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-rw-r--r--vendor/gopkg.in/urfave/cli.v1/flag.go882
1 files changed, 882 insertions, 0 deletions
diff --git a/vendor/gopkg.in/urfave/cli.v1/flag.go b/vendor/gopkg.in/urfave/cli.v1/flag.go
new file mode 100644
index 000000000..f8a28d119
--- /dev/null
+++ b/vendor/gopkg.in/urfave/cli.v1/flag.go
@@ -0,0 +1,882 @@
+package cli
+
+import (
+ "flag"
+ "fmt"
+ "os"
+ "reflect"
+ "runtime"
+ "strconv"
+ "strings"
+ "time"
+)
+
+const defaultPlaceholder = "value"
+
+// BashCompletionFlag enables bash-completion for all commands and subcommands
+var BashCompletionFlag = BoolFlag{
+ Name: "generate-bash-completion",
+ Hidden: true,
+}
+
+// VersionFlag prints the version for the application
+var VersionFlag = BoolFlag{
+ Name: "version, v",
+ Usage: "print the version",
+}
+
+// HelpFlag prints the help for all commands and subcommands
+// Set to the zero value (BoolFlag{}) to disable flag -- keeps subcommand
+// unless HideHelp is set to true)
+var HelpFlag = BoolFlag{
+ Name: "help, h",
+ Usage: "show help",
+}
+
+// FlagStringer converts a flag definition to a string. This is used by help
+// to display a flag.
+var FlagStringer FlagStringFunc = stringifyFlag
+
+// Flag is a common interface related to parsing flags in cli.
+// For more advanced flag parsing techniques, it is recommended that
+// this interface be implemented.
+type Flag interface {
+ fmt.Stringer
+ // Apply Flag settings to the given flag set
+ Apply(*flag.FlagSet)
+ GetName() string
+}
+
+func flagSet(name string, flags []Flag) *flag.FlagSet {
+ set := flag.NewFlagSet(name, flag.ContinueOnError)
+
+ for _, f := range flags {
+ f.Apply(set)
+ }
+ return set
+}
+
+func eachName(longName string, fn func(string)) {
+ parts := strings.Split(longName, ",")
+ for _, name := range parts {
+ name = strings.Trim(name, " ")
+ fn(name)
+ }
+}
+
+// Generic is a generic parseable type identified by a specific flag
+type Generic interface {
+ Set(value string) error
+ String() string
+}
+
+// GenericFlag is the flag type for types implementing Generic
+type GenericFlag struct {
+ Name string
+ Value Generic
+ Usage string
+ EnvVar string
+ Hidden bool
+}
+
+// String returns the string representation of the generic flag to display the
+// help text to the user (uses the String() method of the generic flag to show
+// the value)
+func (f GenericFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply takes the flagset and calls Set on the generic flag with the value
+// provided by the user for parsing by the flag
+func (f GenericFlag) Apply(set *flag.FlagSet) {
+ val := f.Value
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ val.Set(envVal)
+ break
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ set.Var(f.Value, name, f.Usage)
+ })
+}
+
+// GetName returns the name of a flag.
+func (f GenericFlag) GetName() string {
+ return f.Name
+}
+
+// StringSlice is an opaque type for []string to satisfy flag.Value
+type StringSlice []string
+
+// Set appends the string value to the list of values
+func (f *StringSlice) Set(value string) error {
+ *f = append(*f, value)
+ return nil
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (f *StringSlice) String() string {
+ return fmt.Sprintf("%s", *f)
+}
+
+// Value returns the slice of strings set by this flag
+func (f *StringSlice) Value() []string {
+ return *f
+}
+
+// StringSliceFlag is a string flag that can be specified multiple times on the
+// command-line
+type StringSliceFlag struct {
+ Name string
+ Value *StringSlice
+ Usage string
+ EnvVar string
+ Hidden bool
+}
+
+// String returns the usage
+func (f StringSliceFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f StringSliceFlag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ newVal := &StringSlice{}
+ for _, s := range strings.Split(envVal, ",") {
+ s = strings.TrimSpace(s)
+ newVal.Set(s)
+ }
+ f.Value = newVal
+ break
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Value == nil {
+ f.Value = &StringSlice{}
+ }
+ set.Var(f.Value, name, f.Usage)
+ })
+}
+
+// GetName returns the name of a flag.
