name: Mirror to GitLab

on:
  push:
  delete:
  workflow_dispatch:  # This enables manual triggering

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      - name: Wait for other instances of this workflow to conclude
        uses: softprops/turnstyle@8db075d65b19bf94e6e8687b504db69938dc3c65
        with:
          same-branch-only: 'true'
          abort-after-seconds: 300
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          ref: ${{ github.ref }}
          fetch-depth: 0  # Fetch full history

      - name: Set up Git
        run: |
          git config --global user.name 'GitHub Action'
          git config --global user.email 'action@github.com'

      - name: Set up SSH
        uses: webfactory/ssh-agent@v0.5.3
        with:
          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - name: Add GitLab public keys
        run: |
          ssh-keyscan -H gitlab.com >> ~/.ssh/known_hosts

      - name: Sync and commit changes
        id: sync-and-commit
        run: |
          git lfs pull

          # Add GitLab remote
          git remote add gitlab git@gitlab.com:sunnypilot/sunnyhaibin/sunnypilot-github-mirror.git

          # Fetch from GitLab and check if the branch exists
          if git fetch gitlab ${{ github.ref }}; then
              # Merge changes from GitLab if the branch exists
              git merge gitlab/${{ github.ref_name }} --allow-unrelated-histories --strategy-option=theirs
          else
              echo "Branch does not exist on GitLab, skipping merge."
          fi
          git push -u gitlab ${{ github.ref }} # If you have issues with "push rejected missing LFS" or something. Make sure you disabled LFS on the GITLAB repo if you intend to use a different LFS repo other than the target repo