Ubuntu (and derivatives) installation script for DJMcMayhem's V ESOLANG.

INSTALL

#!/usr/bin/env bash
#AUTHOR: harry (aHNs) <[email protected]> FC5A 6DAE AD7C F721 561A  C059 D376 6497 DD9F F961
#DESCRIPTION: Self deleting install script for V by DJMcMayhem https://github.com/DJMcMayhem/V
#checks user is root, exits if not
if [[ $(id -u) != "0" ]]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi
function v_installer {
    if [[ ! $(grep "neovim-ppa/unstable" /etc/apt/sources.list /etc/apt/sources.list.d/*) ]]; then
        add-apt-repository ppa:neovim-ppa/unstable && apt-get update
    fi
    #checks if dependencies are installed or not and installs if necessary
    read -r pip dev neo <<< $(echo $(apt-cache policy python-pip python-dev neovim | sed -n -e 's/^.*Installed: //p'))
    if [[ $neo = "(none)" ]]; then
        yes | aptdcon --hide-terminal --install neovim
    elif [[ $dev = "(none)" ]]; then
        yes | aptdcon --hide-terminal --install python-dev
    elif [[ $pip = "(none)" ]]; then
        yes | aptdcon --hide-terminal --install python-pip
        pip install neovim && pip install docopts
    fi
    #cleans up after itself
    apt-get -y autoremove && apt-get -y autoclean
    #gets directory and appends to .bashrc
    DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
    echo -e "V=$DIR\nexport V\nalias v='python \$V/main.py'\nexport NVIM_LISTEN_ADDRESS=/tmp/nvim" >> ~/.bashrc
    echo "Done Installing, shreding script" && shred -u "$0"
}
read -r -p "Do you want to install V and it's dependencies? [Y/n] " reply
case "$reply" in
    [yY] ) trap v_installer EXIT;;
    [nN] ) exit 1;;
    * ) echo -e "Invalid Response.";;
esac