#!/bin/bash
# $Header: /root/magellan-cvs/src/virtualbox/virtualbox-config.sh,v 1.3 2007-04-14 14:10:48 niro Exp $
# Configures virtualbox for Magellan-Linux

LIBDIR=/usr/lib
INSTDIR=${LIBDIR}/virtualbox
VBOXMODULE=vboxdrv.ko

COLRED="\033[1;6m\033[31m"
COLGREEN="\033[1;6m\033[32m"
COLDEFAULT="\033[0m"

if [[ ${NOCOLORS} = true ]]
then
	COLRED=""
	COLGREEN=""
	COLDEFAULT=""
fi

die() { echo -e "${COLRED}$@${COLDEFAULT}"; exit 1; }
mecho() { echo -e "${COLGREEN}$@${COLDEFAULT}"; }

# must be root
[[ $(id -u) != 0 ]] && die "You must be r00t!"

mecho "Running $(basename $0) for kernelversion $(uname -r) ..."

if [ ! -f /lib/modules/$(uname -r)/source/include/linux/version.h ]
then
	die "No kernel headers for $(uname -r) found! Aborting."
fi

if [[ -f /lib/modules/$(uname -r)/misc/${VBOXMODULE} ]]
then
	mecho "Removing old module ..."
	rm -f /lib/modules/$(uname -r)/misc/${VBOXMODULE}
fi

# compile the module
cd ${INSTDIR}/src
make -C /lib/modules/$(uname -r)/source SUBDIRS=$(pwd) SRCROOT=$(pwd) clean modules || die "mod-compile"

# install the module
install -d /lib/modules/$(uname -r)/misc
install -m0644 ${VBOXMODULE} /lib/modules/$(uname -r)/misc || die "mod-install"

# calc module dependencies
mecho "Calculating module dependencies ..."
depmod -ae

# re-read udev rules to grant the right permissions
if [[ -x $(which udevcontrol) ]]
then
	mecho "Reloading udev configuration ..."
	$(which udevcontrol) reload_config
fi

# load the module
mecho "Loading kernel-module ${VBOXMODULE} ..."
modprobe $(basename ${VBOXMODULE} .ko)

echo
mecho "Virtualbox is now configured for your system."
mecho "Do not forget to add you users to the 'virtualbox' group."
echo

exit 0