sync_submission.yml

name: Sync Submission on Merge

on:
  pull_request_target:
    types: [closed]

jobs:
  sync_on_merge:
    # 1. Only run if merged AND title contains [submission]
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.title, '[submission]')
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: read
    
    steps:
      - name: Checkout Base Branch
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.base.ref }}
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '16'

      - name: Install dependencies
        run: npm install js-yaml

      - name: Extract and Generate File
        id: generator
        uses: actions/github-script@v6
        with:
          script: |
            const fs = require('fs').promises;
            const yaml = require('js-yaml');
            const prBody = context.payload.pull_request.body || '';
            
            // Extraction Logic
            const normalizedBody = prBody.replace(/\r\n/g, '\n');
            const startMarker = '```yaml\n';
            const endMarker = '\n```';
            
            const startIndex = normalizedBody.indexOf(startMarker);
            const contentStart = startIndex + startMarker.length;
            const endIndex = normalizedBody.indexOf(endMarker, contentStart);
            
            if (startIndex === -1 || endIndex === -1) {
              console.log('No YAML block found. Skipping.');
              return;
            }
            
            const yamlContent = normalizedBody.slice(contentStart, endIndex);
            let data;
            
            try {
              const cleanYaml = yamlContent.split('\n').map(l => l.split('#')[0].trim()).join('\n');
              data = yaml.load(cleanYaml);
            } catch (error) {
              core.setFailed(`YAML parse error: ${error.message}`);
              return;
            }

            // Path Logic for submissions_algorithms
            const cleanFolder = data.submission_folder.replace(/^\/+|\/+$/g, '').replace(/^(external_tuning|self_tuning)\//, '');
            const subDir = data.ruleset === 'external' ? 'external_tuning' : 'self_tuning';
            const finalPath = `submissions/${subDir}/${cleanFolder}`;
            
            core.setOutput('path', finalPath);
            core.setOutput('yaml_string', yaml.dump(data));
            core.setOutput('should_commit', 'true');

      - name: Commit and Push
        if: steps.generator.outputs.should_commit == 'true'
        run: |
          mkdir -p "${{ steps.generator.outputs.path }}"
          
          # Write the validated YAML to the repository
          cat <<EOF > "${{ steps.generator.outputs.path }}/submission_info.yml"
          ${{ steps.generator.outputs.yaml_string }}
          EOF
          
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add submissions/
          
          if ! git diff --staged --quiet; then
            git commit -m "Final submission sync for PR #${{ github.event.pull_request.number }}"
            # Pushes directly to your main/base branch
            git push origin HEAD:${{ github.event.pull_request.base.ref }}
          else
            echo "No changes detected."
          fi