release.yml

name: FloPy release
on:
  push:
    branches:
      - master
      - v[0-9]+.[0-9]+.[0-9]+*
  release:
    types:
      - published
jobs:
  prep:
    name: Prepare release
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'push' && github.ref_name != 'master' }}
    permissions:
      contents: write
    defaults:
      run:
        shell: bash
    steps:

      - name: Checkout release branch
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.8
          cache: 'pip'
          cache-dependency-path: pyproject.toml

      - name: Install Python dependencies
        run: |
          pip install --upgrade pip
          pip install build twine
          pip install .
          pip install ".[lint, test, optional]"

      - name: Install MODFLOW
        run: |
          mkdir -p ~/.local/bin
          get-modflow ~/.local/bin
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Update FloPy version
        id: version
        run: |
          # extract version from branch name
          ref="${{ github.ref_name }}"
          ver="${ref#"v"}"
          
          # update version files
          if [[ "$ver" == *"rc"* ]]; then
            python scripts/update_version.py -v "${ver%"rc"}"
          else
            python scripts/update_version.py -v "$ver" --approve
          fi
          
          # show version and set output
          python -c "import flopy; print(f'FloPy version: {flopy.__version__}')"
          echo "version=${ver#"v"}" >> $GITHUB_OUTPUT

      - name: Lint and format Python files
        run: |
          ruff check . --fix
          ruff format .

      - name: Run tests
        working-directory: autotest
        run: pytest -v -m="not example and not regression" -n=auto --durations=0 --keep-failed=.failed --dist loadfile
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload failed test outputs
        uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: failed-${{ matrix.os }}-${{ matrix.python-version }}
          path: |
            ./autotest/.failed/**

      - name: Generate changelog
        id: cliff
        uses: orhun/git-cliff-action@v3
        with:
          config: cliff.toml
          args: --verbose --unreleased --tag ${{ steps.version.outputs.version }}
        env:
          OUTPUT: CHANGELOG.md

      - name: Update changelog
        run: |
          # substitute full group names
          sed -i 's/#### Ci/#### Continuous integration/' CHANGELOG.md
          sed -i 's/#### Feat/#### New features/' CHANGELOG.md
          sed -i 's/#### Fix/#### Bug fixes/' CHANGELOG.md
          sed -i 's/#### Refactor/#### Refactoring/' CHANGELOG.md
          sed -i 's/#### Test/#### Testing/' CHANGELOG.md
          
          # prepend release changelog to cumulative changelog
          clog=".docs/md/version_changes.md"
          temp="version_changes.md"
          echo "$(tail -n +2 $clog)" > $clog
          cat CHANGELOG.md $clog > $temp
          sudo mv $temp $clog
          sed -i '1i # Changelog' $clog

      - name: Upload changelog
        uses: actions/upload-artifact@v4
        with:
          name: changelog
          path: CHANGELOG.md

      - name: Push release branch
        run: |
          rm CHANGELOG.md
          git config core.sharedRepository true
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add -A
          git commit -m "ci(release): set version to ${{ steps.version.outputs.version }}, update plugins from DFN files, update changelog"
          git push origin "${{ github.ref_name }}"

  pr:
    name: Draft release PR
    needs: prep
    if: ${{ github.event_name == 'push' && !(contains(github.ref_name, 'rc')) }}
    runs-on: ubuntu-22.04
    permissions:
      contents: write
      pull-requests: write
    defaults:
      run:
        shell: bash -l {0}
    steps:

      - name: Checkout release branch
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref_name }}

      - name: Draft pull request
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          ref="${{ github.ref_name }}"
          ver="${ref#"v"}"
          title="Release $ver"
          body='
          # FloPy '$ver'
          
          The release can be approved by merging this pull request into `master`. This will trigger a final job to publish the release to PyPI.
          '
          gh pr create -B "master" -H "$ref" --title "$title" --draft --body "$body"

  release:
    name: Draft release
    # runs only when changes are merged to master
    if: ${{ github.event_name == 'push' && github.ref_name == 'master' }}
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:

      - name: Checkout master branch
        uses: actions/checkout@v4
        with:
          ref: master

      # actions/download-artifact won't look at previous workflow runs but we need to in order to get changelog
      - name: Download artifacts
        uses: dawidd6/action-download-artifact@v3

      - name: Draft release
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          version=$(cat version.txt)
          title="FloPy $version"
          notes=$(cat changelog/CHANGELOG.md)
          gh release create "$version" \
            --target master \
            --title "$title" \
            --notes "$notes" \
            --draft \
            --latest

  publish:
    name: Publish package
    # runs only after release is published (manually promoted from draft)
    if: ${{ github.event_name == 'release' }}
    runs-on: ubuntu-22.04
    permissions:
      contents: write
      pull-requests: write
      id-token: write  # mandatory for trusted publishing
    environment:  # requires a 'release' environment in repo settings
      name: release
      url: https://pypi.org/p/flopy
    steps:

      - name: Checkout master branch
        uses: actions/checkout@v4
        with:
          ref: master

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.8
          cache: 'pip'
          cache-dependency-path: pyproject.toml

      - name: Install Python dependencies
        run: |
          pip install --upgrade pip
          pip install build twine
          pip install .
          pip install ".[lint, test, optional]"     

      - name: Build package
        run: python -m build

      - name: Check package
        run: twine check --strict dist/*

      - name: Upload package
        uses: actions/upload-artifact@v4
        with:
          name: dist
          path: dist

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