From 9548f7da7136f91cfe1281b4e146639b6e571fae Mon Sep 17 00:00:00 2001
From: zhouhao <zhouhao@cn.fujitsu.com>
Date: Fri, 10 Mar 2017 11:00:03 +0800
Subject: [PATCH] index.go: add omitempty to platform

Signed-off-by: zhouhao <zhouhao@cn.fujitsu.com>
---
 specs-go/v1/index.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/specs-go/v1/index.go b/specs-go/v1/index.go
index 17a3859cb..c7d56ef66 100644
--- a/specs-go/v1/index.go
+++ b/specs-go/v1/index.go
@@ -47,7 +47,7 @@ type ManifestDescriptor struct {
 	Descriptor
 
 	// Platform describes the platform which the image in the manifest runs on.
-	Platform Platform `json:"platform"`
+	Platform Platform `json:"platform,omitempty"`
 }
 
 // Index references manifests for various platforms.