release.yml

name: Auto-release on PR merge

on:
  pull_request_target:
    branches:
      # Create a release whenever a PR is merged into one of these branches:
      - master
    types:
      - closed

jobs:
  release:
    runs-on: ubuntu-latest
    # Only run for merged PRs with the "release" label:
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'release')
    steps:
      - name: Checkout source
        uses: actions/checkout@v4
        with:
          # Check out all history so that the previous release tag can be
          # found:
          fetch-depth: 0

      - name: Prepare release
        uses: datalad/release-action/release@master
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          pypi-token: ${{ secrets.PYPI_TOKEN }}
          pre-tag: |
            pip install setuptools  # needed for setup.py --version
            pkg="$(python setup.py --name)"
            printf '__version__ = "%s"\n' "$new_version" > "$pkg"/version.py
            git commit -m "Update __version__ to $new_version" "$pkg"/version.py

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