Merge pull request #7510 from eparis/cobra-rebase

Cobra rebase
2025-07-31 07:20:13 +00:00 · 2015-04-29 15:08:41 -07:00 · 2015-04-29 15:08:41 -07:00 · 9fd8cbae64
commit 9fd8cbae64
parent ee27094238 52a005fa24
41 changed files with 309 additions and 121 deletions
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@ -484,11 +484,11 @@
 		},
 		{
 			"ImportPath": "github.com/spf13/cobra",
-			"Rev": "9cb5e8502924a8ff1cce18a9348b61995d7b4fde"
+			"Rev": "69e5f196b5d30673deb07a2221d89cf62e4b74ae"
 		},
 		{
 			"ImportPath": "github.com/spf13/pflag",
-			"Rev": "60d4c375939ff7ba397a84117d5281256abb298f"
+			"Rev": "d4ebabf889f7b016ffcb5f74c350e1e5424b2094"
 		},
 		{
 			"ImportPath": "github.com/stretchr/objx",
--- a/Godeps/_workspace/src/github.com/spf13/cobra/README.md
+++ b/Godeps/_workspace/src/github.com/spf13/cobra/README.md
@ -145,9 +145,9 @@ A flag can also be assigned locally which will only apply to that specific comma

 ### Remove a command from its parent

-Removing a command is not a common action is simple program but it allows 3rd parties to customize an existing command tree.
+Removing a command is not a common action in simple programs but it allows 3rd parties to customize an existing command tree.

-In this exemple, we remove the existing `VersionCmd` command of an existing root command, and we replace it by our own version.
+In this example, we remove the existing `VersionCmd` command of an existing root command, and we replace it by our own version.

 	mainlib.RootCmd.RemoveCommand(mainlib.VersionCmd)
 	mainlib.RootCmd.AddCommand(versionCmd)
--- a/Godeps/_workspace/src/github.com/spf13/cobra/cobra_test.go
+++ b/Godeps/_workspace/src/github.com/spf13/cobra/cobra_test.go
@ -483,6 +483,32 @@ func TestInvalidSubCommandFlags(t *testing.T) {

 }

+func TestSubCommandArgEvaluation(t *testing.T) {
+	cmd := initializeWithRootCmd()
+
+	first := &Command{
+		Use: "first",
+		Run: func(cmd *Command, args []string) {
+		},
+	}
+	cmd.AddCommand(first)
+
+	second := &Command{
+		Use: "second",
+		Run: func(cmd *Command, args []string) {
+			fmt.Fprintf(cmd.Out(), "%v", args)
+		},
+	}
+	first.AddCommand(second)
+
+	result := simpleTester(cmd, "first second first third")
+
+	expectedOutput := fmt.Sprintf("%v", []string{"first third"})
+	if result.Output != expectedOutput {
+		t.Errorf("exptected %v, got %v", expectedOutput, result.Output)
+	}
+}
+
 func TestPersistentFlags(t *testing.T) {
 	fullSetupTest("echo -s something -p more here")

--- a/Godeps/_workspace/src/github.com/spf13/cobra/command.go
+++ b/Godeps/_workspace/src/github.com/spf13/cobra/command.go
@ -328,15 +328,18 @@ func stripFlags(args []string, c *Command) []string {
 	return commands
 }

-func argsMinusX(args []string, x string) []string {
-	newargs := []string{}
-
-	for _, y := range args {
-		if x != y {
-			newargs = append(newargs, y)
+// argsMinusFirstX removes only the first x from args.  Otherwise, commands that look like
+// openshift admin policy add-role-to-user admin my-user, lose the admin argument (arg[4]).
+func argsMinusFirstX(args []string, x string) []string {
+	for i, y := range args {
+		if x == y {
+			ret := []string{}
+			ret = append(ret, args[:i]...)
+			ret = append(ret, args[i+1:]...)
+			return ret
 		}
 	}
-	return newargs
+	return args
 }

 // find the target command given the args and command tree
@ -359,7 +362,7 @@ func (c *Command) Find(arrs []string) (*Command, []string, error) {
 				matches := make([]*Command, 0)
 				for _, cmd := range c.commands {
 					if cmd.Name() == argsWOflags[0] || cmd.HasAlias(argsWOflags[0]) { // exact name or alias match
-						return innerfind(cmd, argsMinusX(args, argsWOflags[0]))
+						return innerfind(cmd, argsMinusFirstX(args, argsWOflags[0]))
 					} else if EnablePrefixMatching {
 						if strings.HasPrefix(cmd.Name(), argsWOflags[0]) { // prefix match
 							matches = append(matches, cmd)
@ -374,7 +377,7 @@ func (c *Command) Find(arrs []string) (*Command, []string, error) {

