upgrade.rb stops working after v6.7.0
Created by: mcantsin
Seemingly upgrade.rb script stops working after v6.7.0 with the following output:
user@host:/home/git/gitlab$ sudo -u git -H ruby script/upgrade.rb
GitLab 6 upgrade tool
Your version is 6.7.0
/home/git/gitlab/lib/gitlab/upgrader.rb:45:in latest_version_raw': uninitialized constant Gitlab::Popen (NameError) from /home/git/gitlab/lib/gitlab/upgrader.rb:37:inlatest_version'
from /home/git/gitlab/lib/gitlab/upgrader.rb:8:in execute' from script/upgrade.rb:3:in'