commands/cli: Fixed Parse required argument check

commands/cli/parse.go

@@ -249,11 +249,13 @@ func parseArgs(inputs []string, stdin *os.File, argDefs []cmds.Argument, recursi
 	}
 
 	// check to make sure we didn't miss any required arguments
+	if len(argDefs) > argDefIndex {
 		for _, argDef := range argDefs[argDefIndex:] {
 			if argDef.Required {
 				return nil, nil, fmt.Errorf("Argument '%s' is required", argDef.Name)
 			}
 		}
+	}
 
 	return stringArgs, fileArgs, nil
 }