 				// only accept a single prefix match - multiple matches would be ambiguous
 				if len(matches) == 1 {
-					return innerfind(matches[0], argsMinusX(args, argsWOflags[0]))
+					return innerfind(matches[0], argsMinusFirstX(args, argsWOflags[0]))
 				}
 			}
 		}
--- a/Godeps/_workspace/src/github.com/spf13/cobra/md_docs.go
+++ b/Godeps/_workspace/src/github.com/spf13/cobra/md_docs.go
@ -34,7 +34,7 @@ func printOptions(out *bytes.Buffer, cmd *Command, name string) {
 	parentFlags := cmd.InheritedFlags()
 	parentFlags.SetOutput(out)
 	if parentFlags.HasFlags() {
-		fmt.Fprintf(out, "### Options inherrited from parent commands\n\n```\n")
+		fmt.Fprintf(out, "### Options inherited from parent commands\n\n```\n")
 		parentFlags.PrintDefaults()
 		fmt.Fprintf(out, "```\n\n")
 	}
--- a/Godeps/_workspace/src/github.com/spf13/cobra/md_docs_test.go
+++ b/Godeps/_workspace/src/github.com/spf13/cobra/md_docs_test.go
@ -59,6 +59,4 @@ func TestGenMdDoc(t *testing.T) {
 	if !strings.Contains(found, expected) {
 		t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
 	}
-
-	fmt.Fprintf(os.Stdout, "%s\n", found)
 }
--- a/Godeps/_workspace/src/github.com/spf13/pflag/bool_test.go
+++ b/Godeps/_workspace/src/github.com/spf13/pflag/bool_test.go
@ -156,7 +156,8 @@ func TestImplicitFalse(t *testing.T) {
 func TestInvalidValue(t *testing.T) {
 	var tristate triStateValue
 	f := setUpFlagSet(&tristate)
-	err := f.Parse([]string{"--tristate=invalid"})
+	args := []string{"--tristate=invalid"}
+	_, err := parseReturnStderr(t, f, args)
 	if err == nil {
 		t.Fatal("expected an error but did not get any, tristate has value", tristate)
 	}
--- a/Godeps/_workspace/src/github.com/spf13/pflag/flag.go
+++ b/Godeps/_workspace/src/github.com/spf13/pflag/flag.go
@ -120,9 +120,9 @@ const (
 	PanicOnError
 )

-// normalizedName is a flag name that has been normalized according to rules
+// NormalizedName is a flag name that has been normalized according to rules
 // for the FlagSet (e.g. making '-' and '_' equivalent).
-type normalizedName string
+type NormalizedName string

 // A FlagSet represents a set of defined flags.
 type FlagSet struct {
@ -131,17 +131,17 @@ type FlagSet struct {
 	// a custom error handler.
 	Usage func()

-	name           string
-	parsed         bool
-	actual         map[normalizedName]*Flag
-	formal         map[normalizedName]*Flag
-	shorthands     map[byte]*Flag
-	args           []string // arguments after flags
-	exitOnError    bool     // does the program exit if there's an error?
-	errorHandling  ErrorHandling
-	output         io.Writer // nil means stderr; use out() accessor
-	interspersed   bool      // allow interspersed option/non-option args
-	wordSeparators []string
+	name              string
+	parsed            bool
+	actual            map[NormalizedName]*Flag
+	formal            map[NormalizedName]*Flag
+	shorthands        map[byte]*Flag
+	args              []string // arguments after flags
+	exitOnError       bool     // does the program exit if there's an error?
+	errorHandling     ErrorHandling
+	output            io.Writer // nil means stderr; use out() accessor
+	interspersed      bool      // allow interspersed option/non-option args
+	normalizeNameFunc func(f *FlagSet, name string) NormalizedName
 }

 // A Flag represents the state of a flag.
@ -152,6 +152,7 @@ type Flag struct {
 	Value       Value               // value as set
 	DefValue    string              // default value (as text); for usage message
 	Changed     bool                // If the user set the value (or if left to default)
+	Deprecated  string              // If this flag is deprecated, this string is the new or now thing to use
 	Annotations map[string][]string // used by cobra.Command  bash autocomple code
 }

