installer.sh

#!/usr/bin/env bash

# Generally this script will install basic Ubuntu packages and extras,
# latest Python pip and defined dependencies in pip-requirements.
# Docker, Sublime Text and VSCode, Slack, Megasync, Mendeley, Latex support and etc
# Some configs reused from: https://github.com/nnja/new-computer and,
# https://github.com/JackHack96/dell-xps-9570-ubuntu-respin

set -e pipefail
#  increase the number of open files allowed
ulimit -n 65535 || true
# Check if the script is running under Ubuntu 16.04 or Ubuntu 18.04
if [ "$(lsb_release -c -s)" != "bionic" ] && [ "$(lsb_release -c -s)" != "xenial" ]; then
    >&2 echo "This script is made for Ubuntu 16.04 or Ubuntu 18.04!"
    exit 1
fi

# Setting up some vars
export BIN_DIR="/usr/local/bin/"

# Set the colours you can use
# 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)
# Resets the style
reset=$(tput sgr0)

# Color-echo.
# arg $1 = Color
# arg $2 = message
cecho() {
  echo "${1}${2}${reset}"
}

cechon() {
  echo -n "${1}${2}${reset}"
}

echon() {
  echo -e "\n"
}

echon
cecho "${red}" "###################################################"
cecho "${red}" "#       [X]Ubuntu Install Setup Script            #"
cecho "${red}" "#                                                 #"
cecho "${red}" "#  Note: You need to be sudo before you continue  #"
cecho "${red}" "#                                                 #"
cecho "${red}" "#               By Mpho Mphego                    #"
cecho "${red}" "#                                                 #"
cecho "${red}" "#           DO NOT RUN THIS SCRIPT BLINDLY        #"
cecho "${red}" "#              YOU'LL PROBABLY REGRET IT...       #"
cecho "${red}" "#                                                 #"
cecho "${red}" "#              READ IT THOROUGHLY                 #"
cecho "${red}" "#         AND EDIT TO SUIT YOUR NEEDS             #"
cecho "${red}" "###################################################"
echon

# Set continue to false by default.
export CONTINUE=false

if [[ -z "${TRAVIS}" ]]; then
    cecho "${red}" "Have you read through the script you're about to run and ";
    cechon "${red}" "understood that it will make changes to your computer? (y/n): ";
    read -r response
    if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
        export CONTINUE=true
        cecho "${blue}" "Please enter some info so that the script can automate the boring stuff."
        read -r -p 'Enter your full name: ' USERNAME
        read -r -p 'Enter your email address: ' USEREMAIL
    else
        cecho "${red}" "Please go read the script, it only takes a few minutes"
        exit 1
    fi
else
    cecho "${yellow}" "Running Continuous Integration.";
    export CONTINUE=true
fi

# Here we go.. ask for the administrator password upfront and run a
# keep-alive to update existing `sudo` time stamp until script has finished
sudo -v
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &


retry_cmd() {
    # Retries a command on failure.
    # $1 - the max number of attempts
    # $2... - the command to run
    local -r -i max_attempts="$1"; shift
    local -r cmd="$@"
    local -i attempt_num=1

    until $cmd
    do
        if (( attempt_num == max_attempts )); then
            echo "Attempt $attempt_num failed and there are no more attempts left!"
            return 1
        else
            echo "Attempt $attempt_num failed! Trying again in $attempt_num seconds..."
            sleep $(( attempt_num++ ))
        fi
    done
}

Recv_GPG_Keys() {
    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys "$1"
    if [ "$?" -ne "0" ] && command -v gpg > /dev/null; then
        gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys "$1";
    fi
}

############################################
# Prerequisite: Update package source list #
############################################

InstallThis() {
    for pkg in "$@"; do
        sudo DEBIAN_FRONTEND=noninteractive apt-get install -y "${pkg}" || true;
        sudo dpkg --configure -a || true;
        sudo apt-get autoclean && sudo apt-get clean;
    done
}

InstallThisQuietly() {
    sudo DEBIAN_FRONTEND=noninteractive apt-get install -y -qq "$1" < /dev/null > /dev/null || true
}

