prepare-release.yml

name: create-release-candidate

on:
  workflow_dispatch:
    inputs:
      version_part:
        description: The part of the version to update (patch, minor or major)
        type: choice
        options:
        - patch
        - minor
        - major
        default: 'patch'
        required: true

jobs:
  prepare-release:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [3.11]
    env:
      PYTHON_PACKAGE: kedro_pandera
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
    - name: Validate inputs
      run: |
        echo "INPUT_VERSION_PART: ${{ github.event.inputs.version_part }}"
    - name: Bump the version number  # bump2version is a maintained fork of original bumpversion
      id: bump_version
      run: |
        pip install bump-my-version
        bump-my-version bump ${{ github.event.inputs.version_part }}
        echo "package_version=$(cat $PYTHON_PACKAGE/__init__.py | grep -Po  '\d+\.\d+\.\d+')" >> $GITHUB_OUTPUT
    - name: Update the CHANGELOG according to 'Keep a Changelog' guidelines
      uses: thomaseizinger/keep-a-changelog-new-release@v1
      with:
        version: ${{ steps.bump_version.outputs.package_version }}
    - name: Create a new release branch
      run: |
        git config user.name github-actions
        git config user.email github-actions@github.com
        git checkout -b release-${{ steps.bump_version.outputs.package_version }}
        git push -u origin release-${{ steps.bump_version.outputs.package_version }}
    - name: Commit the changes
      run: |
        git commit -am "Bump version and CHANGELOG for release ${{ steps.bump_version.outputs.package_version }}"
        git push
    - name: Open a PR to merge the release to main
      id: open_pr
      run: |
        gh pr create -B main -H release-${{ steps.bump_version.outputs.package_version }} --title "Release ${{ steps.bump_version.outputs.package_version }}" --body "Bump version and CHANGELOG for next release." --assignee "${{ github.repository_owner }}"
        echo "pull_request_number=$(gh pr list --base main --json number,createdAt --jq 'sort_by(.createdAt) | reverse | .[0].number')" >> $GITHUB_OUTPUT
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    - name: Change the commit message to add PR number
      run: |
        git commit -a --amend -m ":rocket: Bump version and CHANGELOG for release ${{ steps.bump_version.outputs.package_version }} (#${{ steps.open_pr.outputs.pull_request_number }})"
        git push -f