class Rails::API::Task

def configure_rdoc_files
  rdoc_files.include(api_main)
  RDOC_FILES.each do |component, cfg|
    cdr = component_root_dir(component)
    Array(cfg[:include]).each do |pattern|
      rdoc_files.include("#{cdr}/#{pattern}")
    end
    Array(cfg[:exclude]).each do |pattern|
      rdoc_files.exclude("#{cdr}/#{pattern}")
    end
  end
  # Only generate documentation for files that have been
  # changed since the API was generated.
  if Dir.exist?(api_dir) && !ENV["ALL"]
    last_generation = DateTime.rfc2822(File.open("#{api_dir}/created.rid", &:readline))
    rdoc_files.keep_if do |file|
      File.mtime(file).to_datetime > last_generation
    end
    # Nothing to do
    exit(0) if rdoc_files.empty?
  end
end