From 6c6d621dfe8784f99a0eddaee94bb22a823503b0 Mon Sep 17 00:00:00 2001
From: Elton Gao <yuanfeng@squareup.com>
Date: Tue, 17 Sep 2024 21:08:40 -0400
Subject: [PATCH] Fix new PR cancel previous PR's workflow (#918)

see
https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/control-the-concurrency-of-workflows-and-jobs#example-only-cancel-in-progress-jobs-on-specific-branches
---
 .github/workflows/tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6fa86386..2d39b228 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ on:
 
 # One active job per PR, cancel older ones on push
 concurrency:
-  group: ${{ github.head_ref || github.run_id }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 # NOTE: because matrix cannot easily be shared across jobs, it should be copied to each job