name: Merge Release to Master

on:
  push:
    branches:
      - release

jobs:
  merge-branch:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Release Branch
        uses: actions/checkout@v2
        with:
          ref: release
          fetch-depth: 0  # fetch full history for all tags and branches

      - name: Merge Release into Master
        run: |
          git config user.email gitea-actions
          git config user.name noreply+github-actions@springer-dl.de
          git merge origin/master -m "automated merge" \
            --no-ff
          git push origin release:master