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/utils/container/container.go

@@ -0,0 +1,31 @@
+// 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 container
+
+import (
+	info "github.com/google/cadvisor/info/v1"
+)
+
+// Returns the alias a container is known by within a certain namespace,
+// if available. Otherwise returns the absolute name of the container.
+func GetPreferredName(ref info.ContainerReference) string {
+	var containerName string
+	if len(ref.Aliases) > 0 {
+		containerName = ref.Aliases[0]
+	} else {
+		containerName = ref.Name
+	}
+	return containerName
+}