install_ruby

# The version of Ruby to be installed
ruby_ver="1.9.3-p429"

# The base path to the Ruby
ruby_home="/usr/local"

# Enable truly non interactive apt-get installs
export DEBIAN_FRONTEND=noninteractive

apt-get update
apt-get -y install git-core
apt-get -y install curl
apt-get -y install build-essential
apt-get -y install zlib1g-dev libssl-dev libreadline-dev
apt-get -y install libxml2-dev libxslt-dev # needed by nokogiri/capybara

# Use ruby-build to install Ruby
clone_dir=/tmp/ruby-build-$$
git clone https://github.com/sstephenson/ruby-build.git $clone_dir
$clone_dir/bin/ruby-build "$ruby_ver" "$ruby_home"
rm -rf $clone_dir
unset clone_dir

install_ruby-1.8.7_on_ubuntu_12.04

apt-get install -y build-essential wget zlib1g-dev libssl-dev libffi-dev libreadline-dev libxslt-dev libxml2-dev

cd /usr/src
wget http://rubyenterpriseedition.googlecode.com/files/ruby-enterprise-1.8.7-2012.02.tar.gz
tar xzf ruby-enterprise-1.8.7-2012.02.tar.gz && cd ruby-enterprise-1.8.7-2012.02/source
wget https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/tcmalloc.patch
wget https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/stdout-rouge-fix.patch
patch -p1 < tcmalloc.patch
patch -p1 < stdout-rouge-fix.patch
cd .. && ./installer --auto /usr/local --dont-install-useful-gems --no-dev-docs