name: Update release notes manifest

on:
  push:
    paths:
      - 'cinny/public/update/*.md'
      - 'scripts/generate-update-manifest.mjs'

permissions:
  contents: write

jobs:
  manifest:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Generate manifest.json
        run: node scripts/generate-update-manifest.mjs

      - name: Commit manifest if changed
        run: |
          if git diff --quiet -- cinny/public/update/manifest.json; then
            echo "manifest.json unchanged"
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add cinny/public/update/manifest.json
          git commit -m "chore: regenerate update manifest.json"
          git push