From 36b8e61a2b6bc86bda20aa595c3cd9d8e702cb12 Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Thu, 6 Nov 2014 17:44:24 -0600
Subject: better handling of error messages

---
 src/rebar3.erl | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/rebar3.erl b/src/rebar3.erl
index e5d82f9..a61209a 100644
--- a/src/rebar3.erl
+++ b/src/rebar3.erl
@@ -52,7 +52,13 @@ main(Args) ->
         {error, rebar_abort} ->
             rebar_utils:delayed_halt(1);
         {error, {Module, Reason}} ->
-            ?ERROR(Module:format_error(Reason, []), []),
+            case code:which(Module) of
+                non_existing ->
+                    ?ERROR("Uncaught error in rebar_core. Run with DEBUG=1 to see stacktrace~n", []),
+                    ?DEBUG("Uncaught error: ~p ~p~n", [Module, Reason]);
+                _ ->
+                    ?ERROR(Module:format_error(Reason, []), [])
+            end,
             rebar_utils:delayed_halt(1);
         {error, Error} when is_list(Error) ->
             ?ERROR(Error++"~n", []),
-- 
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