options

# File railties/lib/rails/commands/plugin.rb, line 291
    def options
      OptionParser.new do |o|
        o.set_summary_indent('  ')
        o.banner =    "Usage: plugin [OPTIONS] command"
        o.define_head "Rails plugin manager."

        o.separator ""
        o.separator "GENERAL OPTIONS"

        o.on("-r", "--root=DIR", String,
             "Set an explicit rails app directory.",
             "Default: #{@rails_root}") { |rails_root| @rails_root = rails_root; self.environment = RailsEnvironment.new(@rails_root) }

        o.on("-v", "--verbose", "Turn on verbose output.") { |verbose| $verbose = verbose }
        o.on("-h", "--help", "Show this help message.") { puts o; exit }

        o.separator ""
        o.separator "COMMANDS"

        o.separator "  install    Install plugin(s) from known repositories or URLs."
        o.separator "  remove     Uninstall plugins."

        o.separator ""
        o.separator "EXAMPLES"
        o.separator "  Install a plugin from a subversion URL:"
        o.separator "    #{@script_name} plugin install http://dev.rubyonrails.com/svn/rails/plugins/continuous_builder\n"
        o.separator "  Install a plugin from a git URL:"
        o.separator "    #{@script_name} plugin install git://github.com/SomeGuy/my_awesome_plugin.git\n"
        o.separator "  Install a plugin and add a svn:externals entry to vendor/plugins"
        o.separator "    #{@script_name} plugin install -x continuous_builder\n"
      end
    end