From 5f2c0509731bd906003e92f436a935ef5e952621 Mon Sep 17 00:00:00 2001
From: Frank Osterfeld <frank.osterfeld@kdab.com>
Date: Fri, 6 Dec 2024 16:29:23 +0100
Subject: [PATCH] CI: Cancel existing builds when PR branch is updated

Signed-off-by: Frank Osterfeld <frank.osterfeld@kdab.com>
---
 .github/workflows/ci.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4eebe92..be36615c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,6 +61,10 @@ jobs:
     name: "${{ matrix.compiler.cc }} | ${{ matrix.cmake-build-type }}"
     needs: buildAndPublishDocker
     runs-on: "ubuntu-latest"
+    concurrency:
+      # Cancel running builds inside work (PR) branches, build all revisions for the main branch
+      group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}-${{ matrix.compiler.cc }}-${{ matrix.cmake-build-type }}
+      cancel-in-progress: true
     container:
       image: "${{ needs.buildAndPublishDocker.outputs.container }}"
     strategy: