FileUtils#chown_R

# File tmp/rubies/ruby-4.1.0-preview1/lib/fileutils.rb, line 1939
def chown_R(user, group, list, noop: nil, verbose: nil, force: nil)
  list = fu_list(list)
  fu_output_message sprintf('chown -R%s %s %s',
                            (force ? 'f' : ''),
                            (group ? "#{user}:#{group}" : user || ':'),
                            list.join(' ')) if verbose
  return if noop
  uid = fu_get_uid(user)
  gid = fu_get_gid(group)
  list.each do |root|
    Entry_.new(root).traverse do |ent|
      begin
        ent.chown uid, gid
      rescue
        raise unless force
      end
    end
  end
end