How to install a Rails Continuos integration server in Jenkins

job_shell_script.sh

#!/bin/bash
source ~/.bashrc

rbenv install 2.2.0
gem install bundle

# setup the tests
bundle install
bundle exec rake db:migrate RAILS_ENV=test

# run the tests
bundle exec rake rspec spec

rails_jenkins_setup

# add ci gem to gemfile
https://github.com/ci-reporter/ci_reporter

# dependencies
sudo apt-get update
sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-soft

# switch to the jenkins user

# install rbenv
cd
git clone git://github.com/sstephenson/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
exec $SHELL

git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
exec $SHELL

git clone https://github.com/sstephenson/rbenv-gem-rehash.git ~/.rbenv/plugins/rbenv-gem-rehash

# install ruby (replace with the version you want)
rbenv install 2.2.3
rbenv global 2.2.3
ruby -v

# don't story documentation locally
echo "gem: --no-ri --no-rdoc" > ~/.gemrc

# install bundler gem
gem install bundler