From 12bfb8dbecfc0f6f83fd6ca18ca339e8f5fa7c3d Mon Sep 17 00:00:00 2001
From: fanyang <fanyang89@outlook.com>
Date: Tue, 30 Jun 2026 00:24:57 +0800
Subject: [PATCH] fix(core): preserve LTTng generation errors

---
 easytier/build/main.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/easytier/build/main.rs b/easytier/build/main.rs
index 043562bd..8c65982a 100644
--- a/easytier/build/main.rs
+++ b/easytier/build/main.rs
@@ -155,7 +155,9 @@ fn generate_lttng_tracepoints(out: &PathBuf) -> Result<(), Box<dyn std::error::E
         .register_provider(provider)
         .output_file_name(out.join("lttng_tracepoints.rs"))
         .generate()
-        .map_err(|_| std::io::Error::other("failed to generate LTTng tracepoints"))?;
+        .map_err(|error| {
+            std::io::Error::other(format!("failed to generate LTTng tracepoints: {error:?}"))
+        })?;
 
     Ok(())
 }