datacat.rb
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datacat.rb
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	module Puppet_X
	module Richardc
	class Datacat
	def self.deep_merge
	deep_merge = Proc.new do \|key,oldval,newval\|
	newval.is_a?(Hash) && oldval.is_a?(Hash) ?
	oldval.merge(newval, &deep_merge) :
	newval.is_a?(Array) && oldval.is_a?(Array) ?
	oldval + newval :
	newval
	end
	end
	end

	# Our much simpler version of Puppet::Parser::TemplateWrapper
	class Datacat_Binding
	def initialize(d, template)
	@data = d
	@__file__ = template
	end

	def file
	@__file__
	end

	# Find which line in the template (if any) we were called from.
	# @return [String] the line number
	# @api private
	def script_line
	identifier = Regexp.escape(@__file__ \|\| "(erb)")
	(caller.find { \|l\| l =~ /#{identifier}:/ }\|\|"")[/:(\d+):/,1]
	end
	private :script_line

	def method_missing(name, *args)
	line_number = script_line
	raise "Could not find value for '#{name}' #{@__file__}:#{line_number}"
	end

	def get_binding
	binding()
	end
	end
	end
	end