Rename AppendFlag->MergeFlag

internal/logger/logger.go

@@ -17,7 +17,7 @@ var myLogger *logrus.Logger = nil
 var initialized = false
 
 func AppendFlags(flags []cli.Flag) []cli.Flag {
-	return util.AppendFlag(flags, &cli.StringFlag{
+	return util.MergeFlag(flags, &cli.StringFlag{
 		Name:    "router_loglevel",
 		Value:   "info",
 		Usage:   "Logrus log level default 'info', {panic,fatal,error,warn,info,debug,trace} available",

internal/util/flags.go

@@ -2,7 +2,7 @@ package util
 
 import "github.com/urfave/cli/v2"
 
-func AppendFlag(flags []cli.Flag, flag cli.Flag) []cli.Flag {
+func MergeFlag(flags []cli.Flag, flag cli.Flag) []cli.Flag {
 	has := false
 	for _, f := range flags {
 		if f.Names()[0] == flag.Names()[0] {