#!/bin/sh
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../mkinitramfs/files/50-kernel.sh
# Copyright (C) 2007 - 2008 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 ---

MODINFO=${MODINFO:-/sbin/modinfo}
DEPMOD=${DEPMOD:-/sbin/depmod}

set -e

if [ -n "$moddir" ]; then

	# sanity checks
	for tool in $MODINFO $DEPMOD; do
		if [ ! -x "$tool" ]; then
			echo "ERROR: $tool is no available"
			exit 1
		fi
	done

	if [ "$running" ]; then
		echo "TODO: building on a running system, we can take the list of active modules."
	fi

	module_install() {
		local module= source= target=

		if [ -r "$1" ]; then
			# absolute path
			source="$1"
			module=${source##*/}; module=${module%.ko}
		else
			module="$1"
			source="$( find "$moddir/kernel" -name "$module.ko" | head -n 1 )"
		fi

		if [ -r "$source" ]; then
			target="lib/modules/$kernelver/${source#$moddir/}"

			if [ ! -f $target ]; then
				echo -n " $module"
				mkdir -p "${target%/*}"
				cp "$source" "$target"

				for dep in $( $MODINFO "$source" | grep "^depends:" | tr -s ' ' | cut -d' ' -f2 | tr ',' ' ' ); do
					module_install "$dep"
				done
			fi
		else
			modules_missing="$modules_missing $module"
			echo -n " [$module]"
		fi
	}


	echo -n "Installing modules:"
	modules_missing=

	if [ -n "$MKINITRD_MODULES" ]; then
		for module in $MKINITRD_MODULES; do
			module_install "$module"
		done
	fi

	# greedy^3
	find $moddir/kernel/drivers/{block,ata,ide,ieee1394,md,scsi,cdrom,usb,message} \
		$moddir/kernel/{lib,fs} \
		-type f | while read file; do
		module_install "$file"
		done
	echo

	$DEPMOD -ae -b "$tmpdir" -F "$sysmap" "$kernelver"

	[ -z "$modules_missing" ] || echo "Failed to find:$modules_missing"
fi