anchor.diff:  
       # Remove anything we added that we do not need
       pacman --noconfirm -Rs dbus-glib dri2proto dri3proto fontsproto glproto \
  -    libxml2 libxss mesa pixman presentproto randrproto renderproto flex libtool \
  -    resourceproto videoproto xf86driproto xineramaproto xorg-util-macros inputproto \
  -    linux dkms gcc linux-headers binutils guile make libxfont xorg-bdftopcf \
  -    xorg-font-utils fontconfig xorg-fonts-encodings python-setuptools python \
  -    dbus systemd yaourt package-query automake git m4 libx32-flex bison autoconf \
  -    automake1.11 freetype2 harfbuzz graphite libpng xorg-server-devel \
  -    libunistring gettext && \
  +            libxml2 libxss mesa pixman presentproto randrproto renderproto flex libtool \
  +            resourceproto videoproto xf86driproto xineramaproto xorg-util-macros inputproto \
  +            linux dkms gcc linux-headers binutils guile make libxfont xorg-bdftopcf \
  +            xorg-font-utils fontconfig xorg-fonts-encodings python-setuptools python \
  +            dbus systemd yaourt package-query automake git m4 libx32-flex bison autoconf \
  +            automake1.11 freetype2 harfbuzz graphite libpng xorg-server-devel \
  +            libunistring gettext && \
   
       # Clean up to make this as small as possible
       localepurge && \
  
positive.code:     rm -r /tmp/* && \
  
      # Remove Nvidia utils/dkms from the system since we do not need them anymore.
      pacman --noconfirm -Rs nvidia-utils nvidia-dkms && \
  
      # Remove nvidia drivers since dkms replaces them.
      rm /var/cache/pacman/pkg/nvidia-3* && \
  
negative.code: 
  # Cache packages that have happened since the last airootfs image
  RUN pacman --noconfirm -Syw --cachedir /var/cache/pacman/general \
              btrfs-progs \
              ca-certificates-utils \
              ca-certificates \
              dnsmasq \
              glib2 \
              glibc \
              grml-zsh-config \
              gssproxy \
              lftp \
              libinput \
              libssh2 \
              libtasn1 \
              lz4 \
              man-pages \
              nano \
              ntp \
              partclone \
              openconnect \
              systemd-sysvcompat \
              tcpdump \
              testdisk && \
      rm -r /var/lib/pacman/sync/*
  
  # Just download these since we don't actually need them for the docker container.
  # Make sure none of these are in the list above.
  RUN pacman --noconfirm -Syw --cachedir /var/cache/pacman/general \
              base-devel \
              acpi \
              alsa-utils \
              arch-install-scripts \
              aria2 \
              awesome \
              c-ares \
              cpupower \
              ctags \
              dkms \
              feh \
              git \
              haveged \
              htop \
              gnome-keyring \
              google-chrome \
              hfsprogs \
              intel-ucode \
              imagemagick \
              linux \
              linux-headers \
              lm_sensors \
              mlocate \
              networkmanager \
              network-manager-applet \
              pavucontrol \
              package-query \
              pciutils \
              pekwm \
              plasma \
              powertop \
              pulseaudio \
              pulseaudio-alsa \
              python-dateutil \
              python-docutils \
              python-pyasn1\
              python-rsa \
              python-setuptools \
              python-six \
              reflector \
              rsync \
              sqlite \
              sddm \
              systemd \
              terminus-font \
              tree \
              tmux \
              vicious \
              vim \
              xfce4 \
              xfce4-whiskermenu-plugin \
              xorg-server \
              xorg-server-utils \
              xorg-xinit \
              xorg-xev \
              yajl \
              yaourt \
              zsh-syntax-highlighting && \
      rm -r /var/lib/pacman/sync/*
  