anchor.diff:  
   COPY queue.h /tmp
   
  -RUN set -x && \
  -    apk add --no-cache $BUILD_DEPS && \
  +RUN apk add --no-cache $BUILD_DEPS && \
       mkdir -p /tmp/src && \
       cd /tmp/src && \
       git clone --depth=1 --branch="${DNSCRYPT_WRAPPER_GIT_BRANCH}" "${DNSCRYPT_WRAPPER_GIT_URL}" && \
  
positive.code: FROM jedisct1/alpine-runit:latest
  MAINTAINER Frank Denis
  ENV SERIAL 3
  
  ENV BUILD_DEPS   make gcc musl-dev git libevent-dev expat-dev shadow autoconf file openssl-dev byacc linux-headers
  ENV RUNTIME_DEPS bash util-linux coreutils findutils grep openssl ldns ldns-tools libevent expat libexecinfo coreutils drill ca-certificates
  
  RUN set -x && \
      apk --no-cache upgrade && apk add --no-cache $RUNTIME_DEPS && \
      update-ca-certificates 2> /dev/null || true
  
  ENV UNBOUND_GIT_URL https://github.com/jedisct1/unbound.git
  ENV UNBOUND_GIT_REVISION 4edb15ba417c78710069a5be8be3a6b5d8bdba9c
  
  RUN set -x && \
      apk add --no-cache $BUILD_DEPS && \
      mkdir -p /tmp/src && \
      cd /tmp/src && \
      git clone --depth=1000 "$UNBOUND_GIT_URL" && \
  
negative.code: 
  ENV LIBSODIUM_GIT_URL https://github.com/jedisct1/libsodium.git
  
  RUN apk add --no-cache $BUILD_DEPS && \
      mkdir -p /tmp/src && \
      cd /tmp/src && \
      git clone --depth=1 --branch stable "$LIBSODIUM_GIT_URL" && \
  