class ChefCLI::PolicyfileCompiler

def default_attributes
  check_for_default_attribute_conflicts!
  included_policies.map(&:policyfile_lock).inject(
    dsl.node_attributes.combined_default.to_hash
  ) do |acc, lock|
    Chef::Mixin::DeepMerge.merge(acc, lock.default_attributes)
  end
end