first version, unittest not fin

pkg/option/option.go

@@ -0,0 +1,21 @@
+package option
+
+import "flag"
+
+// Option -
+type Option struct {
+	Config string
+}
+
+var opts *Option
+
+// Parse flags
+func Parse() {
+	opts = &Option{}
+	flag.StringVar(&opts.Config, "config", "", "config file path, default: `pwd`/config.yml")
+	flag.StringVar(&opts.Config, "f", "", "config file path, default: `pwd`/config.yml")
+	flag.Parse()
+}
+
+// Get parsed options
+func Get() *Option { return opts }