From e206c6620ac6c3f2fd01dd2d1b1390e6e262cd8f Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Tue, 06 Mar 2012 13:39:44 -0500
Subject: Rename all source files.

---
(limited to 'src/oh-gencontrol.sh')

diff --git a/src/oh-gencontrol.sh b/src/oh-gencontrol.sh
new file mode 100644
index 0000000..39b9835
--- /dev/null
+++ b/src/oh-gencontrol.sh
@@ -0,0 +1,207 @@
+#! /bin/sh
+#
+# opkhelper
+# src/oh-gencontrol
+# Generates a control directory with a control file and scripts.
+#
+# 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/>.
+
+. @@LIBDIR@@/opkhelper/controlfields
+. @@LIBDIR@@/opkhelper/architecture
+
+print_usage()
+{
+	printf 'Usage: %s -s | pkgname...\n' "$1"
+}
+
+missing_field()
+{
+	printf 'oh-gencontrol: Error: Missing field "%s" in control file.\n' \
+		"${1}" >&2
+	exit 2
+}
+
+invalid_pkg_name()
+{
+	printf 'oh-gencontrol: Error: Invalid package name: "%s"\n' "${1}" >&2
+	exit 2
+}
+
+copy_required_field()
+{
+	if [ ${#} -eq 2 ]; then
+		{ printf '%s: ' "${1}" && oh_get_field "${1}";} >> "${2}"
+		[ ${?} -eq 1 ] && missing_field "${1}"
+	else
+		{ printf '%s: ' "${2}" && oh_get_field "${1}" "${2}";} >> "${3}"
+		[ ${?} -eq 1 ] && missing_field "${2}"
+	fi
+}
+
+copy_optional_field()
+{
+	if [ ${#} -eq 2 ]; then
+		field=$(printf '%s: ' "${1}" && oh_get_field "${1}")
+		[ ${?} -eq 0 ] && printf '%s\n' "${field}" >> "${2}"
+	else
+		field=$(printf '%s: ' "${2}" && oh_get_field "${1}" "${2}")
+		[ ${?} -eq 0 ] && printf '%s\n' "${field}" >> "${3}"
+	fi
+}
+
+gen_control_src()
+{
+	srcpkg=$(oh_get_field Source) || missing_field Source
+	oh_validate_pkg_name "${srcpkg}" || invalid_pkg_name "${srcpkg}"
+
+	printf 'oh-gencontrol: Generating control directory for package "%s"...\n' \
+		"${srcpkg}-src"
+
+	control_dir="${srcpkg}-src.control"
+	control="${control_dir}/control"
+
+	mkdir "${control_dir}"
+	chmod 755 "${control_dir}"
+
+	printf 'Package: %s\n' "${srcpkg}-src" > ${control}
+	printf 'Source: %s\n' "${srcpkg}" >> ${control}
+	copy_required_field Version ${control}
+	printf 'Architecture: all\n' >> ${control}
+	# TODO: Calculate "Installed-Size".
+	copy_required_field Maintainer ${control}
+	copy_optional_field Homepage ${control}
+
+	chmod 755 ${control}
+}
+
+gen_control_bin()
+{
+	binpkg="${1}"
+	oh_validate_pkg_name "${binpkg}" || invalid_pkg_name "${binpkg}"
+
+	printf 'oh-gencontrol: Generating control directory for package "%s"...\n' \
+		"${binpkg}"
+
+	data_dir="${binpkg}.data"
+	control_dir="${binpkg}.control"
+	control="${control_dir}/control"
+
+	mkdir "${control_dir}"
+	chmod 755 "${control_dir}"
+
+	# Binary and source package names and version.
+	copy_required_field ${binpkg} Package ${control}
+	copy_required_field Source ${control}
+	copy_required_field Version ${control}
+
+	# Handle architecture.
+	{ printf 'Architecture: ' && oh_get_package_architecture ${binpkg};} \
+		>> ${control}
+	[ ${?} -eq 1 ] && missing_field Architecture
+
+	# Optional fields.
+	copy_optional_field ${binpkg} Essential ${control}
+	copy_optional_field ${binpkg} Depends ${control}
+	copy_optional_field ${binpkg} Recommends ${control}
+	copy_optional_field ${binpkg} Suggests ${control}
+	copy_optional_field ${binpkg} Pre-Depends ${control}
+	copy_optional_field ${binpkg} Conflicts ${control}
+	copy_optional_field ${binpkg} Provides ${control}
+	copy_optional_field ${binpkg} Replaces ${control}
+
+	# TODO: Calculate "Installed-Size".
+	copy_required_field Maintainer ${control}
+	copy_required_field ${binpkg} Description ${control}
+	copy_optional_field Homepage ${control}
+
+	chmod 644 ${control}
+
+	# Maintainer scripts.
+	for script in preinst postinst prerm postrm; do
+		if [ -L ../${binpkg}.pkg/${script} ]; then
+			target=$(ls -l "../${binpkg}.pkg/${script}" | \
+				sed 's/^.* -> \(.*\)$/\1/')
+			ln -s ${target} ${control_dir}/${script}
+		elif [ -f ../${binpkg}.pkg/${script} ]; then
+			cp ../${binpkg}.pkg/${script} ${control_dir}
+			chmod 755 ${control_dir}/${script}
+		fi
+	done
+
+	# Conffiles.
+	# Adapted from dh_installdeb of debhelper.
+	if [ -d ${data_dir}/etc ]; then
+		find ${data_dir}/etc -type f | sed "s@^${data_dir}@@" \
+			>> ${control_dir}/conffiles
+		if [ -z "$(head -n 1 ${control_dir}/conffiles)" ]; then
+			rm -f ${control_dir}/conffiles
+		else
+			chmod 644 ${control_dir}/conffiles
+		fi
+	fi
+
+	# MD5 checksums.
+	find ${data_dir} -type f | sort | xargs md5sum | sed "s@  ${data_dir}@  @" \
+		> ${control_dir}/md5sums
+	if [ -z "$(head -n 1 ${control_dir}/md5sums)" ]; then
+		rm -f ${control_dir}/md5sums
+	else
+		chmod 644 ${control_dir}/md5sums
+	fi
+}
+
+if [ ${#} -eq 0 ]; then
+	print_usage ${0} >&2
+	exit 1
+fi
+
+is_src=false
+opts=$(getopt -n "${0}" -o 's' -- "${@}")
+if [ ${?} -ne 0 ]; then
+	print_usage "${0}" >&2
+	exit 1;
+fi
+eval set -- "${opts}"
+while true; do
+	case "${1}" in
+		-s)
+			is_src=true
+			shift
+			;;
+		--)
+			shift
+			break
+			;;
+		*)
+			print_usage "${0}" >&2
+			exit 1
+			;;
+	esac
+done
+
+if ${is_src}; then
+	gen_control_src
+else
+	if [ ${#} -eq 0 ]; then
+		print_usage "${0}" >&2
+		exit 1
+	fi
+
+	while [ ${#} -gt 0 ]; do
+		gen_control_bin "${1}"
+		shift
+	done
+fi
--
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