name: Validate backwards compatibility

on:
  pull_request:
    branches:
      - master
      - main
  workflow_dispatch:  # make manually launchable (on demand)

permissions:
  contents: read

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/setup-python@v5
        with:
          python-version: "3.10"
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install torch
      - uses: comfy-org/node-diff@main