From a69366557c35122078543fcbfd4acdeace33059b Mon Sep 17 00:00:00 2001
From: "Dmitry Grand (dmgr)" <dmgr@google.com>
Date: Mon, 28 Sep 2026 12:16:43 -0700
Subject: [PATCH] use head_sha field of guard document to re-create presubmit
 check-run

---
 app_dart/lib/src/service/luci_build_service.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app_dart/lib/src/service/luci_build_service.dart b/app_dart/lib/src/service/luci_build_service.dart
index 70d42d043..4bad36f10 100644
--- a/app_dart/lib/src/service/luci_build_service.dart
+++ b/app_dart/lib/src/service/luci_build_service.dart
@@ -464,7 +464,7 @@ class LuciBuildService {
             await _githubChecksUtil.createCheckRun(
               _config,
               slug,
-              checkRun.headSha ?? commitSha,
+              guard.commitSha,
               Config.kPresubmitCheckName,
               output: const CheckRunOutput(
                 title: Config.kPresubmitCheckName,