From 9196085abb8c5162335d34e50fcc5870336fe901 Mon Sep 17 00:00:00 2001
From: ydah <13041216+ydah@users.noreply.github.com>
Date: Fri, 6 Jan 2023 00:48:31 +0900
Subject: [PATCH] Use concurrency for GitHub Actions workflow

This PR ensures that only the last execution per branch
always works, even when pushed multiple times in a row,
for example. The older one is canceled.

Refs:
https://docs.github.com/en/actions/using-jobs/using-concurrency
https://github.blog/changelog/2021-04-19-github-actions-limit-workflow-run-or-job-concurrency/
---
 .github/workflows/codespell.yml | 3 +++
 .github/workflows/linting.yml   | 3 +++
 .github/workflows/main.yml      | 4 ++++
 3 files changed, 10 insertions(+)

diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 7259049ba..e9dc06b17 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -1,6 +1,9 @@
 name: CodeSpell
 on:
   - pull_request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
   codespell:
     name: CodeSpell
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 057753096..0256c185f 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -1,6 +1,9 @@
 name: Linting
 on:
   - pull_request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
   yamllint:
     name: Yamllint
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ee75d9fb6..f4d986829 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,6 +6,10 @@ on:
     branches:
       - master
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   confirm_config_and_documentation:
     runs-on: ubuntu-latest