install

#!/usr/bin/env bash

## Author  : Aditya Shakya
## Twitter : @adi1090x
## Github  : @adi1090x
## Reddit  : @adi1090x

## Termite style installer script

## ANSI Colors (FG & BG)
RED="$(printf '\033[31m')"  GREEN="$(printf '\033[32m')"  ORANGE="$(printf '\033[33m')"  BLUE="$(printf '\033[34m')"
MAGENTA="$(printf '\033[35m')"  CYAN="$(printf '\033[36m')"  WHITE="$(printf '\033[37m')" BLACK="$(printf '\033[30m')"
REDBG="$(printf '\033[41m')"  GREENBG="$(printf '\033[42m')"  ORANGEBG="$(printf '\033[43m')"  BLUEBG="$(printf '\033[44m')"
MAGENTABG="$(printf '\033[45m')"  CYANBG="$(printf '\033[46m')"  WHITEBG="$(printf '\033[47m')" BLACKBG="$(printf '\033[40m')"

## Directories
DIR="$(pwd)"
TERMITE_DIR="$HOME/.config/termite"

## Banner
banner () {
    clear
    echo "
    ${RED}┌──────────────────────────────────────────────────────┐
    │░░░▀█▀░█▀▀░█▀▄░█▄█░▀█▀░▀█▀░█▀▀░░░█▀▀░▀█▀░█░█░█░░░█▀▀░░│
    │░░░░█░░█▀▀░█▀▄░█░█░░█░░░█░░█▀▀░░░▀▀█░░█░░░█░░█░░░█▀▀░░│
    │░░░░▀░░▀▀▀░▀░▀░▀░▀░▀▀▀░░▀░░▀▀▀░░░▀▀▀░░▀░░░▀░░▀▀▀░▀▀▀░░│
    └──────────────────────────────────────────────────────┘
    ${ORANGE}[*] ${CYAN}By- Aditya Shakya // adi1090x"
}

## Script Termination
exit_on_signal_SIGINT () {
    { printf "${RED}\n\n%s\n" "    [*] Script interrupted." 2>&1; echo; reset_color; }
    exit 0
}

exit_on_signal_SIGTERM () {
    { printf "${RED}\n\n%s\n" "    [*] Script terminated." 2>&1; echo; reset_color; }
    exit 0
}

trap exit_on_signal_SIGINT SIGINT
trap exit_on_signal_SIGTERM SIGTERM

## Reset terminal colors
reset_color() {
	tput sgr0   # reset attributes
	tput op     # reset color
    return
}

## Prerequisite
prerequisite() {
    dependencies=(termite sed wget)
    for dependency in "${dependencies[@]}"; do
        type -p "$dependency" &>/dev/null || {
			banner
            { echo; echo ${RED}"    [!] ERROR: Could not find ${MAGENTA}'${dependency}'${RED}, is it installed?" >&2; echo; }
            { reset_color; exit 1; }
        }
    done
}

## Check for previous installation
check_prev () {
	banner
	if [[ (-L /usr/bin/termite-style) && (-d /usr/share/termite-style) ]]; then
		{ echo; echo ${GREEN}"    [!] ${MAGENTA}termite-style ${GREEN}is already installed."; }
		{ read -p ${ORANGE}"    [?] Do you wanna re-install it? (y/n): "; echo; }
		if [[ "$REPLY" =~ ^[y/Y]$ ]]; then
			install_tstyle
		else
			{ reset_color; exit; }
		fi
	else
		{ echo; install_tstyle; }
	fi
}

## Install termite style
install_tstyle () {
	echo ${ORANGE}"    [*] Installing termite-style..."
	# Delete old files
	if [[ (-L /usr/bin/termite-style) && (-d /usr/share/termite-style) ]]; then
		echo ${RED}"    [*] Deleting files from previous installation..."${BLUE}
		{ printf "    "; sudo rm -r /usr/bin/termite-style /usr/share/termite-style /usr/share/fonts/termite-style; echo; }
	fi
	# Termite config dir
	if [[ ! -d $TERMITE_DIR ]]; then
		mkdir $TERMITE_DIR
	fi
	# User Config
	if [[ -f $TERMITE_DIR/config ]]; then
		mv $TERMITE_DIR/config{,.user}
	fi
	# Copy new config
	cp $DIR/config $TERMITE_DIR
	# Coping files
	{ echo ${ORANGE}"    [*] Coping files in '/usr/share' directory"${BLUE}; }
	{ printf "    "; sudo mkdir /usr/share/termite-style; sudo mkdir /usr/share/fonts/termite-style; }
	{ sudo cp -r $DIR/colors /usr/share/termite-style/; sudo cp -r $DIR/fonts/* /usr/share/fonts/termite-style/; sudo cp -r $DIR/tstyle /usr/share/termite-style/; }
	{ sudo chmod +x /usr/share/termite-style/tstyle; sudo fc-cache; sudo ln -s /usr/share/termite-style/tstyle /usr/bin/termite-style; }

	# Verify files 
	if [[ (-L /usr/bin/termite-style) && (-d /usr/share/termite-style) ]]; then
		{ echo; echo ${GREEN}"    [*] Successfully Installed."; }
		{ echo ${GREEN}"    [*] Now You Can Run This Program By Just typing ${MAGENTA}termite-style${GREEN}."; echo; }
		{ reset_color; exit 0; }
	else
		{ echo ${RED}"    [!] Error Occured."; echo; reset_color; exit 1; }
	fi
}

prerequisite
check_prev