anchor.diff:  		python-distro-info \
   		python3-debian \
   		quilt \
  -		--no-install-recommends
  -
  -# need an editor for "dch -i"
  -RUN apt-get update && apt-get install -yq vim --no-install-recommends
  -
  -# a few extra little useful things
  -RUN apt-get update && apt-get install -yq bash-completion curl less wget
  +		--no-install-recommends \
  +	&& rm -rf /var/lib/apt/lists/*
   
   # need deb-src for compiling packages
  -RUN sed -i 'p; s/^deb /deb-src /' /etc/apt/sources.list /etc/apt/sources.list.d/experimental.list && \
  -	apt-get update
  +RUN sed -i 'p; s/^deb /deb-src /' /etc/apt/sources.list /etc/apt/sources.list.d/experimental.list
   
   # tianon is _really_ lazy, and likes a preseeded bash history
   ENV HOME /root
  
positive.code: 
  # normal build deps
  RUN apt-get update && apt-get install -y \
  		build-essential \
  		devscripts \
  		dh-make \
  
negative.code: # make sure things are pretty
  ENV LANG C.UTF-8
  ENV TERM xterm-256color
  RUN cp /etc/skel/.bashrc ~/ \
  	&& sed -ri 's/^#(force_color_prompt=yes)/\1/' ~/.bashrc
  
  # quilt is much amaze: https://wiki.debian.org/UsingQuilt#Using_quilt_with_Debian_source_packages
  ENV QUILT_PATCHES debian/patches
  ENV QUILT_REFRESH_ARGS -p ab --no-timestamps --no-index
  
  COPY scripts /tianon
  