#!/bin/bash
# $Id: loadfs.sh $
## @file
# For GA development.
#

#
# Copyright (C) 2006-2019 Oracle Corporation
#
# 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.
#
# The contents of this file may alternatively be used under the terms
# of the Common Development and Distribution License Version 1.0
# (CDDL) only, as it comes in the "COPYING.CDDL" file of the
# VirtualBox OSE distribution, in which case the provisions of the
# CDDL are applicable instead of those of the GPL.
#
# You may elect to license modified versions of this file under the
# terms and conditions of either the GPL or the CDDL or both.
#

DRVNAME="vboxfs"
MOUNTHLP="vboxfsmount"

DRVFILE=`dirname "$0"`
DRVFILE=`cd "$DRVFILE" && pwd`
MOUNTHLPFILE="$DRVFILE/$MOUNTHLP"
DRVFILE="$DRVFILE/$DRVNAME"
if [ ! -f "$DRVFILE" ]; then
    echo "loadfs.sh: Cannot find $DRVFILE or it's not a file..."
    exit 1;
fi
if [ ! -f "$MOUNTHLPFILE" ]; then
    echo "load.sh: Cannot find $MOUNTHLPFILE or it's not a file..."
    exit 1;
fi

SUDO=sudo
#set -x

# Unload the driver if loaded.
for drv in $DRVNAME;
do
    LOADED=`modinfo | grep -w "$drv"`
    if test -n "$LOADED"; then
        MODID=`echo "$LOADED" | cut -d ' ' -f 1`
        $SUDO modunload -i $MODID;
        LOADED=`modinfo | grep -w "$drv"`;
        if test -n "$LOADED"; then
            echo "load.sh: failed to unload $drv";
            dmesg | tail
            exit 1;
        fi
    fi
done

#
# Remove old stuff.
#
MY_RC=1
set -e
$SUDO rm -f \
    "/usr/kernel/fs/${DRVNAME}" \
    "/usr/kernel/fs/amd64/${DRVNAME}" \
    "/etc/fs/vboxfs/mount"
sync
set +e

#
# Install the mount program.
#
if [ ! -d /etc/fs/vboxfs ]; then
    $SUDO mkdir -p /etc/fs/vboxfs
fi
$SUDO ln -sf "$MOUNTHLPFILE" /etc/fs/vboxfs/mount

#
# Load the module. We can load it without copying it to /usr/kernel/fs/.
#
if $SUDO modload "$DRVFILE"; then
    sync
    MY_RC=0
else
    dmesg | tail
    echo "load.sh: add_drv failed."
fi

exit $MY_RC;