From a529577b740d5a0a8f48703d4d66248099155de0 Mon Sep 17 00:00:00 2001
From: Joseph Wayne Norton <norton@alum.mit.edu>
Date: Mon, 27 Dec 2010 11:04:47 +0900
Subject: Remove erlc target after fail_on_warning failure

Prevent overlooking a compilation warning by removing the target beam
file after fail_on_warning failure.
---
 src/rebar_erlc_compiler.erl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/rebar_erlc_compiler.erl b/src/rebar_erlc_compiler.erl
index e69dea9..13c2eaa 100644
--- a/src/rebar_erlc_compiler.erl
+++ b/src/rebar_erlc_compiler.erl
@@ -228,6 +228,8 @@ internal_erl_compile(Source, Config, Outdir, ErlOpts) ->
                     %% We got at least one warning -- if fail_on_warning is in options, fail
                     case lists:member(fail_on_warning, Opts) of
                         true ->
+                            %% remove target to prevent overlooking this failure
+                            ok = file:delete(Target),
                             ?FAIL;
                         false ->
                             ok
-- 
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