From dc2285715edfc6cfcd46a1aeb6daff63d284105b Mon Sep 17 00:00:00 2001
From: Thomas Leplus <thomasleplus@users.noreply.github.com>
Date: Mon, 14 Oct 2024 16:35:34 +0530
Subject: [PATCH] Automerge semver upgrades

---
 .github/workflows/automerge.yml | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
index baaeafd..f5870fc 100644
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@@ -17,7 +17,18 @@ jobs:
         if: env.RELEASE_TOKEN != ''
         run: echo "${RELEASE_TOKEN}" | gh auth login --with-token
       - name: Enable auto-merge for Dependabot PRs
-        run: gh pr merge --auto --squash "${PR_URL}" && gh pr review --approve "${PR_URL}"
+        run: |
+          gh pr merge --auto --squash "${PR_URL}"
+          # Checking the PR title is a poor substitute for the actual PR changes
+          # but as long as this is used only with dependabot PRs,
+          # it should be safe to assume that the title is not misleading.
+          regexp='^Bump .* from [0-9]+\.[0-9]+\.[0-9]+ to [0-9]+\.[0-9]+\.[0-9]+( in .*)?$'
+          if [[ "${PR_TITLE}" =~ $regexp ]]; then
+            gh pr review --approve "${PR_URL}"
+          else
+            echo 'Non-semver upgrade needs manual review'
+          fi
         env:
+          PR_TITLE: ${{github.event.pull_request.title}}
           PR_URL: ${{github.event.pull_request.html_url}}
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}