From 79a1c285f0d66e3379b48c6e65ead55345620be2 Mon Sep 17 00:00:00 2001
From: nuex <nx@nu-ex.com>
Date: Sat, 7 Feb 2015 17:33:03 -0500
Subject: return an error when an app file is missing

---
 src/rebar_app_utils.erl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/rebar_app_utils.erl b/src/rebar_app_utils.erl
index dac3f0f..f991e4e 100644
--- a/src/rebar_app_utils.erl
+++ b/src/rebar_app_utils.erl
@@ -127,6 +127,7 @@ app_vsn(Config, AppFile) ->
 %% Internal functions
 %% ===================================================================
 
+load_app_file(_State, undefined) -> {error, missing_app_file};
 load_app_file(State, Filename) ->
     AppFile = {app_file, Filename},
     case rebar_state:get(State, {appfile, AppFile}, undefined) of
-- 
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