From 10c8b02a8d76af43c3c56e2037783511bf6a2cf2 Mon Sep 17 00:00:00 2001
From: Josh Berdine <jjb@fb.com>
Date: Wed, 31 Oct 2018 11:16:11 -0700
Subject: [PATCH] [sledge] Clean test coverage data before `make coverage`

Reviewed By: mbouaziz

Differential Revision: D12854512

fbshipit-source-id: 51d0d8d27
---
 sledge/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sledge/Makefile b/sledge/Makefile
index b678693e4..d7dcc6a57 100644
--- a/sledge/Makefile
+++ b/sledge/Makefile
@@ -46,6 +46,7 @@ BISECT_DIR=$(CURDIR)/_coverage/out
 
 .PHONY: coverage
 coverage: setup
+	@rm -rf _coverage
 	@mkdir -p $(BISECT_DIR)
 	@BISECT_FILE=$(BISECT_DIR)/bisect dune build --force @_build/coverage/runtest
 	@find $(BISECT_DIR) -type f | xargs bisect-ppx-report -I _build/coverage/ -text _coverage/summary.txt -html _coverage/