From c899a2179a84c178c756f4751d9875d37cc24aff Mon Sep 17 00:00:00 2001
From: Min Zhu <zhumin@google.com>
Date: Fri, 12 Jun 2026 09:55:16 -0400
Subject: [PATCH] chore(ci): print git diff on librarian check failure

---
 .github/workflows/librarian_generation_check.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/librarian_generation_check.yaml b/.github/workflows/librarian_generation_check.yaml
index 462d5d710509..c638578a5a74 100644
--- a/.github/workflows/librarian_generation_check.yaml
+++ b/.github/workflows/librarian_generation_check.yaml
@@ -73,6 +73,9 @@ jobs:
       run: |
         if [ -n "$(git status --porcelain)" ]; then
           git status
+          echo "==================== GIT DIFF ===================="
+          git diff
+          echo "=================================================="
           echo "Regeneration produced code changes! Please run 'librarian generate --all' to update the generated files."
           exit 1
         fi