From 15e64e8e500ab0372bd42a776e025c513d4886a8 Mon Sep 17 00:00:00 2001
From: Dimitri Huisman <diman@huisman.xyz>
Date: Mon, 6 Dec 2021 15:22:42 +0000
Subject: [PATCH] Add concurrency to ensure that only a single workflow can run
 for a branch.

---
 .github/workflows/CI.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 8cc174f7..51f569f8 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -12,6 +12,8 @@ on:
       # test branches, e.g. test-debian
       - test-*
 
+concurrency: ci-${{ github.ref }}
+
 ###############################################
 # REQUIRED secrets
 # DOCKER_UN: ${{ secrets.Docker_Login }}