From a9a60f77ced8c8ecbca2d09795c7574c71715b13 Mon Sep 17 00:00:00 2001
From: Michael Eischer <michael.eischer@fau.de>
Date: Sat, 29 Jun 2024 17:24:47 +0200
Subject: [PATCH] restore: optimize memory usage

---
 internal/restorer/restorer.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/restorer/restorer.go b/internal/restorer/restorer.go
index 650ad0731..3817414eb 100644
--- a/internal/restorer/restorer.go
+++ b/internal/restorer/restorer.go
@@ -120,7 +120,9 @@ func (res *Restorer) traverseTree(ctx context.Context, target, location string,
 		return hasRestored, res.Error(location, err)
 	}
 
-	for _, node := range tree.Nodes {
+	for i, node := range tree.Nodes {
+		// allow GC of tree node
+		tree.Nodes[i] = nil
 
 		// ensure that the node name does not contain anything that refers to a
 		// top-level directory.