name: Sync README to GitHub

on:
  push:
    branches: [main]
    paths:
      - 'README.md'
      - '.gitea/workflows/sync-readme.yml'
      - '.gitea/notice.md'

jobs:
  sync:
    runs-on: github-readme-sync
    steps:
      - uses: actions/checkout@v4

      - name: Build the combined README
        run: |
          cat README.md > combined.md
          printf '\n\n' >> combined.md
          cat .gitea/notice.md >> combined.md

      - name: Push to the GitHub mirror
        env:
          GH_TOKEN: ${{ secrets.GH_MIRROR_TOKEN }}
        run: |
          git clone --depth 1 \
            "https://x-access-token:${GH_TOKEN}@github.com/scienting/coursebank.git" ghmirror
          cp combined.md ghmirror/README.md
          cd ghmirror
          git config user.name "Alex Maldonado"
          git config user.email "alexm@scient.ing"
          git add README.md
          git diff --cached --quiet || git commit -m "Sync README from Gitea"
          git push