anchor.diff:  
   # now build+install knxd itself
   WORKDIR /root/knxd
  -RUN sleep 1
  +RUN git checkout master
   RUN dpkg-buildpackage -b -uc
   WORKDIR /root
   RUN sleep 1
  
positive.code: FROM debian:stretch
  
  MAINTAINER Anders Åslund <anders.aslund@teknoir.se>
  
  # Update packages
  RUN apt-get update && \
    apt-get upgrade -y && \
    apt-get install -y git-core cmake build-essential wget debhelper cdbs autoconf automake libtool libusb-1.0-0 libusb-1.0-0-dev pkg-config libsystemd-dev dh-systemd init-system-helpers libev-dev libfmt3-dev && \
    apt-get clean -y && \
    apt-get autoclean -y && \
    apt-get autoremove
  
negative.code: 
  USER knxd
  
  CMD knxd --error=DEBUG --eibaddr=${EIBADDR} -u /tmp/eib -D -T -R -S --listen-tcp=${LISTEN_TCP} iptn:${IPTN}
  