From eaf4d6c8c25eb433158f92b2daf6e9bd60d28703 Mon Sep 17 00:00:00 2001
From: umohnani8 <umohnani@redhat.com>
Date: Mon, 11 Dec 2017 09:48:55 -0500
Subject: Vendor in latest upstream containers/image

Signed-off-by: umohnani8 <umohnani@redhat.com>
---
 vendor/github.com/containers/image/copy/copy.go    |  279 +++---
 .../github.com/containers/image/copy/manifest.go   |   29 +-
 vendor/github.com/containers/image/copy/sign.go    |   14 +-
 .../containers/image/directory/directory_dest.go   |  104 +-
 .../containers/image/directory/directory_src.go    |   25 +-
 .../image/directory/directory_transport.go         |   20 +-
 .../containers/image/docker/archive/src.go         |    5 -
 .../containers/image/docker/archive/transport.go   |    9 +-
 .../containers/image/docker/daemon/client.go       |   69 ++
 .../containers/image/docker/daemon/daemon_dest.go  |   29 +-
 .../containers/image/docker/daemon/daemon_src.go   |   13 +-
 .../image/docker/daemon/daemon_transport.go        |   11 +-
 .../containers/image/docker/docker_image.go        |   10 +-
 .../containers/image/docker/docker_image_dest.go   |    8 +-
 .../containers/image/docker/docker_image_src.go    |   48 +-
 .../containers/image/docker/docker_transport.go    |    7 +-
 .../containers/image/docker/tarfile/dest.go        |   11 +-
 .../containers/image/docker/tarfile/src.go         |   32 +-
 .../containers/image/docker/tarfile/types.go       |   26 +-
 .../containers/image/image/docker_list.go          |   54 +-
 .../containers/image/image/docker_schema1.go       |  226 ++++-
 .../containers/image/image/docker_schema2.go       |  122 ++-
 .../github.com/containers/image/image/manifest.go  |   27 +-
 vendor/github.com/containers/image/image/memory.go |   17 -
 vendor/github.com/containers/image/image/oci.go    |   88 +-
 .../github.com/containers/image/image/sourced.go   |   54 +-
 .../github.com/containers/image/image/unparsed.go  |   69 +-
 .../containers/image/internal/tmpdir/tmpdir.go     |   19 +
 .../containers/image/manifest/docker_schema1.go    |  212 ----
 .../containers/image/manifest/docker_schema2.go    |  241 -----
 .../containers/image/manifest/manifest.go          |   76 +-
 vendor/github.com/containers/image/manifest/oci.go |  108 --
 .../containers/image/oci/archive/oci_src.go        |   26 +-
 .../containers/image/oci/archive/oci_transport.go  |   73 +-
 .../containers/image/oci/internal/oci_util.go      |  126 +++
 .../containers/image/oci/layout/oci_dest.go        |   52 +-
 .../containers/image/oci/layout/oci_src.go         |   65 +-
 .../containers/image/oci/layout/oci_transport.go   |   77 +-
 .../containers/image/openshift/openshift.go        |   36 +-
 .../image/openshift/openshift_transport.go         |    9 +-
 .../containers/image/ostree/ostree_dest.go         |  143 ++-
 .../containers/image/ostree/ostree_src.go          |  349 +++++++
 .../containers/image/ostree/ostree_transport.go    |   41 +-
 .../containers/image/signature/policy_config.go    |    6 +-
 .../containers/image/storage/storage_image.go      | 1036 ++++++++------------
 .../containers/image/storage/storage_reference.go  |   40 +-
 .../containers/image/storage/storage_transport.go  |  179 +---
 .../containers/image/tarball/tarball_reference.go  |    9 +-
 .../containers/image/tarball/tarball_src.go        |   22 +-
 .../image/transports/alltransports/storage_stub.go |    2 +-
 vendor/github.com/containers/image/types/types.go  |   78 +-
 vendor/github.com/containers/image/vendor.conf     |    7 +-
 52 files changed, 2258 insertions(+), 2180 deletions(-)
 create mode 100644 vendor/github.com/containers/image/docker/daemon/client.go
 create mode 100644 vendor/github.com/containers/image/internal/tmpdir/tmpdir.go
 delete mode 100644 vendor/github.com/containers/image/manifest/docker_schema1.go
 delete mode 100644 vendor/github.com/containers/image/manifest/docker_schema2.go
 delete mode 100644 vendor/github.com/containers/image/manifest/oci.go
 create mode 100644 vendor/github.com/containers/image/oci/internal/oci_util.go
 create mode 100644 vendor/github.com/containers/image/ostree/ostree_src.go

(limited to 'vendor')

diff --git a/vendor/github.com/containers/image/copy/copy.go b/vendor/github.com/containers/image/copy/copy.go
index 0380bf72d..ac97cad95 100644
--- a/vendor/github.com/containers/image/copy/copy.go
+++ b/vendor/github.com/containers/image/copy/copy.go
@@ -12,8 +12,6 @@ import (
 	"strings"
 	"time"
 
-	pb "gopkg.in/cheggaaa/pb.v1"
-
 	"github.com/containers/image/image"
 	"github.com/containers/image/pkg/compression"
 	"github.com/containers/image/signature"
@@ -22,6 +20,7 @@ import (
 	"github.com/opencontainers/go-digest"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
+	pb "gopkg.in/cheggaaa/pb.v1"
 )
 
 type digestingReader struct {
@@ -31,23 +30,6 @@ type digestingReader struct {
 	validationFailed bool
 }
 
-// imageCopier allows us to keep track of diffID values for blobs, and other
-// data, that we're copying between images, and cache other information that
-// might allow us to take some shortcuts
-type imageCopier struct {
-	copiedBlobs       map[digest.Digest]digest.Digest
-	cachedDiffIDs     map[digest.Digest]digest.Digest
-	manifestUpdates   *types.ManifestUpdateOptions
-	dest              types.ImageDestination
-	src               types.Image
-	rawSource         types.ImageSource
-	diffIDsAreNeeded  bool
-	canModifyManifest bool
-	reportWriter      io.Writer
-	progressInterval  time.Duration
-	progress          chan types.ProgressProperties
-}
-
 // newDigestingReader returns an io.Reader implementation with contents of source, which will eventually return a non-EOF error
 // and set validationFailed to true if the source stream does not match expectedDigest.
 func newDigestingReader(source io.Reader, expectedDigest digest.Digest) (*digestingReader, error) {
@@ -86,6 +68,27 @@ func (d *digestingReader) Read(p []byte) (int, error) {
 	return n, err
 }
 
+// copier allows us to keep track of diffID values for blobs, and other
+// data shared across one or more images in a possible manifest list.
+type copier struct {
+	copiedBlobs      map[digest.Digest]digest.Digest
+	cachedDiffIDs    map[digest.Digest]digest.Digest
+	dest             types.ImageDestination
+	rawSource        types.ImageSource
+	reportWriter     io.Writer
+	progressInterval time.Duration
+	progress         chan types.ProgressProperties
+}
+
+// imageCopier tracks state specific to a single image (possibly an item of a manifest list)
+type imageCopier struct {
+	c                 *copier
+	manifestUpdates   *types.ManifestUpdateOptions
+	src               types.Image
+	diffIDsAreNeeded  bool
+	canModifyManifest bool
+}
+
 // Options allows supplying non-default configuration modifying the behavior of CopyImage.
 type Options struct {
 	RemoveSignatures bool   // Remove any pre-existing signatures. SignBy will still add a new signature.
@@ -95,6 +98,8 @@ type Options struct {
 	DestinationCtx   *types.SystemContext
 	ProgressInterval time.Duration                 // time to wait between reports to signal the progress channel
 	Progress         chan types.ProgressProperties // Reported to when ProgressInterval has arrived for a single artifact+offset.
+	// manifest MIME type of image set by user. "" is default and means use the autodetection to the the manifest MIME type
+	ForceManifestMIMEType string
 }
 
 // Image copies image from srcRef to destRef, using policyContext to validate
@@ -115,10 +120,6 @@ func Image(policyContext *signature.PolicyContext, destRef, srcRef types.ImageRe
 		reportWriter = options.ReportWriter
 	}
 
-	writeReport := func(f string, a ...interface{}) {
-		fmt.Fprintf(reportWriter, f, a...)
-	}
-
 	dest, err := destRef.NewImageDestination(options.DestinationCtx)
 	if err != nil {
 		return errors.Wrapf(err, "Error initializing destination %s", transports.ImageName(destRef))
@@ -133,43 +134,89 @@ func Image(policyContext *signature.PolicyContext, destRef, srcRef types.ImageRe
 	if err != nil {
 		return errors.Wrapf(err, "Error initializing source %s", transports.ImageName(srcRef))
 	}
-	unparsedImage := image.UnparsedFromSource(rawSource)
 	defer func() {
-		if unparsedImage != nil {
-			if err := unparsedImage.Close(); err != nil {
-				retErr = errors.Wrapf(retErr, " (unparsed: %v)", err)
-			}
+		if err := rawSource.Close(); err != nil {
+			retErr = errors.Wrapf(retErr, " (src: %v)", err)
 		}
 	}()
 
+	c := &copier{
+		copiedBlobs:      make(map[digest.Digest]digest.Digest),
+		cachedDiffIDs:    make(map[digest.Digest]digest.Digest),
+		dest:             dest,
+		rawSource:        rawSource,
+		reportWriter:     reportWriter,
+		progressInterval: options.ProgressInterval,
+		progress:         options.Progress,
+	}
+
+	unparsedToplevel := image.UnparsedInstance(rawSource, nil)
+	multiImage, err := isMultiImage(unparsedToplevel)
+	if err != nil {
+		return errors.Wrapf(err, "Error determining manifest MIME type for %s", transports.ImageName(srcRef))
+	}
+
+	if !multiImage {
+		// The simple case: Just copy a single image.
+		if err := c.copyOneImage(policyContext, options, unparsedToplevel); err != nil {
+			return err
+		}
+	} else {
+		// This is a manifest list. Choose a single image and copy it.
+		// FIXME: Copy to destinations which support manifest lists, one image at a time.
+		instanceDigest, err := image.ChooseManifestInstanceFromManifestList(options.SourceCtx, unparsedToplevel)
+		if err != nil {
+			return errors.Wrapf(err, "Error choosing an image from manifest list %s", transports.ImageName(srcRef))
+		}
+		logrus.Debugf("Source is a manifest list; copying (only) instance %s", instanceDigest)
+		unparsedInstance := image.UnparsedInstance(rawSource, &instanceDigest)
+
+		if err := c.copyOneImage(policyContext, options, unparsedInstance); err != nil {
+			return err
+		}
+	}
+
+	if err := c.dest.Commit(); err != nil {
+		return errors.Wrap(err, "Error committing the finished image")
+	}
+
+	return nil
+}
+
+// Image copies a single (on-manifest-list) image unparsedImage, using policyContext to validate
+// source image admissibility.
+func (c *copier) copyOneImage(policyContext *signature.PolicyContext, options *Options, unparsedImage *image.UnparsedImage) (retErr error) {
+	// The caller is handling manifest lists; this could happen only if a manifest list contains a manifest list.
+	// Make sure we fail cleanly in such cases.
+	multiImage, err := isMultiImage(unparsedImage)
+	if err != nil {
+		// FIXME FIXME: How to name a reference for the sub-image?
+		return errors.Wrapf(err, "Error determining manifest MIME type for %s", transports.ImageName(unparsedImage.Reference()))
+	}
+	if multiImage {
+		return fmt.Errorf("Unexpectedly received a manifest list instead of a manifest for a single image")
+	}
+
 	// Please keep this policy check BEFORE reading any other information about the image.
+	// (the multiImage check above only matches the MIME type, which we have received anyway.
+	// Actual parsing of anything should be deferred.)
 	if allowed, err := policyContext.IsRunningImageAllowed(unparsedImage); !allowed || err != nil { // Be paranoid and fail if either return value indicates so.
 		return errors.Wrap(err, "Source image rejected")
 	}
-	src, err := image.FromUnparsedImage(unparsedImage)
+	src, err := image.FromUnparsedImage(options.SourceCtx, unparsedImage)
 	if err != nil {
-		return errors.Wrapf(err, "Error initializing image from source %s", transports.ImageName(srcRef))
+		return errors.Wrapf(err, "Error initializing image from source %s", transports.ImageName(c.rawSource.Reference()))
 	}
-	unparsedImage = nil
-	defer func() {
-		if err := src.Close(); err != nil {
-			retErr = errors.Wrapf(retErr, " (source: %v)", err)
-		}
-	}()
 
-	if err := checkImageDestinationForCurrentRuntimeOS(src, dest); err != nil {
+	if err := checkImageDestinationForCurrentRuntimeOS(options.DestinationCtx, src, c.dest); err != nil {
 		return err
 	}
 
-	if src.IsMultiImage() {
-		return errors.Errorf("can not copy %s: manifest contains multiple images", transports.ImageName(srcRef))
-	}
-
 	var sigs [][]byte
 	if options.RemoveSignatures {
 		sigs = [][]byte{}
 	} else {
-		writeReport("Getting image source signatures\n")
+		c.Printf("Getting image source signatures\n")
 		s, err := src.Signatures(context.TODO())
 		if err != nil {
 			return errors.Wrap(err, "Error reading signatures")
@@ -177,41 +224,33 @@ func Image(policyContext *signature.PolicyContext, destRef, srcRef types.ImageRe
 		sigs = s
 	}
 	if len(sigs) != 0 {
-		writeReport("Checking if image destination supports signatures\n")
-		if err := dest.SupportsSignatures(); err != nil {
+		c.Printf("Checking if image destination supports signatures\n")
+		if err := c.dest.SupportsSignatures(); err != nil {
 			return errors.Wrap(err, "Can not copy signatures")
 		}
 	}
 
-	canModifyManifest := len(sigs) == 0
-	manifestUpdates := types.ManifestUpdateOptions{}
-	manifestUpdates.InformationOnly.Destination = dest
+	ic := imageCopier{
+		c:               c,
+		manifestUpdates: &types.ManifestUpdateOptions{InformationOnly: types.ManifestUpdateInformation{Destination: c.dest}},
+		src:             src,
+		// diffIDsAreNeeded is computed later
+		canModifyManifest: len(sigs) == 0,
+	}
 
-	if err := updateEmbeddedDockerReference(&manifestUpdates, dest, src, canModifyManifest); err != nil {
+	if err := ic.updateEmbeddedDockerReference(); err != nil {
 		return err
 	}
 
 	// We compute preferredManifestMIMEType only to show it in error messages.
 	// Without having to add this context in an error message, we would be happy enough to know only that no conversion is needed.
-	preferredManifestMIMEType, otherManifestMIMETypeCandidates, err := determineManifestConversion(&manifestUpdates, src, dest.SupportedManifestMIMETypes(), canModifyManifest)
+	preferredManifestMIMEType, otherManifestMIMETypeCandidates, err := ic.determineManifestConversion(c.dest.SupportedManifestMIMETypes(), options.ForceManifestMIMEType)
 	if err != nil {
 		return err
 	}
 
-	// If src.UpdatedImageNeedsLayerDiffIDs(manifestUpdates) will be true, it needs to be true by the time we get here.
-	ic := imageCopier{
-		copiedBlobs:       make(map[digest.Digest]digest.Digest),
-		cachedDiffIDs:     make(map[digest.Digest]digest.Digest),
-		manifestUpdates:   &manifestUpdates,
-		dest:              dest,
-		src:               src,
-		rawSource:         rawSource,
-		diffIDsAreNeeded:  src.UpdatedImageNeedsLayerDiffIDs(manifestUpdates),
-		canModifyManifest: canModifyManifest,
-		reportWriter:      reportWriter,
-		progressInterval:  options.ProgressInterval,
-		progress:          options.Progress,
-	}
+	// If src.UpdatedImageNeedsLayerDiffIDs(ic.manifestUpdates) will be true, it needs to be true by the time we get here.
+	ic.diffIDsAreNeeded = src.UpdatedImageNeedsLayerDiffIDs(*ic.manifestUpdates)
 
 	if err := ic.copyLayers(); err != nil {
 		return err
@@ -233,9 +272,9 @@ func Image(policyContext *signature.PolicyContext, destRef, srcRef types.ImageRe
 		}
 		// If the original MIME type is acceptable, determineManifestConversion always uses it as preferredManifestMIMEType.
 		// So if we are here, we will definitely be trying to convert the manifest.
-		// With !canModifyManifest, that would just be a string of repeated failures for the same reason,
+		// With !ic.canModifyManifest, that would just be a string of repeated failures for the same reason,
 		// so let’s bail out early and with a better error message.
-		if !canModifyManifest {
+		if !ic.canModifyManifest {
 			return errors.Wrap(err, "Writing manifest failed (and converting it is not possible)")
 		}
 
@@ -243,7 +282,7 @@ func Image(policyContext *signature.PolicyContext, destRef, srcRef types.ImageRe
 		errs := []string{fmt.Sprintf("%s(%v)", preferredManifestMIMEType, err)}
 		for _, manifestMIMEType := range otherManifestMIMETypeCandidates {
 			logrus.Debugf("Trying to use manifest type %s…", manifestMIMEType)
-			manifestUpdates.ManifestMIMEType = manifestMIMEType
+			ic.manifestUpdates.ManifestMIMEType = manifestMIMEType
 			attemptedManifest, err := ic.copyUpdatedConfigAndManifest()
 			if err != nil {
 				logrus.Debugf("Upload of manifest type %s failed: %v", manifestMIMEType, err)
@@ -262,35 +301,44 @@ func Image(policyContext *signature.PolicyContext, destRef, srcRef types.ImageRe
 	}
 
 	if options.SignBy != "" {
-		newSig, err := createSignature(dest, manifest, options.SignBy, reportWriter)
+		newSig, err := c.createSignature(manifest, options.SignBy)
 		if err != nil {
 			return err
 		}
 		sigs = append(sigs, newSig)
 	}
 
-	writeReport("Storing signatures\n")
-	if err := dest.PutSignatures(sigs); err != nil {
+	c.Printf("Storing signatures\n")
+	if err := c.dest.PutSignatures(sigs); err != nil {
 		return errors.Wrap(err, "Error writing signatures")
 	}
 
-	if err := dest.Commit(); err != nil {
-		return errors.Wrap(err, "Error committing the finished image")
-	}
-
 	return nil
 }
 
-func checkImageDestinationForCurrentRuntimeOS(src types.Image, dest types.ImageDestination) error {
+// Printf writes a formatted string to c.reportWriter.
+// Note that the method name Printf is not entirely arbitrary: (go tool vet)
+// has a built-in list of functions/methods (whatever object they are for)
+// which have their format strings checked; for other names we would have
+// to pass a parameter to every (go tool vet) invocation.
+func (c *copier) Printf(format string, a ...interface{}) {
+	fmt.Fprintf(c.reportWriter, format, a...)
+}
+
+func checkImageDestinationForCurrentRuntimeOS(ctx *types.SystemContext, src types.Image, dest types.ImageDestination) error {
 	if dest.MustMatchRuntimeOS() {
+		wantedOS := runtime.GOOS
+		if ctx != nil && ctx.OSChoice != "" {
+			wantedOS = ctx.OSChoice
+		}
 		c, err := src.OCIConfig()
 		if err != nil {
 			return errors.Wrapf(err, "Error parsing image configuration")
 		}
-		osErr := fmt.Errorf("image operating system %q cannot be used on %q", c.OS, runtime.GOOS)
-		if runtime.GOOS == "windows" && c.OS == "linux" {
+		osErr := fmt.Errorf("image operating system %q cannot be used on %q", c.OS, wantedOS)
+		if wantedOS == "windows" && c.OS == "linux" {
 			return osErr
-		} else if runtime.GOOS != "windows" && c.OS == "windows" {
+		} else if wantedOS != "windows" && c.OS == "windows" {
 			return osErr
 		}
 	}
@@ -298,44 +346,35 @@ func checkImageDestinationForCurrentRuntimeOS(src types.Image, dest types.ImageD
 }
 
 // updateEmbeddedDockerReference handles the Docker reference embedded in Docker schema1 manifests.
-func updateEmbeddedDockerReference(manifestUpdates *types.ManifestUpdateOptions, dest types.ImageDestination, src types.Image, canModifyManifest bool) error {
-	destRef := dest.Reference().DockerReference()
+func (ic *imageCopier) updateEmbeddedDockerReference() error {
+	destRef := ic.c.dest.Reference().DockerReference()
 	if destRef == nil {
 		return nil // Destination does not care about Docker references
 	}
-	if !src.EmbeddedDockerReferenceConflicts(destRef) {
+	if !ic.src.EmbeddedDockerReferenceConflicts(destRef) {
 		return nil // No reference embedded in the manifest, or it matches destRef already.
 	}
 
-	if !canModifyManifest {
+	if !ic.canModifyManifest {
 		return errors.Errorf("Copying a schema1 image with an embedded Docker reference to %s (Docker reference %s) would invalidate existing signatures. Explicitly enable signature removal to proceed anyway",
-			transports.ImageName(dest.Reference()), destRef.String())
+			transports.ImageName(ic.c.dest.Reference()), destRef.String())
 	}
-	manifestUpdates.EmbeddedDockerReference = destRef
+	ic.manifestUpdates.EmbeddedDockerReference = destRef
 	return nil
 }
 
-// copyLayers copies layers from src/rawSource to dest, using and updating ic.manifestUpdates if necessary and ic.canModifyManifest.
+// copyLayers copies layers from ic.src/ic.c.rawSource to dest, using and updating ic.manifestUpdates if necessary and ic.canModifyManifest.
 func (ic *imageCopier) copyLayers() error {
 	srcInfos := ic.src.LayerInfos()
 	destInfos := []types.BlobInfo{}
 	diffIDs := []digest.Digest{}
-	updatedSrcInfos := ic.src.UpdatedLayerInfos()
-	srcInfosUpdated := false
-	if updatedSrcInfos != nil && !reflect.DeepEqual(srcInfos, updatedSrcInfos) {
-		if !ic.canModifyManifest {
-			return errors.Errorf("Internal error: copyLayers() needs to use an updated manifest but that was known to be forbidden")
-		}
-		srcInfos = updatedSrcInfos
-		srcInfosUpdated = true
-	}
 	for _, srcLayer := range srcInfos {
 		var (
 			destInfo types.BlobInfo
 			diffID   digest.Digest
 			err      error
 		)
-		if ic.dest.AcceptsForeignLayerURLs() && len(srcLayer.URLs) != 0 {
+		if ic.c.dest.AcceptsForeignLayerURLs() && len(srcLayer.URLs) != 0 {
 			// DiffIDs are, currently, needed only when converting from schema1.
 			// In which case src.LayerInfos will not have URLs because schema1
 			// does not support them.
@@ -343,7 +382,7 @@ func (ic *imageCopier) copyLayers() error {
 				return errors.New("getting DiffID for foreign layers is unimplemented")
 			}
 			destInfo = srcLayer
-			fmt.Fprintf(ic.reportWriter, "Skipping foreign layer %q copy to %s\n", destInfo.Digest, ic.dest.Reference().Transport().Name())
+			ic.c.Printf("Skipping foreign layer %q copy to %s\n", destInfo.Digest, ic.c.dest.Reference().Transport().Name())
 		} else {
 			destInfo, diffID, err = ic.copyLayer(srcLayer)
 			if err != nil {
@@ -357,7 +396,7 @@ func (ic *imageCopier) copyLayers() error {
 	if ic.diffIDsAreNeeded {
 		ic.manifestUpdates.InformationOnly.LayerDiffIDs = diffIDs
 	}
-	if srcInfosUpdated || layerDigestsDiffer(srcInfos, destInfos) {
+	if layerDigestsDiffer(srcInfos, destInfos) {
 		ic.manifestUpdates.LayerInfos = destInfos
 	}
 	return nil
@@ -388,7 +427,7 @@ func (ic *imageCopier) copyUpdatedConfigAndManifest() ([]byte, error) {
 			// We have set ic.diffIDsAreNeeded based on the preferred MIME type returned by determineManifestConversion.
 			// So, this can only happen if we are trying to upload using one of the other MIME type candidates.
 			// Because UpdatedImageNeedsLayerDiffIDs is true only when converting from s1 to s2, this case should only arise
-			// when ic.dest.SupportedManifestMIMETypes() includes both s1 and s2, the upload using s1 failed, and we are now trying s2.
+			// when ic.c.dest.SupportedManifestMIMETypes() includes both s1 and s2, the upload using s1 failed, and we are now trying s2.
 			// Supposedly s2-only registries do not exist or are extremely rare, so failing with this error message is good enough for now.
 			// If handling such registries turns out to be necessary, we could compute ic.diffIDsAreNeeded based on the full list of manifest MIME type candidates.
 			return nil, errors.Errorf("Can not convert image to %s, preparing DiffIDs for this case is not supported", ic.manifestUpdates.ManifestMIMEType)
@@ -404,27 +443,27 @@ func (ic *imageCopier) copyUpdatedConfigAndManifest() ([]byte, error) {
 		return nil, errors.Wrap(err, "Error reading manifest")
 	}
 
-	if err := ic.copyConfig(pendingImage); err != nil {
+	if err := ic.c.copyConfig(pendingImage); err != nil {
 		return nil, err
 	}
 
-	fmt.Fprintf(ic.reportWriter, "Writing manifest to image destination\n")
-	if err := ic.dest.PutManifest(manifest); err != nil {
+	ic.c.Printf("Writing manifest to image destination\n")
+	if err := ic.c.dest.PutManifest(manifest); err != nil {
 		return nil, errors.Wrap(err, "Error writing manifest")
 	}
 	return manifest, nil
 }
 
 // copyConfig copies config.json, if any, from src to dest.
-func (ic *imageCopier) copyConfig(src types.Image) error {
+func (c *copier) copyConfig(src types.Image) error {
 	srcInfo := src.ConfigInfo()
 	if srcInfo.Digest != "" {
-		fmt.Fprintf(ic.reportWriter, "Copying config %s\n", srcInfo.Digest)
+		c.Printf("Copying config %s\n", srcInfo.Digest)
 		configBlob, err := src.ConfigBlob()
 		if err != nil {
 			return errors.Wrapf(err, "Error reading config blob %s", srcInfo.Digest)
 		}
-		destInfo, err := ic.copyBlobFromStream(bytes.NewReader(configBlob), srcInfo, nil, false)
+		destInfo, err := c.copyBlobFromStream(bytes.NewReader(configBlob), srcInfo, nil, false)
 		if err != nil {
 			return err
 		}
@@ -446,12 +485,12 @@ type diffIDResult struct {
 // and returns a complete blobInfo of the copied layer, and a value for LayerDiffIDs if diffIDIsNeeded
 func (ic *imageCopier) copyLayer(srcInfo types.BlobInfo) (types.BlobInfo, digest.Digest, error) {
 	// Check if we already have a blob with this digest
-	haveBlob, extantBlobSize, err := ic.dest.HasBlob(srcInfo)
+	haveBlob, extantBlobSize, err := ic.c.dest.HasBlob(srcInfo)
 	if err != nil {
 		return types.BlobInfo{}, "", errors.Wrapf(err, "Error checking for blob %s at destination", srcInfo.Digest)
 	}
 	// If we already have a cached diffID for this blob, we don't need to compute it
-	diffIDIsNeeded := ic.diffIDsAreNeeded && (ic.cachedDiffIDs[srcInfo.Digest] == "")
+	diffIDIsNeeded := ic.diffIDsAreNeeded && (ic.c.cachedDiffIDs[srcInfo.Digest] == "")
 	// If we already have the blob, and we don't need to recompute the diffID, then we might be able to avoid reading it again
 	if haveBlob && !diffIDIsNeeded {
 		// Check the blob sizes match, if we were given a size this time
@@ -460,17 +499,17 @@ func (ic *imageCopier) copyLayer(srcInfo types.BlobInfo) (types.BlobInfo, digest
 		}
 		srcInfo.Size = extantBlobSize
 		// Tell the image destination that this blob's delta is being applied again.  For some image destinations, this can be faster than using GetBlob/PutBlob
-		blobinfo, err := ic.dest.ReapplyBlob(srcInfo)
+		blobinfo, err := ic.c.dest.ReapplyBlob(srcInfo)
 		if err != nil {
 			return types.BlobInfo{}, "", errors.Wrapf(err, "Error reapplying blob %s at destination", srcInfo.Digest)
 		}
-		fmt.Fprintf(ic.reportWriter, "Skipping fetch of repeat blob %s\n", srcInfo.Digest)
-		return blobinfo, ic.cachedDiffIDs[srcInfo.Digest], err
+		ic.c.Printf("Skipping fetch of repeat blob %s\n", srcInfo.Digest)
+		return blobinfo, ic.c.cachedDiffIDs[srcInfo.Digest], err
 	}
 
 	// Fallback: copy the layer, computing the diffID if we need to do so
-	fmt.Fprintf(ic.reportWriter, "Copying blob %s\n", srcInfo.Digest)
-	srcStream, srcBlobSize, err := ic.rawSource.GetBlob(srcInfo)
+	ic.c.Printf("Copying blob %s\n", srcInfo.Digest)
+	srcStream, srcBlobSize, err := ic.c.rawSource.GetBlob(srcInfo)
 	if err != nil {
 		return types.BlobInfo{}, "", errors.Wrapf(err, "Error reading blob %s", srcInfo.Digest)
 	}
@@ -488,7 +527,7 @@ func (ic *imageCopier) copyLayer(srcInfo types.BlobInfo) (types.BlobInfo, digest
 			return types.BlobInfo{}, "", errors.Wrap(diffIDResult.err, "Error computing layer DiffID")
 		}
 		logrus.Debugf("Computed DiffID %s for layer %s", diffIDResult.digest, srcInfo.Digest)
-		ic.cachedDiffIDs[srcInfo.Digest] = diffIDResult.digest
+		ic.c.cachedDiffIDs[srcInfo.Digest] = diffIDResult.digest
 	}
 	return blobInfo, diffIDResult.digest, nil
 }
@@ -522,7 +561,7 @@ func (ic *imageCopier) copyLayerFromStream(srcStream io.Reader, srcInfo types.Bl
 			return pipeWriter
 		}
 	}
-	blobInfo, err := ic.copyBlobFromStream(srcStream, srcInfo, getDiffIDRecorder, ic.canModifyManifest) // Sets err to nil on success
+	blobInfo, err := ic.c.copyBlobFromStream(srcStream, srcInfo, getDiffIDRecorder, ic.canModifyManifest) // Sets err to nil on success
 	return blobInfo, diffIDChan, err
 	// We need the defer … pipeWriter.CloseWithError() to happen HERE so that the caller can block on reading from diffIDChan
 }
@@ -556,7 +595,7 @@ func computeDiffID(stream io.Reader, decompressor compression.DecompressorFunc)
 // perhaps sending a copy to an io.Writer if getOriginalLayerCopyWriter != nil,
 // perhaps compressing it if canCompress,
 // and returns a complete blobInfo of the copied blob.
-func (ic *imageCopier) copyBlobFromStream(srcStream io.Reader, srcInfo types.BlobInfo,
+func (c *copier) copyBlobFromStream(srcStream io.Reader, srcInfo types.BlobInfo,
 	getOriginalLayerCopyWriter func(decompressor compression.DecompressorFunc) io.Writer,
 	canCompress bool) (types.BlobInfo, error) {
 	// The copying happens through a pipeline of connected io.Readers.
@@ -584,7 +623,7 @@ func (ic *imageCopier) copyBlobFromStream(srcStream io.Reader, srcInfo types.Blo
 
 	// === Report progress using a pb.Reader.
 	bar := pb.New(int(srcInfo.Size)).SetUnits(pb.U_BYTES)
-	bar.Output = ic.reportWriter
+	bar.Output = c.reportWriter
 	bar.SetMaxWidth(80)
 	bar.ShowTimeLeft = false
 	bar.ShowPercent = false
@@ -601,7 +640,7 @@ func (ic *imageCopier) copyBlobFromStream(srcStream io.Reader, srcInfo types.Blo
 
 	// === Compress the layer if it is uncompressed and compression is desired
 	var inputInfo types.BlobInfo
-	if !canCompress || isCompressed || !ic.dest.ShouldCompressLayers() {
+	if !canCompress || isCompressed || !c.dest.ShouldCompressLayers() {
 		logrus.Debugf("Using original blob without modification")
 		inputInfo = srcInfo
 	} else {
@@ -618,19 +657,19 @@ func (ic *imageCopier) copyBlobFromStream(srcStream io.Reader, srcInfo types.Blo
 		inputInfo.Size = -1
 	}
 
-	// === Report progress using the ic.progress channel, if required.
-	if ic.progress != nil && ic.progressInterval > 0 {
+	// === Report progress using the c.progress channel, if required.
+	if c.progress != nil && c.progressInterval > 0 {
 		destStream = &progressReader{
 			source:   destStream,
-			channel:  ic.progress,
-			interval: ic.progressInterval,
+			channel:  c.progress,
+			interval: c.progressInterval,
 			artifact: srcInfo,
 			lastTime: time.Now(),
 		}
 	}
 
 	// === Finally, send the layer stream to dest.
-	uploadedInfo, err := ic.dest.PutBlob(destStream, inputInfo)
+	uploadedInfo, err := c.dest.PutBlob(destStream, inputInfo)
 	if err != nil {
 		return types.BlobInfo{}, errors.Wrap(err, "Error writing blob")
 	}
diff --git a/vendor/github.com/containers/image/copy/manifest.go b/vendor/github.com/containers/image/copy/manifest.go
index e3b294dd1..7e4cd10ef 100644
--- a/vendor/github.com/containers/image/copy/manifest.go
+++ b/vendor/github.com/containers/image/copy/manifest.go
@@ -37,16 +37,20 @@ func (os *orderedSet) append(s string) {
 	}
 }
 
-// determineManifestConversion updates manifestUpdates to convert manifest to a supported MIME type, if necessary and canModifyManifest.
-// Note that the conversion will only happen later, through src.UpdatedImage
+// determineManifestConversion updates ic.manifestUpdates to convert manifest to a supported MIME type, if necessary and ic.canModifyManifest.
+// Note that the conversion will only happen later, through ic.src.UpdatedImage
 // Returns the preferred manifest MIME type (whether we are converting to it or using it unmodified),
 // and a list of other possible alternatives, in order.
-func determineManifestConversion(manifestUpdates *types.ManifestUpdateOptions, src types.Image, destSupportedManifestMIMETypes []string, canModifyManifest bool) (string, []string, error) {
-	_, srcType, err := src.Manifest()
+func (ic *imageCopier) determineManifestConversion(destSupportedManifestMIMETypes []string, forceManifestMIMEType string) (string, []string, error) {
+	_, srcType, err := ic.src.Manifest()
 	if err != nil { // This should have been cached?!
 		return "", nil, errors.Wrap(err, "Error reading manifest")
 	}
 
+	if forceManifestMIMEType != "" {
+		destSupportedManifestMIMETypes = []string{forceManifestMIMEType}
+	}
+
 	if len(destSupportedManifestMIMETypes) == 0 {
 		return srcType, []string{}, nil // Anything goes; just use the original as is, do not try any conversions.
 	}
@@ -67,10 +71,10 @@ func determineManifestConversion(manifestUpdates *types.ManifestUpdateOptions, s
 	if _, ok := supportedByDest[srcType]; ok {
 		prioritizedTypes.append(srcType)
 	}
-	if !canModifyManifest {
-		// We could also drop the !canModifyManifest parameter and have the caller
+	if !ic.canModifyManifest {
+		// We could also drop the !ic.canModifyManifest check and have the caller
 		// make the choice; it is already doing that to an extent, to improve error
-		// messages.  But it is nice to hide the “if !canModifyManifest, do no conversion”
+		// messages.  But it is nice to hide the “if !ic.canModifyManifest, do no conversion”
 		// special case in here; the caller can then worry (or not) only about a good UI.
 		logrus.Debugf("We can't modify the manifest, hoping for the best...")
 		return srcType, []string{}, nil // Take our chances - FIXME? Or should we fail without trying?
@@ -94,9 +98,18 @@ func determineManifestConversion(manifestUpdates *types.ManifestUpdateOptions, s
 	}
 	preferredType := prioritizedTypes.list[0]
 	if preferredType != srcType {
-		manifestUpdates.ManifestMIMEType = preferredType
+		ic.manifestUpdates.ManifestMIMEType = preferredType
 	} else {
 		logrus.Debugf("... will first try using the original manifest unmodified")
 	}
 	return preferredType, prioritizedTypes.list[1:], nil
 }
+
+// isMultiImage returns true if img is a list of images
+func isMultiImage(img types.UnparsedImage) (bool, error) {
+	_, mt, err := img.Manifest()
+	if err != nil {
+		return false, err
+	}
+	return manifest.MIMETypeIsMultiImage(mt), nil
+}
diff --git a/vendor/github.com/containers/image/copy/sign.go b/vendor/github.com/containers/image/copy/sign.go
index 9187d70b3..91394d2b0 100644
--- a/vendor/github.com/containers/image/copy/sign.go
+++ b/vendor/github.com/containers/image/copy/sign.go
@@ -1,17 +1,13 @@
 package copy
 
 import (
-	"fmt"
-	"io"
-
 	"github.com/containers/image/signature"
 	"github.com/containers/image/transports"
-	"github.com/containers/image/types"
 	"github.com/pkg/errors"
 )
 
-// createSignature creates a new signature of manifest at (identified by) dest using keyIdentity.
-func createSignature(dest types.ImageDestination, manifest []byte, keyIdentity string, reportWriter io.Writer) ([]byte, error) {
+// createSignature creates a new signature of manifest using keyIdentity.
+func (c *copier) createSignature(manifest []byte, keyIdentity string) ([]byte, error) {
 	mech, err := signature.NewGPGSigningMechanism()
 	if err != nil {
 		return nil, errors.Wrap(err, "Error initializing GPG")
@@ -21,12 +17,12 @@ func createSignature(dest types.ImageDestination, manifest []byte, keyIdentity s
 		return nil, errors.Wrap(err, "Signing not supported")
 	}
 
