name: Change Indicator

on: pull_request

jobs:
  unit_tests:
    runs-on: ubuntu-latest
    container: px4io/px4-dev-base-focal:2020-09-14
    steps:
    - uses: actions/checkout@v2.3.1
    - name: checkout newest version of branch
      run: |
        git fetch origin pull/${{github.event.pull_request.number}}/head:${{github.head_ref}}
        git checkout ${GITHUB_HEAD_REF}
    - name: main test
      run: make test
    - name: Check if there is a functional change
      run:  git diff --exit-code
      working-directory: test/change_indication