From 330ce52f7935a54492476f272e671907fc230f73 Mon Sep 17 00:00:00 2001
From: Markus Frei <31855393+markuslf@users.noreply.github.com>
Date: Mon, 3 Aug 2026 11:34:09 +0200
Subject: [PATCH] ci: add CodeQL analysis for GitHub Actions workflows

---
 .github/workflows/codeql.yml | 51 ++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 .github/workflows/codeql.yml

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..7dc925a
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,51 @@
+name: 'CodeQL'
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    branches:
+      - 'main'
+  schedule:
+    - cron: '0 5 * * 5'
+
+permissions:
+  contents: 'read'
+
+jobs:
+  analyze:
+    name: 'Analyze'
+    runs-on: 'ubuntu-latest'
+    permissions:
+      actions: 'read'
+      contents: 'read'
+      security-events: 'write'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language:
+          - 'actions'
+
+    steps:
+      - name: 'Harden Runner'
+        uses: 'step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920' # v2.20.0
+        with:
+          egress-policy: 'audit'
+
+      - name: 'Checkout repository'
+        uses: 'actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1' # v7.0.1
+
+      - name: 'Initialize CodeQL'
+        uses: 'github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81' # v4.37.3
+        with:
+          languages: '${{ matrix.language }}'
+
+      - name: 'Autobuild'
+        uses: 'github/codeql-action/autobuild@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81' # v4.37.3
+
+      - name: 'Perform CodeQL Analysis'
+        uses: 'github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81' # v4.37.3
+        with:
+          category: '/language:${{ matrix.language }}'