deploy-preview.yaml

name: "Deploy Preview"

on:
  pull_request:
    # allow repository maintainers to modify and test workflow
    paths:
      - ".github/workflows/deploy-preview.yaml"
  pull_request_target: # zizmor: ignore[dangerous-triggers]
    # enable runs for this workflow when labeled as safe only
    # prevent execution when the workflow itself is modified from a fork
    types:
      - labeled
      - synchronize

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  deploy-preview:
    name: Build & Deploy
    runs-on: ubuntu-latest
    if: |
      (github.event_name == 'pull_request_target' && contains(github.event.pull_request.labels.*.name, 'safe'))
      || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository)
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          persist-credentials: false
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.10"

      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: "18"

      - name: Build Assets
        run: npm ci && npm run prod

      # Must be run after "npm ci" because installing hugo-bin
      # removes the vendor directory that is created by "bundle install"
      # https://github.com/fenneclab/hugo-bin/blob/a5500e4f622f46886947d3438243bd97cfe6c04c/lib/install.js#L28-L30
      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 2.6
          bundler-cache: true

      - name: Fetch Documentation
        run: |
          python -m pip install poetry
          poetry install --no-root --only main
          poetry run python bin/website build

      - name: Build
        run: npx hugo --minify --logLevel info

      - name: Build search index
        run: |
          bundle exec bin/build_index.rb