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/opkbuild.sh')

diff --git a/src/opkbuild.sh b/src/opkbuild.sh
new file mode 100644
index 0000000..faa72ef
--- /dev/null
+++ b/src/opkbuild.sh
@@ -0,0 +1,258 @@
+#! /bin/sh
+#
+# opkhelper
+# src/opkbuild
+# Build opkg packages.
+#
+# 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
+. @@LIBDIR@@/opkhelper/archive
+
+print_usage()
+{
+	printf 'Usage: %s [-r assume-uid0-cmd] [-p target-platform] [-d]\n' "${1}"
+}
+
+error()
+{
+	[ ${#} -eq 1 ] && printf 'opkbuild: [%s] Error\n' "${1}" >&2
+	if ${dbg}; then
+		printf 'opkbuild: Starting debugging shell...\n' >&2
+		/bin/sh
+	fi
+	cd ..
+	rm -Rf tmp 2> /dev/null
+	exit 1
+}
+
+opts=$(getopt -n "${0}" -o 'r:p:d' -- "${@}")
+if [ ${?} -ne 0 ]; then
+	print_usage "${0}" >&2
+	exit 1;
+fi
+eval set -- "${opts}"
+while true; do
+	case "${1}" in
+		-r)
+			uid0_cmd=${2}
+			shift 2
+			;;
+		-p)
+			platform=${2}
+			shift 2
+			;;
+		-d)
+			dbg=true
+			shift
+			;;
+		--)
+			shift
+			break
+			;;
+		*)
+			print_usage "${0}" >&2
+			exit 1
+			;;
+	esac
+done
+
+if [ -z "${uid0_cmd}" ]; then
+	uid0_cmd=fakeroot
+fi
+${uid0_cmd} true
+if [ ${?} -ne 0 ]; then
+	printf 'opkbuild: Error running command to gain UID 0\n' >&2
+	exit 1
+fi
+if [ -z "${dbg}" ]; then
+	dbg=false
+fi
+
+# Sanity checks.
+printf 'opkbuild: Checking for sanity...\n'
+if [ ! -f format -o ! -f build -o ! -f control ]; then
+	printf 'Error: Current working directory is not a source package.\n' >&2
+	exit 1
+fi
+if [ "$(cat format)" != '1.0' ]; then
+	printf 'Error: Source package is of an incompatible version.\n' >&2
+	exit 1
+fi
+
+# Attempt to detect the target platform.
+# If there no config files to copy, build platform-independent packages.
+if [ ! -f config ]; then
+	platform=''
+# If a target platform was not specified ...
+elif [ -z "${platform}" ]; then
+	platform=$(opkg print-architecture | \
+		sed -n 's/^arch \([^ -][^ -]*\) [0-9][0-9]*$/\1/p' | \
+		grep -v 'all')
+	# ... and there are config files and zero installable platforms, fail.
+	if [ -z "${platform}" ]; then
+		printf 'opkbuild: Error: %s\n' \
+			'Building platform-dependent package and no platforms detected' >&2
+		exit 1
+	# ... and there are config files and multiple installable platforms, request
+	# explicit selection.
+	elif [ $(echo "${platform}" | wc -l) -gt 1 ]; then
+		printf 'opkbuild: Error: %s\n' \
+			'Multiple platforms found while detecting target' >&2
+		exit 1
+	fi
+	# ... and there are config files and one installable platform, build for it.
+fi
+
+# Attempt to detect the target architecture tuple.
+# NB: Currently cross-compiling is not supported.
+arch=$(opkg print-architecture | sed -n \
+	's/^arch \([^ -][^ -]*-[^ -][^ -]*-[^ -][^ -]*\) [0-9][0-9]*$/\1/p')
+if [ -z "${arch}" ]; then
+	printf 'opkbuild: Error: No installable architecture found\n' >&2
+elif [ $(echo "${arch}" | wc -l) -gt 1 ]; then
+	printf 'opkbuild: Error: Multiple installable architectures found\n' >&2
+fi
+
+# Make work area.
+printf 'opkbuild: Making work area...\n'
+mkdir tmp
+cd tmp
+
+# Get source package name and version.
+printf 'opkbuild: Reading source package control fields...\n'
+srcpkg=$(oh_get_field Source)
+version=$(oh_get_field Version)
+
+# Set environment variables for the build configuration.
