emqx4.3/rel/reltool.config.script

%% -*- mode: erlang;erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ft=erlang ts=4 sw=4 et

Sys         = proplists:get_value(sys, CONFIG),
IncludeApps = [App || {app, App, _} <- Sys],

[DepsDir]   = proplists:get_value(lib_dirs, Sys),
DepApps     = lists:map(fun(AppFile) ->
                        {ok, [{application, Name, Attrs}]}
                            = file:consult(filename:join(DepsDir, AppFile)),
                        Name
                      end, filelib:wildcard("*/ebin/*.app", DepsDir)),
AppendApps  = DepApps -- IncludeApps,
Cond        = [{mod_cond, app}, {incl_cond, include}],

NewSys      = lists:append(Sys, [{app, App, Cond} || App <- AppendApps]),

lists:keyreplace(sys, 1, CONFIG, {sys, NewSys}).