diff --git a/boilerplate/boilerplate.go.txt b/boilerplate/boilerplate.go.txt
index 59e740c1..b7c650da 100644
--- a/boilerplate/boilerplate.go.txt
+++ b/boilerplate/boilerplate.go.txt
@@ -1,5 +1,5 @@
 /*
-Copyright YEAR The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/deepcopy-gen/.gitignore b/examples/deepcopy-gen/.gitignore
new file mode 100644
index 00000000..eab8184d
--- /dev/null
+++ b/examples/deepcopy-gen/.gitignore
@@ -0,0 +1 @@
+deepcopy-gen
diff --git a/examples/deepcopy-gen/output_tests/builtins/zz_generated.go b/examples/deepcopy-gen/output_tests/builtins/zz_generated.go
index 922a7b0c..300dec48 100644
--- a/examples/deepcopy-gen/output_tests/builtins/zz_generated.go
+++ b/examples/deepcopy-gen/output_tests/builtins/zz_generated.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/deepcopy-gen/output_tests/interfaces/zz_generated.go b/examples/deepcopy-gen/output_tests/interfaces/zz_generated.go
index 85361281..e3f9fe34 100644
--- a/examples/deepcopy-gen/output_tests/interfaces/zz_generated.go
+++ b/examples/deepcopy-gen/output_tests/interfaces/zz_generated.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/deepcopy-gen/output_tests/maps/zz_generated.go b/examples/deepcopy-gen/output_tests/maps/zz_generated.go
index d8b97927..6f7b0156 100644
--- a/examples/deepcopy-gen/output_tests/maps/zz_generated.go
+++ b/examples/deepcopy-gen/output_tests/maps/zz_generated.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/deepcopy-gen/output_tests/pointer/zz_generated.go b/examples/deepcopy-gen/output_tests/pointer/zz_generated.go
index cc49bf83..4b98703d 100644
--- a/examples/deepcopy-gen/output_tests/pointer/zz_generated.go
+++ b/examples/deepcopy-gen/output_tests/pointer/zz_generated.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/deepcopy-gen/output_tests/slices/zz_generated.go b/examples/deepcopy-gen/output_tests/slices/zz_generated.go
index 869332aa..74c841c1 100644
--- a/examples/deepcopy-gen/output_tests/slices/zz_generated.go
+++ b/examples/deepcopy-gen/output_tests/slices/zz_generated.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/deepcopy-gen/output_tests/structs/zz_generated.go b/examples/deepcopy-gen/output_tests/structs/zz_generated.go
index 79d8a00b..209cd50a 100644
--- a/examples/deepcopy-gen/output_tests/structs/zz_generated.go
+++ b/examples/deepcopy-gen/output_tests/structs/zz_generated.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/deepcopy-gen/output_tests/wholepkg/zz_generated.go b/examples/deepcopy-gen/output_tests/wholepkg/zz_generated.go
index 17708a48..a951f1bf 100644
--- a/examples/deepcopy-gen/output_tests/wholepkg/zz_generated.go
+++ b/examples/deepcopy-gen/output_tests/wholepkg/zz_generated.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/set-gen/Makefile b/examples/set-gen/Makefile
new file mode 100644
index 00000000..0e73130a
--- /dev/null
+++ b/examples/set-gen/Makefile
@@ -0,0 +1,15 @@
+TOOL=set-gen
+
+test:
+	@if ! git diff --quiet HEAD; then \
+	    echo "FAIL: git client is not clean"; \
+	    false; \
+	fi
+	@go build -o /tmp/$(TOOL)
+	@PKGS=$$(go list ./sets/types  | paste -sd' ' -); \
+	/tmp/$(TOOL) --logtostderr --v=4 -i $$(echo $$PKGS | sed 's/ /,/g') -O zz_generated -o ./sets
+	@if ! git diff --quiet HEAD; then \
+	    echo "FAIL: output files changed"; \
+	    git diff; \
+	    false; \
+	fi
diff --git a/examples/set-gen/sets/byte.go b/examples/set-gen/sets/byte.go
index 60144d18..ac3a7e71 100644
--- a/examples/set-gen/sets/byte.go
+++ b/examples/set-gen/sets/byte.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/set-gen/sets/doc.go b/examples/set-gen/sets/doc.go
index 28a6a7d5..feeee6c5 100644
--- a/examples/set-gen/sets/doc.go
+++ b/examples/set-gen/sets/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/set-gen/sets/empty.go b/examples/set-gen/sets/empty.go
index cd22b953..2d069592 100644
--- a/examples/set-gen/sets/empty.go
+++ b/examples/set-gen/sets/empty.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/set-gen/sets/int.go b/examples/set-gen/sets/int.go
index 2b155e4e..63566301 100644
--- a/examples/set-gen/sets/int.go
+++ b/examples/set-gen/sets/int.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/set-gen/sets/int64.go b/examples/set-gen/sets/int64.go
index 0137bca2..eaab5d65 100644
--- a/examples/set-gen/sets/int64.go
+++ b/examples/set-gen/sets/int64.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/examples/set-gen/sets/string.go b/examples/set-gen/sets/string.go
index ec72eea2..d5218c79 100644
--- a/examples/set-gen/sets/string.go
+++ b/examples/set-gen/sets/string.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.