sync-examples.yml

name: Sync Examples to SootUp-Examples

on:
  push:
    branches: [main, master]
    paths: ['sootup.examples/**']

jobs:
  detect-changes:
    runs-on: ubuntu-latest
    outputs:
      has_new: ${{ steps.detect.outputs.has_new }}
      examples_list: ${{ steps.detect.outputs.examples_list }}
    steps:
      - name: Checkout SootUp
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Detect new example folders
        id: detect
        run: |
          echo "=== Detecting new example folders ==="
          
          # Get current example folders
          if [ -d "sootup.examples" ]; then
            find sootup.examples -mindepth 1 -maxdepth 1 -type d -exec basename {} \; | sort > current_examples.txt
            echo "Current examples:"
            cat current_examples.txt
          else
            echo "No sootup.examples directory found"
            touch current_examples.txt
          fi
          
          # Get previous example folders (from previous commit)
          git show HEAD~1:sootup.examples --name-only 2>/dev/null | grep "/" | cut -d'/' -f1 | sort -u > previous_examples.txt || touch previous_examples.txt
          echo "Previous examples:"
          cat previous_examples.txt || echo "No previous examples found"
          
          # Find new folders
          comm -23 current_examples.txt previous_examples.txt > new_examples.txt
          
          if [ -s new_examples.txt ]; then
            echo "has_new=true" >> $GITHUB_OUTPUT
            examples_json=$(cat new_examples.txt | jq -R -s -c 'split("\n")[:-1]')
            echo "examples_list=$examples_json" >> $GITHUB_OUTPUT
            echo "New examples found:"
            cat new_examples.txt
          else
            echo "has_new=false" >> $GITHUB_OUTPUT
            echo "No new examples found"
          fi

  sync-examples:
    needs: detect-changes
    if: needs.detect-changes.outputs.has_new == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout SootUp
        uses: actions/checkout@v4

      - name: Check if target repository exists
        id: check-repo
        run: |
          if curl -s -f -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
             "https://api.github.com/repos/${{ github.repository_owner }}/SootUp-Examples" > /dev/null; then
            echo "repo_exists=true" >> $GITHUB_OUTPUT
            echo "Target repository exists"
          else
            echo "repo_exists=false" >> $GITHUB_OUTPUT
            echo "Target repository does not exist or is not accessible"
          fi

      - name: Checkout SootUp-Examples Repository
        uses: actions/checkout@v4
        with:
          repository: ${{ github.repository_owner }}/SootUp-Examples
          token: ${{ secrets.GITHUB_TOKEN }}
          path: examples-repo
          ref: main

      - name: Sync new examples
        run: |
          echo "=== Syncing new examples ==="
          examples='${{ needs.detect-changes.outputs.examples_list }}'
          echo "Examples to sync: $examples"
          
          # Parse JSON array and sync each example
          echo "$examples" | jq -r '.[]' | while read example; do
            if [ -d "sootup.examples/$example" ]; then
              echo "Copying example: $example"
              cp -r "sootup.examples/$example" "examples-repo/$example"
              echo "Successfully copied $example"
            else
              echo "Warning: Example folder $example not found"
            fi
          done

      - name: Commit and push changes
        run: |
          cd examples-repo
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          
          # Check if there are changes to commit
          if [ -n "$(git status --porcelain)" ]; then
            git add .
          
            # Create commit message
            echo "Auto-sync new examples from SootUp" > commit_msg.txt
            echo "" >> commit_msg.txt
            echo "New examples added:" >> commit_msg.txt
            echo '${{ needs.detect-changes.outputs.examples_list }}' | jq -r '.[]' | sed 's/^/- /' >> commit_msg.txt
            echo "" >> commit_msg.txt
            echo "Synced on: $(date)" >> commit_msg.txt
          
            git commit -F commit_msg.txt
            git push origin main
            echo "Changes committed and pushed successfully"
          else
            echo "No changes to commit"
          fi