Write oh-copyconfig.

1 files changed, 79 insertions, 0 deletions

diff --git a/src/oh-copyconfig b/src/oh-copyconfig
new file mode 100644
index 0000000..e880392
--- /dev/null
+++ b/src/oh-copyconfig
@@ -0,0 +1,79 @@
+#! /bin/sh
+#
+# opkhelper
+# src/oh-copyconfig
+# Copy build-time or run-time platform configuration files.
+#
+# 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/>.
+
+print_usage()
+{
+	printf 'Usage: %s\n' "$1"
+}
+
+error()
+{
+	printf 'oh-copyconfig: Error:  %s\n' "${1}" >&2
+	exit 1
+}
+
+if [ ! -f ../config ]; then
+	printf 'oh-copyconfig: No config files to copy.\n'
+	exit 0
+fi
+
+if [ -z "${OH_PLATFORM}" ]; then
+	error 'No target platform defined'
+fi
+
+if [ ${#} -ne 0 ]; then
+	print_usage ${0} >&2
+	exit 1
+fi
+
+while read -r type src dest; do
+	if [ -z "${type}" -o -z "${src}" -o -z "${dest}" ]; then
+		error 'Invalid syntax in config list'
+	fi
+	case "${type}" in
+		runtime)
+			# The destiest dest that ever dest.
+			full_dest="dest${dest}"
+			;;
+		buildtime)
+			# A less desty dest.
+			full_dest="${dest}"
+			;;
+		*)
+			error "Invalid config type \"${type}\""
+			;;
+	esac
+	# Make sure the destination directory exists.
+	mkdir -p "$(dirname "${full_dest}")"
+	# Find the config package files.
+	if [ -d "/usr/share/config/${OH_PLATFORM}/${OH_SRCPKG}-${OH_PKGVER}" ]; then
+		full_src="/usr/share/config/${OH_PLATFORM}/${OH_SRCPKG}-${OH_PKGVER}/${src}"
+	elif [ -d "/usr/share/config/${OH_PLATFORM}/${OH_SRCPKG}" ]; then
+		full_src="/usr/share/config/${OH_PLATFORM}/${OH_SRCPKG}/${src}"
+	else
+		# This shouldn't happen unless the package maintainer neglected to add
+		# the config package to the package's Build-Depends field.
+		error 'No platform config directory found'
+	fi
+	# Copy the config file(s).
+	printf 'oh-copyconfig: Copying "%s" to "%s"...\n' "${src}" "${dest}"
+	cp -p "${full_src}" "${full_dest}" || error "Cannot copy \"${src}\""
+done < ../config