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/errors.go

@@ -0,0 +1,94 @@
+package client
+
+import (
+	"errors"
+	"fmt"
+)
+
+// ErrConnectionFailed is an error raised when the connection between the client and the server failed.
+var ErrConnectionFailed = errors.New("Cannot connect to the Docker daemon. Is the docker daemon running on this host?")
+
+// imageNotFoundError implements an error returned when an image is not in the docker host.
+type imageNotFoundError struct {
+	imageID string
+}
+
+// Error returns a string representation of an imageNotFoundError
+func (i imageNotFoundError) Error() string {
+	return fmt.Sprintf("Error: No such image: %s", i.imageID)
+}
+
+// IsErrImageNotFound returns true if the error is caused
+// when an image is not found in the docker host.
+func IsErrImageNotFound(err error) bool {
+	_, ok := err.(imageNotFoundError)
+	return ok
+}
+
+// containerNotFoundError implements an error returned when a container is not in the docker host.
+type containerNotFoundError struct {
+	containerID string
+}
+
+// Error returns a string representation of a containerNotFoundError
+func (e containerNotFoundError) Error() string {
+	return fmt.Sprintf("Error: No such container: %s", e.containerID)
+}
+
+// IsErrContainerNotFound returns true if the error is caused
+// when a container is not found in the docker host.
+func IsErrContainerNotFound(err error) bool {
+	_, ok := err.(containerNotFoundError)
+	return ok
+}
+
+// networkNotFoundError implements an error returned when a network is not in the docker host.
+type networkNotFoundError struct {
+	networkID string
+}
+
+// Error returns a string representation of a networkNotFoundError
+func (e networkNotFoundError) Error() string {
+	return fmt.Sprintf("Error: No such network: %s", e.networkID)
+}
+
+// IsErrNetworkNotFound returns true if the error is caused
+// when a network is not found in the docker host.
+func IsErrNetworkNotFound(err error) bool {
+	_, ok := err.(networkNotFoundError)
+	return ok
+}
+
+// volumeNotFoundError implements an error returned when a volume is not in the docker host.
+type volumeNotFoundError struct {
+	volumeID string
+}
+
+// Error returns a string representation of a networkNotFoundError
+func (e volumeNotFoundError) Error() string {
+	return fmt.Sprintf("Error: No such volume: %s", e.volumeID)
+}
+
+// IsErrVolumeNotFound returns true if the error is caused
+// when a volume is not found in the docker host.
+func IsErrVolumeNotFound(err error) bool {
+	_, ok := err.(volumeNotFoundError)
+	return ok
+}
+
+// unauthorizedError represents an authorization error in a remote registry.
+type unauthorizedError struct {
+	cause error
+}
+
+// Error returns a string representation of an unauthorizedError
+func (u unauthorizedError) Error() string {
+	return u.cause.Error()
+}
+
+// IsErrUnauthorized returns true if the error is caused
+// when a remote registry authentication fails
+func IsErrUnauthorized(err error) bool {
+	_, ok := err.(unauthorizedError)
+	return ok
+}