Move deps from _workspace/ to vendor/

godep restore
pushd $GOPATH/src/github.com/appc/spec
git co master
popd
go get go4.org/errorutil
rm -rf Godeps
godep save ./...
git add vendor
git add -f $(git ls-files --other vendor/)
git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS

vendor/github.com/google/cadvisor/container/rkt/client.go

@@ -0,0 +1,76 @@
+// Copyright 2016 Google 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 rkt
+
+import (
+	"fmt"
+	"net"
+	"sync"
+	"time"
+
+	rktapi "github.com/coreos/rkt/api/v1alpha"
+
+	"golang.org/x/net/context"
+	"google.golang.org/grpc"
+)
+
+const (
+	defaultRktAPIServiceAddr = "localhost:15441"
+	timeout                  = 2 * time.Second
+)
+
+var (
+	rktClient    rktapi.PublicAPIClient
+	rktClientErr error
+	once         sync.Once
+)
+
+func Client() (rktapi.PublicAPIClient, error) {
+	once.Do(func() {
+		conn, err := net.DialTimeout("tcp", defaultRktAPIServiceAddr, timeout)
+		if err != nil {
+			rktClient = nil
+			rktClientErr = fmt.Errorf("rkt: cannot tcp Dial rkt api service: %v", err)
+			return
+		}
+
+		conn.Close()
+
+		apisvcConn, err := grpc.Dial(defaultRktAPIServiceAddr, grpc.WithInsecure(), grpc.WithTimeout(timeout))
+		if err != nil {
+			rktClient = nil
+			rktClientErr = fmt.Errorf("rkt: cannot grpc Dial rkt api service: %v", err)
+			return
+		}
+
+		rktClient = rktapi.NewPublicAPIClient(apisvcConn)
+	})
+
+	return rktClient, rktClientErr
+}
+
+func RktPath() (string, error) {
+	client, err := Client()
+	if err != nil {
+		return "", err
+	}
+
+	resp, err := client.GetInfo(context.Background(), &rktapi.GetInfoRequest{})
+	if err != nil {
+		return "", fmt.Errorf("couldn't GetInfo from rkt api service: %v", err)
+	}
+
+	return resp.Info.GlobalFlags.Dir, nil
+}