branch-sync.yml

name: Branch Synchronization

on:
  push:
    branches: [ main ]
  workflow_dispatch:
    inputs:
      sync_direction:
        description: 'Sync direction'
        required: true
        default: 'main-to-remote'
        type: choice
        options:
          - main-to-remote
          - remote-to-main
          - bidirectional

jobs:
  sync-branches:
    name: Sync Branches
    runs-on: ubuntu-latest
    if: github.repository_owner == 'gensecaihq'

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0
        token: ${{ secrets.GITHUB_TOKEN }}

    - name: Set up Git
      run: |
        git config --global user.name 'GitHub Actions'
        git config --global user.email 'actions@github.com'

    - name: Fetch all branches
      run: |
        git fetch origin

    - name: Check branch existence
      id: branches
      run: |
        if git ls-remote --exit-code --heads origin mcp-remote >/dev/null 2>&1; then
          echo "mcp_remote_exists=true" >> $GITHUB_OUTPUT
          git checkout -b mcp-remote origin/mcp-remote
          git checkout main
        else
          echo "mcp_remote_exists=false" >> $GITHUB_OUTPUT
          echo "::notice::mcp-remote branch does not exist yet"
        fi

    - name: Check for version management tools
      run: |
        if [ -f tools/branch-sync.py ]; then
          echo "Version management tools found"
          python3 tools/branch-sync.py status
        else
          echo "Version management tools not found"
        fi

    - name: Create sync report
      run: |
        echo "# Branch Sync Report" >> $GITHUB_STEP_SUMMARY
        echo "## Current Status" >> $GITHUB_STEP_SUMMARY
        echo "- Main branch: $(git rev-parse --short HEAD)" >> $GITHUB_STEP_SUMMARY

        if [ "${{ steps.branches.outputs.mcp_remote_exists }}" == "true" ]; then
          echo "- MCP-Remote branch: $(git rev-parse --short origin/mcp-remote)" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          echo "## Differences" >> $GITHUB_STEP_SUMMARY
          echo "### Main → MCP-Remote" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          git log HEAD..origin/mcp-remote --oneline | head -10 >> $GITHUB_STEP_SUMMARY || echo "No differences" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY

          echo "### MCP-Remote → Main" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          git log origin/mcp-remote..HEAD --oneline | head -10 >> $GITHUB_STEP_SUMMARY || echo "No differences" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
        else
          echo "- MCP-Remote branch: **does not exist**" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "> **Note:** Create the mcp-remote branch when ready to support MCP remote transport mode." >> $GITHUB_STEP_SUMMARY
        fi

    - name: Sync based on input
      if: github.event_name == 'workflow_dispatch' && steps.branches.outputs.mcp_remote_exists == 'true'
      run: |
        case "${{ github.event.inputs.sync_direction }}" in
          main-to-remote)
            echo "Syncing main → mcp-remote (shared components only)"
            # Cherry-pick specific commits or merge shared components
            ;;
          remote-to-main)
            echo "Syncing mcp-remote → main (STDIO-compatible changes only)"
            # Cherry-pick STDIO-compatible changes
            ;;
          bidirectional)
            echo "Bidirectional sync (careful merge)"
            # Merge compatible changes both ways
            ;;
        esac

    - name: Version check
      run: |
        echo "## Version Information" >> $GITHUB_STEP_SUMMARY
        echo "### Main Branch" >> $GITHUB_STEP_SUMMARY
        if [ -f pyproject.toml ]; then
          echo "Version: $(grep '^version' pyproject.toml | cut -d'"' -f2)" >> $GITHUB_STEP_SUMMARY
        fi

        if [ "${{ steps.branches.outputs.mcp_remote_exists }}" == "true" ]; then
          echo "### MCP-Remote Branch" >> $GITHUB_STEP_SUMMARY
          git checkout mcp-remote
          if [ -f pyproject.toml ]; then
            echo "Version: $(grep '^version' pyproject.toml | cut -d'"' -f2)" >> $GITHUB_STEP_SUMMARY
          fi
        fi