update-submodules.yml

name: Update Submodules

on:
  schedule:
    - cron: '0 0 * * 0' # Weekly schedule at midnight UTC
  workflow_dispatch:

jobs:
  update_submodules:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: true

      - name: Set up Git
        run: |
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'

      - name: Fetch all branches
        run: git fetch --all

      - name: Checkout or create update branch
        run: |
          git checkout -B update-submodules-branch origin/update-submodules-branch || git checkout -b update-submodules-branch

      - name: Update submodules to latest commits
        run: |
          git submodule update --remote --merge
          git status

      - name: Check for submodule changes
        id: check_submodule_update
        run: |
          git diff --quiet || echo "Submodule changes detected" && echo "::set-output name=needs_update::true"

      - name: Commit submodule changes
        if: steps.check_submodule_update.outputs.needs_update == 'true'
        run: |
          git submodule foreach 'git add .'
          git add .
          git status
          git commit -m "Update submodules to latest commits" || echo "No changes to commit"
          git push origin update-submodules-branch --force || true

      - name: Create or update Pull Request
        if: steps.check_submodule_update.outputs.needs_update == 'true'
        uses: peter-evans/create-pull-request@v5
        with:
          commit-message: Update submodules
          committer: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
          author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
          branch: update-submodules-branch
          base: main
          title: Update Submodules
          body: This pull request updates submodules to their latest commits.