name: PyPI Publish

on: push

jobs:
  build-n-publish:
    runs-on: ubuntu-latest
    if: startsWith(github.event.ref, 'refs/tags')

    steps:
      - uses: actions/checkout@v2
      - name: Set up Python 3.8
        uses: actions/setup-python@v1
        with:
          python-version: 3.8
      - name: Upgrade pip
        run: pip install pip --upgrade
      - name: Install PyTorch (cpu)
        run: pip install torch==1.7.0+cpu torchvision==0.8.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
      - name: Install dependencies
        run: pip install -r requirements.txt
      - name: Build and install
        run: rm -rf .eggs && pip install -e .
      - name: Build for distribution
        # remove bdist_wheel for pip installation with compiling cuda extensions
        run: python setup.py sdist
      - name: Publish distribution to PyPI
        uses: pypa/gh-action-pypi-publish@master
        with:
          password: ${{ secrets.PYPI_API_TOKEN }}
