#! /bin/bash

#############################################################################
# Copyright (c) 2006 Novell, Inc.
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# 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, contact Novell, Inc.
#
# To contact Novell about this file by physical or electronic mail,
# you may find current contact information at www.novell.com
#############################################################################
#
# Invoke with a complete set of kernel RPMs as arguments, e.g.,
#   update-supported.conf /work/CDs/all/full-sles10-*/suse/*/kernel-*.rpm
#

export LC_ALL=C

if [ "$1" = -v ]; then
    shift
    exec 3>&2
else
   exec 3>/dev/null
fi

unset ${!mod_*}
for rpm in $(printf "%s\n" "$@" | sort); do
    for module in $(rpm -qlp "$rpm" \
	    	    | sed -n -e 's:^/lib/modules/[^/]*/::' \
			     -e 's:\.ko$::p'); do
	m=${module##*/}
	m=${m//-/_}
	eval "mod_$m=\"$module\""
    done
done

#for module in ${!mod_*}; do
#    echo ${!module}
#done \
#| sort >&3

tmpfile=$(mktemp -t "${0##*/}.XXXXXX")
trap "rm -f $tmpfile" EXIT

IFS=
while read line; do
    module=$(echo "$line" \
    	| sed -e 's:^#.*\|[ \t]#.*::' \
	      -e 's:^\([ \t]*[-+][^ \t]*\)*[ \t]*::' \
	      -e 's:[ \t]*$::')
    if [ -z "$module" ]; then
	echo "$line"
	continue
    fi

    m=${module##*/}
    m=${m%.ko}
    m=mod_${m//-/_}
    if [ "${!m}" = "$module" ]; then
	echo "|  $module" >&3
	echo "$line"
    elif [ -n "${!m}" ]; then
    	echo "|R $module ${!m}" >&3
	a=${module//\//\\/}
	b=${!m}
	echo "${line//$a/$b}"
    else
	echo "|- $module" >&3
    fi
done < supported.conf \
| sort -t $'\t' -k 2