class ChefCLI::Policyfile::ChefServerLockFetcher

def errors
  error_messages = []
  [:server, :policy_name].each do |key|
    error_messages << "include_policy for #{name} is missing key #{key}" unless source_options[key]
  end
  if [:policy_revision_id, :policy_group].all? { |key| source_options[key].nil? }
    error_messages << "include_policy for #{name} must specify policy_revision_id or policy_group"
  end
  error_messages
end