anchor.diff:              cp -npd ${pkgs.libvirt}/var/lib/$i /var/lib/$i
           done
   
  +        # Copy generated qemu config to libvirt directory
  +        cp -f ${qemuConfigFile} /var/lib/libvirt/qemu.conf
  +
           # libvirtd puts the full path of the emulator binary in the machine
           # config file. But this path can unfortunately be garbage collected
           # while still being used by the virtual machine. So update the
  
positive.code:       description = ''
          Extra contents appended to the libvirtd configuration file,
          libvirtd.conf.
        '';
      };
  
  
negative.code:     auth_unix_ro = "none"
      auth_unix_rw = "none"
      ${cfg.extraConfig}
    '';
    qemuConfigFile = pkgs.writeText "qemu.conf" ''
      ${cfg.qemuVerbatimConfig}
    '';
  
  in {
  