sync-post-index.yml

name: Sync Blog Post Index

on:
  push:
    branches:
      - main
    paths:
      - apps/blog/posts/**/index.md
  workflow_dispatch:

permissions:
  contents: write

jobs:
  sync-index:
    name: Generate posts _index.json
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Generate posts index
        run: pnpm --filter blog run generate-index

      - name: Commit and push changes
        run: |
          if git diff --quiet -- apps/blog/posts/_index.json; then
            echo "No index changes detected."
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add apps/blog/posts/_index.json
          git commit -m "chore(blog): sync posts index"
          git push