WIP

crates/wolz-client/src/main.rs

@@ -9,9 +9,17 @@ fn main() -> WResult<()> {
         return Ok(());
     };
 
-    let wolz = Wolz::create()?;
-    wolz.wake_up(&arg_1)?;
-    Ok(())
+    match arg_1.as_str() {
+        "-h" | "--help" => {
+            print_usage();
+            return Ok(());
+        }
+        _ => {
+            let wolz = Wolz::create()?;
+            wolz.wake_up(&arg_1)?;
+            Ok(())
+        }
+    }
 }
 
 fn print_usage() {
@@ -20,20 +28,19 @@ fn print_usage() {
         r#"usage: woly ARG
 
 Options:
-    ARG     Either the mac address of the device to send the wol magic
-            packet to, or a nickname specified in woly.conf to lookup
-            the mac.
-            Eg: woly aa:bb:cc:dd:ee:ff
-            Eg: woly potato
-                where potato is configured in the woly.conf file as
-                potato=aa:bb:cc:dd:ee:ff
+         ARG   Either the mac address of the device to send the wol magic
+               packet to, or a nickname specified in woly.conf to lookup
+               the mac. See details about config file below.
+               Eg: woly aa:bb:cc:dd:ee:ff
+               Eg: woly potato
 
 Config file:
     Filename   woly.conf
     Location   $WOLY_CONFIG_DIR/woly.conf, then $XDG_CONFIG_DIR/woly.conf,
                then $HOME/woly.conf
-    Format     one KEY=VALUE per line without spaces
-    Example    potato=aa:bb:cc:dd:ee:ff
+      Format   KEY=VALUE
+               one per line without spaces, no comments allowed
+     Example   potato=aa:bb:cc:dd:ee:ff
                idly=12:34:23:e2:3d:ff
 "#
     );