backmerge.yaml

# Backmerge releases from main to next
#
# This workflow ensures that any commits on `main` (releases, version bumps)
# are automatically merged back into `next` to keep branches in sync.
#
# This prevents divergence where main has commits that next doesn't have.

name: Backmerge to next

on:
  push:
    branches: [main]

permissions:
  contents: write

jobs:
  backmerge:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          ref: next
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Merge main into next
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          git fetch origin main

          if git merge-base --is-ancestor origin/main HEAD; then
            echo "next already contains all commits from main. Nothing to merge."
            exit 0
          fi

          git merge origin/main -m "chore: backmerge from main"
          git push origin next