From 3fbe2d771c9eb71f7157cac0cb21cdb09f9fb7a6 Mon Sep 17 00:00:00 2001
From: Ben Meadors <benmmeadors@gmail.com>
Date: Mon, 24 Jul 2023 09:47:16 -0500
Subject: [PATCH] Hopefully this cancels previous CI runs for a branch (#2642)

---
 .github/workflows/main_matrix.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/main_matrix.yml b/.github/workflows/main_matrix.yml
index 573728ff0..454ffb71a 100644
--- a/.github/workflows/main_matrix.yml
+++ b/.github/workflows/main_matrix.yml
@@ -1,4 +1,7 @@
 name: CI
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
 on:
   # # Triggers the workflow on push but only for the master branch
   push: