sync-docs.yml

name: Sync Next.js docs to Korean repo

on:
  schedule:
    - cron: '0 0 * * *'  # Runs at 00:00 UTC every day
  workflow_dispatch:  # Allows manual triggering

jobs:
  sync-docs:
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout Next.js
      uses: actions/checkout@v2
      with:
        repository: vercel/next.js
        ref: canary
        path: next-js
        sparse-checkout: |
          docs

    - name: Checkout Korean repo
      uses: actions/checkout@v2
      with:
        repository: luciancah/nextjs-ko
        token: ${{ secrets.ACTION_PAT }}
        path: nextjs-ko
        ref: main

    - name: Configure Git
      run: |
        git config --global user.name github-actions
        git config --global user.email github-actions@github.com

    - name: Sync and check differences
      id: sync
      run: |
        # Ensure target directory exists
        mkdir -p nextjs-ko/origin/canary/docs

        # Use rsync to sync files and track changes
        changes=$(rsync -avrc --delete --out-format="%n" next-js/docs/ nextjs-ko/origin/canary/docs/ | grep -v "/$" || true)

        # If there are changes, commit and push to docs-update branch
        if [ ! -z "$changes" ]; then
          cd nextjs-ko
          git checkout -B docs-update
          git add origin/canary/docs
          git commit -m "Sync docs from Next.js

        Changes:
        $changes"
          git push -f origin docs-update
          echo "has_changes=true" >> $GITHUB_OUTPUT
          echo 'changes<<EOF' >> $GITHUB_OUTPUT
          echo "$changes" >> $GITHUB_OUTPUT
          echo 'EOF' >> $GITHUB_OUTPUT
        else
          echo "No changes detected"
          echo "has_changes=false" >> $GITHUB_OUTPUT
        fi

    - name: Create issue for new changes
      if: steps.sync.outputs.has_changes == 'true'
      uses: actions/github-script@v6
      with:
        github-token: ${{secrets.ACTION_PAT}}
        script: |
          const changes = `${{ steps.sync.outputs.changes }}`.split('\n').filter(Boolean);
          await github.rest.issues.create({
            owner: 'luciancah',
            repo: 'nextjs-ko',
            title: 'vercel/next.js canary 문서에 업데이트 사항이 있습니다.',
            body: `The following files have been updated in the Next.js docs:

          ${changes.map(file => `- ${file}`).join('\n')}

          Please review these changes and update the Korean translation accordingly.
          The changes have been pushed to the \`docs-update\` branch.`
          });