-	dockerReference := dest.Reference().DockerReference()
+	dockerReference := c.dest.Reference().DockerReference()
 	if dockerReference == nil {
-		return nil, errors.Errorf("Cannot determine canonical Docker reference for destination %s", transports.ImageName(dest.Reference()))
+		return nil, errors.Errorf("Cannot determine canonical Docker reference for destination %s", transports.ImageName(c.dest.Reference()))
 	}
 
-	fmt.Fprintf(reportWriter, "Signing manifest\n")
+	c.Printf("Signing manifest\n")
 	newSig, err := signature.SignDockerManifest(manifest, dockerReference.String(), mech, keyIdentity)
 	if err != nil {
 		return nil, errors.Wrap(err, "Error creating signature")
diff --git a/vendor/github.com/containers/image/directory/directory_dest.go b/vendor/github.com/containers/image/directory/directory_dest.go
index ea46a27ed..47d59d9fe 100644
--- a/vendor/github.com/containers/image/directory/directory_dest.go
+++ b/vendor/github.com/containers/image/directory/directory_dest.go
@@ -4,19 +4,77 @@ import (
 	"io"
 	"io/ioutil"
 	"os"
+	"path/filepath"
 
 	"github.com/containers/image/types"
 	"github.com/opencontainers/go-digest"
 	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
 )
 
+const version = "Directory Transport Version: 1.0\n"
+
+// ErrNotContainerImageDir indicates that the directory doesn't match the expected contents of a directory created
+// using the 'dir' transport
+var ErrNotContainerImageDir = errors.New("not a containers image directory, don't want to overwrite important data")
+
 type dirImageDestination struct {
-	ref dirReference
+	ref      dirReference
+	compress bool
 }
 
-// newImageDestination returns an ImageDestination for writing to an existing directory.
-func newImageDestination(ref dirReference) types.ImageDestination {
-	return &dirImageDestination{ref}
+// newImageDestination returns an ImageDestination for writing to a directory.
+func newImageDestination(ref dirReference, compress bool) (types.ImageDestination, error) {
+	d := &dirImageDestination{ref: ref, compress: compress}
+
+	// If directory exists check if it is empty
+	// if not empty, check whether the contents match that of a container image directory and overwrite the contents
+	// if the contents don't match throw an error
+	dirExists, err := pathExists(d.ref.resolvedPath)
+	if err != nil {
+		return nil, errors.Wrapf(err, "error checking for path %q", d.ref.resolvedPath)
+	}
+	if dirExists {
+		isEmpty, err := isDirEmpty(d.ref.resolvedPath)
+		if err != nil {
+			return nil, err
+		}
+
+		if !isEmpty {
+			versionExists, err := pathExists(d.ref.versionPath())
+			if err != nil {
+				return nil, errors.Wrapf(err, "error checking if path exists %q", d.ref.versionPath())
+			}
+			if versionExists {
+				contents, err := ioutil.ReadFile(d.ref.versionPath())
+				if err != nil {
+					return nil, err
+				}
+				// check if contents of version file is what we expect it to be
+				if string(contents) != version {
+					return nil, ErrNotContainerImageDir
+				}
+			} else {
+				return nil, ErrNotContainerImageDir
+			}
+			// delete directory contents so that only one image is in the directory at a time
+			if err = removeDirContents(d.ref.resolvedPath); err != nil {
+				return nil, errors.Wrapf(err, "error erasing contents in %q", d.ref.resolvedPath)
+			}
+			logrus.Debugf("overwriting existing container image directory %q", d.ref.resolvedPath)
+		}
+	} else {
+		// create directory if it doesn't exist
+		if err := os.MkdirAll(d.ref.resolvedPath, 0755); err != nil {
+			return nil, errors.Wrapf(err, "unable to create directory %q", d.ref.resolvedPath)
+		}
+	}
+	// create version file
+	err = ioutil.WriteFile(d.ref.versionPath(), []byte(version), 0755)
+	if err != nil {
+		return nil, errors.Wrapf(err, "error creating version file %q", d.ref.versionPath())
+	}
+	return d, nil
 }
 
 // Reference returns the reference used to set up this destination.  Note that this should directly correspond to user's intent,
@@ -42,7 +100,7 @@ func (d *dirImageDestination) SupportsSignatures() error {
 
 // ShouldCompressLayers returns true iff it is desirable to compress layer blobs written to this destination.
 func (d *dirImageDestination) ShouldCompressLayers() bool {
-	return false
+	return d.compress
 }
 
 // AcceptsForeignLayerURLs returns false iff foreign layers in manifest should be actually
@@ -147,3 +205,39 @@ func (d *dirImageDestination) PutSignatures(signatures [][]byte) error {
 func (d *dirImageDestination) Commit() error {
 	return nil
 }
+
+// returns true if path exists
+func pathExists(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if err != nil && os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}
+
+// returns true if directory is empty
+func isDirEmpty(path string) (bool, error) {
+	files, err := ioutil.ReadDir(path)
+	if err != nil {
+		return false, err
+	}
+	return len(files) == 0, nil
+}
+
+// deletes the contents of a directory
+func removeDirContents(path string) error {
+	files, err := ioutil.ReadDir(path)
+	if err != nil {
+		return err
+	}
+
+	for _, file := range files {
+		if err := os.RemoveAll(filepath.Join(path, file.Name())); err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/vendor/github.com/containers/image/directory/directory_src.go b/vendor/github.com/containers/image/directory/directory_src.go
index 705e289b4..b362f5422 100644
--- a/vendor/github.com/containers/image/directory/directory_src.go
+++ b/vendor/github.com/containers/image/directory/directory_src.go
@@ -35,7 +35,12 @@ func (s *dirImageSource) Close() error {
 
 // GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
 // It may use a remote (= slow) service.
-func (s *dirImageSource) GetManifest() ([]byte, string, error) {
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (s *dirImageSource) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
+	if instanceDigest != nil {
+		return nil, "", errors.Errorf(`Getting target manifest not supported by "dir:"`)
+	}
 	m, err := ioutil.ReadFile(s.ref.manifestPath())
 	if err != nil {
 		return nil, "", err
@@ -43,10 +48,6 @@ func (s *dirImageSource) GetManifest() ([]byte, string, error) {
 	return m, manifest.GuessMIMEType(m), err
 }
 
-func (s *dirImageSource) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
-	return nil, "", errors.Errorf(`Getting target manifest not supported by "dir:"`)
-}
-
 // GetBlob returns a stream for the specified blob, and the blob’s size (or -1 if unknown).
 func (s *dirImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int64, error) {
 	r, err := os.Open(s.ref.layerPath(info.Digest))
@@ -60,7 +61,14 @@ func (s *dirImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int64, err
 	return r, fi.Size(), nil
 }
 
-func (s *dirImageSource) GetSignatures(ctx context.Context) ([][]byte, error) {
+// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (s *dirImageSource) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	if instanceDigest != nil {
+		return nil, errors.Errorf(`Manifests lists are not supported by "dir:"`)
+	}
 	signatures := [][]byte{}
 	for i := 0; ; i++ {
 		signature, err := ioutil.ReadFile(s.ref.signaturePath(i))
@@ -74,8 +82,3 @@ func (s *dirImageSource) GetSignatures(ctx context.Context) ([][]byte, error) {
 	}
 	return signatures, nil
 }
-
-// UpdatedLayerInfos() returns updated layer info that should be used when reading, in preference to values in the manifest, if specified.
-func (s *dirImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	return nil
-}
diff --git a/vendor/github.com/containers/image/directory/directory_transport.go b/vendor/github.com/containers/image/directory/directory_transport.go
index b9ce01a2e..c38753087 100644
--- a/vendor/github.com/containers/image/directory/directory_transport.go
+++ b/vendor/github.com/containers/image/directory/directory_transport.go
@@ -134,13 +134,14 @@ func (ref dirReference) PolicyConfigurationNamespaces() []string {
 	return res
 }
 
-// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-// The caller must call .Close() on the returned Image.
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
 // NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 // verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
-func (ref dirReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (ref dirReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	src := newImageSource(ref)
-	return image.FromSource(src)
+	return image.FromSource(ctx, src)
 }
 
 // NewImageSource returns a types.ImageSource for this reference.
@@ -152,7 +153,11 @@ func (ref dirReference) NewImageSource(ctx *types.SystemContext) (types.ImageSou
 // NewImageDestination returns a types.ImageDestination for this reference.
 // The caller must call .Close() on the returned ImageDestination.
 func (ref dirReference) NewImageDestination(ctx *types.SystemContext) (types.ImageDestination, error) {
-	return newImageDestination(ref), nil
+	compress := false
+	if ctx != nil {
+		compress = ctx.DirForceCompress
+	}
+	return newImageDestination(ref, compress)
 }
 
 // DeleteImage deletes the named image from the registry, if supported.
@@ -175,3 +180,8 @@ func (ref dirReference) layerPath(digest digest.Digest) string {
 func (ref dirReference) signaturePath(index int) string {
 	return filepath.Join(ref.path, fmt.Sprintf("signature-%d", index+1))
 }
+
+// versionPath returns a path for the version file within a directory using our conventions.
+func (ref dirReference) versionPath() string {
+	return filepath.Join(ref.path, "version")
+}
diff --git a/vendor/github.com/containers/image/docker/archive/src.go b/vendor/github.com/containers/image/docker/archive/src.go
index b9941dfc9..aebcaa82a 100644
--- a/vendor/github.com/containers/image/docker/archive/src.go
+++ b/vendor/github.com/containers/image/docker/archive/src.go
@@ -34,8 +34,3 @@ func (s *archiveImageSource) Reference() types.ImageReference {
 func (s *archiveImageSource) Close() error {
 	return nil
 }
-
-// UpdatedLayerInfos() returns updated layer info that should be used when reading, in preference to values in the manifest, if specified.
-func (s *archiveImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	return nil
-}
diff --git a/vendor/github.com/containers/image/docker/archive/transport.go b/vendor/github.com/containers/image/docker/archive/transport.go
index f38d4aced..047df73db 100644
--- a/vendor/github.com/containers/image/docker/archive/transport.go
+++ b/vendor/github.com/containers/image/docker/archive/transport.go
@@ -125,13 +125,14 @@ func (ref archiveReference) PolicyConfigurationNamespaces() []string {
 	return []string{}
 }
 
-// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-// The caller must call .Close() on the returned Image.
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
 // NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 // verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
-func (ref archiveReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (ref archiveReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	src := newImageSource(ctx, ref)
-	return ctrImage.FromSource(src)
+	return ctrImage.FromSource(ctx, src)
 }
 
 // NewImageSource returns a types.ImageSource for this reference.
diff --git a/vendor/github.com/containers/image/docker/daemon/client.go b/vendor/github.com/containers/image/docker/daemon/client.go
new file mode 100644
index 000000000..82fab4b19
--- /dev/null
+++ b/vendor/github.com/containers/image/docker/daemon/client.go
@@ -0,0 +1,69 @@
+package daemon
+
+import (
+	"net/http"
+	"path/filepath"
+
+	"github.com/containers/image/types"
+	dockerclient "github.com/docker/docker/client"
+	"github.com/docker/go-connections/tlsconfig"
+)
+
+const (
+	// The default API version to be used in case none is explicitly specified
+	defaultAPIVersion = "1.22"
+)
+
+// NewDockerClient initializes a new API client based on the passed SystemContext.
+func newDockerClient(ctx *types.SystemContext) (*dockerclient.Client, error) {
+	host := dockerclient.DefaultDockerHost
+	if ctx != nil && ctx.DockerDaemonHost != "" {
+		host = ctx.DockerDaemonHost
+	}
+
+	// Sadly, unix:// sockets don't work transparently with dockerclient.NewClient.
+	// They work fine with a nil httpClient; with a non-nil httpClient, the transport’s
+	// TLSClientConfig must be nil (or the client will try using HTTPS over the PF_UNIX socket
+	// regardless of the values in the *tls.Config), and we would have to call sockets.ConfigureTransport.
+	//
+	// We don't really want to configure anything for unix:// sockets, so just pass a nil *http.Client.
+	proto, _, _, err := dockerclient.ParseHost(host)
+	if err != nil {
+		return nil, err
+	}
+	var httpClient *http.Client
+	if proto != "unix" {
+		hc, err := tlsConfig(ctx)
+		if err != nil {
+			return nil, err
+		}
+		httpClient = hc
+	}
+
+	return dockerclient.NewClient(host, defaultAPIVersion, httpClient, nil)
+}
+
+func tlsConfig(ctx *types.SystemContext) (*http.Client, error) {
+	options := tlsconfig.Options{}
+	if ctx != nil && ctx.DockerDaemonInsecureSkipTLSVerify {
+		options.InsecureSkipVerify = true
+	}
+
+	if ctx != nil && ctx.DockerDaemonCertPath != "" {
+		options.CAFile = filepath.Join(ctx.DockerDaemonCertPath, "ca.pem")
+		options.CertFile = filepath.Join(ctx.DockerDaemonCertPath, "cert.pem")
+		options.KeyFile = filepath.Join(ctx.DockerDaemonCertPath, "key.pem")
+	}
+
+	tlsc, err := tlsconfig.Client(options)
+	if err != nil {
+		return nil, err
+	}
+
+	return &http.Client{
+		Transport: &http.Transport{
+			TLSClientConfig: tlsc,
+		},
+		CheckRedirect: dockerclient.CheckRedirect,
+	}, nil
+}
diff --git a/vendor/github.com/containers/image/docker/daemon/daemon_dest.go b/vendor/github.com/containers/image/docker/daemon/daemon_dest.go
index 559e5c71d..f73ac2339 100644
--- a/vendor/github.com/containers/image/docker/daemon/daemon_dest.go
+++ b/vendor/github.com/containers/image/docker/daemon/daemon_dest.go
@@ -14,6 +14,7 @@ import (
 
 type daemonImageDestination struct {
 	ref                  daemonReference
+	mustMatchRuntimeOS   bool
 	*tarfile.Destination // Implements most of types.ImageDestination
 	// For talking to imageLoadGoroutine
 	goroutineCancel context.CancelFunc
@@ -24,7 +25,7 @@ type daemonImageDestination struct {
 }
 
 // newImageDestination returns a types.ImageDestination for the specified image reference.
-func newImageDestination(systemCtx *types.SystemContext, ref daemonReference) (types.ImageDestination, error) {
+func newImageDestination(ctx *types.SystemContext, ref daemonReference) (types.ImageDestination, error) {
 	if ref.ref == nil {
 		return nil, errors.Errorf("Invalid destination docker-daemon:%s: a destination must be a name:tag", ref.StringWithinTransport())
 	}
@@ -33,7 +34,12 @@ func newImageDestination(systemCtx *types.SystemContext, ref daemonReference) (t
 		return nil, errors.Errorf("Invalid destination docker-daemon:%s: a destination must be a name:tag", ref.StringWithinTransport())
 	}
 
-	c, err := client.NewClient(client.DefaultDockerHost, "1.22", nil, nil) // FIXME: overridable host
+	var mustMatchRuntimeOS = true
+	if ctx != nil && ctx.DockerDaemonHost != client.DefaultDockerHost {
+		mustMatchRuntimeOS = false
+	}
+
+	c, err := newDockerClient(ctx)
 	if err != nil {
 		return nil, errors.Wrap(err, "Error initializing docker engine client")
 	}
@@ -42,16 +48,17 @@ func newImageDestination(systemCtx *types.SystemContext, ref daemonReference) (t
 	// Commit() may never be called, so we may never read from this channel; so, make this buffered to allow imageLoadGoroutine to write status and terminate even if we never read it.
 	statusChannel := make(chan error, 1)
 
-	ctx, goroutineCancel := context.WithCancel(context.Background())
-	go imageLoadGoroutine(ctx, c, reader, statusChannel)
+	goroutineContext, goroutineCancel := context.WithCancel(context.Background())
+	go imageLoadGoroutine(goroutineContext, c, reader, statusChannel)
 
 	return &daemonImageDestination{
-		ref:             ref,
-		Destination:     tarfile.NewDestination(writer, namedTaggedRef),
-		goroutineCancel: goroutineCancel,
-		statusChannel:   statusChannel,
-		writer:          writer,
-		committed:       false,
+		ref:                ref,
+		mustMatchRuntimeOS: mustMatchRuntimeOS,
+		Destination:        tarfile.NewDestination(writer, namedTaggedRef),
+		goroutineCancel:    goroutineCancel,
+		statusChannel:      statusChannel,
+		writer:             writer,
+		committed:          false,
 	}, nil
 }
 
@@ -80,7 +87,7 @@ func imageLoadGoroutine(ctx context.Context, c *client.Client, reader *io.PipeRe
 
 // MustMatchRuntimeOS returns true iff the destination can store only images targeted for the current runtime OS. False otherwise.
 func (d *daemonImageDestination) MustMatchRuntimeOS() bool {
-	return true
+	return d.mustMatchRuntimeOS
 }
 
 // Close removes resources associated with an initialized ImageDestination, if any.
diff --git a/vendor/github.com/containers/image/docker/daemon/daemon_src.go b/vendor/github.com/containers/image/docker/daemon/daemon_src.go
index 3d059da93..3bd4ad26d 100644
--- a/vendor/github.com/containers/image/docker/daemon/daemon_src.go
+++ b/vendor/github.com/containers/image/docker/daemon/daemon_src.go
@@ -6,14 +6,12 @@ import (
 	"os"
 
 	"github.com/containers/image/docker/tarfile"
+	"github.com/containers/image/internal/tmpdir"
 	"github.com/containers/image/types"
-	"github.com/docker/docker/client"
 	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 )
 
-const temporaryDirectoryForBigFiles = "/var/tmp" // Do not use the system default of os.TempDir(), usually /tmp, because with systemd it could be a tmpfs.
-
 type daemonImageSource struct {
 	ref             daemonReference
 	*tarfile.Source // Implements most of types.ImageSource
@@ -35,7 +33,7 @@ type layerInfo struct {
 // is the config, and that the following len(RootFS) files are the layers, but that feels
 // way too brittle.)
 func newImageSource(ctx *types.SystemContext, ref daemonReference) (types.ImageSource, error) {
-	c, err := client.NewClient(client.DefaultDockerHost, "1.22", nil, nil) // FIXME: overridable host
+	c, err := newDockerClient(ctx)
 	if err != nil {
 		return nil, errors.Wrap(err, "Error initializing docker engine client")
 	}
@@ -48,7 +46,7 @@ func newImageSource(ctx *types.SystemContext, ref daemonReference) (types.ImageS
 	defer inputStream.Close()
 
 	// FIXME: use SystemContext here.
-	tarCopyFile, err := ioutil.TempFile(temporaryDirectoryForBigFiles, "docker-daemon-tar")
+	tarCopyFile, err := ioutil.TempFile(tmpdir.TemporaryDirectoryForBigFiles(), "docker-daemon-tar")
 	if err != nil {
 		return nil, err
 	}
@@ -83,8 +81,3 @@ func (s *daemonImageSource) Reference() types.ImageReference {
 func (s *daemonImageSource) Close() error {
 	return os.Remove(s.tarCopyPath)
 }
-
-// UpdatedLayerInfos() returns updated layer info that should be used when reading, in preference to values in the manifest, if specified.
-func (s *daemonImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	return nil
-}
diff --git a/vendor/github.com/containers/image/docker/daemon/daemon_transport.go b/vendor/github.com/containers/image/docker/daemon/daemon_transport.go
index 41be1b2db..8ad6b521f 100644
--- a/vendor/github.com/containers/image/docker/daemon/daemon_transport.go
+++ b/vendor/github.com/containers/image/docker/daemon/daemon_transport.go
@@ -151,14 +151,17 @@ func (ref daemonReference) PolicyConfigurationNamespaces() []string {
 	return []string{}
 }
 
-// NewImage returns a types.Image for this reference.
-// The caller must call .Close() on the returned Image.
-func (ref daemonReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
+// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
+// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (ref daemonReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	src, err := newImageSource(ctx, ref)
 	if err != nil {
 		return nil, err
 	}
-	return image.FromSource(src)
+	return image.FromSource(ctx, src)
 }
 
 // NewImageSource returns a types.ImageSource for this reference.
diff --git a/vendor/github.com/containers/image/docker/docker_image.go b/vendor/github.com/containers/image/docker/docker_image.go
index 8be35b735..2148ed8ba 100644
--- a/vendor/github.com/containers/image/docker/docker_image.go
+++ b/vendor/github.com/containers/image/docker/docker_image.go
@@ -12,26 +12,26 @@ import (
 	"github.com/pkg/errors"
 )
 
-// Image is a Docker-specific implementation of types.Image with a few extra methods
+// Image is a Docker-specific implementation of types.ImageCloser with a few extra methods
 // which are specific to Docker.
 type Image struct {
-	types.Image
+	types.ImageCloser
 	src *dockerImageSource
 }
 
 // newImage returns a new Image interface type after setting up
 // a client to the registry hosting the given image.
 // The caller must call .Close() on the returned Image.
-func newImage(ctx *types.SystemContext, ref dockerReference) (types.Image, error) {
+func newImage(ctx *types.SystemContext, ref dockerReference) (types.ImageCloser, error) {
 	s, err := newImageSource(ctx, ref)
 	if err != nil {
 		return nil, err
 	}
-	img, err := image.FromSource(s)
+	img, err := image.FromSource(ctx, s)
 	if err != nil {
 		return nil, err
 	}
-	return &Image{Image: img, src: s}, nil
+	return &Image{ImageCloser: img, src: s}, nil
 }
 
 // SourceRefFullName returns a fully expanded name for the repository this image is in.
diff --git a/vendor/github.com/containers/image/docker/docker_image_dest.go b/vendor/github.com/containers/image/docker/docker_image_dest.go
index 32d5a18b1..79c386225 100644
--- a/vendor/github.com/containers/image/docker/docker_image_dest.go
+++ b/vendor/github.com/containers/image/docker/docker_image_dest.go
@@ -236,7 +236,7 @@ func (d *dockerImageDestination) PutManifest(m []byte) error {
 		return err
 	}
 	defer res.Body.Close()
-	if res.StatusCode != http.StatusCreated {
+	if !successStatus(res.StatusCode) {
 		err = errors.Wrapf(client.HandleErrorResponse(res), "Error uploading manifest to %s", path)
 		if isManifestInvalidError(errors.Cause(err)) {
 			err = types.ManifestTypeRejectedError{Err: err}
@@ -246,6 +246,12 @@ func (d *dockerImageDestination) PutManifest(m []byte) error {
 	return nil
 }
 
+// successStatus returns true if the argument is a successful HTTP response
+// code (in the range 200 - 399 inclusive).
+func successStatus(status int) bool {
+	return status >= 200 && status <= 399
+}
+
 // isManifestInvalidError returns true iff err from client.HandleErrorReponse is a “manifest invalid” error.
 func isManifestInvalidError(err error) bool {
 	errors, ok := err.(errcode.Errors)
diff --git a/vendor/github.com/containers/image/docker/docker_image_src.go b/vendor/github.com/containers/image/docker/docker_image_src.go
index 14e3c2b50..259de0db1 100644
--- a/vendor/github.com/containers/image/docker/docker_image_src.go
+++ b/vendor/github.com/containers/image/docker/docker_image_src.go
@@ -52,11 +52,6 @@ func (s *dockerImageSource) Close() error {
 	return nil
 }
 
-// UpdatedLayerInfos() returns updated layer info that should be used when reading, in preference to values in the manifest, if specified.
-func (s *dockerImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	return nil
-}
-
 // simplifyContentType drops parameters from a HTTP media type (see https://tools.ietf.org/html/rfc7231#section-3.1.1.1)
 // Alternatively, an empty string is returned unchanged, and invalid values are "simplified" to an empty string.
 func simplifyContentType(contentType string) string {
@@ -72,7 +67,12 @@ func simplifyContentType(contentType string) string {
 
 // GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
 // It may use a remote (= slow) service.
-func (s *dockerImageSource) GetManifest() ([]byte, string, error) {
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (s *dockerImageSource) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
+	if instanceDigest != nil {
+		return s.fetchManifest(context.TODO(), instanceDigest.String())
+	}
 	err := s.ensureManifestIsLoaded(context.TODO())
 	if err != nil {
 		return nil, "", err
@@ -99,18 +99,12 @@ func (s *dockerImageSource) fetchManifest(ctx context.Context, tagOrDigest strin
 	return manblob, simplifyContentType(res.Header.Get("Content-Type")), nil
 }
 
-// GetTargetManifest returns an image's manifest given a digest.
-// This is mainly used to retrieve a single image's manifest out of a manifest list.
-func (s *dockerImageSource) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
-	return s.fetchManifest(context.TODO(), digest.String())
-}
-
 // ensureManifestIsLoaded sets s.cachedManifest and s.cachedManifestMIMEType
 //
 // ImageSource implementations are not required or expected to do any caching,
 // but because our signatures are “attached” to the manifest digest,
-// we need to ensure that the digest of the manifest returned by GetManifest
-// and used by GetSignatures are consistent, otherwise we would get spurious
+// we need to ensure that the digest of the manifest returned by GetManifest(nil)
+// and used by GetSignatures(ctx, nil) are consistent, otherwise we would get spurious
 // signature verification failures when pulling while a tag is being updated.
 func (s *dockerImageSource) ensureManifestIsLoaded(ctx context.Context) error {
 	if s.cachedManifest != nil {
@@ -181,22 +175,30 @@ func (s *dockerImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int64,
 	return res.Body, getBlobSize(res), nil
 }
 
-func (s *dockerImageSource) GetSignatures(ctx context.Context) ([][]byte, error) {
+// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (s *dockerImageSource) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
 	if err := s.c.detectProperties(ctx); err != nil {
 		return nil, err
 	}
 	switch {
 	case s.c.signatureBase != nil:
-		return s.getSignaturesFromLookaside(ctx)
+		return s.getSignaturesFromLookaside(ctx, instanceDigest)
 	case s.c.supportsSignatures:
-		return s.getSignaturesFromAPIExtension(ctx)
+		return s.getSignaturesFromAPIExtension(ctx, instanceDigest)
 	default:
 		return [][]byte{}, nil
 	}
 }
 
-// manifestDigest returns a digest of the manifest, either from the supplied reference or from a fetched manifest.
-func (s *dockerImageSource) manifestDigest(ctx context.Context) (digest.Digest, error) {
+// manifestDigest returns a digest of the manifest, from instanceDigest if non-nil; or from the supplied reference,
+// or finally, from a fetched manifest.
+func (s *dockerImageSource) manifestDigest(ctx context.Context, instanceDigest *digest.Digest) (digest.Digest, error) {
+	if instanceDigest != nil {
+		return *instanceDigest, nil
+	}
 	if digested, ok := s.ref.ref.(reference.Digested); ok {
 		d := digested.Digest()
 		if d.Algorithm() == digest.Canonical {
@@ -211,8 +213,8 @@ func (s *dockerImageSource) manifestDigest(ctx context.Context) (digest.Digest,
 
 // getSignaturesFromLookaside implements GetSignatures() from the lookaside location configured in s.c.signatureBase,
 // which is not nil.
-func (s *dockerImageSource) getSignaturesFromLookaside(ctx context.Context) ([][]byte, error) {
-	manifestDigest, err := s.manifestDigest(ctx)
+func (s *dockerImageSource) getSignaturesFromLookaside(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	manifestDigest, err := s.manifestDigest(ctx, instanceDigest)
 	if err != nil {
 		return nil, err
 	}
@@ -281,8 +283,8 @@ func (s *dockerImageSource) getOneSignature(ctx context.Context, url *url.URL) (
 }
 
 // getSignaturesFromAPIExtension implements GetSignatures() using the X-Registry-Supports-Signatures API extension.
-func (s *dockerImageSource) getSignaturesFromAPIExtension(ctx context.Context) ([][]byte, error) {
-	manifestDigest, err := s.manifestDigest(ctx)
+func (s *dockerImageSource) getSignaturesFromAPIExtension(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	manifestDigest, err := s.manifestDigest(ctx, instanceDigest)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/github.com/containers/image/docker/docker_transport.go b/vendor/github.com/containers/image/docker/docker_transport.go
index 1d67cc4fc..cc0aa298a 100644
--- a/vendor/github.com/containers/image/docker/docker_transport.go
+++ b/vendor/github.com/containers/image/docker/docker_transport.go
@@ -122,11 +122,12 @@ func (ref dockerReference) PolicyConfigurationNamespaces() []string {
 	return policyconfiguration.DockerReferenceNamespaces(ref.ref)
 }
 
-// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-// The caller must call .Close() on the returned Image.
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
 // NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 // verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
-func (ref dockerReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (ref dockerReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	return newImage(ctx, ref)
 }
 
diff --git a/vendor/github.com/containers/image/docker/tarfile/dest.go b/vendor/github.com/containers/image/docker/tarfile/dest.go
index aab4a6d91..6e042582e 100644
--- a/vendor/github.com/containers/image/docker/tarfile/dest.go
+++ b/vendor/github.com/containers/image/docker/tarfile/dest.go
@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"github.com/containers/image/docker/reference"
+	"github.com/containers/image/internal/tmpdir"
 	"github.com/containers/image/manifest"
 	"github.com/containers/image/types"
 	"github.com/opencontainers/go-digest"
@@ -18,8 +19,6 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-const temporaryDirectoryForBigFiles = "/var/tmp" // Do not use the system default of os.TempDir(), usually /tmp, because with systemd it could be a tmpfs.
-
 // Destination is a partial implementation of types.ImageDestination for writing to an io.Writer.
 type Destination struct {
 	writer  io.Writer
@@ -107,7 +106,7 @@ func (d *Destination) PutBlob(stream io.Reader, inputInfo types.BlobInfo) (types
 
 	if inputInfo.Size == -1 { // Ouch, we need to stream the blob into a temporary file just to determine the size.
 		logrus.Debugf("docker tarfile: input with unknown size, streaming to disk first ...")
-		streamCopy, err := ioutil.TempFile(temporaryDirectoryForBigFiles, "docker-tarfile-blob")
+		streamCopy, err := ioutil.TempFile(tmpdir.TemporaryDirectoryForBigFiles(), "docker-tarfile-blob")
 		if err != nil {
 			return types.BlobInfo{}, err
 		}
@@ -168,7 +167,7 @@ func (d *Destination) ReapplyBlob(info types.BlobInfo) (types.BlobInfo, error) {
 func (d *Destination) PutManifest(m []byte) error {
 	// We do not bother with types.ManifestTypeRejectedError; our .SupportedManifestMIMETypes() above is already providing only one alternative,
 	// so the caller trying a different manifest kind would be pointless.
-	var man manifest.Schema2
+	var man schema2Manifest
 	if err := json.Unmarshal(m, &man); err != nil {
 		return errors.Wrap(err, "Error parsing manifest")
 	}
@@ -177,12 +176,12 @@ func (d *Destination) PutManifest(m []byte) error {
 	}
 
 	layerPaths := []string{}
-	for _, l := range man.LayersDescriptors {
+	for _, l := range man.Layers {
 		layerPaths = append(layerPaths, l.Digest.String())
 	}
 
 	items := []ManifestItem{{
-		Config:       man.ConfigDescriptor.Digest.String(),
+		Config:       man.Config.Digest.String(),
 		RepoTags:     []string{d.repoTag},
 		Layers:       layerPaths,
 		Parent:       "",
diff --git a/vendor/github.com/containers/image/docker/tarfile/src.go b/vendor/github.com/containers/image/docker/tarfile/src.go
index 34d5ff32a..e2252c640 100644
--- a/vendor/github.com/containers/image/docker/tarfile/src.go
+++ b/vendor/github.com/containers/image/docker/tarfile/src.go
@@ -249,27 +249,33 @@ func (s *Source) prepareLayerData(tarManifest *ManifestItem, parsedConfig *image
 
 // GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
 // It may use a remote (= slow) service.
-func (s *Source) GetManifest() ([]byte, string, error) {
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (s *Source) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
+	if instanceDigest != nil {
+		// How did we even get here? GetManifest(nil) has returned a manifest.DockerV2Schema2MediaType.
+		return nil, "", errors.Errorf(`Manifest lists are not supported by "docker-daemon:"`)
+	}
 	if s.generatedManifest == nil {
 		if err := s.ensureCachedDataIsPresent(); err != nil {
 			return nil, "", err
 		}
-		m := manifest.Schema2{
+		m := schema2Manifest{
 			SchemaVersion: 2,
 			MediaType:     manifest.DockerV2Schema2MediaType,
-			ConfigDescriptor: manifest.Schema2Descriptor{
+			Config: distributionDescriptor{
 				MediaType: manifest.DockerV2Schema2ConfigMediaType,
 				Size:      int64(len(s.configBytes)),
 				Digest:    s.configDigest,
 			},
-			LayersDescriptors: []manifest.Schema2Descriptor{},
+			Layers: []distributionDescriptor{},
 		}
 		for _, diffID := range s.orderedDiffIDList {
 			li, ok := s.knownLayers[diffID]
 			if !ok {
 				return nil, "", errors.Errorf("Internal inconsistency: Information about layer %s missing", diffID)
 			}
-			m.LayersDescriptors = append(m.LayersDescriptors, manifest.Schema2Descriptor{
+			m.Layers = append(m.Layers, distributionDescriptor{
 				Digest:    digest.Digest(diffID), // diffID is a digest of the uncompressed tarball
 				MediaType: manifest.DockerV2Schema2LayerMediaType,
 				Size:      li.size,
@@ -284,13 +290,6 @@ func (s *Source) GetManifest() ([]byte, string, error) {
 	return s.generatedManifest, manifest.DockerV2Schema2MediaType, nil
 }
 
-// GetTargetManifest returns an image's manifest given a digest. This is mainly used to retrieve a single image's manifest
-// out of a manifest list.
-func (s *Source) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
-	// How did we even get here? GetManifest() above has returned a manifest.DockerV2Schema2MediaType.
-	return nil, "", errors.Errorf(`Manifest lists are not supported by "docker-daemon:"`)
-}
-
 type readCloseWrapper struct {
 	io.Reader
 	closeFunc func() error
@@ -355,6 +354,13 @@ func (s *Source) GetBlob(info types.BlobInfo) (io.ReadCloser, int64, error) {
 }
 
 // GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
-func (s *Source) GetSignatures(ctx context.Context) ([][]byte, error) {
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (s *Source) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	if instanceDigest != nil {
+		// How did we even get here? GetManifest(nil) has returned a manifest.DockerV2Schema2MediaType.
+		return nil, errors.Errorf(`Manifest lists are not supported by "docker-daemon:"`)
+	}
 	return [][]byte{}, nil
 }
diff --git a/vendor/github.com/containers/image/docker/tarfile/types.go b/vendor/github.com/containers/image/docker/tarfile/types.go
index 4780d66c6..f16cc8c62 100644
--- a/vendor/github.com/containers/image/docker/tarfile/types.go
+++ b/vendor/github.com/containers/image/docker/tarfile/types.go
@@ -1,9 +1,6 @@
 package tarfile
 
-import (
-	"github.com/containers/image/manifest"
-	"github.com/opencontainers/go-digest"
-)
+import "github.com/opencontainers/go-digest"
 
 // Various data structures.
 