ReposInstaller() {

    cecho "${green}" "Running package updates..."
    sudo apt-get update -qq || true;
    sudo dpkg --configure -a || true;
    sudo -k sed -i -r 's"enabled=1"enabled=0"' /etc/default/apport
    if ! command -v wget >/dev/null; then
        InstallThisQuietly wget
    fi

    if ! command -v curl > /dev/null; then
        InstallThisQuietly curl
    fi

    if ! command -v gdebi > /dev/null; then
        InstallThisQuietly gdebi
    fi

    cecho "${green}" "Adding APT Repositories."
    Version=$(lsb_release -cs)

    ## Git
    sudo add-apt-repository -yn ppa:git-core/ppa || true

    ## Sublime Text
    wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add - || true
    echo "deb [trusted=yes] https://download.sublimetext.com/ apt/stable/" | sudo tee /etc/apt/sources.list.d/sublime-text.list || true

    # Dropbox
    [ -z "${Version}" ] || echo "deb [trusted=yes] http://linux.dropbox.com/ubuntu ${Version} main" | sudo tee /etc/apt/sources.list.d/dropbox.list

    # Zotero stand-alone
    sudo add-apt-repository -yn ppa:smathot/cogscinl

    ## Docker
    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - || true
    [ -z "${Version}" ] || sudo add-apt-repository -yn "deb [arch=amd64] https://download.docker.com/linux/ubuntu ${Version} stable"

    ## VSCode
    curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg || true;
    sudo install -o root -g root -m 644 microsoft.gpg /etc/apt/trusted.gpg.d/ || true
    sudo sh -c 'echo "deb [arch=amd64] https://packages.microsoft.com/repos/vscode stable main" > /etc/apt/sources.list.d/vscode.list' || true;

    ## Atom
    sudo add-apt-repository -yn ppa:webupd8team/atom || true

    ## Video tools
    sudo add-apt-repository -yn ppa:maarten-baert/simplescreenrecorder || true
    sudo add-apt-repository -yn ppa:openshot.developers/ppa || true

    ## Laptop battery management
    sudo add-apt-repository -yn ppa:linuxuprising/apps || true
    sudo add-apt-repository -yn ppa:linrunner/tlp || true

    ## etcher USB image writer
    echo "deb [trusted=yes] https://deb.etcher.io stable etcher" | sudo tee /etc/apt/sources.list.d/balena-etcher.list

    ## Redshift
    sudo add-apt-repository -yn ppa:dobey/redshift-daily

    ## Touchpad
    sudo add-apt-repository -yn ppa:atareao/atareao

    ## Inxi
    sudo add-apt-repository -yn ppa:unit193/inxi
    sudo apt-get update -qq
    rm -rf -- *.gpg
    cecho "${cyan}" "################### Done Adding Repositories ###################"
}

## Install few global Python packages
PythonInstaller() {
    cecho "${cyan}" "Installing global Python packages..."
    if [ ! -f "pip-requirements.txt" ]; then
        wget https://raw.githubusercontent.com/mmphego/new-computer/master/pip-requirements.txt
    fi
    InstallThis python-dev python3.7-dev python3.7 python-serial
    curl https://bootstrap.pypa.io/get-pip.py | sudo python
    sudo pip install virtualenv virtualenvwrapper ipython
    if ! command -v ipython >/dev/null; then
        ipython profile create
    fi
    export WORKON_HOME="${HOME}/.venvs"
    export VIRTUALENVWRAPPER_PYTHON="$(which python)"
    export VIRTUALENVWRAPPER_VIRTUALENV="$(which virtualenv)"
    export VIRTUALENVWRAPPER_VIRTUALENV_ARGS="--no-site-packages"

    # shellcheck source=/dev/null
    source "$(which virtualenvwrapper.sh)"
    mkvirtualenv -p python2.7 venv2 -r pip-requirements.txt || true
    mkvirtualenv -p python3.6 venv3.6 -r pip-requirements.txt || true
    mkvirtualenv -p python3.7 venv3.7 -r pip-requirements.txt || true
    rm -rf pip-requirements.txt
}

RustPackages() {
    if command -v cargo > /dev/null; then
        retry_cmd 5 cargo install --no-default-features "$1" || true
    fi
}

SlackInstaller() {
    cecho "${cyan}" "Installing Slack..."
    VERSION=3.3.7
    wget -O slack.deb "https://downloads.slack-edge.com/linux_releases/slack-desktop-${VERSION}-amd64.deb"
    sudo gdebi -n slack.deb
}

