cmd/help.go

@@ -23,7 +23,19 @@ func HelpCmd(args CmdArgs) (int, error) {
 	if len(argv) == 0 {
 		printHelp(commandRegistry)
 	} else if len(argv) >= 1 {
-		printCmdHelp(argv[0])
+		subCmd, ok := commandRegistry[argv[0]]
+		if !ok {
+			fmt.Printf("unknown commnnd: %s\n", argv[0])
+			return ExitError, nil
+		}
+
+		if subCmd.Use != "" {
+			fmt.Printf("usage:\n  lume %s %s\n", subCmd.Name, subCmd.Use)
+			fmt.Println()
+		}
+
+		fmt.Print("flags:\n")
+		subCmd.Flags.PrintDefaults()
 	}
 
 	return ExitSuccess, nil
@@ -46,20 +58,3 @@ func printHelp(commands map[string]Command) {
 		fmt.Printf("  %-*s    %s\n", maxLen, c.Name, c.Short)
 	}
 }
-
-func printCmdHelp(name string) error {
-	subCmd, ok := commandRegistry[name]
-	if !ok {
-		return fmt.Errorf("unknown commnnd: %s\n", name)
-	}
-
-	if subCmd.Use != "" {
-		fmt.Printf("usage:\n  lume %s %s\n", subCmd.Name, subCmd.Use)
-		fmt.Println()
-	}
-
-	fmt.Print("flags:\n")
-	subCmd.Flags.PrintDefaults()
-
-	return nil
-}