fix: replace expect() with match in SIGTERM handler to satisfy clippy

Cargo.lock

@@ -97,7 +97,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -108,7 +108,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -801,7 +801,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -973,7 +973,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1997,7 +1997,7 @@ dependencies = [
  "portable-atomic",
  "portable-atomic-util",
  "serde_core",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -2495,7 +2495,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -3234,7 +3234,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b55fb86dfd3a2f5f76ea78310a88f96c4ea21a3031f8d212443d56123fd0521"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3478,7 +3478,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]

src/main.rs

@@ -15,7 +15,7 @@ use clap::{Parser, Subcommand};
 use iroh::SecretKey;
 use tokio::sync::mpsc;
 use tokio_util::sync::CancellationToken;
-use tracing::info;
+use tracing::{info, warn};
 
 use crate::gossip::PassphraseKeys;
 use crate::rate_limit::RateLimiter;
@@ -180,13 +180,22 @@ async fn main() -> Result<()> {
     {
         let cancel = cancel.clone();
         tokio::spawn(async move {
-            let mut sigterm = tokio::signal::unix::signal(
+            let sigterm = tokio::signal::unix::signal(
                 tokio::signal::unix::SignalKind::terminate(),
-            ).expect("failed to register SIGTERM handler");
+            );
+            match sigterm {
+                Ok(mut sigterm) => {
                     tokio::select! {
                         _ = tokio::signal::ctrl_c() => info!("received SIGINT"),
                         _ = sigterm.recv() => info!("received SIGTERM"),
                     }
+                }
+                Err(e) => {
+                    warn!("failed to register SIGTERM handler: {e:#}");
+                    let _ = tokio::signal::ctrl_c().await;
+                    info!("received SIGINT");
+                }
+            }
             cancel.cancel();
         });
     }