From 8ce5639b424b09768052336ae91ec88e77103741 Mon Sep 17 00:00:00 2001
From: hulucc <hulucc@outlook.com>
Date: Mon, 25 Sep 2023 11:47:42 +0800
Subject: [PATCH] fix: better command err info

---
 common/netutil/netutil.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/common/netutil/netutil.go b/common/netutil/netutil.go
index c07ead4..140fe46 100644
--- a/common/netutil/netutil.go
+++ b/common/netutil/netutil.go
@@ -200,7 +200,11 @@ func ExecCmd(c string, args ...string) string {
 	cmd := exec.Command(c, args...)
 	out, err := cmd.Output()
 	if err != nil {
-		log.Println("failed to exec cmd:", err)
+		if exitErr, ok := err.(*exec.ExitError); ok {
+			log.Println("failed to exec cmd:", err, string(exitErr.Stderr))
+		} else {
+			log.Println("failed to exec cmd:", err)
+		}
 	}
 	if len(out) == 0 {
 		return ""