From cc247c551044f9db364002c97e8721d77049d09c Mon Sep 17 00:00:00 2001
From: Mickael Remond <mremond@process-one.net>
Date: Mon, 6 Apr 2015 12:39:21 +0200
Subject: [PATCH] Fix compilation result for asn1 files

---
 mix.exs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/mix.exs b/mix.exs
index 997ce4a14..c52364737 100644
--- a/mix.exs
+++ b/mix.exs
@@ -51,7 +51,6 @@ defmodule Mix.Tasks.Compile.Asn1 do
   @recursive true
   @manifest ".compile.asn1"
 
-  @spec run(OptionParser.argv) :: :ok | :noop
   def run(args) do
     {opts, _, _} = OptionParser.parse(args, switches: [force: :boolean])
 
@@ -64,8 +63,10 @@ defmodule Mix.Tasks.Compile.Asn1 do
     Erlang.compile(manifest(), mappings, :asn1, :erl, opts[:force], fn
       input, output ->
         options = options ++ [:noobj, outdir: Erlang.to_erl_file(Path.dirname(output))]
-        :asn1ct.compile(Erlang.to_erl_file(input), options)
-        :ok
+        case :asn1ct.compile(Erlang.to_erl_file(input), options) do
+          :ok -> {:ok, :done}
+          error -> error       
+        end
     end)
   end