sync-trunk.yaml

# This workflow keeps `trunk` in sync with `main` when PR's are merged.
name: Sync trunk with main

on:
  push:
    branches:
      - main

permissions:
  contents: write

jobs:
  sync:
    name: Sync trunk with main
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Git user
        run: |
          git config user.name "GitHub Action"
          git config user.email "gh.action@example.com"

      - name: Rebase trunk on main
        run: |
          git checkout main
          git fetch origin
          git checkout trunk
          git pull
          git rebase origin/main
          git push --force-with-lease origin trunk