@@ -21,13 +18,30 @@ type ManifestItem struct {
 	Config       string
 	RepoTags     []string
 	Layers       []string
-	Parent       imageID                               `json:",omitempty"`
-	LayerSources map[diffID]manifest.Schema2Descriptor `json:",omitempty"`
+	Parent       imageID                           `json:",omitempty"`
+	LayerSources map[diffID]distributionDescriptor `json:",omitempty"`
 }
 
 type imageID string
 type diffID digest.Digest
 
+// Based on github.com/docker/distribution/blobs.go
+type distributionDescriptor struct {
+	MediaType string        `json:"mediaType,omitempty"`
+	Size      int64         `json:"size,omitempty"`
+	Digest    digest.Digest `json:"digest,omitempty"`
+	URLs      []string      `json:"urls,omitempty"`
+}
+
+// Based on github.com/docker/distribution/manifest/schema2/manifest.go
+// FIXME: We are repeating this all over the place; make a public copy?
+type schema2Manifest struct {
+	SchemaVersion int                      `json:"schemaVersion"`
+	MediaType     string                   `json:"mediaType,omitempty"`
+	Config        distributionDescriptor   `json:"config"`
+	Layers        []distributionDescriptor `json:"layers"`
+}
+
 // Based on github.com/docker/docker/image/image.go
 // MOST CONTENT OMITTED AS UNNECESSARY
 type image struct {
diff --git a/vendor/github.com/containers/image/image/docker_list.go b/vendor/github.com/containers/image/image/docker_list.go
index 4b152d261..53af9fbd7 100644
--- a/vendor/github.com/containers/image/image/docker_list.go
+++ b/vendor/github.com/containers/image/image/docker_list.go
@@ -2,6 +2,7 @@ package image
 
 import (
 	"encoding/json"
+	"fmt"
 	"runtime"
 
 	"github.com/containers/image/manifest"
@@ -21,7 +22,7 @@ type platformSpec struct {
 
 // A manifestDescriptor references a platform-specific manifest.
 type manifestDescriptor struct {
-	manifest.Schema2Descriptor
+	descriptor
 	Platform platformSpec `json:"platform"`
 }
 
@@ -31,22 +32,36 @@ type manifestList struct {
 	Manifests     []manifestDescriptor `json:"manifests"`
 }
 
-func manifestSchema2FromManifestList(src types.ImageSource, manblob []byte) (genericManifest, error) {
+// chooseDigestFromManifestList parses blob as a schema2 manifest list,
+// and returns the digest of the image appropriate for the current environment.
+func chooseDigestFromManifestList(ctx *types.SystemContext, blob []byte) (digest.Digest, error) {
+	wantedArch := runtime.GOARCH
+	if ctx != nil && ctx.ArchitectureChoice != "" {
+		wantedArch = ctx.ArchitectureChoice
+	}
+	wantedOS := runtime.GOOS
+	if ctx != nil && ctx.OSChoice != "" {
+		wantedOS = ctx.OSChoice
+	}
+
 	list := manifestList{}
-	if err := json.Unmarshal(manblob, &list); err != nil {
-		return nil, err
+	if err := json.Unmarshal(blob, &list); err != nil {
+		return "", err
 	}
-	var targetManifestDigest digest.Digest
 	for _, d := range list.Manifests {
-		if d.Platform.Architecture == runtime.GOARCH && d.Platform.OS == runtime.GOOS {
-			targetManifestDigest = d.Digest
-			break
+		if d.Platform.Architecture == wantedArch && d.Platform.OS == wantedOS {
+			return d.Digest, nil
 		}
 	}
-	if targetManifestDigest == "" {
-		return nil, errors.New("no supported platform found in manifest list")
+	return "", fmt.Errorf("no image found in manifest list for architecture %s, OS %s", wantedArch, wantedOS)
+}
+
+func manifestSchema2FromManifestList(ctx *types.SystemContext, src types.ImageSource, manblob []byte) (genericManifest, error) {
+	targetManifestDigest, err := chooseDigestFromManifestList(ctx, manblob)
+	if err != nil {
+		return nil, err
 	}
-	manblob, mt, err := src.GetTargetManifest(targetManifestDigest)
+	manblob, mt, err := src.GetManifest(&targetManifestDigest)
 	if err != nil {
 		return nil, err
 	}
@@ -59,5 +74,20 @@ func manifestSchema2FromManifestList(src types.ImageSource, manblob []byte) (gen
 		return nil, errors.Errorf("Manifest image does not match selected manifest digest %s", targetManifestDigest)
 	}
 
-	return manifestInstanceFromBlob(src, manblob, mt)
+	return manifestInstanceFromBlob(ctx, src, manblob, mt)
+}
+
+// ChooseManifestInstanceFromManifestList returns a digest of a manifest appropriate
+// for the current system from the manifest available from src.
+func ChooseManifestInstanceFromManifestList(ctx *types.SystemContext, src types.UnparsedImage) (digest.Digest, error) {
+	// For now this only handles manifest.DockerV2ListMediaType; we can generalize it later,
+	// probably along with manifest list editing.
+	blob, mt, err := src.Manifest()
+	if err != nil {
+		return "", err
+	}
+	if mt != manifest.DockerV2ListMediaType {
+		return "", fmt.Errorf("Internal error: Trying to select an image from a non-manifest-list manifest type %s", mt)
+	}
+	return chooseDigestFromManifestList(ctx, blob)
 }
diff --git a/vendor/github.com/containers/image/image/docker_schema1.go b/vendor/github.com/containers/image/image/docker_schema1.go
index 86e30b3e0..4c3c78acd 100644
--- a/vendor/github.com/containers/image/image/docker_schema1.go
+++ b/vendor/github.com/containers/image/image/docker_schema1.go
@@ -2,7 +2,9 @@ package image
 
 import (
 	"encoding/json"
+	"regexp"
 	"strings"
+	"time"
 
 	"github.com/containers/image/docker/reference"
 	"github.com/containers/image/manifest"
@@ -12,25 +14,87 @@ import (
 	"github.com/pkg/errors"
 )
 
+var (
+	validHex = regexp.MustCompile(`^([a-f0-9]{64})$`)
+)
+
+type fsLayersSchema1 struct {
+	BlobSum digest.Digest `json:"blobSum"`
+}
+
+type historySchema1 struct {
+	V1Compatibility string `json:"v1Compatibility"`
+}
+
+// historySchema1 is a string containing this.  It is similar to v1Image but not the same, in particular note the ThrowAway field.
+type v1Compatibility struct {
+	ID              string    `json:"id"`
+	Parent          string    `json:"parent,omitempty"`
+	Comment         string    `json:"comment,omitempty"`
+	Created         time.Time `json:"created"`
+	ContainerConfig struct {
+		Cmd []string
+	} `json:"container_config,omitempty"`
+	Author    string `json:"author,omitempty"`
+	ThrowAway bool   `json:"throwaway,omitempty"`
+}
+
 type manifestSchema1 struct {
-	m *manifest.Schema1
+	Name          string            `json:"name"`
+	Tag           string            `json:"tag"`
+	Architecture  string            `json:"architecture"`
+	FSLayers      []fsLayersSchema1 `json:"fsLayers"`
+	History       []historySchema1  `json:"history"`
+	SchemaVersion int               `json:"schemaVersion"`
 }
 
-func manifestSchema1FromManifest(manifestBlob []byte) (genericManifest, error) {
-	m, err := manifest.Schema1FromManifest(manifestBlob)
-	if err != nil {
+func manifestSchema1FromManifest(manifest []byte) (genericManifest, error) {
+	mschema1 := &manifestSchema1{}
+	if err := json.Unmarshal(manifest, mschema1); err != nil {
 		return nil, err
 	}
-	return &manifestSchema1{m: m}, nil
+	if mschema1.SchemaVersion != 1 {
+		return nil, errors.Errorf("unsupported schema version %d", mschema1.SchemaVersion)
+	}
+	if len(mschema1.FSLayers) != len(mschema1.History) {
+		return nil, errors.New("length of history not equal to number of layers")
+	}
+	if len(mschema1.FSLayers) == 0 {
+		return nil, errors.New("no FSLayers in manifest")
+	}
+
+	if err := fixManifestLayers(mschema1); err != nil {
+		return nil, err
+	}
+	return mschema1, nil
 }
 
 // manifestSchema1FromComponents builds a new manifestSchema1 from the supplied data.
-func manifestSchema1FromComponents(ref reference.Named, fsLayers []manifest.Schema1FSLayers, history []manifest.Schema1History, architecture string) genericManifest {
-	return &manifestSchema1{m: manifest.Schema1FromComponents(ref, fsLayers, history, architecture)}
+func manifestSchema1FromComponents(ref reference.Named, fsLayers []fsLayersSchema1, history []historySchema1, architecture string) genericManifest {
+	var name, tag string
+	if ref != nil { // Well, what to do if it _is_ nil? Most consumers actually don't use these fields nowadays, so we might as well try not supplying them.
+		name = reference.Path(ref)
+		if tagged, ok := ref.(reference.NamedTagged); ok {
+			tag = tagged.Tag()
+		}
+	}
+	return &manifestSchema1{
+		Name:          name,
+		Tag:           tag,
+		Architecture:  architecture,
+		FSLayers:      fsLayers,
+		History:       history,
+		SchemaVersion: 1,
+	}
 }
 
 func (m *manifestSchema1) serialize() ([]byte, error) {
-	return m.m.Serialize()
+	// docker/distribution requires a signature even if the incoming data uses the nominally unsigned DockerV2Schema1MediaType.
+	unsigned, err := json.Marshal(*m)
+	if err != nil {
+		return nil, err
+	}
+	return manifest.AddDummyV2S1Signature(unsigned)
 }
 
 func (m *manifestSchema1) manifestMIMEType() string {
@@ -40,7 +104,7 @@ func (m *manifestSchema1) manifestMIMEType() string {
 // ConfigInfo returns a complete BlobInfo for the separate config object, or a BlobInfo{Digest:""} if there isn't a separate object.
 // Note that the config object may not exist in the underlying storage in the return value of UpdatedImage! Use ConfigBlob() below.
 func (m *manifestSchema1) ConfigInfo() types.BlobInfo {
-	return m.m.ConfigInfo()
+	return types.BlobInfo{}
 }
 
 // ConfigBlob returns the blob described by ConfigInfo, iff ConfigInfo().Digest != ""; nil otherwise.
@@ -64,7 +128,11 @@ func (m *manifestSchema1) OCIConfig() (*imgspecv1.Image, error) {
 // The Digest field is guaranteed to be provided; Size may be -1.
 // WARNING: The list may contain duplicates, and they are semantically relevant.
 func (m *manifestSchema1) LayerInfos() []types.BlobInfo {
-	return m.m.LayerInfos()
+	layers := make([]types.BlobInfo, len(m.FSLayers))
+	for i, layer := range m.FSLayers { // NOTE: This includes empty layers (where m.History.V1Compatibility->ThrowAway)
+		layers[(len(m.FSLayers)-1)-i] = types.BlobInfo{Digest: layer.BlobSum, Size: -1}
+	}
+	return layers
 }
 
 // EmbeddedDockerReferenceConflicts whether a Docker reference embedded in the manifest, if any, conflicts with destination ref.
@@ -85,16 +153,16 @@ func (m *manifestSchema1) EmbeddedDockerReferenceConflicts(ref reference.Named)
 	} else {
 		tag = ""
 	}
-	return m.m.Name != name || m.m.Tag != tag
+	return m.Name != name || m.Tag != tag
 }
 
 func (m *manifestSchema1) imageInspectInfo() (*types.ImageInspectInfo, error) {
 	v1 := &v1Image{}
-	if err := json.Unmarshal([]byte(m.m.History[0].V1Compatibility), v1); err != nil {
+	if err := json.Unmarshal([]byte(m.History[0].V1Compatibility), v1); err != nil {
 		return nil, err
 	}
 	i := &types.ImageInspectInfo{
-		Tag:           m.m.Tag,
+		Tag:           m.Tag,
 		DockerVersion: v1.DockerVersion,
 		Created:       v1.Created,
 		Architecture:  v1.Architecture,
@@ -116,18 +184,25 @@ func (m *manifestSchema1) UpdatedImageNeedsLayerDiffIDs(options types.ManifestUp
 // UpdatedImage returns a types.Image modified according to options.
 // This does not change the state of the original Image object.
 func (m *manifestSchema1) UpdatedImage(options types.ManifestUpdateOptions) (types.Image, error) {
-	copy := manifestSchema1{m: manifest.Schema1Clone(m.m)}
+	copy := *m
 	if options.LayerInfos != nil {
-		if err := copy.m.UpdateLayerInfos(options.LayerInfos); err != nil {
-			return nil, err
+		// Our LayerInfos includes empty layers (where m.History.V1Compatibility->ThrowAway), so expect them to be included here as well.
+		if len(copy.FSLayers) != len(options.LayerInfos) {
+			return nil, errors.Errorf("Error preparing updated manifest: layer count changed from %d to %d", len(copy.FSLayers), len(options.LayerInfos))
+		}
+		for i, info := range options.LayerInfos {
+			// (docker push) sets up m.History.V1Compatibility->{Id,Parent} based on values of info.Digest,
+			// but (docker pull) ignores them in favor of computing DiffIDs from uncompressed data, except verifying the child->parent links and uniqueness.
+			// So, we don't bother recomputing the IDs in m.History.V1Compatibility.
+			copy.FSLayers[(len(options.LayerInfos)-1)-i].BlobSum = info.Digest
 		}
 	}
 	if options.EmbeddedDockerReference != nil {
-		copy.m.Name = reference.Path(options.EmbeddedDockerReference)
+		copy.Name = reference.Path(options.EmbeddedDockerReference)
 		if tagged, isTagged := options.EmbeddedDockerReference.(reference.NamedTagged); isTagged {
-			copy.m.Tag = tagged.Tag()
+			copy.Tag = tagged.Tag()
 		} else {
-			copy.m.Tag = ""
+			copy.Tag = ""
 		}
 	}
 
@@ -137,7 +212,21 @@ func (m *manifestSchema1) UpdatedImage(options types.ManifestUpdateOptions) (typ
 	// We have 2 MIME types for schema 1, which are basically equivalent (even the un-"Signed" MIME type will be rejected if there isn’t a signature; so,
 	// handle conversions between them by doing nothing.
 	case manifest.DockerV2Schema2MediaType:
-		return copy.convertToManifestSchema2(options.InformationOnly.LayerInfos, options.InformationOnly.LayerDiffIDs)
+		m2, err := copy.convertToManifestSchema2(options.InformationOnly.LayerInfos, options.InformationOnly.LayerDiffIDs)
+		if err != nil {
+			return nil, err
+		}
+		return memoryImageFromManifest(m2), nil
+	case imgspecv1.MediaTypeImageManifest:
+		// We can't directly convert to OCI, but we can transitively convert via a Docker V2.2 Distribution manifest
+		m2, err := copy.convertToManifestSchema2(options.InformationOnly.LayerInfos, options.InformationOnly.LayerDiffIDs)
+		if err != nil {
+			return nil, err
+		}
+		return m2.UpdatedImage(types.ManifestUpdateOptions{
+			ManifestMIMEType: imgspecv1.MediaTypeImageManifest,
+			InformationOnly:  options.InformationOnly,
+		})
 	default:
 		return nil, errors.Errorf("Conversion of image manifest from %s to %s is not implemented", manifest.DockerV2Schema1SignedMediaType, options.ManifestMIMEType)
 	}
@@ -145,20 +234,78 @@ func (m *manifestSchema1) UpdatedImage(options types.ManifestUpdateOptions) (typ
 	return memoryImageFromManifest(&copy), nil
 }
 
+// fixManifestLayers, after validating the supplied manifest
+// (to use correctly-formatted IDs, and to not have non-consecutive ID collisions in manifest.History),
+// modifies manifest to only have one entry for each layer ID in manifest.History (deleting the older duplicates,
+// both from manifest.History and manifest.FSLayers).
+// Note that even after this succeeds, manifest.FSLayers may contain duplicate entries
+// (for Dockerfile operations which change the configuration but not the filesystem).
+func fixManifestLayers(manifest *manifestSchema1) error {
+	type imageV1 struct {
+		ID     string
+		Parent string
+	}
+	// Per the specification, we can assume that len(manifest.FSLayers) == len(manifest.History)
+	imgs := make([]*imageV1, len(manifest.FSLayers))
+	for i := range manifest.FSLayers {
+		img := &imageV1{}
+
+		if err := json.Unmarshal([]byte(manifest.History[i].V1Compatibility), img); err != nil {
+			return err
+		}
+
+		imgs[i] = img
+		if err := validateV1ID(img.ID); err != nil {
+			return err
+		}
+	}
+	if imgs[len(imgs)-1].Parent != "" {
+		return errors.New("Invalid parent ID in the base layer of the image")
+	}
+	// check general duplicates to error instead of a deadlock
+	idmap := make(map[string]struct{})
+	var lastID string
+	for _, img := range imgs {
+		// skip IDs that appear after each other, we handle those later
+		if _, exists := idmap[img.ID]; img.ID != lastID && exists {
+			return errors.Errorf("ID %+v appears multiple times in manifest", img.ID)
+		}
+		lastID = img.ID
+		idmap[lastID] = struct{}{}
+	}
+	// backwards loop so that we keep the remaining indexes after removing items
+	for i := len(imgs) - 2; i >= 0; i-- {
+		if imgs[i].ID == imgs[i+1].ID { // repeated ID. remove and continue
+			manifest.FSLayers = append(manifest.FSLayers[:i], manifest.FSLayers[i+1:]...)
+			manifest.History = append(manifest.History[:i], manifest.History[i+1:]...)
+		} else if imgs[i].Parent != imgs[i+1].ID {
+			return errors.Errorf("Invalid parent ID. Expected %v, got %v", imgs[i+1].ID, imgs[i].Parent)
+		}
+	}
+	return nil
+}
+
+func validateV1ID(id string) error {
+	if ok := validHex.MatchString(id); !ok {
+		return errors.Errorf("image ID %q is invalid", id)
+	}
+	return nil
+}
+
 // Based on github.com/docker/docker/distribution/pull_v2.go
-func (m *manifestSchema1) convertToManifestSchema2(uploadedLayerInfos []types.BlobInfo, layerDiffIDs []digest.Digest) (types.Image, error) {
-	if len(m.m.History) == 0 {
+func (m *manifestSchema1) convertToManifestSchema2(uploadedLayerInfos []types.BlobInfo, layerDiffIDs []digest.Digest) (genericManifest, error) {
+	if len(m.History) == 0 {
 		// What would this even mean?! Anyhow, the rest of the code depends on fsLayers[0] and history[0] existing.
 		return nil, errors.Errorf("Cannot convert an image with 0 history entries to %s", manifest.DockerV2Schema2MediaType)
 	}
-	if len(m.m.History) != len(m.m.FSLayers) {
-		return nil, errors.Errorf("Inconsistent schema 1 manifest: %d history entries, %d fsLayers entries", len(m.m.History), len(m.m.FSLayers))
+	if len(m.History) != len(m.FSLayers) {
+		return nil, errors.Errorf("Inconsistent schema 1 manifest: %d history entries, %d fsLayers entries", len(m.History), len(m.FSLayers))
 	}
-	if uploadedLayerInfos != nil && len(uploadedLayerInfos) != len(m.m.FSLayers) {
-		return nil, errors.Errorf("Internal error: uploaded %d blobs, but schema1 manifest has %d fsLayers", len(uploadedLayerInfos), len(m.m.FSLayers))
+	if uploadedLayerInfos != nil && len(uploadedLayerInfos) != len(m.FSLayers) {
+		return nil, errors.Errorf("Internal error: uploaded %d blobs, but schema1 manifest has %d fsLayers", len(uploadedLayerInfos), len(m.FSLayers))
 	}
-	if layerDiffIDs != nil && len(layerDiffIDs) != len(m.m.FSLayers) {
-		return nil, errors.Errorf("Internal error: collected %d DiffID values, but schema1 manifest has %d fsLayers", len(layerDiffIDs), len(m.m.FSLayers))
+	if layerDiffIDs != nil && len(layerDiffIDs) != len(m.FSLayers) {
+		return nil, errors.Errorf("Internal error: collected %d DiffID values, but schema1 manifest has %d fsLayers", len(layerDiffIDs), len(m.FSLayers))
 	}
 
 	rootFS := rootFS{
@@ -166,13 +313,13 @@ func (m *manifestSchema1) convertToManifestSchema2(uploadedLayerInfos []types.Bl
 		DiffIDs:   []digest.Digest{},
 		BaseLayer: "",
 	}
-	var layers []manifest.Schema2Descriptor
-	history := make([]imageHistory, len(m.m.History))
-	for v1Index := len(m.m.History) - 1; v1Index >= 0; v1Index-- {
-		v2Index := (len(m.m.History) - 1) - v1Index
+	var layers []descriptor
+	history := make([]imageHistory, len(m.History))
+	for v1Index := len(m.History) - 1; v1Index >= 0; v1Index-- {
+		v2Index := (len(m.History) - 1) - v1Index
 
-		var v1compat manifest.Schema1V1Compatibility
-		if err := json.Unmarshal([]byte(m.m.History[v1Index].V1Compatibility), &v1compat); err != nil {
+		var v1compat v1Compatibility
+		if err := json.Unmarshal([]byte(m.History[v1Index].V1Compatibility), &v1compat); err != nil {
 			return nil, errors.Wrapf(err, "Error decoding history entry %d", v1Index)
 		}
 		history[v2Index] = imageHistory{
@@ -192,26 +339,25 @@ func (m *manifestSchema1) convertToManifestSchema2(uploadedLayerInfos []types.Bl
 			if layerDiffIDs != nil {
 				d = layerDiffIDs[v2Index]
 			}
-			layers = append(layers, manifest.Schema2Descriptor{
+			layers = append(layers, descriptor{
 				MediaType: "application/vnd.docker.image.rootfs.diff.tar.gzip",
 				Size:      size,
-				Digest:    m.m.FSLayers[v1Index].BlobSum,
+				Digest:    m.FSLayers[v1Index].BlobSum,
 			})
 			rootFS.DiffIDs = append(rootFS.DiffIDs, d)
 		}
 	}
-	configJSON, err := configJSONFromV1Config([]byte(m.m.History[0].V1Compatibility), rootFS, history)
+	configJSON, err := configJSONFromV1Config([]byte(m.History[0].V1Compatibility), rootFS, history)
 	if err != nil {
 		return nil, err
 	}
-	configDescriptor := manifest.Schema2Descriptor{
+	configDescriptor := descriptor{
 		MediaType: "application/vnd.docker.container.image.v1+json",
 		Size:      int64(len(configJSON)),
 		Digest:    digest.FromBytes(configJSON),
 	}
 
-	m2 := manifestSchema2FromComponents(configDescriptor, nil, configJSON, layers)
-	return memoryImageFromManifest(m2), nil
+	return manifestSchema2FromComponents(configDescriptor, nil, configJSON, layers), nil
 }
 
 func configJSONFromV1Config(v1ConfigJSON []byte, rootFS rootFS, history []imageHistory) ([]byte, error) {
diff --git a/vendor/github.com/containers/image/image/docker_schema2.go b/vendor/github.com/containers/image/image/docker_schema2.go
index 7ccd061c0..848e8743c 100644
--- a/vendor/github.com/containers/image/image/docker_schema2.go
+++ b/vendor/github.com/containers/image/image/docker_schema2.go
@@ -29,44 +29,54 @@ var gzippedEmptyLayer = []byte{
 // gzippedEmptyLayerDigest is a digest of gzippedEmptyLayer
 const gzippedEmptyLayerDigest = digest.Digest("sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4")
 
+type descriptor struct {
+	MediaType string        `json:"mediaType"`
+	Size      int64         `json:"size"`
+	Digest    digest.Digest `json:"digest"`
+	URLs      []string      `json:"urls,omitempty"`
+}
+
 type manifestSchema2 struct {
-	src        types.ImageSource // May be nil if configBlob is not nil
-	configBlob []byte            // If set, corresponds to contents of ConfigDescriptor.
-	m          *manifest.Schema2
+	src               types.ImageSource // May be nil if configBlob is not nil
+	configBlob        []byte            // If set, corresponds to contents of ConfigDescriptor.
+	SchemaVersion     int               `json:"schemaVersion"`
+	MediaType         string            `json:"mediaType"`
+	ConfigDescriptor  descriptor        `json:"config"`
+	LayersDescriptors []descriptor      `json:"layers"`
 }
 
-func manifestSchema2FromManifest(src types.ImageSource, manifestBlob []byte) (genericManifest, error) {
-	m, err := manifest.Schema2FromManifest(manifestBlob)
-	if err != nil {
+func manifestSchema2FromManifest(src types.ImageSource, manifest []byte) (genericManifest, error) {
+	v2s2 := manifestSchema2{src: src}
+	if err := json.Unmarshal(manifest, &v2s2); err != nil {
 		return nil, err
 	}
-	return &manifestSchema2{
-		src: src,
-		m:   m,
-	}, nil
+	return &v2s2, nil
 }
 
 // manifestSchema2FromComponents builds a new manifestSchema2 from the supplied data:
-func manifestSchema2FromComponents(config manifest.Schema2Descriptor, src types.ImageSource, configBlob []byte, layers []manifest.Schema2Descriptor) genericManifest {
+func manifestSchema2FromComponents(config descriptor, src types.ImageSource, configBlob []byte, layers []descriptor) genericManifest {
 	return &manifestSchema2{
-		src:        src,
-		configBlob: configBlob,
-		m:          manifest.Schema2FromComponents(config, layers),
+		src:               src,
+		configBlob:        configBlob,
+		SchemaVersion:     2,
+		MediaType:         manifest.DockerV2Schema2MediaType,
+		ConfigDescriptor:  config,
+		LayersDescriptors: layers,
 	}
 }
 
 func (m *manifestSchema2) serialize() ([]byte, error) {
-	return m.m.Serialize()
+	return json.Marshal(*m)
 }
 
 func (m *manifestSchema2) manifestMIMEType() string {
-	return m.m.MediaType
+	return m.MediaType
 }
 
 // ConfigInfo returns a complete BlobInfo for the separate config object, or a BlobInfo{Digest:""} if there isn't a separate object.
 // Note that the config object may not exist in the underlying storage in the return value of UpdatedImage! Use ConfigBlob() below.
 func (m *manifestSchema2) ConfigInfo() types.BlobInfo {
-	return m.m.ConfigInfo()
+	return types.BlobInfo{Digest: m.ConfigDescriptor.Digest, Size: m.ConfigDescriptor.Size}
 }
 
 // OCIConfig returns the image configuration as per OCI v1 image-spec. Information about
@@ -95,9 +105,9 @@ func (m *manifestSchema2) ConfigBlob() ([]byte, error) {
 			return nil, errors.Errorf("Internal error: neither src nor configBlob set in manifestSchema2")
 		}
 		stream, _, err := m.src.GetBlob(types.BlobInfo{
-			Digest: m.m.ConfigDescriptor.Digest,
-			Size:   m.m.ConfigDescriptor.Size,
-			URLs:   m.m.ConfigDescriptor.URLs,
+			Digest: m.ConfigDescriptor.Digest,
+			Size:   m.ConfigDescriptor.Size,
+			URLs:   m.ConfigDescriptor.URLs,
 		})
 		if err != nil {
 			return nil, err
@@ -108,8 +118,8 @@ func (m *manifestSchema2) ConfigBlob() ([]byte, error) {
 			return nil, err
 		}
 		computedDigest := digest.FromBytes(blob)
-		if computedDigest != m.m.ConfigDescriptor.Digest {
-			return nil, errors.Errorf("Download config.json digest %s does not match expected %s", computedDigest, m.m.ConfigDescriptor.Digest)
+		if computedDigest != m.ConfigDescriptor.Digest {
+			return nil, errors.Errorf("Download config.json digest %s does not match expected %s", computedDigest, m.ConfigDescriptor.Digest)
 		}
 		m.configBlob = blob
 	}
@@ -120,7 +130,15 @@ func (m *manifestSchema2) ConfigBlob() ([]byte, error) {
 // The Digest field is guaranteed to be provided; Size may be -1.
 // WARNING: The list may contain duplicates, and they are semantically relevant.
 func (m *manifestSchema2) LayerInfos() []types.BlobInfo {
-	return m.m.LayerInfos()
+	blobs := []types.BlobInfo{}
+	for _, layer := range m.LayersDescriptors {
+		blobs = append(blobs, types.BlobInfo{
+			Digest: layer.Digest,
+			Size:   layer.Size,
+			URLs:   layer.URLs,
+		})
+	}
+	return blobs
 }
 
 // EmbeddedDockerReferenceConflicts whether a Docker reference embedded in the manifest, if any, conflicts with destination ref.
@@ -161,14 +179,17 @@ func (m *manifestSchema2) UpdatedImageNeedsLayerDiffIDs(options types.ManifestUp
 // UpdatedImage returns a types.Image modified according to options.
 // This does not change the state of the original Image object.
 func (m *manifestSchema2) UpdatedImage(options types.ManifestUpdateOptions) (types.Image, error) {
-	copy := manifestSchema2{ // NOTE: This is not a deep copy, it still shares slices etc.
-		src:        m.src,
-		configBlob: m.configBlob,
-		m:          manifest.Schema2Clone(m.m),
-	}
+	copy := *m // NOTE: This is not a deep copy, it still shares slices etc.
 	if options.LayerInfos != nil {
-		if err := copy.m.UpdateLayerInfos(options.LayerInfos); err != nil {
-			return nil, err
+		if len(copy.LayersDescriptors) != len(options.LayerInfos) {
+			return nil, errors.Errorf("Error preparing updated manifest: layer count changed from %d to %d", len(copy.LayersDescriptors), len(options.LayerInfos))
+		}
+		copy.LayersDescriptors = make([]descriptor, len(options.LayerInfos))
+		for i, info := range options.LayerInfos {
+			copy.LayersDescriptors[i].MediaType = m.LayersDescriptors[i].MediaType
+			copy.LayersDescriptors[i].Digest = info.Digest
+			copy.LayersDescriptors[i].Size = info.Size
+			copy.LayersDescriptors[i].URLs = info.URLs
 		}
 	}
 	// Ignore options.EmbeddedDockerReference: it may be set when converting from schema1 to schema2, but we really don't care.
@@ -186,15 +207,6 @@ func (m *manifestSchema2) UpdatedImage(options types.ManifestUpdateOptions) (typ
 	return memoryImageFromManifest(&copy), nil
 }
 
-func oci1DescriptorFromSchema2Descriptor(d manifest.Schema2Descriptor) imgspecv1.Descriptor {
-	return imgspecv1.Descriptor{
-		MediaType: d.MediaType,
-		Size:      d.Size,
-		Digest:    d.Digest,
-		URLs:      d.URLs,
-	}
-}
-
 func (m *manifestSchema2) convertToManifestOCI1() (types.Image, error) {
 	configOCI, err := m.OCIConfig()
 	if err != nil {
@@ -205,16 +217,18 @@ func (m *manifestSchema2) convertToManifestOCI1() (types.Image, error) {
 		return nil, err
 	}
 
-	config := imgspecv1.Descriptor{
-		MediaType: imgspecv1.MediaTypeImageConfig,
-		Size:      int64(len(configOCIBytes)),
-		Digest:    digest.FromBytes(configOCIBytes),
+	config := descriptorOCI1{
+		descriptor: descriptor{
+			MediaType: imgspecv1.MediaTypeImageConfig,
+			Size:      int64(len(configOCIBytes)),
+			Digest:    digest.FromBytes(configOCIBytes),
+		},
 	}
 
-	layers := make([]imgspecv1.Descriptor, len(m.m.LayersDescriptors))
+	layers := make([]descriptorOCI1, len(m.LayersDescriptors))
 	for idx := range layers {
-		layers[idx] = oci1DescriptorFromSchema2Descriptor(m.m.LayersDescriptors[idx])
-		if m.m.LayersDescriptors[idx].MediaType == manifest.DockerV2Schema2ForeignLayerMediaType {
+		layers[idx] = descriptorOCI1{descriptor: m.LayersDescriptors[idx]}
+		if m.LayersDescriptors[idx].MediaType == manifest.DockerV2Schema2ForeignLayerMediaType {
 			layers[idx].MediaType = imgspecv1.MediaTypeImageLayerNonDistributable
 		} else {
 			// we assume layers are gzip'ed because docker v2s2 only deals with
@@ -239,8 +253,8 @@ func (m *manifestSchema2) convertToManifestSchema1(dest types.ImageDestination)
 	}
 
 	// Build fsLayers and History, discarding all configs. We will patch the top-level config in later.
-	fsLayers := make([]manifest.Schema1FSLayers, len(imageConfig.History))
-	history := make([]manifest.Schema1History, len(imageConfig.History))
+	fsLayers := make([]fsLayersSchema1, len(imageConfig.History))
+	history := make([]historySchema1, len(imageConfig.History))
 	nonemptyLayerIndex := 0
 	var parentV1ID string // Set in the loop
 	v1ID := ""
@@ -268,10 +282,10 @@ func (m *manifestSchema2) convertToManifestSchema1(dest types.ImageDestination)
 			}
 			blobDigest = gzippedEmptyLayerDigest
 		} else {
-			if nonemptyLayerIndex >= len(m.m.LayersDescriptors) {
-				return nil, errors.Errorf("Invalid image configuration, needs more than the %d distributed layers", len(m.m.LayersDescriptors))
+			if nonemptyLayerIndex >= len(m.LayersDescriptors) {
+				return nil, errors.Errorf("Invalid image configuration, needs more than the %d distributed layers", len(m.LayersDescriptors))
 			}
-			blobDigest = m.m.LayersDescriptors[nonemptyLayerIndex].Digest
+			blobDigest = m.LayersDescriptors[nonemptyLayerIndex].Digest
 			nonemptyLayerIndex++
 		}
 
@@ -282,7 +296,7 @@ func (m *manifestSchema2) convertToManifestSchema1(dest types.ImageDestination)
 		}
 		v1ID = v
 
-		fakeImage := manifest.Schema1V1Compatibility{
+		fakeImage := v1Compatibility{
 			ID:        v1ID,
 			Parent:    parentV1ID,
 			Comment:   historyEntry.Comment,
@@ -296,8 +310,8 @@ func (m *manifestSchema2) convertToManifestSchema1(dest types.ImageDestination)
 			return nil, errors.Errorf("Internal error: Error creating v1compatibility for %#v", fakeImage)
 		}
 
-		fsLayers[v1Index] = manifest.Schema1FSLayers{BlobSum: blobDigest}
-		history[v1Index] = manifest.Schema1History{V1Compatibility: string(v1CompatibilityBytes)}
+		fsLayers[v1Index] = fsLayersSchema1{BlobSum: blobDigest}
+		history[v1Index] = historySchema1{V1Compatibility: string(v1CompatibilityBytes)}
 		// Note that parentV1ID of the top layer is preserved when exiting this loop
 	}
 
diff --git a/vendor/github.com/containers/image/image/manifest.go b/vendor/github.com/containers/image/image/manifest.go
index 4a79ac277..132fdd58b 100644
--- a/vendor/github.com/containers/image/image/manifest.go
+++ b/vendor/github.com/containers/image/image/manifest.go
@@ -1,7 +1,6 @@
 package image
 
 import (
-	"fmt"
 	"time"
 
 	"github.com/containers/image/docker/reference"
@@ -88,18 +87,32 @@ type genericManifest interface {
 	UpdatedImage(options types.ManifestUpdateOptions) (types.Image, error)
 }
 
-func manifestInstanceFromBlob(src types.ImageSource, manblob []byte, mt string) (genericManifest, error) {
-	switch manifest.NormalizedMIMEType(mt) {
-	case manifest.DockerV2Schema1MediaType, manifest.DockerV2Schema1SignedMediaType:
+// manifestInstanceFromBlob returns a genericManifest implementation for (manblob, mt) in src.
+// If manblob is a manifest list, it implicitly chooses an appropriate image from the list.
+func manifestInstanceFromBlob(ctx *types.SystemContext, src types.ImageSource, manblob []byte, mt string) (genericManifest, error) {
+	switch mt {
+	// "application/json" is a valid v2s1 value per https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-1.md .
+	// This works for now, when nothing else seems to return "application/json"; if that were not true, the mapping/detection might
+	// need to happen within the ImageSource.
+	case manifest.DockerV2Schema1MediaType, manifest.DockerV2Schema1SignedMediaType, "application/json":
 		return manifestSchema1FromManifest(manblob)
 	case imgspecv1.MediaTypeImageManifest:
 		return manifestOCI1FromManifest(src, manblob)
 	case manifest.DockerV2Schema2MediaType:
 		return manifestSchema2FromManifest(src, manblob)
 	case manifest.DockerV2ListMediaType:
-		return manifestSchema2FromManifestList(src, manblob)
-	default: // Note that this may not be reachable, manifest.NormalizedMIMEType has a default for unknown values.
-		return nil, fmt.Errorf("Unimplemented manifest MIME type %s", mt)
+		return manifestSchema2FromManifestList(ctx, src, manblob)
+	default:
+		// If it's not a recognized manifest media type, or we have failed determining the type, we'll try one last time
+		// to deserialize using v2s1 as per https://github.com/docker/distribution/blob/master/manifests.go#L108
+		// and https://github.com/docker/distribution/blob/master/manifest/schema1/manifest.go#L50
+		//
+		// Crane registries can also return "text/plain", or pretty much anything else depending on a file extension “recognized” in the tag.
+		// This makes no real sense, but it happens
+		// because requests for manifests are
+		// redirected to a content distribution
+		// network which is configured that way. See https://bugzilla.redhat.com/show_bug.cgi?id=1389442
+		return manifestSchema1FromManifest(manblob)
 	}
 }
 
diff --git a/vendor/github.com/containers/image/image/memory.go b/vendor/github.com/containers/image/image/memory.go
index 1e8bb3a4a..646dbe249 100644
--- a/vendor/github.com/containers/image/image/memory.go
+++ b/vendor/github.com/containers/image/image/memory.go
@@ -33,11 +33,6 @@ func (i *memoryImage) Reference() types.ImageReference {
 	return nil
 }
 
-// Close removes resources associated with an initialized UnparsedImage, if any.
-func (i *memoryImage) Close() error {
-	return nil
-}
-
 // Size returns the size of the image as stored, if known, or -1 if not.
 func (i *memoryImage) Size() (int64, error) {
 	return -1, nil
@@ -66,15 +61,3 @@ func (i *memoryImage) Signatures(ctx context.Context) ([][]byte, error) {
 func (i *memoryImage) Inspect() (*types.ImageInspectInfo, error) {
 	return inspectManifest(i.genericManifest)
 }
-
-// IsMultiImage returns true if the image's manifest is a list of images, false otherwise.
-func (i *memoryImage) IsMultiImage() bool {
-	return false
-}
-
-// UpdatedLayerInfos returns an updated set of layer blob information which may not match the manifest.
-// The Digest field is guaranteed to be provided; Size may be -1.
-// WARNING: The list may contain duplicates, and they are semantically relevant.
-func (i *memoryImage) UpdatedLayerInfos() []types.BlobInfo {
-	return i.LayerInfos()
-}
diff --git a/vendor/github.com/containers/image/image/oci.go b/vendor/github.com/containers/image/image/oci.go
index 77ddedae8..8fe851837 100644
--- a/vendor/github.com/containers/image/image/oci.go
+++ b/vendor/github.com/containers/image/image/oci.go
@@ -12,34 +12,41 @@ import (
 	"github.com/pkg/errors"
 )
 
+type descriptorOCI1 struct {
+	descriptor
+	Annotations map[string]string `json:"annotations,omitempty"`
+}
+
 type manifestOCI1 struct {
-	src        types.ImageSource // May be nil if configBlob is not nil
-	configBlob []byte            // If set, corresponds to contents of m.Config.
-	m          *manifest.OCI1
+	src               types.ImageSource // May be nil if configBlob is not nil
+	configBlob        []byte            // If set, corresponds to contents of ConfigDescriptor.
+	SchemaVersion     int               `json:"schemaVersion"`
+	ConfigDescriptor  descriptorOCI1    `json:"config"`
+	LayersDescriptors []descriptorOCI1  `json:"layers"`
+	Annotations       map[string]string `json:"annotations,omitempty"`
 }
 
