{_OB_SRCFIELD_${_obgsp_name}\}\""
+
+	_ob_return 0
+	return ${?}
+}
+
+ob_get_binary_parameter()
+{
+	_ob_local _obgbp_package _obgbp_name
+
+	if [ ${#} -eq 2 ]; then
+		_obgbp_package="${1}"
+		_obgbp_name="${2}"
+	else
+		_ob_return 125
+		return ${?}
+	fi
+
+	if ! ob_validate_binary_package_name "${_obgbp_package}"; then
+		_ob_return 125
+		return ${?}
+	fi
+
+	# Convert package name to its uppercase "clean" form.
+	_obgbp_package="$(echo "${_obgbp_package}" | tr 'a-z' 'A-Z' | \
+		tr -dC 'A-Z0-9')"
+
+	# Convert field name to uppercase and validate.
+	_obgbp_name="$(echo "${_obgbp_name}" | tr 'a-z-' 'A-Z_')"
+	case "${_obgbp_name:- }" in
+		*[!A-Z0-9_]*)
+			_ob_return 125
+			return ${?}
+			;;
+	esac
+
+	eval echo "\"\$\{_OB_BINFIELD_${_obgbp_package}_${_obgbp_name}\}\""
+
+	_ob_return 0
+	return ${?}
+}
+
+ob_summarize_package_arch()
+{
+	_ob_local
+
+	if [ ${#} -gt 0 ]; then
+		_ob_return 125
+		return ${?}
+	fi
+
+	# XXX: Stub.
+
+	_ob_return 0
+	return ${?}
+}
+
+ob_summarize_package_plat()
+{
+	_ob_local
+
+	if [ ${#} -gt 0 ]; then
+		_ob_return 125
+		return ${?}
+	fi
+
+	# XXX: Stub.
+
+	_ob_return 0
+	return ${?}
+}
+
+_ob_package_do()
+{
+	_ob_local _obpd_func
+
+	_obpd_func="${1}"
+	shift 1
+
+	"_ob_${_obpd_func}_${_OB_PACKAGE_FORMAT}" "${@}"
+
+	_ob_return 0
+	return ${?}
+}
+
+_ob_set_binary_packages()
+{
+	_ob_local _obsbpk_packages
+
+	_obsbpk_packages="${1}"
+
+	_OB_BINARY_PACKAGES="${_obsbpk_packages}"
+
+	_ob_return 0
+	return ${?}
+}
+
+_ob_set_source_parameter()
+{
+	_ob_local _obssp_name _obssp_value
+
+	_obssp_name="${1}"
+	_obssp_value="${2}"
+
+	# FIXME: Name transformation and validation?
+
+	_OB_SOURCE_PARAMETERS="${_OB_SOURCE_PARAMETERS} ${_obssp_name}"
+
+	# Escape the value.
+	_obssp_value="$(echo "${_obssp_value}" | sed "s/'/'\\\\''/g")"
+
+	eval "_OB_SRCFIELD_${_obssp_name}=${_obssp_value}"
+}
+
+_ob_set_binary_parameter()
+{
+	_ob_local _obsbp_package _obsbp_name _obsbp_value
+
+	_obsbp_package="${1}"
+	_obsbp_name="${2}"
+	_obsbp_value="${3}"
+
+	# FIXME: Name transformation and validation?
+
+	_OB_BINARY_PARAMETERS="${_OB_BINARY_PARAMETERS} ${_obsbp_name}"
+
+	# Escape the value.
+	_obsbp_value="$(echo "${_obsbp_value}" | sed "s/'/'\\\\''/g")"
+
+	eval "_OB_BINFIELD_${_obsbp_package}_${_obsbp_name}=${_obsbp_value}"
+}