From 4cb50e86920028e94d651dbfe40b208ea2476142 Mon Sep 17 00:00:00 2001
From: Vasiliy Tolstov <v.tolstov@unistack.org>
Date: Wed, 5 May 2021 16:39:41 +0300
Subject: [PATCH] dont overwrite metadata

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
---
 requestid.go | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/requestid.go b/requestid.go
index 70154df..e4c2b5a 100644
--- a/requestid.go
+++ b/requestid.go
@@ -19,12 +19,12 @@ var (
 	// MetadataFunc wil be used if user not provide own func to fill metadata
 	MetadataFunc = func(ctx context.Context) (context.Context, error) {
 		md, ok := metadata.FromIncomingContext(ctx)
-		if ok {
-			if _, ok = md.Get(MetadataKey); ok {
-				return ctx, nil
-			}
+		if !ok {
+			md = metadata.New(1)
+		}
+		if _, ok = md.Get(MetadataKey); ok {
+			return ctx, nil
 		}
-		md = metadata.New(1)
 		id, err := uuid.NewRandom()
 		if err != nil {
 			return ctx, err