From 545f247c8e2dc9ab51c0bb45095475b8462a9bb8 Mon Sep 17 00:00:00 2001
From: yanxuean <yan.xuean@zte.com.cn>
Date: Thu, 23 Nov 2017 17:29:29 +0800
Subject: [PATCH] prevent snapshot from gc when unpack image

Signed-off-by: yanxuean <yan.xuean@zte.com.cn>
---
 image.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/image.go b/image.go
index 4f978e2ea..cf8b73613 100644
--- a/image.go
+++ b/image.go
@@ -86,6 +86,12 @@ func (i *image) IsUnpacked(ctx context.Context, snapshotterName string) (bool, e
 }
 
 func (i *image) Unpack(ctx context.Context, snapshotterName string) error {
+	ctx, done, err := i.client.withLease(ctx)
+	if err != nil {
+		return err
+	}
+	defer done()
+
 	layers, err := i.getLayers(ctx, platforms.Default())
 	if err != nil {
 		return err