    # File lib/compass/exec/switch_ui.rb, line 55
        def set_opts(opts)
          opts.banner = "Usage: compass [options] [project]\n\nDescription:\nThe compass command line tool will help you create and manage the stylesheets for your project.\n\nTo get started on a stand-alone project based on blueprint:\n\n  compass -f blueprint my_compass_project\n\nWhen you change any sass files, you must recompile your project using --update or --watch.\n"
          opts.separator ''
          opts.separator 'Mode Options(only specify one):'

          opts.on('-i', '--install', :NONE, "Create a new compass project.",
                                            "  The default mode when a project is provided.") do
            self.options[:command] = :create_project
          end

          opts.on('-u', '--update', :NONE, 'Update the current project.',
                                           '  This is the default when no project is provided.') do
            self.options[:command] = :update_project
          end

          opts.on('-w', '--watch', :NONE, 'Monitor the current project for changes and update') do
            self.options[:command] = :watch_project
            self.options[:quiet] = true
          end

          opts.on('-p', '--pattern PATTERN', 'Stamp out a pattern into the current project.',
                                             '  Must be used with -f.') do |pattern|
            self.options[:command] = :stamp_pattern
            self.options[:pattern] = pattern
          end

          opts.on('-h', '--help') do
            self.options[:command] = :help
            self.options[:help_command] = :help
          end

          opts.on('--write-configuration', "Write the current configuration to the configuration file.") do
            self.options[:command] = :write_configuration
          end

          opts.on('--list-frameworks', "List compass frameworks available to use.") do
            self.options[:command] = :list_frameworks
          end

          opts.on('--validate', :NONE, 'Validate your project\'s compiled css. Requires Java.') do
            self.options[:command] = :validate_project
          end

          opts.on('--grid-img [DIMENSIONS]', 'Generate a background image to test grid alignment.',
                                             '  Dimension is given as <column_width>+<gutter_width>x<height>.',
                                             '  Defaults to 30+10x20. Height is optional.') do |dimensions|
            self.options[:grid_dimensions] = dimensions || "30+10"
            self.options[:command] = :generate_grid_background
          end

          opts.separator ''
          opts.separator 'Install/Pattern Options:'

          opts.on('-f FRAMEWORK', '--framework FRAMEWORK', 'Use the specified framework. Only one may be specified.') do |framework|
            self.options[:framework] = framework
          end

          opts.on('-n', '--pattern-name NAME', 'The name to use when stamping a pattern.',
                                               '  Must be used in combination with -p.') do |name|
            self.options[:pattern_name] = name
          end

          opts.on("-x", "--syntax SYNTAX", [:sass, :scss], "Specify the syntax to use when generating stylesheets.", "One of sass or scss. Defaults to scss.") do |syntax|
            self.options[:preferred_syntax] = syntax
          end

          opts.on('--rails', "Sets the app type to a rails project (same as --app rails).") do
            self.options[:project_type] = :rails
          end

          opts.on('--app APP_TYPE', 'Specify the kind of application to integrate with.') do |project_type|
            self.options[:project_type] = project_type.to_sym
          end

          opts.separator ''
          opts.separator 'Configuration Options:'

          set_project_options(opts)

          opts.separator ''
          opts.separator 'General Options:'

          set_global_options(opts)

          opts.on('--imports', :NONE, 'Emit an imports suitable for passing to the sass command-line.',
                                      '  Example: sass `compass --imports`',
                                      '  Note: Compass\'s Sass extensions will not be available.') do
            print ::Compass::Frameworks::ALL.map{|f| "-I #{f.stylesheets_directory}"}.join(' ')
            exit
          end

          opts.on('--install-dir', :NONE, 'Emit the location where compass is installed.') do
            puts ::Compass.base_directory
            exit
          end

          opts.on_tail("-v", "--version", "Print version") do
            self.options[:command] = :print_version
          end

          opts.on('--boring', :NONE, 'Turn off colorized output.') do
            self.options[:color_output] = false
          end

        end