# File vendor/rails/railties/lib/commands/plugin.rb, line 821
821:     def initialize(base_command)
822:       @base_command = base_command
823:     end

     # File vendor/rails/railties/lib/commands/plugin.rb, line 825
825:     def options
826:       OptionParser.new do |o|
827:         o.set_summary_indent('  ')
828:         o.banner =    "Usage: #{@base_command.script_name} update [name [name]...]"
829:         o.on(         "-r REVISION", "--revision REVISION",
830:                       "Checks out the given revision from subversion.",
831:                       "Ignored if subversion is not used.") { |v| @revision = v }
832:         o.define_head "Update plugins."
833:       end
834:     end

     # File vendor/rails/railties/lib/commands/plugin.rb, line 836
836:     def parse!(args)
837:       options.parse!(args)
838:       root = @base_command.environment.root
839:       cd root
840:       args = Dir["vendor/plugins/*"].map do |f|
841:         File.directory?("#{f}/.svn") ? File.basename(f) : nil
842:       end.compact if args.empty?
843:       cd "vendor/plugins"
844:       args.each do |name|
845:         if File.directory?(name)
846:           puts "Updating plugin: #{name}"
847:           system("svn #{$verbose ? '' : '-q'} up \"#{name}\" #{@revision ? "-r #{@revision}" : ''}")
848:         else
849:           puts "Plugin doesn't exist: #{name}"
850:         end
851:       end
852:     end