MEGAInstaller() {
    ID=$(grep ^VERSION_ID /etc/os-release | cut -d "=" -f2 | tr -d '"')
    wget "https://mega.nz/linux/MEGAsync/xUbuntu_${ID}/amd64/megasync-xUbuntu_${ID}_amd64.deb"
    sudo gdebi -n "megasync-xUbuntu_${ID}_amd64.deb"
}

EntrInstaller() {
    wget http://eradman.com/entrproject/code/entr-4.2.tar.gz
    tar -xvzf entr-4.2.tar.gz
    cd eradman-entr-6cd0927b54a6/
    ./configure && sudo make install
    rm -rf entr-4.2.tar.gz eradman-entr-6cd0927b54a6
    cd -
}

DropboxInstaller() {
    Version=$(curl -s https://linux.dropboxstatic.com/packages/ubuntu/ | $(command -v grep) -P '^(?=.*drop*)(?=.*amd64)' |  $(command -v grep) -oP '(?<=>).*(?=<)' | tail -1)
    wget "https://linux.dropboxstatic.com/packages/ubuntu/${Version}"
    sudo gdebi -n "${Version}"
    if [[ "$(command -v io.elementary.files)" > /dev/null ]]; then
        InstallThis pantheon-files-plugin-dropbox
    elif [[ "$(command -v thunar)" > /dev/null ]]; then
        InstallThis thunar-dropbox-plugin
    elif [[ "$(command -v nautilus)" > /dev/null ]]; then
        InstallThis nautilus-dropbox
    fi
}

MendeleyInstaller() {
    wget -O mendeley.deb https://www.mendeley.com/repositories/ubuntu/stable/amd64/mendeleydesktop-latest
    sudo gdebi -n mendeley.deb
}

xUbuntuPackages() {
    InstallThis xubuntu-icon-theme \
        xfce4-* \
        xscreensaver \
        xubuntu-restricted-addons \
        xubuntu-restricted-extras \
        xubuntu-icon-theme \
        blackbird-gtk-theme \
        albatross-gtk-theme \
        ubiquity-slideshow-xubuntu \
        xfwm4-themes \
        xfwm4-theme-breeze \
        xfdashboard-plugins
    sudo apt-get --purge autoremove -y light-locker
}

LatexInstaller() {
    InstallThis chktex \
        texinfo \
        latexmk \
        lynx \
        pandoc \
        texlive-bibtex-extra \
        texlive-extra-utils \
        texlive-font-utils \
        texlive-lang-english \
        texlive-latex-extra \
        texlive-latex-extra \
        texlive-pictures \
        texlive-pstricks \
        texlive-science \
        texlive-xetex
}

GitInstaller() {
    if ! command -v git > /dev/null; then
        cecho "${cyan}" "Installing Git"
        InstallThis git
    fi
    URL=$(curl -s "https://api.github.com/repos/github/hub/releases/latest" | $(command -v grep) "browser_" | cut -d\" -f4 | $(command -v grep) "linux-amd64") || true
    wget "${URL}" -O - | tar -zxf - || true
    cecho "${cyan}" "Installing Hub"
    find . -name "hub*" -type d | while read -r DIR;do
        sudo prefix=/usr/local "${DIR}"/install
        rm -rf -- hub-linux* || true
    done
}

MDcatInstaller() {
    cecho "${cyan}" "Installing mdcat: cat for Markdown"
    URL=$(curl -s "https://api.github.com/repos/lunaryorn/mdcat/releases" | $(command -v grep) "browser_" | cut -d\" -f4 | $(command -v grep) "linux" | head -1)
    wget "${URL}" -O - | tar -zxf - || true
    find . -name "mdcat*" -type d | while read -r DIR;do
        sudo cp ./mdcat-0.12.1-x86_64-unknown-linux-musl/mdcat "${BIN_DIR}"
    done || true
    if command -v mdcat > /dev/null; then
        cecho "${green}" "Successfully installed mdcat in ${BIN_DIR}"
    fi
    rm -rf -- mdcat* || true
}

TravisClientInstaller() {
    cecho "${cyan}" "Installing Travis-CI CLI client."
    sudo gem install -n /usr/local/bin travis --no-rdoc --no-ri
}

