From 24cab7f9dfa8aeacd5ba5f510c48a369907b1ec0 Mon Sep 17 00:00:00 2001
From: Anis Elleuch <vadmeste@users.noreply.github.com>
Date: Wed, 16 Sep 2020 18:21:50 +0100
Subject: [PATCH] ilm: Remove a 'null' version if not latest (#10494)

If the ILM document requires removing noncurrent versions, the
the server should be able to remove 'null' versions as well.
'null' versions are created when versioning is not enabled
or suspended.
---
 cmd/erasure-metadata.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/cmd/erasure-metadata.go b/cmd/erasure-metadata.go
index 5f7a36b1c..4faffd719 100644
--- a/cmd/erasure-metadata.go
+++ b/cmd/erasure-metadata.go
@@ -103,11 +103,17 @@ func (fi FileInfo) ToObjectInfo(bucket, object string) ObjectInfo {
 			IsDir:  true,
 		}
 	}
+
+	versionID := fi.VersionID
+	if globalBucketVersioningSys.Enabled(bucket) && versionID == "" {
+		versionID = nullVersionID
+	}
+
 	objInfo := ObjectInfo{
 		IsDir:           false,
 		Bucket:          bucket,
 		Name:            object,
-		VersionID:       fi.VersionID,
+		VersionID:       versionID,
 		IsLatest:        fi.IsLatest,
 		DeleteMarker:    fi.Deleted,
 		Size:            fi.Size,