From 9ac2e963f9a34ce5101637ff85c7bba4b1a9d8f8 Mon Sep 17 00:00:00 2001
From: Geoff Franks <geoff.franks@broadcom.com>
Date: Mon, 11 Nov 2024 18:11:01 +0000
Subject: [PATCH] Reduce memory usage when calculating release shasum

---
 pkg/cargo/bosh_release.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/cargo/bosh_release.go b/pkg/cargo/bosh_release.go
index bd44be3c..9befde7f 100644
--- a/pkg/cargo/bosh_release.go
+++ b/pkg/cargo/bosh_release.go
@@ -155,7 +155,7 @@ func ReadBOSHReleaseTarball(tarballPath string, r io.Reader) (BOSHReleaseTarball
 	if err != nil {
 		return BOSHReleaseTarball{}, err
 	}
-	_, err = io.ReadAll(r)
+	_, err = io.CopyBuffer(io.Discard, r, make([]byte, 1024 * 64))
 	return BOSHReleaseTarball{
 		Manifest: m,
 		SHA1:     hex.EncodeToString(sum.Sum(nil)),