anchor.diff:  
   # Install g++, then download and install protoc for generating protobuf output
   RUN apt-get update \
  -  && apt-get install -y rsync jq apt-utils file patch unzip \
  -  && apt-get clean && rm -rf /var/lib/apt/lists/*
  +  && apt-get install -y \
  +      apt-utils \
  +      file \
  +      jq \
  +      patch \
  +      rsync \
  +      unzip
   
   # Use dynamic cgo linking for architectures other than amd64 for the server platforms
   # To install crossbuild essential for other architectures add the following repository.
  
positive.code:   && cd /usr/local/src/etcd \
    && curl -fsSL https://github.com/coreos/etcd/releases/download/${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-amd64.tar.gz | tar -xz \
    && ln -s ../src/etcd/etcd-${ETCD_VERSION}-linux-amd64/etcd /usr/local/bin/
  
negative.code:   && apt-key adv --no-tty --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 3B4FE6ACC0B21F32 \
    && apt-get update \
    && apt-get install -y build-essential \
    && for platform in ${KUBE_DYNAMIC_CROSSPLATFORMS}; do apt-get install -y crossbuild-essential-${platform}; done
  
  RUN PROTOBUF_VERSION=3.0.2; ZIPNAME="protoc-${PROTOBUF_VERSION}-linux-x86_64.zip"; \
    mkdir /tmp/protoc && cd /tmp/protoc \
  