Vagrant Windows 260 character path limit workaround

Vagrantfile

# If you are using Windows as your Vagrant host OS, there is a limitation in Windows where any given folder path
# cannot be more than 260 characters long. This becomes a problem with Vagrant because, for example, if you 
# install a Linux guest environment and try to create a deep directory structure in a synced folder, Linux will
# throw errors. This is because the synced folder is under the constraints of the Windows host. A common example
# of this happening is when installing node.js modules. NPM is known for creating some very long, deep
# folder paths because each node depenency has it's own dependencies, which have their own dependencies, etc...
#
# This gist solves the problem and works around the Windows 260 character path limit. Add it to your Vagrantfile.
#
# NOTE: This bug in Vagrant was fixed in 1.7.3, but reverted back in 1.7.4 due to some regression bugs.

# First, disable default vagrant share
config.vm.synced_folder ".", "/vagrant", disabled: true

# Next, setup the shared Vagrant folder manually, bypassing Windows 260 character path limit
config.vm.provider "virtualbox" do |v|
	v.customize ["sharedfolder", "add", :id, "--name", "vagrant", "--hostpath", (("//?/" + File.dirname(__FILE__)).gsub("/","\\"))]
	v.customize ["setextradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate/vagrant", "1"]
end

# Finally, mount the shared folder on the guest system during provision
config.vm.provision :shell, inline: "mkdir -p /vagrant", run: "always"
config.vm.provision :shell, inline: "mount -t vboxsf -o uid=`id -u vagrant`,gid=`getent group vagrant | cut -d: -f3` vagrant /vagrant", run: "always"

# Now you have a /vagrant folder on your Linux environment that does not have the Windows 260 character path limit issue