From 5d174f1165cf43889fd9bbbc9d7dbb8eb4e8ef2e Mon Sep 17 00:00:00 2001
From: Peter Corke <peter.i.corke@gmail.com>
Date: Mon, 14 Sep 2026 16:50:49 +0200
Subject: [PATCH] ci: auto-merge patch/minor dependabot PRs

Matches the pattern already in place on bdsim and MVTB: dependabot PRs
that are patch or minor version bumps auto-merge once required checks
pass; major bumps are left for manual review.
---
 .github/workflows/dependabot-auto-merge.yml | 25 +++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 .github/workflows/dependabot-auto-merge.yml

diff --git a/.github/workflows/dependabot-auto-merge.yml b/.github/workflows/dependabot-auto-merge.yml
new file mode 100644
index 00000000..8de7f45f
--- /dev/null
+++ b/.github/workflows/dependabot-auto-merge.yml
@@ -0,0 +1,25 @@
+name: Dependabot auto-merge
+
+on: pull_request
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v3
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Enable auto-merge for patch/minor bumps
+        if: ${{ steps.metadata.outputs.update-type == 'version-update:semver-patch' || steps.metadata.outputs.update-type == 'version-update:semver-minor' }}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}