Installs RVM (Ruby Version Manager) system wide

bootstrap-rvm.sh

#!/usr/bin/env bash

# Installs RVM (Ruby Version Manager) system wide

# Generate locals
locale-gen en_US.UTF-8

# Upgrade system
aptitude update && aptitude safe-upgrade -y

# Packages needed to install RVM (Ruby Version Manager)
aptitude install git-core curl -y

# Install RVM
bash < <(curl -s https://rvm.beginrescueend.com/install/rvm)
# Make sure rvm is loaded for non login shells - this inserts on lines 5, 6 and 7
sed -i '5i # This loads RVM into a shell session.' /root/.bashrc
sed -i '6i [[ -s "/usr/local/rvm/scripts/rvm" ]] && source "/usr/local/rvm/scripts/rvm"' /root/.bashrc
sed -i '7i\ ' /root/.bashrc
source /root/.bashrc

# This are packages RVM needs to build Ruby (MRI & REE) for Ubuntu
# run "rvm notes" to find packages needed for something else
aptitude install -y build-essential bison openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-0 libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev

# Generating ri and rdoc take a long time... lets not
echo "gem: --no-ri --no-rdoc" > ~/.gemrc

echo "To install and use a default version of Ruby you might run:"
echo "rvm install ruby-1.9.2 && rvm use ruby-1.9.2 --default"
echo
echo "Or if you must use the older Ruby:"
echo "rvm install ree-1.8.7 && rvm use ree-1.8.7 --default"