From fb96396f656dfdcf96b0e68293d0f65c44f1e200 Mon Sep 17 00:00:00 2001
From: Michal Papis <mpapis@gmail.com>
Date: Fri, 19 Jul 2013 03:35:37 +0200
Subject: [PATCH] implemetn array arguments from #1569

---
 plugins/provisioners/shell/provisioner.rb | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/plugins/provisioners/shell/provisioner.rb b/plugins/provisioners/shell/provisioner.rb
index f62fa1a69..cb41c62ff 100644
--- a/plugins/provisioners/shell/provisioner.rb
+++ b/plugins/provisioners/shell/provisioner.rb
@@ -5,8 +5,11 @@ module VagrantPlugins
   module Shell
     class Provisioner < Vagrant.plugin("2", :provisioner)
       def provision
-        args = ""
-        args = " #{config.args}" if config.args
+        case config.args
+        when String then args = " #{config.args}"
+        when Array  then args = " #{config.args.map{|arg| quote_and_escape(arg)}.join(" ")}"
+        else args = ""
+        end
         command = "chmod +x #{config.upload_path} && #{config.upload_path}#{args}"
 
         with_script_file do |path|
@@ -44,6 +47,11 @@ module VagrantPlugins
 
       protected
 
+      # Quote and escape strings for shell execution, thanks to @capistrano
+      def quote_and_escape(text, quote = '"')
+        "#{quote}#{text.gsub(/#{quote}/) { |m| "#{m}\\#{m}#{m}" }}#{quote}"
+      end
+
       # This method yields the path to a script to upload and execute
       # on the remote server. This method will properly clean up the
       # script file if needed.