add --all option to clean

src/rebar_prv_clean.erl

@@ -27,18 +27,39 @@ init(State) ->
                                                                {example, "rebar clean"},
                                                                {short_desc, "Remove compiled beam files from apps."},
                                                                {desc, ""},
-                                                               {opts, []}])),
+                                                               {opts, [{all, $a, "all", undefined, "Clean all apps include deps"}]}])),
     {ok, State1}.
 
 -spec do(rebar_state:t()) -> {ok, rebar_state:t()} | {error, string()}.
 do(State) ->
     ProjectApps = rebar_state:project_apps(State),
+    {all, All} = handle_args(State),
+
+    Apps = case All of
+               true ->
+                   DepsDir = rebar_state:get(State, deps_dir, ?DEFAULT_DEPS_DIR),
+                   DepApps = rebar_app_discover:find_apps([DepsDir], all),
+                   ProjectApps ++ DepApps;
+               false ->
+                   ProjectApps
+           end,
+
     lists:foreach(fun(AppInfo) ->
                           ?INFO("Cleaning out ~s...~n", [rebar_app_info:name(AppInfo)]),
                           rebar_erlc_compiler:clean(State, ec_cnv:to_list(rebar_app_info:dir(AppInfo)))
-                  end, ProjectApps),
+                  end, Apps),
+
     {ok, State}.
 
 -spec format_error(any(), rebar_state:t()) ->  {iolist(), rebar_state:t()}.
 format_error(Reason, State) ->
     {io_lib:format("~p", [Reason]), State}.
+
+%% ===================================================================
+%% Internal functions
+%% ===================================================================
+
+handle_args(State) ->
+    {Args, _} = rebar_state:command_parsed_args(State),
+    All = proplists:get_value(all, Args, false),
+    {all, All}.

src/rebar_prv_compile.erl

@@ -31,7 +31,7 @@ init(State) ->
                                                                {short_desc, "Compile apps .app.src and .erl files."},
                                                                {desc, ""},
                                                                {opts, [
-                                                                      {jobs,     $j, "jobs",     integer,   JobsHelp}
+                                                                      {jobs, $j, "jobs", integer, JobsHelp}
                                                                       ]}])),
     {ok, State1}.