From 41de457889a33e8c7238937209a359fb1f84bee2 Mon Sep 17 00:00:00 2001
From: Eivind Uggedal <eivind@uggedal.com>
Date: Mon, 18 Mar 2013 12:44:26 +0100
Subject: [PATCH] Use UNSET_VALUE for @args in shell config since [] is truthy.

---
 plugins/provisioners/shell/config.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/provisioners/shell/config.rb b/plugins/provisioners/shell/config.rb
index 400921690..c44c8f72a 100644
--- a/plugins/provisioners/shell/config.rb
+++ b/plugins/provisioners/shell/config.rb
@@ -7,13 +7,14 @@ module VagrantPlugins
       attr_accessor :args
 
       def initialize
-        @args        = []
+        @args        = UNSET_VALUE
         @inline      = UNSET_VALUE
         @path        = UNSET_VALUE
         @upload_path = UNSET_VALUE
       end
 
       def finalize!
+        @args        = nil if @args == UNSET_VALUE
         @inline      = nil if @inline == UNSET_VALUE
         @path        = nil if @path == UNSET_VALUE
         @upload_path = "/tmp/vagrant-shell" if @upload_path == UNSET_VALUE