From 5c411fc986bd1a92e9ca81c851a44de8ab167188 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Natalie=20Klestrup=20R=C3=B6ijezon?= <nat@nullable.se>
Date: Fri, 25 Oct 2024 00:39:26 +0200
Subject: [PATCH] Report an error if an invalid --for= argument is supplied,
 instead of ignoring it
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Signed-off-by: Natalie Klestrup Röijezon <nat@nullable.se>
---
 examples/event_watcher.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/event_watcher.rs b/examples/event_watcher.rs
index 62b03c29e..dd33229f0 100644
--- a/examples/event_watcher.rs
+++ b/examples/event_watcher.rs
@@ -36,6 +36,8 @@ async fn main() -> anyhow::Result<()> {
     if let Some(forval) = app.r#for {
         if let Some((kind, name)) = forval.split_once('/') {
             conf = conf.fields(&format!("regarding.kind={kind},regarding.name={name}"));
+        } else {
+            return Err(anyhow::Error::msg("Usage: --for=<KIND>/<NAME>"));
         }
     }
     let event_stream = watcher(events, conf).default_backoff().applied_objects();