Update 3.1 => 4.0: enable_namespaces error
Created by: koorchik
sudo -u gitlab -H bundle exec rake gitlab:enable_namespaces RAILS_ENV=production
Usernames for users:rake aborted!
Validation failed: Username only letters, digits & '_' '-' '.' allowed. Letter should be first
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/validations.rb:56:in `save!'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/attribute_methods/dirty.rb:33:in `save!'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:264:in `block in save!'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:313:in `block in with_transaction_returning_status'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:208:in `transaction'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:311:in `with_transaction_returning_status'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:264:in `save!'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/persistence.rb:228:in `block in update_attributes!'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:313:in `block in with_transaction_returning_status'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:208:in `transaction'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:311:in `with_transaction_returning_status'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/persistence.rb:226:in `update_attributes!'
/home/gitlab/gitlab/lib/tasks/gitlab/enable_namespaces.rake:11:in `block (4 levels) in <top (required)>'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/transactions.rb:208:in `transaction'
/home/gitlab/gitlab/lib/tasks/gitlab/enable_namespaces.rake:9:in `block (3 levels) in <top (required)>'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/relation/batches.rb:21:in `block (2 levels) in find_each'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/relation/batches.rb:21:in `each'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/relation/batches.rb:21:in `block in find_each'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/relation/batches.rb:72:in `find_in_batches'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/relation/batches.rb:20:in `find_each'
/home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/querying.rb:8:in `find_each'
/home/gitlab/gitlab/lib/tasks/gitlab/enable_namespaces.rake:6:in `block (2 levels) in <top (required)>'
Tasks: TOP => gitlab:enable_namespaces
(See full trace by running task with --trace)