def paths=(raw_paths)
    raw_paths = [raw_paths] unless raw_paths.respond_to? :each

    @paths = raw_paths.map { |path| Pathname.new(path) }
  end
def paths=(raw_paths)
    raw_paths = [raw_paths] unless raw_paths.respond_to? :each

    @paths = raw_paths.map { |path| Pathname.new(path) }
  end
Internal: Allows the paths for the FileSet to be set. It can either be an
 object that responds to `#each` like an Array or one that doesn't. In which
 case it will be considered a single path.

 All paths will be converted to Pathnames.