From 2dbad98ec2bd5cdede6548e0a83881d4d46d747d Mon Sep 17 00:00:00 2001
From: Patrick Mahnke-Hartmann <patrick.mahnke-hartmann@tha.de>
Date: Mon, 1 Sep 2025 16:24:15 +0200
Subject: [PATCH] added debug on args

---
 WatcherAgent/src/main.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/WatcherAgent/src/main.rs b/WatcherAgent/src/main.rs
index ca4690c..81160a5 100644
--- a/WatcherAgent/src/main.rs
+++ b/WatcherAgent/src/main.rs
@@ -27,7 +27,13 @@ async fn flatten<T>(
 async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
     let args: Vec<String> = env::args().collect();
 
-    let server_url = &args[0];
+    // args[0] is the binary name, args[1] is the first actual argument
+    if args.len() < 2 {
+        eprintln!("Usage: {} <server-url>", args[0]);
+        return Err("Missing server URL argument".into());
+    }
+
+    let server_url = &args[1];
 
     // Registration
     let (server_id, ip) = match api::register_with_server(&server_url).await {