ci.yaml

name: ci

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  check-version:
    name: Ensure version has been bumped
    runs-on: ubuntu-22.04
    if: github.event_name == 'pull_request' # Only run on PRs

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

      - name: Install Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install toml package
        run: pip install toml

      - name: Check version
        run: |
          # Read current version from PR branch
          CURRENT_VERSION=$(python -c "import toml; print(toml.load('pyproject.toml')['project']['version'])")
          echo "Current version: $CURRENT_VERSION"

          # Checkout main branch to compare
          git fetch origin main
          git checkout origin/main

          # Read version from main branch
          MAIN_VERSION=$(python -c "import toml; print(toml.load('pyproject.toml')['project']['version'])")
          echo "Main version: $MAIN_VERSION"

          # Checkout back to PR branch
          git checkout -

          # Compare versions
          if [ "$CURRENT_VERSION" = "$MAIN_VERSION" ]; then
            echo "Error: Version has not been bumped from $MAIN_VERSION"
            exit 1
          fi

          # Check if new version already exists as a tag
          if git rev-parse "v$CURRENT_VERSION" >/dev/null 2>&1; then
            echo "Error: Version v$CURRENT_VERSION already exists as a tag"
            exit 1
          fi

          echo "Version v$CURRENT_VERSION is new and has been bumped from v$MAIN_VERSION"

  test:
    name: Run tests
    runs-on: ubuntu-22.04

    steps:
      - uses: actions/checkout@v4

      - name: install uv
        uses: astral-sh/setup-uv@v4
        with:
          enable-cache: true
          cache-dependency-glob: 'uv.lock'

      - name: set up python
        uses: actions/setup-python@v5
        with:
          python-version-file: 'pyproject.toml'

      - name: install pis
        run: uv sync --all-extras --dev

      - name: run tests
        run: uv run pytest

  lint:
    name: Check code style
    runs-on: ubuntu-22.04

    steps:
      - uses: actions/checkout@v4

      - name: install uv
        uses: astral-sh/setup-uv@v4
        with:
          enable-cache: true
          cache-dependency-glob: 'uv.lock'

      - name: set up python
        uses: actions/setup-python@v5
        with:
          python-version-file: 'pyproject.toml'

      - name: install pis
        run: uv sync --all-extras --dev

      - name: run ruff
        run: uv run ruff check --output-format=github .