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-rw-r--r--lib/puppet/parser/functions/defined_with_params.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/puppet/parser/functions/defined_with_params.rb b/lib/puppet/parser/functions/defined_with_params.rb
index d7df306..ffc7241 100644
--- a/lib/puppet/parser/functions/defined_with_params.rb
+++ b/lib/puppet/parser/functions/defined_with_params.rb
@@ -26,7 +26,7 @@ ENDOFDOC
ret = false
if resource = findresource(reference.to_s)
matches = params.collect do |key, value|
- resource[key] == value
+ resource[key] == (value.eql?(:undef) ? nil : value) # eql? avoids bugs caused by monkeypatching in puppet
end
ret = params.empty? || !matches.include?(false)
end