From 846863ca66dfef58273ab0dce87202ea8bfb0ef3 Mon Sep 17 00:00:00 2001
From: Olaoluwa Osuntokun <laolu32@gmail.com>
Date: Sat, 1 Apr 2017 14:33:49 +0200
Subject: [PATCH] lnd: avoid duplicating the help message (-h flag)

---
 lnd.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lnd.go b/lnd.go
index 008da576..355508d3 100644
--- a/lnd.go
+++ b/lnd.go
@@ -17,6 +17,7 @@ import (
 
 	"google.golang.org/grpc"
 
+	flags "github.com/btcsuite/go-flags"
 	proxy "github.com/grpc-ecosystem/grpc-gateway/runtime"
 	"github.com/lightningnetwork/lnd/chainntnfs/btcdnotify"
 	"github.com/lightningnetwork/lnd/channeldb"
@@ -225,7 +226,10 @@ func main() {
 	// Call the "real" main in a nested manner so the defers will properly
 	// be executed in the case of a graceful shutdown.
 	if err := lndMain(); err != nil {
-		fmt.Fprintln(os.Stderr, err)
+		if e, ok := err.(*flags.Error); ok && e.Type == flags.ErrHelp {
+		} else {
+			fmt.Fprintln(os.Stderr, err)
+		}
 		os.Exit(1)
 	}
 }