+func (f StringSliceFlag) GetName() string {
+ return f.Name
+}
+
+// IntSlice is an opaque type for []int to satisfy flag.Value
+type IntSlice []int
+
+// Set parses the value into an integer and appends it to the list of values
+func (f *IntSlice) Set(value string) error {
+ tmp, err := strconv.Atoi(value)
+ if err != nil {
+ return err
+ }
+ *f = append(*f, tmp)
+ return nil
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (f *IntSlice) String() string {
+ return fmt.Sprintf("%#v", *f)
+}
+
+// Value returns the slice of ints set by this flag
+func (f *IntSlice) Value() []int {
+ return *f
+}
+
+// IntSliceFlag is an int flag that can be specified multiple times on the
+// command-line
+type IntSliceFlag struct {
+ Name string
+ Value *IntSlice
+ Usage string
+ EnvVar string
+ Hidden bool
+}
+
+// String returns the usage
+func (f IntSliceFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f IntSliceFlag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ newVal := &IntSlice{}
+ for _, s := range strings.Split(envVal, ",") {
+ s = strings.TrimSpace(s)
+ err := newVal.Set(s)
+ if err != nil {
+ fmt.Fprintf(ErrWriter, err.Error())
+ }
+ }
+ f.Value = newVal
+ break
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Value == nil {
+ f.Value = &IntSlice{}
+ }
+ set.Var(f.Value, name, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f IntSliceFlag) GetName() string {
+ return f.Name
+}
+
+// Int64Slice is an opaque type for []int to satisfy flag.Value
+type Int64Slice []int64
+
+// Set parses the value into an integer and appends it to the list of values
+func (f *Int64Slice) Set(value string) error {
+ tmp, err := strconv.ParseInt(value, 10, 64)
+ if err != nil {
+ return err
+ }
+ *f = append(*f, tmp)
+ return nil
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (f *Int64Slice) String() string {
+ return fmt.Sprintf("%#v", *f)
+}
+
+// Value returns the slice of ints set by this flag
+func (f *Int64Slice) Value() []int64 {
+ return *f
+}
+
+// Int64SliceFlag is an int flag that can be specified multiple times on the
+// command-line
+type Int64SliceFlag struct {
+ Name string
+ Value *Int64Slice
+ Usage string
+ EnvVar string
+ Hidden bool
+}
+
+// String returns the usage
+func (f Int64SliceFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f Int64SliceFlag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ newVal := &Int64Slice{}
+ for _, s := range strings.Split(envVal, ",") {
+ s = strings.TrimSpace(s)
+ err := newVal.Set(s)
+ if err != nil {
+ fmt.Fprintf(ErrWriter, err.Error())
+ }
+ }
+ f.Value = newVal
+ break
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Value == nil {
+ f.Value = &Int64Slice{}
+ }
+ set.Var(f.Value, name, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f Int64SliceFlag) GetName() string {
+ return f.Name
+}
+
+// BoolFlag is a switch that defaults to false
+type BoolFlag struct {
+ Name string
+ Usage string
+ EnvVar string
+ Destination *bool
+ Hidden bool
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (f BoolFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f BoolFlag) Apply(set *flag.FlagSet) {
+ val := false
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValBool, err := strconv.ParseBool(envVal)
+ if err == nil {
+ val = envValBool
+ }
+ break
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.BoolVar(f.Destination, name, val, f.Usage)
+ return
+ }
+ set.Bool(name, val, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f BoolFlag) GetName() string {
+ return f.Name
+}
+
+// BoolTFlag this represents a boolean flag that is true by default, but can
+// still be set to false by --some-flag=false
+type BoolTFlag struct {
+ Name string
+ Usage string
+ EnvVar string
+ Destination *bool
+ Hidden bool
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (f BoolTFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f BoolTFlag) Apply(set *flag.FlagSet) {
+ val := true
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValBool, err := strconv.ParseBool(envVal)
+ if err == nil {
+ val = envValBool
+ break
+ }
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.BoolVar(f.Destination, name, val, f.Usage)
+ return
+ }
+ set.Bool(name, val, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f BoolTFlag) GetName() string {
+ return f.Name
+}
+
+// StringFlag represents a flag that takes as string value
+type StringFlag struct {
+ Name string
+ Value string
+ Usage string
+ EnvVar string
+ Destination *string
+ Hidden bool
+}
+
+// String returns the usage
+func (f StringFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f StringFlag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ f.Value = envVal
+ break
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.StringVar(f.Destination, name, f.Value, f.Usage)
+ return
+ }
+ set.String(name, f.Value, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f StringFlag) GetName() string {
+ return f.Name
+}
+
+// IntFlag is a flag that takes an integer
