From 139ad7987448d15c98c3dcbddd1836319fde5b21 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rub=C3=A9n=20Norte?= <rubennorte@meta.com>
Date: Fri, 13 Dec 2024 07:40:05 -0800
Subject: [PATCH] Log status code when commands fail (#48222)

Summary:

Changelog: [internal]

Tiny improvement over the current setup so it might help detect some current issues.

Reviewed By: yungsters

Differential Revision: D67021976
---
 packages/react-native-fantom/runner/utils.js | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/packages/react-native-fantom/runner/utils.js b/packages/react-native-fantom/runner/utils.js
index 754aac63f217c1..5d698977064d86 100644
--- a/packages/react-native-fantom/runner/utils.js
+++ b/packages/react-native-fantom/runner/utils.js
@@ -69,14 +69,21 @@ export function runBuck2(args: Array<string>): SpawnResultWithOriginalCommand {
 export function getDebugInfoFromCommandResult(
   commandResult: SpawnResultWithOriginalCommand,
 ): string {
+  const maybeSignal =
+    commandResult.signal != null ? `, signal: ${commandResult.signal}` : '';
+  const resultByStatus =
+    commandResult.status === 0
+      ? 'succeeded'
+      : `failed (status code: ${commandResult.status}${maybeSignal})`;
+
   const logLines = [
-    `Command ${commandResult.status === 0 ? 'succeeded' : 'failed'}: ${commandResult.originalCommand}`,
+    `Command ${resultByStatus}: ${commandResult.originalCommand}`,
     '',
     'stdout:',
-    commandResult.stdout,
+    commandResult.stdout || '(empty)',
     '',
     'stderr:',
-    commandResult.stderr,
+    commandResult.stderr || '(empty)',
   ];
 
   if (commandResult.error) {