From b6ccf12551bf43992b89c8b2c78d1352e89787eb Mon Sep 17 00:00:00 2001
From: Keith Ballinger <keithballinger@google.com>
Date: Tue, 24 Jun 2025 17:39:01 -0700
Subject: [PATCH] [June 25] handle early output pipe closer (#1402)

---
 packages/cli/src/nonInteractiveCli.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/cli/src/nonInteractiveCli.ts b/packages/cli/src/nonInteractiveCli.ts
index 28db73f1..0855fc6d 100644
--- a/packages/cli/src/nonInteractiveCli.ts
+++ b/packages/cli/src/nonInteractiveCli.ts
@@ -47,6 +47,14 @@ export async function runNonInteractive(
   config: Config,
   input: string,
 ): Promise<void> {
+  // Handle EPIPE errors when the output is piped to a command that closes early.
+  process.stdout.on('error', (err: NodeJS.ErrnoException) => {
+    if (err.code === 'EPIPE') {
+      // Exit gracefully if the pipe is closed.
+      process.exit(0);
+    }
+  });
+
   const geminiClient = config.getGeminiClient();
   const toolRegistry: ToolRegistry = await config.getToolRegistry();