From a71fc16263a2198ec3608a9257bb3b35bd2a2890 Mon Sep 17 00:00:00 2001
From: ShuheiKubota <kubota.shuhei+github@gmail.com>
Date: Sun, 10 Nov 2019 12:00:13 +0900
Subject: [PATCH] fix: suppress help msg on error

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

diff --git a/vvin.go b/vvin.go
index 22130fe..d47ea73 100644
--- a/vvin.go
+++ b/vvin.go
@@ -223,7 +223,10 @@ func main() {
 	app.Version = Version
 	app.Usage = ``
 	app.Copyright = "(C) 2019 Shuhei Kubota"
-	app.Run(os.Args)
+	app.SuppressErrorOutput = true
+	if err := app.Run(os.Args); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+	}
 }
 
 var (