+type IntFlag struct {
+ Name string
+ Value int
+ Usage string
+ EnvVar string
+ Destination *int
+ Hidden bool
+}
+
+// String returns the usage
+func (f IntFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f IntFlag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValInt, err := strconv.ParseInt(envVal, 0, 64)
+ if err == nil {
+ f.Value = int(envValInt)
+ break
+ }
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.IntVar(f.Destination, name, f.Value, f.Usage)
+ return
+ }
+ set.Int(name, f.Value, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f IntFlag) GetName() string {
+ return f.Name
+}
+
+// Int64Flag is a flag that takes a 64-bit integer
+type Int64Flag struct {
+ Name string
+ Value int64
+ Usage string
+ EnvVar string
+ Destination *int64
+ Hidden bool
+}
+
+// String returns the usage
+func (f Int64Flag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f Int64Flag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValInt, err := strconv.ParseInt(envVal, 0, 64)
+ if err == nil {
+ f.Value = envValInt
+ break
+ }
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.Int64Var(f.Destination, name, f.Value, f.Usage)
+ return
+ }
+ set.Int64(name, f.Value, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f Int64Flag) GetName() string {
+ return f.Name
+}
+
+// UintFlag is a flag that takes an unsigned integer
+type UintFlag struct {
+ Name string
+ Value uint
+ Usage string
+ EnvVar string
+ Destination *uint
+ Hidden bool
+}
+
+// String returns the usage
+func (f UintFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f UintFlag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValInt, err := strconv.ParseUint(envVal, 0, 64)
+ if err == nil {
+ f.Value = uint(envValInt)
+ break
+ }
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.UintVar(f.Destination, name, f.Value, f.Usage)
+ return
+ }
+ set.Uint(name, f.Value, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f UintFlag) GetName() string {
+ return f.Name
+}
+
+// Uint64Flag is a flag that takes an unsigned 64-bit integer
+type Uint64Flag struct {
+ Name string
+ Value uint64
+ Usage string
+ EnvVar string
+ Destination *uint64
+ Hidden bool
+}
+
+// String returns the usage
+func (f Uint64Flag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f Uint64Flag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValInt, err := strconv.ParseUint(envVal, 0, 64)
+ if err == nil {
+ f.Value = uint64(envValInt)
+ break
+ }
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.Uint64Var(f.Destination, name, f.Value, f.Usage)
+ return
+ }
+ set.Uint64(name, f.Value, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f Uint64Flag) GetName() string {
+ return f.Name
+}
+
+// DurationFlag is a flag that takes a duration specified in Go's duration
+// format: https://golang.org/pkg/time/#ParseDuration
+type DurationFlag struct {
+ Name string
+ Value time.Duration
+ Usage string
+ EnvVar string
+ Destination *time.Duration
+ Hidden bool
+}
+
+// String returns a readable representation of this value (for usage defaults)
+func (f DurationFlag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f DurationFlag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValDuration, err := time.ParseDuration(envVal)
+ if err == nil {
+ f.Value = envValDuration
+ break
+ }
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.DurationVar(f.Destination, name, f.Value, f.Usage)
+ return
+ }
+ set.Duration(name, f.Value, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f DurationFlag) GetName() string {
+ return f.Name
+}
+
+// Float64Flag is a flag that takes an float value
+type Float64Flag struct {
+ Name string
+ Value float64
+ Usage string
+ EnvVar string
+ Destination *float64
+ Hidden bool
+}
+
+// String returns the usage
+func (f Float64Flag) String() string {
+ return FlagStringer(f)
+}
+
+// Apply populates the flag given the flag set and environment
+func (f Float64Flag) Apply(set *flag.FlagSet) {
+ if f.EnvVar != "" {
+ for _, envVar := range strings.Split(f.EnvVar, ",") {
+ envVar = strings.TrimSpace(envVar)
+ if envVal := os.Getenv(envVar); envVal != "" {
+ envValFloat, err := strconv.ParseFloat(envVal, 10)
+ if err == nil {
+ f.Value = float64(envValFloat)
+ }
+ }
+ }
+ }
+
+ eachName(f.Name, func(name string) {
+ if f.Destination != nil {
+ set.Float64Var(f.Destination, name, f.Value, f.Usage)
+ return
+ }
+ set.Float64(name, f.Value, f.Usage)
+ })
+}
+
+// GetName returns the name of the flag.
+func (f Float64Flag) GetName() string {
+ return f.Name
+}
+
+func visibleFlags(fl []Flag) []Flag {
+ visible := []Flag{}
+ for _, flag := range fl {
+ if !flagValue(flag).FieldByName("Hidden").Bool() {
+ visible = append(visible, flag)
+ }
+ }
+ return visible
+}
+
+func prefixFor(name string) (prefix string) {
+ if len(name) == 1 {
+ prefix = "-"
+ } else {
+ prefix = "--"
+ }
+
+ return
+}
+
+// Returns the placeholder, if any, and the unquoted usage string.
