From 7dc93ddaded3c059e499174f7a095c10e0812a2d Mon Sep 17 00:00:00 2001
From: Andrew Lavery <laverya@umich.edu>
Date: Tue, 14 Apr 2020 17:59:12 -0400
Subject: [PATCH] don't redact nil entries, discard them

---
 pkg/collect/redact.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkg/collect/redact.go b/pkg/collect/redact.go
index 5c0e7691..0c519704 100644
--- a/pkg/collect/redact.go
+++ b/pkg/collect/redact.go
@@ -7,11 +7,13 @@ import (
 func redactMap(input map[string][]byte) (map[string][]byte, error) {
 	result := make(map[string][]byte)
 	for k, v := range input {
-		redacted, err := redact.Redact(v)
-		if err != nil {
-			return nil, err
+		if v != nil {
+			redacted, err := redact.Redact(v)
+			if err != nil {
+				return nil, err
+			}
+			result[k] = redacted
 		}
-		result[k] = redacted
 	}
 	return result, nil
 }