From ffbb31e660c4903a7f8240ee917d7125459aac44 Mon Sep 17 00:00:00 2001
From: alisdair sullivan <alisdairsullivan@yahoo.ca>
Date: Tue, 17 Feb 2015 15:44:05 -0800
Subject: purge mods loaded during check to see if they need to be recompiled
 during compile task before running subsequent tasks

---
 src/rebar_erlc_compiler.erl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/rebar_erlc_compiler.erl b/src/rebar_erlc_compiler.erl
index 14e6349..330f20b 100644
--- a/src/rebar_erlc_compiler.erl
+++ b/src/rebar_erlc_compiler.erl
@@ -265,9 +265,11 @@ opts_changed(Opts, Target) ->
     case code:load_abs(ObjectFile) of
         {module, Mod} ->
             Compile = Mod:module_info(compile),
+            %% dialyzer and eunit have trouble without the next two lines
+            code:delete(Mod),
+            code:purge(Mod),
             lists:sort(Opts) =/= lists:sort(proplists:get_value(options,
-                                                                Compile,
-                                                                undefined));
+                                                                Compile));
         {error, nofile} -> true
     end.
 
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