name: Mirror to GitHub

on:
  push:

jobs:
  mirror:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Configure git
        run: |
          git config user.name "gitea-mirror"
          git config user.email "mirror@example.com"

      - name: Add GitHub remote
        env:
          MIRROR_REPO: ${{ vars.MIRROR_REPO }}
          MIRROR_TOKEN: ${{ secrets.MIRROR_TOKEN }}
        run: |
          if [ -z "$MIRROR_REPO" ] || [ -z "$MIRROR_TOKEN" ]; then
            echo "Missing required secrets: MIRROR_REPO and/or MIRROR_TOKEN"
            exit 1
          fi
          git remote add github "https://x-access-token:${MIRROR_TOKEN}@github.com/${MIRROR_REPO}.git" || \
            git remote set-url github "https://x-access-token:${MIRROR_TOKEN}@github.com/${MIRROR_REPO}.git"

      - name: Push branches
        run: |
          git for-each-ref --format='%(refname:short)' refs/heads | while read branch; do
            git push --force --prune github "refs/heads/$branch:refs/heads/$branch" || exit 1
          done

      - name: Push tags
        run: git push --tags github --force