ElementaryOSDesktop() {

        echon
        cecho "${red}" "#############################################################"
        cecho "${red}" "#                                                           #"
        cecho "${red}" "#  elementary OS is a Linux distribution based on Ubuntu.   #"
        cecho "${red}" "#  It is the flagship distribution to showcase the          #"
        cecho "${red}" "#  Pantheon desktop environment.                            #"
        cecho "${red}" "#  The distribution promotes itself as a fast, open,        #"
        cecho "${red}" "#  and privacy-respecting replacement to macOS and Windows  #"
        cecho "${red}" "#                                                           #"
        cecho "${red}" "#                 https://elementary.io/                    #"
        cecho "${red}" "#                                                           #"
        cecho "${red}" "#             If you would like to try it out,              #"
        cecho "${red}" "#               you can either install it now, or           #"
        cecho "${red}" "#                  install it in your virtualbox            #"
        cecho "${red}" "#                                                           #"
        cecho "${red}" "#############################################################"
        echon

    if [[ -z "${TRAVIS}" ]]; then
        cechon "${cyan}" "Would you like to install Elementary OS within your Ubuntu OS? (y/n): "
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then

            # elementary-os packages
            sudo add-apt-repository -y ppa:elementary-os/daily || true
            sudo apt-get install -y elementary-desktop || true
            cecho "${cyan}" "################### Enjoy Elementary OS ###################"
        fi
    fi

}

UbuntuOSDesktop() {
    if [[ -z "${TRAVIS}" ]]; then
        cechon "${cyan}" "Would you like to install Ubuntu OS desktop within your [X]Ubuntu OS? (y/n): "
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
            # Ubuntu Desktop Env packages
            sudo apt-get install -y ubuntu-desktop || true
            cecho "${cyan}" "################### Enjoy Ubuntu Desktop ###################"
        fi
    fi
}

DELL_XPS_TWEAKS() {
    echon
    cecho "${red}" "################################################################"
    cecho "${red}" "#                                                              #"
    cecho "${red}" "#       A collection of scripts and tweaks to make             #"
    cecho "${red}" "#       Ubuntu 18.04 run smooth on Dell XPS 15 9570            #"
    cecho "${red}" "#                                                              #"
    cecho "${red}" "#            DO NOT RUN THIS SCRIPT BLINDLY                    #"
    cecho "${red}" "#               YOU WILL PROBABLY REGRET IT...                 #"
    cecho "${red}" "#                                                              #"
    cecho "${red}" "#               READ IT THOROUGHLY,                            #"
    cecho "${red}" "#               EDIT TO SUIT YOUR NEEDS AND,                   #"
    cecho "${red}" "#               GO VIEW THE SCRIPT HERE!                       #"
    cecho "${red}" "#                                                              #"
    cecho "${red}" "#   https://github.com/JackHack96/dell-xps-9570-ubuntu-respin  #"
    cecho "${red}" "#                                                              #"
    cecho "${red}" "################################################################"
    echon

    if [[ -z "${TRAVIS}" ]]; then
        cecho "${red}" "Note that some of these changes require a logout/restart to take effect."
        cechon "${red}" "Do you want to proceed with tweaking your Dell XPS 15 9570? (y/n): "
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
            sudo bash -c "$(curl -fsSL https://raw.githubusercontent.com/JackHack96/dell-xps-9570-ubuntu-respin/master/xps-tweaks.sh)"
        fi
    fi
}

####################################################################################################
########################################## Package Set Up ##########################################
####################################################################################################
DockerSetUp() {
    cecho "${cyan}" "Setting up Docker..."
    sudo gpasswd -a  "$(users)" docker
    sudo usermod -a -G docker "$(users)"
}

VSCodeSetUp() {
    cecho "${cyan}" "Installing VSCode plugins..."
    if [ ! -f "code_plugins.txt" ]; then
        wget https://raw.githubusercontent.com/mmphego/new-computer/master/code_plugins.txt
    fi
    # alt
    # cat code_plugins.txt | xargs -L1 code --install-extension
    while read -r pkg; do
        retry_cmd 5 code --install-extension "${pkg}" --force || true
    done < code_plugins.txt
    rm -rf code_plugins.txt
}

