_setup.sh

#!/bin/bash

# Discussion, issues and change requests at:
#   https://github.com/nodesource/distributions
#
# Script to install the NodeSource {{name}} repo onto a
# Debian or Ubuntu system.
#
# Run as root or insert `sudo -E` before `bash`:
#
# curl -sL https://deb.nodesource.com/setup{{suffix}} | bash -
#   or
# wget -qO- https://deb.nodesource.com/setup{{suffix}} | bash -
#

export DEBIAN_FRONTEND=noninteractive
SCRSUFFIX="{{suffix}}"
NODENAME="{{name}}"
NODEREPO="{{repo}}"
NODEPKG="{{package}}"

print_status() {
    echo
    echo "## $1"
    echo
}

if test -t 1; then # if terminal
    ncolors=$(which tput > /dev/null && tput colors) # supports color
    if test -n "$ncolors" && test $ncolors -ge 8; then
        termcols=$(tput cols)
        bold="$(tput bold)"
        underline="$(tput smul)"
        standout="$(tput smso)"
        normal="$(tput sgr0)"
        black="$(tput setaf 0)"
        red="$(tput setaf 1)"
        green="$(tput setaf 2)"
        yellow="$(tput setaf 3)"
        blue="$(tput setaf 4)"
        magenta="$(tput setaf 5)"
        cyan="$(tput setaf 6)"
        white="$(tput setaf 7)"
    fi
fi

print_bold() {
    title="$1"
    text="$2"

    echo
    echo "${red}================================================================================${normal}"
    echo "${red}================================================================================${normal}"
    echo
    echo -e "  ${bold}${yellow}${title}${normal}"
    echo
    echo -en "  ${text}"
    echo
    echo "${red}================================================================================${normal}"
    echo "${red}================================================================================${normal}"
}

bail() {
    echo 'Error executing command, exiting'
    exit 1
}

exec_cmd_nobail() {
    echo "+ $1"
    bash -c "$1"
}

exec_cmd() {
    exec_cmd_nobail "$1" || bail
}

node_deprecation_warning() {
    if [[ "X${NODENAME}" == "Xio.js 1.x" ||
          "X${NODENAME}" == "Xio.js 2.x" ||
          "X${NODENAME}" == "Xio.js 3.x" ||
          "X${NODENAME}" == "XNode.js 0.10" ||
          "X${NODENAME}" == "XNode.js 0.12" ||
          "X${NODENAME}" == "XNode.js 4.x LTS Argon" ||
          "X${NODENAME}" == "XNode.js 5.x" ||
          "X${NODENAME}" == "XNode.js 7.x" ]]; then

        print_bold \
"                            DEPRECATION WARNING                            " "\
${bold}${NODENAME} is no longer actively supported!${normal}

  ${bold}You will not receive security or critical stability updates${normal} for this version.

  You should migrate to a supported version of Node.js as soon as possible.
  Use the installation script that corresponds to the version of Node.js you
  wish to install. e.g.

   * ${green}https://deb.nodesource.com/setup_8.x — Node.js 8 LTS \"Carbon\"${normal} (recommended)
   * ${green}https://deb.nodesource.com/setup_10.x — Node.js 10 Current${normal}

  Please see ${bold}https://github.com/nodejs/Release${normal} for details about which
  version may be appropriate for you.

  The ${bold}NodeSource${normal} Node.js distributions repository contains
  information both about supported versions of Node.js and supported Linux
  distributions. To learn more about usage, see the repository:
    ${bold}https://github.com/nodesource/distributions${normal}
"
        echo
        echo "Continuing in 20 seconds ..."
        echo
        sleep 20
    fi
}

script_deprecation_warning() {
    if [ "X${SCRSUFFIX}" == "X" ]; then
        print_bold \
"                         SCRIPT DEPRECATION WARNING                         " "\
This script, located at ${bold}https://deb.nodesource.com/setup${normal}, used to
  install Node.js 0.10, is deprecated and will eventually be made inactive.

  You should use the script that corresponds to the version of Node.js you
  wish to install. e.g.

   * ${green}https://deb.nodesource.com/setup_8.x — Node.js 8 LTS \"Carbon\"${normal} (recommended)
   * ${green}https://deb.nodesource.com/setup_10.x — Node.js 10 Current${normal}

  Please see ${bold}https://github.com/nodejs/Release${normal} for details about which
  version may be appropriate for you.

