gitlab upgrade

7.14.3      https://gitlab.com/gitlab-org/gitlab-ce/blob/11-8-stable/doc/update/7.14-to-8.0.md
8.0.0
8.17.8      https://gitlab.com/gitlab-org/gitlab-ce/blob/11-8-stable/doc/update/8.17-to-9.0.md
9.0.0
9.5.10      https://gitlab.com/gitlab-org/gitlab-ce/blob/11-8-stable/doc/update/9.5-to-10.0.md
10.0.0
10.8.7      https://gitlab.com/gitlab-org/gitlab-ce/blob/11-8-stable/doc/update/10.8-to-11.0.md
11.0.0
11.10.4

https://gitlab.com/gitlab-org/gitlab-ce/blob/11-11-stable/doc/update/mysql_to_postgresql.md
https://gitlab.com/gitlab-org/gitlab-ce/blob/11-11-stable/doc/update/restore_after_failure.md

diff --git a/lib/gitlab/o_auth/auth_hash.rb b/lib/gitlab/o_auth/auth_hash.rb
index 9b8e783..95984cf 100644
--- a/lib/gitlab/o_auth/auth_hash.rb
+++ b/lib/gitlab/o_auth/auth_hash.rb
@@ -49,6 +49,10 @@ module Gitlab
           username  = get_info(:nickname) || get_info(:username)
           email     = get_info(:email)
           
+          email ||= "#{@uid.match(/uid=([^,]+),/)[1] }@example.com"
+
           username ||= generate_username(email)             if email
           email    ||= generate_temporarily_email(username) if username