anchor.diff:  RUN /tmp/install_qt.sh $QTDIR --verbose --platform minimal \
   # Cleanup once again
       && rm -rf /tmp/* \
  -    && rm -rf $QTDIR/Docs $QTDIR/Examples $QTDIR/Tools/QtCreator
  +    && rm -rf $QTDIR/Docs $QTDIR/Examples $QTDIR/Tools/QtCreator \
  +              $QTDIR/MaintenanceTool* \
  +	      $QTBIN/qgltf \
  +	      $QTBIN/qdoc \
  +	      $QTBIN/linguist \
  +	      $QTBIN/assistant \
  +	      $QTBIN/designer \
  +	      $QTBIN/../lib/*.a
   
   
   ENV PYENV_VERSION 3.5.6
  
positive.code: && rm -rf $PYENV_ROOT/sources/* \
             && find $PYENV_ROOT -type d -name '.git' | xargs rm -rf \
             && rm -rf $PYENV_ROOT/versions/$PYENV_VERSION/lib/*/test/
  ENV PATH "${QTDIR}/5.12.3/gcc_64/bin:/usr/lib/ccache:${PATH}"
  ENV PATH "$PYENV_ROOT/bin:$PATH"
  
  RUN echo 'eval "$(pyenv init -)"' >> /root/.bashrc \
  && echo 'eval "$(pyenv virtualenv-init -)"' >> /root/.bashrc \
  && echo 'PKG_CONFIG_PATH=$(python3-config --prefix)/lib/pkgconfig' >> /root/.bashrc \
  && bash -ic 'python -m pip install --upgrade pip codecov'
  
  RUN echo Internal image disk usage: $(du -sch /* 2>/dev/null | sort -h)
  
negative.code: MAINTAINER Iakov Kirilenko <Iakov.Kirilenko@trikset.com>
  ENV DEBIAN_FRONTEND noninteractive
  ENV QTDIR "/Qt"
  ENV QTBIN "${QTDIR}/5.12.3/gcc_64/bin"
  # Build image with two huge layers, this is the 1st one.
  RUN apt-get update \
      && apt-get -y upgrade \
  