name: ComfyUI Integration -- Validate backwards compatibility

on:
  pull_request:
    branches:
      - master
      - main
    paths:
      - "apps/ComfyUI-vLLM-Omni/**"

defaults:
  run:
    working-directory: apps/ComfyUI-vLLM-Omni

jobs:
  check-base-path:
    runs-on: ubuntu-latest
    outputs:
      exists: ${{ steps.check.outputs.exists }}
    defaults:
      run:
        working-directory: .
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.base.sha }}
          fetch-depth: 1
      - id: check
        run: |
          if [ -d "apps/ComfyUI-vLLM-Omni" ]; then
            echo "exists=true" >> "$GITHUB_OUTPUT"
          else
            echo "exists=false" >> "$GITHUB_OUTPUT"
          fi
  validate:
    needs: check-base-path
    if: needs.check-base-path.outputs.exists == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: comfy-org/node-diff@main