From 418f8bed6aca2324a94b896e402b127e73618635 Mon Sep 17 00:00:00 2001
From: Poorna Krishnamoorthy <poornas@users.noreply.github.com>
Date: Thu, 9 Sep 2021 10:52:49 -0400
Subject: [PATCH] Detect multipart uploads correctly in unencrypted case
 (#13176)

This is a fix building on #13171 to ensure objects uploaded using multipart are
replicated as multipart
---
 cmd/encryption-v1.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmd/encryption-v1.go b/cmd/encryption-v1.go
index 20a22c2cd..317eea9f9 100644
--- a/cmd/encryption-v1.go
+++ b/cmd/encryption-v1.go
@@ -75,7 +75,8 @@ func (o *ObjectInfo) isMultipart() bool {
 	if len(o.Parts) == 0 {
 		return false
 	}
-	if !crypto.IsMultiPart(o.UserDefined) {
+	_, encrypted := crypto.IsEncrypted(o.UserDefined)
+	if encrypted && !crypto.IsMultiPart(o.UserDefined) {
 		return false
 	}
 	for _, part := range o.Parts {