    # File lib/chef/resource.rb, line 153
        def load_prior_resource
          begin
            prior_resource = run_context.resource_collection.lookup(self.to_s)
            Chef::Log.debug("Setting #{self.to_s} to the state of the prior #{self.to_s}")
            prior_resource.instance_variables.each do |iv|
              unless iv.to_sym == :@source_line || iv.to_sym == :@action
                self.instance_variable_set(iv, prior_resource.instance_variable_get(iv))
              end
            end
            true
          rescue Chef::Exceptions::ResourceNotFound => e
            true
          end
        end