From c42fde5d078799cc9d8a5e3b241512841db420ea Mon Sep 17 00:00:00 2001
From: Gold856 <117957790+Gold856@users.noreply.github.com>
Date: Sun, 3 Aug 2025 14:37:40 -0400
Subject: [PATCH] [ci] Make upstream_utils check error with a more clear
 message (#8153)

Now it links to the README in upstream_utils.
---
 .github/workflows/upstream-utils.yml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/upstream-utils.yml b/.github/workflows/upstream-utils.yml
index e4d97ca387..2a10457dad 100644
--- a/.github/workflows/upstream-utils.yml
+++ b/.github/workflows/upstream-utils.yml
@@ -141,4 +141,11 @@ jobs:
       - name: Add untracked files to index so they count as changes
         run: git add -A
       - name: Check output
-        run: git --no-pager diff --exit-code HEAD ':!*.bazel'
+        run: |
+          set +e
+          git --no-pager diff --exit-code HEAD ':!*.bazel'
+          git_exit_code=$?
+          if test "$git_exit_code" -ne "0"; then
+            echo "::error ::upstream_utils check failed. This is usually caused by a bad script or the copied files differing from what the script outputs. You can learn more about using upstream_utils to modify thirdparty libraries at https://github.com/wpilibsuite/allwpilib/blob/main/upstream_utils/README.md"
+            exit $git_exit_code
+          fi