From 28fcc53e457f1925c6bf4e87b8f57fc2dbf3b680 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Tue, 13 Jun 2017 10:52:10 +0100
Subject: [PATCH] mount test: retry umount as it fails occasionally

This is because of the background releasing of files which happens
after all the files are closed.
---
 cmd/mountlib/mounttest/fs.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmd/mountlib/mounttest/fs.go b/cmd/mountlib/mounttest/fs.go
index 5eb024195..b80e3fd3e 100644
--- a/cmd/mountlib/mounttest/fs.go
+++ b/cmd/mountlib/mounttest/fs.go
@@ -13,6 +13,7 @@ import (
 	"runtime"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/ncw/rclone/cmd/mountlib"
 	"github.com/ncw/rclone/fs"
@@ -156,6 +157,11 @@ func (r *Run) umount() {
 	*/
 	log.Printf("Unmounting %q", r.mountPath)
 	err := r.umountFn()
+	if err != nil {
+		log.Printf("signal to umount failed - retrying: %v", err)
+		time.Sleep(3 * time.Second)
+		err = r.umountFn()
+	}
 	if err != nil {
 		log.Fatalf("signal to umount failed: %v", err)
 	}