Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/vendor/k8s.io/client-go/tools/clientcmd/flag.go b/vendor/k8s.io/client-go/tools/clientcmd/flag.go
new file mode 100644
index 0000000..8d60d20
--- /dev/null
+++ b/vendor/k8s.io/client-go/tools/clientcmd/flag.go
@@ -0,0 +1,49 @@
+/*
+Copyright 2017 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 clientcmd
+
+// transformingStringValue implements pflag.Value to store string values,
+// allowing transforming them while being set
+type transformingStringValue struct {
+ target *string
+ transformer func(string) (string, error)
+}
+
+func newTransformingStringValue(val string, target *string, transformer func(string) (string, error)) *transformingStringValue {
+ *target = val
+ return &transformingStringValue{
+ target: target,
+ transformer: transformer,
+ }
+}
+
+func (t *transformingStringValue) Set(val string) error {
+ val, err := t.transformer(val)
+ if err != nil {
+ return err
+ }
+ *t.target = val
+ return nil
+}
+
+func (t *transformingStringValue) Type() string {
+ return "string"
+}
+
+func (t *transformingStringValue) String() string {
+ return string(*t.target)
+}