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/pagination/linked.go

@@ -0,0 +1,67 @@
+package pagination
+
+import "fmt"
+
+// LinkedPageBase may be embedded to implement a page that provides navigational "Next" and "Previous" links within its result.
+type LinkedPageBase struct {
+	PageResult
+
+	// LinkPath lists the keys that should be traversed within a response to arrive at the "next" pointer.
+	// If any link along the path is missing, an empty URL will be returned.
+	// If any link results in an unexpected value type, an error will be returned.
+	// When left as "nil", []string{"links", "next"} will be used as a default.
+	LinkPath []string
+}
+
+// NextPageURL extracts the pagination structure from a JSON response and returns the "next" link, if one is present.
+// It assumes that the links are available in a "links" element of the top-level response object.
+// If this is not the case, override NextPageURL on your result type.
+func (current LinkedPageBase) NextPageURL() (string, error) {
+	var path []string
+	var key string
+
+	if current.LinkPath == nil {
+		path = []string{"links", "next"}
+	} else {
+		path = current.LinkPath
+	}
+
+	submap, ok := current.Body.(map[string]interface{})
+	if !ok {
+		return "", fmt.Errorf("Expected an object, but was %#v", current.Body)
+	}
+
+	for {
+		key, path = path[0], path[1:len(path)]
+
+		value, ok := submap[key]
+		if !ok {
+			return "", nil
+		}
+
+		if len(path) > 0 {
+			submap, ok = value.(map[string]interface{})
+			if !ok {
+				return "", fmt.Errorf("Expected an object, but was %#v", value)
+			}
+		} else {
+			if value == nil {
+				// Actual null element.
+				return "", nil
+			}
+
+			url, ok := value.(string)
+			if !ok {
+				return "", fmt.Errorf("Expected a string, but was %#v", value)
+			}
+
+			return url, nil
+		}
+	}
+}
+
+// GetBody returns the linked page's body. This method is needed to satisfy the
+// Page interface.
+func (current LinkedPageBase) GetBody() interface{} {
+	return current.Body
+}