publish.yml

name: Publish on PR merge

on:
  pull_request:
    types: [opened, synchronize, reopened, labeled, closed]
    branches:
      - master

permissions:
  contents: write
  id-token: write
  pull-requests: write

jobs:
  update-version-and-changelog:
    # Run only when a release label is added (not on every push)
    if: |
      github.event.action == 'labeled' &&
      github.event.pull_request.merged == false && (
        contains(github.event.pull_request.labels.*.name, 'release:major') ||
        contains(github.event.pull_request.labels.*.name, 'release:minor') ||
        contains(github.event.pull_request.labels.*.name, 'release:patch')
      )
    runs-on: ubuntu-latest

    steps:
      - name: Check out PR branch
        uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref }}
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Install tools
        run: |
          pip install bump-my-version build pandoc
          sudo apt-get update
          sudo apt-get install -y pandoc
          cargo install git-cliff

      - name: Set up Git user
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"

      - name: Determine version bump type
        id: bump
        run: |
          if [[ "${{ contains(github.event.pull_request.labels.*.name, 'release:major') }}" == "true" ]]; then
            echo "type=major" >> $GITHUB_OUTPUT
          elif [[ "${{ contains(github.event.pull_request.labels.*.name, 'release:minor') }}" == "true" ]]; then
            echo "type=minor" >> $GITHUB_OUTPUT
          else
            echo "type=patch" >> $GITHUB_OUTPUT
          fi

      - name: Bump version
        run: bump-my-version bump ${{ steps.bump.outputs.type }}
        env:
          BMV_ALLOW_DIRTY: "true"

      - name: Extract version
        id: version
        run: |
          VERSION=$(bump-my-version show current)
          echo "Extracted version: $VERSION"
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Generate changelog
        run: |
          git cliff -o CHANGELOG.md
          echo "Generated changelog for version ${{ steps.version.outputs.version }}"

      - name: Update HISTORY.rst
        run: |
          # Convert CHANGELOG.md to rst and prepend to HISTORY.rst
          if [ -f CHANGELOG.md ]; then
            pandoc CHANGELOG.md -f markdown -t rst -o CHANGELOG.rst
            # Prepend new changelog to HISTORY.rst
            if [ -f HISTORY.rst ]; then
              cat HISTORY.rst CHANGELOG.rst > HISTORY_temp.rst
              mv HISTORY_temp.rst HISTORY.rst
              echo "Updated HISTORY.rst with version ${{ steps.version.outputs.version }}"
            else
              mv CHANGELOG.rst HISTORY.rst
              echo "Created HISTORY.rst"
            fi
          fi

      - name: Commit and push changes to PR branch
        run: |
          git add .
          git commit -m "chore: bump version to ${{ steps.version.outputs.version }} and update changelog [skip ci]" || echo "No changes to commit"
          git push origin HEAD:${{ github.head_ref }}

  publish-after-merge:
    # Run only after PR is merged with release labels
    if: |
      github.event.pull_request.merged == true && (
        contains(github.event.pull_request.labels.*.name, 'release:major') ||
        contains(github.event.pull_request.labels.*.name, 'release:minor') ||
        contains(github.event.pull_request.labels.*.name, 'release:patch')
      )
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Install tools
        run: pip install bump-my-version build

      - name: Extract version
        id: version
        run: |
          VERSION=$(bump-my-version show current)
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ steps.version.outputs.version }}
          name: v${{ steps.version.outputs.version }}
          body_path: CHANGELOG.md
          generate_release_notes: false

      - name: Build package
        run: python -m build

      - name: Publish to TestPyPI
        id: test-pypi
        uses: pypa/gh-action-pypi-publish@v1.13.0
        with:
          repository-url: https://test.pypi.org/legacy/
          skip-existing: true
          attestations: false

      - name: Publish to PyPI
        if: steps.test-pypi.outcome == 'success'
        uses: pypa/gh-action-pypi-publish@v1.13.0
        with:
          skip-existing: true