Debian install rbenv, ruby-build, ruby

install_rbenv.sh

#!/usr/bin/env bash

# Target OS: Debian
# Install rbenv, ruby-build, ruby 

# Update, upgrade and install development tools:
apt-get -qy update
apt-get -qy upgrade
apt-get -qy install build-essential git-core curl libssl-dev \
                   libreadline5 libreadline5-dev \
                   zlib1g zlib1g-dev \
                   libmysqlclient-dev \
                   libcurl4-openssl-dev \
                   libxslt-dev libxml2-dev

# Install rbenv
git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv

# Add rbenv to the path:
echo '# rbenv setup' > /etc/profile.d/rbenv.sh
echo 'export RBENV_ROOT=/usr/local/rbenv' >> /etc/profile.d/rbenv.sh
echo 'export PATH="$RBENV_ROOT/bin:$PATH"' >> /etc/profile.d/rbenv.sh
echo 'eval "$(rbenv init -)"' >> /etc/profile.d/rbenv.sh

chmod +x /etc/profile.d/rbenv.sh
source /etc/profile.d/rbenv.sh

# Install ruby-build:
pushd /tmp
  git clone git://github.com/sstephenson/ruby-build.git
  cd ruby-build
  ./install.sh
popd

rbenv install 1.9.3-p194
rbenv global 1.9.3-p194
rbenv rehash

# Disable RubyGems installing with ri and rdoc
cat << EOF > ~/.gemrc
---
install: --no-rdoc --no-ri 
update:  --no-rdoc --no-ri
EOF

# Restart shell or exit re-login
#exec $SHELL