+func unquoteUsage(usage string) (string, string) {
+ for i := 0; i < len(usage); i++ {
+ if usage[i] == '`' {
+ for j := i + 1; j < len(usage); j++ {
+ if usage[j] == '`' {
+ name := usage[i+1 : j]
+ usage = usage[:i] + name + usage[j+1:]
+ return name, usage
+ }
+ }
+ break
+ }
+ }
+ return "", usage
+}
+
+func prefixedNames(fullName, placeholder string) string {
+ var prefixed string
+ parts := strings.Split(fullName, ",")
+ for i, name := range parts {
+ name = strings.Trim(name, " ")
+ prefixed += prefixFor(name) + name
+ if placeholder != "" {
+ prefixed += " " + placeholder
+ }
+ if i < len(parts)-1 {
+ prefixed += ", "
+ }
+ }
+ return prefixed
+}
+
+func withEnvHint(envVar, str string) string {
+ envText := ""
+ if envVar != "" {
+ prefix := "$"
+ suffix := ""
+ sep := ", $"
+ if runtime.GOOS == "windows" {
+ prefix = "%"
+ suffix = "%"
+ sep = "%, %"
+ }
+ envText = fmt.Sprintf(" [%s%s%s]", prefix, strings.Join(strings.Split(envVar, ","), sep), suffix)
+ }
+ return str + envText
+}
+
+func flagValue(f Flag) reflect.Value {
+ fv := reflect.ValueOf(f)
+ for fv.Kind() == reflect.Ptr {
+ fv = reflect.Indirect(fv)
+ }
+ return fv
+}
+
+func stringifyFlag(f Flag) string {
+ fv := flagValue(f)
+
+ switch f.(type) {
+ case IntSliceFlag:
+ return withEnvHint(fv.FieldByName("EnvVar").String(),
+ stringifyIntSliceFlag(f.(IntSliceFlag)))
+ case Int64SliceFlag:
+ return withEnvHint(fv.FieldByName("EnvVar").String(),
+ stringifyInt64SliceFlag(f.(Int64SliceFlag)))
+ case StringSliceFlag:
+ return withEnvHint(fv.FieldByName("EnvVar").String(),
+ stringifyStringSliceFlag(f.(StringSliceFlag)))
+ }
+
+ placeholder, usage := unquoteUsage(fv.FieldByName("Usage").String())
+
+ needsPlaceholder := false
+ defaultValueString := ""
+ val := fv.FieldByName("Value")
+
+ if val.IsValid() {
+ needsPlaceholder = true
+ defaultValueString = fmt.Sprintf(" (default: %v)", val.Interface())
+
+ if val.Kind() == reflect.String && val.String() != "" {
+ defaultValueString = fmt.Sprintf(" (default: %q)", val.String())
+ }
+ }
+
+ if defaultValueString == " (default: )" {
+ defaultValueString = ""
+ }
+
+ if needsPlaceholder && placeholder == "" {
+ placeholder = defaultPlaceholder
+ }
+
+ usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultValueString))
+
+ return withEnvHint(fv.FieldByName("EnvVar").String(),
+ fmt.Sprintf("%s\t%s", prefixedNames(fv.FieldByName("Name").String(), placeholder), usageWithDefault))
+}
+
+func stringifyIntSliceFlag(f IntSliceFlag) string {
+ defaultVals := []string{}
+ if f.Value != nil && len(f.Value.Value()) > 0 {
+ for _, i := range f.Value.Value() {
+ defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
+ }
+ }
+
+ return stringifySliceFlag(f.Usage, f.Name, defaultVals)
+}
+
+func stringifyInt64SliceFlag(f Int64SliceFlag) string {
+ defaultVals := []string{}
+ if f.Value != nil && len(f.Value.Value()) > 0 {
+ for _, i := range f.Value.Value() {
+ defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
+ }
+ }
+
+ return stringifySliceFlag(f.Usage, f.Name, defaultVals)
+}
+
+func stringifyStringSliceFlag(f StringSliceFlag) string {
+ defaultVals := []string{}
+ if f.Value != nil && len(f.Value.Value()) > 0 {
+ for _, s := range f.Value.Value() {
+ if len(s) > 0 {
+ defaultVals = append(defaultVals, fmt.Sprintf("%q", s))
+ }
+ }
+ }
+
+ return stringifySliceFlag(f.Usage, f.Name, defaultVals)
+}
+
+func stringifySliceFlag(usage, name string, defaultVals []string) string {
+ placeholder, usage := unquoteUsage(usage)
+ if placeholder == "" {
+ placeholder = defaultPlaceholder
+ }
+
+ defaultVal := ""
+ if len(defaultVals) > 0 {
+ defaultVal = fmt.Sprintf(" (default: %s)", strings.Join(defaultVals, ", "))
+ }
+
+ usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
+ return fmt.Sprintf("%s\t%s", prefixedNames(name, placeholder), usageWithDefault)
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 04:46:16 +0800