--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/google.golang.org/appengine/internal/identity_flex.go	Sun Feb 16 18:54:01 2020 +0100
@@ -0,0 +1,11 @@
+// Copyright 2018 Google LLC. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+// +build appenginevm
+
+package internal
+
+func init() {
+	appengineFlex = true
+}