vbox-share

#!/bin/sh
#
# VirtualBox share.
#
# Virtualbox shares a folder as root by default;
# this script gets the current user's uid and gid,
# then shares a given folder (default ~/vbox/share).
#
# Examples:
#
#    vbox-share
#    vbox-share foo /media/bar
#
# Setup ideas for a Debian host with a Windows guest:
#
#   http://www.maketecheasier.com/share-files-in-virtualbox-between-vista-guest-ubuntu-host/
#
# Setup ideas for a Debian guest:
#
#   1. As root, install the virtualbox guest additons.
#   2. Reboot the guest system (in this case a lenny install)
#   3. Run: modprobe vboxvfs (reports nothing so all is well)
#   4. mount.vboxsf MyVirtualDrive /media/shared
#
# Setup guest additions on a Debian host:
#
#    apt-get install \
#      virtualbox-guest-dkms \
#      virtualbox-guest-utils \
#      virtualbox-guest-x11 \
#      virtualbox-ose-guest-utils
#
# Version: 1.2.0
# Created: 2014-01-16
# Updated: 2015-01-25
# License: GPL
# Contact: Joel Parker Henderson (joel@joelparkerhenderson.com)
##
set -euf

# Get the current user
uid=`id -u`
gid=`id -g`
user=`id -un`

# The host directory to share must be
# a relative path in the user's directory.
#
# Right:
#
#    foo/bar
#
# Wrong:
#
#    /home/alice/foo/bar
#    /foo/bar
#    ~alice/foo/bar
#    ~/foo/bar
#
src=${1:-"vbox/share"}

# The mount point
mnt=${2:-"/media/vbox-share"}

set -o xtrace
sudo mount -t vboxsf -o uid=$uid,gid=$gid $src $mnt