feature: add -l flag to use localhost

README.md

@@ -21,6 +21,7 @@ zapconnect
 
 ```
 -i, --localip            Use local ip instead of public ip.
+-l, --localhost          Use 127.0.0.1 for ip.
 -j, --json               Display json instead of a QRCode.
     --lnddir=            The base directory that contains lnd's data, logs, configuration
                          file, etc.

config.go

@@ -31,6 +31,7 @@ var (
 // loading+parsing process.
 type config struct {
 	LocalIp        bool     `short:"i" long:"localip" description:"Include local ip in QRCode."`
+	Localhost      bool     `short:"l" long:"localhost" description:"Use 127.0.0.1 for ip."`
 	Json           bool     `short:"j" long:"json" description:"Generate json instead of a QRCode."`
 	LndDir         string   `long:"lnddir" description:"The base directory that contains lnd's data, logs, configuration file, etc."`
 	ConfigFile     string   `long:"C" long:"configfile" description:"Path to configuration file"`

zapconnect.go

@@ -82,6 +82,8 @@ func main() {
 	ipString := ""
 	if loadedConfig.LocalIp {
 		ipString = getLocalIP() + ":10009"
+	} else if loadedConfig.Localhost {
+		ipString = "127.0.0.1:10009"
 	} else {
 		ipString = getPublicIP() + ":10009"
 	}