update vendor

Signed-off-by: Roland.Ma <rolandma@yunify.com>

vendor/sigs.k8s.io/kustomize/kyaml/yaml/schema/schema.go

@@ -0,0 +1,44 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+// Package schema contains libraries for working with the yaml and openapi packages.
+package schema
+
+import (
+	"strings"
+
+	"sigs.k8s.io/kustomize/kyaml/openapi"
+	"sigs.k8s.io/kustomize/kyaml/yaml"
+)
+
+// IsAssociative returns true if all elements in the list contain an
+// AssociativeSequenceKey as a field.
+func IsAssociative(schema *openapi.ResourceSchema, nodes []*yaml.RNode, infer bool) bool {
+	if schema != nil {
+		return schemaHasMergeStrategy(schema)
+	}
+	if !infer {
+		return false
+	}
+	for i := range nodes {
+		node := nodes[i]
+		if yaml.IsMissingOrNull(node) {
+			continue
+		}
+		if node.IsAssociative() {
+			return true
+		}
+	}
+	return false
+}
+
+func schemaHasMergeStrategy(schema *openapi.ResourceSchema) bool {
+	tmp, _ := schema.PatchStrategyAndKey()
+	strategies := strings.Split(tmp, ",")
+	for _, s := range strategies {
+		if s == "merge" {
+			return true
+		}
+	}
+	return false
+}