parse!

# File railties/lib/commands/plugin.rb, line 723
    def parse!(args)
      options.parse!(args)
      root = @base_command.environment.root
      args.each do |name|
        path = "#{root}/vendor/plugins/#{name}"
        if File.directory?(path)
          rm_r path
        else
          puts "Plugin doesn't exist: #{path}"
        end
        # clean up svn:externals
        externals = @base_command.environment.externals
        externals.reject!{|n,u| name == n or name == u}
        @base_command.environment.externals = externals
      end
    end