From 29e0727b583f53d5fa6abce93ad6c6a57c4621f6 Mon Sep 17 00:00:00 2001
From: Harshavardhana <harsha@minio.io>
Date: Sat, 11 Apr 2020 20:20:30 -0700
Subject: [PATCH] fix: regression in CopyObject not preserving ETag in --compat
 (#9322)

issue found after `git bisect` to commit db4195361876fbe2410236bce55f173da3ef3b2b
---
 cmd/object-handlers.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmd/object-handlers.go b/cmd/object-handlers.go
index 89e4ac3f0..39145e85a 100644
--- a/cmd/object-handlers.go
+++ b/cmd/object-handlers.go
@@ -993,7 +993,9 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
 				return
 			}
 
-			pReader = NewPutObjReader(rawReader, srcInfo.Reader, &objEncKey)
+			if isTargetEncrypted {
+				pReader = NewPutObjReader(rawReader, srcInfo.Reader, &objEncKey)
+			}
 		}
 	}