# File lib/chef/mixin/deep_merge.rb, line 40 def role_merge(first, second) first = Mash.new(first) unless first.kind_of?(Mash) second = Mash.new(second) unless second.kind_of?(Mash) DeepMerge.deep_merge(second, first, {:knockout_prefix => "!merge", :preserve_unmergeables => false}) end