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/rackspace/gophercloud/results.go

@@ -0,0 +1,153 @@
+package gophercloud
+
+import (
+	"encoding/json"
+	"net/http"
+	"reflect"
+
+	"github.com/mitchellh/mapstructure"
+)
+
+/*
+Result is an internal type to be used by individual resource packages, but its
+methods will be available on a wide variety of user-facing embedding types.
+
+It acts as a base struct that other Result types, returned from request
+functions, can embed for convenience. All Results capture basic information
+from the HTTP transaction that was performed, including the response body,
+HTTP headers, and any errors that happened.
+
+Generally, each Result type will have an Extract method that can be used to
+further interpret the result's payload in a specific context. Extensions or
+providers can then provide additional extraction functions to pull out
+provider- or extension-specific information as well.
+*/
+type Result struct {
+	// Body is the payload of the HTTP response from the server. In most cases,
+	// this will be the deserialized JSON structure.
+	Body interface{}
+
+	// Header contains the HTTP header structure from the original response.
+	Header http.Header
+
+	// Err is an error that occurred during the operation. It's deferred until
+	// extraction to make it easier to chain the Extract call.
+	Err error
+}
+
+// PrettyPrintJSON creates a string containing the full response body as
+// pretty-printed JSON. It's useful for capturing test fixtures and for
+// debugging extraction bugs. If you include its output in an issue related to
+// a buggy extraction function, we will all love you forever.
+func (r Result) PrettyPrintJSON() string {
+	pretty, err := json.MarshalIndent(r.Body, "", "  ")
+	if err != nil {
+		panic(err.Error())
+	}
+	return string(pretty)
+}
+
+// ErrResult is an internal type to be used by individual resource packages, but
+// its methods will be available on a wide variety of user-facing embedding
+// types.
+//
+// It represents results that only contain a potential error and
+// nothing else. Usually, if the operation executed successfully, the Err field
+// will be nil; otherwise it will be stocked with a relevant error. Use the
+// ExtractErr method
+// to cleanly pull it out.
+type ErrResult struct {
+	Result
+}
+
+// ExtractErr is a function that extracts error information, or nil, from a result.
+func (r ErrResult) ExtractErr() error {
+	return r.Err
+}
+
+/*
+HeaderResult is an internal type to be used by individual resource packages, but
+its methods will be available on a wide variety of user-facing embedding types.
+
+It represents a result that only contains an error (possibly nil) and an
+http.Header. This is used, for example, by the objectstorage packages in
+openstack, because most of the operations don't return response bodies, but do
+have relevant information in headers.
+*/
+type HeaderResult struct {
+	Result
+}
+
+// ExtractHeader will return the http.Header and error from the HeaderResult.
+//
+//   header, err := objects.Create(client, "my_container", objects.CreateOpts{}).ExtractHeader()
+func (hr HeaderResult) ExtractHeader() (http.Header, error) {
+	return hr.Header, hr.Err
+}
+
+// DecodeHeader is a function that decodes a header (usually of type map[string]interface{}) to
+// another type (usually a struct). This function is used by the objectstorage package to give
+// users access to response headers without having to query a map. A DecodeHookFunction is used,
+// because OpenStack-based clients return header values as arrays (Go slices).
+func DecodeHeader(from, to interface{}) error {
+	config := &mapstructure.DecoderConfig{
+		DecodeHook: func(from, to reflect.Kind, data interface{}) (interface{}, error) {
+			if from == reflect.Slice {
+				return data.([]string)[0], nil
+			}
+			return data, nil
+		},
+		Result:           to,
+		WeaklyTypedInput: true,
+	}
+	decoder, err := mapstructure.NewDecoder(config)
+	if err != nil {
+		return err
+	}
+	if err := decoder.Decode(from); err != nil {
+		return err
+	}
+	return nil
+}
+
+// RFC3339Milli describes a common time format used by some API responses.
+const RFC3339Milli = "2006-01-02T15:04:05.999999Z"
+
+// Time format used in cloud orchestration
+const STACK_TIME_FMT = "2006-01-02T15:04:05"
+
+/*
+Link is an internal type to be used in packages of collection resources that are
+paginated in a certain way.
+
+It's a response substructure common to many paginated collection results that is
+used to point to related pages. Usually, the one we care about is the one with
+Rel field set to "next".
+*/
+type Link struct {
+	Href string `mapstructure:"href"`
+	Rel  string `mapstructure:"rel"`
+}
+
+/*
+ExtractNextURL is an internal function useful for packages of collection
+resources that are paginated in a certain way.
+
+It attempts attempts to extract the "next" URL from slice of Link structs, or
+"" if no such URL is present.
+*/
+func ExtractNextURL(links []Link) (string, error) {
+	var url string
+
+	for _, l := range links {
+		if l.Rel == "next" {
+			url = l.Href
+		}
+	}
+
+	if url == "" {
+		return "", nil
+	}
+
+	return url, nil
+}