ArduinoUDevFixes() {
    cecho "${cyan}" "Setting up UDev rules for platformio"
    cecho "${red}" "See: https://docs.platformio.org/en/latest/faq.html#id15"
    curl -fsSL https://raw.githubusercontent.com/platformio/platformio-core/develop/scripts/99-platformio-udev.rules | sudo tee /etc/udev/rules.d/99-platformio-udev.rules
    sudo service udev restart
    sudo usermod -a -G dialout "${USER}"
    sudo usermod -a -G plugdev "${USER}"
}

RepoKeys(){
    Recv_GPG_Keys 379CE192D401AB61 || true
    Recv_GPG_Keys 5044912E || true
}

GitSetUp() {

    if [[ -z "${TRAVIS}" ]]; then
        #############################################
        ### Generate ssh keys & add to ssh-agent
        ### See: https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/
        #############################################

        cecho "${cyan}" "Setting up Git..."
        cecho "${green}"  "Generating SSH keys, adding to ssh-agent..."
        git config --global user.name "${USERNAME}"
        git config --global user.email "${USEREMAIL}"
        git config --global push.default simple

        echo "Use default ssh file location, enter a passphrase: "
        # ssh-keygen -t rsa -b 4096 -C "${useremail}"  # will prompt for password
        ssh-keygen -f ~/.ssh/id_rsa -t rsa -N '' -b 4096 -C "${USEREMAIL}" # will NOT prompt for password
        eval "$(ssh-agent -s)"

        # Now that sshconfig is synced add key to ssh-agent and
        # store passphrase in keychain
        ssh-add ~/.ssh/id_rsa

        cecho "${green}" "##############################################"
        cecho "${green}" "### Add SSH and GPG keys to GitHub via API ###"
        cecho "${green}" "##############################################"
        echo
        cecho "${green}" "Adding ssh-key to GitHub (via api.github.com)..."
        echon
        cecho "${red}" "This will require you to login GitHub's api with your username and password "
        cecho "${red}" "No PASSWORDS ARE SAVED."
        cechon "${red}" "Enter Y/N to continue: "
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
            GHDATA="{"\"title"\":"\"$(hostname)"\","\"key"\":"\"$(cat ~/.ssh/id_rsa.pub)"\"}"
            read -r -p 'Enter your GitHub username: ' GHUSERNAME
            gh_retcode=$(curl -o /dev/null -s -w "%{http_code}" -u "${GHUSERNAME}" --data "${GHDATA}" https://api.github.com/user/keys)
            if [[ "${gh_retcode}" -ge 201 ]]; then
                cecho "${cyan}" "####################################################"
                cecho "${cyan}" "GitHub SSH keys added successfully!"
                cecho "${cyan}" "####################################################"
                echo
            else
                cecho "${red}" "Something went wrong."
                cecho "${red}" "You will need to do it manually."
                cecho "${red}" "Open: https://github.com/settings/keys"
                echo
            fi
        fi

        echo
        cecho "${green}" "Adding GPG-keys to GitHub (via api.github.com)..."
        echo
        cecho "${red}" "This will require you to login GitHub's API with your username and password "
        cechon "${red}" "Enter Y/N to continue: "
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
            # https://developer.github.com/v3/users/gpg_keys/#
            cecho "${green}" "Generating GPG keys, please follow the prompts."
            if [ ! -f "github_gpg.py" ]; then
                wget https://raw.githubusercontent.com/mmphego/new-computer/master/github_gpg.py
            fi

            if gpg --full-generate-key; then
                MY_GPG_KEY=$(gpg --list-secret-keys --keyid-format LONG | grep ^sec | tail -1 | cut -f 2 -d "/" | cut -f 1 -d " ")
                # native shell
                #gpg --armour --export $(gpg -K --keyid-format LONG | grep ^sec | sed 's/.*\/\([^ ]\+\).*$/\1/') | jq -nsR '.armored_public_key = inputs' | curl -X POST -u "$GITHUB_USER:$GITHUB_TOKEN" --data-binary @- https://api.github.com/user/gpg_keys
                gpg --armor --export "${MY_GPG_KEY}" > gpg_keys.txt
                cecho "${cyan}" "Successfully generated GPG keys!"
                echo
                read -r -p 'Enter your GitHub username: ' GHUSERNAME
                read -r -s -p 'Enter your GitHub password: ' GHPASSWORD
                if ~/.venv/bin/python github_gpg.py -u "${GHUSERNAME}" -p "${GHPASSWORD}" -f ./gpg_keys.txt; then
                    echo
                    git config --global commit.gpgsign true
                    git config --global user.signingkey "${MY_GPG_KEY}"
                    echo "export GPG_TTY=$(tty)" >> ~/.bashrc
                    echo
                    cecho "${cyan}" "####################################################"
                    cecho "${cyan}" "GitHub PGP-Keys added successfully!"
                    cecho "${cyan}" "####################################################"
                else
                    cecho "${red}" "Something went wrong."
                    cecho "${red}" "You will need to do it manually."
                    cecho "${red}" "Open: https://github.com/settings/keys"
                    echo
                fi
            else
                cecho "${red}" "gpg2 is not installed"
            fi
            rm -rf gpg_keys.txt || true;
        fi

