diff --git a/cobraadaptor/adaptor.go b/cobraadaptor/adaptor.go
index 55538dd98f..a87c75206a 100644
--- a/cobraadaptor/adaptor.go
+++ b/cobraadaptor/adaptor.go
@@ -6,6 +6,7 @@ import (
 	"github.com/docker/docker/api/client/image"
 	"github.com/docker/docker/api/client/network"
 	"github.com/docker/docker/api/client/node"
+	"github.com/docker/docker/api/client/plugin"
 	"github.com/docker/docker/api/client/registry"
 	"github.com/docker/docker/api/client/service"
 	"github.com/docker/docker/api/client/swarm"
@@ -81,6 +82,7 @@ func NewCobraAdaptor(clientFlags *cliflags.ClientFlags) CobraAdaptor {
 		system.NewVersionCommand(dockerCli),
 		volume.NewVolumeCommand(dockerCli),
 	)
+	plugin.NewPluginCommand(rootCmd, dockerCli)
 
 	rootCmd.PersistentFlags().BoolP("help", "h", false, "Print usage")
 	rootCmd.PersistentFlags().MarkShorthandDeprecated("help", "please use --help")
diff --git a/error.go b/error.go
new file mode 100644
index 0000000000..902d1b6e49
--- /dev/null
+++ b/error.go
@@ -0,0 +1,21 @@
+package cli
+
+import "bytes"
+
+// Errors is a list of errors.
+// Useful in a loop if you don't want to return the error right away and you want to display after the loop,
+// all the errors that happened during the loop.
+type Errors []error
+
+func (errs Errors) Error() string {
+	if len(errs) < 1 {
+		return ""
+	}
+	var buf bytes.Buffer
+	buf.WriteString(errs[0].Error())
+	for _, err := range errs[1:] {
+		buf.WriteString(", ")
+		buf.WriteString(err.Error())
+	}
+	return buf.String()
+}