add_default_command_options (Capistrano::Configuration::Actions::Invocation)

    # File lib/capistrano/configuration/actions/invocation.rb, line 254
            def add_default_command_options(options)
              defaults = self[:default_run_options]
              options = defaults.merge(options)

              env = self[:default_environment]
              env = env.merge(options[:env]) if options[:env]
              options[:env] = env unless env.empty?

              shell = options[:shell] || self[:default_shell]
              options[:shell] = shell unless shell.nil?

              options
            end