Merge pull request #16854 from wojtek-t/deep_copy_generator

cmd/libs/go2idl/deepcopy-gen/main.go

+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// deepcopy-gen is a tool for auto-generating DeepCopy functions.
+//
+// Structs in the input directories with the below line in their comments
+// will be ignored during generation.
+// // +gencopy=false
+package main
+
+import (
+	"k8s.io/kubernetes/cmd/libs/go2idl/args"
+	"k8s.io/kubernetes/cmd/libs/go2idl/deepcopy-gen/generators"
+
+	"github.com/golang/glog"
+)
+
+func main() {
+	arguments := args.Default()
+
+	if err := arguments.Execute(
+		generators.NameSystems(),
+		generators.DefaultNameSystem(),
+		generators.Packages,
+	); err != nil {
+		glog.Fatalf("Error: %v", err)
+	}
+}

cmd/libs/go2idl/set-gen/generators/sets.go

@@ -39,7 +39,7 @@ func NameSystems() namer.NameSystems {
 	}
 }
 
-// NameSystems returns the default name system for ordering the types to be
+// DefaultNameSystem returns the default name system for ordering the types to be
 // processed by the generators in this package.
 func DefaultNameSystem() string {
 	return "public"

cmd/libs/go2idl/types/types.go

@@ -195,6 +195,11 @@ func (t *Type) String() string {
 	return t.Name.String()
 }
 
+// IsAssignable returns whether the type is assignable.
+func (t *Type) IsAssignable() bool {
+	return t.Kind == Builtin || (t.Kind == Alias && t.Underlying.Kind == Builtin)
+}
+
 // A single struct member
 type Member struct {
 	// The name of the member.