From fe85f467c8f8e65c9fd09acff17ac4adb80f12b8 Mon Sep 17 00:00:00 2001
From: Dan Bode <dan@puppetlabs.com>
Date: Mon, 13 Aug 2012 18:52:00 -0700
Subject: Handle undef for parameter argument

This commit adds better handling of the case where
undef is passed as the parameter value.

This works by converting '' into []
---
 lib/puppet/parser/functions/defined_with_params.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/puppet/parser/functions/defined_with_params.rb b/lib/puppet/parser/functions/defined_with_params.rb
index e09e41c..d7df306 100644
--- a/lib/puppet/parser/functions/defined_with_params.rb
+++ b/lib/puppet/parser/functions/defined_with_params.rb
@@ -20,7 +20,9 @@ ENDOFDOC
 ) do |vals|
   reference, params = vals
   raise(ArgumentError, 'Must specify a reference') unless reference
-  params ||= {}
+  if (! params) || params == ''
+    params = {}
+  end
   ret = false
   if resource = findresource(reference.to_s)
     matches = params.collect do |key, value|
-- 
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