add k8s defaults

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

@@ -48,6 +48,8 @@ limitations under the License.
 package main
 
 import (
+	"path/filepath"
+
 	"k8s.io/gengo/args"
 	"k8s.io/gengo/examples/deepcopy-gen/generators"
 
@@ -60,6 +62,7 @@ func main() {
 
 	// Override defaults.
 	arguments.OutputFileBaseName = "deepcopy_generated"
+	arguments.GoHeaderFilePath = filepath.Join(args.DefaultSourceTree(), "k8s.io/kubernetes/hack/boilerplate/boilerplate.go.txt")
 
 	// Custom args.
 	customArgs := &generators.CustomArgs{}

cmd/libs/go2idl/import-boss/main.go

@@ -57,6 +57,7 @@ package main
 
 import (
 	"os"
+	"path/filepath"
 
 	"k8s.io/gengo/args"
 	"k8s.io/gengo/examples/import-boss/generators"
@@ -74,6 +75,7 @@ func main() {
 		"k8s.io/kubernetes/cmd/...",
 		"k8s.io/kubernetes/plugin/...",
 	}
+	arguments.GoHeaderFilePath = filepath.Join(args.DefaultSourceTree(), "k8s.io/kubernetes/hack/boilerplate/boilerplate.go.txt")
 	// arguments.VerifyOnly = true
 
 	if err := arguments.Execute(

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

@@ -26,6 +26,7 @@ package main
 
 import (
 	"os"
+	"path/filepath"
 
 	"k8s.io/gengo/args"
 	"k8s.io/gengo/examples/set-gen/generators"
@@ -40,6 +41,7 @@ func main() {
 	// locations.
 	arguments.InputDirs = []string{"k8s.io/kubernetes/pkg/util/sets/types"}
 	arguments.OutputPackagePath = "k8s.io/kubernetes/pkg/util/sets"
+	arguments.GoHeaderFilePath = filepath.Join(args.DefaultSourceTree(), "k8s.io/kubernetes/hack/boilerplate/boilerplate.go.txt")
 
 	if err := arguments.Execute(
 		generators.NameSystems(),