From b4be482efd8d53757afa2db712d0a41acfd072f3 Mon Sep 17 00:00:00 2001
From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Tue, 18 Nov 2025 17:57:37 -0800
Subject: [PATCH] CI: cancel stale workflows.

---
 .github/workflows/check-pr.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/check-pr.yml b/.github/workflows/check-pr.yml
index 03b0c3db..d71addbd 100644
--- a/.github/workflows/check-pr.yml
+++ b/.github/workflows/check-pr.yml
@@ -3,6 +3,10 @@ name: check-pr
 on:
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
+
 jobs:
   build:
     runs-on: [ ubuntu-24.04 ]
-- 
2.47.3