Add void return types to callables

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

core/Command/Upgrade.php

@@ -105,7 +105,7 @@ class Upgrade extends Command {
 			$dispatcher = \OC::$server->get(IEventDispatcher::class);
 			$progress = new ProgressBar($output);
 			$progress->setFormat(" %message%\n %current%/%max% [%bar%] %percent:3s%%");
-			$listener = function (MigratorExecuteSqlEvent $event) use ($progress, $output) {
+			$listener = function (MigratorExecuteSqlEvent $event) use ($progress, $output): void {
 				$message = $event->getSql();
 				if (OutputInterface::VERBOSITY_NORMAL < $output->getVerbosity()) {
 					$output->writeln(' Executing SQL ' . $message);
@@ -126,7 +126,7 @@ class Upgrade extends Command {
 					}
 				}
 			};
-			$repairListener = function (Event $event) use ($progress, $output) {
+			$repairListener = function (Event $event) use ($progress, $output): void {
 				if ($event instanceof RepairStartEvent) {
 					$progress->setMessage('Starting ...');
 					$output->writeln($event->getCurrentStepName());

core/ajax/update.php

@@ -121,9 +121,12 @@ if (\OCP\Util::needUpgrade()) {
 
 	/** @var IEventDispatcher $dispatcher */
 	$dispatcher = \OC::$server->get(IEventDispatcher::class);
-	$dispatcher->addListener(MigratorExecuteSqlEvent::class, function (MigratorExecuteSqlEvent $event) use ($eventSource, $l) {
-		$eventSource->send('success', $l->t('[%d / %d]: %s', [$event->getCurrentStep(), $event->getMaxStep(), $event->getSql()]));
-	});
+	$dispatcher->addListener(
+		MigratorExecuteSqlEvent::class,
+		function (MigratorExecuteSqlEvent $event) use ($eventSource, $l): void {
+			$eventSource->send('success', $l->t('[%d / %d]: %s', [$event->getCurrentStep(), $event->getMaxStep(), $event->getSql()]));
+		}
+	);
 	$feedBack = new FeedBackHandler($eventSource, $l);
 	$dispatcher->addListener(RepairStartEvent::class, [$feedBack, 'handleRepairFeedback']);
 	$dispatcher->addListener(RepairAdvanceEvent::class, [$feedBack, 'handleRepairFeedback']);

lib/private/Updater.php

@@ -447,12 +447,12 @@ class Updater extends BasicEmitter {
 		$dispatcher = \OC::$server->get(IEventDispatcher::class);
 		$dispatcher->addListener(
 			MigratorExecuteSqlEvent::class,
-			function (MigratorExecuteSqlEvent $event) use ($log) {
+			function (MigratorExecuteSqlEvent $event) use ($log): void {
 				$log->info(get_class($event).': ' . $event->getSql() . ' (' . $event->getCurrentStep() . ' of ' . $event->getMaxStep() . ')', ['app' => 'updater']);
 			}
 		);
 
-		$repairListener = function (Event $event) use ($log) {
+		$repairListener = function (Event $event) use ($log): void {
 			if ($event instanceof RepairStartEvent) {
 				$log->info(get_class($event).': Starting ... ' . $event->getMaxStep() .  ' (' . $event->getCurrentStepName() . ')', ['app' => 'updater']);
 			} elseif ($event instanceof RepairAdvanceEvent) {