chron.yml

name: "Refresh Submodules"
on:
  schedule:
  - cron: "0 8 * * 1"
  workflow_dispatch:

jobs:
  refresh-modules:
    name: Refresh Submodules
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@master
      with:
        persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
        fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
    - name: Create local changes
      run: |
        git submodule update --init --recursive
        git submodule update --recursive --remote
    - name: Commit files
      run: |
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        git commit -m "Update Submodules" -a
    - name: Push changes
      uses: ad-m/github-push-action@master
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        branch: ${{ github.ref }}