release.yml

name: Publish Python distribution to PyPI

on:
  workflow_dispatch:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+*'

permissions: {}

jobs:
  build:
    name: Build distribution 📦
    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          submodules: true
          persist-credentials: false

      - name: Set up Python 3.12
        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
        id: setup-python
        with:
          python-version: 3.12

      - name: Setup poetry
        uses: abatilo/actions-poetry@0dd19c9498c3dc8728967849d0d2eae428a8a3d8 # v4
        with:
          poetry-version: '2.1.4'

      - name: Setup a local virtual environment
        env:
          PYTHON_PATH: ${{ steps.setup-python.outputs.python-path }}
        run: |
          poetry env use "$PYTHON_PATH"
          poetry run python --version
          poetry config virtualenvs.create true --local
          poetry config virtualenvs.in-project true --local

      - name: Install dependencies
        run: poetry install
      - name: Build a binary wheel and a source tarball
        run: poetry build
      - name: Store the distribution packages
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: python-package-distributions
          path: dist/

  publish-to-pypi:
    name: Publish Python distribution to PyPI
    if: startsWith(github.ref, 'refs/tags/v')  # only publish to PyPI on tag pushes
    needs:
      - build
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/p/vcdiff-decoder
    permissions:
      id-token: write  # IMPORTANT: mandatory for trusted publishing

    steps:
      - name: Download all the dists
        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
        with:
          name: python-package-distributions
          path: dist/

      - name: Extract tag
        id: tag
        run: |
          TAG=${GITHUB_REF#refs/tags/v}
          echo "tag=$TAG" >> $GITHUB_OUTPUT

      - name: Read VERSION_NAME from dist
        id: version
        run: |
          VERSION_NAME=$(basename dist/vcdiff_decoder-*.tar.gz | sed -E 's/^vcdiff_decoder-([^-]+)\.tar\.gz$/\1/')
          echo "version=$VERSION_NAME" >> $GITHUB_OUTPUT

      - name: Compare version with tag
        run: |
          if [ "$VERSION" != "$TAG" ]; then
            echo "VERSION ($VERSION) does not match tag ($TAG)."
            exit 1
          fi
        env:
          VERSION: ${{ steps.version.outputs.version }}
          TAG: ${{ steps.tag.outputs.tag }}
      - name: Publish distribution 📦 to PyPI
        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0

  publish-to-testpypi:
    name: Publish Python distribution to TestPyPI
    needs:
      - build
    runs-on: ubuntu-latest

    environment:
      name: testpypi
      url: https://test.pypi.org/p/vcdiff-decoder

    permissions:
      id-token: write  # IMPORTANT: mandatory for trusted publishing

    steps:
      - name: Download all the dists
        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
        with:
          name: python-package-distributions
          path: dist/
      - name: Publish distribution 📦 to TestPyPI
        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
        with:
          repository-url: https://test.pypi.org/legacy/