eslint-auto-update.yml

name: ESLint Fix
on: pull_request

permissions:
  contents: write
  pull-requests: write

jobs:
  # Has dependabot created this PR?
  dependabot-metadata:
    runs-on: ubuntu-latest
    if: ${{ github.actor == 'dependabot[bot]' }}
    outputs:
      dependency-group: ${{ steps.metadata.outputs.dependency-group }}
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v1
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
  # Is this PR an eslint upgrade?
  lint-test:
    runs-on: ubuntu-latest
    needs: dependabot-metadata
    if: ${{ needs.dependabot-metadata.outputs.dependency-group == 'eslint' }}
    outputs:
      outcome: ${{ steps.lint-test.outcome }}
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: Use Node.js 14.x
      uses: actions/setup-node@v1
      with:
        node-version: 14
    - name: Install
      run: npm ci
    - name: Lint test
      id: lint-test
      run: npm run lint
  # Has the eslint upgrade resulted in lint errors? If so, create a PR to attempt a lint --fix, in case they can be automatically resolved
  create-pr:
    runs-on: ubuntu-latest
    needs: lint-test
    if: ${{ always() && needs.lint-test.outputs.outcome == 'failure' }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.ref }}
      - name: Use Node.js 14.x
        uses: actions/setup-node@v1
        with:
          node-version: 14
      - name: Install
        run: npm ci
      - name: Lint Fix
        run: npm run lint-fix
      - name: git reset to include the version bumps in the PR
        run: git reset HEAD~1
      - name: Create Pull Request
        id: cpr
        uses: peter-evans/create-pull-request@v5
        with:
          path: ./
          token: ${{ secrets.DEPENDABOT_PUBLIC_REPO_ACCESS_TOKEN }}
          commit-message: ESLint --fix
          committer: openactive-bot <openactive-bot@users.noreply.github.com>
          author: openactive-bot <openactive-bot@users.noreply.github.com>
          signoff: false
          branch: ci/eslint
          base: master
          delete-branch: true
          title: 'ESLint fix'
          body: |
            Lint fixes based on the latest version of ESLint.
          labels: |
            automated pr
          draft: false
      - name: Auto-approve PR
        uses: hmarr/auto-approve-action@v3
        with:
          pull-request-number: ${{ steps.cpr.outputs.pull-request-number }}
      - name: Enable auto-merge for Dependabot PRs
        run: gh pr merge "$PR_URL" --auto --body "" --squash
        env:
          PR_URL: ${{ steps.cpr.outputs.pull-request-url }}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
      - name: Check outputs
        run: |
          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"