name: PR status checks
on:
  pull_request:
    types: [assigned, opened, synchronize, reopened]
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [16.x]
    steps:
      - uses: actions/checkout@v2
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}
      - name: Use Cache
        uses: actions/cache@v2
        with:
          path: |
            node_modules
            */*/node_modules
          key: ${{ runner.os }}-${{ matrix.node_version }}-${{ hashFiles('**/package-lock.json') }}
      - name: Install and build
        run: |
          npm install
      - name: Run status checks
        id: status_check
        run: |
          output=$(node ./status-checks)
          # Escape newlines so _all_ the output is included in the set-output
          output="${output//'%'/'%25'}"
          output="${output//$'\n'/'%0A'}"
          output="${output//$'\r'/'%0D'}"
          echo "::set-output name=status_check_output::$output"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Auto Comment Status Check Result
        # Use with caution
        uses: bubkoo/auto-comment@v1
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          pullRequestSynchronize: "${{ steps.status_check.outputs.status_check_output }}"
          pullRequestAssigned: "${{ steps.status_check.outputs.status_check_output }}"
          pullRequestOpened: "${{ steps.status_check.outputs.status_check_output }}"
          pullRequestReopened: "${{ steps.status_check.outputs.status_check_output }}"