message: Restore warnings
diff: @@ -128,13 +128,13 @@ export default async function getOptions({ argv, env, flags, log, packageJson })
  throw new Error(invalidSingularOptions(['--only', '--only-changed']));
  }
  - // if (options.untraced && !options.onlyChanged) {
  - // throw new Error(dependentOption('--untraced', '--only-changed'));
  - // }
  + if (options.untraced && !options.onlyChanged) {
  + throw new Error(dependentOption('--untraced', '--only-changed'));
  + }
  - // if (options.externals && !options.onlyChanged) {
  - // throw new Error(dependentOption('--externals', '--only-changed'));
  - // }
  + if (options.externals && !options.onlyChanged) {
  + throw new Error(dependentOption('--externals', '--only-changed'));
  + }
  // No need to start or build Storybook if we're going to fetch from a URL
  if (storybookUrl) {
  