Node.js Raspbian Installer

install.sh

#!/usr/bin/env bash

# Node.js, Raspbian Installer
# 
# Author: Chistopher Turner (@tur_nr)
# Site  : http://tur-nr.github.io

# var defaults
version="0.10.26"                    # node.js version
destination="/usr/local/dist/node"   # destination location
path="/usr/local/bin"                # install path
url="http://nodejs.org/dist/v*/"     # download Url
file="node-v*-linux-arm-pi.tar.gz"   # package file name

# output details
function detail {
  printf "%-15s: %s\n" $1 $2
}

# fail and exit
function fail {
  tput setf 4;
  tput bold;
  echo -n "ERROR: "
  tput sgr0;
  echo $1
  exit
}

# options
while getopts d:v:p opt; do
  case $opt in
    d) destination=$OPTARG;; # set destination
    v) version=$OPTARG;;     # set version
  esac
done

# shift options out of arguments
shift $((OPTIND-1))
[ "$1" = "--" ] && shift

# installation path
if [ $1 ]; then
  path=$1
fi

# installation vars
file=${file/\*/$version}
url=${url/\*/$version}$file

# start
echo "Node.js"
echo "Raspbian Installer"
echo

# installation details
detail "Version" $version
detail "Package" $file
detail "Destination" $destination
detail "Path" $path
echo

# confirm
read -p "Are you sure you wish to continue? [Y/n]: " confirm

# check confirmation
if [[ -n $confirm && $confirm != "y" ]]; then
  exit
fi

# download package

# exists
if ! curl -Isfo /dev/null $url; then
  fail "Version ($version) does not exist."
fi

echo 
tput setf 6; echo $url; tput sgr0;

if ! curl -#fo /tmp/$file $url || [ ! -f /tmp/$file ]; then
  fail "Download failed!"
fi

# extract
echo "Extracting package..."

mkdir -p $destination
tar zxf /tmp/$file --strip-components=1 -C $destination

# install
echo "Installing..."

mkdir -p $path
ln -s $destination/bin/node $path/node
ln -s $destination/bin/npm $path/npm

# clean up
rm /tmp/$file

# complete script
tput setf 2; tput bold; echo "Installation complete."; tput sgr0;