From 371b6c6904ce628b737f9a9e79af84f0f50c783e Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Fri, 17 Apr 2015 18:51:33 -0500
Subject: handle directory that doesn't exist in dscv_util

---
 src/rlx_dscv_util.erl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/rlx_dscv_util.erl b/src/rlx_dscv_util.erl
index fefdbce..6fe2712 100644
--- a/src/rlx_dscv_util.erl
+++ b/src/rlx_dscv_util.erl
@@ -72,12 +72,14 @@ format_detail({not_a_directory, EbinDir}) ->
 
 -spec discover_dir(process_fun([term()] | term()),
                    file:name(),
-                   directory | file | symlink) ->
+                   directory | file | symlink | undefined) ->
                           [{ok, term()}
                            | {error, Reason::term()}]
                               | []
                               | {ok, term()}
                               | {error, Reason::term()}.
+discover_dir(_ProcessDir, _File, undefined) ->
+    [];
 discover_dir(ProcessDir, File, directory) ->
     case ProcessDir(File, directory) of
         {ok, Result, true} ->
-- 
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