From 2619da44db3c61e9e44e1110b3d0e2fb3f6e10cd Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tomasz@kramkow.ski>
Date: Sat, 7 Jun 2025 17:01:25 +0100
Subject: Don't die if children fail

---
 src/main.rs | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 6ccafba..3f7e188 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,7 +8,7 @@ use std::{
 };
 
 use anyhow::Context;
-use rumqttc::{Event::Incoming, Packet::Publish, QoS};
+use rumqttc::{Event::Incoming, Packet, Publish, QoS};
 
 mod config;
 
@@ -95,6 +95,17 @@ impl Node {
     }
 }
 
+fn run<P: AsRef<Path>>(path: P, message: &Publish) -> anyhow::Result<()> {
+    let mut proc = Command::new(path.as_ref())
+        .args([&message.topic])
+        .stdin(Stdio::piped())
+        .spawn()?;
+    let stdin = proc.stdin.as_mut().context("No stdin")?;
+    stdin.write_all(&message.payload)?;
+    println!("{}", proc.wait()?);
+    Ok(())
+}
+
 fn main() -> anyhow::Result<()> {
     let mut conf_path: PathBuf = option_env!("SYSCONFDIR").unwrap_or("/usr/local/etc").into();
     conf_path.push(format!("{PROGRAM}.toml"));
@@ -113,16 +124,11 @@ fn main() -> anyhow::Result<()> {
     });
     for notification in connection.iter() {
         match notification? {
-            Incoming(Publish(p)) => root.publish(&p.topic, &mut |node| {
+            Incoming(Packet::Publish(p)) => root.publish(&p.topic, &mut |node| {
                 for e in &node.executables {
-                    let mut proc = Command::new(e)
-                        .args([&p.topic])
-                        .stdin(Stdio::piped())
-                        .spawn()
-                        .unwrap();
-                    let stdin = proc.stdin.as_mut().unwrap();
-                    stdin.write_all(&p.payload).unwrap();
-                    println!("{}", proc.wait().unwrap());
+                    if let Err(err) = run(e, &p) {
+                        println!("Error running {e:?}: {err:?}");
+                    }
                 }
             }),
             _ => (),
-- 
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