+export OH_PLATFORM="${platform}"
+export OH_ARCH="${arch}"
+IFS=- read OH_ARCH_CPU OH_ARCH_KERNEL OH_ARCH_LIBS <<EOF
+${OH_ARCH}
+EOF
+export OH_ARCH_CPU OH_ARCH_KERNEL OH_ARCH_LIBS
+export OH_SRCPKG="${srcpkg}"
+export OH_PKGVER=${version}
+
+# Set build flags.
+. @@DATADIR@@/opkhelper/buildflags/${OH_ARCH_CPU}
+
+# Check build dependencies.
+oh-checkbuilddeps || error "${srcpkg}-src"
+
+printf '\n'
+
+# Build *-src package.
+printf 'opkbuild: Attempting to build package "%s"...\n' "${srcpkg}-src"
+printf 'opkbuild: Installing files for package "%s"...\n' "${srcpkg}-src"
+${uid0_cmd} mkdir -p ${srcpkg}-src.data/usr/src/${srcpkg}_${version} ||
+	error "${srcpkg}-src"
+for file in ../*; do
+	case ${file} in
+		../tmp)
+			;;
+		../*)
+			${uid0_cmd} cp -R ${file} \
+				${srcpkg}-src.data/usr/src/${srcpkg}_${version} ||
+				error "${srcpkg}-src"
+			;;
+	esac
+done
+( ${uid0_cmd} oh-gencontrol -s;) || error "${srcpkg}-src"
+( ${uid0_cmd} oh-buildopk -s;) || error "${srcpkg}-src"
+( ${uid0_cmd} rm -Rf ${srcpkg}-src.data;) || error "${srcpkg}-src"
+printf 'opkbuild: Package "%s" complete!\n\n' "${srcpkg}-src"
+
+# Build other binary packages.
+for binpkgdir in ../*.pkg/; do
+	binpkg=${binpkgdir#'../'}
+	binpkg=${binpkg%'.pkg/'}
+	export OH_BINPKG="${binpkg}"
+	# Check architecture.
+	oh_is_buildable "${binpkg}"
+	if [ ${?} -eq 0 ]; then
+		printf 'opkbuild: Attempting to build package "%s"...\n' "${binpkg}"
+		# Copy or extract software sources to src.
+		if [ -d ../src ]; then
+			printf 'opkbuild: Copying sources into work area...\n'
+			cp -Rp ../src src || error "${binpkg}"
+		else
+			printf 'opkbuild: Extracting sources into work area...\n'
+			oh_archive_extract_source
+			case ${?} in
+				1)
+					printf 'opkbuild: Error: No source archive found\n' >&2
+					error
+					;;
+				2)
+					printf 'opkbuild: Error: Multiple source archives found\n' \
+						>&2
+					error
+					;;
+				3)
+					printf 'opkbuild: Error: %s\n' \
+						'Unsupported archive compression format detected' >&2
+					error
+					;;
+				4)
+					printf 'opkbuild: Error: %s\n' \
+						'No directories found in source archive' >&2
+					error
+					;;
+				5)
+					printf 'opkbuild: Error: %s\n' \
+						'Multiple top-level directories found in source archive' >&2
+					error
+					;;
+				6)
+					printf 'opkbuild: Error: %s\n' \
+						'Failed to extract source archive' >&2
+					error
+					;;
+				7)
+					printf 'opkbuild: Error: %s\n' \
+						'Failed to move extracted sources' >&2
+					error
+					;;
+			esac
+		fi
+		# Make installation directory.
+		# TODO: Maybe this should be an FHS-compliant filesystem hierarchy.
+		mkdir dest || error "${binpkg}"
+		# Apply patches.
+		oh-applypatches
+		# Copy platform config files.
+		oh-copyconfig || error "${binpkg}"
+		# Build the package.
+		${uid0_cmd} ../build ${binpkg} || error "${binpkg}"
+		printf 'opkbuild: Package "%s" complete!\n\n' "${binpkg}"
+		# Clean up everything except the build stamps.
+		for file in *; do
+			case ${file} in
+				*.buildstamp)
+					;;
+				*)
+					${uid0_cmd} rm -Rf ${file} || error "${binpkg}"
+					;;
+			esac
+		done
+	fi
+done
+
+# Clean up tmp.
+cd ..
+rm -Rf tmp
--
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