name: Update README.md when PR is opened, reopened, or on sync

on:
  pull_request:
    types: [ opened, synchronize, reopened ]
    branches: [ master, main ]

jobs:
  update-readme:
    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, '[skip ci]')"
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 13
      - name: Build the readme
        run: |
          npm install
          npm run build:readme
      - name: Commit updates to README.md
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add README.md
          git commit -m "chore: update README.md" || echo "No changes, skipping commit"
      - name: Push changes
        if: success()
        uses: ad-m/github-push-action@v0.6.0
        with:
          branch: ${{ github.event.pull_request.head.ref }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
  run-danger:
    runs-on: ubuntu-latest
    needs: update-readme
    if: "!contains(github.event.head_commit.message, '[skip ci]')"
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 13
      - name: Set up Ruby 3.1.2
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.1.2
      - name: Install and run awesome_bot
        # It's okay for awesome_bot to fail. Danger will post a comment on the PR if it fails.
        run: |
          gem install awesome_bot
          awesome_bot --allow 429 --allow-redirect --allow-dupe --allow-ssl -w ipfs.io README.md || echo
      - name: Run danger
        run: npx --yes danger ci
        env:
          DANGER_GITHUB_API_TOKEN: ${{ secrets.DANGER_GITHUB_API_TOKEN }}