# 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@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
          token: ${{ steps.app-token.outputs.token }}

      - name: Sync master from public
        env:
          EVENT_NAME: ${{ github.event_name }}
          FORCE: ${{ inputs.force }}
        run: |
          git fetch https://github.com/n8n-io/n8n.git master:public-master

          # Check if private is ahead of public, ignore Bundle commits
          AHEAD_COUNT=$(git rev-list public-master..HEAD --pretty=oneline --grep="chore: Bundle" --invert-grep --count)

          if [ "$AHEAD_COUNT" -gt 0 ]; then
            if [ "$EVENT_NAME" = "schedule" ]; then
              echo "Private is $AHEAD_COUNT commit(s) ahead of public, skipping scheduled sync"
              exit 0
            elif [ "$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

      - name: Sync 1.x from public
        env:
          EVENT_NAME: ${{ github.event_name }}
          FORCE: ${{ inputs.force }}
        run: |
          git fetch https://github.com/n8n-io/n8n.git 1.x:public-1.x
          git checkout 1.x

          # Check if private is ahead of public, ignore Bundle commits
          AHEAD_COUNT=$(git rev-list public-1.x..HEAD --pretty=oneline --grep="chore: Bundle" --invert-grep --count)

          if [ "$AHEAD_COUNT" -gt 0 ]; then
            if [ "$EVENT_NAME" = "schedule" ]; then
              echo "Private 1.x is $AHEAD_COUNT commit(s) ahead of public, skipping scheduled sync"
              exit 0
            elif [ "$FORCE" != "true" ]; then
              echo "Private 1.x is $AHEAD_COUNT commit(s) ahead of public, skipping (force not enabled)"
              exit 0
            else
              echo "Private 1.x is $AHEAD_COUNT commit(s) ahead of public, force syncing anyway"
            fi
          fi

          git reset --hard public-1.x
          git push origin 1.x --force-with-lease

      - name: Ensure bundle/2.x exists
        run: |
          if git ls-remote --exit-code origin refs/heads/bundle/2.x; then
            echo "bundle/2.x already exists, skipping"
          else
            echo "bundle/2.x not found, creating from master"
            git checkout master
            git checkout -b bundle/2.x
            git push origin bundle/2.x
          fi

      - name: Ensure bundle/1.x exists
        run: |
          if git ls-remote --exit-code origin refs/heads/bundle/1.x; then
            echo "bundle/1.x already exists, skipping"
          else
            echo "bundle/1.x not found, creating from 1.x"
            git checkout 1.x
            git checkout -b bundle/1.x
            git push origin bundle/1.x
          fi
