index.go: add omitempty to platform

Signed-off-by: zhouhao <zhouhao@cn.fujitsu.com>
opencontainers · Mar 10, 2017 · 9548f7d · 9548f7d
1 parent 37f2a1b
commit 9548f7d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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.