add vendoring with go dep

vendor/github.com/vmware/govmomi/govc/role/usage.go

@@ -0,0 +1,87 @@
+/*
+Copyright (c) 2016 VMware, Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package role
+
+import (
+	"context"
+	"flag"
+
+	"github.com/vmware/govmomi/govc/cli"
+	"github.com/vmware/govmomi/govc/permissions"
+)
+
+type usage struct {
+	*permissions.PermissionFlag
+}
+
+func init() {
+	cli.Register("role.usage", &usage{})
+}
+
+func (cmd *usage) Register(ctx context.Context, f *flag.FlagSet) {
+	cmd.PermissionFlag, ctx = permissions.NewPermissionFlag(ctx)
+	cmd.PermissionFlag.Register(ctx, f)
+}
+
+func (cmd *usage) Process(ctx context.Context) error {
+	if err := cmd.PermissionFlag.Process(ctx); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (cmd *usage) Usage() string {
+	return "NAME..."
+}
+
+func (cmd *usage) Description() string {
+	return `List usage for role NAME.
+
+Examples:
+  govc role.usage
+  govc role.usage Admin`
+}
+
+func (cmd *usage) Run(ctx context.Context, f *flag.FlagSet) error {
+	m, err := cmd.Manager(ctx)
+	if err != nil {
+		return err
+	}
+
+	if f.NArg() == 0 {
+		cmd.List.Permissions, err = m.RetrieveAllPermissions(ctx)
+		if err != nil {
+			return err
+		}
+	} else {
+		for _, name := range f.Args() {
+			role, err := cmd.Role(name)
+			if err != nil {
+				return err
+			}
+
+			perms, err := m.RetrieveRolePermissions(ctx, role.RoleId)
+			if err != nil {
+				return err
+			}
+
+			cmd.List.Add(perms)
+		}
+	}
+
+	return cmd.WriteResult(&cmd.List)
+}