name: github pages

on:
  push:
    tags:
      - latest

jobs:
  deploy:
    runs-on: ubuntu-18.04
    steps:
      - uses: actions/checkout@v2

      - name: Setup Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.8'

      - name: Upgrade pip
        run: |
          # install pip=>20.1 to use "pip cache dir"
          python3 -m pip install --upgrade pip

      - name: Install dependencies
        run: python3 -m pip install -r ./requirements.txt

      - name: Build docs
        run: (cd doc_src && make html)

      - name: Deploy
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./doc_src/_build/html