add vendoring with go dep

vendor/github.com/vmware/govmomi/govc/flags/folder.go

@@ -0,0 +1,131 @@
+/*
+Copyright (c) 2014-2016 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 flags
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/vmware/govmomi/object"
+)
+
+type FolderFlag struct {
+	common
+
+	*DatacenterFlag
+
+	name   string
+	folder *object.Folder
+}
+
+var folderFlagKey = flagKey("folder")
+
+func NewFolderFlag(ctx context.Context) (*FolderFlag, context.Context) {
+	if v := ctx.Value(folderFlagKey); v != nil {
+		return v.(*FolderFlag), ctx
+	}
+
+	v := &FolderFlag{}
+	v.DatacenterFlag, ctx = NewDatacenterFlag(ctx)
+	ctx = context.WithValue(ctx, folderFlagKey, v)
+	return v, ctx
+}
+
+func (flag *FolderFlag) Register(ctx context.Context, f *flag.FlagSet) {
+	flag.RegisterOnce(func() {
+		flag.DatacenterFlag.Register(ctx, f)
+
+		env := "GOVC_FOLDER"
+		value := os.Getenv(env)
+		usage := fmt.Sprintf("Inventory folder [%s]", env)
+		f.StringVar(&flag.name, "folder", value, usage)
+	})
+}
+
+func (flag *FolderFlag) Process(ctx context.Context) error {
+	return flag.ProcessOnce(func() error {
+		if err := flag.DatacenterFlag.Process(ctx); err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+func (flag *FolderFlag) Folder() (*object.Folder, error) {
+	if flag.folder != nil {
+		return flag.folder, nil
+	}
+
+	finder, err := flag.Finder()
+	if err != nil {
+		return nil, err
+	}
+
+	if flag.folder, err = finder.FolderOrDefault(context.TODO(), flag.name); err != nil {
+		return nil, err
+	}
+
+	return flag.folder, nil
+}
+
+func (flag *FolderFlag) FolderOrDefault(kind string) (*object.Folder, error) {
+	if flag.folder != nil {
+		return flag.folder, nil
+	}
+
+	if flag.name != "" {
+		return flag.Folder()
+	}
+
+	// RootFolder, no dc required
+	if kind == "/" {
+		client, err := flag.Client()
+		if err != nil {
+			return nil, err
+		}
+
+		flag.folder = object.NewRootFolder(client)
+		return flag.folder, nil
+	}
+
+	dc, err := flag.Datacenter()
+	if err != nil {
+		return nil, err
+	}
+
+	folders, err := dc.Folders(context.TODO())
+	if err != nil {
+		return nil, err
+	}
+
+	switch kind {
+	case "vm":
+		flag.folder = folders.VmFolder
+	case "host":
+		flag.folder = folders.HostFolder
+	case "datastore":
+		flag.folder = folders.DatastoreFolder
+	case "network":
+		flag.folder = folders.NetworkFolder
+	default:
+		panic(kind)
+	}
+
+	return flag.folder, nil
+}