@ -164,7 +165,7 @@ type Value interface {
 }

 // sortFlags returns the flags as a slice in lexicographical sorted order.
-func sortFlags(flags map[normalizedName]*Flag) []*Flag {
+func sortFlags(flags map[NormalizedName]*Flag) []*Flag {
 	list := make(sort.StringSlice, len(flags))
 	i := 0
 	for k := range flags {
@ -174,18 +175,29 @@ func sortFlags(flags map[normalizedName]*Flag) []*Flag {
 	list.Sort()
 	result := make([]*Flag, len(list))
 	for i, name := range list {
-		result[i] = flags[normalizedName(name)]
+		result[i] = flags[NormalizedName(name)]
 	}
 	return result
 }

-func (f *FlagSet) normalizeFlagName(name string) normalizedName {
-	result := name
-	for _, sep := range f.wordSeparators {
-		result = strings.Replace(result, sep, "-", -1)
+func (f *FlagSet) SetNormalizeFunc(n func(f *FlagSet, name string) NormalizedName) {
+	f.normalizeNameFunc = n
+	for k, v := range f.formal {
+		delete(f.formal, k)
+		f.formal[f.normalizeFlagName(string(k))] = v
 	}
-	// Type convert to indicate normalization has been done.
-	return normalizedName(result)
+}
+
+func (f *FlagSet) GetNormalizeFunc() func(f *FlagSet, name string) NormalizedName {
+	if f.normalizeNameFunc != nil {
+		return f.normalizeNameFunc
+	}
+	return func(f *FlagSet, name string) NormalizedName { return NormalizedName(name) }
+}
+
+func (f *FlagSet) normalizeFlagName(name string) NormalizedName {
+	n := f.GetNormalizeFunc()
+	return n(f, name)
 }

 func (f *FlagSet) out() io.Writer {
@ -239,10 +251,20 @@ func (f *FlagSet) Lookup(name string) *Flag {
 }

 // lookup returns the Flag structure of the named flag, returning nil if none exists.
-func (f *FlagSet) lookup(name normalizedName) *Flag {
+func (f *FlagSet) lookup(name NormalizedName) *Flag {
 	return f.formal[name]
 }

+// Mark a flag deprecated in your program
+func (f *FlagSet) MarkDeprecated(name string, usageMessage string) error {
+	flag := f.Lookup(name)
+	if flag == nil {
+		return fmt.Errorf("flag %q does not exist", name)
+	}
+	flag.Deprecated = usageMessage
+	return nil
+}
+
 // Lookup returns the Flag structure of the named command-line flag,
 // returning nil if none exists.
 func Lookup(name string) *Flag {
@ -261,10 +283,13 @@ func (f *FlagSet) Set(name, value string) error {
 		return err
 	}
 	if f.actual == nil {
-		f.actual = make(map[normalizedName]*Flag)
+		f.actual = make(map[NormalizedName]*Flag)
 	}
 	f.actual[normalName] = flag
-	f.lookup(normalName).Changed = true
+	flag.Changed = true
+	if len(flag.Deprecated) > 0 {
+		fmt.Fprintf(os.Stderr, "Flag --%s has been deprecated, %s\n", flag.Name, flag.Deprecated)
+	}
 	return nil
 }

@ -277,6 +302,9 @@ func Set(name, value string) error {
 // otherwise, the default values of all defined flags in the set.
 func (f *FlagSet) PrintDefaults() {
 	f.VisitAll(func(flag *Flag) {
+		if len(flag.Deprecated) > 0 {
+			return
+		}
 		format := "--%s=%s: %s\n"
 		if _, ok := flag.Value.(*stringValue); ok {
 			// put quotes on the value
@ -295,6 +323,9 @@ func (f *FlagSet) FlagUsages() string {
 	x := new(bytes.Buffer)

 	f.VisitAll(func(flag *Flag) {
+		if len(flag.Deprecated) > 0 {
+			return
+		}
 		format := "--%s=%s: %s\n"
 		if _, ok := flag.Value.(*stringValue); ok {
 			// put quotes on the value
@ -397,7 +428,7 @@ func (f *FlagSet) AddFlag(flag *Flag) {
 		panic(msg) // Happens only if flags are declared with identical names
 	}
 	if f.formal == nil {
-		f.formal = make(map[normalizedName]*Flag)
+		f.formal = make(map[NormalizedName]*Flag)
 	}
 	f.formal[f.normalizeFlagName(flag.Name)] = flag

