From c044c93603af0d545821becf4fae68ea969eb074 Mon Sep 17 00:00:00 2001
From: moraes <rodrigo.moraes@gmail.com>
Date: Wed, 3 Oct 2012 18:38:59 -0300
Subject: [PATCH] Truncate session files when writing, otherwise we might not
 be able to parse them later on. Patch from Michael Stapelberg (thanks!).
 Closes #1

---
 store.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/store.go b/store.go
index 7f0a2cb..8d00cb3 100644
--- a/store.go
+++ b/store.go
@@ -195,9 +195,9 @@ func (s *FilesystemStore) save(session *Session) error {
 	filename := s.path + "session_" + session.ID
 	fileMutex.Lock()
 	defer fileMutex.Unlock()
-	fp, err2 := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE, 0600)
-	if err2 != nil {
-		return err2
+	fp, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
 	}
 	if _, err = fp.Write([]byte(encoded)); err != nil {
 		return err