anchor.diff:  FROM ubuntu:14.04
  +
  +
  +# ------------------------------------------------------
  +# --- Environments and base directories
   
   # Environments
   # - Language
  
positive.code: WORKDIR /bitrise/prep
  
  
  RUN apt-get -y update
  RUN DEBIAN_FRONTEND=noninteractive apt-get -y install git mercurial curl wget rsync sudo
  
  # install Ruby from source
  #  from source: mainly because of GEM native extensions,
  
negative.code: 
  RUN gem install bundler --no-document
  
  
  # install Go
  #  from official binary package
  RUN wget https://storage.googleapis.com/golang/go1.5.1.linux-amd64.tar.gz -O go-bins.tar.gz
  