From 52a0a3186036a977a5d4a0f896152e253c060849 Mon Sep 17 00:00:00 2001
From: Marco Schaeck <marco.schaeck@outlook.de>
Date: Fri, 21 Aug 2026 13:56:43 +0200
Subject: [PATCH] ci: auto-merge Dependabot patch and minor updates

---
 .github/workflows/dependabot-automerge.yml | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 .github/workflows/dependabot-automerge.yml

diff --git a/.github/workflows/dependabot-automerge.yml b/.github/workflows/dependabot-automerge.yml
new file mode 100644
index 0000000..4dfd375
--- /dev/null
+++ b/.github/workflows/dependabot-automerge.yml
@@ -0,0 +1,34 @@
+# Auto-merge Dependabot patch/minor updates once the required checks pass; majors stay manual.
+name: Dependabot auto-merge
+
+on: pull_request
+
+# Least privilege: only what enabling auto-merge on a PR needs.
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  auto-merge:
+    if: github.actor == 'dependabot[bot]'
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Fetch Dependabot metadata
+        id: meta
+        uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98 # v3.1.0
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Enable auto-merge for patch and minor updates
+        if: steps.meta.outputs.update-type == 'version-update:semver-patch' || steps.meta.outputs.update-type == 'version-update:semver-minor'
+        run: |
+          for i in 1 2 3 4 5; do
+            gh pr merge --auto --squash "$PR_URL" && exit 0
+            echo "enablePullRequestAutoMerge race (attempt $i) — retrying in 15s…"
+            sleep 15
+          done
+          exit 1
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}