Improve install script

install.sh

@@ -1,33 +1,26 @@
 #!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
 
-[[ "$(whoami)" = "root" ]] && echo "Script must be run as a normal user." && exit
+[[ "$(id -u)" -eq 0 ]] && echo "Script must be run as a normal user." && exit
 
-# Colors
-GREEN="\033[1;32m"
-END="\033[0m"
+info_msg() {
+  echo -e "\n\033[1;32m${1}\033[0m"
+}
 
-## wget is for downloading TLuncher directly from their website.
-## All the other packages are java packages recommended by TLauncher
-## (They use java 8, but instead i'm installing the most recent java version).
-# Downloading packages
-pkgs=(
-  wget
-  jdk-openjdk
-  jre-openjdk
-  jre-openjdk-headless
-  java-openjfx
-)
-sudo pacman -Sy --noconfirm --needed "${pkgs[@]}"
+info_msg "Installing Packages ..."
+sudo pacman -Sy --noconfirm --needed wget git unzip jre-openjdk
 
-# Downloading TLauncher
-echo -e "\n${GREEN}Downloading TLauncher...${END}"
+info_msg "Cloning Repo ..."
+git clone https://github.com/mttomaz/tlauncher-arch.git "$HOME/tlauncher-arch"
+cd "$HOME/tlauncher-arch" || exit
 
+info_msg "Downloading TLauncher ..."
 wget https://tlauncher.org/jar -P src/
 unzip src/jar -d src/tlauncher.d
 mv src/tlauncher.d/*.jar src/tlauncher.d/tlauncher.jar
 
-# Moving TLauncher files
-echo -e "\n${GREEN}Installing TLauncher...${END}"
+info_msg "Installing TLauncher ..."
 sudo mkdir /usr/share/tlauncher
 sudo mv src/tlauncher.d/* /usr/share/tlauncher
 
@@ -35,4 +28,6 @@ sudo mv src/tlauncher /usr/bin/
 sudo mv src/tlauncher.png /usr/share/icons
 sudo mv src/tlauncher.desktop /usr/share/applications
 
-echo -e "\n${GREEN}Installation Complete!${END}"
+cd "$OLDPWD" || exit
+rm -rf "$HOME/tlauncher-arch"
+info_msg "Installation Complete!"