@ -462,10 +493,13 @@ func (f *FlagSet) setFlag(flag *Flag, value string, origArg string) error {
 	}
 	// mark as visited for Visit()
 	if f.actual == nil {
-		f.actual = make(map[normalizedName]*Flag)
+		f.actual = make(map[NormalizedName]*Flag)
 	}
 	f.actual[f.normalizeFlagName(flag.Name)] = flag
 	flag.Changed = true
+	if len(flag.Deprecated) > 0 {
+		fmt.Fprintf(os.Stderr, "Flag --%s has been deprecated, %s\n", flag.Name, flag.Deprecated)
+	}
 	return nil
 }

@ -625,19 +659,6 @@ func SetInterspersed(interspersed bool) {
 	CommandLine.SetInterspersed(interspersed)
 }

-// SetWordSeparators sets a list of strings to be considerered as word
-// separators and normalized for the pruposes of lookups.  For example, if this
-// is set to {"-", "_", "."} then --foo_bar, --foo-bar, and --foo.bar are
-// considered equivalent flags.  This must be called before flags are parsed,
-// and may only be called once.
-func (f *FlagSet) SetWordSeparators(separators []string) {
-	f.wordSeparators = separators
-	for k, v := range f.formal {
-		delete(f.formal, k)
-		f.formal[f.normalizeFlagName(string(k))] = v
-	}
-}
-
 // Parsed returns true if the command-line flags have been parsed.
 func Parsed() bool {
 	return CommandLine.Parsed()
--- a/Godeps/_workspace/src/github.com/spf13/pflag/flag_test.go
+++ b/Godeps/_workspace/src/github.com/spf13/pflag/flag_test.go
@ -7,6 +7,7 @@ package pflag_test
 import (
 	"bytes"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"os"
 	"sort"
@ -238,14 +239,29 @@ func TestFlagSetParse(t *testing.T) {
 	testParse(NewFlagSet("test", ContinueOnError), t)
 }

-func testNormalizedNames(args []string, t *testing.T) {
+func replaceSeparators(name string, from []string, to string) string {
+	result := name
+	for _, sep := range from {
+		result = strings.Replace(result, sep, to, -1)
+	}
+	// Type convert to indicate normalization has been done.
+	return result
+}
+
+func wordSepNormalizeFunc(f *FlagSet, name string) NormalizedName {
+	seps := []string{"-", "_"}
+	name = replaceSeparators(name, seps, ".")
+	return NormalizedName(name)
+}
+
+func testWordSepNormalizedNames(args []string, t *testing.T) {
 	f := NewFlagSet("normalized", ContinueOnError)
 	if f.Parsed() {
 		t.Error("f.Parse() = true before Parse")
 	}
 	withDashFlag := f.Bool("with-dash-flag", false, "bool value")
 	// Set this after some flags have been added and before others.
-	f.SetWordSeparators([]string{"-", "_"})
+	f.SetNormalizeFunc(wordSepNormalizeFunc)
 	withUnderFlag := f.Bool("with_under_flag", false, "bool value")
 	withBothFlag := f.Bool("with-both_flag", false, "bool value")
 	if err := f.Parse(args); err != nil {
@ -265,27 +281,66 @@ func testNormalizedNames(args []string, t *testing.T) {
 	}
 }

-func TestNormalizedNames(t *testing.T) {
+func TestWordSepNormalizedNames(t *testing.T) {
 	args := []string{
 		"--with-dash-flag",
 		"--with-under-flag",
 		"--with-both-flag",
 	}
-	testNormalizedNames(args, t)
+	testWordSepNormalizedNames(args, t)

 	args = []string{
 		"--with_dash_flag",
 		"--with_under_flag",
 		"--with_both_flag",
 	}
-	testNormalizedNames(args, t)
+	testWordSepNormalizedNames(args, t)

 	args = []string{
 		"--with-dash_flag",
 		"--with-under_flag",
 		"--with-both_flag",
 	}
-	testNormalizedNames(args, t)
+	testWordSepNormalizedNames(args, t)
+}
+
+func aliasAndWordSepFlagNames(f *FlagSet, name string) NormalizedName {
+	seps := []string{"-", "_"}
+
+	oldName := replaceSeparators("old-valid_flag", seps, ".")
+	newName := replaceSeparators("valid-flag", seps, ".")
+
+	name = replaceSeparators(name, seps, ".")
+	switch name {
+	case oldName:
+		name = newName
+		break
+	}
+
+	return NormalizedName(name)
+}
+
+func TestCustomNormalizedNames(t *testing.T) {
+	f := NewFlagSet("normalized", ContinueOnError)
+	if f.Parsed() {
+		t.Error("f.Parse() = true before Parse")
+	}
+
+	validFlag := f.Bool("valid-flag", false, "bool value")
+	f.SetNormalizeFunc(aliasAndWordSepFlagNames)
+	someOtherFlag := f.Bool("some-other-flag", false, "bool value")
+
+	args := []string{"--old_valid_flag", "--some-other_flag"}
+	if err := f.Parse(args); err != nil {
+		t.Fatal(err)
+	}
+
+	if *validFlag != true {
+		t.Errorf("validFlag is %v even though we set the alias --old_valid_falg", *validFlag)
+	}
+	if *someOtherFlag != true {
+		t.Error("someOtherFlag should be true, is ", *someOtherFlag)
+	}
 }

