From 13e6463ac52970d7e06b0dfb988abb73291b3cbd Mon Sep 17 00:00:00 2001
From: Sushil Kumar <sushil.kumar3@hpe.com>
Date: Tue, 25 Oct 2016 14:05:31 -0700
Subject: [PATCH] Return error if failed to make directory while
 "BackgroundRun"

---
 selfupdate/selfupdate.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/selfupdate/selfupdate.go b/selfupdate/selfupdate.go
index 18a4856..6cd4590 100644
--- a/selfupdate/selfupdate.go
+++ b/selfupdate/selfupdate.go
@@ -98,7 +98,10 @@ func (u *Updater) getExecRelativeDir(dir string) string {
 
 // BackgroundRun starts the update check and apply cycle.
 func (u *Updater) BackgroundRun() error {
-	os.MkdirAll(u.getExecRelativeDir(u.Dir), 0777)
+	if err := os.MkdirAll(u.getExecRelativeDir(u.Dir), 0777); err != nil {
+		// fail
+		return err
+	}
 	if u.wantUpdate() {
 		if err := up.CanUpdate(); err != nil {
 			// fail