From 13665367df7421a8900f69a5ce641fbab9fe21b7 Mon Sep 17 00:00:00 2001
From: "genglu.gl" <luzigeng32@163.com>
Date: Fri, 11 Feb 2022 14:53:14 +0800
Subject: [PATCH] Close readclosers returned by DecompressStream

Signed-off-by: genglu.gl <luzigeng32@163.com>
---
 solver/llbsolver/file/unpack.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/solver/llbsolver/file/unpack.go b/solver/llbsolver/file/unpack.go
index 8e530526..41ea222f 100644
--- a/solver/llbsolver/file/unpack.go
+++ b/solver/llbsolver/file/unpack.go
@@ -55,6 +55,7 @@ func isArchivePath(path string) bool {
 	if err != nil {
 		return false
 	}
+	defer rdr.Close()
 	r := tar.NewReader(rdr)
 	_, err = r.Next()
 	return err == nil