info.rake unable to detect Gitolite version

Created by: toannc

I installed gitlab via https://github.com/gitlabhq/gitlabhq/blob/4-0-stable/doc/install/installation.md it worked fine

But to step I check info with command : sudo -u gitlab -H bundle exec rake gitlab:env:info RAILS_ENV=production

Gitolite information
Version:    unknown
Admin URI:  git@localhost:gitolite-admin
Admin Key:  gitlab
Repositories:   /home/git/repositories/
Hooks:      /home/git/.gitolite/hooks/
Git:        /usr/bin/git