// +build !windows
 
 package distribution
 
 import (

 	"runtime"
 

 	"github.com/docker/distribution"
 	"github.com/docker/distribution/context"

 	"github.com/docker/distribution/manifest/manifestlist"
 	"github.com/sirupsen/logrus"

 )
 

 func (ld *v2LayerDescriptor) open(ctx context.Context) (distribution.ReadSeekCloser, error) {
 	blobs := ld.repo.Blobs(ctx)
 	return blobs.Open(ctx, ld.digest)
 }

 func filterManifests(manifests []manifestlist.ManifestDescriptor, os string) []manifestlist.ManifestDescriptor {

 	var matches []manifestlist.ManifestDescriptor
 	for _, manifestDescriptor := range manifests {

 		if manifestDescriptor.Platform.Architecture == runtime.GOARCH && manifestDescriptor.Platform.OS == os {

 			matches = append(matches, manifestDescriptor)
 

 			logrus.Debugf("found match for %s/%s with media type %s, digest %s", os, runtime.GOARCH, manifestDescriptor.MediaType, manifestDescriptor.Digest.String())

 		}
 	}
 	return matches
 }