Update distribution vendor for manifest builder change

Manifest builder allows setting the configuration type
for the manifest being build. Additionally the default
type has been renamed to reflect it is an image type.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>

vendor.conf

@@ -44,7 +44,7 @@ github.com/boltdb/bolt fff57c100f4dea1905678da7e90d92429dff2904
 github.com/miekg/dns 75e6e86cc601825c5dbcd4e0c209eab180997cd7
 
 # get graph and distribution packages
-github.com/docker/distribution a6bf3dd064f15598166bca2d66a9962a9555139e
+github.com/docker/distribution 28602af35aceda2f8d571bad7ca37a54cf0250bc
 github.com/vbatts/tar-split v0.10.1
 
 # get go-zfs packages

vendor/github.com/docker/distribution/digest/digest.go

@@ -80,6 +80,11 @@ func FromBytes(p []byte) Digest {
 	return Canonical.FromBytes(p)
 }
 
+// FromString digests the input and returns a Digest.
+func FromString(s string) Digest {
+	return Canonical.FromString(s)
+}
+
 // Validate checks that the contents of d is a valid digest, returning an
 // error if not.
 func (d Digest) Validate() error {

vendor/github.com/docker/distribution/digest/digester.go

@@ -129,6 +129,11 @@ func (a Algorithm) FromBytes(p []byte) Digest {
 	return digester.Digest()
 }
 
+// FromString digests the string input and returns a Digest.
+func (a Algorithm) FromString(s string) Digest {
+	return a.FromBytes([]byte(s))
+}
+
 // TODO(stevvooe): Allow resolution of verifiers using the digest type and
 // this registration system.
 

vendor/github.com/docker/distribution/manifest/schema1/config_builder.go

@@ -240,8 +240,13 @@ func (mb *configManifestBuilder) emptyTar(ctx context.Context) (digest.Digest, e
 
 // AppendReference adds a reference to the current ManifestBuilder
 func (mb *configManifestBuilder) AppendReference(d distribution.Describable) error {
-	// todo: verification here?
-	mb.descriptors = append(mb.descriptors, d.Descriptor())
+	descriptor := d.Descriptor()
+
+	if err := descriptor.Digest.Validate(); err != nil {
+		return err
+	}
+
+	mb.descriptors = append(mb.descriptors, descriptor)
 	return nil
 }
 

vendor/github.com/docker/distribution/manifest/schema2/builder.go

@@ -11,21 +11,25 @@ type builder struct {
 	// bs is a BlobService used to publish the configuration blob.
 	bs distribution.BlobService
 
+	// configMediaType is media type used to describe configuration
+	configMediaType string
+
 	// configJSON references
 	configJSON []byte
 
-	// layers is a list of layer descriptors that gets built by successive
-	// calls to AppendReference.
-	layers []distribution.Descriptor
+	// dependencies is a list of descriptors that gets built by successive
+	// calls to AppendReference. In case of image configuration these are layers.
+	dependencies []distribution.Descriptor
 }
 
 // NewManifestBuilder is used to build new manifests for the current schema
 // version. It takes a BlobService so it can publish the configuration blob
 // as part of the Build process.
-func NewManifestBuilder(bs distribution.BlobService, configJSON []byte) distribution.ManifestBuilder {
+func NewManifestBuilder(bs distribution.BlobService, configMediaType string, configJSON []byte) distribution.ManifestBuilder {
 	mb := &builder{
-		bs:         bs,
-		configJSON: make([]byte, len(configJSON)),
+		bs:              bs,
+		configMediaType: configMediaType,
+		configJSON:      make([]byte, len(configJSON)),
 	}
 	copy(mb.configJSON, configJSON)
 