 // Declare a user-defined flag type.
@ -445,3 +500,74 @@ func TestTermination(t *testing.T) {
 		t.Errorf("expected argument %q got %q", arg2, f.Args()[1])
 	}
 }
+
+func TestDeprecatedFlagInDocs(t *testing.T) {
+	f := NewFlagSet("bob", ContinueOnError)
+	f.Bool("badflag", true, "always true")
+	f.MarkDeprecated("badflag", "use --good-flag instead")
+
+	out := new(bytes.Buffer)
+	f.SetOutput(out)
+	f.PrintDefaults()
+
+	if strings.Contains(out.String(), "badflag") {
+		t.Errorf("found deprecated flag in usage!")
+	}
+}
+
+func parseReturnStderr(t *testing.T, f *FlagSet, args []string) (string, error) {
+	oldStderr := os.Stderr
+	r, w, _ := os.Pipe()
+	os.Stderr = w
+
+	err := f.Parse(args)
+
+	outC := make(chan string)
+	// copy the output in a separate goroutine so printing can't block indefinitely
+	go func() {
+		var buf bytes.Buffer
+		io.Copy(&buf, r)
+		outC <- buf.String()
+	}()
+
+	w.Close()
+	os.Stderr = oldStderr
+	out := <-outC
+
+	return out, err
+}
+
+func TestDeprecatedFlagUsage(t *testing.T) {
+	f := NewFlagSet("bob", ContinueOnError)
+	f.Bool("badflag", true, "always true")
+	usageMsg := "use --good-flag instead"
+	f.MarkDeprecated("badflag", usageMsg)
+
+	args := []string{"--badflag"}
+	out, err := parseReturnStderr(t, f, args)
+	if err != nil {
+		t.Fatal("expected no error; got ", err)
+	}
+
+	if !strings.Contains(out, usageMsg) {
+		t.Errorf("usageMsg not printed when using a deprecated flag!")
+	}
+}
+
+func TestDeprecatedFlagUsageNormalized(t *testing.T) {
+	f := NewFlagSet("bob", ContinueOnError)
+	f.Bool("bad-double_flag", true, "always true")
+	f.SetNormalizeFunc(wordSepNormalizeFunc)
+	usageMsg := "use --good-flag instead"
+	f.MarkDeprecated("bad_double-flag", usageMsg)
+
+	args := []string{"--bad_double_flag"}
+	out, err := parseReturnStderr(t, f, args)
+	if err != nil {
+		t.Fatal("expected no error; got ", err)
+	}
+
+	if !strings.Contains(out, usageMsg) {
+		t.Errorf("usageMsg not printed when using a deprecated flag!")
+	}
+}
--- a/cmd/hyperkube/hyperkube.go
+++ b/cmd/hyperkube/hyperkube.go
@ -70,7 +70,7 @@ func (hk *HyperKube) Flags() *pflag.FlagSet {
 	if hk.baseFlags == nil {
 		hk.baseFlags = pflag.NewFlagSet(hk.Name, pflag.ContinueOnError)
 		hk.baseFlags.SetOutput(ioutil.Discard)
-		hk.baseFlags.SetWordSeparators([]string{"-", "_"})
+		hk.baseFlags.SetNormalizeFunc(util.WordSepNormalizeFunc)
 		hk.baseFlags.BoolVarP(&hk.helpFlagVal, "help", "h", false, "help for "+hk.Name)

