define trueString constant

command.go

@@ -30,7 +30,10 @@ import (
 	flag "github.com/spf13/pflag"
 )
 
-const FlagSetByCobraAnnotation = "cobra_annotation_flag_set_by_cobra"
+const (
+	FlagSetByCobraAnnotation = "cobra_annotation_flag_set_by_cobra"
+	trueString               = "true"
+)
 
 // FParseErrWhitelist configures Flag parse errors to be ignored
 type FParseErrWhitelist flag.ParseErrorsWhitelist
@@ -1109,7 +1112,7 @@ func (c *Command) ValidateRequiredFlags() error {
 		if !found {
 			return
 		}
-		if (requiredAnnotation[0] == "true") && !pflag.Changed {
+		if (requiredAnnotation[0] == trueString) && !pflag.Changed {
 			missingFlagNames = append(missingFlagNames, pflag.Name)
 		}
 	})
@@ -1146,7 +1149,7 @@ func (c *Command) InitDefaultHelpFlag() {
 			usage += c.Name()
 		}
 		c.Flags().BoolP("help", "h", false, usage)
-		_ = c.Flags().SetAnnotation("help", FlagSetByCobraAnnotation, []string{"true"})
+		_ = c.Flags().SetAnnotation("help", FlagSetByCobraAnnotation, []string{trueString})
 	}
 }
 
@@ -1172,7 +1175,7 @@ func (c *Command) InitDefaultVersionFlag() {
 		} else {
 			c.Flags().Bool("version", false, usage)
 		}
-		_ = c.Flags().SetAnnotation("version", FlagSetByCobraAnnotation, []string{"true"})
+		_ = c.Flags().SetAnnotation("version", FlagSetByCobraAnnotation, []string{trueString})
 	}
 }
 
@@ -1212,7 +1215,7 @@ Simply type ` + c.Name() + ` help [path to command] for full details.`,
 			PersistentPreRunE: func(cmd *Command, args []string) error {
 				cmd.Flags().VisitAll(func(pflag *flag.Flag) {
 					requiredAnnotation, found := pflag.Annotations[BashCompOneRequiredFlag]
-					if found && requiredAnnotation[0] == "true" {
+					if found && requiredAnnotation[0] == trueString {
 						// Disable any persistent required flags for the help command
 						pflag.Annotations[BashCompOneRequiredFlag] = []string{"false"}
 					}