-func manifestOCI1FromManifest(src types.ImageSource, manifestBlob []byte) (genericManifest, error) {
-	m, err := manifest.OCI1FromManifest(manifestBlob)
-	if err != nil {
+func manifestOCI1FromManifest(src types.ImageSource, manifest []byte) (genericManifest, error) {
+	oci := manifestOCI1{src: src}
+	if err := json.Unmarshal(manifest, &oci); err != nil {
 		return nil, err
 	}
-	return &manifestOCI1{
-		src: src,
-		m:   m,
-	}, nil
+	return &oci, nil
 }
 
 // manifestOCI1FromComponents builds a new manifestOCI1 from the supplied data:
-func manifestOCI1FromComponents(config imgspecv1.Descriptor, src types.ImageSource, configBlob []byte, layers []imgspecv1.Descriptor) genericManifest {
+func manifestOCI1FromComponents(config descriptorOCI1, src types.ImageSource, configBlob []byte, layers []descriptorOCI1) genericManifest {
 	return &manifestOCI1{
-		src:        src,
-		configBlob: configBlob,
-		m:          manifest.OCI1FromComponents(config, layers),
+		src:               src,
+		configBlob:        configBlob,
+		SchemaVersion:     2,
+		ConfigDescriptor:  config,
+		LayersDescriptors: layers,
 	}
 }
 
 func (m *manifestOCI1) serialize() ([]byte, error) {
-	return m.m.Serialize()
+	return json.Marshal(*m)
 }
 
 func (m *manifestOCI1) manifestMIMEType() string {
@@ -49,7 +56,7 @@ func (m *manifestOCI1) manifestMIMEType() string {
 // ConfigInfo returns a complete BlobInfo for the separate config object, or a BlobInfo{Digest:""} if there isn't a separate object.
 // Note that the config object may not exist in the underlying storage in the return value of UpdatedImage! Use ConfigBlob() below.
 func (m *manifestOCI1) ConfigInfo() types.BlobInfo {
-	return m.m.ConfigInfo()
+	return types.BlobInfo{Digest: m.ConfigDescriptor.Digest, Size: m.ConfigDescriptor.Size, Annotations: m.ConfigDescriptor.Annotations}
 }
 
 // ConfigBlob returns the blob described by ConfigInfo, iff ConfigInfo().Digest != ""; nil otherwise.
@@ -60,9 +67,9 @@ func (m *manifestOCI1) ConfigBlob() ([]byte, error) {
 			return nil, errors.Errorf("Internal error: neither src nor configBlob set in manifestOCI1")
 		}
 		stream, _, err := m.src.GetBlob(types.BlobInfo{
-			Digest: m.m.Config.Digest,
-			Size:   m.m.Config.Size,
-			URLs:   m.m.Config.URLs,
+			Digest: m.ConfigDescriptor.Digest,
+			Size:   m.ConfigDescriptor.Size,
+			URLs:   m.ConfigDescriptor.URLs,
 		})
 		if err != nil {
 			return nil, err
@@ -73,8 +80,8 @@ func (m *manifestOCI1) ConfigBlob() ([]byte, error) {
 			return nil, err
 		}
 		computedDigest := digest.FromBytes(blob)
-		if computedDigest != m.m.Config.Digest {
-			return nil, errors.Errorf("Download config.json digest %s does not match expected %s", computedDigest, m.m.Config.Digest)
+		if computedDigest != m.ConfigDescriptor.Digest {
+			return nil, errors.Errorf("Download config.json digest %s does not match expected %s", computedDigest, m.ConfigDescriptor.Digest)
 		}
 		m.configBlob = blob
 	}
@@ -100,7 +107,11 @@ func (m *manifestOCI1) OCIConfig() (*imgspecv1.Image, error) {
 // The Digest field is guaranteed to be provided; Size may be -1.
 // WARNING: The list may contain duplicates, and they are semantically relevant.
 func (m *manifestOCI1) LayerInfos() []types.BlobInfo {
-	return m.m.LayerInfos()
+	blobs := []types.BlobInfo{}
+	for _, layer := range m.LayersDescriptors {
+		blobs = append(blobs, types.BlobInfo{Digest: layer.Digest, Size: layer.Size, Annotations: layer.Annotations, URLs: layer.URLs, MediaType: layer.MediaType})
+	}
+	return blobs
 }
 
 // EmbeddedDockerReferenceConflicts whether a Docker reference embedded in the manifest, if any, conflicts with destination ref.
@@ -141,14 +152,18 @@ func (m *manifestOCI1) UpdatedImageNeedsLayerDiffIDs(options types.ManifestUpdat
 // UpdatedImage returns a types.Image modified according to options.
 // This does not change the state of the original Image object.
 func (m *manifestOCI1) UpdatedImage(options types.ManifestUpdateOptions) (types.Image, error) {
-	copy := manifestOCI1{ // NOTE: This is not a deep copy, it still shares slices etc.
-		src:        m.src,
-		configBlob: m.configBlob,
-		m:          manifest.OCI1Clone(m.m),
-	}
+	copy := *m // NOTE: This is not a deep copy, it still shares slices etc.
 	if options.LayerInfos != nil {
-		if err := copy.m.UpdateLayerInfos(options.LayerInfos); err != nil {
-			return nil, err
+		if len(copy.LayersDescriptors) != len(options.LayerInfos) {
+			return nil, errors.Errorf("Error preparing updated manifest: layer count changed from %d to %d", len(copy.LayersDescriptors), len(options.LayerInfos))
+		}
+		copy.LayersDescriptors = make([]descriptorOCI1, len(options.LayerInfos))
+		for i, info := range options.LayerInfos {
+			copy.LayersDescriptors[i].MediaType = m.LayersDescriptors[i].MediaType
+			copy.LayersDescriptors[i].Digest = info.Digest
+			copy.LayersDescriptors[i].Size = info.Size
+			copy.LayersDescriptors[i].Annotations = info.Annotations
+			copy.LayersDescriptors[i].URLs = info.URLs
 		}
 	}
 	// Ignore options.EmbeddedDockerReference: it may be set when converting from schema1, but we really don't care.
@@ -164,26 +179,17 @@ func (m *manifestOCI1) UpdatedImage(options types.ManifestUpdateOptions) (types.
 	return memoryImageFromManifest(&copy), nil
 }
 
-func schema2DescriptorFromOCI1Descriptor(d imgspecv1.Descriptor) manifest.Schema2Descriptor {
-	return manifest.Schema2Descriptor{
-		MediaType: d.MediaType,
-		Size:      d.Size,
-		Digest:    d.Digest,
-		URLs:      d.URLs,
-	}
-}
-
 func (m *manifestOCI1) convertToManifestSchema2() (types.Image, error) {
 	// Create a copy of the descriptor.
-	config := schema2DescriptorFromOCI1Descriptor(m.m.Config)
+	config := m.ConfigDescriptor.descriptor
 
 	// The only difference between OCI and DockerSchema2 is the mediatypes. The
 	// media type of the manifest is handled by manifestSchema2FromComponents.
 	config.MediaType = manifest.DockerV2Schema2ConfigMediaType
 
-	layers := make([]manifest.Schema2Descriptor, len(m.m.Layers))
+	layers := make([]descriptor, len(m.LayersDescriptors))
 	for idx := range layers {
-		layers[idx] = schema2DescriptorFromOCI1Descriptor(m.m.Layers[idx])
+		layers[idx] = m.LayersDescriptors[idx].descriptor
 		layers[idx].MediaType = manifest.DockerV2Schema2LayerMediaType
 	}
 
diff --git a/vendor/github.com/containers/image/image/sourced.go b/vendor/github.com/containers/image/image/sourced.go
index 1293f7d30..bdda05a05 100644
--- a/vendor/github.com/containers/image/image/sourced.go
+++ b/vendor/github.com/containers/image/image/sourced.go
@@ -4,12 +4,22 @@
 package image
 
 import (
-	"github.com/containers/image/manifest"
 	"github.com/containers/image/types"
 )
 
-// FromSource returns a types.Image implementation for source.
-// The caller must call .Close() on the returned Image.
+// imageCloser implements types.ImageCloser, perhaps allowing simple users
+// to use a single object without having keep a reference to a types.ImageSource
+// only to call types.ImageSource.Close().
+type imageCloser struct {
+	types.Image
+	src types.ImageSource
+}
+
+// FromSource returns a types.ImageCloser implementation for the default instance of source.
+// If source is a manifest list, .Manifest() still returns the manifest list,
+// but other methods transparently return data from an appropriate image instance.
+//
+// The caller must call .Close() on the returned ImageCloser.
 //
 // FromSource “takes ownership” of the input ImageSource and will call src.Close()
 // when the image is closed.  (This does not prevent callers from using both the
@@ -18,8 +28,19 @@ import (
 //
 // NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 // verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage instead of calling this function.
-func FromSource(src types.ImageSource) (types.Image, error) {
-	return FromUnparsedImage(UnparsedFromSource(src))
+func FromSource(ctx *types.SystemContext, src types.ImageSource) (types.ImageCloser, error) {
+	img, err := FromUnparsedImage(ctx, UnparsedInstance(src, nil))
+	if err != nil {
+		return nil, err
+	}
+	return &imageCloser{
+		Image: img,
+		src:   src,
+	}, nil
+}
+
+func (ic *imageCloser) Close() error {
+	return ic.src.Close()
 }
 
 // sourcedImage is a general set of utilities for working with container images,
@@ -38,27 +59,22 @@ type sourcedImage struct {
 }
 
 // FromUnparsedImage returns a types.Image implementation for unparsed.
-// The caller must call .Close() on the returned Image.
+// If unparsed represents a manifest list, .Manifest() still returns the manifest list,
+// but other methods transparently return data from an appropriate single image.
 //
-// FromSource “takes ownership” of the input UnparsedImage and will call uparsed.Close()
-// when the image is closed.  (This does not prevent callers from using both the
-// UnparsedImage and ImageSource objects simultaneously, but it means that they only need to
-// keep a reference to the Image.)
-func FromUnparsedImage(unparsed *UnparsedImage) (types.Image, error) {
+// The Image must not be used after the underlying ImageSource is Close()d.
+func FromUnparsedImage(ctx *types.SystemContext, unparsed *UnparsedImage) (types.Image, error) {
 	// Note that the input parameter above is specifically *image.UnparsedImage, not types.UnparsedImage:
 	// we want to be able to use unparsed.src.  We could make that an explicit interface, but, well,
 	// this is the only UnparsedImage implementation around, anyway.
 
-	// Also, we do not explicitly implement types.Image.Close; we let the implementation fall through to
-	// unparsed.Close.
-
 	// NOTE: It is essential for signature verification that all parsing done in this object happens on the same manifest which is returned by unparsed.Manifest().
 	manifestBlob, manifestMIMEType, err := unparsed.Manifest()
 	if err != nil {
 		return nil, err
 	}
 
-	parsedManifest, err := manifestInstanceFromBlob(unparsed.src, manifestBlob, manifestMIMEType)
+	parsedManifest, err := manifestInstanceFromBlob(ctx, unparsed.src, manifestBlob, manifestMIMEType)
 	if err != nil {
 		return nil, err
 	}
@@ -84,11 +100,3 @@ func (i *sourcedImage) Manifest() ([]byte, string, error) {
 func (i *sourcedImage) Inspect() (*types.ImageInspectInfo, error) {
 	return inspectManifest(i.genericManifest)
 }
-
-func (i *sourcedImage) IsMultiImage() bool {
-	return i.manifestMIMEType == manifest.DockerV2ListMediaType
-}
-
-func (i *sourcedImage) UpdatedLayerInfos() []types.BlobInfo {
-	return i.UnparsedImage.UpdatedLayerInfos()
-}
diff --git a/vendor/github.com/containers/image/image/unparsed.go b/vendor/github.com/containers/image/image/unparsed.go
index 7bcac06e0..0a8f78b66 100644
--- a/vendor/github.com/containers/image/image/unparsed.go
+++ b/vendor/github.com/containers/image/image/unparsed.go
@@ -11,8 +11,10 @@ import (
 )
 
 // UnparsedImage implements types.UnparsedImage .
+// An UnparsedImage is a pair of (ImageSource, instance digest); it can represent either a manifest list or a single image instance.
 type UnparsedImage struct {
 	src            types.ImageSource
+	instanceDigest *digest.Digest
 	cachedManifest []byte // A private cache for Manifest(); nil if not yet known.
 	// A private cache for Manifest(), may be the empty string if guessing failed.
 	// Valid iff cachedManifest is not nil.
@@ -20,49 +22,41 @@ type UnparsedImage struct {
 	cachedSignatures       [][]byte // A private cache for Signatures(); nil if not yet known.
 }
 
-// UnparsedFromSource returns a types.UnparsedImage implementation for source.
-// The caller must call .Close() on the returned UnparsedImage.
+// UnparsedInstance returns a types.UnparsedImage implementation for (source, instanceDigest).
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list).
 //
-// UnparsedFromSource “takes ownership” of the input ImageSource and will call src.Close()
-// when the image is closed.  (This does not prevent callers from using both the
-// UnparsedImage and ImageSource objects simultaneously, but it means that they only need to
-// keep a reference to the UnparsedImage.)
-func UnparsedFromSource(src types.ImageSource) *UnparsedImage {
-	return &UnparsedImage{src: src}
+// The UnparsedImage must not be used after the underlying ImageSource is Close()d.
+func UnparsedInstance(src types.ImageSource, instanceDigest *digest.Digest) *UnparsedImage {
+	return &UnparsedImage{
+		src:            src,
+		instanceDigest: instanceDigest,
+	}
 }
 
 // Reference returns the reference used to set up this source, _as specified by the user_
 // (not as the image itself, or its underlying storage, claims).  This can be used e.g. to determine which public keys are trusted for this image.
 func (i *UnparsedImage) Reference() types.ImageReference {
+	// Note that this does not depend on instanceDigest; e.g. all instances within a manifest list need to be signed with the manifest list identity.
 	return i.src.Reference()
 }
 
-// Close removes resources associated with an initialized UnparsedImage, if any.
-func (i *UnparsedImage) Close() error {
-	return i.src.Close()
-}
-
 // Manifest is like ImageSource.GetManifest, but the result is cached; it is OK to call this however often you need.
 func (i *UnparsedImage) Manifest() ([]byte, string, error) {
 	if i.cachedManifest == nil {
-		m, mt, err := i.src.GetManifest()
+		m, mt, err := i.src.GetManifest(i.instanceDigest)
 		if err != nil {
 			return nil, "", err
 		}
 
 		// ImageSource.GetManifest does not do digest verification, but we do;
 		// this immediately protects also any user of types.Image.
-		ref := i.Reference().DockerReference()
-		if ref != nil {
-			if canonical, ok := ref.(reference.Canonical); ok {
-				digest := digest.Digest(canonical.Digest())
-				matches, err := manifest.MatchesDigest(m, digest)
-				if err != nil {
-					return nil, "", errors.Wrap(err, "Error computing manifest digest")
-				}
-				if !matches {
-					return nil, "", errors.Errorf("Manifest does not match provided manifest digest %s", digest)
-				}
+		if digest, haveDigest := i.expectedManifestDigest(); haveDigest {
+			matches, err := manifest.MatchesDigest(m, digest)
+			if err != nil {
+				return nil, "", errors.Wrap(err, "Error computing manifest digest")
+			}
+			if !matches {
+				return nil, "", errors.Errorf("Manifest does not match provided manifest digest %s", digest)
 			}
 		}
 
@@ -72,10 +66,26 @@ func (i *UnparsedImage) Manifest() ([]byte, string, error) {
 	return i.cachedManifest, i.cachedManifestMIMEType, nil
 }
 
+// expectedManifestDigest returns a the expected value of the manifest digest, and an indicator whether it is known.
+// The bool return value seems redundant with digest != ""; it is used explicitly
+// to refuse (unexpected) situations when the digest exists but is "".
+func (i *UnparsedImage) expectedManifestDigest() (digest.Digest, bool) {
+	if i.instanceDigest != nil {
+		return *i.instanceDigest, true
+	}
+	ref := i.Reference().DockerReference()
+	if ref != nil {
+		if canonical, ok := ref.(reference.Canonical); ok {
+			return canonical.Digest(), true
+		}
+	}
+	return "", false
+}
+
 // Signatures is like ImageSource.GetSignatures, but the result is cached; it is OK to call this however often you need.
 func (i *UnparsedImage) Signatures(ctx context.Context) ([][]byte, error) {
 	if i.cachedSignatures == nil {
-		sigs, err := i.src.GetSignatures(ctx)
+		sigs, err := i.src.GetSignatures(ctx, i.instanceDigest)
 		if err != nil {
 			return nil, err
 		}
@@ -83,10 +93,3 @@ func (i *UnparsedImage) Signatures(ctx context.Context) ([][]byte, error) {
 	}
 	return i.cachedSignatures, nil
 }
-
-// UpdatedLayerInfos returns an updated set of layer blob information which may not match the manifest.
-// The Digest field is guaranteed to be provided; Size may be -1.
-// WARNING: The list may contain duplicates, and they are semantically relevant.
-func (i *UnparsedImage) UpdatedLayerInfos() []types.BlobInfo {
-	return i.src.UpdatedLayerInfos()
-}
diff --git a/vendor/github.com/containers/image/internal/tmpdir/tmpdir.go b/vendor/github.com/containers/image/internal/tmpdir/tmpdir.go
new file mode 100644
index 000000000..a28020edc
--- /dev/null
+++ b/vendor/github.com/containers/image/internal/tmpdir/tmpdir.go
@@ -0,0 +1,19 @@
+package tmpdir
+
+import (
+	"os"
+	"runtime"
+)
+
+// TemporaryDirectoryForBigFiles returns a directory for temporary (big) files.
+// On non Windows systems it avoids the use of os.TempDir(), because the default temporary directory usually falls under /tmp
+// which on systemd based systems could be the unsuitable tmpfs filesystem.
+func TemporaryDirectoryForBigFiles() string {
+	var temporaryDirectoryForBigFiles string
+	if runtime.GOOS == "windows" {
+		temporaryDirectoryForBigFiles = os.TempDir()
+	} else {
+		temporaryDirectoryForBigFiles = "/var/tmp"
+	}
+	return temporaryDirectoryForBigFiles
+}
diff --git a/vendor/github.com/containers/image/manifest/docker_schema1.go b/vendor/github.com/containers/image/manifest/docker_schema1.go
deleted file mode 100644
index f4ce73207..000000000
--- a/vendor/github.com/containers/image/manifest/docker_schema1.go
+++ /dev/null
@@ -1,212 +0,0 @@
-package manifest
-
-import (
-	"encoding/json"
-	"regexp"
-	"time"
-
-	"github.com/containers/image/docker/reference"
-	"github.com/containers/image/types"
-	"github.com/opencontainers/go-digest"
-	"github.com/pkg/errors"
-)
-
-// Schema1FSLayers is an entry of the "fsLayers" array in docker/distribution schema 1.
-type Schema1FSLayers struct {
-	BlobSum digest.Digest `json:"blobSum"`
-}
-
-// Schema1History is an entry of the "history" array in docker/distribution schema 1.
-type Schema1History struct {
-	V1Compatibility string `json:"v1Compatibility"`
-}
-
-// Schema1 is a manifest in docker/distribution schema 1.
-type Schema1 struct {
-	Name          string            `json:"name"`
-	Tag           string            `json:"tag"`
-	Architecture  string            `json:"architecture"`
-	FSLayers      []Schema1FSLayers `json:"fsLayers"`
-	History       []Schema1History  `json:"history"`
-	SchemaVersion int               `json:"schemaVersion"`
-}
-
-// Schema1V1Compatibility is a v1Compatibility in docker/distribution schema 1.
-type Schema1V1Compatibility struct {
-	ID              string    `json:"id"`
-	Parent          string    `json:"parent,omitempty"`
-	Comment         string    `json:"comment,omitempty"`
-	Created         time.Time `json:"created"`
-	ContainerConfig struct {
-		Cmd []string
-	} `json:"container_config,omitempty"`
-	Author    string `json:"author,omitempty"`
-	ThrowAway bool   `json:"throwaway,omitempty"`
-}
-
-// Schema1FromManifest creates a Schema1 manifest instance from a manifest blob.
-// (NOTE: The instance is not necessary a literal representation of the original blob,
-// layers with duplicate IDs are eliminated.)
-func Schema1FromManifest(manifest []byte) (*Schema1, error) {
-	s1 := Schema1{}
-	if err := json.Unmarshal(manifest, &s1); err != nil {
-		return nil, err
-	}
-	if s1.SchemaVersion != 1 {
-		return nil, errors.Errorf("unsupported schema version %d", s1.SchemaVersion)
-	}
-	if len(s1.FSLayers) != len(s1.History) {
-		return nil, errors.New("length of history not equal to number of layers")
-	}
-	if len(s1.FSLayers) == 0 {
-		return nil, errors.New("no FSLayers in manifest")
-	}
-	if err := s1.fixManifestLayers(); err != nil {
-		return nil, err
-	}
-	return &s1, nil
-}
-
-// Schema1FromComponents creates an Schema1 manifest instance from the supplied data.
-func Schema1FromComponents(ref reference.Named, fsLayers []Schema1FSLayers, history []Schema1History, architecture string) *Schema1 {
-	var name, tag string
-	if ref != nil { // Well, what to do if it _is_ nil? Most consumers actually don't use these fields nowadays, so we might as well try not supplying them.
-		name = reference.Path(ref)
-		if tagged, ok := ref.(reference.NamedTagged); ok {
-			tag = tagged.Tag()
-		}
-	}
-	return &Schema1{
-		Name:          name,
-		Tag:           tag,
-		Architecture:  architecture,
-		FSLayers:      fsLayers,
-		History:       history,
-		SchemaVersion: 1,
-	}
-}
-
-// Schema1Clone creates a copy of the supplied Schema1 manifest.
-func Schema1Clone(src *Schema1) *Schema1 {
-	copy := *src
-	return &copy
-}
-
-// ConfigInfo returns a complete BlobInfo for the separate config object, or a BlobInfo{Digest:""} if there isn't a separate object.
-func (m *Schema1) ConfigInfo() types.BlobInfo {
-	return types.BlobInfo{}
-}
-
-// LayerInfos returns a list of BlobInfos of layers referenced by this image, in order (the root layer first, and then successive layered layers).
-// The Digest field is guaranteed to be provided; Size may be -1.
-// WARNING: The list may contain duplicates, and they are semantically relevant.
-func (m *Schema1) LayerInfos() []types.BlobInfo {
-	layers := make([]types.BlobInfo, len(m.FSLayers))
-	for i, layer := range m.FSLayers { // NOTE: This includes empty layers (where m.History.V1Compatibility->ThrowAway)
-		layers[(len(m.FSLayers)-1)-i] = types.BlobInfo{Digest: layer.BlobSum, Size: -1}
-	}
-	return layers
-}
-
-// UpdateLayerInfos replaces the original layers with the specified BlobInfos (size+digest+urls), in order (the root layer first, and then successive layered layers)
-func (m *Schema1) UpdateLayerInfos(layerInfos []types.BlobInfo) error {
-	// Our LayerInfos includes empty layers (where m.History.V1Compatibility->ThrowAway), so expect them to be included here as well.
-	if len(m.FSLayers) != len(layerInfos) {
-		return errors.Errorf("Error preparing updated manifest: layer count changed from %d to %d", len(m.FSLayers), len(layerInfos))
-	}
-	for i, info := range layerInfos {
-		// (docker push) sets up m.History.V1Compatibility->{Id,Parent} based on values of info.Digest,
-		// but (docker pull) ignores them in favor of computing DiffIDs from uncompressed data, except verifying the child->parent links and uniqueness.
-		// So, we don't bother recomputing the IDs in m.History.V1Compatibility.
-		m.FSLayers[(len(layerInfos)-1)-i].BlobSum = info.Digest
-	}
-	return nil
-}
-
-// Serialize returns the manifest in a blob format.
-// NOTE: Serialize() does not in general reproduce the original blob if this object was loaded from one, even if no modifications were made!
-func (m *Schema1) Serialize() ([]byte, error) {
-	// docker/distribution requires a signature even if the incoming data uses the nominally unsigned DockerV2Schema1MediaType.
-	unsigned, err := json.Marshal(*m)
-	if err != nil {
-		return nil, err
-	}
-	return AddDummyV2S1Signature(unsigned)
-}
-
-// fixManifestLayers, after validating the supplied manifest
-// (to use correctly-formatted IDs, and to not have non-consecutive ID collisions in m.History),
-// modifies manifest to only have one entry for each layer ID in m.History (deleting the older duplicates,
-// both from m.History and m.FSLayers).
-// Note that even after this succeeds, m.FSLayers may contain duplicate entries
-// (for Dockerfile operations which change the configuration but not the filesystem).
-func (m *Schema1) fixManifestLayers() error {
-	type imageV1 struct {
-		ID     string
-		Parent string
-	}
-	// Per the specification, we can assume that len(m.FSLayers) == len(m.History)
-	imgs := make([]*imageV1, len(m.FSLayers))
-	for i := range m.FSLayers {
-		img := &imageV1{}
-
-		if err := json.Unmarshal([]byte(m.History[i].V1Compatibility), img); err != nil {
-			return err
-		}
-
-		imgs[i] = img
-		if err := validateV1ID(img.ID); err != nil {
-			return err
-		}
-	}
-	if imgs[len(imgs)-1].Parent != "" {
-		return errors.New("Invalid parent ID in the base layer of the image")
-	}
-	// check general duplicates to error instead of a deadlock
-	idmap := make(map[string]struct{})
-	var lastID string
-	for _, img := range imgs {
-		// skip IDs that appear after each other, we handle those later
-		if _, exists := idmap[img.ID]; img.ID != lastID && exists {
-			return errors.Errorf("ID %+v appears multiple times in manifest", img.ID)
-		}
-		lastID = img.ID
-		idmap[lastID] = struct{}{}
-	}
-	// backwards loop so that we keep the remaining indexes after removing items
-	for i := len(imgs) - 2; i >= 0; i-- {
-		if imgs[i].ID == imgs[i+1].ID { // repeated ID. remove and continue
-			m.FSLayers = append(m.FSLayers[:i], m.FSLayers[i+1:]...)
-			m.History = append(m.History[:i], m.History[i+1:]...)
-		} else if imgs[i].Parent != imgs[i+1].ID {
-			return errors.Errorf("Invalid parent ID. Expected %v, got %v", imgs[i+1].ID, imgs[i].Parent)
-		}
-	}
-	return nil
-}
-
-var validHex = regexp.MustCompile(`^([a-f0-9]{64})$`)
-
-func validateV1ID(id string) error {
-	if ok := validHex.MatchString(id); !ok {
-		return errors.Errorf("image ID %q is invalid", id)
-	}
-	return nil
-}
-
-// Inspect returns various information for (skopeo inspect) parsed from the manifest and configuration.
-func (m *Schema1) Inspect(_ func(types.BlobInfo) ([]byte, error)) (*types.ImageInspectInfo, error) {
-	s1 := &Schema1V1Compatibility{}
-	if err := json.Unmarshal([]byte(m.History[0].V1Compatibility), s1); err != nil {
-		return nil, err
-	}
-	return &types.ImageInspectInfo{
-		Tag:           m.Tag,
-		Created:       s1.Created,
-		DockerVersion: "",
-		Labels:        make(map[string]string),
-		Architecture:  "",
-		Os:            "",
-		Layers:        []string{},
-	}, nil
-}
diff --git a/vendor/github.com/containers/image/manifest/docker_schema2.go b/vendor/github.com/containers/image/manifest/docker_schema2.go
deleted file mode 100644
index a44e561b8..000000000
--- a/vendor/github.com/containers/image/manifest/docker_schema2.go
+++ /dev/null
@@ -1,241 +0,0 @@
-package manifest
-
-import (
-	"encoding/json"
-	"time"
-
-	"github.com/containers/image/pkg/strslice"
-	"github.com/containers/image/types"
-	"github.com/opencontainers/go-digest"
-	"github.com/pkg/errors"
-)
-
-// Schema2Descriptor is a “descriptor” in docker/distribution schema 2.
-type Schema2Descriptor struct {
-	MediaType string        `json:"mediaType"`
-	Size      int64         `json:"size"`
-	Digest    digest.Digest `json:"digest"`
-	URLs      []string      `json:"urls,omitempty"`
-}
-
-// Schema2 is a manifest in docker/distribution schema 2.
-type Schema2 struct {
-	SchemaVersion     int                 `json:"schemaVersion"`
-	MediaType         string              `json:"mediaType"`
-	ConfigDescriptor  Schema2Descriptor   `json:"config"`
-	LayersDescriptors []Schema2Descriptor `json:"layers"`
-}
-
-// Schema2Port is a Port, a string containing port number and protocol in the
-// format "80/tcp", from docker/go-connections/nat.
-type Schema2Port string
-
-// Schema2PortSet is a PortSet, a collection of structs indexed by Port, from
-// docker/go-connections/nat.
-type Schema2PortSet map[Schema2Port]struct{}
-
-// Schema2HealthConfig is a HealthConfig, which holds configuration settings
-// for the HEALTHCHECK feature, from docker/docker/api/types/container.
-type Schema2HealthConfig struct {
-	// Test is the test to perform to check that the container is healthy.
-	// An empty slice means to inherit the default.
-	// The options are:
-	// {} : inherit healthcheck
-	// {"NONE"} : disable healthcheck
-	// {"CMD", args...} : exec arguments directly
-	// {"CMD-SHELL", command} : run command with system's default shell
-	Test []string `json:",omitempty"`
-
-	// Zero means to inherit. Durations are expressed as integer nanoseconds.
-	Interval time.Duration `json:",omitempty"` // Interval is the time to wait between checks.
-	Timeout  time.Duration `json:",omitempty"` // Timeout is the time to wait before considering the check to have hung.
-
-	// Retries is the number of consecutive failures needed to consider a container as unhealthy.
-	// Zero means inherit.
-	Retries int `json:",omitempty"`
-}
-
-// Schema2Config is a Config in docker/docker/api/types/container.
-type Schema2Config struct {
-	Hostname        string               // Hostname
-	Domainname      string               // Domainname
-	User            string               // User that will run the command(s) inside the container, also support user:group
-	AttachStdin     bool                 // Attach the standard input, makes possible user interaction
-	AttachStdout    bool                 // Attach the standard output
-	AttachStderr    bool                 // Attach the standard error
-	ExposedPorts    Schema2PortSet       `json:",omitempty"` // List of exposed ports
-	Tty             bool                 // Attach standard streams to a tty, including stdin if it is not closed.
-	OpenStdin       bool                 // Open stdin
-	StdinOnce       bool                 // If true, close stdin after the 1 attached client disconnects.
-	Env             []string             // List of environment variable to set in the container
-	Cmd             strslice.StrSlice    // Command to run when starting the container
-	Healthcheck     *Schema2HealthConfig `json:",omitempty"` // Healthcheck describes how to check the container is healthy
-	ArgsEscaped     bool                 `json:",omitempty"` // True if command is already escaped (Windows specific)
-	Image           string               // Name of the image as it was passed by the operator (e.g. could be symbolic)
-	Volumes         map[string]struct{}  // List of volumes (mounts) used for the container
-	WorkingDir      string               // Current directory (PWD) in the command will be launched
-	Entrypoint      strslice.StrSlice    // Entrypoint to run when starting the container
-	NetworkDisabled bool                 `json:",omitempty"` // Is network disabled
-	MacAddress      string               `json:",omitempty"` // Mac Address of the container
-	OnBuild         []string             // ONBUILD metadata that were defined on the image Dockerfile
-	Labels          map[string]string    // List of labels set to this container
-	StopSignal      string               `json:",omitempty"` // Signal to stop a container
-	StopTimeout     *int                 `json:",omitempty"` // Timeout (in seconds) to stop a container
-	Shell           strslice.StrSlice    `json:",omitempty"` // Shell for shell-form of RUN, CMD, ENTRYPOINT
-}
-
-// Schema2V1Image is a V1Image in docker/docker/image.
-type Schema2V1Image struct {
-	// ID is a unique 64 character identifier of the image
-	ID string `json:"id,omitempty"`
-	// Parent is the ID of the parent image
-	Parent string `json:"parent,omitempty"`
-	// Comment is the commit message that was set when committing the image
-	Comment string `json:"comment,omitempty"`
-	// Created is the timestamp at which the image was created
-	Created time.Time `json:"created"`
-	// Container is the id of the container used to commit
-	Container string `json:"container,omitempty"`
-	// ContainerConfig is the configuration of the container that is committed into the image
-	ContainerConfig Schema2Config `json:"container_config,omitempty"`
-	// DockerVersion specifies the version of Docker that was used to build the image
-	DockerVersion string `json:"docker_version,omitempty"`
-	// Author is the name of the author that was specified when committing the image
-	Author string `json:"author,omitempty"`
-	// Config is the configuration of the container received from the client
-	Config *Schema2Config `json:"config,omitempty"`
-	// Architecture is the hardware that the image is build and runs on
-	Architecture string `json:"architecture,omitempty"`
-	// OS is the operating system used to build and run the image
-	OS string `json:"os,omitempty"`
-	// Size is the total size of the image including all layers it is composed of
-	Size int64 `json:",omitempty"`
-}
-
-// Schema2RootFS is a description of how to build up an image's root filesystem, from docker/docker/image.
-type Schema2RootFS struct {
-	Type    string          `json:"type"`
-	DiffIDs []digest.Digest `json:"diff_ids,omitempty"`
-}
-
-// Schema2History stores build commands that were used to create an image, from docker/docker/image.
-type Schema2History struct {
-	// Created is the timestamp at which the image was created
-	Created time.Time `json:"created"`
-	// Author is the name of the author that was specified when committing the image
-	Author string `json:"author,omitempty"`
-	// CreatedBy keeps the Dockerfile command used while building the image
-	CreatedBy string `json:"created_by,omitempty"`
-	// Comment is the commit message that was set when committing the image
-	Comment string `json:"comment,omitempty"`
-	// EmptyLayer is set to true if this history item did not generate a
-	// layer. Otherwise, the history item is associated with the next
-	// layer in the RootFS section.
-	EmptyLayer bool `json:"empty_layer,omitempty"`
-}
-
-// Schema2Image is an Image in docker/docker/image.
-type Schema2Image struct {
-	Schema2V1Image
-	Parent     digest.Digest    `json:"parent,omitempty"`
-	RootFS     *Schema2RootFS   `json:"rootfs,omitempty"`
-	History    []Schema2History `json:"history,omitempty"`
-	OSVersion  string           `json:"os.version,omitempty"`
-	OSFeatures []string         `json:"os.features,omitempty"`
-
-	// rawJSON caches the immutable JSON associated with this image.
-	rawJSON []byte
-
-	// computedID is the ID computed from the hash of the image config.
-	// Not to be confused with the legacy V1 ID in V1Image.
-	computedID digest.Digest
-}
-
-// Schema2FromManifest creates a Schema2 manifest instance from a manifest blob.
-func Schema2FromManifest(manifest []byte) (*Schema2, error) {
-	s2 := Schema2{}
-	if err := json.Unmarshal(manifest, &s2); err != nil {
-		return nil, err
-	}
-	return &s2, nil
-}
-
-// Schema2FromComponents creates an Schema2 manifest instance from the supplied data.
-func Schema2FromComponents(config Schema2Descriptor, layers []Schema2Descriptor) *Schema2 {
-	return &Schema2{
-		SchemaVersion:     2,
-		MediaType:         DockerV2Schema2MediaType,
-		ConfigDescriptor:  config,
-		LayersDescriptors: layers,
-	}
-}
-
-// Schema2Clone creates a copy of the supplied Schema2 manifest.
-func Schema2Clone(src *Schema2) *Schema2 {
-	copy := *src
-	return &copy
-}
-
-// ConfigInfo returns a complete BlobInfo for the separate config object, or a BlobInfo{Digest:""} if there isn't a separate object.
-func (m *Schema2) ConfigInfo() types.BlobInfo {
-	return types.BlobInfo{Digest: m.ConfigDescriptor.Digest, Size: m.ConfigDescriptor.Size, MediaType: DockerV2Schema2ConfigMediaType}
-}
-
-// LayerInfos returns a list of BlobInfos of layers referenced by this image, in order (the root layer first, and then successive layered layers).
-// The Digest field is guaranteed to be provided; Size may be -1.
-// WARNING: The list may contain duplicates, and they are semantically relevant.
-func (m *Schema2) LayerInfos() []types.BlobInfo {
-	blobs := []types.BlobInfo{}
-	for _, layer := range m.LayersDescriptors {
-		blobs = append(blobs, types.BlobInfo{
-			Digest:    layer.Digest,
-			Size:      layer.Size,
-			URLs:      layer.URLs,
-			MediaType: layer.MediaType,
-		})
-	}
-	return blobs
-}
-
-// UpdateLayerInfos replaces the original layers with the specified BlobInfos (size+digest+urls), in order (the root layer first, and then successive layered layers)
-func (m *Schema2) UpdateLayerInfos(layerInfos []types.BlobInfo) error {
-	if len(m.LayersDescriptors) != len(layerInfos) {
-		return errors.Errorf("Error preparing updated manifest: layer count changed from %d to %d", len(m.LayersDescriptors), len(layerInfos))
-	}
-	original := m.LayersDescriptors
-	m.LayersDescriptors = make([]Schema2Descriptor, len(layerInfos))
-	for i, info := range layerInfos {
-		m.LayersDescriptors[i].MediaType = original[i].MediaType
-		m.LayersDescriptors[i].Digest = info.Digest
-		m.LayersDescriptors[i].Size = info.Size
-		m.LayersDescriptors[i].URLs = info.URLs
-	}
-	return nil
-}
-
-// Serialize returns the manifest in a blob format.
-// NOTE: Serialize() does not in general reproduce the original blob if this object was loaded from one, even if no modifications were made!
-func (m *Schema2) Serialize() ([]byte, error) {
-	return json.Marshal(*m)
-}
-
-// Inspect returns various information for (skopeo inspect) parsed from the manifest and configuration.
-func (m *Schema2) Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*types.ImageInspectInfo, error) {
-	config, err := configGetter(m.ConfigInfo())
-	if err != nil {
-		return nil, err
-	}
-	s2 := &Schema2Image{}
-	if err := json.Unmarshal(config, s2); err != nil {
-		return nil, err
-	}
-	return &types.ImageInspectInfo{
-		Tag:           "",
-		Created:       s2.Created,
-		DockerVersion: s2.DockerVersion,
-		Labels:        s2.Config.Labels,
-		Architecture:  s2.Architecture,
-		Os:            s2.OS,
-		Layers:        []string{},
-	}, nil
-}
diff --git a/vendor/github.com/containers/image/manifest/manifest.go b/vendor/github.com/containers/image/manifest/manifest.go
index 01f57a325..2e67763f3 100644
--- a/vendor/github.com/containers/image/manifest/manifest.go
+++ b/vendor/github.com/containers/image/manifest/manifest.go
@@ -2,9 +2,7 @@ package manifest
 
 import (
 	"encoding/json"
-	"fmt"
 
