prepare to add klauspost/compress/zstd

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/gophercloud/gophercloud/v2 v2.12.0
 	github.com/gorilla/mux v1.8.1
 	github.com/hashicorp/golang-lru/v2 v2.0.7
+	github.com/klauspost/compress v1.18.1
 	github.com/opencontainers/distribution-spec/specs-go v0.0.0-20260422183030-ed885fa76559
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.1.1

internal/models/blob.go

@@ -6,6 +6,7 @@ package models
 import (
 	"time"
 
+	"github.com/klauspost/compress/zstd"
 	"github.com/opencontainers/go-digest"
 	. "go.xyrillian.de/gg/option"
 )
@@ -42,6 +43,9 @@ func (b Blob) SafeMediaType() string {
 	return b.MediaType
 }
 
+// TODO: start using compress/zstd, this is a temporary measure to pull it into the vendor/ dir and reduce the size of the actual PR
+var _ = zstd.MinWindowSize
+
 const (
 	// BlobValidationInterval is how often each blob will be validated by BlobValidationJob.
 	// This is here instead of near the job because package processor also needs to know it.