anchor.diff: -from ubuntu:12.10
  +from ubuntu:14.04
   
   run apt-get update -y
   run apt-get install -y mercurial
  
positive.code: 
  run chown -R dev: /home/dev
  user dev
  
  
  
  entrypoint ["/bin/bash", "-l"]
  
negative.code: env LD_LIBRARY_PATH /home/dev/lib
  env GOPATH /home/dev/go:$GOPATH
  
  run go get github.com/dotcloud/gordon/pulls
  
  # Create a shared data volume
  # We need to create an empty file, otherwise the volume will
  # belong to root.
  