From bbca04fd7e72d4854bd0cfcbec09fe399c9924f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zlatko=20=C4=8Calu=C5=A1i=C4=87?= <zcalusic@bitsync.net>
Date: Sun, 6 Nov 2016 18:14:08 +0100
Subject: [PATCH] Sync BLOB's to disk before returning OK status

This slows down backup command up to 25% on a very fast network (read:
localhost), but is the right thing to do. Safety first, performance
second.
---
 handlers.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/handlers.go b/handlers.go
index 1f057aa..da24d0e 100644
--- a/handlers.go
+++ b/handlers.go
@@ -190,6 +190,12 @@ func SaveBlob(c *Context) http.HandlerFunc {
 			os.Remove(tmp)
 			return
 		}
+		if err := tf.Sync(); err != nil {
+			http.Error(w, "500 internal server error", 500)
+			tf.Close()
+			os.Remove(tmp)
+			return
+		}
 		if err := tf.Close(); err != nil {
 			http.Error(w, "500 internal server error", 500)
 			os.Remove(tmp)