Fix copyright, add TODOs

pkg/fs/confirmeddir.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 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.
+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.
+*/
+
 package fs
 
 import (
@@ -32,11 +48,10 @@ type ConfirmedDir string
 // actual path existence.
 //
 // This is tested on linux, but will have trouble
-// on other operating systems.  As soon as related
+// on other operating systems.
-// work is completed in the core filepath package,
+// TODO(monopole) Refactor when #golang/go/18358 closes.
-// this code should be refactored to use it.
+// See also:
-// See:
+//   https://github.com/golang/go/issues/18358
-//   https://github.com/golang/go/issues/18355
 //   https://github.com/golang/dep/issues/296
 //   https://github.com/golang/dep/blob/master/internal/fs/fs.go#L33
 //   https://codereview.appspot.com/5712045

pkg/fs/confirmeddir_test.go

@@ -1,3 +1,19 @@
+/*
+Copyright 2018 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.
+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.
+*/
+
 package fs
 
 import (

pkg/loader/fileloader.go

@@ -216,6 +216,10 @@ func (l *fileLoader) errIfArgEqualOrHigher(
 	return l.referrer.errIfArgEqualOrHigher(candidateRoot)
 }
 
+// TODO(monopole): Distinguish branches?
+// I.e. Allow a distinction between git URI with
+// path foo and tag bar and a git URI with the same
+// path but a different tag?
 func (l *fileLoader) errIfPreviouslySeenUri(uri string) error {
 	if strings.HasPrefix(l.uri, uri) {
 		return fmt.Errorf(