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/docker/engine-api/client/container_rename.go

@@ -0,0 +1,16 @@
+package client
+
+import (
+	"net/url"
+
+	"golang.org/x/net/context"
+)
+
+// ContainerRename changes the name of a given container.
+func (cli *Client) ContainerRename(ctx context.Context, containerID, newContainerName string) error {
+	query := url.Values{}
+	query.Set("name", newContainerName)
+	resp, err := cli.post(ctx, "/containers/"+containerID+"/rename", query, nil, nil)
+	ensureReaderClosed(resp)
+	return err
+}