add vendoring with go dep

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

@@ -0,0 +1,69 @@
+/*
+Copyright (c) 2014-2015 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 version
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"log"
+
+	"github.com/vmware/govmomi/govc/cli"
+	"github.com/vmware/govmomi/govc/flags"
+)
+
+var gitVersion string
+
+type version struct {
+	*flags.EmptyFlag
+
+	require string
+}
+
+func init() {
+	// Check that git tag in the release builds match the hardcoded version
+	if gitVersion != "" && gitVersion[1:] != flags.Version {
+		log.Panicf("version mismatch: git=%s vs govc=%s", gitVersion[1:], flags.Version)
+	}
+
+	cli.Register("version", &version{})
+}
+
+func (cmd *version) Register(ctx context.Context, f *flag.FlagSet) {
+	f.StringVar(&cmd.require, "require", "", "Require govc version >= this value")
+}
+
+func (cmd *version) Run(ctx context.Context, f *flag.FlagSet) error {
+	if cmd.require != "" {
+		v, err := flags.ParseVersion(flags.Version)
+		if err != nil {
+			panic(err)
+		}
+
+		rv, err := flags.ParseVersion(cmd.require)
+		if err != nil {
+			return fmt.Errorf("failed to parse required version '%s': %s", cmd.require, err)
+		}
+
+		if !rv.Lte(v) {
+			return fmt.Errorf("version %s or higher is required, this is version %s", cmd.require, flags.Version)
+		}
+	}
+
+	fmt.Printf("govc %s\n", flags.Version)
+	return nil
+}