fix: Propagate signals in project run

crates/uv/src/commands/project/run.rs

@@ -11,6 +11,8 @@ use futures::StreamExt;
 use itertools::Itertools;
 use owo_colors::OwoColorize;
 use tokio::process::Command;
+use tokio::select;
+use tokio::signal::unix::{signal, SignalKind};
 use tracing::{debug, warn};
 use url::Url;
 use uv_cache::Cache;
@@ -994,9 +996,28 @@ pub(crate) async fn run(
     // Ignore signals in the parent process, deferring them to the child. This is safe as long as
     // the command is the last thing that runs in this process; otherwise, we'd need to restore the
     // signal handlers after the command completes.
-    let _handler = tokio::spawn(async { while tokio::signal::ctrl_c().await.is_ok() {} });
+    let mut term_signal = signal(SignalKind::terminate())?;
+    let mut int_signal = signal(SignalKind::interrupt())?;
 
-    let status = handle.wait().await.context("Child process disappeared")?;
+    let status = select! {
+        status = handle.wait() => status,
+
+        // `SIGTERM`
+        _ = term_signal.recv() => {
+            handle.kill().await?;
+            handle.wait().await.context("Child process disappeared")?;
+            return Ok(ExitStatus::Failure);
+        }
+
+        // `SIGINT`
+        _ = int_signal.recv() => {
+            handle.kill().await?;
+            handle.wait().await.context("Child process disappeared")?;
+            return Ok(ExitStatus::Failure);
+        }
+    };
+
+    let status = status.context("Child process disappeared")?;
 
     // Exit based on the result of the command
     if let Some(code) = status.code() {