post-release.yml

name: post-release
on:
  push:
    tags:
    - "v*"
permissions:
  contents: read

jobs:
  create-release:
    permissions:
      contents: write  # for actions/create-release to create a release
    name: create-release
    runs-on: ubuntu-latest
    outputs:
      upload_url: ${{ steps.release.outputs.upload_url }}
      release_version: ${{ env.RELEASE_VERSION }}
    steps:
    - name: Get the release version from the tag
      shell: bash
      if: env.RELEASE_VERSION == ''
      run: |
        # See: https://github.community/t5/GitHub-Actions/How-to-get-just-the-tag-name/m-p/32167/highlight/true#M1027
        echo "RELEASE_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
        echo "version is: ${{ env.RELEASE_VERSION }}"
    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        fetch-depth: 1
    - name: Generate Release Notes
      run: |
        ./.github/workflows/release-notes.py --tag ${{ env.RELEASE_VERSION }} --output notes-${{ env.RELEASE_VERSION }}.md
        cat notes-${{ env.RELEASE_VERSION }}.md
    - name: Create GitHub release
      id: release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ env.RELEASE_VERSION }}
        release_name: ${{ env.RELEASE_VERSION }}
        body_path: notes-${{ env.RELEASE_VERSION }}.md