From 3d96095a0fed185fa6821648460ef1c5a5da1be8 Mon Sep 17 00:00:00 2001
From: Barrett Ruth <62671086+barrettruth@users.noreply.github.com>
Date: Sat, 25 Apr 2026 13:49:39 -0400
Subject: [PATCH] ci(reviewers): cancel redundant reviewer assignment runs per
 PR #39404

Problem: The reviewer assignment workflow can run multiple times for
the same PR.

Solution: Ensure only the newest review-assignment run continues with
workflow concurrency.
---
 .github/workflows/reviewers_add.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/reviewers_add.yml b/.github/workflows/reviewers_add.yml
index c18dd9f12a..b5d7fb19bd 100644
--- a/.github/workflows/reviewers_add.yml
+++ b/.github/workflows/reviewers_add.yml
@@ -6,6 +6,10 @@ on:
 
 permissions: {}
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   request-reviewer:
     if: github.event.pull_request.state == 'open' && github.event.pull_request.draft == false && !endsWith(github.actor, '[bot]')