publish.yml

name: Publish to PyPI

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write
  id-token: write  # Required for trusted publishing

jobs:
  build-and-publish:
    name: Build and publish to PyPI
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/p/arraybridge

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

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

      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -e ".[dev]"

      - name: Validate source and tests
        run: |
          ruff check src/ scripts/
          black --check src/ scripts/
          mypy src/
          pytest -q --no-cov

      - name: Verify release tag and main ancestry
        run: |
          declared_version=$(python -c 'import tomllib; print(tomllib.load(open("pyproject.toml", "rb"))["project"]["version"])')
          test "$GITHUB_REF_NAME" = "v$declared_version"
          git fetch origin main
          git merge-base --is-ancestor "$GITHUB_SHA" origin/main

      - name: Build package
        run: python -m build

      - name: Check distribution
        run: |
          pip install twine
          twine check dist/*

      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          files: dist/*
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}