 		// These will add all of the "global" flags (defined with both the
--- a/cmd/hyperkube/server.go
+++ b/cmd/hyperkube/server.go
@ -68,7 +68,7 @@ func (s *Server) Flags() *pflag.FlagSet {
 	if s.flags == nil {
 		s.flags = pflag.NewFlagSet(s.Name(), pflag.ContinueOnError)
 		s.flags.SetOutput(ioutil.Discard)
-		s.flags.SetWordSeparators([]string{"-", "_"})
+		s.flags.SetNormalizeFunc(util.WordSepNormalizeFunc)
 	}
 	return s.flags
 }
--- a/cmd/kube-version-change/version.go
+++ b/cmd/kube-version-change/version.go
@ -31,6 +31,7 @@ import (
 	_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta1"
 	_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta2"
 	_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta3"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"

 	"github.com/ghodss/yaml"
 	flag "github.com/spf13/pflag"
@ -55,7 +56,7 @@ func isYAML(data []byte) bool {

 func main() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
-	flag.CommandLine.SetWordSeparators([]string{"-", "_"})
+	flag.CommandLine.SetNormalizeFunc(util.WordSepNormalizeFunc)
 	flag.Parse()

 	if *rewrite != "" {
--- a/docs/kubectl_api-versions.md
+++ b/docs/kubectl_api-versions.md
@ -17,7 +17,7 @@ kubectl api-versions
  -h, --help=false: help for api-versions
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -50,4 +50,4 @@ kubectl api-versions
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.179420324 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.036328233 +0000 UTC
--- a/docs/kubectl_cluster-info.md
+++ b/docs/kubectl_cluster-info.md
@ -17,7 +17,7 @@ kubectl cluster-info
  -h, --help=false: help for cluster-info
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -50,4 +50,4 @@ kubectl cluster-info
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.179075262 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.036176301 +0000 UTC
--- a/docs/kubectl_config.md
+++ b/docs/kubectl_config.md
@ -24,7 +24,7 @@ kubectl config SUBCOMMAND
      --kubeconfig="": use a particular kubeconfig file
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -63,4 +63,4 @@ kubectl config SUBCOMMAND
 * [kubectl config use-context](kubectl_config_use-context.md)	 - Sets the current-context in a kubeconfig file
 * [kubectl config view](kubectl_config_view.md)	 - displays Merged kubeconfig settings or a specified kubeconfig file.

