Tip of the day: patching legacy Drupal 7 projects with Composer
Some late Drupal 7 projects use Composer for project structure and tooling, even though they don't use Composer for the Drupal requirements proper. In that case, the normal Drupal 8/9 patching process using cweagans/composer-patches is not available, since dependencies are not handled with Composer. So is there a way to apply patches cleanly from Composer ? Sure there is! Let's see how.