Move deps from _workspace/ to vendor/

godep restore
pushd $GOPATH/src/github.com/appc/spec
git co master
popd
go get go4.org/errorutil
rm -rf Godeps
godep save ./...
git add vendor
git add -f $(git ls-files --other vendor/)
git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS

vendor/github.com/docker/engine-api/client/image_create.go

@@ -0,0 +1,34 @@
+package client
+
+import (
+	"io"
+	"net/url"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/engine-api/types"
+	"github.com/docker/engine-api/types/reference"
+)
+
+// ImageCreate creates a new image based in the parent options.
+// It returns the JSON content in the response body.
+func (cli *Client) ImageCreate(ctx context.Context, parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error) {
+	repository, tag, err := reference.Parse(parentReference)
+	if err != nil {
+		return nil, err
+	}
+
+	query := url.Values{}
+	query.Set("fromImage", repository)
+	query.Set("tag", tag)
+	resp, err := cli.tryImageCreate(ctx, query, options.RegistryAuth)
+	if err != nil {
+		return nil, err
+	}
+	return resp.body, nil
+}
+
+func (cli *Client) tryImageCreate(ctx context.Context, query url.Values, registryAuth string) (*serverResponse, error) {
+	headers := map[string][]string{"X-Registry-Auth": {registryAuth}}
+	return cli.post(ctx, "/images/create", query, nil, headers)
+}