chore: auotmatically merge dependabot PRs (#255)

If a dependabot PR bumps a patch or minor version, and tests are green, just merge it. This reduces toil for maintainers. Signed-off-by: Will Murphy <[email protected]>
anchore · Dec 11, 2023 · 951d915 · 951d915
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commit 951d915
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/.github/workflows/dependabot-auto-merge.yaml b/.github/workflows/dependabot-auto-merge.yaml
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+# see https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#enable-auto-merge-on-a-pull-request
+
+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@c9c4182bf1b97f5224aee3906fd373f6b61b4526 # v1.6.0
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Enable auto-merge for Dependabot PRs
+        if: steps.metadata.outputs.update-type == 'version-update:semver-patch' || steps.metadata.outputs.update-type == 'version-update:semver-minor'
+        run: gh pr merge --auto --squash "$PR_URL" && gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}