Add support for using NFS for root cache folder

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## 0.1.1 (unreleased)
 
+IMPROVEMENTS:
+
+  - Support enabling NFS for root cache folder. [GH-7]
+
 ## 0.1.0 (June 9, 2013)
 
 IMPROVEMENTS:

development/Vagrantfile

@@ -9,6 +9,11 @@ Vagrant.configure("2") do |config|
 
   config.cache.scope = :machine
   config.cache.auto_detect = true
+  config.cache.enable_nfs  = true
+
+  config.vm.provider :virtualbox do |_, vb|
+    vb.vm.network :private_network, ip: "192.168.50.123"
+  end
 
   debian_like_configs = lambda do |debian|
     debian.vm.provision :shell, inline: '

lib/vagrant-cachier/action.rb

@@ -16,7 +16,8 @@ module VagrantPlugins
 
           FileUtils.mkdir_p(cache_root.to_s) unless cache_root.exist?
 
-          env[:machine].config.vm.synced_folder cache_root, '/tmp/vagrant-cache', id: "vagrant-cache"
+          nfs_flag = env[:machine].config.cache.enable_nfs
+          env[:machine].config.vm.synced_folder cache_root, '/tmp/vagrant-cache', id: "vagrant-cache", nfs: nfs_flag
 
           @app.call env
 

lib/vagrant-cachier/config.rb

@@ -1,12 +1,13 @@
 module VagrantPlugins
   module Cachier
     class Config < Vagrant.plugin(2, :config)
-      attr_accessor :scope, :auto_detect
+      attr_accessor :scope, :auto_detect, :enable_nfs
       attr_reader   :buckets
 
       def initialize
         @scope       = UNSET_VALUE
         @auto_detect = UNSET_VALUE
+        @enable_nfs  = UNSET_VALUE
       end
 
       def enable(bucket, opts = {})
@@ -18,6 +19,7 @@ module VagrantPlugins
 
         @scope       = :box  if @scope == UNSET_VALUE
         @auto_detect = false if @auto_detect == UNSET_VALUE
+        @enable_nfs  = false if @enable_nfs == UNSET_VALUE
         @buckets     = @buckets ? @buckets.dup : {}
       end