From 6c0b3f87c0d79ef8b885c006ec1a32a4af84a5dd Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Sat, 22 Nov 2014 19:23:15 -0600
Subject: fix check for plugin being a provider

---
 src/rebar_plugins.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rebar_plugins.erl b/src/rebar_plugins.erl
index 3b117e9..b7d81e2 100644
--- a/src/rebar_plugins.erl
+++ b/src/rebar_plugins.erl
@@ -55,7 +55,7 @@ validate_plugin(Plugin) ->
     Exports = sets:from_list(Plugin:module_info(exports)),
     Required = sets:from_list([{init,1},
                                {do,1},
-                               {format_error,2}]),
+                               {format_error,1}]),
     case sets:is_subset(Required,  Exports) of
         false ->
             ?WARN("Plugin ~p is not a provider. It will not be used.~n", [Plugin]),
-- 
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