From 2.6 to 3.0

1. Stop server & resque

sudo service gitlab stop

2. Update code & db

# Get latest code
sudo -u gitlab git pull origin stable

# Install libs
sudo -u gitlab bundle install --without development test postgres

# update db
sudo -u gitlab bundle exec rake db:migrate RAILS_ENV=production

# !!! Config should be replaced with a new one. Check it after replace
cp config/gitlab.yml.example config/gitlab.yml

# update gitolite hooks
sudo cp ./lib/hooks/post-receive /home/git/share/gitolite/hooks/common/post-receive
sudo chown git:git /home/git/share/gitolite/hooks/common/post-receive

# Make some changes to gitolite config
# For more information visit https://github.com/gitlabhq/gitlabhq/pull/1719
sudo -u git -H sed -i "s/\(GIT_CONFIG_KEYS\s*=>*\s*\).\{2\}/'\.\*'/g" /home/git/.gitolite.rc

# Check app status
sudo -u gitlab bundle exec rake gitlab:app:status RAILS_ENV=production

3. Start all

sudo service gitlab start