deploy_preview.yml

name: Deploy

on:
  pull_request:

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - id: get-dotcom-access-token
        uses: camertron/github-app-installation-auth-action@v1
        with:
          app-id: ${{ vars.DOTCOM_SHARED_COMPONENTS_APP_ID }}
          private-key: ${{ secrets.DOTCOM_SHARED_COMPONENTS_APP_PRIVATE_KEY }}
          client-id: ${{ vars.DOTCOM_SHARED_COMPONENTS_APP_CLIENT_ID }}
          client-secret: ${{ secrets.DOTCOM_SHARED_COMPONENTS_APP_CLIENT_SECRET }}
          installation-id: ${{ vars.DOTCOM_SHARED_COMPONENTS_APP_INSTALLATION_ID }}

      - name: Checkout default branch
        uses: actions/checkout@v2
        with:
          version: 16

      - name: Set up Node
        uses: actions/setup-node@v2
        with:
          node-version: 16

      - name: Cache dependencies
        uses: actions/cache@v2
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - name: Install dependencies
        run: yarn

      - name: Build
        run: yarn build:preview
        env:
          GITHUB_TOKEN: ${{ steps.get-dotcom-access-token.outputs.access-token }}

      - name: Archive build output
        run: "tar --dereference --directory public -cvf artifact.tar ."

      - name: Upload artifact
        uses: actions/upload-artifact@main
        with:
          name: github-pages
          path: artifact.tar

  deploy-preview:
    if: ${{ github.repository == 'primer/design' }}
    name: Preview
    runs-on: ubuntu-latest
    needs: build
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    permissions:
      contents: read
      pages: write
      id-token: write
    outputs:
      deployment_url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1
        with:
          preview: true