-	"github.com/containers/image/types"
 	"github.com/docker/libtrust"
 	"github.com/opencontainers/go-digest"
 	imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
@@ -37,34 +35,7 @@ var DefaultRequestedManifestMIMETypes = []string{
 	DockerV2Schema2MediaType,
 	DockerV2Schema1SignedMediaType,
 	DockerV2Schema1MediaType,
-	// DockerV2ListMediaType, // FIXME: Restore this ASAP
-}
-
-// Manifest is an interface for parsing, modifying image manifests in isolation.
-// Callers can either use this abstract interface without understanding the details of the formats,
-// or instantiate a specific implementation (e.g. manifest.OCI1) and access the public members
-// directly.
-//
-// See types.Image for functionality not limited to manifests, including format conversions and config parsing.
-// This interface is similar to, but not strictly equivalent to, the equivalent methods in types.Image.
-type Manifest interface {
-	// ConfigInfo returns a complete BlobInfo for the separate config object, or a BlobInfo{Digest:""} if there isn't a separate object.
-	ConfigInfo() types.BlobInfo
-	// LayerInfos returns a list of BlobInfos of layers referenced by this image, in order (the root layer first, and then successive layered layers).
-	// The Digest field is guaranteed to be provided; Size may be -1.
-	// WARNING: The list may contain duplicates, and they are semantically relevant.
-	LayerInfos() []types.BlobInfo
-	// UpdateLayerInfos replaces the original layers with the specified BlobInfos (size+digest+urls), in order (the root layer first, and then successive layered layers)
-	UpdateLayerInfos(layerInfos []types.BlobInfo) error
-
-	// Inspect returns various information for (skopeo inspect) parsed from the manifest,
-	// incorporating information from a configuration blob returned by configGetter, if
-	// the underlying image format is expected to include a configuration blob.
-	Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*types.ImageInspectInfo, error)
-
-	// Serialize returns the manifest in a blob format.
-	// NOTE: Serialize() does not in general reproduce the original blob if this object was loaded from one, even if no modifications were made!
-	Serialize() ([]byte, error)
+	DockerV2ListMediaType,
 }
 
 // GuessMIMEType guesses MIME type of a manifest and returns it _if it is recognized_, or "" if unknown or unrecognized.
@@ -172,46 +143,7 @@ func AddDummyV2S1Signature(manifest []byte) ([]byte, error) {
 	return js.PrettySignature("signatures")
 }
 
-// NormalizedMIMEType returns the effective MIME type of a manifest MIME type returned by a server,
-// centralizing various workarounds.
-func NormalizedMIMEType(input string) string {
-	switch input {
-	// "application/json" is a valid v2s1 value per https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-1.md .
-	// This works for now, when nothing else seems to return "application/json"; if that were not true, the mapping/detection might
-	// need to happen within the ImageSource.
-	case "application/json":
-		return DockerV2Schema1SignedMediaType
-	case DockerV2Schema1MediaType, DockerV2Schema1SignedMediaType,
-		imgspecv1.MediaTypeImageManifest,
-		DockerV2Schema2MediaType,
-		DockerV2ListMediaType:
-		return input
-	default:
-		// If it's not a recognized manifest media type, or we have failed determining the type, we'll try one last time
-		// to deserialize using v2s1 as per https://github.com/docker/distribution/blob/master/manifests.go#L108
-		// and https://github.com/docker/distribution/blob/master/manifest/schema1/manifest.go#L50
-		//
-		// Crane registries can also return "text/plain", or pretty much anything else depending on a file extension “recognized” in the tag.
-		// This makes no real sense, but it happens
-		// because requests for manifests are
-		// redirected to a content distribution
-		// network which is configured that way. See https://bugzilla.redhat.com/show_bug.cgi?id=1389442
-		return DockerV2Schema1SignedMediaType
-	}
-}
-
-// FromBlob returns a Manifest instance for the specified manifest blob and the corresponding MIME type
-func FromBlob(manblob []byte, mt string) (Manifest, error) {
-	switch NormalizedMIMEType(mt) {
-	case DockerV2Schema1MediaType, DockerV2Schema1SignedMediaType:
-		return Schema1FromManifest(manblob)
-	case imgspecv1.MediaTypeImageManifest:
-		return OCI1FromManifest(manblob)
-	case DockerV2Schema2MediaType:
-		return Schema2FromManifest(manblob)
-	case DockerV2ListMediaType:
-		return nil, fmt.Errorf("Treating manifest lists as individual manifests is not implemented")
-	default: // Note that this may not be reachable, NormalizedMIMEType has a default for unknown values.
-		return nil, fmt.Errorf("Unimplemented manifest MIME type %s", mt)
-	}
+// MIMETypeIsMultiImage returns true if mimeType is a list of images
+func MIMETypeIsMultiImage(mimeType string) bool {
+	return mimeType == DockerV2ListMediaType
 }
diff --git a/vendor/github.com/containers/image/manifest/oci.go b/vendor/github.com/containers/image/manifest/oci.go
deleted file mode 100644
index 18e27d23c..000000000
--- a/vendor/github.com/containers/image/manifest/oci.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package manifest
-
-import (
-	"encoding/json"
-	"time"
-
-	"github.com/containers/image/types"
-	"github.com/opencontainers/image-spec/specs-go"
-	imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
-	"github.com/pkg/errors"
-)
-
-// OCI1 is a manifest.Manifest implementation for OCI images.
-// The underlying data from imgspecv1.Manifest is also available.
-type OCI1 struct {
-	imgspecv1.Manifest
-}
-
-// OCI1FromManifest creates an OCI1 manifest instance from a manifest blob.
-func OCI1FromManifest(manifest []byte) (*OCI1, error) {
-	oci1 := OCI1{}
-	if err := json.Unmarshal(manifest, &oci1); err != nil {
-		return nil, err
-	}
-	return &oci1, nil
-}
-
-// OCI1FromComponents creates an OCI1 manifest instance from the supplied data.
-func OCI1FromComponents(config imgspecv1.Descriptor, layers []imgspecv1.Descriptor) *OCI1 {
-	return &OCI1{
-		imgspecv1.Manifest{
-			Versioned: specs.Versioned{SchemaVersion: 2},
-			Config:    config,
-			Layers:    layers,
-		},
-	}
-}
-
-// OCI1Clone creates a copy of the supplied OCI1 manifest.
-func OCI1Clone(src *OCI1) *OCI1 {
-	return &OCI1{
-		Manifest: src.Manifest,
-	}
-}
-
-// ConfigInfo returns a complete BlobInfo for the separate config object, or a BlobInfo{Digest:""} if there isn't a separate object.
-func (m *OCI1) ConfigInfo() types.BlobInfo {
-	return types.BlobInfo{Digest: m.Config.Digest, Size: m.Config.Size, Annotations: m.Config.Annotations, MediaType: imgspecv1.MediaTypeImageConfig}
-}
-
-// LayerInfos returns a list of BlobInfos of layers referenced by this image, in order (the root layer first, and then successive layered layers).
-// The Digest field is guaranteed to be provided; Size may be -1.
-// WARNING: The list may contain duplicates, and they are semantically relevant.
-func (m *OCI1) LayerInfos() []types.BlobInfo {
-	blobs := []types.BlobInfo{}
-	for _, layer := range m.Layers {
-		blobs = append(blobs, types.BlobInfo{Digest: layer.Digest, Size: layer.Size, Annotations: layer.Annotations, URLs: layer.URLs, MediaType: layer.MediaType})
-	}
-	return blobs
-}
-
-// UpdateLayerInfos replaces the original layers with the specified BlobInfos (size+digest+urls), in order (the root layer first, and then successive layered layers)
-func (m *OCI1) UpdateLayerInfos(layerInfos []types.BlobInfo) error {
-	if len(m.Layers) != len(layerInfos) {
-		return errors.Errorf("Error preparing updated manifest: layer count changed from %d to %d", len(m.Layers), len(layerInfos))
-	}
-	original := m.Layers
-	m.Layers = make([]imgspecv1.Descriptor, len(layerInfos))
-	for i, info := range layerInfos {
-		m.Layers[i].MediaType = original[i].MediaType
-		m.Layers[i].Digest = info.Digest
-		m.Layers[i].Size = info.Size
-		m.Layers[i].Annotations = info.Annotations
-		m.Layers[i].URLs = info.URLs
-	}
-	return nil
-}
-
-// Serialize returns the manifest in a blob format.
-// NOTE: Serialize() does not in general reproduce the original blob if this object was loaded from one, even if no modifications were made!
-func (m *OCI1) Serialize() ([]byte, error) {
-	return json.Marshal(*m)
-}
-
-// Inspect returns various information for (skopeo inspect) parsed from the manifest and configuration.
-func (m *OCI1) Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*types.ImageInspectInfo, error) {
-	config, err := configGetter(m.ConfigInfo())
-	if err != nil {
-		return nil, err
-	}
-	v1 := &imgspecv1.Image{}
-	if err := json.Unmarshal(config, v1); err != nil {
-		return nil, err
-	}
-	created := time.Time{}
-	if v1.Created != nil {
-		created = *v1.Created
-	}
-	return &types.ImageInspectInfo{
-		Tag:           "",
-		Created:       created,
-		DockerVersion: "",
-		Labels:        v1.Config.Labels,
-		Architecture:  v1.Architecture,
-		Os:            v1.OS,
-		Layers:        []string{},
-	}, nil
-}
diff --git a/vendor/github.com/containers/image/oci/archive/oci_src.go b/vendor/github.com/containers/image/oci/archive/oci_src.go
index fd437f5a9..7d034a4f4 100644
--- a/vendor/github.com/containers/image/oci/archive/oci_src.go
+++ b/vendor/github.com/containers/image/oci/archive/oci_src.go
@@ -68,14 +68,12 @@ func (s *ociArchiveImageSource) Close() error {
 	return s.unpackedSrc.Close()
 }
 
-// GetManifest returns the image's manifest along with its MIME type
-// (which may be empty when it can't be determined but the manifest is available).
-func (s *ociArchiveImageSource) GetManifest() ([]byte, string, error) {
-	return s.unpackedSrc.GetManifest()
-}
-
-func (s *ociArchiveImageSource) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
-	return s.unpackedSrc.GetTargetManifest(digest)
+// GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
+// It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (s *ociArchiveImageSource) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
+	return s.unpackedSrc.GetManifest(instanceDigest)
 }
 
 // GetBlob returns a stream for the specified blob, and the blob's size.
@@ -83,10 +81,10 @@ func (s *ociArchiveImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int
 	return s.unpackedSrc.GetBlob(info)
 }
 
-func (s *ociArchiveImageSource) GetSignatures(c context.Context) ([][]byte, error) {
-	return s.unpackedSrc.GetSignatures(c)
-}
-
-func (s *ociArchiveImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	return nil
+// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (s *ociArchiveImageSource) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	return s.unpackedSrc.GetSignatures(ctx, instanceDigest)
 }
diff --git a/vendor/github.com/containers/image/oci/archive/oci_transport.go b/vendor/github.com/containers/image/oci/archive/oci_transport.go
index 31b191989..c4a4fa716 100644
--- a/vendor/github.com/containers/image/oci/archive/oci_transport.go
+++ b/vendor/github.com/containers/image/oci/archive/oci_transport.go
@@ -4,13 +4,13 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
-	"path/filepath"
-	"regexp"
 	"strings"
 
 	"github.com/containers/image/directory/explicitfilepath"
 	"github.com/containers/image/docker/reference"
 	"github.com/containers/image/image"
+	"github.com/containers/image/internal/tmpdir"
+	"github.com/containers/image/oci/internal"
 	ocilayout "github.com/containers/image/oci/layout"
 	"github.com/containers/image/transports"
 	"github.com/containers/image/types"
@@ -48,51 +48,12 @@ func (t ociArchiveTransport) ParseReference(reference string) (types.ImageRefere
 
 // ValidatePolicyConfigurationScope checks that scope is a valid name for a signature.PolicyTransportScopes keys
 func (t ociArchiveTransport) ValidatePolicyConfigurationScope(scope string) error {
-	var file string
-	sep := strings.SplitN(scope, ":", 2)
-	file = sep[0]
-
-	if len(sep) == 2 {
-		image := sep[1]
-		if !refRegexp.MatchString(image) {
-			return errors.Errorf("Invalid image %s", image)
-		}
-	}
-
-	if !strings.HasPrefix(file, "/") {
-		return errors.Errorf("Invalid scope %s: must be an absolute path", scope)
-	}
-	// Refuse also "/", otherwise "/" and "" would have the same semantics,
-	// and "" could be unexpectedly shadowed by the "/" entry.
-	// (Note: we do allow "/:someimage", a bit ridiculous but why refuse it?)
-	if scope == "/" {
-		return errors.New(`Invalid scope "/": Use the generic default scope ""`)
-	}
-	cleaned := filepath.Clean(file)
-	if cleaned != file {
-		return errors.Errorf(`Invalid scope %s: Uses non-canonical path format, perhaps try with path %s`, scope, cleaned)
-	}
-	return nil
+	return internal.ValidateScope(scope)
 }
 
-// annotation spex from https://github.com/opencontainers/image-spec/blob/master/annotations.md#pre-defined-annotation-keys
-const (
-	separator = `(?:[-._:@+]|--)`
-	alphanum  = `(?:[A-Za-z0-9]+)`
-	component = `(?:` + alphanum + `(?:` + separator + alphanum + `)*)`
-)
-
-var refRegexp = regexp.MustCompile(`^` + component + `(?:/` + component + `)*$`)
-
 // ParseReference converts a string, which should not start with the ImageTransport.Name prefix, into an OCI ImageReference.
 func ParseReference(reference string) (types.ImageReference, error) {
-	var file, image string
-	sep := strings.SplitN(reference, ":", 2)
-	file = sep[0]
-
-	if len(sep) == 2 {
-		image = sep[1]
-	}
+	file, image := internal.SplitPathAndImage(reference)
 	return NewReference(file, image)
 }
 
@@ -102,14 +63,15 @@ func NewReference(file, image string) (types.ImageReference, error) {
 	if err != nil {
 		return nil, err
 	}
-	// This is necessary to prevent directory paths returned by PolicyConfigurationNamespaces
-	// from being ambiguous with values of PolicyConfigurationIdentity.
-	if strings.Contains(resolved, ":") {
-		return nil, errors.Errorf("Invalid OCI reference %s:%s: path %s contains a colon", file, image, resolved)
+
+	if err := internal.ValidateOCIPath(file); err != nil {
+		return nil, err
 	}
-	if len(image) > 0 && !refRegexp.MatchString(image) {
-		return nil, errors.Errorf("Invalid image %s", image)
+
+	if err := internal.ValidateImageName(image); err != nil {
+		return nil, err
 	}
+
 	return ociArchiveReference{file: file, resolvedFile: resolved, image: image}, nil
 }
 
@@ -154,14 +116,17 @@ func (ref ociArchiveReference) PolicyConfigurationNamespaces() []string {
 	return res
 }
 
-// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-// The caller must call .Close() on the returned Image.
-func (ref ociArchiveReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
+// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
+// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (ref ociArchiveReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	src, err := newImageSource(ctx, ref)
 	if err != nil {
 		return nil, err
 	}
-	return image.FromSource(src)
+	return image.FromSource(ctx, src)
 }
 
 // NewImageSource returns a types.ImageSource for this reference.
@@ -194,7 +159,7 @@ func (t *tempDirOCIRef) deleteTempDir() error {
 
 // createOCIRef creates the oci reference of the image
 func createOCIRef(image string) (tempDirOCIRef, error) {
-	dir, err := ioutil.TempDir("/var/tmp", "oci")
+	dir, err := ioutil.TempDir(tmpdir.TemporaryDirectoryForBigFiles(), "oci")
 	if err != nil {
 		return tempDirOCIRef{}, errors.Wrapf(err, "error creating temp directory")
 	}
diff --git a/vendor/github.com/containers/image/oci/internal/oci_util.go b/vendor/github.com/containers/image/oci/internal/oci_util.go
new file mode 100644
index 000000000..c2012e50e
--- /dev/null
+++ b/vendor/github.com/containers/image/oci/internal/oci_util.go
@@ -0,0 +1,126 @@
+package internal
+
+import (
+	"github.com/pkg/errors"
+	"path/filepath"
+	"regexp"
+	"runtime"
+	"strings"
+)
+
+// annotation spex from https://github.com/opencontainers/image-spec/blob/master/annotations.md#pre-defined-annotation-keys
+const (
+	separator = `(?:[-._:@+]|--)`
+	alphanum  = `(?:[A-Za-z0-9]+)`
+	component = `(?:` + alphanum + `(?:` + separator + alphanum + `)*)`
+)
+
+var refRegexp = regexp.MustCompile(`^` + component + `(?:/` + component + `)*$`)
+var windowsRefRegexp = regexp.MustCompile(`^([a-zA-Z]:\\.+?):(.*)$`)
+
+// ValidateImageName returns nil if the image name is empty or matches the open-containers image name specs.
+// In any other case an error is returned.
+func ValidateImageName(image string) error {
+	if len(image) == 0 {
+		return nil
+	}
+
+	var err error
+	if !refRegexp.MatchString(image) {
+		err = errors.Errorf("Invalid image %s", image)
+	}
+	return err
+}
+
+// SplitPathAndImage tries to split the provided OCI reference into the OCI path and image.
+// Neither path nor image parts are validated at this stage.
+func SplitPathAndImage(reference string) (string, string) {
+	if runtime.GOOS == "windows" {
+		return splitPathAndImageWindows(reference)
+	}
+	return splitPathAndImageNonWindows(reference)
+}
+
+func splitPathAndImageWindows(reference string) (string, string) {
+	groups := windowsRefRegexp.FindStringSubmatch(reference)
+	// nil group means no match
+	if groups == nil {
+		return reference, ""
+	}
+
+	// we expect three elements. First one full match, second the capture group for the path and
+	// the third the capture group for the image
+	if len(groups) != 3 {
+		return reference, ""
+	}
+	return groups[1], groups[2]
+}
+
+func splitPathAndImageNonWindows(reference string) (string, string) {
+	sep := strings.SplitN(reference, ":", 2)
+	path := sep[0]
+
+	var image string
+	if len(sep) == 2 {
+		image = sep[1]
+	}
+	return path, image
+}
+
+// ValidateOCIPath takes the OCI path and validates it.
+func ValidateOCIPath(path string) error {
+	if runtime.GOOS == "windows" {
+		// On Windows we must allow for a ':' as part of the path
+		if strings.Count(path, ":") > 1 {
+			return errors.Errorf("Invalid OCI reference: path %s contains more than one colon", path)
+		}
+	} else {
+		if strings.Contains(path, ":") {
+			return errors.Errorf("Invalid OCI reference: path %s contains a colon", path)
+		}
+	}
+	return nil
+}
+
+// ValidateScope validates a policy configuration scope for an OCI transport.
+func ValidateScope(scope string) error {
+	var err error
+	if runtime.GOOS == "windows" {
+		err = validateScopeWindows(scope)
+	} else {
+		err = validateScopeNonWindows(scope)
+	}
+	if err != nil {
+		return err
+	}
+
+	cleaned := filepath.Clean(scope)
+	if cleaned != scope {
+		return errors.Errorf(`Invalid scope %s: Uses non-canonical path format, perhaps try with path %s`, scope, cleaned)
+	}
+
+	return nil
+}
+
+func validateScopeWindows(scope string) error {
+	matched, _ := regexp.Match(`^[a-zA-Z]:\\`, []byte(scope))
+	if !matched {
+		return errors.Errorf("Invalid scope '%s'. Must be an absolute path", scope)
+	}
+
+	return nil
+}
+
+func validateScopeNonWindows(scope string) error {
+	if !strings.HasPrefix(scope, "/") {
+		return errors.Errorf("Invalid scope %s: must be an absolute path", scope)
+	}
+
+	// Refuse also "/", otherwise "/" and "" would have the same semantics,
+	// and "" could be unexpectedly shadowed by the "/" entry.
+	if scope == "/" {
+		return errors.New(`Invalid scope "/": Use the generic default scope ""`)
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/containers/image/oci/layout/oci_dest.go b/vendor/github.com/containers/image/oci/layout/oci_dest.go
index 4c6d349ed..e95f65167 100644
--- a/vendor/github.com/containers/image/oci/layout/oci_dest.go
+++ b/vendor/github.com/containers/image/oci/layout/oci_dest.go
@@ -18,12 +18,13 @@ import (
 )
 
 type ociImageDestination struct {
-	ref   ociReference
-	index imgspecv1.Index
+	ref           ociReference
+	index         imgspecv1.Index
+	sharedBlobDir string
 }
 
 // newImageDestination returns an ImageDestination for writing to an existing directory.
-func newImageDestination(ref ociReference) (types.ImageDestination, error) {
+func newImageDestination(ctx *types.SystemContext, ref ociReference) (types.ImageDestination, error) {
 	if ref.image == "" {
 		return nil, errors.Errorf("cannot save image with empty image.ref.name")
 	}
@@ -43,7 +44,21 @@ func newImageDestination(ref ociReference) (types.ImageDestination, error) {
 		}
 	}
 
-	return &ociImageDestination{ref: ref, index: *index}, nil
+	d := &ociImageDestination{ref: ref, index: *index}
+	if ctx != nil {
+		d.sharedBlobDir = ctx.OCISharedBlobDirPath
+	}
+
+	if err := ensureDirectoryExists(d.ref.dir); err != nil {
+		return nil, err
+	}
+	// Per the OCI image specification, layouts MUST have a "blobs" subdirectory,
+	// but it MAY be empty (e.g. if we never end up calling PutBlob)
+	// https://github.com/opencontainers/image-spec/blame/7c889fafd04a893f5c5f50b7ab9963d5d64e5242/image-layout.md#L19
+	if err := ensureDirectoryExists(filepath.Join(d.ref.dir, "blobs")); err != nil {
+		return nil, err
+	}
+	return d, nil
 }
 
 // Reference returns the reference used to set up this destination.  Note that this should directly correspond to user's intent,
@@ -92,16 +107,16 @@ func (d *ociImageDestination) MustMatchRuntimeOS() bool {
 // to any other readers for download using the supplied digest.
 // If stream.Read() at any time, ESPECIALLY at end of input, returns an error, PutBlob MUST 1) fail, and 2) delete any data stored so far.
 func (d *ociImageDestination) PutBlob(stream io.Reader, inputInfo types.BlobInfo) (types.BlobInfo, error) {
-	if err := ensureDirectoryExists(d.ref.dir); err != nil {
-		return types.BlobInfo{}, err
-	}
 	blobFile, err := ioutil.TempFile(d.ref.dir, "oci-put-blob")
 	if err != nil {
 		return types.BlobInfo{}, err
 	}
 	succeeded := false
+	explicitClosed := false
 	defer func() {
-		blobFile.Close()
+		if !explicitClosed {
+			blobFile.Close()
+		}
 		if !succeeded {
 			os.Remove(blobFile.Name())
 		}
@@ -121,17 +136,28 @@ func (d *ociImageDestination) PutBlob(stream io.Reader, inputInfo types.BlobInfo
 	if err := blobFile.Sync(); err != nil {
 		return types.BlobInfo{}, err
 	}
-	if err := blobFile.Chmod(0644); err != nil {
-		return types.BlobInfo{}, err
+
+	// On POSIX systems, blobFile was created with mode 0600, so we need to make it readable.
+	// On Windows, the “permissions of newly created files” argument to syscall.Open is
+	// ignored and the file is already readable; besides, blobFile.Chmod, i.e. syscall.Fchmod,
+	// always fails on Windows.
+	if runtime.GOOS != "windows" {
+		if err := blobFile.Chmod(0644); err != nil {
+			return types.BlobInfo{}, err
+		}
 	}
 
-	blobPath, err := d.ref.blobPath(computedDigest)
+	blobPath, err := d.ref.blobPath(computedDigest, d.sharedBlobDir)
 	if err != nil {
 		return types.BlobInfo{}, err
 	}
 	if err := ensureParentDirectoryExists(blobPath); err != nil {
 		return types.BlobInfo{}, err
 	}
+
+	// need to explicitly close the file, since a rename won't otherwise not work on Windows
+	blobFile.Close()
+	explicitClosed = true
 	if err := os.Rename(blobFile.Name(), blobPath); err != nil {
 		return types.BlobInfo{}, err
 	}
@@ -147,7 +173,7 @@ func (d *ociImageDestination) HasBlob(info types.BlobInfo) (bool, int64, error)
 	if info.Digest == "" {
 		return false, -1, errors.Errorf(`"Can not check for a blob with unknown digest`)
 	}
-	blobPath, err := d.ref.blobPath(info.Digest)
+	blobPath, err := d.ref.blobPath(info.Digest, d.sharedBlobDir)
 	if err != nil {
 		return false, -1, err
 	}
@@ -180,7 +206,7 @@ func (d *ociImageDestination) PutManifest(m []byte) error {
 	desc.MediaType = imgspecv1.MediaTypeImageManifest
 	desc.Size = int64(len(m))
 
-	blobPath, err := d.ref.blobPath(digest)
+	blobPath, err := d.ref.blobPath(digest, d.sharedBlobDir)
 	if err != nil {
 		return err
 	}
diff --git a/vendor/github.com/containers/image/oci/layout/oci_src.go b/vendor/github.com/containers/image/oci/layout/oci_src.go
index 67f0c3b82..f0dac34e5 100644
--- a/vendor/github.com/containers/image/oci/layout/oci_src.go
+++ b/vendor/github.com/containers/image/oci/layout/oci_src.go
@@ -17,9 +17,10 @@ import (
 )
 
 type ociImageSource struct {
-	ref        ociReference
-	descriptor imgspecv1.Descriptor
-	client     *http.Client
+	ref           ociReference
+	descriptor    imgspecv1.Descriptor
+	client        *http.Client
+	sharedBlobDir string
 }
 
 // newImageSource returns an ImageSource for reading from an existing directory.
@@ -40,7 +41,12 @@ func newImageSource(ctx *types.SystemContext, ref ociReference) (types.ImageSour
 	if err != nil {
 		return nil, err
 	}
-	return &ociImageSource{ref: ref, descriptor: descriptor, client: client}, nil
+	d := &ociImageSource{ref: ref, descriptor: descriptor, client: client}
+	if ctx != nil {
+		// TODO(jonboulle): check dir existence?
+		d.sharedBlobDir = ctx.OCISharedBlobDirPath
+	}
+	return d, nil
 }
 
 // Reference returns the reference used to set up this source.
@@ -55,35 +61,35 @@ func (s *ociImageSource) Close() error {
 
 // GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
 // It may use a remote (= slow) service.
-func (s *ociImageSource) GetManifest() ([]byte, string, error) {
-	manifestPath, err := s.ref.blobPath(digest.Digest(s.descriptor.Digest))
-	if err != nil {
-		return nil, "", err
-	}
-	m, err := ioutil.ReadFile(manifestPath)
-	if err != nil {
-		return nil, "", err
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (s *ociImageSource) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
+	var dig digest.Digest
+	var mimeType string
+	if instanceDigest == nil {
+		dig = digest.Digest(s.descriptor.Digest)
+		mimeType = s.descriptor.MediaType
+	} else {
+		dig = *instanceDigest
+		// XXX: instanceDigest means that we don't immediately have the context of what
+		//      mediaType the manifest has. In OCI this means that we don't know
+		//      what reference it came from, so we just *assume* that its
+		//      MediaTypeImageManifest.
+		// FIXME: We should actually be able to look up the manifest in the index,
+		// and see the MIME type there.
+		mimeType = imgspecv1.MediaTypeImageManifest
 	}
 
-	return m, s.descriptor.MediaType, nil
-}
-
-func (s *ociImageSource) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
-	manifestPath, err := s.ref.blobPath(digest)
+	manifestPath, err := s.ref.blobPath(dig, s.sharedBlobDir)
 	if err != nil {
 		return nil, "", err
 	}
-
 	m, err := ioutil.ReadFile(manifestPath)
 	if err != nil {
 		return nil, "", err
 	}
 
-	// XXX: GetTargetManifest means that we don't have the context of what
-	//      mediaType the manifest has. In OCI this means that we don't know
-	//      what reference it came from, so we just *assume* that its
-	//      MediaTypeImageManifest.
-	return m, imgspecv1.MediaTypeImageManifest, nil
+	return m, mimeType, nil
 }
 
 // GetBlob returns a stream for the specified blob, and the blob's size.
@@ -92,7 +98,7 @@ func (s *ociImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int64, err
 		return s.getExternalBlob(info.URLs)
 	}
 
-	path, err := s.ref.blobPath(info.Digest)
+	path, err := s.ref.blobPath(info.Digest, s.sharedBlobDir)
 	if err != nil {
 		return nil, 0, err
 	}
@@ -108,7 +114,11 @@ func (s *ociImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int64, err
 	return r, fi.Size(), nil
 }
 
-func (s *ociImageSource) GetSignatures(context.Context) ([][]byte, error) {
+// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (s *ociImageSource) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
 	return [][]byte{}, nil
 }
 
@@ -133,11 +143,6 @@ func (s *ociImageSource) getExternalBlob(urls []string) (io.ReadCloser, int64, e
 	return nil, 0, errWrap
 }
 
-// UpdatedLayerInfos() returns updated layer info that should be used when reading, in preference to values in the manifest, if specified.
-func (s *ociImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	return nil
-}
-
 func getBlobSize(resp *http.Response) int64 {
 	size, err := strconv.ParseInt(resp.Header.Get("Content-Length"), 10, 64)
 	if err != nil {
diff --git a/vendor/github.com/containers/image/oci/layout/oci_transport.go b/vendor/github.com/containers/image/oci/layout/oci_transport.go
index 77730f390..c181c4c77 100644
--- a/vendor/github.com/containers/image/oci/layout/oci_transport.go
+++ b/vendor/github.com/containers/image/oci/layout/oci_transport.go
@@ -5,12 +5,12 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
-	"regexp"
 	"strings"
 
 	"github.com/containers/image/directory/explicitfilepath"
 	"github.com/containers/image/docker/reference"
 	"github.com/containers/image/image"
+	"github.com/containers/image/oci/internal"
 	"github.com/containers/image/transports"
 	"github.com/containers/image/types"
 	"github.com/opencontainers/go-digest"
@@ -36,45 +36,12 @@ func (t ociTransport) ParseReference(reference string) (types.ImageReference, er
 	return ParseReference(reference)
 }
 
-// annotation spex from https://github.com/opencontainers/image-spec/blob/master/annotations.md#pre-defined-annotation-keys
-const (
-	separator = `(?:[-._:@+]|--)`
-	alphanum  = `(?:[A-Za-z0-9]+)`
-	component = `(?:` + alphanum + `(?:` + separator + alphanum + `)*)`
-)
-
-var refRegexp = regexp.MustCompile(`^` + component + `(?:/` + component + `)*$`)
-
 // ValidatePolicyConfigurationScope checks that scope is a valid name for a signature.PolicyTransportScopes keys
 // (i.e. a valid PolicyConfigurationIdentity() or PolicyConfigurationNamespaces() return value).
 // It is acceptable to allow an invalid value which will never be matched, it can "only" cause user confusion.
 // scope passed to this function will not be "", that value is always allowed.
 func (t ociTransport) ValidatePolicyConfigurationScope(scope string) error {
-	var dir string
-	sep := strings.SplitN(scope, ":", 2)
-	dir = sep[0]
-
-	if len(sep) == 2 {
-		image := sep[1]
-		if !refRegexp.MatchString(image) {
-			return errors.Errorf("Invalid image %s", image)
-		}
-	}
-
-	if !strings.HasPrefix(dir, "/") {
-		return errors.Errorf("Invalid scope %s: must be an absolute path", scope)
-	}
-	// Refuse also "/", otherwise "/" and "" would have the same semantics,
-	// and "" could be unexpectedly shadowed by the "/" entry.
-	// (Note: we do allow "/:someimage", a bit ridiculous but why refuse it?)
-	if scope == "/" {
-		return errors.New(`Invalid scope "/": Use the generic default scope ""`)
-	}
-	cleaned := filepath.Clean(dir)
-	if cleaned != dir {
-		return errors.Errorf(`Invalid scope %s: Uses non-canonical path format, perhaps try with path %s`, scope, cleaned)
-	}
-	return nil
+	return internal.ValidateScope(scope)
 }
 
 // ociReference is an ImageReference for OCI directory paths.
@@ -92,13 +59,7 @@ type ociReference struct {
 
 // ParseReference converts a string, which should not start with the ImageTransport.Name prefix, into an OCI ImageReference.
 func ParseReference(reference string) (types.ImageReference, error) {
-	var dir, image string
-	sep := strings.SplitN(reference, ":", 2)
-	dir = sep[0]
-
-	if len(sep) == 2 {
-		image = sep[1]
-	}
+	dir, image := internal.SplitPathAndImage(reference)
 	return NewReference(dir, image)
 }
 
@@ -111,14 +72,15 @@ func NewReference(dir, image string) (types.ImageReference, error) {
 	if err != nil {
 		return nil, err
 	}
-	// This is necessary to prevent directory paths returned by PolicyConfigurationNamespaces
-	// from being ambiguous with values of PolicyConfigurationIdentity.
-	if strings.Contains(resolved, ":") {
-		return nil, errors.Errorf("Invalid OCI reference %s:%s: path %s contains a colon", dir, image, resolved)
+
+	if err := internal.ValidateOCIPath(dir); err != nil {
+		return nil, err
 	}
-	if len(image) > 0 && !refRegexp.MatchString(image) {
-		return nil, errors.Errorf("Invalid image %s", image)
+
+	if err = internal.ValidateImageName(image); err != nil {
+		return nil, err
 	}
+
 	return ociReference{dir: dir, resolvedDir: resolved, image: image}, nil
 }
 
@@ -177,16 +139,17 @@ func (ref ociReference) PolicyConfigurationNamespaces() []string {
 	return res
 }
 
-// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-// The caller must call .Close() on the returned Image.
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
 // NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 // verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
-func (ref ociReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (ref ociReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	src, err := newImageSource(ctx, ref)
 	if err != nil {
 		return nil, err
 	}
-	return image.FromSource(src)
+	return image.FromSource(ctx, src)
 }
 
 // getIndex returns a pointer to the index references by this ociReference. If an error occurs opening an index nil is returned together
@@ -261,7 +224,7 @@ func (ref ociReference) NewImageSource(ctx *types.SystemContext) (types.ImageSou
 // NewImageDestination returns a types.ImageDestination for this reference.
 // The caller must call .Close() on the returned ImageDestination.
 func (ref ociReference) NewImageDestination(ctx *types.SystemContext) (types.ImageDestination, error) {
-	return newImageDestination(ref)
+	return newImageDestination(ctx, ref)
 }
 
 // DeleteImage deletes the named image from the registry, if supported.
@@ -280,9 +243,13 @@ func (ref ociReference) indexPath() string {
 }
 
 // blobPath returns a path for a blob within a directory using OCI image-layout conventions.
-func (ref ociReference) blobPath(digest digest.Digest) (string, error) {
+func (ref ociReference) blobPath(digest digest.Digest, sharedBlobDir string) (string, error) {
 	if err := digest.Validate(); err != nil {
 		return "", errors.Wrapf(err, "unexpected digest reference %s", digest)
 	}
-	return filepath.Join(ref.dir, "blobs", digest.Algorithm().String(), digest.Hex()), nil
+	blobDir := filepath.Join(ref.dir, "blobs")
+	if sharedBlobDir != "" {
+		blobDir = sharedBlobDir
+	}
+	return filepath.Join(blobDir, digest.Algorithm().String(), digest.Hex()), nil
 }
diff --git a/vendor/github.com/containers/image/openshift/openshift.go b/vendor/github.com/containers/image/openshift/openshift.go
index 794521b14..33d1a2bf2 100644
--- a/vendor/github.com/containers/image/openshift/openshift.go
+++ b/vendor/github.com/containers/image/openshift/openshift.go
@@ -200,20 +200,15 @@ func (s *openshiftImageSource) Close() error {
 	return nil
 }
 
