anchor.diff:  #
   #  sabnzbd = callPackage ../servers/sabnzbd { };
   #
  -#  bind = callPackage ../servers/dns/bind { };
  +  bind = callPackage ../servers/dns/bind { };
   #  dnsutils = bind.override {
   #    suffix = "tools";
   #  };
  
positive.code: #
  #  lsscsi = callPackage ../os-specific/linux/lsscsi { };
  #
  #  lvm2 = callPackage ../os-specific/linux/lvm2 { };
  #
  #  mbpfan = callPackage ../os-specific/linux/mbpfan { };
  #
  
negative.code: #
  #  bdf2psf = callPackage ../tools/misc/bdf2psf { };
  #
    bcache-tools = callPackage ../tools/filesystems/bcache-tools { };
  #
  #  bchunk = callPackage ../tools/cd-dvd/bchunk { };
  #
  