From 9bfc27bb0f6327d65184f5bfc99f5e32f05c423c Mon Sep 17 00:00:00 2001
From: keepers <ryan.keepers@veeam.com>
Date: Wed, 18 Dec 2024 13:08:28 -0700
Subject: [PATCH] dont slice zsl.With

---
 clog/builder.go | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/clog/builder.go b/clog/builder.go
index 6e10246..c191eac 100644
--- a/clog/builder.go
+++ b/clog/builder.go
@@ -67,16 +67,20 @@ func (b builder) log(l logLevel, msg string) {
 	record.SetBody(otellog.StringValue(msg))
 	record.SetSeverity(convertLevel(l))
 
+	// attach the error and its labels
 	if b.err != nil {
 		// error values should override context values.
 		maps.Copy(cv, cluerr.CluesIn(b.err).Map())
 
-		// attach the error and its labels
 		cv["error"] = b.err
-		cv["error_labels"] = cluerr.Labels(b.err)
+
+		labels := cluerr.Labels(b.err)
+		if len(labels) > 0 {
+			cv["error_labels"] = cluerr.Labels(b.err)
+		}
 	}
 
-	// attach the labels and comments, if populated
+	// attach the clog labels and comments
 	if len(b.labels) > 0 {
 		cv["clog_labels"] = maps.Keys(b.labels)
 	}
@@ -99,7 +103,7 @@ func (b builder) log(l logLevel, msg string) {
 
 	// plus any values added using builder.With()
 	for k, v := range b.with {
-		zsl.With(k, v)
+		zsl = zsl.With(k, v)
 
 		attr := node.NewAttribute(stringify.Fmt(k)[0], v)
 		record.AddAttributes(attr.KV())