update_submodule.yml

name: Update Submodule

on:
  push:
    branches:
      - main

jobs:
  update-submodule:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Copy specific folder to submodule branch
        run: |
          git checkout submodule
          git rm -r --cached .
          git checkout main -- addons/behaviour_toolkit
          mv addons/behaviour_toolkit* .
          git add .
          git commit -m "Update submodule with changes from main"
          git push origin submodule