From 7e554d06978ac52a4e56b48f67819af356a3279b Mon Sep 17 00:00:00 2001
From: alisdair sullivan <alisdairsullivan@yahoo.ca>
Date: Sat, 27 Aug 2016 13:22:41 -0700
Subject: reset accumulated coverdata on writing out to disk. this prevents
 provider chains like `eunit, ct, proper` from misreporting cover stats from
 providers later in the sequence

---
 src/rebar_prv_cover.erl | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/rebar_prv_cover.erl b/src/rebar_prv_cover.erl
index 7c2597b..401c331 100644
--- a/src/rebar_prv_cover.erl
+++ b/src/rebar_prv_cover.erl
@@ -376,6 +376,8 @@ write_coverdata(State, Task) ->
     ExportFile = filename:join([DataDir, atom_to_list(Task) ++ ".coverdata"]),
     case cover:export(ExportFile) of
         ok ->
+            %% dump accumulated coverdata after writing
+            ok = cover:reset(),
             ?DEBUG("Cover data written to ~p.", [ExportFile]);
         {error, Reason} ->
             ?WARN("Cover data export failed: ~p", [Reason])
-- 
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