name: Update update.mb on Release

on:
  release:
    types: [published]

jobs:
  update-file:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout Repository
      uses: actions/checkout@v2

    - name: Extract numeric version and update update.mb file
      run: |
        version="${{ github.event.release.tag_name }}"
        version_numeric=$(echo $version | grep -o -E '[0-9.]+')
        {
          echo "## $version_numeric"
          echo "Release name: ${{ github.event.release.name }}"
          echo "Release body: ${{ github.event.release.body }}"
          echo ""
          cat docs/update.mb
        } > temp_update.mb
        mv temp_update.mb docs/update.mb

    - name: Commit and Push Changes
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
        git add docs/update.mb
        git commit -m "Update update.mb for release ${{ github.event.release.tag_name }}"
        git push