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@ -4,9 +4,11 @@ import (
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"fmt"
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"io"
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"os"
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"regexp"
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"strings"
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"text/tabwriter"
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"text/template"
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"unicode/utf8"
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)
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// AppHelpTemplate is the text template for the Default help topic.
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@ -152,19 +154,80 @@ func ShowAppHelp(c *Context) (err error) {
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return nil
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}
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var shortFlagRegex = regexp.MustCompile(`^-`)
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// DefaultAppComplete prints the list of subcommands as the default app completion method
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func DefaultAppComplete(c *Context) {
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for _, command := range c.App.Commands {
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if command.Hidden {
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continue
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DefaultAppCompleteWithFlags(nil)(c)
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}
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func DefaultAppCompleteWithFlags(cmd *Command) func(c *Context) {
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return func(c *Context) {
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if len(os.Args) > 2 {
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lastArg := os.Args[len(os.Args)-2]
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if strings.HasPrefix(lastArg, "-") {
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lastArg = shortFlagRegex.ReplaceAllString(lastArg, "")
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lastArg = shortFlagRegex.ReplaceAllString(lastArg, "")
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for _, flag := range c.App.Flags {
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for _, name := range strings.Split(flag.GetName(), ",") {
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name = strings.Trim(name, " ")
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if strings.HasPrefix(name, lastArg) && lastArg != name {
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count := utf8.RuneCountInString(name)
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if count > 2 {
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count = 2
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}
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fmt.Fprintf(c.App.Writer, "%s%s\n", strings.Repeat("-", count), name)
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}
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}
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}
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if cmd != nil {
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for _, flag := range cmd.Flags {
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for _, name := range strings.Split(flag.GetName(), ",") {
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name = strings.Trim(name, " ")
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if strings.HasPrefix(name, lastArg) && lastArg != name {
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count := utf8.RuneCountInString(name)
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if count > 2 {
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count = 2
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}
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fmt.Fprintf(c.App.Writer, "%s%s\n", strings.Repeat("-", count), name)
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}
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}
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}
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}
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return
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}
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}
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if os.Getenv("_CLI_ZSH_AUTOCOMPLETE_HACK") == "1" {
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for _, name := range command.Names() {
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fmt.Fprintf(c.App.Writer, "%s:%s\n", name, command.Usage)
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if cmd != nil {
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for _, command := range cmd.Subcommands {
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if command.Hidden {
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continue
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}
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if os.Getenv("_CLI_ZSH_AUTOCOMPLETE_HACK") == "1" {
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for _, name := range command.Names() {
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fmt.Fprintf(c.App.Writer, "%s:%s\n", name, command.Usage)
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}
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} else {
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for _, name := range command.Names() {
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if name != "h" {
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fmt.Fprintf(c.App.Writer, "%s\n", name)
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}
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}
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}
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}
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} else {
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for _, name := range command.Names() {
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fmt.Fprintf(c.App.Writer, "%s\n", name)
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for _, command := range c.App.Commands {
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if command.Hidden {
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continue
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}
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if os.Getenv("_CLI_ZSH_AUTOCOMPLETE_HACK") == "1" {
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for _, name := range command.Names() {
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fmt.Fprintf(c.App.Writer, "%s:%s\n", name, command.Usage)
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}
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} else {
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for _, name := range command.Names() {
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fmt.Fprintf(c.App.Writer, "%s\n", name)
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}
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}
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}
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}
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}
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