Merge branch 'error-when-ldap-doesn-t-supply-an-email-address-14559' into 'master'

Allow temp-oauth-email as notification email

Closes #14559 

/cc @dblessing @rymai 

See merge request !3477

CHANGELOG

@@ -20,6 +20,7 @@ v 8.7.0 (unreleased)
 v 8.6.3 (unreleased)
   - Destroy related todos when an Issue/MR is deleted. !3376
   - Fix error 500 when target is nil on todo list. !3376
+  - Allow temporary email as notification email. !TBD
 v 8.6.3
   - Fix copying uploads when moving issue to another project

app/models/user.rb

@@ -408,6 +408,8 @@ class User < ActiveRecord::Base
   end
   def owns_notification_email
+    return if self.temp_oauth_email?
+
     self.errors.add(:notification_email, "is not an email you own") unless self.all_emails.include?(self.notification_email)
   end

spec/models/user_spec.rb

@@ -173,6 +173,13 @@ describe User, models: true do
           expect(user).to be_invalid
         end
       end
+
+      context 'owns_notification_email' do
+        it 'accepts temp_oauth_email emails' do
+          user = build(:user, email: "temp-email-for-oauth@example.com")
+          expect(user).to be_valid
+        end
+      end
     end
   end