From 3f5898f8d0c333ddb9aa95924df41f25395ecd45 Mon Sep 17 00:00:00 2001
From: Guillaume Lours <705411+glours@users.noreply.github.com>
Date: Wed, 13 Nov 2024 11:09:42 +0100
Subject: [PATCH] push empty descriptor layer when using OCI version 1.1 for
 Compose artifact it fixes a repository creation issue when pushing the 1st
 time a Compose OCI artifact on the Hub

Signed-off-by: Guillaume Lours <705411+glours@users.noreply.github.com>
---
 internal/ocipush/push.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/internal/ocipush/push.go b/internal/ocipush/push.go
index 0296f67da..206150569 100644
--- a/internal/ocipush/push.go
+++ b/internal/ocipush/push.go
@@ -88,6 +88,10 @@ func PushManifest(
 	layers []Pushable,
 	ociVersion api.OCIVersion,
 ) error {
+	// Check if we need an extra empty layer for the manifest config
+	if ociVersion == api.OCIVersion1_1 || ociVersion == "" {
+		layers = append(layers, Pushable{Descriptor: v1.DescriptorEmptyJSON, Data: []byte("{}")})
+	}
 	// prepare to push the manifest by pushing the layers
 	layerDescriptors := make([]v1.Descriptor, len(layers))
 	for i := range layers {