def load_prior_resource
begin
prior_resource = run_context.resource_collection.lookup(self.to_s)
Chef::Log.warn("Cloning resource attributes for #{self.to_s} from prior resource (CHEF-3694)")
Chef::Log.warn("Previous #{prior_resource}: #{prior_resource.source_line}") if prior_resource.source_line
Chef::Log.warn("Current #{self}: #{self.source_line}") if self.source_line
prior_resource.instance_variables.each do |iv|
unless iv.to_sym == :@source_line || iv.to_sym == :@action || iv.to_sym == :@not_if || iv.to_sym == :@only_if
self.instance_variable_set(iv, prior_resource.instance_variable_get(iv))
end
end
true
rescue Chef::Exceptions::ResourceNotFound => e
true
end
end