name: Rat dev preview

on:
  push:
    branches: ['dev']

# One run per ref wins: a newer push to dev cancels the older queued or running one, so the run
# that builds rat-dev-dist is always the newest. Pull-request runs are other workflows and other
# groups; they never cancel it.
concurrency:
  group: rat-dev-preview
  cancel-in-progress: true

jobs:
  build:
    name: Build dev preview
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - name: Checkout repository
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      - name: Setup node
        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
        with:
          node-version-file: ".node-version"
          package-manager-cache: false
      - name: Install dependencies
        run: npm ci
      - name: Build app
        env:
          CINNY_BASE: /void/rat-dev/
          VITE_PREVIEW_DEMO: '1'
          NODE_OPTIONS: '--max_old_space_size=3072'
        run: npm run build
      - name: Set background scene tier and the pretend homeserver
        run: node scripts/preview-config.js low --demo
      - name: Add the demo pose art
        run: mkdir -p dist/public/poses && cp -r preview-demo/poses/. dist/public/poses/
      - name: Upload artifact
        # v3 protocol: the v4 client keeps only the origin of ACTIONS_RESULTS_URL, dropping this forge's /forge subpath
        # (nginx 404 page, runs 170-171), and upstream v4+ refuses non-GitHub servers outright (run 169).
        uses: forgejo/upload-artifact@v3
        with:
          name: rat-dev-dist
          path: dist
          retention-days: 3