#!/bin/sh

#
# Create a tar archive containing the sources of the Linux guest kernel
# modules
#
# Copyright (C) 2006-2007 Sun Microsystems, Inc.
#
# This file is part of VirtualBox Open Source Edition (OSE), as
# available from http://www.virtualbox.org. This file is free software;
# you can redistribute it and/or modify it under the terms of the GNU
# General Public License (GPL) as published by the Free Software
# Foundation, in version 2 as it comes in the "COPYING" file of the
# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
#
# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
# Clara, CA 95054 USA or visit http://www.sun.com if you need
# additional information or have any questions.
#

if [ -z "$1" ]; then
    echo "Usage: $0 <filename.tar.gz>"
    echo "  Export VirtualBox kernel modules to <filename.tar.gz>"
    exit 1
fi

PATH_TMP="`cd \`dirname $1\`; pwd`/.vbox_modules"
PATH_OUT=$PATH_TMP
FILE_OUT="`cd \`dirname $1\`; pwd`/`basename $1`"
PATH_ROOT="`cd \`dirname $0\`/../../../..; pwd`"
PATH_VBOXADD="$PATH_ROOT/src/VBox/Additions/linux/module"
PATH_VBOXVFS="$PATH_ROOT/src/VBox/Additions/linux/sharedfolders"

VBOX_VERSION_MAJOR=`sed -e "s/^ *VBOX_VERSION_MAJOR *= \+\([0-9]\+\)/\1/;t;d" $PATH_ROOT/Config.kmk`
VBOX_VERSION_MINOR=`sed -e "s/^ *VBOX_VERSION_MINOR *= \+\([0-9]\+\)/\1/;t;d" $PATH_ROOT/Config.kmk`
VBOX_VERSION_BUILD=`sed -e "s/^ *VBOX_VERSION_BUILD *= \+\([0-9]\+\)/\1/;t;d" $PATH_ROOT/Config.kmk`

. $PATH_VBOXADD/files_vboxadd
. $PATH_VBOXVFS/files_vboxvfs

# Temporary path for creating the modules, will be removed later
mkdir $PATH_TMP || exit 1

# Create auto-generated version file, needed by all modules
echo "#ifndef __version_generated_h__" > $PATH_TMP/version-generated.h
echo "#define __version_generated_h__" >> $PATH_TMP/version-generated.h
echo "" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_MAJOR $VBOX_VERSION_MAJOR" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_MINOR $VBOX_VERSION_MINOR" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_BUILD $VBOX_VERSION_BUILD" >> $PATH_TMP/version-generated.h
echo "#define VBOX_VERSION_STRING \"$VBOX_VERSION_MAJOR.$VBOX_VERSION_MINOR.$VBOX_VERSION_BUILD\"" >> $PATH_TMP/version-generated.h
echo "" >> $PATH_TMP/version-generated.h
echo "#endif" >> $PATH_TMP/version-generated.h

# vboxadd (VirtualBox guest kernel module)
mkdir $PATH_TMP/vboxadd || exit 1
for f in $FILES_VBOXADD_NOBIN; do
    install -D -m 0644 `echo $f|cut -d'=' -f1` "$PATH_TMP/vboxadd/`echo $f|cut -d'>' -f2`"
done
for f in $FILES_VBOXADD_BIN; do
    install -D -m 0755 `echo $f|cut -d'=' -f1` "$PATH_TMP/vboxadd/`echo $f|cut -d'>' -f2`"
done

# vboxvfs (VirtualBox guest kernel module for shared folders)
mkdir $PATH_TMP/vboxvfs || exit 1
for f in $FILES_VBOXVFS_NOBIN; do
    install -D -m 0644 `echo $f|cut -d'=' -f1` "$PATH_TMP/vboxvfs/`echo $f|cut -d'>' -f2`"
done
for f in $FILES_VBOXVFS_BIN; do
    install -D -m 0755 `echo $f|cut -d'=' -f1` "$PATH_TMP/vboxvfs/`echo $f|cut -d'>' -f2`"
done

# Only temporary, omit from archive
rm $PATH_TMP/version-generated.h

# Create the archive
tar -czf $FILE_OUT -C $PATH_TMP . || exit 1

# Remove the temporary directory
rm -r $PATH_TMP