From f1cdb3a408b0279d950aa98b3e069db8d6b1b7a0 Mon Sep 17 00:00:00 2001
From: Matt Gaunt-Seo <matt.gaunt@sentry.io>
Date: Thu, 15 Sep 2022 10:30:22 -0700
Subject: [PATCH] ci(frontend): Limit concurrency of frontend workflow on PRs

---
 .github/workflows/frontend.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/frontend.yml b/.github/workflows/frontend.yml
index a04054a803bf9e..e947f8fd09cf6b 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/frontend.yml
@@ -6,6 +6,12 @@ on:
       - master
   pull_request:
 
+# Cancel in progress workflows on pull_requests.
+# https://docs.github.com/en/actions/using-jobs/using-concurrency#example-using-a-fallback-value
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 # hack for https://github.com/actions/cache/issues/810#issuecomment-1222550359
 env:
   SEGMENT_DOWNLOAD_TIMEOUT_MIN: 3