anchor.diff:      && cd buildozer \
       && git remote add sombernight https://github.com/SomberNight/buildozer \
       && git fetch --all \
  -    && git checkout cceab3c2ce4b2d2d621cf2fd18227024fc2d4bca \
  +    && git checkout d0323c165dd5d9aa23d5eb01044474fe006c3420 \
       && python3 -m pip install --user -e .
   
   # install python-for-android
  
positive.code: # install system dependencies
  RUN apt -y update -qq \
      && apt -y install -qq --no-install-recommends \
          python3 virtualenv python3-pip python3-setuptools git wget lbzip2 patch sudo \
          software-properties-common \
      && apt -y autoremove
  
  # install kivy
  
negative.code:     && cd python-for-android \
      && git remote add sombernight https://github.com/SomberNight/python-for-android \
      && git fetch --all \
      && git checkout cef08b92268fe69ef331699c2205cbb091e730f0 \
      && python3 -m pip install --user -e .
  
  # build env vars
  