-func (s *openshiftImageSource) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
-	if err := s.ensureImageIsResolved(context.TODO()); err != nil {
-		return nil, "", err
-	}
-	return s.docker.GetTargetManifest(digest)
-}
-
 // GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
 // It may use a remote (= slow) service.
-func (s *openshiftImageSource) GetManifest() ([]byte, string, error) {
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (s *openshiftImageSource) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
 	if err := s.ensureImageIsResolved(context.TODO()); err != nil {
 		return nil, "", err
 	}
-	return s.docker.GetManifest()
+	return s.docker.GetManifest(instanceDigest)
 }
 
 // GetBlob returns a stream for the specified blob, and the blob’s size (or -1 if unknown).
@@ -224,12 +219,21 @@ func (s *openshiftImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int6
 	return s.docker.GetBlob(info)
 }
 
-func (s *openshiftImageSource) GetSignatures(ctx context.Context) ([][]byte, error) {
-	if err := s.ensureImageIsResolved(ctx); err != nil {
-		return nil, err
+// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (s *openshiftImageSource) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	var imageName string
+	if instanceDigest == nil {
+		if err := s.ensureImageIsResolved(ctx); err != nil {
+			return nil, err
+		}
+		imageName = s.imageStreamImageName
+	} else {
+		imageName = instanceDigest.String()
 	}
-
-	image, err := s.client.getImage(ctx, s.imageStreamImageName)
+	image, err := s.client.getImage(ctx, imageName)
 	if err != nil {
 		return nil, err
 	}
@@ -242,10 +246,6 @@ func (s *openshiftImageSource) GetSignatures(ctx context.Context) ([][]byte, err
 	return sigs, nil
 }
 
-func (s *openshiftImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	return nil
-}
-
 // ensureImageIsResolved sets up s.docker and s.imageStreamImageName
 func (s *openshiftImageSource) ensureImageIsResolved(ctx context.Context) error {
 	if s.docker != nil {
diff --git a/vendor/github.com/containers/image/openshift/openshift_transport.go b/vendor/github.com/containers/image/openshift/openshift_transport.go
index 7db35d96e..686d806f7 100644
--- a/vendor/github.com/containers/image/openshift/openshift_transport.go
+++ b/vendor/github.com/containers/image/openshift/openshift_transport.go
@@ -125,16 +125,17 @@ func (ref openshiftReference) PolicyConfigurationNamespaces() []string {
 	return policyconfiguration.DockerReferenceNamespaces(ref.dockerReference)
 }
 
-// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-// The caller must call .Close() on the returned Image.
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
 // NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 // verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
-func (ref openshiftReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (ref openshiftReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	src, err := newImageSource(ctx, ref)
 	if err != nil {
 		return nil, err
 	}
-	return genericImage.FromSource(src)
+	return genericImage.FromSource(ctx, src)
 }
 
 // NewImageSource returns a types.ImageSource for this reference.
diff --git a/vendor/github.com/containers/image/ostree/ostree_dest.go b/vendor/github.com/containers/image/ostree/ostree_dest.go
index 26137431d..704e1ecee 100644
--- a/vendor/github.com/containers/image/ostree/ostree_dest.go
+++ b/vendor/github.com/containers/image/ostree/ostree_dest.go
@@ -4,6 +4,8 @@ package ostree
 
 import (
 	"bytes"
+	"compress/gzip"
+	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -12,18 +14,27 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strconv"
-	"strings"
 	"time"
 
 	"github.com/containers/image/manifest"
 	"github.com/containers/image/types"
 	"github.com/containers/storage/pkg/archive"
 	"github.com/opencontainers/go-digest"
-	"github.com/pkg/errors"
-
 	"github.com/ostreedev/ostree-go/pkg/otbuiltin"
+	"github.com/pkg/errors"
+	"github.com/vbatts/tar-split/tar/asm"
+	"github.com/vbatts/tar-split/tar/storage"
 )
 
+// #cgo pkg-config: glib-2.0 gobject-2.0 ostree-1
+// #include <glib.h>
+// #include <glib-object.h>
+// #include <gio/gio.h>
+// #include <stdlib.h>
+// #include <ostree.h>
+// #include <gio/ginputstream.h>
+import "C"
+
 type blobToImport struct {
 	Size     int64
 	Digest   digest.Digest
@@ -35,18 +46,24 @@ type descriptor struct {
 	Digest digest.Digest `json:"digest"`
 }
 
+type fsLayersSchema1 struct {
+	BlobSum digest.Digest `json:"blobSum"`
+}
+
 type manifestSchema struct {
-	ConfigDescriptor  descriptor   `json:"config"`
-	LayersDescriptors []descriptor `json:"layers"`
+	LayersDescriptors []descriptor      `json:"layers"`
+	FSLayers          []fsLayersSchema1 `json:"fsLayers"`
 }
 
 type ostreeImageDestination struct {
-	ref        ostreeReference
-	manifest   string
-	schema     manifestSchema
-	tmpDirPath string
-	blobs      map[string]*blobToImport
-	digest     digest.Digest
+	ref           ostreeReference
+	manifest      string
+	schema        manifestSchema
+	tmpDirPath    string
+	blobs         map[string]*blobToImport
+	digest        digest.Digest
+	signaturesLen int
+	repo          *C.struct_OstreeRepo
 }
 
 // newImageDestination returns an ImageDestination for writing to an existing ostree.
@@ -55,7 +72,7 @@ func newImageDestination(ref ostreeReference, tmpDirPath string) (types.ImageDes
 	if err := ensureDirectoryExists(tmpDirPath); err != nil {
 		return nil, err
 	}
-	return &ostreeImageDestination{ref, "", manifestSchema{}, tmpDirPath, map[string]*blobToImport{}, ""}, nil
+	return &ostreeImageDestination{ref, "", manifestSchema{}, tmpDirPath, map[string]*blobToImport{}, "", 0, nil}, nil
 }
 
 // Reference returns the reference used to set up this destination.  Note that this should directly correspond to user's intent,
@@ -66,6 +83,9 @@ func (d *ostreeImageDestination) Reference() types.ImageReference {
 
 // Close removes resources associated with an initialized ImageDestination, if any.
 func (d *ostreeImageDestination) Close() error {
+	if d.repo != nil {
+		C.g_object_unref(C.gpointer(d.repo))
+	}
 	return os.RemoveAll(d.tmpDirPath)
 }
 
@@ -174,6 +194,35 @@ func (d *ostreeImageDestination) ostreeCommit(repo *otbuiltin.Repo, branch strin
 	return err
 }
 
+func generateTarSplitMetadata(output *bytes.Buffer, file string) error {
+	mfz := gzip.NewWriter(output)
+	defer mfz.Close()
+	metaPacker := storage.NewJSONPacker(mfz)
+
+	stream, err := os.OpenFile(file, os.O_RDONLY, 0)
+	if err != nil {
+		return err
+	}
+	defer stream.Close()
+
+	gzReader, err := gzip.NewReader(stream)
+	if err != nil {
+		return err
+	}
+	defer gzReader.Close()
+
+	its, err := asm.NewInputTarStream(gzReader, metaPacker, nil)
+	if err != nil {
+		return err
+	}
+
+	_, err = io.Copy(ioutil.Discard, its)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 func (d *ostreeImageDestination) importBlob(repo *otbuiltin.Repo, blob *blobToImport) error {
 	ostreeBranch := fmt.Sprintf("ociimage/%s", blob.Digest.Hex())
 	destinationPath := filepath.Join(d.tmpDirPath, blob.Digest.Hex(), "root")
@@ -185,6 +234,11 @@ func (d *ostreeImageDestination) importBlob(repo *otbuiltin.Repo, blob *blobToIm
 		os.RemoveAll(destinationPath)
 	}()
 
+	var tarSplitOutput bytes.Buffer
+	if err := generateTarSplitMetadata(&tarSplitOutput, blob.BlobPath); err != nil {
+		return err
+	}
+
 	if os.Getuid() == 0 {
 		if err := archive.UntarPath(blob.BlobPath, destinationPath); err != nil {
 			return err
@@ -202,28 +256,35 @@ func (d *ostreeImageDestination) importBlob(repo *otbuiltin.Repo, blob *blobToIm
 			return err
 		}
 	}
-	return d.ostreeCommit(repo, ostreeBranch, destinationPath, []string{fmt.Sprintf("docker.size=%d", blob.Size)})
+	return d.ostreeCommit(repo, ostreeBranch, destinationPath, []string{fmt.Sprintf("docker.size=%d", blob.Size),
+		fmt.Sprintf("tarsplit.output=%s", base64.StdEncoding.EncodeToString(tarSplitOutput.Bytes()))})
+
 }
 
-func (d *ostreeImageDestination) importConfig(blob *blobToImport) error {
+func (d *ostreeImageDestination) importConfig(repo *otbuiltin.Repo, blob *blobToImport) error {
 	ostreeBranch := fmt.Sprintf("ociimage/%s", blob.Digest.Hex())
+	destinationPath := filepath.Dir(blob.BlobPath)
 
-	return exec.Command("ostree", "commit",
-		"--repo", d.ref.repo,
-		fmt.Sprintf("--add-metadata-string=docker.size=%d", blob.Size),
-		"--branch", ostreeBranch, filepath.Dir(blob.BlobPath)).Run()
+	return d.ostreeCommit(repo, ostreeBranch, destinationPath, []string{fmt.Sprintf("docker.size=%d", blob.Size)})
 }
 
 func (d *ostreeImageDestination) HasBlob(info types.BlobInfo) (bool, int64, error) {
-	branch := fmt.Sprintf("ociimage/%s", info.Digest.Hex())
-	output, err := exec.Command("ostree", "show", "--repo", d.ref.repo, "--print-metadata-key=docker.size", branch).CombinedOutput()
-	if err != nil {
-		if bytes.Index(output, []byte("not found")) >= 0 || bytes.Index(output, []byte("No such")) >= 0 {
-			return false, -1, nil
+
+	if d.repo == nil {
+		repo, err := openRepo(d.ref.repo)
+		if err != nil {
+			return false, 0, err
 		}
-		return false, -1, err
+		d.repo = repo
+	}
+	branch := fmt.Sprintf("ociimage/%s", info.Digest.Hex())
+
+	found, data, err := readMetadata(d.repo, branch, "docker.size")
+	if err != nil || !found {
+		return found, -1, err
 	}
-	size, err := strconv.ParseInt(strings.Trim(string(output), "'\n"), 10, 64)
+
+	size, err := strconv.ParseInt(data, 10, 64)
 	if err != nil {
 		return false, -1, err
 	}
@@ -272,6 +333,7 @@ func (d *ostreeImageDestination) PutSignatures(signatures [][]byte) error {
 			return err
 		}
 	}
+	d.signaturesLen = len(signatures)
 	return nil
 }
 
@@ -286,24 +348,37 @@ func (d *ostreeImageDestination) Commit() error {
 		return err
 	}
 
-	for _, layer := range d.schema.LayersDescriptors {
-		hash := layer.Digest.Hex()
+	checkLayer := func(hash string) error {
 		blob := d.blobs[hash]
 		// if the blob is not present in d.blobs then it is already stored in OSTree,
 		// and we don't need to import it.
 		if blob == nil {
-			continue
+			return nil
 		}
 		err := d.importBlob(repo, blob)
 		if err != nil {
 			return err
 		}
+
+		delete(d.blobs, hash)
+		return nil
+	}
+	for _, layer := range d.schema.LayersDescriptors {
+		hash := layer.Digest.Hex()
+		if err = checkLayer(hash); err != nil {
+			return err
+		}
+	}
+	for _, layer := range d.schema.FSLayers {
+		hash := layer.BlobSum.Hex()
+		if err = checkLayer(hash); err != nil {
+			return err
+		}
 	}
 
-	hash := d.schema.ConfigDescriptor.Digest.Hex()
-	blob := d.blobs[hash]
-	if blob != nil {
-		err := d.importConfig(blob)
+	// Import the other blobs that are not layers
+	for _, blob := range d.blobs {
+		err := d.importConfig(repo, blob)
 		if err != nil {
 			return err
 		}
@@ -311,7 +386,9 @@ func (d *ostreeImageDestination) Commit() error {
 
 	manifestPath := filepath.Join(d.tmpDirPath, "manifest")
 
-	metadata := []string{fmt.Sprintf("docker.manifest=%s", string(d.manifest)), fmt.Sprintf("docker.digest=%s", string(d.digest))}
+	metadata := []string{fmt.Sprintf("docker.manifest=%s", string(d.manifest)),
+		fmt.Sprintf("signatures=%d", d.signaturesLen),
+		fmt.Sprintf("docker.digest=%s", string(d.digest))}
 	err = d.ostreeCommit(repo, fmt.Sprintf("ociimage/%s", d.ref.branchName), manifestPath, metadata)
 
 	_, err = repo.CommitTransaction()
diff --git a/vendor/github.com/containers/image/ostree/ostree_src.go b/vendor/github.com/containers/image/ostree/ostree_src.go
new file mode 100644
index 000000000..3012da1af
--- /dev/null
+++ b/vendor/github.com/containers/image/ostree/ostree_src.go
@@ -0,0 +1,349 @@
+// +build !containers_image_ostree_stub
+
+package ostree
+
+import (
+	"bytes"
+	"compress/gzip"
+	"context"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"strconv"
+	"strings"
+	"unsafe"
+
+	"github.com/containers/image/manifest"
+	"github.com/containers/image/types"
+	"github.com/containers/storage/pkg/ioutils"
+	"github.com/opencontainers/go-digest"
+	glib "github.com/ostreedev/ostree-go/pkg/glibobject"
+	"github.com/pkg/errors"
+	"github.com/vbatts/tar-split/tar/asm"
+	"github.com/vbatts/tar-split/tar/storage"
+)
+
+// #cgo pkg-config: glib-2.0 gobject-2.0 ostree-1
+// #include <glib.h>
+// #include <glib-object.h>
+// #include <gio/gio.h>
+// #include <stdlib.h>
+// #include <ostree.h>
+// #include <gio/ginputstream.h>
+import "C"
+
+type ostreeImageSource struct {
+	ref    ostreeReference
+	tmpDir string
+	repo   *C.struct_OstreeRepo
+}
+
+// newImageSource returns an ImageSource for reading from an existing directory.
+func newImageSource(ctx *types.SystemContext, tmpDir string, ref ostreeReference) (types.ImageSource, error) {
+	return &ostreeImageSource{ref: ref, tmpDir: tmpDir}, nil
+}
+
+// Reference returns the reference used to set up this source.
+func (s *ostreeImageSource) Reference() types.ImageReference {
+	return s.ref
+}
+
+// Close removes resources associated with an initialized ImageSource, if any.
+func (s *ostreeImageSource) Close() error {
+	if s.repo != nil {
+		C.g_object_unref(C.gpointer(s.repo))
+	}
+	return nil
+}
+
+func (s *ostreeImageSource) getLayerSize(blob string) (int64, error) {
+	b := fmt.Sprintf("ociimage/%s", blob)
+	found, data, err := readMetadata(s.repo, b, "docker.size")
+	if err != nil || !found {
+		return 0, err
+	}
+	return strconv.ParseInt(data, 10, 64)
+}
+
+func (s *ostreeImageSource) getLenSignatures() (int64, error) {
+	b := fmt.Sprintf("ociimage/%s", s.ref.branchName)
+	found, data, err := readMetadata(s.repo, b, "signatures")
+	if err != nil {
+		return -1, err
+	}
+	if !found {
+		// if 'signatures' is not present, just return 0 signatures.
+		return 0, nil
+	}
+	return strconv.ParseInt(data, 10, 64)
+}
+
+func (s *ostreeImageSource) getTarSplitData(blob string) ([]byte, error) {
+	b := fmt.Sprintf("ociimage/%s", blob)
+	found, out, err := readMetadata(s.repo, b, "tarsplit.output")
+	if err != nil || !found {
+		return nil, err
+	}
+	return base64.StdEncoding.DecodeString(out)
+}
+
+// GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
+// It may use a remote (= slow) service.
+func (s *ostreeImageSource) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
+	if instanceDigest != nil {
+		return nil, "", errors.Errorf(`Manifest lists are not supported by "ostree:"`)
+	}
+	if s.repo == nil {
+		repo, err := openRepo(s.ref.repo)
+		if err != nil {
+			return nil, "", err
+		}
+		s.repo = repo
+	}
+
+	b := fmt.Sprintf("ociimage/%s", s.ref.branchName)
+	found, out, err := readMetadata(s.repo, b, "docker.manifest")
+	if err != nil {
+		return nil, "", err
+	}
+	if !found {
+		return nil, "", errors.New("manifest not found")
+	}
+	m := []byte(out)
+	return m, manifest.GuessMIMEType(m), nil
+}
+
+func (s *ostreeImageSource) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
+	return nil, "", errors.New("manifest lists are not supported by this transport")
+}
+
+func openRepo(path string) (*C.struct_OstreeRepo, error) {
+	var cerr *C.GError
+	cpath := C.CString(path)
+	defer C.free(unsafe.Pointer(cpath))
+	pathc := C.g_file_new_for_path(cpath)
+	defer C.g_object_unref(C.gpointer(pathc))
+	repo := C.ostree_repo_new(pathc)
+	r := glib.GoBool(glib.GBoolean(C.ostree_repo_open(repo, nil, &cerr)))
+	if !r {
+		C.g_object_unref(C.gpointer(repo))
+		return nil, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
+	}
+	return repo, nil
+}
+
+type ostreePathFileGetter struct {
+	repo       *C.struct_OstreeRepo
+	parentRoot *C.GFile
+}
+
+type ostreeReader struct {
+	stream *C.GFileInputStream
+}
+
+func (o ostreeReader) Close() error {
+	C.g_object_unref(C.gpointer(o.stream))
+	return nil
+}
+func (o ostreeReader) Read(p []byte) (int, error) {
+	var cerr *C.GError
+	instanceCast := C.g_type_check_instance_cast((*C.GTypeInstance)(unsafe.Pointer(o.stream)), C.g_input_stream_get_type())
+	stream := (*C.GInputStream)(unsafe.Pointer(instanceCast))
+
+	b := C.g_input_stream_read_bytes(stream, (C.gsize)(cap(p)), nil, &cerr)
+	if b == nil {
+		return 0, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
+	}
+	defer C.g_bytes_unref(b)
+
+	count := int(C.g_bytes_get_size(b))
+	if count == 0 {
+		return 0, io.EOF
+	}
+	data := (*[1 << 30]byte)(unsafe.Pointer(C.g_bytes_get_data(b, nil)))[:count:count]
+	copy(p, data)
+	return count, nil
+}
+
+func readMetadata(repo *C.struct_OstreeRepo, commit, key string) (bool, string, error) {
+	var cerr *C.GError
+	var ref *C.char
+	defer C.free(unsafe.Pointer(ref))
+
+	cCommit := C.CString(commit)
+	defer C.free(unsafe.Pointer(cCommit))
+
+	if !glib.GoBool(glib.GBoolean(C.ostree_repo_resolve_rev(repo, cCommit, C.gboolean(1), &ref, &cerr))) {
+		return false, "", glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
+	}
+
+	if ref == nil {
+		return false, "", nil
+	}
+
+	var variant *C.GVariant
+	if !glib.GoBool(glib.GBoolean(C.ostree_repo_load_variant(repo, C.OSTREE_OBJECT_TYPE_COMMIT, ref, &variant, &cerr))) {
+		return false, "", glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
+	}
+	defer C.g_variant_unref(variant)
+	if variant != nil {
+		cKey := C.CString(key)
+		defer C.free(unsafe.Pointer(cKey))
+
+		metadata := C.g_variant_get_child_value(variant, 0)
+		defer C.g_variant_unref(metadata)
+
+		data := C.g_variant_lookup_value(metadata, (*C.gchar)(cKey), nil)
+		if data != nil {
+			defer C.g_variant_unref(data)
+			ptr := (*C.char)(C.g_variant_get_string(data, nil))
+			val := C.GoString(ptr)
+			return true, val, nil
+		}
+	}
+	return false, "", nil
+}
+
+func newOSTreePathFileGetter(repo *C.struct_OstreeRepo, commit string) (*ostreePathFileGetter, error) {
+	var cerr *C.GError
+	var parentRoot *C.GFile
+	cCommit := C.CString(commit)
+	defer C.free(unsafe.Pointer(cCommit))
+	if !glib.GoBool(glib.GBoolean(C.ostree_repo_read_commit(repo, cCommit, &parentRoot, nil, nil, &cerr))) {
+		return &ostreePathFileGetter{}, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
+	}
+
+	C.g_object_ref(C.gpointer(repo))
+
+	return &ostreePathFileGetter{repo: repo, parentRoot: parentRoot}, nil
+}
+
+func (o ostreePathFileGetter) Get(filename string) (io.ReadCloser, error) {
+	var file *C.GFile
+	if strings.HasPrefix(filename, "./") {
+		filename = filename[2:]
+	}
+	cfilename := C.CString(filename)
+	defer C.free(unsafe.Pointer(cfilename))
+
+	file = (*C.GFile)(C.g_file_resolve_relative_path(o.parentRoot, cfilename))
+
+	var cerr *C.GError
+	stream := C.g_file_read(file, nil, &cerr)
+	if stream == nil {
+		return nil, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
+	}
+
+	return &ostreeReader{stream: stream}, nil
+}
+
+func (o ostreePathFileGetter) Close() {
+	C.g_object_unref(C.gpointer(o.repo))
+	C.g_object_unref(C.gpointer(o.parentRoot))
+}
+
+func (s *ostreeImageSource) readSingleFile(commit, path string) (io.ReadCloser, error) {
+	getter, err := newOSTreePathFileGetter(s.repo, commit)
+	if err != nil {
+		return nil, err
+	}
+	defer getter.Close()
+
+	return getter.Get(path)
+}
+
+// GetBlob returns a stream for the specified blob, and the blob's size.
+func (s *ostreeImageSource) GetBlob(info types.BlobInfo) (io.ReadCloser, int64, error) {
+	blob := info.Digest.Hex()
+	branch := fmt.Sprintf("ociimage/%s", blob)
+
+	if s.repo == nil {
+		repo, err := openRepo(s.ref.repo)
+		if err != nil {
+			return nil, 0, err
+		}
+		s.repo = repo
+	}
+
+	layerSize, err := s.getLayerSize(blob)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	tarsplit, err := s.getTarSplitData(blob)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// if tarsplit is nil we are looking at the manifest.  Return directly the file in /content
+	if tarsplit == nil {
+		file, err := s.readSingleFile(branch, "/content")
+		if err != nil {
+			return nil, 0, err
+		}
+		return file, layerSize, nil
+	}
+
+	mf := bytes.NewReader(tarsplit)
+	mfz, err := gzip.NewReader(mf)
+	if err != nil {
+		return nil, 0, err
+	}
+	defer mfz.Close()
+	metaUnpacker := storage.NewJSONUnpacker(mfz)
+
+	getter, err := newOSTreePathFileGetter(s.repo, branch)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	ots := asm.NewOutputTarStream(getter, metaUnpacker)
+
+	pipeReader, pipeWriter := io.Pipe()
+	go func() {
+		io.Copy(pipeWriter, ots)
+		pipeWriter.Close()
+	}()
+
+	rc := ioutils.NewReadCloserWrapper(pipeReader, func() error {
+		getter.Close()
+		return ots.Close()
+	})
+	return rc, layerSize, nil
+}
+
+func (s *ostreeImageSource) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	if instanceDigest != nil {
+		return nil, errors.New("manifest lists are not supported by this transport")
+	}
+	lenSignatures, err := s.getLenSignatures()
+	if err != nil {
+		return nil, err
+	}
+	branch := fmt.Sprintf("ociimage/%s", s.ref.branchName)
+
+	if s.repo == nil {
+		repo, err := openRepo(s.ref.repo)
+		if err != nil {
+			return nil, err
+		}
+		s.repo = repo
+	}
+
+	signatures := [][]byte{}
+	for i := int64(1); i <= lenSignatures; i++ {
+		sigReader, err := s.readSingleFile(branch, fmt.Sprintf("/signature-%d", i))
+		if err != nil {
+			return nil, err
+		}
+		defer sigReader.Close()
+
+		sig, err := ioutil.ReadAll(sigReader)
+		if err != nil {
+			return nil, err
+		}
+		signatures = append(signatures, sig)
+	}
+	return signatures, nil
+}
diff --git a/vendor/github.com/containers/image/ostree/ostree_transport.go b/vendor/github.com/containers/image/ostree/ostree_transport.go
index 0de74a71d..cc85a43ff 100644
--- a/vendor/github.com/containers/image/ostree/ostree_transport.go
+++ b/vendor/github.com/containers/image/ostree/ostree_transport.go
@@ -10,12 +10,12 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/pkg/errors"
-
 	"github.com/containers/image/directory/explicitfilepath"
 	"github.com/containers/image/docker/reference"
+	"github.com/containers/image/image"
 	"github.com/containers/image/transports"
 	"github.com/containers/image/types"
+	"github.com/pkg/errors"
 )
 
 const defaultOSTreeRepo = "/ostree/repo"
@@ -66,6 +66,11 @@ type ostreeReference struct {
 	repo       string
 }
 
+type ostreeImageCloser struct {
+	types.ImageCloser
+	size int64
+}
+
 func (t ostreeTransport) ParseReference(ref string) (types.ImageReference, error) {
 	var repo = ""
 	var image = ""
@@ -110,7 +115,7 @@ func NewReference(image string, repo string) (types.ImageReference, error) {
 	// This is necessary to prevent directory paths returned by PolicyConfigurationNamespaces
 	// from being ambiguous with values of PolicyConfigurationIdentity.
 	if strings.Contains(resolved, ":") {
-		return nil, errors.Errorf("Invalid OSTreeCI reference %s@%s: path %s contains a colon", image, repo, resolved)
+		return nil, errors.Errorf("Invalid OSTree reference %s@%s: path %s contains a colon", image, repo, resolved)
 	}
 
 	return ostreeReference{
@@ -168,18 +173,38 @@ func (ref ostreeReference) PolicyConfigurationNamespaces() []string {
 	return res
 }
 
-// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-// The caller must call .Close() on the returned Image.
+func (s *ostreeImageCloser) Size() (int64, error) {
+	return s.size, nil
+}
+
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
 // NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 // verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
-func (ref ostreeReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
-	return nil, errors.New("Reading ostree: images is currently not supported")
+func (ref ostreeReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
+	var tmpDir string
+	if ctx == nil || ctx.OSTreeTmpDirPath == "" {
+		tmpDir = os.TempDir()
+	} else {
+		tmpDir = ctx.OSTreeTmpDirPath
+	}
+	src, err := newImageSource(ctx, tmpDir, ref)
+	if err != nil {
+		return nil, err
+	}
+	return image.FromSource(ctx, src)
 }
 
 // NewImageSource returns a types.ImageSource for this reference.
 // The caller must call .Close() on the returned ImageSource.
 func (ref ostreeReference) NewImageSource(ctx *types.SystemContext) (types.ImageSource, error) {
-	return nil, errors.New("Reading ostree: images is currently not supported")
+	var tmpDir string
+	if ctx == nil || ctx.OSTreeTmpDirPath == "" {
+		tmpDir = os.TempDir()
+	} else {
+		tmpDir = ctx.OSTreeTmpDirPath
+	}
+	return newImageSource(ctx, tmpDir, ref)
 }
 
 // NewImageDestination returns a types.ImageDestination for this reference.
diff --git a/vendor/github.com/containers/image/signature/policy_config.go b/vendor/github.com/containers/image/signature/policy_config.go
index bc6c5e9a7..42cc12ab1 100644
--- a/vendor/github.com/containers/image/signature/policy_config.go
+++ b/vendor/github.com/containers/image/signature/policy_config.go
@@ -70,7 +70,11 @@ func NewPolicyFromFile(fileName string) (*Policy, error) {
 	if err != nil {
 		return nil, err
 	}
-	return NewPolicyFromBytes(contents)
+	policy, err := NewPolicyFromBytes(contents)
+	if err != nil {
+		return nil, errors.Wrapf(err, "invalid policy in %q", fileName)
+	}
+	return policy, nil
 }
 
 // NewPolicyFromBytes returns a policy parsed from the specified blob.
diff --git a/vendor/github.com/containers/image/storage/storage_image.go b/vendor/github.com/containers/image/storage/storage_image.go
index 46d1057de..89c0264b9 100644
--- a/vendor/github.com/containers/image/storage/storage_image.go
+++ b/vendor/github.com/containers/image/storage/storage_image.go
@@ -6,13 +6,11 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
-	"fmt"
 	"io"
 	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-	"sync/atomic"
+	"time"
+
+	"github.com/pkg/errors"
 
 	"github.com/containers/image/image"
 	"github.com/containers/image/manifest"
@@ -20,15 +18,10 @@ import (
 	"github.com/containers/storage"
 	"github.com/containers/storage/pkg/archive"
 	"github.com/containers/storage/pkg/ioutils"
-	"github.com/docker/docker/api/types/versions"
-	digest "github.com/opencontainers/go-digest"
-	imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
-	"github.com/pkg/errors"
+	ddigest "github.com/opencontainers/go-digest"
 	"github.com/sirupsen/logrus"
 )
 
-const temporaryDirectoryForBigFiles = "/var/tmp" // Do not use the system default of os.TempDir(), usually /tmp, because with systemd it could be a tmpfs.
-
 var (
 	// ErrBlobDigestMismatch is returned when PutBlob() is given a blob
 	// with a digest-based name that doesn't match its contents.
@@ -36,7 +29,8 @@ var (
 	// ErrBlobSizeMismatch is returned when PutBlob() is given a blob
 	// with an expected size that doesn't match the reader.
 	ErrBlobSizeMismatch = errors.New("blob size mismatch")
-	// ErrNoManifestLists is returned when GetTargetManifest() is called.
+	// ErrNoManifestLists is returned when GetManifest() is called.
+	// with a non-nil instanceDigest.
 	ErrNoManifestLists = errors.New("manifest lists are not supported by this transport")
 	// ErrNoSuchImage is returned when we attempt to access an image which
 	// doesn't exist in the storage area.
@@ -45,43 +39,52 @@ var (
 
 type storageImageSource struct {
 	imageRef       storageReference
-	ID             string
-	layerPosition  map[digest.Digest]int // Where we are in reading a blob's layers
-	cachedManifest []byte                // A cached copy of the manifest, if already known, or nil
-	SignatureSizes []int                 `json:"signature-sizes,omitempty"` // List of sizes of each signature slice
+	Tag            string                      `json:"tag,omitempty"`
+	Created        time.Time                   `json:"created-time,omitempty"`
+	ID             string                      `json:"id"`
+	BlobList       []types.BlobInfo            `json:"blob-list,omitempty"` // Ordered list of every blob the image has been told to handle
+	Layers         map[ddigest.Digest][]string `json:"layers,omitempty"`    // Map from digests of blobs to lists of layer IDs
+	LayerPosition  map[ddigest.Digest]int      `json:"-"`                   // Where we are in reading a blob's layers
+	SignatureSizes []int                       `json:"signature-sizes"`     // List of sizes of each signature slice
 }
 
 type storageImageDestination struct {
-	imageRef       storageReference                // The reference we'll use to name the image
-	publicRef      storageReference                // The reference we return when asked about the name we'll give to the image
-	directory      string                          // Temporary directory where we store blobs until Commit() time
-	nextTempFileID int32                           // A counter that we use for computing filenames to assign to blobs
-	manifest       []byte                          // Manifest contents, temporary
-	signatures     []byte                          // Signature contents, temporary
-	blobDiffIDs    map[digest.Digest]digest.Digest // Mapping from layer blobsums to their corresponding DiffIDs
-	fileSizes      map[digest.Digest]int64         // Mapping from layer blobsums to their sizes
-	filenames      map[digest.Digest]string        // Mapping from layer blobsums to names of files we used to hold them
-	SignatureSizes []int                           `json:"signature-sizes,omitempty"` // List of sizes of each signature slice
+	imageRef       storageReference
+	Tag            string                      `json:"tag,omitempty"`
+	Created        time.Time                   `json:"created-time,omitempty"`
+	ID             string                      `json:"id"`
+	BlobList       []types.BlobInfo            `json:"blob-list,omitempty"` // Ordered list of every blob the image has been told to handle
+	Layers         map[ddigest.Digest][]string `json:"layers,omitempty"`    // Map from digests of blobs to lists of layer IDs
+	BlobData       map[ddigest.Digest][]byte   `json:"-"`                   // Map from names of blobs that aren't layers to contents, temporary
+	Manifest       []byte                      `json:"-"`                   // Manifest contents, temporary
+	Signatures     []byte                      `json:"-"`                   // Signature contents, temporary
+	SignatureSizes []int                       `json:"signature-sizes"`     // List of sizes of each signature slice
+}
+
+type storageLayerMetadata struct {
+	Digest         string `json:"digest,omitempty"`
+	Size           int64  `json:"size"`
+	CompressedSize int64  `json:"compressed-size,omitempty"`
 }
 
-type storageImage struct {
-	types.Image
+type storageImageCloser struct {
+	types.ImageCloser
 	size int64
 }
 
-// newImageSource sets up an image for reading.
+// newImageSource sets us up to read out an image, which needs to already exist.
 func newImageSource(imageRef storageReference) (*storageImageSource, error) {
-	// First, locate the image.
 	img, err := imageRef.resolveImage()
 	if err != nil {
 		return nil, err
 	}
-
-	// Build the reader object.
 	image := &storageImageSource{
 		imageRef:       imageRef,
+		Created:        time.Now(),
 		ID:             img.ID,
-		layerPosition:  make(map[digest.Digest]int),
+		BlobList:       []types.BlobInfo{},
+		Layers:         make(map[ddigest.Digest][]string),
+		LayerPosition:  make(map[ddigest.Digest]int),
 		SignatureSizes: []int{},
 	}
 	if err := json.Unmarshal([]byte(img.Metadata), image); err != nil {
@@ -90,266 +93,202 @@ func newImageSource(imageRef storageReference) (*storageImageSource, error) {
 	return image, nil
 }
 
