Move to vendor

Signed-off-by: Olivier Gambier <olivier@docker.com>

vendor/github.com/bugsnag/bugsnag-go/appengine.go

@@ -0,0 +1,76 @@
+// +build appengine
+
+package bugsnag
+
+import (
+	"appengine"
+	"appengine/urlfetch"
+	"appengine/user"
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func defaultPanicHandler() {}
+
+func init() {
+	OnBeforeNotify(appengineMiddleware)
+}
+
+func appengineMiddleware(event *Event, config *Configuration) (err error) {
+	var c appengine.Context
+
+	for _, datum := range event.RawData {
+		if r, ok := datum.(*http.Request); ok {
+			c = appengine.NewContext(r)
+			break
+		} else if context, ok := datum.(appengine.Context); ok {
+			c = context
+			break
+		}
+	}
+
+	if c == nil {
+		return fmt.Errorf("No appengine context given")
+	}
+
+	// You can only use the builtin http library if you pay for appengine,
+	// so we use the appengine urlfetch service instead.
+	config.Transport = &urlfetch.Transport{
+		Context: c,
+	}
+
+	// Anything written to stderr/stdout is discarded, so lets log to the request.
+	config.Logger = log.New(appengineWriter{c}, config.Logger.Prefix(), config.Logger.Flags())
+
+	// Set the releaseStage appropriately
+	if config.ReleaseStage == "" {
+		if appengine.IsDevAppServer() {
+			config.ReleaseStage = "development"
+		} else {
+			config.ReleaseStage = "production"
+		}
+	}
+
+	if event.User == nil {
+		u := user.Current(c)
+		if u != nil {
+			event.User = &User{
+				Id:    u.ID,
+				Email: u.Email,
+			}
+		}
+	}
+
+	return nil
+}
+
+// Convert an appengine.Context into an io.Writer so we can create a log.Logger.
+type appengineWriter struct {
+	appengine.Context
+}
+
+func (c appengineWriter) Write(b []byte) (int, error) {
+	c.Warningf(string(b))
+	return len(b), nil
+}