Vendor main dependencies.

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

@@ -0,0 +1,30 @@
+package client
+
+import (
+	"net/url"
+	"strconv"
+
+	"github.com/docker/engine-api/types"
+	"github.com/docker/engine-api/types/swarm"
+	"golang.org/x/net/context"
+)
+
+// ServiceUpdate updates a Service.
+func (cli *Client) ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) error {
+	var (
+		headers map[string][]string
+		query   = url.Values{}
+	)
+
+	if options.EncodedRegistryAuth != "" {
+		headers = map[string][]string{
+			"X-Registry-Auth": []string{options.EncodedRegistryAuth},
+		}
+	}
+
+	query.Set("version", strconv.FormatUint(version.Index, 10))
+
+	resp, err := cli.post(ctx, "/services/"+serviceID+"/update", query, service, headers)
+	ensureReaderClosed(resp)
+	return err
+}