From 14c4dc5d537d8f7b9c29b2f2d26f3c044fb51026 Mon Sep 17 00:00:00 2001
From: Seth Chisamore <schisamo@opscode.com>
Date: Fri, 27 Jan 2012 09:58:54 -0800
Subject: [PATCH] add vbox driver support for creating transient shared folders

---
 lib/vagrant/action/vm/share_folders.rb | 3 ++-
 lib/vagrant/config/vm.rb               | 1 +
 lib/vagrant/driver/virtualbox_4_0.rb   | 8 ++++++--
 lib/vagrant/driver/virtualbox_4_1.rb   | 8 ++++++--
 4 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/lib/vagrant/action/vm/share_folders.rb b/lib/vagrant/action/vm/share_folders.rb
index 79192f00f..29dc4ccf8 100644
--- a/lib/vagrant/action/vm/share_folders.rb
+++ b/lib/vagrant/action/vm/share_folders.rb
@@ -63,7 +63,8 @@ module Vagrant
           shared_folders.each do |name, data|
             folders << {
               :name => name,
-              :hostpath => File.expand_path(data[:hostpath], @env[:root_path])
+              :hostpath => File.expand_path(data[:hostpath], @env[:root_path]),
+              :transient => data[:transient]
             }
           end
 
diff --git a/lib/vagrant/config/vm.rb b/lib/vagrant/config/vm.rb
index 0a44c1663..1b230bf7a 100644
--- a/lib/vagrant/config/vm.rb
+++ b/lib/vagrant/config/vm.rb
@@ -79,6 +79,7 @@ Please change your configurations to match this new syntax.
           :owner => nil,
           :group => nil,
           :nfs   => false,
+          :transient => false,
           :extra => nil
         }.merge(opts || {})
       end
diff --git a/lib/vagrant/driver/virtualbox_4_0.rb b/lib/vagrant/driver/virtualbox_4_0.rb
index 9fbee2a79..d491b4d7b 100644
--- a/lib/vagrant/driver/virtualbox_4_0.rb
+++ b/lib/vagrant/driver/virtualbox_4_0.rb
@@ -392,8 +392,12 @@ module Vagrant
 
       def share_folders(folders)
         folders.each do |folder|
-          execute("sharedfolder", "add", @uuid, "--name",
-                  folder[:name], "--hostpath", folder[:hostpath])
+          args = ["--name",
+                  folder[:name],
+                  "--hostpath",
+                  folder[:hostpath]]
+          args << "--transient" if folder.has_key?(:transient) && folder[:transient]
+          execute("sharedfolder", "add", @uuid, *args)
         end
       end
 
diff --git a/lib/vagrant/driver/virtualbox_4_1.rb b/lib/vagrant/driver/virtualbox_4_1.rb
index bb2bd324a..fa2178966 100644
--- a/lib/vagrant/driver/virtualbox_4_1.rb
+++ b/lib/vagrant/driver/virtualbox_4_1.rb
@@ -392,8 +392,12 @@ module Vagrant
 
       def share_folders(folders)
         folders.each do |folder|
-          execute("sharedfolder", "add", @uuid, "--name",
-                  folder[:name], "--hostpath", folder[:hostpath])
+          args = ["--name",
+                  folder[:name],
+                  "--hostpath",
+                  folder[:hostpath]]
+          args << "--transient" if folder.has_key?(:transient) && folder[:transient]
+          execute("sharedfolder", "add", @uuid, *args)
         end
       end