  The ${bold}NodeSource${normal} Node.js Linux distributions GitHub repository contains
  information about which versions of Node.js and which Linux distributions
  are supported and how to use the install scripts.
    ${bold}https://github.com/nodesource/distributions${normal}
"

        echo
        echo "Continuing in 20 seconds (press Ctrl-C to abort) ..."
        echo
        sleep 20
    fi
}

setup() {

script_deprecation_warning
node_deprecation_warning

print_status "Installing the NodeSource ${NODENAME} repo..."

if $(uname -m | grep -Eq ^armv6); then
    print_status "You appear to be running on ARMv6 hardware. Unfortunately this is not currently supported by the NodeSource Linux distributions. Please use the 'linux-armv6l' binary tarballs available directly from nodejs.org for Node.js 4 and later."
    exit 1
fi

PRE_INSTALL_PKGS=""

# Check that HTTPS transport is available to APT
# (Check snaked from: https://get.docker.io/ubuntu/)

if [ ! -e /usr/lib/apt/methods/https ]; then
    PRE_INSTALL_PKGS="${PRE_INSTALL_PKGS} apt-transport-https"
fi

if [ ! -x /usr/bin/lsb_release ]; then
    PRE_INSTALL_PKGS="${PRE_INSTALL_PKGS} lsb-release"
fi

if [ ! -x /usr/bin/curl ] && [ ! -x /usr/bin/wget ]; then
    PRE_INSTALL_PKGS="${PRE_INSTALL_PKGS} curl"
fi

# Populating Cache
print_status "Populating apt-get cache..."
exec_cmd 'apt-get update'

if [ "X${PRE_INSTALL_PKGS}" != "X" ]; then
    print_status "Installing packages required for setup:${PRE_INSTALL_PKGS}..."
    # This next command needs to be redirected to /dev/null or the script will bork
    # in some environments
    exec_cmd "apt-get install -y${PRE_INSTALL_PKGS} > /dev/null 2>&1"
fi

IS_PRERELEASE=$(lsb_release -d | grep 'Ubuntu .*development' >& /dev/null; echo $?)
if [[ $IS_PRERELEASE -eq 0 ]]; then
    print_status "Your distribution, identified as \"$(lsb_release -d -s)\", is a pre-release version of Ubuntu. NodeSource does not maintain official support for Ubuntu versions until they are formally released. You can try using the manual installation instructions available at https://github.com/nodesource/distributions and use the latest supported Ubuntu version name as the distribution identifier, although this is not guaranteed to work."
    exit 1
fi

DISTRO=$(lsb_release -c -s)

check_alt() {
    if [ "X${DISTRO}" == "X${2}" ]; then
        echo
        echo "## You seem to be using ${1} version ${DISTRO}."
        echo "## This maps to ${3} \"${4}\"... Adjusting for you..."
        DISTRO="${4}"
    fi
}

check_alt "SolydXK"       "solydxk-9" "Debian" "stretch"
check_alt "Kali"          "sana"     "Debian" "jessie"
check_alt "Kali"          "kali-rolling" "Debian" "jessie"
check_alt "Sparky Linux"  "Nibiru"   "Debian" "buster"
check_alt "MX Linux 17"   "Horizon"  "Debian" "stretch"
check_alt "Linux Mint"    "maya"     "Ubuntu" "precise"
check_alt "Linux Mint"    "qiana"    "Ubuntu" "trusty"
check_alt "Linux Mint"    "rafaela"  "Ubuntu" "trusty"
check_alt "Linux Mint"    "rebecca"  "Ubuntu" "trusty"
check_alt "Linux Mint"    "rosa"     "Ubuntu" "trusty"
check_alt "Linux Mint"    "sarah"    "Ubuntu" "xenial"
check_alt "Linux Mint"    "serena"   "Ubuntu" "xenial"
check_alt "Linux Mint"    "sonya"    "Ubuntu" "xenial"
check_alt "Linux Mint"    "sylvia"   "Ubuntu" "xenial"
check_alt "Linux Mint"    "tara"     "Ubuntu" "bionic"
check_alt "LMDE"          "betsy"    "Debian" "jessie"
check_alt "LMDE"          "cindy"    "Debian" "stretch"
check_alt "elementaryOS"  "luna"     "Ubuntu" "precise"
check_alt "elementaryOS"  "freya"    "Ubuntu" "trusty"
check_alt "elementaryOS"  "loki"     "Ubuntu" "xenial"
check_alt "elementaryOS"  "juno"     "Ubuntu" "bionic"
check_alt "Trisquel"      "toutatis" "Ubuntu" "precise"
check_alt "Trisquel"      "belenos"  "Ubuntu" "trusty"
check_alt "Trisquel"      "flidas"   "Ubuntu" "xenial"
check_alt "Uruk GNU/Linux" "lugalbanda" "Ubuntu" "xenial"
check_alt "BOSS"          "anokha"   "Debian" "wheezy"
check_alt "bunsenlabs"    "bunsen-hydrogen" "Debian" "jessie"
check_alt "bunsenlabs"    "helium"   "Debian" "stretch"
check_alt "Tanglu"        "chromodoris" "Debian" "jessie"
check_alt "PureOS"        "green"    "Debian" "sid"
check_alt "Devuan"        "jessie"   "Debian" "jessie"
check_alt "Devuan"        "ascii"    "Debian" "stretch"
check_alt "Devuan"        "ceres"    "Debian" "sid"
check_alt "Deepin"        "panda"    "Debian" "sid"
check_alt "Deepin"        "unstable" "Debian" "sid"
check_alt "Pardus"        "onyedi"   "Debian" "stretch"
check_alt "Liquid Lemur"  "lemur-3"  "Debian" "stretch"

