class Sass::Exec::SassConvert

def set_opts(opts)
  opts.banner = <<END
 sass-convert [options] [INPUT] [OUTPUT]
ption:
erts between CSS, Sass, and SCSS files.
 converts from SCSS to Sass,
onverts from CSS to SCSS (adding appropriate nesting).
s:
  opts.on('-F', '--from FORMAT',
    'The format to convert from. Can be css, scss, sass, less.',
    'By default, this is inferred from the input filename.',
    'If there is none, defaults to css.') do |name|
    @options[:from] = name.downcase.to_sym
    unless [:css, :scss, :sass, :less].include?(@options[:from])
      raise "Unknown format for sass-convert --from: #{name}"
    end
    try_less_note if @options[:from] == :less
  end
  opts.on('-T', '--to FORMAT',
    'The format to convert to. Can be scss or sass.',
    'By default, this is inferred from the output filename.',
    'If there is none, defaults to sass.') do |name|
    @options[:to] = name.downcase.to_sym
    unless [:scss, :sass].include?(@options[:to])
      raise "Unknown format for sass-convert --to: #{name}"
    end
  end
  opts.on('-R', '--recursive',
    'Convert all the files in a directory. Requires --from and --to.') do
    @options[:recursive] = true
  end
  opts.on('-i', '--in-place',
    'Convert a file to its own syntax.',
    'This can be used to update some deprecated syntax.') do
    @options[:in_place] = true
  end
  opts.on('--dasherize', 'Convert underscores to dashes') do
    @options[:for_tree][:dasherize] = true
  end
  opts.on('--indent NUM',
    'How many spaces to use for each level of indentation. Defaults to 2.',
    '"t" means use hard tabs.') do |indent|
    if indent == 't'
      @options[:for_tree][:indent] = "\t"
    else
      @options[:for_tree][:indent] = " " * indent.to_i
    end
  end
  opts.on('--old', 'Output the old-style ":prop val" property syntax.',
                   'Only meaningful when generating Sass.') do
    @options[:for_tree][:old] = true
  end
  opts.on('-C', '--no-cache', "Don't cache to sassc files.") do
    @options[:for_engine][:read_cache] = false
  end
  unless ::Sass::Util.ruby1_8?
    opts.on('-E encoding', 'Specify the default encoding for Sass and CSS files.') do |encoding|
      Encoding.default_external = encoding
    end
  end
  super
end