add_encrypted_file_silently

# File railties/lib/rails/generators/rails/encrypted_file/encrypted_file_generator.rb, line 9
      def add_encrypted_file_silently(file_path, key_path, template = encrypted_file_template)
        unless File.exist?(file_path)
          setup = { content_path: file_path, key_path: key_path, env_key: "RAILS_MASTER_KEY", raise_if_missing_key: true }
          ActiveSupport::EncryptedFile.new(setup).write(template)
        end
      end