anchor.diff:              ''
                 mkdir $out
                 diskImage=$out/$diskImageBase
  -              truncate $diskImage --size 10G
  +              truncate $diskImage --size ${diskSize}
                 mv closure xchg/
               '';
   
  
positive.code:         ''
            # Create partition table
            ${pkgs.parted}/sbin/parted /dev/vda mklabel msdos
            ${pkgs.parted}/sbin/parted /dev/vda mkpart primary ext4 1 10G
            ${pkgs.parted}/sbin/parted /dev/vda print
            . /sys/class/block/vda1/uevent
            mknod /dev/vda1 b $MAJOR $MINOR
  
negative.code: { config, pkgs, ... }:
  
  with pkgs.lib;
  let
    diskSize = "200G";
  in
  {
    imports = [ ../profiles/headless.nix ../profiles/qemu-guest.nix ];
  
  