fixed --help flag output

src/cfg.rs

@@ -15,7 +15,7 @@ use {
 
 #[derive(Parser)]
 #[command(author, version, about)]
-struct Config {
+pub struct Config {
     #[arg(short, long)]
     email: String,
 
@@ -32,6 +32,12 @@ struct Config {
     delay: Duration,
 }
 
+impl Default for Config {
+    fn default() -> Self {
+        Self::parse()
+    }
+}
+
 pub struct BaseClient {
     client: Client,
     body: Body,
@@ -46,15 +52,15 @@ impl BaseClient {
         PublicIpAPI::Ifconfig,
     ];
 
-    pub fn setup() -> Result<Self> {
-        let Config {
+    pub fn setup(
+        Config {
             email,
             api_token,
             zone_id,
             id,
             delay,
-        } = Config::parse();
-
+        }: Config,
+    ) -> Result<Self> {
         let client = Client::default();
         let builder_fn = Box::new(move |method: Method, client: &Client| -> RequestBuilder {
             client

src/main.rs

@@ -6,7 +6,8 @@ mod util;
 use {cfg::*, err::*, util::*};
 
 fn main() -> Result<()> {
-    let mut client = dbg("Initializing client", || BaseClient::setup())?;
+    let cfg = Config::default();
+    let mut client = dbg("Initializing client", || BaseClient::setup(cfg))?;
 
     loop {
         match dbg("Doing routine", || routine(&mut client)) {