refactor(param): split getting cli args and parsing args

Author: marjune163

src/main.go

@@ -35,7 +35,7 @@ func reopenLogOnHup(appInst *app.App) {
 }
 
 func main() {
-	params, printVersion, printHelp, errs := param.ParseCli()
+	params, printVersion, printHelp, errs := param.ParseFromCli()
 	serverError.CheckFatal(errs...)
 	if printVersion {
 		version.PrintVersion()

src/param/cli.go

@@ -195,9 +195,7 @@ func init() {
 	serverError.CheckFatal(err)
 }
 
-func ParseCli() (params []*Param, printVersion, printHelp bool, errs []error) {
-	args := os.Args
-
+func ParseFromArgs(args []string) (params []*Param, printVersion, printHelp bool, errs []error) {
 	// parse option
 	results := cliCmd.ParseGroups(args, nil)
 
@@ -414,6 +412,10 @@ func ParseCli() (params []*Param, printVersion, printHelp bool, errs []error) {
 	return
 }
 
+func ParseFromCli() (params []*Param, printVersion, printHelp bool, errs []error) {
+	return ParseFromArgs(os.Args)
+}
+
 func PrintHelp() {
 	cliCmd.OutputHelp(os.Stdout)
 }