upgrade_ruby.sh

#!/bin/bash

apt-get update
apt-get install -y build-essential libssl-dev libncurses5-dev libreadline5-dev zlib1g-dev linux-headers-generic libsqlite3-dev

cd /tmp
wget http://repo.webbynode.com/ruby-1.9.2-p290_i386.deb
dpkg -i ruby-1.9.2-p290_i386.deb
rm ruby-1.9.2-p290_i386.deb

test -f /usr/local/bin/ruby && rm /usr/local/bin/ruby
test -f /usr/local/bin/rake && rm /usr/local/bin/rake
test -f /usr/local/bin/gem && rm /usr/local/bin/gem
test -f /usr/local/bin/irb && rm /usr/local/bin/irb

ln -s /usr/bin/ruby /usr/local/bin/ruby
ln -s /usr/bin/rake /usr/local/bin/rake
ln -s /usr/bin/gem /usr/local/bin/gem
ln -s /usr/bin/irb /usr/local/bin/irb

gem update --system

hash -r

new_version=`ruby -v`
echo ""
if (echo $new_version | grep -q "p290"); then
  echo Upgrade successful. New ruby version: $new_version
else
  echo There was a problem upgrading ruby version to 1.9.2-p290.
fi

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