name: Sync Ceres Solver from Gerrit

on:
  schedule:
    - cron: '*/5 * * * *'
  workflow_dispatch:

jobs:
  sync:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout GitHub Mirror
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ssh-key: ${{ secrets.DEPLOY_KEY }}

      - name: Pull from Gerrit and Push to GitHub
        env:
          GERRIT_URL: https://ceres-solver.googlesource.com/ceres-solver
        run: |
          git fetch "$GERRIT_URL" "+refs/heads/*:refs/gerrit/heads/*" --prune --tags

          git push origin "+refs/gerrit/heads/*:refs/heads/*" :refs/heads/HEAD
          git push origin --tags --force