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.`
            });