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.178743093 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.036002047 +0000 UTC
--- a/docs/kubectl_config_set-cluster.md
+++ b/docs/kubectl_config_set-cluster.md
@ -36,7 +36,7 @@ $ kubectl config set-cluster e2e --insecure-skip-tls-verify=true
      --server=: server for the cluster entry in kubeconfig
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -65,4 +65,4 @@ $ kubectl config set-cluster e2e --insecure-skip-tls-verify=true
 ### SEE ALSO
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.176632377 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.034991096 +0000 UTC
--- a/docs/kubectl_config_set-context.md
+++ b/docs/kubectl_config_set-context.md
@ -28,7 +28,7 @@ $ kubectl config set-context gce --user=cluster-admin
      --user=: user for the context entry in kubeconfig
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -58,4 +58,4 @@ $ kubectl config set-context gce --user=cluster-admin
 ### SEE ALSO
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.177351504 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.035371239 +0000 UTC
--- a/docs/kubectl_config_set-credentials.md
+++ b/docs/kubectl_config_set-credentials.md
@ -51,7 +51,7 @@ $ kubectl set-credentials cluster-admin --client-certificate=~/.kube/admin.crt -
      --username=: username for the user entry in kubeconfig
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -78,4 +78,4 @@ $ kubectl set-credentials cluster-admin --client-certificate=~/.kube/admin.crt -
 ### SEE ALSO
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.176997115 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.035167812 +0000 UTC
--- a/docs/kubectl_config_set.md
+++ b/docs/kubectl_config_set.md
@ -19,7 +19,7 @@ kubectl config set PROPERTY_NAME PROPERTY_VALUE
  -h, --help=false: help for set
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -52,4 +52,4 @@ kubectl config set PROPERTY_NAME PROPERTY_VALUE
 ### SEE ALSO
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.177697607 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.035532103 +0000 UTC
--- a/docs/kubectl_config_unset.md
+++ b/docs/kubectl_config_unset.md
@ -18,7 +18,7 @@ kubectl config unset PROPERTY_NAME
  -h, --help=false: help for unset
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -51,4 +51,4 @@ kubectl config unset PROPERTY_NAME
 ### SEE ALSO
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.178014311 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.035684858 +0000 UTC
--- a/docs/kubectl_config_use-context.md
+++ b/docs/kubectl_config_use-context.md
@ -17,7 +17,7 @@ kubectl config use-context CONTEXT_NAME
  -h, --help=false: help for use-context
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -50,4 +50,4 @@ kubectl config use-context CONTEXT_NAME
 ### SEE ALSO
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.178387488 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.035835782 +0000 UTC
--- a/docs/kubectl_config_view.md
+++ b/docs/kubectl_config_view.md
@ -40,7 +40,7 @@ $ kubectl config view -o template --template='{{range .users}}{{ if eq .name "e2
  -t, --template="": Template string or path to template file to use when -o=template or -o=templatefile.  The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -73,4 +73,4 @@ $ kubectl config view -o template --template='{{range .users}}{{ if eq .name "e2
 ### SEE ALSO
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.176300117 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.034809963 +0000 UTC
--- a/docs/kubectl_create.md
+++ b/docs/kubectl_create.md
@ -30,7 +30,7 @@ $ cat pod.json | kubectl create -f -
  -h, --help=false: help for create
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -63,4 +63,4 @@ $ cat pod.json | kubectl create -f -
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.169347287 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.030664101 +0000 UTC
--- a/docs/kubectl_delete.md
+++ b/docs/kubectl_delete.md
@ -49,7 +49,7 @@ $ kubectl delete pods --all
  -l, --selector="": Selector (label query) to filter on
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -82,4 +82,4 @@ $ kubectl delete pods --all
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.170113984 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.031169223 +0000 UTC
--- a/docs/kubectl_describe.md
+++ b/docs/kubectl_describe.md
@ -30,7 +30,7 @@ $ kubectl describe pods/nginx
  -h, --help=false: help for describe
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -63,4 +63,4 @@ $ kubectl describe pods/nginx
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.168905946 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.030447061 +0000 UTC
--- a/docs/kubectl_exec.md
+++ b/docs/kubectl_exec.md
@ -31,7 +31,7 @@ $ kubectl exec -p 123456-7890 -c ruby-container -i -t -- bash -il
  -t, --tty=false: Stdin is a TTY
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -64,4 +64,4 @@ $ kubectl exec -p 123456-7890 -c ruby-container -i -t -- bash -il
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.173193785 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.032352238 +0000 UTC
--- a/docs/kubectl_expose.md
+++ b/docs/kubectl_expose.md
@ -49,7 +49,7 @@ $ kubectl expose streamer --port=4100 --protocol=udp --service-name=video-stream
  -t, --template="": Template string or path to template file to use when -o=template or -o=templatefile.  The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -82,4 +82,4 @@ $ kubectl expose streamer --port=4100 --protocol=udp --service-name=video-stream
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.175492324 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.03436108 +0000 UTC
--- a/docs/kubectl_get.md
+++ b/docs/kubectl_get.md
@ -52,7 +52,7 @@ $ kubectl get rc/web service/frontend pods/web-pod-13je7
      --watch-only=false: Watch for changes to the requested object(s), without listing/getting first.
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -85,4 +85,4 @@ $ kubectl get rc/web service/frontend pods/web-pod-13je7
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.168465048 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.030165061 +0000 UTC
--- a/docs/kubectl_label.md
+++ b/docs/kubectl_label.md
@ -48,7 +48,7 @@ $ kubectl label pods foo bar-
  -t, --template="": Template string or path to template file to use when -o=template or -o=templatefile.  The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -81,4 +81,4 @@ $ kubectl label pods foo bar-
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.175924183 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.03459192 +0000 UTC
--- a/docs/kubectl_log.md
+++ b/docs/kubectl_log.md
@ -29,7 +29,7 @@ $ kubectl log -f 123456-7890 ruby-container
      --interactive=true: If true, prompt the user for input when required. Default true.
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -62,4 +62,4 @@ $ kubectl log -f 123456-7890 ruby-container
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.170843937 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.031591306 +0000 UTC
--- a/docs/kubectl_namespace.md
+++ b/docs/kubectl_namespace.md
@ -20,7 +20,7 @@ kubectl namespace [namespace]
  -h, --help=false: help for namespace
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -53,4 +53,4 @@ kubectl namespace [namespace]
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.170473143 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.031378018 +0000 UTC
--- a/docs/kubectl_port-forward.md
+++ b/docs/kubectl_port-forward.md
@ -35,7 +35,7 @@ $ kubectl port-forward -p mypod 0:5000
  -p, --pod="": Pod name
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -68,4 +68,4 @@ $ kubectl port-forward -p mypod 0:5000
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.173592919 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.032575511 +0000 UTC
--- a/docs/kubectl_proxy.md
+++ b/docs/kubectl_proxy.md
@ -32,7 +32,7 @@ $ kubectl proxy --api-prefix=k8s-api
  -P, --www-prefix="/static/": Prefix to serve static files under, if static file directory is specified.
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -65,4 +65,4 @@ $ kubectl proxy --api-prefix=k8s-api
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.173961813 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.032792489 +0000 UTC
--- a/docs/kubectl_resize.md
+++ b/docs/kubectl_resize.md
@ -35,7 +35,7 @@ $ kubectl resize --current-replicas=2 --replicas=3 replicationcontrollers foo
      --resource-version="": Precondition for resource version. Requires that the current resource version match this value in order to resize.
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -68,4 +68,4 @@ $ kubectl resize --current-replicas=2 --replicas=3 replicationcontrollers foo
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.171613369 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.032100141 +0000 UTC
--- a/docs/kubectl_rolling-update.md
+++ b/docs/kubectl_rolling-update.md
@ -50,7 +50,7 @@ $ kubectl rolling-update frontend --image=image:v2
      --update-period="1m0s": Time to wait between updating pods. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -83,4 +83,4 @@ $ kubectl rolling-update frontend --image=image:v2
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 21:28:37.951011185 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.031878187 +0000 UTC
--- a/docs/kubectl_run-container.md
+++ b/docs/kubectl_run-container.md
@ -45,7 +45,7 @@ $ kubectl run-container nginx --image=nginx --overrides='{ "apiVersion": "v1beta
  -t, --template="": Template string or path to template file to use when -o=template or -o=templatefile.  The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -78,4 +78,4 @@ $ kubectl run-container nginx --image=nginx --overrides='{ "apiVersion": "v1beta
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.174507457 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.0330734 +0000 UTC
--- a/docs/kubectl_stop.md
+++ b/docs/kubectl_stop.md
@ -39,7 +39,7 @@ $ kubectl stop -f path/to/resources
  -l, --selector="": Selector (label query) to filter on
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -72,4 +72,4 @@ $ kubectl stop -f path/to/resources
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.174999749 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.033329682 +0000 UTC
--- a/docs/kubectl_update.md
+++ b/docs/kubectl_update.md
@ -34,7 +34,7 @@ $ kubectl update pods my-pod --patch='{ "apiVersion": "v1beta1", "desiredState":
      --patch="": A JSON document to override the existing resource. The resource is downloaded, patched with the JSON, then updated.
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -67,4 +67,4 @@ $ kubectl update pods my-pod --patch='{ "apiVersion": "v1beta1", "desiredState":
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.16972972 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.030922954 +0000 UTC
--- a/docs/kubectl_version.md
+++ b/docs/kubectl_version.md
@ -18,7 +18,7 @@ kubectl version
  -h, --help=false: help for version
 ```

-### Options inherrited from parent commands
+### Options inherited from parent commands

