From f6cb4c265c8ff7dfac6932662f6486b5358be9a5 Mon Sep 17 00:00:00 2001
From: Ewoud Kohl van Wijngaarden <ewoud@kohlvanwijngaarden.nl>
Date: Tue, 22 Aug 2023 17:50:26 +0200
Subject: [PATCH] Add shellcheck to CI

This script is composed of many shell scripts and shellcheck can be used
to improve their quality. The workflow is copied from forklift.
---
 .github/workflows/shellcheck.yml | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 .github/workflows/shellcheck.yml

diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
new file mode 100644
index 0000000..535ff1e
--- /dev/null
+++ b/.github/workflows/shellcheck.yml
@@ -0,0 +1,25 @@
+---
+name: Differential ShellCheck
+
+on:
+  pull_request:
+    branches:
+      - master
+
+permissions:
+  contents: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Repository checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Differential ShellCheck
+        uses: redhat-plumbers-in-action/differential-shellcheck@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}