From b712a172f9694745f50505c93340883493b505e5 Mon Sep 17 00:00:00 2001
From: Todd Volkert <tvolkert@users.noreply.github.com>
Date: Tue, 9 Jul 2019 13:14:38 -0700
Subject: [PATCH] Fixed logLevel filter bug so that filter now works as
 expected (#35777)

Cherry-pick https://github.com/flutter/engine/pull/9717
---
 bin/internal/engine.version | 2 +-
 dev/bots/test.dart          | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 96e1d7d19a0ddc..5a1ccbd7745a73 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-b1cb0d9e9b44393efeb735f664672a74732cdc8b
+54ad777fd29b031b87c7a68a6637fb48c0932862
diff --git a/dev/bots/test.dart b/dev/bots/test.dart
index 4c8fde19cc5568..41bf4673910f40 100644
--- a/dev/bots/test.dart
+++ b/dev/bots/test.dart
@@ -787,10 +787,10 @@ Future<void> _verifyVersion(String filename) async {
     print('$redLine');
     exit(1);
   }
-  final RegExp pattern = RegExp(r'^\d+\.\d+\.\d+(?:|-pre\.\d+|\+hotfix\.\d+)$');
+  final RegExp pattern = RegExp(r'^\d+\.\d+\.\d+(?:|-pre\.\d+|\+hotfix\.\d+(-pre\.\d+)?)$');
   if (!version.contains(pattern)) {
     print('$redLine');
-    print('The version logic generated an invalid version string.');
+    print('The version logic generated an invalid version string ($version).');
     print('$redLine');
     exit(1);
   }