anchor.diff:  # - make sure we don't have trouble getting deps from GitHub
   # - touch Makefile to avoid timestamp error message
   # - install
  -RUN ssh-keyscan github.com > /etc/ssh/ssh_known_hosts && \
  -  touch Makefile && \
  -  make build
  +RUN ssh-keyscan github.com > /etc/ssh/ssh_known_hosts \
  +  && touch Makefile \
  +  && make build \
  +  && rm -rf $GOPATH/src \
  +  && rm -rf $GOPATH/pkg \
  +  && rm -f $GOPATH/bin/deppy
   
   CMD ["-h"]
   ENTRYPOINT ["/app/bin/docker-builder"]
  
positive.code:     git-core \
      pkg-config \
      mercurial \
      ca-certificates && \
    update-ca-certificates --fresh && \
    curl -sLO https://storage.googleapis.com/golang/$GO_TARBALL && \
    bash -c "test \"$(openssl sha1 $GO_TARBALL | awk '{print $2}')\" == '$TARBALL_SHA1_SUM'" && \
    tar -C /usr/local -xzf $GO_TARBALL && \
    ln -sv /usr/local/go/bin/* /usr/local/bin && \
    rm -f $GO_TARBALL
  
  WORKDIR /app/src/github.com/rafecolton/docker-builder
  
  
negative.code: 
  # - Fix some issues with APT packages (See https://github.com/dotcloud/docker/issues/1024)
  # - install deps, go
  RUN dpkg-divert --local --rename --add /sbin/initctl \
    && ln -sFf /bin/true /sbin/initctl \
    && echo "initscripts hold" | dpkg --set-selections \
    && apt-get update -y \
    && apt-get install -y -qq --no-install-recommends \
      apt-transport-https \
      build-essential \
      curl \
  