name: Sync from upstream

on:
  workflow_dispatch:
    inputs:
      tag:
        description: '要同步的 release tag（留空则同步到 upstream/main 的最新 tag）'
        required: false
        default: ''

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.SYNC_TOKEN }}

      - name: Sync main to release tag
        run: |
          git config user.name "gitea-actions"
          git config user.email "actions@gitea.local"
          git remote add upstream https://git.zhengchentao.win/mirror/ezbookkeeping.git
          git fetch upstream --tags

          if [ -n "${{ inputs.tag }}" ]; then
            TARGET="${{ inputs.tag }}"
          else
            TARGET=$(git tag -l --sort=-v:refname | head -n 1)
          fi

          echo "==> Syncing main to $TARGET"
          git rev-parse "$TARGET" || { echo "❌ Tag $TARGET not found"; exit 1; }

          git checkout -B main origin/main
          git reset --hard "$TARGET"
          git push origin main --force-with-lease
          git push origin --tags