From 0693b9fc451f50963dcbcb1b017f73fb80112d7d Mon Sep 17 00:00:00 2001
From: Matthew Feickert <matthew.feickert@cern.ch>
Date: Fri, 1 Apr 2022 18:24:56 -0500
Subject: [PATCH] ci: Add concurrency group to HEAD of dependencies workflow
 (#1836)

* Use a concurrency group to limit the HEAD of dependencies workflow
to only one run at a time.
   - c.f. https://docs.github.com/en/actions/using-jobs/using-concurrency
---
 .github/workflows/dependencies-head.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/dependencies-head.yml b/.github/workflows/dependencies-head.yml
index e8ce87c5bf..e87b207611 100644
--- a/.github/workflows/dependencies-head.yml
+++ b/.github/workflows/dependencies-head.yml
@@ -6,6 +6,10 @@ on:
   - cron:  '1 0 * * *'
   workflow_dispatch:
 
+concurrency:
+  group: dependencies-head-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   release-candidates: