getindata/dbt-airflow-factory

name: Prepare release

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

jobs:
  prepare-release:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.8"]
    env:
      PYTHON_PACKAGE: dbt_airflow_factory
    steps:
      - uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v1
        with:
          python-version: ${{ matrix.python-version }}
      - name: Validate inputs
        run: |
          echo "INPUT_VERSION_PART: ${{ github.event.inputs.version_part }}"
          python -c "if '${{ github.event.inputs.version_part }}' not in ['patch', 'minor', 'major']:   raise ValueError(\"'${{ github.event.inputs.version_part }}' must be one of ['patch', 'minor', 'major'])\")"
      - name: Bump the version number  # bump2version is a maintained fork of original bumpversion
        id: bump_version
        run: |
          pip install bump2version
          bump2version ${{ github.event.inputs.version_part }}
          echo "::set-output name=package_version::$(cat $PYTHON_PACKAGE/__init__.py | grep -Po  '\d+\.\d+\.\d+')"
      - 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: Open a PR to merge the release to main
        id: open_pr
        uses: vsoch/pull-request-action@1.0.12
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PULL_REQUEST_BRANCH: main
          PULL_REQUEST_FROM_BRANCH: release-${{ steps.bump_version.outputs.package_version }}
          PULL_REQUEST_TITLE: "Release ${{ steps.bump_version.outputs.package_version }}"
          PULL_REQUEST_BODY: "Bump version and CHANGELOG for next release."
          PULL_REQUEST_ASSIGNEES: " p-pekala"
      - name: Commit the changes
        run: |
          git commit -am "FIX #${{ steps.open_pr.outputs.pull_request_number }}  - Bump version and CHANGELOG for release ${{ steps.bump_version.outputs.package_version }}"
          git push