        echo
        cecho "${green}" "Installing Git hooks..."
        echo
        cecho "${red}" "Would you like to install custom pre-commit git-hooks? (y/n)"
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
            wget https://github.com/mmphego/git-hooks/archive/master.zip -P ~/Documents && \
            unzip ~/Documents/master.zip -d ~/Documents
            [ -f ~/Documents/git-hooks-master/setup_hooks.sh ] && \
            sudo ~/Documents/git-hooks-master/setup_hooks.sh install_hooks
        fi
        echo
    fi
}

installDotfiles() {
    ################################################################################################
    ###################################### Install dotfiles repo ###################################
    ################################################################################################
    if [[ -z "${TRAVIS}" ]]; then
        cechon "${red}" "Do you want to clone and install dotfiles? (y/n): "
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
            wget https://github.com/mmphego/dot-files/archive/master.zip
            unzip master.zip
            rsync -uar --delete-after dot-files-master/{.,}* "${HOME}"
            cd "${HOME}" || true;
            bash .dotfiles/.dotfiles_setup.sh install
            cd .. || true;
            find "${HOME}/.config/" -type f -name '*.xml' -prune | while read -r FILE;
                do sed -i "s/mmphego/${USER}/g" "${FILE}";
            done
        fi
    fi
}

MiscConfigs() {
    # add your user to the dialout group so it can access the tty device for the serial connection
    sudo adduser $USER dialout
}
Cleanup() {
    echon
    cecho "${red}" "Note that some of these changes require a logout/restart to take effect."
    echon

    sudo apt clean && rm -rf -- *.deb* *.gpg* *.py*
    if [[ -z "${TRAVIS}" ]]; then
        cechon "${red}" "Check for and install available Debian updates, install, and automatically restart? (y/n)?: "
        read -r response
        if [ "$response" != "${response#[Yy]}" ] ;then
            sudo apt-get -y --allow-unauthenticated upgrade && \
            sudo apt-get clean && sudo apt-get autoclean && \
            sudo apt-get autoremove
        fi
        if [ "$(lsb_release -c -s)" == "bionic" ] && [[ "$(uname -r)" > "4.15" ]]; then
            cecho "${green}" "Upgrading Ubuntu 18.04 to Ubuntu 18.04.2 with new kernel version"
            sudo apt-get install -y --install-recommends linux-generic-hwe-18.04 xserver-xorg-hwe-18.04
        fi
    fi
    cecho "${cyan}" "########################## Done Cleanup #####################################"
    echon
    if [[ -z "${TRAVIS}" ]]; then
        cecho "${red}" "Note that some of these changes require a logout/restart to take effect."
        cechon "${cyan}" "Please Reboot system! (y/n): "
        read -r response
        if [[ "${response}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
            sudo shutdown -r now
        fi
    fi
}

####################################################################################################
#################################### Simplified Package Installer ##################################
####################################################################################################
main() {

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "################################# Compilers and GNU dependencies ###############################"
    cecho "${blue}" "################################################################################################"

    InstallThis g++ gettext dh-autoreconf autoconf automake clang ruby-dev ruby

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "######################################### Library dependencies ##################################"
    cecho "${blue}" "################################################################################################"

    InstallThis libcurl4-gnutls-dev libexpat1-dev libz-dev libssl-dev \
        libreadline-dev libyaml-dev zlib1g-dev libsqlite3-dev libxml2-dev \
        libxslt1-dev libcurl4-openssl-dev libffi-dev libgtk2.0-0 libtool libncurses5-dev \
        libc6-dev-amd64 libexpat-dev libtool-bin

    cecho "#{blue}" "#################################################################################################"
    cecho "#{blue}" "################################# System and Security tools #####################################"
    cecho "#{blue}" "#################################################################################################"

