From b3974891f1e79ef2479d67c38003ab93dab1aa0d Mon Sep 17 00:00:00 2001
From: David Anthoff <anthoff@berkeley.edu>
Date: Mon, 8 Aug 2022 11:55:10 -0700
Subject: [PATCH] Add concurrency control to GitHub workflow runs

---
 .github/workflows/test.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 169f8945..97151185 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,6 +9,9 @@ on:
       - 'master'
       - 'release-*'
     tags: '*'
+concurrency:
+  group: ${{ github.head_ref || github.ref_name || github.run_id }} 
+  cancel-in-progress: true
 jobs:
   test:
     runs-on: ${{ matrix.os }}