update-submodules.yml

name: Update Submodules

on:
  schedule:
    # Run every night at 2 AM UTC
    - cron: '0 2 * * *'
  workflow_dispatch:  # Allow manual trigger

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

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: true
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Update submodules to latest
        id: update
        run: |
          # Update all submodules to their latest remote commits
          git submodule update --remote --init --recursive

          # Check if there are any changes
          if git diff --quiet; then
            echo "has_changes=false" >> $GITHUB_OUTPUT
            echo "No submodule updates found"
          else
            echo "has_changes=true" >> $GITHUB_OUTPUT
            echo "Submodule updates found:"
            git diff --submodule=short
          fi

      - name: Create Pull Request
        if: steps.update.outputs.has_changes == 'true'
        uses: peter-evans/create-pull-request@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "chore: update submodules"
          title: "chore: Update submodules"
          body: |
            This PR updates submodules to their latest commits.

            **Updated submodules:**
            ```
            ${{ steps.update.outputs.diff || 'See commit for details' }}
            ```

            ---
            *This PR was automatically created by the update-submodules workflow.*
          branch: automated/update-submodules
          delete-branch: true
          labels: |
            automated
            dependencies