WIP: abra recipe upgrade on the way

client/registry.go

@@ -0,0 +1,19 @@
+package client
+
+import (
+	"github.com/docker/distribution/reference"
+)
+
+type Tag struct {
+	Layer string
+	Name  string
+}
+
+type Tags []Tag
+
+var registryURL = "https://registry.hub.docker.com/v1/repositories/%s/tags"
+
+func ReadRegistryTags(image reference.Named, target interface{}) ([]string, error) {
+	// tagsUrl := fmt.Sprintf(registryURL, image.Name())
+	return nil, nil
+}