From 3.1 to 4.0

Make sure you view this upgrade guide from the master branch for the most up to date instructions.

Important changes

Support for SQLite was dropped
Support for Gitolite 2 was dropped
Projects are organized in namespaces
The GitLab post-receive hook needs to be updated
The configuration file needs to be updated
Availability of python2 executable

Most of projects has post-receive file as symlink to Gitolite /home/git/.gitolite/hooks/post-receive. But some of them may have a real file. In this case you should rewrite it with symlink to Gitolite hook.

I wrote a bash script which will do it automatically for you. Just make sure all path inside is valid for you

1. Stop GitLab & Resque

sudo service gitlab stop

2. Update GitLab


# Get latest code
sudo -u gitlab -H git fetch
sudo -u gitlab -H git checkout 4-0-stable

# The Modernizr gem was yanked from RubyGems. It is required for GitLab >= 2.8.0
# Edit `Gemfile` and change `gem "modernizr", "2.5.3"` to
# `gem "modernizr-rails", "2.7.1"``
sudo -u gitlab -H vim Gemfile

# Install gems for MySQL
sudo -u gitlab -H bundle install --without development test postgres

# Update repos permissions
sudo chmod -R ug+rwXs /home/git/repositories/
sudo chown -R git:git /home/git/repositories/

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

# Enable namespaces (**Warning!** All projects in groups will be moved to subdirectories)
sudo -u gitlab -H bundle exec rake gitlab:enable_namespaces RAILS_ENV=production

3. Update post-receive hooks (Requires Gitolite v3 )

Step 1: Rewrite post-receive hook

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

Step 2: Update project hooks to be symlinks to the Gitolite hook

# 1. Check paths in script
sudo -u gitlab -H vim lib/support/rewrite-hooks.sh

# 2. Run script
sudo -u git -H lib/support/rewrite-hooks.sh

4. Replace config with new one

# backup old one
sudo -u gitlab -H cp config/gitlab.yml config/gitlab.yml.old

# copy new one
sudo -u gitlab -H cp config/gitlab.yml.example config/gitlab.yml

# edit it
sudo -u gitlab -H vim config/gitlab.yml

5. Disable ssh known_host check for own domain

echo "Host localhost
   StrictHostKeyChecking no
   UserKnownHostsFile=/dev/null" | sudo tee -a /etc/ssh/ssh_config

echo "Host YOUR_DOMAIN_NAME
   StrictHostKeyChecking no
   UserKnownHostsFile=/dev/null" | sudo tee -a /etc/ssh/ssh_config

6. Check GitLab's status

sudo -u gitlab -H bundle exec rake gitlab:check RAILS_ENV=production

7. Start GitLab & Resque

sudo service gitlab start

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