anchor.diff:      end.
   
   -spec delete_if_expired(file:filename(), float(),
  -                        non_neg_integer(), bool()) -> 'ok'.
  +                        non_neg_integer(), boolean()) -> 'ok'.
   delete_if_expired(Path, Diff, Expires, true) when Diff > Expires ->
       error_logger:info_report({"GC: Deleting expired object (paranoid)", Path}),
       Trash = "!trash." ++ filename:basename(Path),
  
positive.code: %%% O1) Remove leftover !partial. files
  %%%
  -spec handle_file(nonempty_string(), nonempty_string(),
      nonempty_string(), 'blob' | 'tag', disco_util:timestamp()) -> _.
  handle_file("!trash" ++ _, _, _, _, _) ->
      ok;
  handle_file("!partial" ++ _ = File, Dir, _, _, Now) ->
  
negative.code:                 delete_if_expired(FullPath, Diff, Expires, Paranoid)
          end, ets:match(Ets, {'$1', '$2', false})).
  
  -spec is_really_orphan(pid(), binary()) -> boolean().
  is_really_orphan(Master, Obj) ->
      Master ! {is_orphan, self(), Obj},
      receive
  