anchor.diff:  
   RUN apt-get install locales
   RUN locale-gen en_US en_US.UTF-8
  +
  +ENV TZ=America/New_York
  +RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
  +RUN apt-get update
   
   RUN apt-get install -y curl wget
   RUN apt-get install -y git subversion
  
positive.code: ADD dkr/software/mechanics-shell /usr/local/bin/mechanics-shell
  
  ## Java ##
  ##RUN apt-get install -y openjdk-6-jdk
  #RUN apt-get install -y openjdk-7-jdk
  #RUN apt-get install -y openjdk-8-jdk
  RUN add-apt-repository -y ppa:webupd8team/java
  RUN apt-get update
  
  #RUN echo "oracle-java6-installer shared/accepted-oracle-license-v1-1 select true" | debconf-set-selections;\
  #    echo "oracle-java6-installer shared/accepted-oracle-license-v1-1 seen true" | debconf-set-selections;\
  
negative.code: # namin/io.livecode.ch
  
  FROM ubuntu:18.04
  MAINTAINER Nada Amin, namin@alum.mit.edu
  
  RUN \
  