Added an mkinitramfs script to mkinitramfs package, currently only validating arguments.

git-svn-id: svn://svn.opensde.net/opensde/package/branches/udev@21268 10447126-35f2-4685-b0cf-6dd780d3921f

base/mkinitramfs/mkinitramfs.sh

@@ -0,0 +1,85 @@
+#!/bin/sh
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+# 
+# Filename: package/.../mkinitrd/mkinitrd.sh
+# Copyright (C) 2007 The OpenSDE Project
+# 
+# More information can be found in the files COPYING and README.
+# 
+# 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; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+set -e
+
+root=
+kernever=
+template=
+running=
+
+mkinitrd_usage() {
+	cat <<-EOT
+	Usage: $0 [ -R <root> ] [ -T <template> ] [<kernelver>]
+		root.....: location of the sandbox to work in
+		           (default: /)
+		template.: file to use as template for this image
+		           (default: \$root/boot/initrd.img)
+		kernelver: kerner version to use when grabbing the
+		           modules. (default: $( uname -r ))
+	EOT
+}
+
+while [ $# -gt 1 ]; do
+	case "$1" in
+		-R)	root="$2"; shift ;;
+		-T)	template="$2"; shift ;;
+		[0-9]*)	kernelver="$1" ;;
+		*)	usage; exit 1 ;; 
+	esac
+	shift
+done
+
+# $root - root of the sandbox
+[ "$root" ] || root="/"
+if [ -d "$root" ]; then
+	echo "ERROR: '$root' is not a directory"
+	exit 2
+else
+	root=$( cd "$root"; pwd -P )
+	echo "root: '$root'"
+
+	[ "$root" != "/" ] || root=""
+fi
+
+# $template - cpio.gz file to use as base for this initrd
+[ "$template" ] || template="${root}/boot/initrd.img"
+if [ ! -r "$template" ]; then
+	echo "ERROR: template '$template' not found."
+	exit 3
+else
+	echo "template: '${template#$root}'"
+fi
+
+# $kernelver - kernel version, only useful if we have modules
+if [ -z "$kernelver" ]; then
+	kernelver=$( uname -r )
+	running=yes
+fi
+
+moddir="${root}/lib/modules/$kernelver"
+sysmap="${root}/boot/System.map_$kernelver"
+if [ -d "$moddir" ]; then
+	echo "kernel: $kernelver, module dir: $moddir"
+	if [ ! -r "$sysmap" ]; then
+		echo "ERROR: System.map file not found."
+		exit 4
+	fi
+else
+	echo "kernel: $kernelver, no modules found."
+	moddir=
+fi
+
+echo "done."