add vendoring with go dep

vendor/github.com/vmware/govmomi/govc/env/command.go

@@ -0,0 +1,103 @@
+/*
+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 env
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"io"
+	"strings"
+
+	"github.com/vmware/govmomi/govc/cli"
+	"github.com/vmware/govmomi/govc/flags"
+)
+
+type env struct {
+	*flags.OutputFlag
+	*flags.ClientFlag
+
+	extra bool
+}
+
+func init() {
+	cli.Register("env", &env{})
+}
+
+func (cmd *env) Register(ctx context.Context, f *flag.FlagSet) {
+	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
+	cmd.OutputFlag.Register(ctx, f)
+
+	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
+	cmd.ClientFlag.Register(ctx, f)
+
+	f.BoolVar(&cmd.extra, "x", false, "Output variables for each GOVC_URL component")
+}
+
+func (cmd *env) Process(ctx context.Context) error {
+	if err := cmd.OutputFlag.Process(ctx); err != nil {
+		return err
+	}
+	if err := cmd.ClientFlag.Process(ctx); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (cmd *env) Description() string {
+	return `Output the environment variables for this client.
+
+If credentials are included in the url, they are split into separate variables.
+Useful as bash scripting helper to parse GOVC_URL.`
+}
+
+func (cmd *env) Run(ctx context.Context, f *flag.FlagSet) error {
+	env := envResult(cmd.ClientFlag.Environ(cmd.extra))
+
+	if f.NArg() > 1 {
+		return flag.ErrHelp
+	}
+
+	// Option to just output the value, example use:
+	// password=$(govc env GOVC_PASSWORD)
+	if f.NArg() == 1 {
+		var output []string
+
+		prefix := fmt.Sprintf("%s=", f.Arg(0))
+
+		for _, e := range env {
+			if strings.HasPrefix(e, prefix) {
+				output = append(output, e[len(prefix):])
+				break
+			}
+		}
+
+		return cmd.WriteResult(envResult(output))
+	}
+
+	return cmd.WriteResult(env)
+}
+
+type envResult []string
+
+func (r envResult) Write(w io.Writer) error {
+	for _, e := range r {
+		fmt.Println(e)
+	}
+
+	return nil
+}