@@ -36,9 +40,9 @@ func NewManifestBuilder(bs distribution.BlobService, configJSON []byte) distribu
 func (mb *builder) Build(ctx context.Context) (distribution.Manifest, error) {
 	m := Manifest{
 		Versioned: SchemaVersion,
-		Layers:    make([]distribution.Descriptor, len(mb.layers)),
+		Layers:    make([]distribution.Descriptor, len(mb.dependencies)),
 	}
-	copy(m.Layers, mb.layers)
+	copy(m.Layers, mb.dependencies)
 
 	configDigest := digest.FromBytes(mb.configJSON)
 
@@ -48,7 +52,7 @@ func (mb *builder) Build(ctx context.Context) (distribution.Manifest, error) {
 	case nil:
 		// Override MediaType, since Put always replaces the specified media
 		// type with application/octet-stream in the descriptor it returns.
-		m.Config.MediaType = MediaTypeConfig
+		m.Config.MediaType = mb.configMediaType
 		return FromStruct(m)
 	case distribution.ErrBlobUnknown:
 		// nop
@@ -57,10 +61,10 @@ func (mb *builder) Build(ctx context.Context) (distribution.Manifest, error) {
 	}
 
 	// Add config to the blob store
-	m.Config, err = mb.bs.Put(ctx, MediaTypeConfig, mb.configJSON)
+	m.Config, err = mb.bs.Put(ctx, mb.configMediaType, mb.configJSON)
 	// Override MediaType, since Put always replaces the specified media
 	// type with application/octet-stream in the descriptor it returns.
-	m.Config.MediaType = MediaTypeConfig
+	m.Config.MediaType = mb.configMediaType
 	if err != nil {
 		return nil, err
 	}
@@ -70,11 +74,11 @@ func (mb *builder) Build(ctx context.Context) (distribution.Manifest, error) {
 
 // AppendReference adds a reference to the current ManifestBuilder.
 func (mb *builder) AppendReference(d distribution.Describable) error {
-	mb.layers = append(mb.layers, d.Descriptor())
+	mb.dependencies = append(mb.dependencies, d.Descriptor())
 	return nil
 }
 
 // References returns the current references added to this builder.
 func (mb *builder) References() []distribution.Descriptor {
-	return mb.layers
+	return mb.dependencies
 }

vendor/github.com/docker/distribution/manifest/schema2/manifest.go

@@ -14,8 +14,8 @@ const (
 	// MediaTypeManifest specifies the mediaType for the current version.
 	MediaTypeManifest = "application/vnd.docker.distribution.manifest.v2+json"
 
-	// MediaTypeConfig specifies the mediaType for the image configuration.
-	MediaTypeConfig = "application/vnd.docker.container.image.v1+json"
+	// MediaTypeImageConfig specifies the mediaType for the image configuration.
+	MediaTypeImageConfig = "application/vnd.docker.container.image.v1+json"
 
 	// MediaTypePluginConfig specifies the mediaType for plugin configuration.
 	MediaTypePluginConfig = "application/vnd.docker.plugin.v1+json"
@@ -27,6 +27,10 @@ const (
 	// MediaTypeForeignLayer is the mediaType used for layers that must be
 	// downloaded from foreign URLs.
 	MediaTypeForeignLayer = "application/vnd.docker.image.rootfs.foreign.diff.tar.gzip"
+
+	// MediaTypeUncompressedLayer is the mediaType used for layers which
+	// are not compressed.
+	MediaTypeUncompressedLayer = "application/vnd.docker.image.rootfs.diff.tar"
 )
 
 var (

vendor/github.com/docker/distribution/registry/client/auth/session.go

@@ -155,7 +155,9 @@ type RepositoryScope struct {
 // using the scope grammar
 func (rs RepositoryScope) String() string {
 	repoType := "repository"
-	if rs.Class != "" {
+	// Keep existing format for image class to maintain backwards compatibility
+	// with authorization servers which do not support the expanded grammar.
+	if rs.Class != "" && rs.Class != "image" {
 		repoType = fmt.Sprintf("%s(%s)", repoType, rs.Class)
 	}
 	return fmt.Sprintf("%s:%s:%s", repoType, rs.Repository, strings.Join(rs.Actions, ","))