From a6e4a0078b1ae0d272963b8ff4382a50b323f56a Mon Sep 17 00:00:00 2001
From: Andrei Dziahel <develop7@develop7.info>
Date: Thu, 7 Dec 2023 20:05:08 +0100
Subject: [PATCH] ci: test only head of branch

---
 .github/workflows/ci.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index bf9ad30eb..7538259d5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,6 +11,11 @@ on:
     branches:
       - main
       - rel-*
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  
+  # Terminate all previous runs of the same workflow and branch/tag, except for main and release branches/tags
+  cancel-in-progress: "${{ !(github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/rel-')) }}"
 
 jobs:
   Prepopulate-Nix-Cache-Linux: