def deployment
      return nil if target.nil?
      if @config_file.has_key?("deployment")
        if is_old_deployment_config?
          set_deployment(@config_file["deployment"])
          save
        end
        if @config_file["deployment"].is_a?(Hash)
          return @config_file["deployment"][target]
        end
      end
    end
def deployment
      return nil if target.nil?
      if @config_file.has_key?("deployment")
        if is_old_deployment_config?
          set_deployment(@config_file["deployment"])
          save
        end
        if @config_file["deployment"].is_a?(Hash)
          return @config_file["deployment"][target]
        end
      end
    end
Read the deployment configuration.  Return the deployment for the
 current target.

 @return [String?] The deployment path for the current target.