[#645] Replace tagging when PutObject

Signed-off-by: Angira Kekteeva <kira@nspcc.ru>

CHANGELOG.md

@@ -10,7 +10,8 @@ This document outlines major changes between releases.
 - Improved wallet configuration via `.yaml` config and environment variables (#607)
 ### Removed
 ### Fixed
-- Responses to `GetObject` and `HeadObject`: remove redundant `VersionID` (#577)  
+- Responses to `GetObject` and `HeadObject`: removed redundant `VersionID` (#577)
+- Replacement of object tagging in case of overwriting of an object (#645)
 ### Updating from v0.23.0
 1. Make sure configuration of wallet is valid. If you use:
    1. environment variables: set `S3_GW_WALLET_PATH` instead of `S3_GW_WALLET`, 

internal/neofs/tree.go

@@ -1082,7 +1082,11 @@ func (c *TreeClient) addVersion(ctx context.Context, cnrID cid.ID, treeID string
 				return err
 			}
 
-			return c.moveNode(ctx, cnrID, treeID, node.ID, parentID, meta)
+			if err = c.moveNode(ctx, cnrID, treeID, node.ID, parentID, meta); err != nil {
+				return err
+			}
+
+			return c.clearOutdatedVersionInfo(ctx, cnrID, treeID, node.ID)
 		}
 
 		if !errors.Is(err, layer.ErrNodeNotFound) {
@@ -1093,6 +1097,18 @@ func (c *TreeClient) addVersion(ctx context.Context, cnrID cid.ID, treeID string
 	return c.addNodeByPath(ctx, cnrID, treeID, path[:len(path)-1], meta)
 }
 
+func (c *TreeClient) clearOutdatedVersionInfo(ctx context.Context, cnrID cid.ID, treeID string, nodeID uint64) error {
+	taggingNode, err := c.getTreeNode(ctx, cnrID, nodeID, isTagKV)
+	if err != nil {
+		return err
+	}
+	if taggingNode != nil {
+		return c.removeNode(ctx, cnrID, treeID, taggingNode.ID)
+	}
+
+	return nil
+}
+
 func (c *TreeClient) getVersions(ctx context.Context, cnrID cid.ID, treeID, filepath string, onlyUnversioned bool) ([]*data.NodeVersion, error) {
 	keysToReturn := []string{oidKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV}
 	path := pathFromName(filepath)