Use :extra_applications instead of :applications in escript.build (#5534)

Author: whatyouhide

lib/mix/lib/mix/tasks/escript.build.ex

@@ -197,10 +197,13 @@ defmodule Mix.Tasks.Escript.Build do
 
     extra_apps =
       if function_exported?(mod, :application, 0) do
-        mod.application[:applications]
+        app = mod.application()
+        Keyword.get(app, :applications, []) ++ Keyword.get(app, :extra_applications, [])
+      else
+        []
       end
 
-    Enum.filter(extra_apps || [], &(&1 in [:eex, :ex_unit, :mix, :iex, :logger]))
+    Enum.filter(extra_apps, &(&1 in [:eex, :ex_unit, :mix, :iex, :logger]))
   end
 
   defp app_files(app) do

lib/mix/test/mix/tasks/escript_test.exs

@@ -47,7 +47,7 @@ defmodule Mix.Tasks.EscriptTest do
     end
 
     def application do
-      [applications: []]
+      [applications: [], extra_applications: [:crypto]]
     end
   end