bash <(curl -# - L https://gist.github.com/amercier/8461147/raw)

debian7-install-ruby.sh

#!/usr/bin/env bash
 
if [ "`whoami`" != "root" ]; then
   echo "You must execute this script as root" >&2
   exit 1
fi
 
VERSION=2.1.1
URL=ftp://ftp.ruby-lang.org/pub/ruby/2.1/ruby-$VERSION.tar.gz
 
echo ".-------------------."
echo "| Ruby installation |"
echo "'-------------------'"
 
cd \
&& curl -# $URL > ruby-$VERSION.tar.gz \
&& tar xvfz ruby-$VERSION.tar.gz \
&& cd ruby-$VERSION \
&& ./configure --disable-install-rdoc \
&& make \
&& make install \
&& cd \
&& rm -Rf ruby-$VERSION ruby-$VERSION.tar.gz \
&& echo ".-----------------------------------------." \
&& echo "| Ruby $VERSION installed successfully |" \
&& echo "'-----------------------------------------'" \
&& ruby --version \
&& echo gem $(gem --version)