check_people_md_pr.yml

name: Check for a new markdown file in docs/people
on:
  pull_request_target:
    paths:
      - 'docs/people/*.md'

jobs:
  check-for-new-md:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    env:
      Approve: true
      ADDED_FILES_COUNT: ""
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 2

      - name: Count Added Files
        id: count-files
        run: |
          PR_FILES=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
          "https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files" | \
          jq -r '.[].filename')

          ADDED_FILES_COUNT=$(echo "$PR_FILES" | grep -c '^.*[^/]$')

          echo "ADDED_FILES_COUNT=$ADDED_FILES_COUNT" >> $GITHUB_ENV
          echo "$ADDED_FILES_COUNT new file(s) were added"

      - name: Raise error if not exactly one file was added in the pr
        if: env.ADDED_FILES_COUNT  != '1'
        run: |
          echo "Error! Expected exactly 1 file to be added." >> $GITHUB_OUTPUT
          echo "Approve=false" >> $GITHUB_ENV
          exit 1

      - id: automerge
        name: automerge
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            try {
            // Attempt to merge the pull request using the squash method
            const response = await github.rest.pulls.merge({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              merge_method: "merge"
            })

            } catch(error) {
              // Set GitHub Action as failed
              core.setFailed(error.message);
            }