From 0408051b166871cbe48c582a7ab8e56c4bcb1961 Mon Sep 17 00:00:00 2001
From: Thibaut Horel <thibaut.horel@gmail.com>
Date: Wed, 4 May 2016 18:04:30 -0400
Subject: For BFSMerkle, do not truncate the file if it already exists

---
 merkle.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/merkle.go b/merkle.go
index ccb348c..1ef55ce 100644
--- a/merkle.go
+++ b/merkle.go
@@ -36,7 +36,7 @@ type BFSMerkle struct {
 }
 
 func NewBFSMerkle(height int64, fname string) *BFSMerkle {
-	file, err := os.Create(fname)
+	file, err := os.OpenFile(fname, os.O_RDWR|os.O_CREATE, 0666)
 	if err != nil {
 		panic(err)
 	}
-- 
cgit v1.2.3-70-g09d2