From 34eb3b9e4b8eb6160761b4b22c63e2f249028bcf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Zasso?= <targos@protonmail.com>
Date: Wed, 16 Feb 2022 16:30:01 +0100
Subject: [PATCH] build: prevent concurrent CI and CQ worflow runs

Use concurrency groups to prevent new runs from being started while a
previous job is already running. This can happen when a lot of unrelated
jobs are pending because of runner exhaustion.
---
 .github/workflows/auto-start-ci.yml | 2 ++
 .github/workflows/commit-queue.yml  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/.github/workflows/auto-start-ci.yml b/.github/workflows/auto-start-ci.yml
index 3c5ad5948cb11f..57051fd1f3da03 100644
--- a/.github/workflows/auto-start-ci.yml
+++ b/.github/workflows/auto-start-ci.yml
@@ -8,6 +8,8 @@ on:
     # ./doc/contributing/commit-queue.md
     - cron: '*/5 * * * *'
 
+concurrency: auto-start-ci
+
 env:
   NODE_VERSION: lts/*
 
diff --git a/.github/workflows/commit-queue.yml b/.github/workflows/commit-queue.yml
index f4aee6dd37a3ee..a873d852e223c8 100644
--- a/.github/workflows/commit-queue.yml
+++ b/.github/workflows/commit-queue.yml
@@ -13,6 +13,8 @@ on:
   schedule:
     - cron: '*/5 * * * *'
 
+concurrency: commit-queue
+
 env:
   NODE_VERSION: lts/*