anchor.diff:  RUN mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 777 "$GOPATH"
   	
   # clear caches
  -RUN yum clear all
  +RUN yum clean all
   
   CMD /bin/bash
  
positive.code: 
  # install Go
  RUN curl -fsSLO "https://storage.googleapis.com/golang/go1.5.1.linux-amd64.tar.gz" \
  	&& tar -C /usr/local -xzf golang1.5.1.linux-amd64.tar.gz \
  	&& rm -f golang1.5.1.linux-amd64.tar.gz
  
  ENV GOPATH /go
  ENV PATH $GOPATH/bin:/usr/local/go/bin:$PATH
  
negative.code: MAINTAINER "Ryan Armstrong" <ryan@cavaliercoder.com>
  
  # install updates and packages
  RUN yum update -y && yum install -y epel-release && yum install -y --nogpgcheck \
  	autoconf \
  	automake \
  	curl \
  