Fix missing call to cwd_predirs

src/rebar_core.erl

@@ -45,9 +45,9 @@ help(ParentConfig, Commands) ->
     %% get plugin modules
     Predirs = [],
     Dir = rebar_utils:get_cwd(),
-    SubdirAssoc = remember_cwd_subdir(Dir, Predirs),
+    PredirsAssoc = remember_cwd_predirs(Dir, Predirs),
     Config = maybe_load_local_config(Dir, ParentConfig),
-    {ok, PluginModules} = plugin_modules(Config, SubdirAssoc),
+    {ok, PluginModules} = plugin_modules(Config, PredirsAssoc),
 
     AllModules = CoreModules ++ PluginModules,