From 4.2 to 5.0

Before: sudo service gitlab stop

1. add bash to git user

sudo chsh -s /bin/bash git

2. git clone gitlab-shell

sudo -u git -H git clone https://github.com/gitlabhq/gitlab-shell.git /home/git/gitlab-shell

3. setup gitlab-shell

# chmod all repos and files under git
sudo chown git:git -R /home/git/repositories/

# login as git
sudo su git
cd /home/git/gitlab-shell

# copy config
cp config.yml.example config.yml

# change url to gitlab instance
# ! make sure url end with '/' like 'https://gitlab.example/'
vim config.yml

# rewrite hooks
./support/rewrite-hooks.sh

# check ruby version for git user ( 1.9 required!! )
# gitlab shell requires system ruby 1.9
ruby -v

# exit from git user
exit

4. Copy gitlab instance to git user

sudo cp -R /home/gitlab/gitlab /home/git/gitlab
sudo chown git:git -R /home/git/gitlab
sudo rm -rf /home/gitlab/gitlab-satellites

# if exists
sudo rm /tmp/gitlab.socket

5. Update gitlab to recent version

cd /home/git/gitlab

# change satellites path, repos_path  etc...
vim config/gitlab.yml

sudo -u git -H git fetch
sudo -u git -H git checkout 5-0-stable
sudo -u git -H bundle
sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
sudo -u git -H bundle exec rake gitlab:shell:setup RAILS_ENV=production
sudo -u git -H bundle exec rake gitlab:shell:build_missing_projects RAILS_ENV=production
sudo -u git -H bundle exec rake gitlab:satellites:create RAILS_ENV=production

# migrate wiki to git
sudo -u git -H bundle exec rake gitlab:wiki:migrate RAILS_ENV=production


# check permissions for /home/git/.ssh/

sudo -u git -H chmod 700 /home/git/.ssh
sudo -u git -H chmod 600 /home/git/.ssh/authorized_keys

6. Update init.d script and nginx config

7. Start gitlab instace

sudo service gitlab start

# In 5-10 seconds lets check gitlab-shell
sudo -u git -H /home/git/gitlab-shell/bin/check