class ChefCLI::PolicyfileServices::ShowPolicy

def run
  if show_policy_revision?
    display_policy_revision
  elsif show_all_policies?
    display_all_policies
  else
    display_single_policy
  end
  true
rescue PolicyfileNestedException
  raise
rescue => e
  raise PolicyfileListError.new("Failed to list policyfile data from the server", e)
end