make install.sh non-interactive, set dark mode as default

#/bin/bash

theme="DARK" # one of Dark, Light

if [ "$(whoami)" != "root" ]

	then echo "This script is not running as root... exiting" && exit 1

fi

cp -rv ./web/* ${installdir}/web/

if [ "$1" != "-u" ]

	then

		echo -e "\nTransmission soft theme successfully installed!\n \nWould you like to apply a soft theme now?\nWARNING: if this is an UPDATE you have to skip this!\nNOTE: if you've already installed it, to change theme just modify the " $installdir "/web/index.html following the instructions on the wiki!\n"

		PS3=': '

		options=( "Dark" "Light" "Quit" )

		select opt in "${options[@]}"

		do

			case $opt in

		    "Dark")

if [ "$1" != "-u" ];then

    if [[ $theme == "Dark" ]]; then

        sed -i '21i\\t\t<link href="./style/transmission/soft-theme.min.css" type="text/css" rel="stylesheet" />\n\t\t<link href="style/transmission/soft-dark-theme.min.css" type="text/css" rel="stylesheet" />\n' ${installdir}/web/index.html;

        echo "Soft dark theme successfully applied!";

						break;;

		    "Light")

    fi

    if [[ $theme == "Light" ]]; then

        sed -i '21i\\t\t<link href="./style/transmission/soft-theme.min.css" type="text/css" rel="stylesheet" />\n\t\t<link href="style/transmission/soft-light-theme.min.css" type="text/css" rel="stylesheet" />\n' ${installdir}/web/index.html;

        echo "Soft light theme successfully applied!";

						break;;

		     "Quit")

				 		echo 'You can always install it following the https://git.eigenlab.org/sbiego/transmission-web-soft-theme/wikis/home';

		        break;;

		      *) echo 'invalid option'

					esac

		done

    fi

fi