From 9912e569e1d6614c80aa7f4ef11956c897ba34d0 Mon Sep 17 00:00:00 2001
From: Megan Marsh <megan@hashicorp.com>
Date: Thu, 25 Jul 2019 16:33:02 -0700
Subject: [PATCH] deduplicate loglines that stream both to ui ERROR call and to
 streaming logs when PACKER_LOG=1

---
 log.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/log.go b/log.go
index e5c07c206..1a6722235 100644
--- a/log.go
+++ b/log.go
@@ -35,6 +35,9 @@ func logOutput() (logOutput io.Writer, err error) {
 					if strings.Contains(scanner.Text(), "ui:") {
 						continue
 					}
+					if strings.Contains(scanner.Text(), "ui error:") {
+						continue
+					}
 					os.Stderr.WriteString(fmt.Sprint(scanner.Text() + "\n"))
 				}
 			}(scanner)