submodule-update.yml

## --------------- Workflow to check updates of tdlib/telegram-bot-api submodule --------------- ##
name: Update submodule
run-name: Update "telegram-bot-api" submodule

on:
  workflow_dispatch:
  schedule:
    - cron: "30 6 * * *"       # Runs at 6:30 AM UTC (12:00 PM IST) Everyday

env:
  GITHUB_TOKEN: ${{ secrets.WORKFLOW_PAT }}

jobs:

  update_checks:
    name: Check Updates
    runs-on: ubuntu-latest
    steps:
      
      - name: Checkout current repository
        uses: actions/checkout@main
        with:
          token: ${{ secrets.WORKFLOW_PAT }}
          submodules: recursive
          fetch-depth: 0

      - name: Checkout submodule updates
        id: update_status
        run: |
          # Get current version 
          current_version=$(cat telegram-bot-api/CMakeLists.txt | grep TelegramBotApi | cut -d " " -f3)

          # Checkout updates
          returnedValue=$(git submodule update --remote)

          # Get new version
          updated_version=$(cat telegram-bot-api/CMakeLists.txt | grep TelegramBotApi | cut -d " " -f3)

          # Checks if submodule was updated
          updated=$([ -n "$returnedValue" ] && echo "true" || echo "false")

          # Set outputs & summary
          echo "current_version=$current_version" >> $GITHUB_OUTPUT
          echo "updated_version=$updated_version" >> $GITHUB_OUTPUT
          echo "updated=$updated" >> $GITHUB_OUTPUT
          echo "#### 👉 Submodule Update found:   $updated" >> $GITHUB_STEP_SUMMARY

      - name: Commit submodule updates to main-branch (if updated)
        if: steps.update_status.outputs.updated == 'true'
        run: |
          # Versions
          current_version=${{ steps.update_status.outputs.current_version }}
          updated_version=${{ steps.update_status.outputs.updated_version }}

          # Commit changes
          git config --global user.name "${GITHUB_ACTOR}"
          git config --global user.email "${GITHUB_ACTOR}@users.noreply.github.com"
          git add .
          git commit -am "_deploy_: Updated telegram-bot-api submodule from v${current_version} to v${updated_version}"
          git push origin main
          echo "#### ✔️ Submodule Updates commited from v${current_version} to v${updated_version} to main branch" >> $GITHUB_STEP_SUMMARY