anchor.diff:  rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /tmp/* && \
   cd && \
   rm -fr bitlbee-$VERSION* && \
  -rm -fr 1.1.tar.gz skype4pidgin-* && \
  +rm -fr 1.2.2.tar.gz skype4pidgin-* && \
   rm -fr v1.0.0.tar.gz bitlbee-facebook-* && \
   mkdir -p /var/lib/bitlbee && \
   chown -R daemon:daemon /var/lib/bitlbee* # dup: otherwise it won't be chown'ed when using volumes
  
positive.code: RUN apt-get update && apt-get install -y --no-install-recommends autoconf automake gettext gcc libtool make dpkg-dev libglib2.0-dev libotr5-dev libpurple-dev libgnutls28-dev libjson-glib-dev && \
  cd && \
  curl -LO# https://get.bitlbee.org/src/bitlbee-$VERSION.tar.gz && \
  curl -LO# https://github.com/EionRobb/skype4pidgin/archive/1.1.tar.gz && \
  curl -LO# https://github.com/jgeboski/bitlbee-facebook/archive/v1.0.0.tar.gz && \
  tar zxvf bitlbee-$VERSION.tar.gz && \
  cd bitlbee-$VERSION && \
  
negative.code: make install-etc && \
  make install-dev && \
  cd && \
  tar zxvf 1.2.2.tar.gz && \
  cd skype4pidgin-1.2.2/skypeweb && \
  make && \
  make install && \
  cd && \
  