#!/bin/bash -e
VBOXVERSION="`grep -oP '(?<=VBOX_VERSION_STRING=").*(?=")' /opt/VirtualBox/scripts/generated.sh`"
SDIR="$(dirname "$(readlink -f ${BASH_SOURCE[0]})")"
#TMPDIR="$SDIR/vbox_temp"
TMPDIR="/root/vbox_temp"
PKGEXT=${1-tgz}

[ -d "$TMPDIR" ] && rm -rf $TMPDIR
mkdir $TMPDIR
cd $TMPDIR

cp --parents -rf /opt/VirtualBox $TMPDIR/
cp --parents -f /lib/modules/`uname -r`/misc/vboxdrv.ko $TMPDIR/
cp --parents -f /lib/modules/`uname -r`/misc/vboxnetflt.ko $TMPDIR/
cp --parents -f /lib/modules/`uname -r`/misc/vboxnetadp.ko $TMPDIR/
cp --parents -f /lib/modules/`uname -r`/misc/vboxpci.ko $TMPDIR/
cp --parents -rf /etc/vbox $TMPDIR/
cp --parents -f /etc/udev/rules.d/*-vboxdrv.rules $TMPDIR/

#workaround for vbox5 "unknown init type" issue
[ ! -e "/etc/rc.d/rc.vboxdrv" ] && cp /opt/VirtualBox/vboxdrv.sh /etc/rc.d/rc.vboxdrv
[ ! -e "/etc/rc.d/rc.vboxballoonctrl-service" ] && cp /opt/VirtualBox/vboxballoonctrl-service.sh /etc/rc.d/rc.vboxballoonctrl-service
[ ! -e "/etc/rc.d/rc.vboxautostart-service" ] && cp /opt/VirtualBox/vboxautostart-service.sh /etc/rc.d/rc.vboxautostart-service
[ ! -e "/etc/rc.d/rc.vboxweb-service" ] && cp /opt/VirtualBox/vboxweb-service.sh /etc/rc.d/rc.vboxweb-service

cp --parents -f /etc/rc.d/rc.vboxdrv $TMPDIR/
cp --parents -f /etc/rc.d/rc.vboxballoonctrl-service $TMPDIR/
cp --parents -f /etc/rc.d/rc.vboxautostart-service $TMPDIR/
cp --parents -f /etc/rc.d/rc.vboxweb-service $TMPDIR/

rename .rules .rules.new $TMPDIR/etc/udev/rules.d/*-vboxdrv.rules

[ -d "$TMPDIR/opt/VirtualBox/ExtensionPacks" ] && rm -rf $TMPDIR/opt/VirtualBox/ExtensionPacks

mkdir $TMPDIR/install

cat >>$TMPDIR/install/doinst.sh << 'THE_END_OF_SCRIPT'
# Create users group
groupadd -r -f vboxusers 2> /dev/null

# Create symlinks to start binaries
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VirtualBox
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VBoxManage
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VBoxSDL
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VBoxVRDP
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VBoxHeadless
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VBoxBalloonCtrl
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VBoxAutostart
ln -sf /opt/VirtualBox/VBox.sh /usr/bin/vboxwebsrv
ln -sf /opt/VirtualBox/vbox-img /usr/bin/vbox-img
if [ -f /opt/VirtualBox/VBoxDTrace ]; then
  ln -sf /opt/VirtualBox/VBox.sh /usr/bin/VBoxDTrace
fi

# Convenience symlinks. The creation fails if the FS is not case sensitive
ln -sf VirtualBox /usr/bin/virtualbox > /dev/null 2>&1
ln -sf VBoxManage /usr/bin/vboxmanage > /dev/null 2>&1
ln -sf VBoxSDL /usr/bin/vboxsdl > /dev/null 2>&1
ln -sf VBoxHeadless /usr/bin/vboxheadless > /dev/null 2>&1
if [ -f /opt/VirtualBox/VBoxDTrace ]; then
  ln -sf VBoxDTrace /usr/bin/vboxdtrace > /dev/null 2>&1
fi

# Remove old udev description files and rename the .new one
rm -f /etc/udev/rules.d/*-vboxdrv.rules 2> /dev/null
rename .rules.new .rules /etc/udev/rules.d/*-vboxdrv.rules.new

install_create_usb_node_for_sysfs() {
    # Create a usb device node for a given sysfs path
    path="$1"           # sysfs path for the device
    usb_createnode="$2" # Path to the USB device node creation script
    usb_group="$3"      # The group to give ownership of the node to
    if test -r "${path}/dev"; then
        dev="`cat "${path}/dev" 2> /dev/null`"
        major="`expr "$dev" : '\(.*\):' 2> /dev/null`"
        minor="`expr "$dev" : '.*:\(.*\)' 2> /dev/null`"
        class="`cat ${path}/bDeviceClass 2> /dev/null`"
        sh "${usb_createnode}" "$major" "$minor" "$class" "${usb_group}" 2>/dev/null
    fi
}

# Build usb device tree
for i in /sys/bus/usb/devices/*; do
    install_create_usb_node_for_sysfs "$i" "/opt/VirtualBox/VBoxCreateUSBNode.sh" "vboxusers"
done

depmod -a
/etc/rc.d/rc.vboxdrv start
/etc/rc.d/rc.vboxballoonctrl-service start
/etc/rc.d/rc.vboxautostart-service start
/etc/rc.d/rc.vboxweb-service start
THE_END_OF_SCRIPT

cd $TMPDIR && makepkg -l n -c n ../vbox-${VBOXVERSION}-unRAID-$(uname -r | cut -d"-" -f1)$([ `uname -m` == 'x86_64' ] && echo '-x64').${PKGEXT}
rm -rf $TMPDIR