desktop/virtualbox/virtualbox.install

post_install() {
  # Add vboxusers group, GID 108 is reserved (http://wiki.archlinux.org/index.php/UID_and_GID_list),
  getent group vboxusers &> /dev/null || groupadd -f -g 108 vboxusers

  # Load new udev rule for module vboxdrv
  udevadm control --reload-rules

  # Update mime database
  [[ -x =update-mime-database ]] && update-mime-database /usr/share/mime &>/dev/null

  # Update desktop database
  [[ -x =update-desktop-database ]] && update-desktop-database -q &>/dev/null

  # Build new module
  systemd-notify --booted
  if [[ "$?" -eq 0 ]]; then
    /usr/bin/vboxsetup setup
  else
    /etc/rc.d/vboxdrv setup
  fi
  
  # Show warnings
  /bin/cat <<EOF

==> Remember to add allowed users to the vboxusers group:
==> # gpasswd -a USERNAME vboxusers
==>
==> With systemd:
==> To start virtualbox web service automatically you need to enable and start the service through systemctl
==> To fix missing usb devices, you can call 'vboxsetup fixusb' or reboot your computer
==>
==> With sysvinit:
==> To load virtualbox modules automatically you can add vboxdrv in your DAEMONS
==> To start virtualbox web service automatically you can add vboxweb in your DAEMONS
==> To fix missing usb devices, you can call rc.d fixusb vboxdrv or reboot your computer
==>
EOF
}

pre_upgrade() {
  pre_remove 

  # Remove any stuff remaining from the module compilation
  rm -Rf "/opt/VirtualBox"
}

post_upgrade() {
  post_install
}

pre_remove() {
  # Stop running services
  
  systemd-notify --booted
  if [[ "$?" -eq 0 ]]; then
    _service="vboxweb.service"
    systemctl is-active ${_service} &>/dev/null
    if [[ "$?" -eq 0 ]]; then
      systemctl stop ${_service}
    fi
    systemctl is-enabled ${_service} &>/dev/null
    if [[ "$?" -eq 0 ]]; then
      systemctl disable ${_service}
    fi
  else
    [[ -x /etc/rc.d/vboxdrv ]] && /etc/rc.d/vboxdrv stop
    [[ -x /etc/rc.d/vboxweb ]] && /etc/rc.d/vboxweb stop
  fi

  # Remove modules
  systemd-notify --booted
  if [[ "$?" -eq 0 ]]; then
    /usr/bin/vboxsetup remove
  elif [[ -f /etc/rc.d/vboxdrv && -f /usr/sbin/rc.d ]]; then
    rc.d unload vboxdrv
    rc.d remove vboxdrv
  else
    echo -e "\n==> Modules could not be deleted. Please check manually.\n"
  fi
}

post_remove() {
  # Remove any stuff remaining from the module compilation
  rm -Rf "/opt/VirtualBox"
  
  # Remove any run files
  rm -Rf "/var/run/VirtualBox"

  # Update mime database
  [[ -x =update-mime-database ]] && update-mime-database /usr/share/mime &>/dev/null

  # Update desktop database
  [[ -x =update-desktop-database ]] && update-desktop-database -q &>/dev/null

  # remove vboxusers group
  groupdel vboxusers &>/dev/null || true
}

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