vendor dependencies

vendor/k8s.io/apiserver/pkg/util/flag/tristate.go

@@ -1,83 +0,0 @@
-/*
-Copyright 2014 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 flag
-
-import (
-	"fmt"
-	"strconv"
-)
-
-// Tristate is a flag compatible with flags and pflags that
-// keeps track of whether it had a value supplied or not.
-type Tristate int
-
-const (
-	Unset Tristate = iota // 0
-	True
-	False
-)
-
-func (f *Tristate) Default(value bool) {
-	*f = triFromBool(value)
-}
-
-func (f Tristate) String() string {
-	b := boolFromTri(f)
-	return fmt.Sprintf("%t", b)
-}
-
-func (f Tristate) Value() bool {
-	b := boolFromTri(f)
-	return b
-}
-
-func (f *Tristate) Set(value string) error {
-	boolVal, err := strconv.ParseBool(value)
-	if err != nil {
-		return err
-	}
-
-	*f = triFromBool(boolVal)
-	return nil
-}
-
-func (f Tristate) Provided() bool {
-	if f != Unset {
-		return true
-	}
-	return false
-}
-
-func (f *Tristate) Type() string {
-	return "tristate"
-}
-
-func boolFromTri(t Tristate) bool {
-	if t == True {
-		return true
-	} else {
-		return false
-	}
-}
-
-func triFromBool(b bool) Tristate {
-	if b {
-		return True
-	} else {
-		return False
-	}
-}