anchor.diff:  is_my_os() ->
       case os:type() of
           {unix, linux} ->
  +            true;
  +        {unix, darwin} ->
               true;
           _ ->
               false
  
positive.code: 
  check_disk_space({unix, linux}, Port) ->
      Result = my_cmd("/bin/df -alk", Port),
      check_disks_linux(skip_to_eol(Result)).
  
  check_disks_linux("") ->
      [];
  
negative.code: %%
  %% forked shortened version of R16 disksup. serves 2 purposes:
  %% - include bind mounts into linux disk info
  %% - fix OSX disksup to include the new Apple File System (apfs)
  
  -module(ns_disksup).
  -behaviour(gen_server).
  