anchor.diff:  
   # Remove orphaned packages
   RUN if [ ! -z "$(pacman -Qtdq)" ]; then \
  -    pacman --noconfirm -Rns $(pacman -Qtdq); \
  -  fi
  +      pacman --noconfirm -Rns $(pacman -Qtdq); \
  +    fi
   
   # Clear pacman caches
   RUN pacman --noconfirm -Scc
  
positive.code:       org.label-schema.schema-version="1.0"
  
  # Optimise the mirror list
  RUN pacman --noconfirm -Syyu && \
    pacman-db-upgrade && \
    pacman --noconfirm -S reflector rsync && \
    reflector -l 200 -p https --sort rate --save /etc/pacman.d/mirrorlist && \
    pacman -Rsn --noconfirm reflector python rsync
  
  # Update system
  RUN pacman -Su --noconfirm
  
negative.code: FROM vcatechnology/base-archlinux
  MAINTAINER VCA Technology <developers@vcatechnology.com>
  
  # Build-time metadata as defined at http://label-schema.org
  