Rubygems
Install the latest version of gem by running following command
gem install gitlab
Bundler
Install the latest version of gem by adding following line to Gemfile
gem 'gitlab'
and running
bundle install
You can also point directly to git repository to install it from the latest GitHub source
gem 'gitlab', github: 'NARKOZ/gitlab'
Manual build
If you want to build gem from source manually
git clone https://github.com/NARKOZ/gitlab.git
cd gitlab
gem build gitlab.gemspec