if [ "X${DISTRO}" == "Xdebian" ]; then
  print_status "Unknown Debian-based distribution, checking /etc/debian_version..."
  NEWDISTRO=$([ -e /etc/debian_version ] && cut -d/ -f1 < /etc/debian_version)
  if [ "X${NEWDISTRO}" == "X" ]; then
    print_status "Could not determine distribution from /etc/debian_version..."
  else
    DISTRO=$NEWDISTRO
    print_status "Found \"${DISTRO}\" in /etc/debian_version..."
  fi
fi

print_status "Confirming \"${DISTRO}\" is supported..."

if [ -x /usr/bin/curl ]; then
    exec_cmd_nobail "curl -sLf -o /dev/null 'https://deb.nodesource.com/${NODEREPO}/dists/${DISTRO}/Release'"
    RC=$?
else
    exec_cmd_nobail "wget -qO /dev/null -o /dev/null 'https://deb.nodesource.com/${NODEREPO}/dists/${DISTRO}/Release'"
    RC=$?
fi

if [[ $RC != 0 ]]; then
    print_status "Your distribution, identified as \"${DISTRO}\", is not currently supported, please contact NodeSource at https://github.com/nodesource/distributions/issues if you think this is incorrect or would like your distribution to be considered for support"
    exit 1
fi

if [ -f "/etc/apt/sources.list.d/chris-lea-node_js-$DISTRO.list" ]; then
    print_status 'Removing Launchpad PPA Repository for NodeJS...'

    exec_cmd_nobail 'add-apt-repository -y -r ppa:chris-lea/node.js'
    exec_cmd "rm -f /etc/apt/sources.list.d/chris-lea-node_js-${DISTRO}.list"
fi

print_status 'Adding the NodeSource signing key to your keyring...'

if [ -x /usr/bin/curl ]; then
    exec_cmd 'curl -s https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
else
    exec_cmd 'wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -'
fi

print_status "Creating apt sources list file for the NodeSource ${NODENAME} repo..."

exec_cmd "echo 'deb https://deb.nodesource.com/${NODEREPO} ${DISTRO} main' > /etc/apt/sources.list.d/nodesource.list"
exec_cmd "echo 'deb-src https://deb.nodesource.com/${NODEREPO} ${DISTRO} main' >> /etc/apt/sources.list.d/nodesource.list"

print_status 'Running `apt-get update` for you...'

exec_cmd 'apt-get update'

print_status """Run \`${bold}sudo apt-get install -y ${NODEPKG}${normal}\` to install ${NODENAME} and npm
## You may also need development tools to build native addons:
     sudo apt-get install gcc g++ make
## To install the Yarn package manager, run:
     curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
     echo \"deb https://dl.yarnpkg.com/debian/ stable main\" | sudo tee /etc/apt/sources.list.d/yarn.list
     sudo apt-get update && sudo apt-get install yarn
"""

}

## Defer setup until we have the complete script
setup