Negotiate docker client API version (#248)

* deps

* Negotiate docker client API version

Gopkg.toml

@@ -1,30 +1,13 @@
-# Gopkg.toml example
-#
-# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#   name = "github.com/x/y"
-#   version = "2.4.0"
-#
-
 # Used for deep copy code generation and ko publish tests.
 required = [
   "k8s.io/code-generator/cmd/deepcopy-gen",
 ]
 
+[prune]
+  go-tests = true
+  unused-packages = true
+  non-go = true
+
 [[constraint]]
   name = "k8s.io/code-generator"
   version = "kubernetes-1.11.0"
@@ -45,6 +28,14 @@ required = [
   name = "k8s.io/kubernetes"
   version = "1.11.0"
 
+[[constraint]]
+  name = "github.com/docker/docker"
+  revision = "71cd53e4a197b303c6ba086bd584ffd67a884281"
+
+[[override]]
+  name = "github.com/docker/distribution"
+  revision = "83389a148052d74ac602f5f1d62f86ff2f3c4aa5"
+
 [[constraint]]
   name = "github.com/google/go-cmp"
   version = "0.2.0"
@@ -54,8 +45,3 @@ required = [
 [[constraint]]
   name = "github.com/spf13/cobra"
   revision = "615425954c3b0d9485a7027d4d451fdcdfdee84e"
-
-[prune]
-  go-tests = true
-  unused-packages = true
-  non-go = true

pkg/v1/daemon/image.go

@@ -73,7 +73,12 @@ type ImageSaver interface {
 
 // This is a variable so we can override in tests.
 var getImageSaver = func() (ImageSaver, error) {
-	return client.NewEnvClient()
+	cli, err := client.NewEnvClient()
+	if err != nil {
+		return nil, err
+	}
+	cli.NegotiateAPIVersion(context.Background())
+	return cli, nil
 }
 
 func saveImage(ref name.Reference) (io.ReadCloser, error) {

pkg/v1/daemon/write.go

@@ -36,7 +36,12 @@ type ImageLoader interface {
 
 // This is a variable so we can override in tests.
 var GetImageLoader = func() (ImageLoader, error) {
-	return client.NewEnvClient()
+	cli, err := client.NewEnvClient()
+	if err != nil {
+		return nil, err
+	}
+	cli.NegotiateAPIVersion(context.Background())
+	return cli, nil
 }
 
 // WriteOptions are used to expose optional information to guide or