merge-main-to-branches.yml

# This workflow automatically merges the 'main' branch into 'dev' and 'release' branches
# whenever changes are pushed to 'main', without requiring manual confirmation.

name: Merge Main to branches

on:
  push:
    branches:
      - main

jobs:
  merge-to-branch:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        branch: [ 'dev', 'release' ]
    name: main -> ${{ matrix.branch }}
    permissions:
      contents: write
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Merge main into ${{ matrix.branch }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          if ! git checkout ${{ matrix.branch }}; then
            echo "[INFO] Branch '${{ matrix.branch }}' does not exist. Skipping merge."
            exit 0
          fi
          if ! git merge --no-ff origin/main -m "chore: merge main into ${{ matrix.branch }} [skip ci]"; then
            echo "[ERROR] Merge conflict detected when merging main into ${{ matrix.branch }}. Manual intervention required."
            exit 1
          fi
          git push origin ${{ matrix.branch }}