Deprecate appinfo/update.php - RepairSteps within info.xml are to be used

core/Command/App/CheckCode.php

@@ -170,6 +170,8 @@ class CheckCode extends Command {
 			$errors = array_merge($errors, $infoErrors);
 		}
 
+		$this->analyseUpdateFile($appId, $output);
+
 		if (empty($errors)) {
 			$output->writeln('<info>App is compliant - awesome job!</info>');
 			return 0;
@@ -178,4 +180,20 @@ class CheckCode extends Command {
 			return 101;
 		}
 	}
+
+	/**
+	 * @param string $appId
+	 * @param $output
+	 */
+	private function analyseUpdateFile($appId, OutputInterface $output) {
+		$appPath = \OC_App::getAppPath($appId);
+		if ($appPath === false) {
+			throw new \RuntimeException("No app with given id <$appId> known.");
+		}
+
+		$updatePhp = $appPath . '/appinfo/update.php';
+		if (file_exists($updatePhp)) {
+			$output->writeln("<info>Deprecated file found: $updatePhp - please use repair steps</info>");
+		}
+	}
 }