 ```
      --alsologtostderr=false: log to standard error as well as files
@ -51,4 +51,4 @@ kubectl version
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager

-###### Auto generated by spf13/cobra at 2015-04-28 03:34:57.179736961 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-04-29 15:25:11.036492866 +0000 UTC
--- a/pkg/kubectl/cmd/util/factory.go
+++ b/pkg/kubectl/cmd/util/factory.go
@ -86,7 +86,7 @@ func NewFactory(optionalClientConfig clientcmd.ClientConfig) *Factory {
 	mapper := kubectl.ShortcutExpander{latest.RESTMapper}

 	flags := pflag.NewFlagSet("", pflag.ContinueOnError)
-	flags.SetWordSeparators([]string{"-", "_"})
+	flags.SetNormalizeFunc(util.WordSepNormalizeFunc)

 	clientConfig := optionalClientConfig
 	if optionalClientConfig == nil {
--- a/pkg/util/flags.go
+++ b/pkg/util/flags.go
@ -16,11 +16,23 @@ limitations under the License.

 package util

+import "strings"
+
 import "github.com/spf13/pflag"

+func WordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
+	from := []string{"-", "_"}
+	to := "."
+	for _, sep := range from {
+		name = strings.Replace(name, sep, to, -1)
+	}
+	// Type convert to indicate normalization has been done.
+	return pflag.NormalizedName(name)
+}
+
 // InitFlags normalizes and parses the command line flags
 func InitFlags() {
-	pflag.CommandLine.SetWordSeparators([]string{"-", "_"})
+	pflag.CommandLine.SetNormalizeFunc(WordSepNormalizeFunc)
 	AddAllFlagsToPFlags()
 	pflag.Parse()
 }