fix help task

src/rebar_prv_help.erl

@@ -39,10 +39,10 @@ do(State) ->
 %%
 help(State) ->
     ?CONSOLE("Rebar is a tool for working with Erlang projects.~n~n", []),
-    OptSpecList = rebar3:option_spec_list(),
+    OptSpecList = rebar3:global_option_spec_list(),
     getopt:usage(OptSpecList, "rebar", "", []),
     ?CONSOLE("~nSeveral tasks are available:~n", []),
 
-    providers:help(State),
+    providers:help(rebar_state:providers(State)),
 
     ?CONSOLE("~nRun 'rebar help <TASK>' for details.~n~n", []).

src/rebar_prv_version.erl

@@ -32,6 +32,5 @@ init(State) ->
 
 -spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
 do(State) ->
-    io:format("REST ~p~n", [rebar_state:command_args(State)]),
     rebar3:version(),
     {ok, State}.