From fa8e57a589cedb834fad54bdefa4d83d541a0c33 Mon Sep 17 00:00:00 2001
From: Nico <47644445+nicotsx@users.noreply.github.com>
Date: Sat, 21 Mar 2026 20:46:22 +0100
Subject: [PATCH] fix: close read line interfaces on spawn errors (#693)

---
 packages/core/src/utils/spawn.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/utils/spawn.ts b/packages/core/src/utils/spawn.ts
index 759605fe..35b2e0e0 100644
--- a/packages/core/src/utils/spawn.ts
+++ b/packages/core/src/utils/spawn.ts
@@ -83,11 +83,12 @@ export function safeSpawn(params: SafeSpawnParams): Promise<SpawnResult> {
 		child.stderr.setEncoding("utf8");
 
 		const rlErr = createInterface({ input: child.stderr });
+		let rl: ReturnType<typeof createInterface> | undefined;
 
 		if (stdoutMode === "lines") {
 			child.stdout.setEncoding("utf8");
 
-			const rl = createInterface({ input: child.stdout });
+			rl = createInterface({ input: child.stdout });
 
 			rl.on("line", (line) => {
 				if (onStdout) onStdout(line);
@@ -107,6 +108,9 @@ export function safeSpawn(params: SafeSpawnParams): Promise<SpawnResult> {
 		});
 
 		child.on("error", (err) => {
+			rlErr.close();
+			rl?.close();
+
 			resolve({
 				exitCode: -1,
 				summary: lastStdout,