# 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