dependabot.yml

name: Dependabot Pull Request Approve & Merge

on: pull_request

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions: read-all

jobs:
  dependabot:
    name: Dependabot
    permissions:
      contents: write
      pull-requests: write
    runs-on: ubuntu-latest

    if: ${{ github.actor == 'dependabot[bot]' }}
    steps:
      - name: Fetch Metadata
        id: dependabot-metadata
        uses: dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34  # v2.2.0
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"

      - name: Approve PR
        if: ${{ steps.dependabot-metadata.outputs.update-type == 'version-update:semver-patch' || steps.dependabot-metadata.outputs.update-type == 'version-update:semver-minor' }}
        run: |
          gh pr review --approve "${PR_URL}" -b "I'm **approving** this pull request because it includes a patch or minor update"
          gh pr edit "${PR_URL}" --add-label "dependabot: auto approve"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Auto-Merge Non-Major Updates
        if: ${{ steps.dependabot-metadata.outputs.update-type == 'version-update:semver-patch' || steps.dependabot-metadata.outputs.update-type == 'version-update:semver-minor' }}
        run: |
          gh pr comment "${PR_URL}" --body "I'm automatically merging this PR because it includes a patch or minor update"
          gh pr merge --auto --squash --delete-branch "${PR_URL}"
          gh pr edit "${PR_URL}" --add-label "dependabot: auto merge"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Comment & Label Major Updates
        if: ${{ steps.dependabot-metadata.outputs.update-type == 'version-update:semver-major' }}
        run: |
          gh pr comment "${PR_URL}" --body "I'm **NOT** automatically merging this PR because it includes a major update of a dependency"
          gh pr edit "${PR_URL}" --add-label "dependabot: manual merge"
        env:
          PR_URL: ${{ github.event.pull_request.html_url }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}