anchor.diff:        mknod ${dev}/null c 1 3
         mknod ${dev}/zero c 1 5
         mknod ${dev}/tty  c 5 0
  -      . /sys/class/block/vda/uevent
  -      mknod ${dev}/vda  b $MAJOR $MINOR
  +      . /sys/class/block/${hd}/uevent
  +      mknod ${dev}/${hd} b $MAJOR $MINOR
       '';
   
     
  
positive.code:         # Make the Nix store available in /mnt, because that's where the RPMs live.
          mkdir -p /mnt/nix/store
          ${utillinux}/bin/mount -o bind /nix/store /mnt/nix/store
          
          echo "installing RPMs..."
          PATH=/usr/bin:/bin:/usr/sbin:/sbin $chroot /mnt \
  
negative.code:     #! ${bash}/bin/sh
      diskImage=$diskImage
      TMPDIR=$TMPDIR
      ${socat}/bin/socat unix-listen:$TMPDIR/samba exec:'${samba}/sbin/smbd -s $TMPDIR/smb.conf' &
      while [ ! -e $TMPDIR/samba ]; do sleep 0.1; done # ugly
      ${qemuCommand}
      EOF
  
  