💀 Fix bug that gowl -h and gowl -V are not working if .gowlconfig is not existed

Author: tadashi-aikawa

args.go

@@ -41,19 +41,23 @@ type Args struct {
 }
 
 // CreateArgs creates Args
-func CreateArgs(usage string, argv []string, version string) (Args, error) {
+func CreateArgs(usage string, argv []string, version string) (Args, bool, error) {
 	parser := &docopt.Parser{
 		HelpHandler:  docopt.PrintHelpOnly,
 		OptionsFirst: false,
 	}
 
 	opts, err := parser.ParseArgs(usage, argv, version)
 	if err != nil {
-		return Args{}, errors.Wrap(err, "Fail to parse arguments.")
+		return Args{}, false, errors.Wrap(err, "Fail to parse arguments.")
+	}
+
+	if len(opts) == 0 {
+		return Args{}, true, nil
 	}
 
 	var args Args
 	opts.Bind(&args)
 
-	return args, nil
+	return args, false, nil
 }

main.go

@@ -27,10 +27,13 @@ func getRoot(config Config) string {
 }
 
 func main() {
-	args, err := CreateArgs(usage, os.Args[1:], version)
+	args, appEnd, err := CreateArgs(usage, os.Args[1:], version)
 	if err != nil {
 		log.Fatal(errors.Wrap(err, "Fail to create arguments."))
 	}
+	if appEnd {
+		return
+	}
 
 	config, err := CreateConfig()
 	if err != nil {
@@ -62,5 +65,4 @@ func main() {
 			log.Fatal(errors.Wrap(err, "Fail to command `list`"))
 		}
 	}
-
 }