name: Update protobuf generated files

on:
  push:
    branches: [main]

jobs:
  protoc-update:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.7'
      - name: Install protoc
        run: |
          sudo apt-get install protobuf-compiler
      - name: Set up Python environment
        run: |
          pip3 install -e .
          pip3 install -r requirements_test.txt

      - name: Generate protoc
        run: |
          script/gen-protoc
      # github actions email from here: https://github.community/t/github-actions-bot-email-address/17204
      - name: Commit changes
        run: |
          if ! git diff --quiet; then
            git config --global user.name "github-actions[bot]"
            git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
            git commit -am "Update protobuf files"
            git push
          fi