From 73dfa21ba3ace3f3908a1b156339e0d29afd9078 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Fri, 3 Nov 2017 16:12:16 +0000
Subject: [PATCH] local: avoid triggering the race detector

---
 local/local.go | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/local/local.go b/local/local.go
index 8c7b82321..25eb9c627 100644
--- a/local/local.go
+++ b/local/local.go
@@ -767,9 +767,17 @@ func (o *Object) Update(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOptio
 
 // setMetadata sets the file info from the os.FileInfo passed in
 func (o *Object) setMetadata(info os.FileInfo) {
-	o.size = info.Size()
-	o.modTime = info.ModTime()
-	o.mode = info.Mode()
+	// Don't overwrite the info if we don't need to
+	// this avoids upsetting the race detector
+	if o.size != info.Size() {
+		o.size = info.Size()
+	}
+	if o.modTime != info.ModTime() {
+		o.modTime = info.ModTime()
+	}
+	if o.mode != info.Mode() {
+		o.mode = info.Mode()
+	}
 }
 
 // Stat a Object into info