parse_arguments

# File railties/lib/rails/commands/dbconsole.rb, line 123
    def parse_arguments(arguments)
      options = {}

      OptionParser.new do |opt|
        opt.banner = "Usage: rails dbconsole [environment] [options]"
        opt.on("-p", "--include-password", "Automatically provide the password from database.yml") do |v|
          options['include_password'] = true
        end

        opt.on("--mode [MODE]", ['html', 'list', 'line', 'column'],
          "Automatically put the sqlite3 database in the specified mode (html, list, line, column).") do |mode|
            options['mode'] = mode
        end

        opt.on("--header") do |h|
          options['header'] = h
        end

        opt.on("-h", "--help", "Show this help message.") do
          puts opt
          exit
        end

        opt.on("-e", "--environment=name", String,
          "Specifies the environment to run this console under (test/development/production).",
          "Default: development"
        ) { |v| options[:environment] = v.strip }

        opt.parse!(arguments)
        abort opt.to_s unless (0..1).include?(arguments.size)
      end

      if arguments.first && arguments.first[0] != '-'
        env = arguments.first
        if available_environments.include? env
          options[:environment] = env
        else
          options[:environment] = %(production development test).detect {|e| e =~ /^#{env}/} || env
        end
      end

      options
    end