From 4e4f65abdc4161d85533414338a3ba03d3c90bd0 Mon Sep 17 00:00:00 2001
From: Felix Fontein <felix@fontein.de>
Date: Sun, 31 May 2026 17:33:16 +0200
Subject: [PATCH] Auto-cancel older PR nox runs. (#1268)

---
 .github/workflows/nox.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/nox.yml b/.github/workflows/nox.yml
index 606ea459..254f8425 100644
--- a/.github/workflows/nox.yml
+++ b/.github/workflows/nox.yml
@@ -15,6 +15,11 @@ name: nox
     - cron: '0 9 * * *'
   workflow_dispatch:
 
+concurrency:
+  # Make sure there is at most one active run per PR, but do not cancel any non-PR runs
+  group: ${{ github.workflow }}-${{ (github.head_ref && github.event.number) || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   nox:
     uses: ansible-community/antsibull-nox/.github/workflows/reusable-nox-run.yml@main