name: Docs
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

permissions:
    contents: write
jobs:
  docs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: 'recursive'
      - uses: actions/setup-python@v3
        with:
          python-version: '3.9'
      - name: Install dependencies
        run: |
          pip install -r docs/requirements.txt
          pip install torch --index-url https://download.pytorch.org/whl/cpu
          BUILD_NO_CUDA=1 pip install .
      - name: Sphinx build
        run: |
          sphinx-build docs/source _build
      - name: Deploy
        uses: peaceiris/actions-gh-pages@v3
        with:
          publish_branch: gh-pages
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: _build/
          force_orphan: true
          cname: www.nerfacc.com
        if: github.event_name != 'pull_request'