update_submodule_to_latest_commit.yml

name: Update Submodule to Latest Commit

on:
  schedule:
    - cron: '0 5 * * *'
  workflow_dispatch:
    inputs:
      tagAsLatest:
          description: 'Tag as latest ?'
          required: true
          default: 'true'
          type: choice
          options:
            - 'true'
            - 'false'

jobs:
  update_latest_submodule:
    runs-on: ubuntu-latest

    steps:
      - name: Check out the repository
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Get submodule path from .gitmodules
        id: get_submodule_path
        run: |
          SUBMODULE_PATH=$(grep -oP '(?<=path = ).*' .gitmodules | head -n 1)
          echo "submodule_path=$SUBMODULE_PATH" >> $GITHUB_ENV

      - name: Update submodule to latest commit
        id: update_submodule
        run: |
          cd ${{ env.submodule_path }}
          DEFAULT_BRANCH=$(git symbolic-ref refs/remotes/origin/HEAD | sed 's|^refs/remotes/origin/||')
          git checkout "$DEFAULT_BRANCH"
          git pull --rebase origin "$DEFAULT_BRANCH"
          SHORT_COMMIT=$(git rev-parse --short HEAD)
          echo "latest_tag=$SHORT_COMMIT" >> $GITHUB_ENV
          git submodule update --remote --merge
          cd ..
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add ${{ env.submodule_path }}
          git commit -m "Update submodule to the latest commit"
          git push origin ${{ github.ref_name }}

      - name: Trigger Docker build workflow
        run: |
          curl -X POST \
          -H "Accept: application/vnd.github+json" \
          -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
          https://api.github.com/repos/${{ github.repository }}/dispatches \
          -d '{
                "event_type": "trigger_docker_build",
                "client_payload": {
                  "latest_tag": "${{ env.latest_tag }}",
                  "tag_as_latest": "${{ github.event.inputs.tagAsLatest }}"
                }
              }'

      - name: Display updated submodule path
        run: |
          echo "Submodule updated to the latest commit at path: ${{ env.submodule_path }}"