    InstallThis ca-certificates build-essential \
        software-properties-common apt-transport-https \
        tlp tlpui pydf balena-etcher-electron stow \
        autorandr touchpad-indicator \
        openjdk-8-jre openjdk-8-jdk

    if [[ -z "${TRAVIS}" ]]; then
        # VM tools
        InstallThis virtualbox
    fi

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "######################################### Network tools ########################################"
    cecho "${blue}" "################################################################################################"

    InstallThis autofs \
                autossh \
                bash-completion \
                ethtool \
                evince \
                gnome-calculator \
                gparted \
                openssh-server \
                sshfs \
                tree \
                wicd \
                vnstat

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "############################################ Fun tools #########################################"
    cecho "${blue}" "################################################################################################"

    InstallThis cowsay fortune-mod

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "################################ Productivity tools ############################################"
    cecho "${blue}" "################################################################################################"

    InstallThis axel \
        bison \
        bzip2 \
        chromium-browser \
        colordiff \
        coreutils \
        dict \
        dictd \
        dict-wn \
        docker-ce \
        file \
        flex \
        gawk \
        gnupg2 \
        gperf \
        grep \
        gzip \
        htop \
        inxi \
        jq \
        lzip \
        nodejs \
        openssh-server \
        python-gpg \
        ranger \
        rar \
        redshift \
        redshift-gtk \
        rsync \
        sed  \
        shellcheck \
        sqlite3 \
        terminator \
        vim \
        xz-utils

    GitInstaller
    TravisClientInstaller
    # cat for `Markdown`
    MDcatInstaller
    # See http://eradman.com/entrproject/
    EntrInstaller

    cecho "${blue}" "#################################################################################################"
    cecho "${blue}" "################################# Additional Package Managers ###################################"
    cecho "${blue}" "#################################################################################################"

    InstallThis cargo snap
    RustPackages exa

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "####################### Packages for xUbuntu/ Elementary OS  ###################################"
    cecho "${blue}" "################################################################################################"

    if [[ $(dpkg -l '*buntu-desktop' | grep ^ii | cut -f 3 -d ' ') == *"xubuntu"* ]]; then
        xUbuntuPackages
        UbuntuOSDesktop
    fi
    ElementaryOSDesktop

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "############################ Python Packages ###################################################"
    cecho "${blue}" "################################################################################################"

    PythonInstaller

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "############################ Dev Editors and tools ############################################"
    cecho "${blue}" "################################################################################################"

    InstallThis arduino \
                atom \
                code \
                sublime-text

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "############################ Cloud Storage  ####################################################"
    cecho "${blue}" "################################################################################################"

    MEGAInstaller
    DropboxInstaller

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "############################# Chat / Video Conference ##########################################"
    cecho "${blue}" "################################################################################################"

    SlackInstaller
    InstallThis guvcview

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "############################# Music, Pictures and Video ########################################"
    cecho "${blue}" "################################################################################################"

    InstallThis vlc \
        youtube-dl \
        simplescreenrecorder \
        openshot-qt \
        pinta \
        audacious

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "############################ Academic tools ####################################################"
    cecho "${blue}" "################################################################################################"

    MendeleyInstaller
    LatexInstaller
    InstallThis zotero-standalone
    # e-book reader https://babluboy.github.io/bookworm/
    InstallThis com.github.babluboy.bookworm

    cecho "${blue}" "################################################################################################"
    cecho "${blue}" "##################################### Setup ####################################################"
    cecho "${blue}" "################################################################################################"

    if command -v platformio >/dev/null ;then
        # Arduino hot fixes
        # See: https://docs.platformio.org/en/latest/faq.html#id15
        ArduinoUDevFixes;
    fi
    VSCodeSetUp;
    DockerSetUp
    GitSetUp
    RepoKeys

    cecho "${cyan}" "#################### Installation Complete ################################"
}

########################################
########### THE SETUP ##################
########################################
ReposInstaller
main
installDotfiles
MiscConfigs
if [[ $(sudo lshw | grep product | head -1) == *"XPS 15"* ]]; then
    DELL_XPS_TWEAKS
fi
Cleanup