anchor.diff:  find_deps([Other | _Rest], _Acc) ->
       ?ABORT("Invalid dependency specification ~p in ~s\n",
              [Other, rebar_utils:get_cwd()]).
  -
  -
   
   
   require_source_engine(Source) ->
  
positive.code:     %% the necessary transitivity of the deps
      erlang:put(?MODULE, [D#dep.dir || D <- PulledDeps]),
      ok.
  
  
  %% ===================================================================
  
negative.code:          postprocess/2,
           compile/2,
           'check-deps'/2,
           'get-deps'/2,
           'delete-deps'/2]).
  
  
  -record(dep, { dir,
  