-// Reference returns the image reference that we used to find this image.
-func (s storageImageSource) Reference() types.ImageReference {
-	return s.imageRef
-}
-
-// Close cleans up any resources we tied up while reading the image.
-func (s storageImageSource) Close() error {
-	return nil
-}
-
-// GetBlob reads the data blob or filesystem layer which matches the digest and size, if given.
-func (s *storageImageSource) GetBlob(info types.BlobInfo) (rc io.ReadCloser, n int64, err error) {
-	rc, n, _, err = s.getBlobAndLayerID(info)
-	return rc, n, err
-}
-
-// getBlobAndLayer reads the data blob or filesystem layer which matches the digest and size, if given.
-func (s *storageImageSource) getBlobAndLayerID(info types.BlobInfo) (rc io.ReadCloser, n int64, layerID string, err error) {
-	var layer storage.Layer
-	var diffOptions *storage.DiffOptions
-	// We need a valid digest value.
-	err = info.Digest.Validate()
-	if err != nil {
-		return nil, -1, "", err
-	}
-	// Check if the blob corresponds to a diff that was used to initialize any layers.  Our
-	// callers should try to retrieve layers using their uncompressed digests, so no need to
-	// check if they're using one of the compressed digests, which we can't reproduce anyway.
-	layers, err := s.imageRef.transport.store.LayersByUncompressedDigest(info.Digest)
-	// If it's not a layer, then it must be a data item.
-	if len(layers) == 0 {
-		b, err := s.imageRef.transport.store.ImageBigData(s.ID, info.Digest.String())
-		if err != nil {
-			return nil, -1, "", err
-		}
-		r := bytes.NewReader(b)
-		logrus.Debugf("exporting opaque data as blob %q", info.Digest.String())
-		return ioutil.NopCloser(r), int64(r.Len()), "", nil
-	}
-	// Step through the list of matching layers.  Tests may want to verify that if we have multiple layers
-	// which claim to have the same contents, that we actually do have multiple layers, otherwise we could
-	// just go ahead and use the first one every time.
-	i := s.layerPosition[info.Digest]
-	s.layerPosition[info.Digest] = i + 1
-	if len(layers) > 0 {
-		layer = layers[i%len(layers)]
-	}
-	// Force the storage layer to not try to match any compression that was used when the layer was first
-	// handed to it.
-	noCompression := archive.Uncompressed
-	diffOptions = &storage.DiffOptions{
-		Compression: &noCompression,
-	}
-	if layer.UncompressedSize < 0 {
-		n = -1
-	} else {
-		n = layer.UncompressedSize
-	}
-	logrus.Debugf("exporting filesystem layer %q without compression for blob %q", layer.ID, info.Digest)
-	rc, err = s.imageRef.transport.store.Diff("", layer.ID, diffOptions)
-	if err != nil {
-		return nil, -1, "", err
-	}
-	return rc, n, layer.ID, err
-}
-
-// GetManifest() reads the image's manifest.
-func (s *storageImageSource) GetManifest() (manifestBlob []byte, MIMEType string, err error) {
-	if len(s.cachedManifest) == 0 {
-		cachedBlob, err := s.imageRef.transport.store.ImageBigData(s.ID, "manifest")
-		if err != nil {
-			return nil, "", err
-		}
-		s.cachedManifest = cachedBlob
-	}
-	return s.cachedManifest, manifest.GuessMIMEType(s.cachedManifest), err
-}
-
-// UpdatedLayerInfos() returns the list of layer blobs that make up the root filesystem of
-// the image, after they've been decompressed.
-func (s *storageImageSource) UpdatedLayerInfos() []types.BlobInfo {
-	simg, err := s.imageRef.transport.store.Image(s.ID)
-	if err != nil {
-		logrus.Errorf("error reading image %q: %v", s.ID, err)
-		return nil
-	}
-	updatedBlobInfos := []types.BlobInfo{}
-	layerID := simg.TopLayer
-	_, manifestType, err := s.GetManifest()
-	if err != nil {
-		logrus.Errorf("error reading image manifest for %q: %v", s.ID, err)
-		return nil
-	}
-	uncompressedLayerType := ""
-	switch manifestType {
-	case imgspecv1.MediaTypeImageManifest:
-		uncompressedLayerType = imgspecv1.MediaTypeImageLayer
-	case manifest.DockerV2Schema1MediaType, manifest.DockerV2Schema1SignedMediaType, manifest.DockerV2Schema2MediaType:
-		// This is actually a compressed type, but there's no uncompressed type defined
-		uncompressedLayerType = manifest.DockerV2Schema2LayerMediaType
-	}
-	for layerID != "" {
-		layer, err := s.imageRef.transport.store.Layer(layerID)
-		if err != nil {
-			logrus.Errorf("error reading layer %q in image %q: %v", layerID, s.ID, err)
-			return nil
-		}
-		if layer.UncompressedDigest == "" {
-			logrus.Errorf("uncompressed digest for layer %q is unknown", layerID)
-			return nil
-		}
-		if layer.UncompressedSize < 0 {
-			logrus.Errorf("uncompressed size for layer %q is unknown", layerID)
-			return nil
-		}
-		blobInfo := types.BlobInfo{
-			Digest:    layer.UncompressedDigest,
-			Size:      layer.UncompressedSize,
-			MediaType: uncompressedLayerType,
-		}
-		updatedBlobInfos = append([]types.BlobInfo{blobInfo}, updatedBlobInfos...)
-		layerID = layer.Parent
-	}
-	return updatedBlobInfos
-}
-
-// GetTargetManifest() is not supported.
-func (s *storageImageSource) GetTargetManifest(d digest.Digest) (manifestBlob []byte, MIMEType string, err error) {
-	return nil, "", ErrNoManifestLists
-}
-
-// GetSignatures() parses the image's signatures blob into a slice of byte slices.
-func (s *storageImageSource) GetSignatures(ctx context.Context) (signatures [][]byte, err error) {
-	var offset int
-	sigslice := [][]byte{}
-	signature := []byte{}
-	if len(s.SignatureSizes) > 0 {
-		signatureBlob, err := s.imageRef.transport.store.ImageBigData(s.ID, "signatures")
-		if err != nil {
-			return nil, errors.Wrapf(err, "error looking up signatures data for image %q", s.ID)
-		}
-		signature = signatureBlob
-	}
-	for _, length := range s.SignatureSizes {
-		sigslice = append(sigslice, signature[offset:offset+length])
-		offset += length
-	}
-	if offset != len(signature) {
-		return nil, errors.Errorf("signatures data contained %d extra bytes", len(signatures)-offset)
-	}
-	return sigslice, nil
-}
-
-// newImageDestination sets us up to write a new image, caching blobs in a temporary directory until
-// it's time to Commit() the image
+// newImageDestination sets us up to write a new image.
 func newImageDestination(imageRef storageReference) (*storageImageDestination, error) {
-	directory, err := ioutil.TempDir(temporaryDirectoryForBigFiles, "storage")
-	if err != nil {
-		return nil, errors.Wrapf(err, "error creating a temporary directory")
-	}
-	// Break reading of the reference we're writing, so that copy.Image() won't try to rewrite
-	// schema1 image manifests to remove embedded references, since that changes the manifest's
-	// digest, and that makes the image unusable if we subsequently try to access it using a
-	// reference that mentions the no-longer-correct digest.
-	publicRef := imageRef
-	publicRef.name = nil
 	image := &storageImageDestination{
 		imageRef:       imageRef,
-		publicRef:      publicRef,
-		directory:      directory,
-		blobDiffIDs:    make(map[digest.Digest]digest.Digest),
-		fileSizes:      make(map[digest.Digest]int64),
-		filenames:      make(map[digest.Digest]string),
+		Tag:            imageRef.reference,
+		Created:        time.Now(),
+		ID:             imageRef.id,
+		BlobList:       []types.BlobInfo{},
+		Layers:         make(map[ddigest.Digest][]string),
+		BlobData:       make(map[ddigest.Digest][]byte),
 		SignatureSizes: []int{},
 	}
 	return image, nil
 }
 
-// Reference returns a mostly-usable image reference that can't return a DockerReference, to
-// avoid triggering logic in copy.Image() that rewrites schema 1 image manifests in order to
-// remove image names that they contain which don't match the value we're using.
+func (s storageImageSource) Reference() types.ImageReference {
+	return s.imageRef
+}
+
 func (s storageImageDestination) Reference() types.ImageReference {
-	return s.publicRef
+	return s.imageRef
 }
 
-// Close cleans up the temporary directory.
-func (s *storageImageDestination) Close() error {
-	return os.RemoveAll(s.directory)
+func (s storageImageSource) Close() error {
+	return nil
+}
+
+func (s storageImageDestination) Close() error {
+	return nil
 }
 
-// ShouldCompressLayers indicates whether or not a caller should compress not-already-compressed
-// data when handing it to us.
 func (s storageImageDestination) ShouldCompressLayers() bool {
-	// We ultimately have to decompress layers to populate trees on disk, so callers shouldn't
-	// bother compressing them before handing them to us, if they're not already compressed.
+	// We ultimately have to decompress layers to populate trees on disk,
+	// so callers shouldn't bother compressing them before handing them to
+	// us, if they're not already compressed.
 	return false
 }
 
-// PutBlob stores a layer or data blob in our temporary directory, checking that any information
-// in the blobinfo matches the incoming data.
-func (s *storageImageDestination) PutBlob(stream io.Reader, blobinfo types.BlobInfo) (types.BlobInfo, error) {
+// putBlob stores a layer or data blob, optionally enforcing that a digest in
+// blobinfo matches the incoming data.
+func (s *storageImageDestination) putBlob(stream io.Reader, blobinfo types.BlobInfo, enforceDigestAndSize bool) (types.BlobInfo, error) {
+	blobSize := blobinfo.Size
+	digest := blobinfo.Digest
 	errorBlobInfo := types.BlobInfo{
 		Digest: "",
 		Size:   -1,
 	}
-	// Set up to digest the blob and count its size while saving it to a file.
-	hasher := digest.Canonical.Digester()
-	if blobinfo.Digest.Validate() == nil {
-		if a := blobinfo.Digest.Algorithm(); a.Available() {
+	// Try to read an initial snippet of the blob.
+	buf := [archive.HeaderSize]byte{}
+	n, err := io.ReadAtLeast(stream, buf[:], len(buf))
+	if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
+		return errorBlobInfo, err
+	}
+	// Set up to read the whole blob (the initial snippet, plus the rest)
+	// while digesting it with either the default, or the passed-in digest,
+	// if one was specified.
+	hasher := ddigest.Canonical.Digester()
+	if digest.Validate() == nil {
+		if a := digest.Algorithm(); a.Available() {
 			hasher = a.Digester()
 		}
 	}
-	diffID := digest.Canonical.Digester()
-	filename := filepath.Join(s.directory, fmt.Sprintf("%d", atomic.AddInt32(&s.nextTempFileID, 1)))
-	file, err := os.OpenFile(filename, os.O_CREATE|os.O_TRUNC|os.O_WRONLY|os.O_EXCL, 0600)
-	if err != nil {
-		return errorBlobInfo, errors.Wrapf(err, "error creating temporary file %q", filename)
-	}
-	defer file.Close()
+	hash := ""
 	counter := ioutils.NewWriteCounter(hasher.Hash())
-	reader := io.TeeReader(io.TeeReader(stream, counter), file)
-	decompressed, err := archive.DecompressStream(reader)
-	if err != nil {
-		return errorBlobInfo, errors.Wrap(err, "error setting up to decompress blob")
-	}
-	// Copy the data to the file.
-	_, err = io.Copy(diffID.Hash(), decompressed)
-	decompressed.Close()
-	if err != nil {
-		return errorBlobInfo, errors.Wrapf(err, "error storing blob to file %q", filename)
-	}
-	// Ensure that any information that we were given about the blob is correct.
-	if blobinfo.Digest.Validate() == nil && blobinfo.Digest != hasher.Digest() {
-		return errorBlobInfo, ErrBlobDigestMismatch
-	}
-	if blobinfo.Size >= 0 && blobinfo.Size != counter.Count {
-		return errorBlobInfo, ErrBlobSizeMismatch
-	}
-	// Record information about the blob.
-	s.blobDiffIDs[hasher.Digest()] = diffID.Digest()
-	s.fileSizes[hasher.Digest()] = counter.Count
-	s.filenames[hasher.Digest()] = filename
-	blobDigest := blobinfo.Digest
-	if blobDigest.Validate() != nil {
-		blobDigest = hasher.Digest()
-	}
-	blobSize := blobinfo.Size
-	if blobSize < 0 {
-		blobSize = counter.Count
+	defragmented := io.MultiReader(bytes.NewBuffer(buf[:n]), stream)
+	multi := io.TeeReader(defragmented, counter)
+	if (n > 0) && archive.IsArchive(buf[:n]) {
+		// It's a filesystem layer.  If it's not the first one in the
+		// image, we assume that the most recently added layer is its
+		// parent.
+		parentLayer := ""
+		for _, blob := range s.BlobList {
+			if layerList, ok := s.Layers[blob.Digest]; ok {
+				parentLayer = layerList[len(layerList)-1]
+			}
+		}
+		// If we have an expected content digest, generate a layer ID
+		// based on the parent's ID and the expected content digest.
+		id := ""
+		if digest.Validate() == nil {
+			id = ddigest.Canonical.FromBytes([]byte(parentLayer + "+" + digest.String())).Hex()
+		}
+		// Attempt to create the identified layer and import its contents.
+		layer, uncompressedSize, err := s.imageRef.transport.store.PutLayer(id, parentLayer, nil, "", true, multi)
+		if err != nil && errors.Cause(err) != storage.ErrDuplicateID {
+			logrus.Debugf("error importing layer blob %q as %q: %v", blobinfo.Digest, id, err)
+			return errorBlobInfo, err
+		}
+		if errors.Cause(err) == storage.ErrDuplicateID {
+			// We specified an ID, and there's already a layer with
+			// the same ID.  Drain the input so that we can look at
+			// its length and digest.
+			_, err := io.Copy(ioutil.Discard, multi)
+			if err != nil && err != io.EOF {
+				logrus.Debugf("error digesting layer blob %q: %v", blobinfo.Digest, id, err)
+				return errorBlobInfo, err
+			}
+			hash = hasher.Digest().String()
+		} else {
+			// Applied the layer with the specified ID.  Note the
+			// size info and computed digest.
+			hash = hasher.Digest().String()
+			layerMeta := storageLayerMetadata{
+				Digest:         hash,
+				CompressedSize: counter.Count,
+				Size:           uncompressedSize,
+			}
+			if metadata, err := json.Marshal(&layerMeta); len(metadata) != 0 && err == nil {
+				s.imageRef.transport.store.SetMetadata(layer.ID, string(metadata))
+			}
+			// Hang on to the new layer's ID.
+			id = layer.ID
+		}
+		// Check if the size looks right.
+		if enforceDigestAndSize && blobinfo.Size >= 0 && blobinfo.Size != counter.Count {
+			logrus.Debugf("layer blob %q size is %d, not %d, rejecting", blobinfo.Digest, counter.Count, blobinfo.Size)
+			if layer != nil {
+				// Something's wrong; delete the newly-created layer.
+				s.imageRef.transport.store.DeleteLayer(layer.ID)
+			}
+			return errorBlobInfo, ErrBlobSizeMismatch
+		}
+		// If the content digest was specified, verify it.
+		if enforceDigestAndSize && digest.Validate() == nil && digest.String() != hash {
+			logrus.Debugf("layer blob %q digests to %q, rejecting", blobinfo.Digest, hash)
+			if layer != nil {
+				// Something's wrong; delete the newly-created layer.
+				s.imageRef.transport.store.DeleteLayer(layer.ID)
+			}
+			return errorBlobInfo, ErrBlobDigestMismatch
+		}
+		// If we didn't get a blob size, return the one we calculated.
+		if blobSize == -1 {
+			blobSize = counter.Count
+		}
+		// If we didn't get a digest, construct one.
+		if digest == "" {
+			digest = ddigest.Digest(hash)
+		}
+		// Record that this layer blob is a layer, and the layer ID it
+		// ended up having.  This is a list, in case the same blob is
+		// being applied more than once.
+		s.Layers[digest] = append(s.Layers[digest], id)
+		s.BlobList = append(s.BlobList, types.BlobInfo{Digest: digest, Size: counter.Count})
+		if layer != nil {
+			logrus.Debugf("blob %q imported as a filesystem layer %q", blobinfo.Digest, id)
+		} else {
+			logrus.Debugf("layer blob %q already present as layer %q", blobinfo.Digest, id)
+		}
+	} else {
+		// It's just data.  Finish scanning it in, check that our
+		// computed digest matches the passed-in digest, and store it,
+		// but leave it out of the blob-to-layer-ID map so that we can
+		// tell that it's not a layer.
+		blob, err := ioutil.ReadAll(multi)
+		if err != nil && err != io.EOF {
+			return errorBlobInfo, err
+		}
+		hash = hasher.Digest().String()
+		if enforceDigestAndSize && blobinfo.Size >= 0 && int64(len(blob)) != blobinfo.Size {
+			logrus.Debugf("blob %q size is %d, not %d, rejecting", blobinfo.Digest, int64(len(blob)), blobinfo.Size)
+			return errorBlobInfo, ErrBlobSizeMismatch
+		}
+		// If we were given a digest, verify that the content matches
+		// it.
+		if enforceDigestAndSize && digest.Validate() == nil && digest.String() != hash {
+			logrus.Debugf("blob %q digests to %q, rejecting", blobinfo.Digest, hash)
+			return errorBlobInfo, ErrBlobDigestMismatch
+		}
+		// If we didn't get a blob size, return the one we calculated.
+		if blobSize == -1 {
+			blobSize = int64(len(blob))
+		}
+		// If we didn't get a digest, construct one.
+		if digest == "" {
+			digest = ddigest.Digest(hash)
+		}
+		// Save the blob for when we Commit().
+		s.BlobData[digest] = blob
+		s.BlobList = append(s.BlobList, types.BlobInfo{Digest: digest, Size: int64(len(blob))})
+		logrus.Debugf("blob %q imported as opaque data %q", blobinfo.Digest, digest)
 	}
 	return types.BlobInfo{
-		Digest:    blobDigest,
-		Size:      blobSize,
-		MediaType: blobinfo.MediaType,
+		Digest: digest,
+		Size:   blobSize,
 	}, nil
 }
 
-// HasBlob returns true iff the image destination already contains a blob with the matching digest which can be
-// reapplied using ReapplyBlob.
-//
+// PutBlob is used to both store filesystem layers and binary data that is part
+// of the image.  Filesystem layers are assumed to be imported in order, as
+// that is required by some of the underlying storage drivers.
+func (s *storageImageDestination) PutBlob(stream io.Reader, blobinfo types.BlobInfo) (types.BlobInfo, error) {
+	return s.putBlob(stream, blobinfo, true)
+}
+
+// HasBlob returns true iff the image destination already contains a blob with the matching digest which can be reapplied using ReapplyBlob.
 // Unlike PutBlob, the digest can not be empty.  If HasBlob returns true, the size of the blob must also be returned.
 // If the destination does not contain the blob, or it is unknown, HasBlob ordinarily returns (false, -1, nil);
 // it returns a non-nil error only on an unexpected failure.
@@ -357,373 +296,93 @@ func (s *storageImageDestination) HasBlob(blobinfo types.BlobInfo) (bool, int64,
 	if blobinfo.Digest == "" {
 		return false, -1, errors.Errorf(`Can not check for a blob with unknown digest`)
 	}
-	if err := blobinfo.Digest.Validate(); err != nil {
-		return false, -1, errors.Wrapf(err, `Can not check for a blob with invalid digest`)
-	}
-	// Check if we've already cached it in a file.
-	if size, ok := s.fileSizes[blobinfo.Digest]; ok {
-		return true, size, nil
-	}
-	// Check if we have a wasn't-compressed layer in storage that's based on that blob.
-	layers, err := s.imageRef.transport.store.LayersByUncompressedDigest(blobinfo.Digest)
-	if err != nil && errors.Cause(err) != storage.ErrLayerUnknown {
-		return false, -1, errors.Wrapf(err, `Error looking for layers with digest %q`, blobinfo.Digest)
-	}
-	if len(layers) > 0 {
-		// Save this for completeness.
-		s.blobDiffIDs[blobinfo.Digest] = layers[0].UncompressedDigest
-		return true, layers[0].UncompressedSize, nil
-	}
-	// Check if we have a was-compressed layer in storage that's based on that blob.
-	layers, err = s.imageRef.transport.store.LayersByCompressedDigest(blobinfo.Digest)
-	if err != nil && errors.Cause(err) != storage.ErrLayerUnknown {
-		return false, -1, errors.Wrapf(err, `Error looking for compressed layers with digest %q`, blobinfo.Digest)
-	}
-	if len(layers) > 0 {
-		// Record the uncompressed value so that we can use it to calculate layer IDs.
-		s.blobDiffIDs[blobinfo.Digest] = layers[0].UncompressedDigest
-		return true, layers[0].CompressedSize, nil
+	for _, blob := range s.BlobList {
+		if blob.Digest == blobinfo.Digest {
+			return true, blob.Size, nil
+		}
 	}
-	// Nope, we don't have it.
 	return false, -1, nil
 }
 
-// ReapplyBlob is now a no-op, assuming HasBlob() says we already have it, since Commit() can just apply the
-// same one when it walks the list in the manifest.
 func (s *storageImageDestination) ReapplyBlob(blobinfo types.BlobInfo) (types.BlobInfo, error) {
-	present, size, err := s.HasBlob(blobinfo)
-	if !present {
-		return types.BlobInfo{}, errors.Errorf("error reapplying blob %+v: blob was not previously applied", blobinfo)
-	}
+	err := blobinfo.Digest.Validate()
 	if err != nil {
-		return types.BlobInfo{}, errors.Wrapf(err, "error reapplying blob %+v", blobinfo)
+		return types.BlobInfo{}, err
 	}
-	blobinfo.Size = size
-	return blobinfo, nil
-}
-
-// computeID computes a recommended image ID based on information we have so far.
-func (s *storageImageDestination) computeID(m manifest.Manifest) string {
-	mb, err := m.Serialize()
-	if err != nil {
-		return ""
-	}
-	switch manifest.GuessMIMEType(mb) {
-	case manifest.DockerV2Schema2MediaType, imgspecv1.MediaTypeImageManifest:
-		// For Schema2 and OCI1(?), the ID is just the hex part of the digest of the config blob.
-		logrus.Debugf("trivial image ID for configured blob")
-		configInfo := m.ConfigInfo()
-		if configInfo.Digest.Validate() == nil {
-			return configInfo.Digest.Hex()
-		}
-		return ""
-	case manifest.DockerV2Schema1MediaType, manifest.DockerV2Schema1SignedMediaType:
-		// Convert the schema 1 compat info into a schema 2 config, constructing some of the fields
-		// that aren't directly comparable using info from the manifest.
-		logrus.Debugf("computing image ID using compat data")
-		s1, ok := m.(*manifest.Schema1)
-		if !ok {
-			logrus.Debugf("schema type was guessed wrong?")
-			return ""
-		}
-		if len(s1.History) == 0 {
-			logrus.Debugf("image has no layers")
-			return ""
-		}
-		s2 := struct {
-			manifest.Schema2Image
-			ID        string `json:"id,omitempty"`
-			Parent    string `json:"parent,omitempty"`
-			ParentID  string `json:"parent_id,omitempty"`
-			LayerID   string `json:"layer_id,omitempty"`
-			ThrowAway bool   `json:"throwaway,omitempty"`
-			Size      int64  `json:",omitempty"`
-		}{}
-		config := []byte(s1.History[0].V1Compatibility)
-		if json.Unmarshal(config, &s2) != nil {
-			logrus.Debugf("error decoding configuration")
-			return ""
-		}
-		// Images created with versions prior to 1.8.3 require us to rebuild the object.
-		if s2.DockerVersion != "" && versions.LessThan(s2.DockerVersion, "1.8.3") {
-			err = json.Unmarshal(config, &s2)
-			if err != nil {
-				logrus.Infof("error decoding compat image config %s: %v", string(config), err)
-				return ""
-			}
-			config, err = json.Marshal(&s2)
-			if err != nil {
-				logrus.Infof("error re-encoding compat image config %#v: %v", s2, err)
-				return ""
-			}
-		}
-		// Build the history.
-		for _, h := range s1.History {
-			compat := manifest.Schema1V1Compatibility{}
-			if json.Unmarshal([]byte(h.V1Compatibility), &compat) != nil {
-				logrus.Debugf("error decoding history information")
-				return ""
-			}
-			hitem := manifest.Schema2History{
-				Created:    compat.Created,
-				CreatedBy:  strings.Join(compat.ContainerConfig.Cmd, " "),
-				Comment:    compat.Comment,
-				EmptyLayer: compat.ThrowAway,
-			}
-			s2.History = append([]manifest.Schema2History{hitem}, s2.History...)
-		}
-		// Build the rootfs information.  We need the decompressed sums that we've been
-		// calculating to fill in the DiffIDs.
-		s2.RootFS = &manifest.Schema2RootFS{
-			Type: "layers",
-		}
-		for _, fslayer := range s1.FSLayers {
-			blobSum := fslayer.BlobSum
-			diffID, ok := s.blobDiffIDs[blobSum]
-			if !ok {
-				logrus.Infof("error looking up diffID for blob %q", string(blobSum))
-				return ""
-			}
-			s2.RootFS.DiffIDs = append([]digest.Digest{diffID}, s2.RootFS.DiffIDs...)
-		}
-		// And now for some raw manipulation.
-		raw := make(map[string]*json.RawMessage)
-		err = json.Unmarshal(config, &raw)
-		if err != nil {
-			logrus.Infof("error re-decoding compat image config %#v: %v", s2, err)
-			return ""
-		}
-		// Drop some fields.
-		delete(raw, "id")
-		delete(raw, "parent")
-		delete(raw, "parent_id")
-		delete(raw, "layer_id")
-		delete(raw, "throwaway")
-		delete(raw, "Size")
-		// Add the history and rootfs information.
-		rootfs, err := json.Marshal(s2.RootFS)
-		if err != nil {
-			logrus.Infof("error encoding rootfs information %#v: %v", s2.RootFS, err)
-			return ""
-		}
-		rawRootfs := json.RawMessage(rootfs)
-		raw["rootfs"] = &rawRootfs
-		history, err := json.Marshal(s2.History)
-		if err != nil {
-			logrus.Infof("error encoding history information %#v: %v", s2.History, err)
-			return ""
-		}
-		rawHistory := json.RawMessage(history)
-		raw["history"] = &rawHistory
-		// Encode the result, and take the digest of that result.
-		config, err = json.Marshal(raw)
+	if layerList, ok := s.Layers[blobinfo.Digest]; !ok || len(layerList) < 1 {
+		b, err := s.imageRef.transport.store.ImageBigData(s.ID, blobinfo.Digest.String())
 		if err != nil {
-			logrus.Infof("error re-encoding compat image config %#v: %v", s2, err)
-			return ""
+			return types.BlobInfo{}, err
 		}
-		return digest.FromBytes(config).Hex()
-	case manifest.DockerV2ListMediaType:
-		logrus.Debugf("no image ID for manifest list")
-		// FIXME
-	case imgspecv1.MediaTypeImageIndex:
-		logrus.Debugf("no image ID for manifest index")
-		// FIXME
-	default:
-		logrus.Debugf("no image ID for unrecognized manifest type %q", manifest.GuessMIMEType(mb))
-		// FIXME
-	}
-	return ""
-}
-
-// getConfigBlob exists only to let us retrieve the configuration blob so that the manifest package can dig
-// information out of it for Inspect().
-func (s *storageImageDestination) getConfigBlob(info types.BlobInfo) ([]byte, error) {
-	if info.Digest == "" {
-		return nil, errors.Errorf(`no digest supplied when reading blob`)
-	}
-	if err := info.Digest.Validate(); err != nil {
-		return nil, errors.Wrapf(err, `invalid digest supplied when reading blob`)
+		return types.BlobInfo{Digest: blobinfo.Digest, Size: int64(len(b))}, nil
 	}
-	// Assume it's a file, since we're only calling this from a place that expects to read files.
-	if filename, ok := s.filenames[info.Digest]; ok {
-		contents, err2 := ioutil.ReadFile(filename)
-		if err2 != nil {
-			return nil, errors.Wrapf(err2, `error reading blob from file %q`, filename)
-		}
-		return contents, nil
+	layerList := s.Layers[blobinfo.Digest]
+	rc, _, err := diffLayer(s.imageRef.transport.store, layerList[len(layerList)-1])
+	if err != nil {
+		return types.BlobInfo{}, err
 	}
-	// If it's not a file, it's a bug, because we're not expecting to be asked for a layer.
-	return nil, errors.New("blob not found")
+	return s.putBlob(rc, blobinfo, false)
 }
 
 func (s *storageImageDestination) Commit() error {
-	// Find the list of layer blobs.
-	if len(s.manifest) == 0 {
-		return errors.New("Internal error: storageImageDestination.Commit() called without PutManifest()")
-	}
-	man, err := manifest.FromBlob(s.manifest, manifest.GuessMIMEType(s.manifest))
-	if err != nil {
-		return errors.Wrapf(err, "error parsing manifest")
-	}
-	layerBlobs := man.LayerInfos()
-	// Extract or find the layers.
+	// Create the image record.
 	lastLayer := ""
-	addedLayers := []string{}
-	for _, blob := range layerBlobs {
-		var diff io.ReadCloser
-		// Check if there's already a layer with the ID that we'd give to the result of applying
-		// this layer blob to its parent, if it has one, or the blob's hex value otherwise.
-		diffID, haveDiffID := s.blobDiffIDs[blob.Digest]
-		if !haveDiffID {
-			// Check if it's elsewhere and the caller just forgot to pass it to us in a PutBlob(),
-			// or to even check if we had it.
-			logrus.Debugf("looking for diffID for blob %+v", blob.Digest)
-			has, _, err := s.HasBlob(blob)
-			if err != nil {
-				return errors.Wrapf(err, "error checking for a layer based on blob %q", blob.Digest.String())
-			}
-			if !has {
-				return errors.Errorf("error determining uncompressed digest for blob %q", blob.Digest.String())
-			}
-			diffID, haveDiffID = s.blobDiffIDs[blob.Digest]
-			if !haveDiffID {
-				return errors.Errorf("we have blob %q, but don't know its uncompressed digest", blob.Digest.String())
-			}
-		}
-		id := diffID.Hex()
-		if lastLayer != "" {
-			id = digest.Canonical.FromBytes([]byte(lastLayer + "+" + diffID.Hex())).Hex()
-		}
-		if layer, err2 := s.imageRef.transport.store.Layer(id); layer != nil && err2 == nil {
-			// There's already a layer that should have the right contents, just reuse it.
-			lastLayer = layer.ID
-			continue
-		}
-		// Check if we cached a file with that blobsum.  If we didn't already have a layer with
-		// the blob's contents, we should have gotten a copy.
-		if filename, ok := s.filenames[blob.Digest]; ok {
-			// Use the file's contents to initialize the layer.
-			file, err2 := os.Open(filename)
-			if err2 != nil {
-				return errors.Wrapf(err2, "error opening file %q", filename)
-			}
-			defer file.Close()
-			diff = file
-		}
-		if diff == nil {
-			// Try to find a layer with contents matching that blobsum.
-			layer := ""
-			layers, err2 := s.imageRef.transport.store.LayersByUncompressedDigest(blob.Digest)
-			if err2 == nil && len(layers) > 0 {
-				layer = layers[0].ID
-			} else {
-				layers, err2 = s.imageRef.transport.store.LayersByCompressedDigest(blob.Digest)
-				if err2 == nil && len(layers) > 0 {
-					layer = layers[0].ID
-				}
-			}
-			if layer == "" {
-				return errors.Wrapf(err2, "error locating layer for blob %q", blob.Digest)
-			}
-			// Use the layer's contents to initialize the new layer.
-			noCompression := archive.Uncompressed
-			diffOptions := &storage.DiffOptions{
-				Compression: &noCompression,
-			}
-			diff, err2 = s.imageRef.transport.store.Diff("", layer, diffOptions)
-			if err2 != nil {
-				return errors.Wrapf(err2, "error reading layer %q for blob %q", layer, blob.Digest)
-			}
-			defer diff.Close()
-		}
-		if diff == nil {
-			// This shouldn't have happened.
-			return errors.Errorf("error applying blob %q: content not found", blob.Digest)
+	for _, blob := range s.BlobList {
+		if layerList, ok := s.Layers[blob.Digest]; ok {
+			lastLayer = layerList[len(layerList)-1]
 		}
-		// Build the new layer using the diff, regardless of where it came from.
-		layer, _, err := s.imageRef.transport.store.PutLayer(id, lastLayer, nil, "", false, diff)
-		if err != nil {
-			return errors.Wrapf(err, "error adding layer with blob %q", blob.Digest)
-		}
-		lastLayer = layer.ID
-		addedLayers = append([]string{lastLayer}, addedLayers...)
-	}
-	// If one of those blobs was a configuration blob, then we can try to dig out the date when the image
-	// was originally created, in case we're just copying it.  If not, no harm done.
-	var options *storage.ImageOptions
-	if inspect, err := man.Inspect(s.getConfigBlob); err == nil {
-		logrus.Debugf("setting image creation date to %s", inspect.Created)
-		options = &storage.ImageOptions{
-			CreationDate: inspect.Created,
-		}
-	}
-	// Create the image record, pointing to the most-recently added layer.
-	intendedID := s.imageRef.id
-	if intendedID == "" {
-		intendedID = s.computeID(man)
 	}
-	oldNames := []string{}
-	img, err := s.imageRef.transport.store.CreateImage(intendedID, nil, lastLayer, "", options)
+	img, err := s.imageRef.transport.store.CreateImage(s.ID, nil, lastLayer, "", nil)
 	if err != nil {
 		if errors.Cause(err) != storage.ErrDuplicateID {
 			logrus.Debugf("error creating image: %q", err)
-			return errors.Wrapf(err, "error creating image %q", intendedID)
+			return errors.Wrapf(err, "error creating image %q", s.ID)
 		}
-		img, err = s.imageRef.transport.store.Image(intendedID)
+		img, err = s.imageRef.transport.store.Image(s.ID)
 		if err != nil {
-			return errors.Wrapf(err, "error reading image %q", intendedID)
+			return errors.Wrapf(err, "error reading image %q", s.ID)
 		}
 		if img.TopLayer != lastLayer {
-			logrus.Debugf("error creating image: image with ID %q exists, but uses different layers", intendedID)
-			return errors.Wrapf(storage.ErrDuplicateID, "image with ID %q already exists, but uses a different top layer", intendedID)
+			logrus.Debugf("error creating image: image with ID %q exists, but uses different layers", s.ID)
+			return errors.Wrapf(storage.ErrDuplicateID, "image with ID %q already exists, but uses a different top layer", s.ID)
 		}
 		logrus.Debugf("reusing image ID %q", img.ID)
-		oldNames = append(oldNames, img.Names...)
 	} else {
 		logrus.Debugf("created new image ID %q", img.ID)
 	}
-	// Add the non-layer blobs as data items.  Since we only share layers, they should all be in files, so
-	// we just need to screen out the ones that are actually layers to get the list of non-layers.
-	dataBlobs := make(map[digest.Digest]struct{})
-	for blob := range s.filenames {
-		dataBlobs[blob] = struct{}{}
+	s.ID = img.ID
+	names := img.Names
+	if s.Tag != "" {
+		names = append(names, s.Tag)
 	}
-	for _, layerBlob := range layerBlobs {
-		delete(dataBlobs, layerBlob.Digest)
-	}
-	for blob := range dataBlobs {
-		v, err := ioutil.ReadFile(s.filenames[blob])
-		if err != nil {
-			return errors.Wrapf(err, "error copying non-layer blob %q to image", blob)
-		}
-		if err := s.imageRef.transport.store.SetImageBigData(img.ID, blob.String(), v); err != nil {
+	// We have names to set, so move those names to this image.
+	if len(names) > 0 {
+		if err := s.imageRef.transport.store.SetNames(img.ID, names); err != nil {
 			if _, err2 := s.imageRef.transport.store.DeleteImage(img.ID, true); err2 != nil {
 				logrus.Debugf("error deleting incomplete image %q: %v", img.ID, err2)
 			}
-			logrus.Debugf("error saving big data %q for image %q: %v", blob.String(), img.ID, err)
-			return errors.Wrapf(err, "error saving big data %q for image %q", blob.String(), img.ID)
+			logrus.Debugf("error setting names on image %q: %v", img.ID, err)
+			return err
 		}
+		logrus.Debugf("set names of image %q to %v", img.ID, names)
 	}
-	// Set the reference's name on the image.
-	if name := s.imageRef.DockerReference(); len(oldNames) > 0 || name != nil {
-		names := []string{}
-		if name != nil {
-			names = append(names, verboseName(name))
-		}
-		if len(oldNames) > 0 {
-			names = append(names, oldNames...)
-		}
-		if err := s.imageRef.transport.store.SetNames(img.ID, names); err != nil {
+	// Save the data blobs to disk, and drop their contents from memory.
+	keys := []ddigest.Digest{}
+	for k, v := range s.BlobData {
+		if err := s.imageRef.transport.store.SetImageBigData(img.ID, k.String(), v); err != nil {
 			if _, err2 := s.imageRef.transport.store.DeleteImage(img.ID, true); err2 != nil {
 				logrus.Debugf("error deleting incomplete image %q: %v", img.ID, err2)
 			}
-			logrus.Debugf("error setting names %v on image %q: %v", names, img.ID, err)
-			return errors.Wrapf(err, "error setting names %v on image %q", names, img.ID)
+			logrus.Debugf("error saving big data %q for image %q: %v", k, img.ID, err)
+			return err
 		}
-		logrus.Debugf("set names of image %q to %v", img.ID, names)
+		keys = append(keys, k)
+	}
+	for _, key := range keys {
+		delete(s.BlobData, key)
 	}
-	// Save the manifest.
-	if err := s.imageRef.transport.store.SetImageBigData(img.ID, "manifest", s.manifest); err != nil {
+	// Save the manifest, if we have one.
+	if err := s.imageRef.transport.store.SetImageBigData(s.ID, "manifest", s.Manifest); err != nil {
 		if _, err2 := s.imageRef.transport.store.DeleteImage(img.ID, true); err2 != nil {
 			logrus.Debugf("error deleting incomplete image %q: %v", img.ID, err2)
 		}
@@ -731,14 +390,12 @@ func (s *storageImageDestination) Commit() error {
 		return err
 	}
 	// Save the signatures, if we have any.
-	if len(s.signatures) > 0 {
-		if err := s.imageRef.transport.store.SetImageBigData(img.ID, "signatures", s.signatures); err != nil {
-			if _, err2 := s.imageRef.transport.store.DeleteImage(img.ID, true); err2 != nil {
-				logrus.Debugf("error deleting incomplete image %q: %v", img.ID, err2)
-			}
-			logrus.Debugf("error saving signatures for image %q: %v", img.ID, err)
-			return err
+	if err := s.imageRef.transport.store.SetImageBigData(s.ID, "signatures", s.Signatures); err != nil {
+		if _, err2 := s.imageRef.transport.store.DeleteImage(img.ID, true); err2 != nil {
+			logrus.Debugf("error deleting incomplete image %q: %v", img.ID, err2)
 		}
+		logrus.Debugf("error saving signatures for image %q: %v", img.ID, err)
+		return err
 	}
 	// Save our metadata.
 	metadata, err := json.Marshal(s)
@@ -750,7 +407,7 @@ func (s *storageImageDestination) Commit() error {
 		return err
 	}
 	if len(metadata) != 0 {
-		if err = s.imageRef.transport.store.SetMetadata(img.ID, string(metadata)); err != nil {
+		if err = s.imageRef.transport.store.SetMetadata(s.ID, string(metadata)); err != nil {
 			if _, err2 := s.imageRef.transport.store.DeleteImage(img.ID, true); err2 != nil {
 				logrus.Debugf("error deleting incomplete image %q: %v", img.ID, err2)
 			}
@@ -763,7 +420,7 @@ func (s *storageImageDestination) Commit() error {
 }
 
 var manifestMIMETypes = []string{
-	imgspecv1.MediaTypeImageManifest,
+	// TODO(runcom): we'll add OCI as part of another PR here
 	manifest.DockerV2Schema2MediaType,
 	manifest.DockerV2Schema1SignedMediaType,
 	manifest.DockerV2Schema1MediaType,
@@ -773,20 +430,23 @@ func (s *storageImageDestination) SupportedManifestMIMETypes() []string {
 	return manifestMIMETypes
 }
 
-// PutManifest writes the manifest to the destination.
+// PutManifest writes manifest to the destination.
+// FIXME? This should also receive a MIME type if known, to differentiate between schema versions.
+// If the destination is in principle available, refuses this manifest type (e.g. it does not recognize the schema),
+// but may accept a different manifest type, the returned error must be an ManifestTypeRejectedError.
 func (s *storageImageDestination) PutManifest(manifest []byte) error {
-	s.manifest = make([]byte, len(manifest))
-	copy(s.manifest, manifest)
+	s.Manifest = make([]byte, len(manifest))
+	copy(s.Manifest, manifest)
 	return nil
 }
 
-// SupportsSignatures returns an error if we can't expect GetSignatures() to return data that was
-// previously supplied to PutSignatures().
+// SupportsSignatures returns an error if we can't expect GetSignatures() to
+// return data that was previously supplied to PutSignatures().
 func (s *storageImageDestination) SupportsSignatures() error {
 	return nil
 }
 
