func printCommandPrefixHelp(ctx cli.Context, prefix ...string) {
handler := getHandler(ctx.Handlers(), prefix)
if handler == nil {
ExitF("Command not found")
}
w := new(tabwriter.Writer)
w.Init(os.Stdout, 0, 0, 3, ' ', 0)
fmt.Fprintf(w, "%s\n", handler.Description)
fmt.Fprintf(w, "%s %s\n", Name, handler.Pattern)
for _, group := range handler.FlagGroups {
fmt.Fprintf(w, "\n%s:\n", group.Name)
for _, flag := range group.Flags {
boolFlag, isBool := flag.(cli.BoolFlag)
if isBool && boolFlag.OmitValue {
fmt.Fprintf(w, " %s\t%s\n", strings.Join(flag.GetPatterns(), ", "), flag.GetDescription())
} else {
fmt.Fprintf(w, " %s <%s>\t%s\n", strings.Join(flag.GetPatterns(), ", "), flag.GetName(), flag.GetDescription())
}
}
}
w.Flush()
}
func printHelp(ctx cli.Context) {
w := new(tabwriter.Writer)
w.Init(os.Stdout, 0, 0, 3, ' ', 0)
fmt.Fprintf(w, "%s usage:\n\n", Name)
for _, h := range ctx.Handlers() {
fmt.Fprintf(w, "%s %s\t%s\n", Name, h.Pattern, h.Description)
}
w.Flush()
}
