From 7ec82740cd718e7fae0506f1671315157f4d0047 Mon Sep 17 00:00:00 2001
From: Jason Ish <jason.ish@oisf.net>
Date: Mon, 1 Jun 2026 16:07:21 -0600
Subject: [PATCH] github-ci: cancel previous nix workflow for branch

On push, cancel previous nix workflows for the same branch.
---
 .github/workflows/nix.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 5f97dd17e1..02ebc7b4f4 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -2,6 +2,9 @@ name: "Nix Env Build"
 on:
   pull_request:
   push:
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
   tests:
     runs-on: ubuntu-latest