# Sync n8n-io/n8n to n8n-io/n8n-private
#
# Runs hourly to keep private in sync with public.
# Can also be triggered manually for conflict recovery.
#
# Scheduled runs only sync if private is not ahead of public.
# Manual runs always sync (for conflict recovery after failed cherry-pick).

name: 'Security: Sync from Public'

on:
  schedule:
    - cron: '0 * * * *'
  workflow_dispatch:
    inputs:
      force:
        description: Sync even if private is ahead (for conflict recovery)
        type: boolean
        default: true

jobs:
  sync-from-public:
    if: github.repository == 'n8n-io/n8n-private'
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Generate App Token
        id: app-token
        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
        with:
          app-id: ${{ secrets.N8N_ASSISTANT_APP_ID }}
          private-key: ${{ secrets.N8N_ASSISTANT_PRIVATE_KEY }}

      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          token: ${{ steps.app-token.outputs.token }}

      - name: Sync from public
        run: |
          git fetch https://github.com/n8n-io/n8n.git master:public-master

          # Check if private is ahead of public
          AHEAD_COUNT=$(git rev-list public-master..HEAD --count)

          if [ "$AHEAD_COUNT" -gt 0 ]; then
            if [ "${{ github.event_name }}" = "schedule" ]; then
              echo "Private is $AHEAD_COUNT commit(s) ahead of public, skipping scheduled sync"
              exit 0
            elif [ "${{ inputs.force }}" != "true" ]; then
              echo "Private is $AHEAD_COUNT commit(s) ahead of public, skipping (force not enabled)"
              exit 0
            else
              echo "Private is $AHEAD_COUNT commit(s) ahead of public, force syncing anyway"
            fi
          fi

          git reset --hard public-master
          git push origin master --force-with-lease