-// AcceptsForeignLayerURLs returns false iff foreign layers in the manifest should actually be
+// AcceptsForeignLayerURLs returns false iff foreign layers in manifest should be actually
 // uploaded to the image destination, true otherwise.
 func (s *storageImageDestination) AcceptsForeignLayerURLs() bool {
 	return false
@@ -797,7 +457,6 @@ func (s *storageImageDestination) MustMatchRuntimeOS() bool {
 	return true
 }
 
-// PutSignatures records the image's signatures for committing as a single data blob.
 func (s *storageImageDestination) PutSignatures(signatures [][]byte) error {
 	sizes := []int{}
 	sigblob := []byte{}
@@ -808,62 +467,156 @@ func (s *storageImageDestination) PutSignatures(signatures [][]byte) error {
 		copy(newblob[len(sigblob):], sig)
 		sigblob = newblob
 	}
-	s.signatures = sigblob
+	s.Signatures = sigblob
 	s.SignatureSizes = sizes
 	return nil
 }
 
-// getSize() adds up the sizes of the image's data blobs (which includes the configuration blob), the
-// signatures, and the uncompressed sizes of all of the image's layers.
+func (s *storageImageSource) GetBlob(info types.BlobInfo) (rc io.ReadCloser, n int64, err error) {
+	rc, n, _, err = s.getBlobAndLayerID(info)
+	return rc, n, err
+}
+
+func (s *storageImageSource) getBlobAndLayerID(info types.BlobInfo) (rc io.ReadCloser, n int64, layerID string, err error) {
+	err = info.Digest.Validate()
+	if err != nil {
+		return nil, -1, "", err
+	}
+	if layerList, ok := s.Layers[info.Digest]; !ok || len(layerList) < 1 {
+		b, err := s.imageRef.transport.store.ImageBigData(s.ID, info.Digest.String())
+		if err != nil {
+			return nil, -1, "", err
+		}
+		r := bytes.NewReader(b)
+		logrus.Debugf("exporting opaque data as blob %q", info.Digest.String())
+		return ioutil.NopCloser(r), int64(r.Len()), "", nil
+	}
+	// If the blob was "put" more than once, we have multiple layer IDs
+	// which should all produce the same diff.  For the sake of tests that
+	// want to make sure we created different layers each time the blob was
+	// "put", though, cycle through the layers.
+	layerList := s.Layers[info.Digest]
+	position, ok := s.LayerPosition[info.Digest]
+	if !ok {
+		position = 0
+	}
+	s.LayerPosition[info.Digest] = (position + 1) % len(layerList)
+	logrus.Debugf("exporting filesystem layer %q for blob %q", layerList[position], info.Digest)
+	rc, n, err = diffLayer(s.imageRef.transport.store, layerList[position])
+	return rc, n, layerList[position], err
+}
+
+func diffLayer(store storage.Store, layerID string) (rc io.ReadCloser, n int64, err error) {
+	layer, err := store.Layer(layerID)
+	if err != nil {
+		return nil, -1, err
+	}
+	layerMeta := storageLayerMetadata{
+		CompressedSize: -1,
+	}
+	if layer.Metadata != "" {
+		if err := json.Unmarshal([]byte(layer.Metadata), &layerMeta); err != nil {
+			return nil, -1, errors.Wrapf(err, "error decoding metadata for layer %q", layerID)
+		}
+	}
+	if layerMeta.CompressedSize <= 0 {
+		n = -1
+	} else {
+		n = layerMeta.CompressedSize
+	}
+	diff, err := store.Diff("", layer.ID, nil)
+	if err != nil {
+		return nil, -1, err
+	}
+	return diff, n, nil
+}
+
+// GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
+// It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (s *storageImageSource) GetManifest(instanceDigest *ddigest.Digest) (manifestBlob []byte, MIMEType string, err error) {
+	if instanceDigest != nil {
+		return nil, "", ErrNoManifestLists
+	}
+	manifestBlob, err = s.imageRef.transport.store.ImageBigData(s.ID, "manifest")
+	return manifestBlob, manifest.GuessMIMEType(manifestBlob), err
+}
+
+// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (s *storageImageSource) GetSignatures(ctx context.Context, instanceDigest *ddigest.Digest) ([][]byte, error) {
+	if instanceDigest != nil {
+		return nil, ErrNoManifestLists
+	}
+	var offset int
+	signature, err := s.imageRef.transport.store.ImageBigData(s.ID, "signatures")
+	if err != nil {
+		return nil, err
+	}
+	sigslice := [][]byte{}
+	for _, length := range s.SignatureSizes {
+		sigslice = append(sigslice, signature[offset:offset+length])
+		offset += length
+	}
+	if offset != len(signature) {
+		return nil, errors.Errorf("signatures data contained %d extra bytes", len(signature)-offset)
+	}
+	return sigslice, nil
+}
+
 func (s *storageImageSource) getSize() (int64, error) {
 	var sum int64
-	// Size up the data blobs.
-	dataNames, err := s.imageRef.transport.store.ListImageBigData(s.ID)
+	names, err := s.imageRef.transport.store.ListImageBigData(s.imageRef.id)
 	if err != nil {
-		return -1, errors.Wrapf(err, "error reading image %q", s.ID)
+		return -1, errors.Wrapf(err, "error reading image %q", s.imageRef.id)
 	}
-	for _, dataName := range dataNames {
-		bigSize, err := s.imageRef.transport.store.ImageBigDataSize(s.ID, dataName)
+	for _, name := range names {
+		bigSize, err := s.imageRef.transport.store.ImageBigDataSize(s.imageRef.id, name)
 		if err != nil {
-			return -1, errors.Wrapf(err, "error reading data blob size %q for %q", dataName, s.ID)
+			return -1, errors.Wrapf(err, "error reading data blob size %q for %q", name, s.imageRef.id)
 		}
 		sum += bigSize
 	}
-	// Add the signature sizes.
 	for _, sigSize := range s.SignatureSizes {
 		sum += int64(sigSize)
 	}
-	// Prepare to walk the layer list.
-	img, err := s.imageRef.transport.store.Image(s.ID)
-	if err != nil {
-		return -1, errors.Wrapf(err, "error reading image info %q", s.ID)
-	}
-	// Walk the layer list.
-	layerID := img.TopLayer
-	for layerID != "" {
-		layer, err := s.imageRef.transport.store.Layer(layerID)
-		if err != nil {
-			return -1, err
-		}
-		if layer.UncompressedDigest == "" || layer.UncompressedSize < 0 {
-			return -1, errors.Errorf("size for layer %q is unknown, failing getSize()", layerID)
-		}
-		sum += layer.UncompressedSize
-		if layer.Parent == "" {
-			break
+	for _, layerList := range s.Layers {
+		for _, layerID := range layerList {
+			layer, err := s.imageRef.transport.store.Layer(layerID)
+			if err != nil {
+				return -1, err
+			}
+			layerMeta := storageLayerMetadata{
+				Size: -1,
+			}
+			if layer.Metadata != "" {
+				if err := json.Unmarshal([]byte(layer.Metadata), &layerMeta); err != nil {
+					return -1, errors.Wrapf(err, "error decoding metadata for layer %q", layerID)
+				}
+			}
+			if layerMeta.Size < 0 {
+				return -1, errors.Errorf("size for layer %q is unknown, failing getSize()", layerID)
+			}
+			sum += layerMeta.Size
 		}
-		layerID = layer.Parent
 	}
 	return sum, nil
 }
 
-// newImage creates an image that also knows its size
-func newImage(s storageReference) (types.Image, error) {
+func (s *storageImageCloser) Size() (int64, error) {
+	return s.size, nil
+}
+
+// newImage creates an ImageCloser that also knows its size
+func newImage(ctx *types.SystemContext, s storageReference) (types.ImageCloser, error) {
 	src, err := newImageSource(s)
 	if err != nil {
 		return nil, err
 	}
-	img, err := image.FromSource(src)
+	img, err := image.FromSource(ctx, src)
 	if err != nil {
 		return nil, err
 	}
@@ -871,10 +624,5 @@ func newImage(s storageReference) (types.Image, error) {
 	if err != nil {
 		return nil, err
 	}
-	return &storageImage{Image: img, size: size}, nil
-}
-
-// Size() returns the previously-computed size of the image, with no error.
-func (s storageImage) Size() (int64, error) {
-	return s.size, nil
+	return &storageImageCloser{ImageCloser: img, size: size}, nil
 }
diff --git a/vendor/github.com/containers/image/storage/storage_reference.go b/vendor/github.com/containers/image/storage/storage_reference.go
index b7da47ac5..efad95ce6 100644
--- a/vendor/github.com/containers/image/storage/storage_reference.go
+++ b/vendor/github.com/containers/image/storage/storage_reference.go
@@ -8,7 +8,6 @@ import (
 	"github.com/containers/image/docker/reference"
 	"github.com/containers/image/types"
 	"github.com/containers/storage"
-	digest "github.com/opencontainers/go-digest"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
@@ -21,11 +20,9 @@ type storageReference struct {
 	reference string
 	id        string
 	name      reference.Named
-	tag       string
-	digest    digest.Digest
 }
 
-func newReference(transport storageTransport, reference, id string, name reference.Named, tag string, digest digest.Digest) *storageReference {
+func newReference(transport storageTransport, reference, id string, name reference.Named) *storageReference {
 	// We take a copy of the transport, which contains a pointer to the
 	// store that it used for resolving this reference, so that the
 	// transport that we'll return from Transport() won't be affected by
@@ -35,8 +32,6 @@ func newReference(transport storageTransport, reference, id string, name referen
 		reference: reference,
 		id:        id,
 		name:      name,
-		tag:       tag,
-		digest:    digest,
 	}
 }
 
@@ -83,21 +78,8 @@ func (s storageReference) Transport() types.ImageTransport {
 	}
 }
 
-// Return a name with a tag or digest, if we have either, else return it bare.
+// Return a name with a tag, if we have a name to base them on.
 func (s storageReference) DockerReference() reference.Named {
-	if s.name == nil {
-		return nil
-	}
-	if s.tag != "" {
-		if namedTagged, err := reference.WithTag(s.name, s.tag); err == nil {
-			return namedTagged
-		}
-	}
-	if s.digest != "" {
-		if canonical, err := reference.WithDigest(s.name, s.digest); err == nil {
-			return canonical
-		}
-	}
 	return s.name
 }
 
@@ -111,7 +93,7 @@ func (s storageReference) StringWithinTransport() string {
 		optionsList = ":" + strings.Join(options, ",")
 	}
 	storeSpec := "[" + s.transport.store.GraphDriverName() + "@" + s.transport.store.GraphRoot() + "+" + s.transport.store.RunRoot() + optionsList + "]"
-	if s.reference == "" {
+	if s.name == nil {
 		return storeSpec + "@" + s.id
 	}
 	if s.id == "" {
@@ -140,8 +122,11 @@ func (s storageReference) PolicyConfigurationNamespaces() []string {
 	driverlessStoreSpec := "[" + s.transport.store.GraphRoot() + "]"
 	namespaces := []string{}
 	if s.name != nil {
-		name := reference.TrimNamed(s.name)
-		components := strings.Split(name.String(), "/")
+		if s.id != "" {
+			// The reference without the ID is also a valid namespace.
+			namespaces = append(namespaces, storeSpec+s.reference)
+		}
+		components := strings.Split(s.name.Name(), "/")
 		for len(components) > 0 {
 			namespaces = append(namespaces, storeSpec+strings.Join(components, "/"))
 			components = components[:len(components)-1]
@@ -152,8 +137,13 @@ func (s storageReference) PolicyConfigurationNamespaces() []string {
 	return namespaces
 }
 
-func (s storageReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
-	return newImage(s)
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
+// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
+// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (s storageReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
+	return newImage(ctx, s)
 }
 
 func (s storageReference) DeleteImage(ctx *types.SystemContext) error {
diff --git a/vendor/github.com/containers/image/storage/storage_transport.go b/vendor/github.com/containers/image/storage/storage_transport.go
index d21cf02c8..df4578a8d 100644
--- a/vendor/github.com/containers/image/storage/storage_transport.go
+++ b/vendor/github.com/containers/image/storage/storage_transport.go
@@ -13,14 +13,11 @@ import (
 	"github.com/containers/image/types"
 	"github.com/containers/storage"
 	"github.com/containers/storage/pkg/idtools"
-	digest "github.com/opencontainers/go-digest"
+	"github.com/opencontainers/go-digest"
+	ddigest "github.com/opencontainers/go-digest"
 	"github.com/sirupsen/logrus"
 )
 
-const (
-	minimumTruncatedIDLength = 3
-)
-
 func init() {
 	transports.Register(Transport)
 }
@@ -106,133 +103,69 @@ func (s *storageTransport) DefaultGIDMap() []idtools.IDMap {
 // relative to the given store, and returns it in a reference object.
 func (s storageTransport) ParseStoreReference(store storage.Store, ref string) (*storageReference, error) {
 	var name reference.Named
+	var sum digest.Digest
+	var err error
 	if ref == "" {
-		return nil, errors.Wrapf(ErrInvalidReference, "%q is an empty reference")
+		return nil, ErrInvalidReference
 	}
 	if ref[0] == '[' {
 		// Ignore the store specifier.
 		closeIndex := strings.IndexRune(ref, ']')
 		if closeIndex < 1 {
-			return nil, errors.Wrapf(ErrInvalidReference, "store specifier in %q did not end", ref)
+			return nil, ErrInvalidReference
 		}
 		ref = ref[closeIndex+1:]
 	}
-
-	// The last segment, if there's more than one, is either a digest from a reference, or an image ID.
-	split := strings.LastIndex(ref, "@")
-	idOrDigest := ""
-	if split != -1 {
-		// Peel off that last bit so that we can work on the rest.
-		idOrDigest = ref[split+1:]
-		if idOrDigest == "" {
-			return nil, errors.Wrapf(ErrInvalidReference, "%q does not look like a digest or image ID", idOrDigest)
-		}
-		ref = ref[:split]
-	}
-
-	// The middle segment (now the last segment), if there is one, is a digest.
-	split = strings.LastIndex(ref, "@")
-	sum := digest.Digest("")
-	if split != -1 {
-		sum = digest.Digest(ref[split+1:])
-		if sum == "" {
-			return nil, errors.Wrapf(ErrInvalidReference, "%q does not look like an image digest", sum)
-		}
-		ref = ref[:split]
-	}
-
-	// If we have something that unambiguously should be a digest, validate it, and then the third part,
-	// if we have one, as an ID.
-	id := ""
-	if sum != "" {
-		if idSum, err := digest.Parse("sha256:" + idOrDigest); err != nil || idSum.Validate() != nil {
-			return nil, errors.Wrapf(ErrInvalidReference, "%q does not look like an image ID", idOrDigest)
-		}
-		if err := sum.Validate(); err != nil {
-			return nil, errors.Wrapf(ErrInvalidReference, "%q does not look like an image digest", sum)
-		}
-		id = idOrDigest
-		if img, err := store.Image(idOrDigest); err == nil && img != nil && len(id) >= minimumTruncatedIDLength {
-			// The ID is a truncated version of the ID of an image that's present in local storage,
-			// so we might as well use the expanded value.
-			id = img.ID
-		}
-	} else if idOrDigest != "" {
-		// There was no middle portion, so the final portion could be either a digest or an ID.
-		if idSum, err := digest.Parse("sha256:" + idOrDigest); err == nil && idSum.Validate() == nil {
-			// It's an ID.
-			id = idOrDigest
-		} else if idSum, err := digest.Parse(idOrDigest); err == nil && idSum.Validate() == nil {
-			// It's a digest.
-			sum = idSum
-		} else if img, err := store.Image(idOrDigest); err == nil && img != nil && len(idOrDigest) >= minimumTruncatedIDLength {
-			// It's a truncated version of the ID of an image that's present in local storage,
-			// and we may need the expanded value.
-			id = img.ID
-		} else {
-			return nil, errors.Wrapf(ErrInvalidReference, "%q does not look like a digest or image ID", idOrDigest)
+	refInfo := strings.SplitN(ref, "@", 2)
+	if len(refInfo) == 1 {
+		// A name.
+		name, err = reference.ParseNormalizedNamed(refInfo[0])
+		if err != nil {
+			return nil, err
 		}
-	}
-
-	// If we only had one portion, then _maybe_ it's a truncated image ID.  Only check on that if it's
-	// at least of what we guess is a reasonable minimum length, because we don't want a really short value
-	// like "a" matching an image by ID prefix when the input was actually meant to specify an image name.
-	if len(ref) >= minimumTruncatedIDLength && sum == "" && id == "" {
-		if img, err := store.Image(idOrDigest); err == nil && img != nil {
-			// It's a truncated version of the ID of an image that's present in local storage;
-			// we need to expand it.
-			id = img.ID
-			ref = ""
+	} else if len(refInfo) == 2 {
+		// An ID, possibly preceded by a name.
+		if refInfo[0] != "" {
+			name, err = reference.ParseNormalizedNamed(refInfo[0])
+			if err != nil {
+				return nil, err
+			}
 		}
-	}
-
-	// The initial portion is probably a name, possibly with a tag.
-	if ref != "" {
-		var err error
-		if name, err = reference.ParseNormalizedNamed(ref); err != nil {
-			return nil, errors.Wrapf(err, "error parsing named reference %q", ref)
+		sum, err = digest.Parse(refInfo[1])
+		if err != nil || sum.Validate() != nil {
+			sum, err = digest.Parse("sha256:" + refInfo[1])
+			if err != nil || sum.Validate() != nil {
+				return nil, err
+			}
 		}
+	} else { // Coverage: len(refInfo) is always 1 or 2
+		// Anything else: store specified in a form we don't
+		// recognize.
+		return nil, ErrInvalidReference
 	}
-	if name == nil && sum == "" && id == "" {
-		return nil, errors.Errorf("error parsing reference")
-	}
-
-	// Construct a copy of the store spec.
 	optionsList := ""
 	options := store.GraphOptions()
 	if len(options) > 0 {
 		optionsList = ":" + strings.Join(options, ",")
 	}
 	storeSpec := "[" + store.GraphDriverName() + "@" + store.GraphRoot() + "+" + store.RunRoot() + optionsList + "]"
-
-	// Convert the name back into a reference string, if we got a name.
+	id := ""
+	if sum.Validate() == nil {
+		id = sum.Hex()
+	}
 	refname := ""
-	tag := ""
 	if name != nil {
-		if sum.Validate() == nil {
-			canonical, err := reference.WithDigest(name, sum)
-			if err != nil {
-				return nil, errors.Wrapf(err, "error mixing name %q with digest %q", name, sum)
-			}
-			refname = verboseName(canonical)
-		} else {
-			name = reference.TagNameOnly(name)
-			tagged, ok := name.(reference.Tagged)
-			if !ok {
-				return nil, errors.Errorf("error parsing possibly-tagless name %q", ref)
-			}
-			refname = verboseName(name)
-			tag = tagged.Tag()
-		}
+		name = reference.TagNameOnly(name)
+		refname = verboseName(name)
 	}
 	if refname == "" {
-		logrus.Debugf("parsed reference into %q", storeSpec+"@"+id)
+		logrus.Debugf("parsed reference to id into %q", storeSpec+"@"+id)
 	} else if id == "" {
-		logrus.Debugf("parsed reference into %q", storeSpec+refname)
+		logrus.Debugf("parsed reference to refname into %q", storeSpec+refname)
 	} else {
-		logrus.Debugf("parsed reference into %q", storeSpec+refname+"@"+id)
+		logrus.Debugf("parsed reference to refname@id into %q", storeSpec+refname+"@"+id)
 	}
-	return newReference(storageTransport{store: store, defaultUIDMap: s.defaultUIDMap, defaultGIDMap: s.defaultGIDMap}, refname, id, name, tag, sum), nil
+	return newReference(storageTransport{store: store, defaultUIDMap: s.defaultUIDMap, defaultGIDMap: s.defaultGIDMap}, refname, id, name), nil
 }
 
 func (s *storageTransport) GetStore() (storage.Store, error) {
@@ -251,14 +184,11 @@ func (s *storageTransport) GetStore() (storage.Store, error) {
 	return s.store, nil
 }
 
-// ParseReference takes a name and a tag or digest and/or ID
-// ("_name_"/"@_id_"/"_name_:_tag_"/"_name_:_tag_@_id_"/"_name_@_digest_"/"_name_@_digest_@_id_"),
+// ParseReference takes a name and/or an ID ("_name_"/"@_id_"/"_name_@_id_"),
 // possibly prefixed with a store specifier in the form "[_graphroot_]" or
 // "[_driver_@_graphroot_]" or "[_driver_@_graphroot_+_runroot_]" or
 // "[_driver_@_graphroot_:_options_]" or "[_driver_@_graphroot_+_runroot_:_options_]",
 // tries to figure out which it is, and returns it in a reference object.
-// If _id_ is the ID of an image that's present in local storage, it can be truncated, and
-// even be specified as if it were a _name_, value.
 func (s *storageTransport) ParseReference(reference string) (types.ImageReference, error) {
 	var store storage.Store
 	// Check if there's a store location prefix.  If there is, then it
@@ -407,7 +337,7 @@ func (s storageTransport) ValidatePolicyConfigurationScope(scope string) error {
 		if err != nil {
 			return err
 		}
-		_, err = digest.Parse("sha256:" + scopeInfo[1])
+		_, err = ddigest.Parse("sha256:" + scopeInfo[1])
 		if err != nil {
 			return err
 		}
@@ -417,28 +347,11 @@ func (s storageTransport) ValidatePolicyConfigurationScope(scope string) error {
 	return nil
 }
 
-func verboseName(r reference.Reference) string {
-	if r == nil {
-		return ""
-	}
-	named, isNamed := r.(reference.Named)
-	digested, isDigested := r.(reference.Digested)
-	tagged, isTagged := r.(reference.Tagged)
-	name := ""
+func verboseName(name reference.Named) string {
+	name = reference.TagNameOnly(name)
 	tag := ""
-	sum := ""
-	if isNamed {
-		name = (reference.TrimNamed(named)).String()
-	}
-	if isTagged {
-		if tagged.Tag() != "" {
-			tag = ":" + tagged.Tag()
-		}
-	}
-	if isDigested {
-		if digested.Digest().Validate() == nil {
-			sum = "@" + digested.Digest().String()
-		}
+	if tagged, ok := name.(reference.NamedTagged); ok {
+		tag = ":" + tagged.Tag()
 	}
-	return name + tag + sum
+	return name.Name() + tag
 }
diff --git a/vendor/github.com/containers/image/tarball/tarball_reference.go b/vendor/github.com/containers/image/tarball/tarball_reference.go
index 18967041a..4ccfb4063 100644
--- a/vendor/github.com/containers/image/tarball/tarball_reference.go
+++ b/vendor/github.com/containers/image/tarball/tarball_reference.go
@@ -61,12 +61,17 @@ func (r *tarballReference) PolicyConfigurationNamespaces() []string {
 	return nil
 }
 
-func (r *tarballReference) NewImage(ctx *types.SystemContext) (types.Image, error) {
+// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+// The caller must call .Close() on the returned ImageCloser.
+// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
+// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
+// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+func (r *tarballReference) NewImage(ctx *types.SystemContext) (types.ImageCloser, error) {
 	src, err := r.NewImageSource(ctx)
 	if err != nil {
 		return nil, err
 	}
-	img, err := image.FromSource(src)
+	img, err := image.FromSource(ctx, src)
 	if err != nil {
 		src.Close()
 		return nil, err
diff --git a/vendor/github.com/containers/image/tarball/tarball_src.go b/vendor/github.com/containers/image/tarball/tarball_src.go
index 22b98c16c..872a446a1 100644
--- a/vendor/github.com/containers/image/tarball/tarball_src.go
+++ b/vendor/github.com/containers/image/tarball/tarball_src.go
@@ -228,18 +228,28 @@ func (is *tarballImageSource) GetBlob(blobinfo types.BlobInfo) (io.ReadCloser, i
 	return nil, -1, fmt.Errorf("no blob with digest %q found", blobinfo.Digest.String())
 }
 
-func (is *tarballImageSource) GetManifest() ([]byte, string, error) {
+// GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
+// It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+func (is *tarballImageSource) GetManifest(instanceDigest *digest.Digest) ([]byte, string, error) {
+	if instanceDigest != nil {
+		return nil, "", fmt.Errorf("manifest lists are not supported by the %q transport", transportName)
+	}
 	return is.manifest, imgspecv1.MediaTypeImageManifest, nil
 }
 
-func (*tarballImageSource) GetSignatures(context.Context) ([][]byte, error) {
+// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
+// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+// (e.g. if the source never returns manifest lists).
+func (*tarballImageSource) GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error) {
+	if instanceDigest != nil {
+		return nil, fmt.Errorf("manifest lists are not supported by the %q transport", transportName)
+	}
 	return nil, nil
 }
 
-func (*tarballImageSource) GetTargetManifest(digest.Digest) ([]byte, string, error) {
-	return nil, "", fmt.Errorf("manifest lists are not supported by the %q transport", transportName)
-}
-
 func (is *tarballImageSource) Reference() types.ImageReference {
 	return &is.reference
 }
diff --git a/vendor/github.com/containers/image/transports/alltransports/storage_stub.go b/vendor/github.com/containers/image/transports/alltransports/storage_stub.go
index 1b7b005eb..4ac684e58 100644
--- a/vendor/github.com/containers/image/transports/alltransports/storage_stub.go
+++ b/vendor/github.com/containers/image/transports/alltransports/storage_stub.go
@@ -5,5 +5,5 @@ package alltransports
 import "github.com/containers/image/transports"
 
 func init() {
-	transports.Register(transports.NewStubTransport("storage"))
+	transports.Register(transports.NewStubTransport("containers-storage"))
 }
diff --git a/vendor/github.com/containers/image/types/types.go b/vendor/github.com/containers/image/types/types.go
index bae7319ac..176887480 100644
--- a/vendor/github.com/containers/image/types/types.go
+++ b/vendor/github.com/containers/image/types/types.go
@@ -73,11 +73,12 @@ type ImageReference interface {
 	// and each following element to be a prefix of the element preceding it.
 	PolicyConfigurationNamespaces() []string
 
-	// NewImage returns a types.Image for this reference, possibly specialized for this ImageTransport.
-	// The caller must call .Close() on the returned Image.
+	// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
+	// The caller must call .Close() on the returned ImageCloser.
 	// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
 	// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
-	NewImage(ctx *SystemContext) (Image, error)
+	// WARNING: This may not do the right thing for a manifest list, see image.FromSource for details.
+	NewImage(ctx *SystemContext) (ImageCloser, error)
 	// NewImageSource returns a types.ImageSource for this reference.
 	// The caller must call .Close() on the returned ImageSource.
 	NewImageSource(ctx *SystemContext) (ImageSource, error)
@@ -99,7 +100,7 @@ type BlobInfo struct {
 	MediaType   string
 }
 
-// ImageSource is a service, possibly remote (= slow), to download components of a single image.
+// ImageSource is a service, possibly remote (= slow), to download components of a single image or a named image set (manifest list).
 // This is primarily useful for copying images around; for examining their properties, Image (below)
 // is usually more useful.
 // Each ImageSource should eventually be closed by calling Close().
@@ -114,19 +115,17 @@ type ImageSource interface {
 	Close() error
 	// GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
 	// It may use a remote (= slow) service.
-	GetManifest() ([]byte, string, error)
-	// GetTargetManifest returns an image's manifest given a digest. This is mainly used to retrieve a single image's manifest
-	// out of a manifest list.
-	GetTargetManifest(digest digest.Digest) ([]byte, string, error)
+	// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve (when the primary manifest is a manifest list);
+	// this never happens if the primary manifest is not a manifest list (e.g. if the source never returns manifest lists).
+	GetManifest(instanceDigest *digest.Digest) ([]byte, string, error)
 	// GetBlob returns a stream for the specified blob, and the blob’s size (or -1 if unknown).
 	// The Digest field in BlobInfo is guaranteed to be provided, Size may be -1 and MediaType may be optionally provided.
 	GetBlob(BlobInfo) (io.ReadCloser, int64, error)
 	// GetSignatures returns the image's signatures.  It may use a remote (= slow) service.
-	GetSignatures(context.Context) ([][]byte, error)
-	// UpdatedLayerInfos returns either nil (meaning there are no updates), or updated values for the layer blobsums that are listed in the image's manifest.
-	// The Digest field is guaranteed to be provided; Size may be -1.
-	// WARNING: The list may contain duplicates, and they are semantically relevant.
-	UpdatedLayerInfos() []BlobInfo
+	// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
+	// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
+	// (e.g. if the source never returns manifest lists).
+	GetSignatures(ctx context.Context, instanceDigest *digest.Digest) ([][]byte, error)
 }
 
 // ImageDestination is a service, possibly remote (= slow), to store components of a single image.
@@ -200,25 +199,24 @@ func (e ManifestTypeRejectedError) Error() string {
 // Thus, an UnparsedImage can be created from an ImageSource simply by fetching blobs without interpreting them,
 // allowing cryptographic signature verification to happen first, before even fetching the manifest, or parsing anything else.
 // This also makes the UnparsedImage→Image conversion an explicitly visible step.
-// Each UnparsedImage should eventually be closed by calling Close().
+//
+// An UnparsedImage is a pair of (ImageSource, instance digest); it can represent either a manifest list or a single image instance.
+//
+// The UnparsedImage must not be used after the underlying ImageSource is Close()d.
 type UnparsedImage interface {
 	// Reference returns the reference used to set up this source, _as specified by the user_
 	// (not as the image itself, or its underlying storage, claims).  This can be used e.g. to determine which public keys are trusted for this image.
 	Reference() ImageReference
-	// Close removes resources associated with an initialized UnparsedImage, if any.
-	Close() error
 	// Manifest is like ImageSource.GetManifest, but the result is cached; it is OK to call this however often you need.
 	Manifest() ([]byte, string, error)
 	// Signatures is like ImageSource.GetSignatures, but the result is cached; it is OK to call this however often you need.
 	Signatures(ctx context.Context) ([][]byte, error)
-	// UpdatedLayerInfos returns either nil (meaning there are no updates), or updated values for the layer blobsums that are listed in the image's manifest.
-	// The Digest field is guaranteed to be provided, Size may be -1 and MediaType may be optionally provided.
-	// WARNING: The list may contain duplicates, and they are semantically relevant.
-	UpdatedLayerInfos() []BlobInfo
 }
 
 // Image is the primary API for inspecting properties of images.
-// Each Image should eventually be closed by calling Close().
+// An Image is based on a pair of (ImageSource, instance digest); it can represent either a manifest list or a single image instance.
+//
+// The Image must not be used after the underlying ImageSource is Close()d.
 type Image interface {
 	// Note that Reference may return nil in the return value of UpdatedImage!
 	UnparsedImage
@@ -250,13 +248,20 @@ type Image interface {
 	// Everything in options.InformationOnly should be provided, other fields should be set only if a modification is desired.
 	// This does not change the state of the original Image object.
 	UpdatedImage(options ManifestUpdateOptions) (Image, error)
-	// IsMultiImage returns true if the image's manifest is a list of images, false otherwise.
-	IsMultiImage() bool
 	// Size returns an approximation of the amount of disk space which is consumed by the image in its current
 	// location.  If the size is not known, -1 will be returned.
 	Size() (int64, error)
 }
 
+// ImageCloser is an Image with a Close() method which must be called by the user.
+// This is returned by ImageReference.NewImage, which transparently instantiates a types.ImageSource,
+// to ensure that the ImageSource is closed.
+type ImageCloser interface {
+	Image
+	// Close removes resources associated with an initialized ImageCloser.
+	Close() error
+}
+
 // ManifestUpdateOptions is a way to pass named optional arguments to Image.UpdatedManifest
 type ManifestUpdateOptions struct {
 	LayerInfos              []BlobInfo // Complete BlobInfos (size+digest+urls+annotations) which should replace the originals, in order (the root layer first, and then successive layered layers). BlobInfos' MediaType fields are ignored.
@@ -293,7 +298,7 @@ type DockerAuthConfig struct {
 	Password string
 }
 
-// SystemContext allows parametrizing access to implicitly-accessed resources,
+// SystemContext allows parameterizing access to implicitly-accessed resources,
 // like configuration files in /etc and users' login state in their home directory.
 // Various components can share the same field only if their semantics is exactly
 // the same; if in doubt, add a new field.
@@ -316,6 +321,10 @@ type SystemContext struct {
 	SystemRegistriesConfPath string
 	// If not "", overrides the default path for the authentication file
 	AuthFilePath string
+	// If not "", overrides the use of platform.GOARCH when choosing an image or verifying architecture match.
+	ArchitectureChoice string
+	// If not "", overrides the use of platform.GOOS when choosing an image or verifying OS match.
+	OSChoice string
 
 	// === OCI.Transport overrides ===
 	// If not "", a directory containing a CA certificate (ending with ".crt"),
@@ -324,6 +333,8 @@ type SystemContext struct {
 	OCICertPath string
 	// Allow downloading OCI image layers over HTTP, or HTTPS with failed TLS verification. Note that this does not affect other TLS connections.
 	OCIInsecureSkipTLSVerify bool
+	// If not "", use a shared directory for storing blobs rather than within OCI layouts
+	OCISharedBlobDirPath string
 
 	// === docker.Transport overrides ===
 	// If not "", a directory containing a CA certificate (ending with ".crt"),
@@ -332,8 +343,9 @@ type SystemContext struct {
 	DockerCertPath string
 	// If not "", overrides the system’s default path for a directory containing host[:port] subdirectories with the same structure as DockerCertPath above.
 	// Ignored if DockerCertPath is non-empty.
-	DockerPerHostCertDirPath    string
-	DockerInsecureSkipTLSVerify bool // Allow contacting docker registries over HTTP, or HTTPS with failed TLS verification. Note that this does not affect other TLS connections.
+	DockerPerHostCertDirPath string
+	// Allow contacting docker registries over HTTP, or HTTPS with failed TLS verification. Note that this does not affect other TLS connections.
+	DockerInsecureSkipTLSVerify bool
 	// if nil, the library tries to parse ~/.docker/config.json to retrieve credentials
 	DockerAuthConfig *DockerAuthConfig
 	// if not "", an User-Agent header is added to each request when contacting a registry.
@@ -344,6 +356,20 @@ type SystemContext struct {
 	DockerDisableV1Ping bool
 	// Directory to use for OSTree temporary files
 	OSTreeTmpDirPath string
+
+	// === docker/daemon.Transport overrides ===
+	// A directory containing a CA certificate (ending with ".crt"),
+	// a client certificate (ending with ".cert") and a client certificate key
+	// (ending with ".key") used when talking to a Docker daemon.
+	DockerDaemonCertPath string
+	// The hostname or IP to the Docker daemon. If not set (aka ""), client.DefaultDockerHost is assumed.
+	DockerDaemonHost string
+	// Used to skip TLS verification, off by default. To take effect DockerDaemonCertPath needs to be specified as well.
+	DockerDaemonInsecureSkipTLSVerify bool
+
+	// === dir.Transport overrides ===
+	// DirForceCompress compresses the image layers if set to true
+	DirForceCompress bool
 }
 
 // ProgressProperties is used to pass information from the copy code to a monitor which
diff --git a/vendor/github.com/containers/image/vendor.conf b/vendor/github.com/containers/image/vendor.conf
index 3263f5800..20b3f7e1a 100644
--- a/vendor/github.com/containers/image/vendor.conf
+++ b/vendor/github.com/containers/image/vendor.conf
@@ -1,5 +1,5 @@
 github.com/sirupsen/logrus v1.0.0
-github.com/containers/storage 9e0c323a4b425557f8310ee8d125634acd39d8f5
+github.com/containers/storage 47536c89fcc545a87745e1a1573addc439409165
 github.com/davecgh/go-spew 346938d642f2ec3594ed81d874461961cd0faa76
 github.com/docker/docker-credential-helpers d68f9aeca33f5fd3f08eeae5e9d175edf4e731d1
 github.com/docker/distribution 5f6282db7d65e6d72ad7c2cc66310724a57be716
@@ -22,7 +22,7 @@ github.com/pborman/uuid 1b00554d822231195d1babd97ff4a781231955c9
 github.com/pkg/errors 248dadf4e9068a0b3e79f02ed0a610d935de5302
 github.com/pmezard/go-difflib 792786c7400a136282c1664665ae0a8db921c6c2
 github.com/stretchr/testify 4d4bfba8f1d1027c4fdbe371823030df51419987
-github.com/vbatts/tar-split bd4c5d64c3e9297f410025a3b1bd0c58f659e721
+github.com/vbatts/tar-split v0.10.2
 golang.org/x/crypto 453249f01cfeb54c3d549ddb75ff152ca243f9d8
 golang.org/x/net 6b27048ae5e6ad1ef927e72e437531493de612fe
 golang.org/x/sys 43e60d72a8e2bd92ee98319ba9a384a0e9837c08
@@ -36,5 +36,4 @@ github.com/tchap/go-patricia v2.2.6
 github.com/opencontainers/selinux ba1aefe8057f1d0cfb8e88d0ec1dc85925ef987d
 github.com/BurntSushi/toml b26d9c308763d68093482582cea63d69be07a0f0
 github.com/ostreedev/ostree-go aeb02c6b6aa2889db3ef62f7855650755befd460
-github.com/gogo/protobuf fcdc5011193ff531a548e9b0301828d5a5b97fd8
-github.com/pquerna/ffjson master
+github.com/gogo/protobuf/proto fcdc5011193ff531a548e9b0301828d5a5b97fd8
-- 
cgit v1.2.3-54-g00ecf