From 095cb4654d335b67603e0af236fbb4191bc31db2 Mon Sep 17 00:00:00 2001
From: Nicholas Shahan <nshahan@google.com>
Date: Thu, 5 Jun 2025 12:34:46 -0700
Subject: [PATCH] Use a synchronous StreamController for daemon logs

The logging from build_runner when running builds through a
daemon was asynchronous and was causing some `webdev build`
commands to missing the final status message.

Fixes: https://github.com/dart-lang/webdev/issues/2489
---
 build_runner/lib/src/daemon/daemon_builder.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build_runner/lib/src/daemon/daemon_builder.dart b/build_runner/lib/src/daemon/daemon_builder.dart
index 767f6d9af..b22f99f4d 100644
--- a/build_runner/lib/src/daemon/daemon_builder.dart
+++ b/build_runner/lib/src/daemon/daemon_builder.dart
@@ -231,7 +231,7 @@ class BuildRunnerDaemonBuilder implements DaemonBuilder {
     DaemonOptions daemonOptions,
   ) async {
     var expectedDeletes = <AssetId>{};
-    var outputStreamController = StreamController<ServerLog>();
+    var outputStreamController = StreamController<ServerLog>(sync: true);
 
     var environment = BuildEnvironment(
       packageGraph,