Platformsh\Cli\Command\CommandBase::updateDrushAliases PHP Method

    public function updateDrushAliases(EnvironmentsChangedEvent $event)
    {
        $projectRoot = $this->getProjectRoot();
        if (!$projectRoot) {
            return;
        }
        // Double-check that the passed project is the current one.
        $currentProject = $this->getCurrentProject();
        if (!$currentProject || $currentProject->id != $event->getProject()->id) {
            return;
        }
        // Ignore the project if it doesn't contain a Drupal application.
        if (!Drupal::isDrupal($projectRoot)) {
            return;
        }
        $this->debug('Updating Drush aliases');
        /** @var \Platformsh\Cli\Helper\DrushHelper $drushHelper */
        $drushHelper = $this->getHelper('drush');
        $drushHelper->setHomeDir($this->getHomeDir());
        $drushHelper->createAliases($event->getProject(), $projectRoot, $event->getEnvironments());
    }