Theme Installer for Linux.sh

#!/bin/bash

# This Script somehow can configure my xfce4-de
# as I love to see.
# This is a part of my `iAmLazy` project
# Please push some bug-fix and help me to be lazy as always :)
# Copyrighted under MIT License
# 2019 "Rakibul Yeasin" (@dreygur)
#
# Supports:
#     * Debian
#     * Arch
#     * Fedora
#
# 12:06:2019 05:34:AM WEDNESDAY

# Colorize :D
GREEN='\033[0m\033[1;32m'
RED='\033[0m\033[1;31m'
END='\033[0m'

# Banner
echo -e "$GREEN
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
		Theme installer and autoconfig for XFCE4
		This Package installs McOS Dark theme &
		Flat-Remix icon pack on XFCE4
		Also installs Plank as Bottom-Dock

		Support for GNome, KDE, LXDE and Cinnamon
			will be added soon... :)
		
		Bug report: [email protected]
		Github: https://github.com/dreygur/iAmLazy 
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
$END"

function distro () {
	# Distro detector
	# Detects Currently Installed Distribution

	local DISTRO_NAME DISTRO_DATA DISTRO_STR
	# Checking Current Distro
	# cat /etc/*-release | grep "debian" #Outputs ID_LIKE=debian
	for line in `cat /etc/*-release`; do
		if [[ $line =~ ^(NAME|DISTRIB_ID)=(.+)$ ]]; then
			DISTRO_STR=${BASH_REMATCH[2]}
			if echo $DISTRO_STR | grep -q ['ubuntu','debian','mint']; then
				DISTRO_NAME='debian'
			elif echo $DISTRO_STR | grep -q ['fedora']; then
				DISTRO_NAME='fedora'
			elif echo $DISTRO_STR | grep -q ['arch','manjaro','antergos','parabola','anarchy']; then
				DISTRO_NAME='arch'
			fi
			break
		fi
	done
	# plain-arch installation doesn't guarantee /etc/os-release
	# but the filesystem pkg installs a blank /etc/arch-release
	if [ -z "$DISTRO_NAME" ]; then
		if [ -e /etc/arch-release ]; then
		DISTRO_NAME='arch'
		fi
	fi
	echo $DISTRO_NAME
}

function de () {
	# Desktop Environment Detector
	# Can detect 'xfce, kde, gnome and lxde'
	
	if [ "$XDG_CURRENT_DESKTOP" = "" ]; then
		desktop=$( echo "$XDG_DATA_DIRS" | tr '[A-Z]' '[a-z]' | sed 's/.*\(xfce\|kde\|gnome\|lxde\).*/\1/' )
	else
		desktop=$( echo "$XDG_CURRENT_DESKTOP" | tr '[A-Z]' '[a-z]' | sed 's/.*\(xfce\|kde\|gnome\|lxde\).*/\1/' )
	fi

	echo "$desktop" # Returns Current DE name
}

function themes () {
	# Theme installer
	# Downloads themes if not available locally

	DIR="."

	# Checks if the Script is running from the parent folder or not
	# And then decides to download the required packs or not
	if [[ `pwd` =~ 'Bash' ]]; then
		DIR='../Assets'
	elif [[ `pwd` =~ 'iAmLazy' ]]; then
		DIR="./Assets"
	else
		# Download Icon-Pack
		wget -O Flat-Remix.tar.xz "https://github.com/dreygur/iAmLazy/raw/master/Assets/Flat-Remix.tar.xz"
		# Download theme
		if [[ `de` == 'xfce' ]]; then
			# Theme for XFCE4
			wget -O McOS-MJV-Dark-XFCE-Edition-2.3.tar.gz "https://github.com/dreygur/iAmLazy/raw/master/Assets/McOS-MJV-Dark-XFCE-Edition-2.3.tar.gz"
		elif [[ `de` == 'gnome' ]]; then
			wget -O Mc-OS-MJV-Dark-Gn3.32-V.2.1.tar.xz "https://github.com/dreygur/iAmLazy/raw/master/Assets/Mc-OS-MJV-Dark-Gn3.32-V.2.1.tar.xz"
		fi
		# Downloads Walpaper
		wget -O xubuntu-development.png "https://github.com/dreygur/iAmLazy/raw/master/Assets/xubuntu-development.png"
		# Downloads Plank Theme
		wget -O dock.theme "https://github.com/dreygur/iAmLazy/raw/master/Assets/dock.theme"
	fi

	if [[ ! -e $HOME/.themes ]]; then
		mkdir $HOME/.themes
	fi

	if [[ ! -e $HOME/.icons ]]; then
		mkdir $HOME/.icons
	fi
	
	if [[ ! -e $HOME/.backdrops ]]; then
		mkdir $HOME/.backdrops
	fi

	# Installs Flat-Remix icon pack
	cp -f $DIR/Flat-Remix.tar.xz $HOME/.icons/
	tar -xf $HOME/.icons/Flat-Remix.tar.xz -C $HOME/.icons/

	# Installs McMojave-circle-black icon pack
	cp -f $DIR/McMojave-circle-black.tar.xz $HOME/.icons/
	tar -xf $HOME/.icons/McMojave-circle-black.tar.xz -C $HOME/.icons/

	# Installs McOS-Dark Theme
	if [[ `de` == 'xfce' ]]; then
		cp -f $DIR/McOS-MJV-Dark-XFCE-Edition-2.3.tar.gz $HOME/.themes/
		tar -xf $HOME/.themes/McOS-MJV-Dark-XFCE-Edition-2.3.tar.gz -C $HOME/.themes/
		# Clean the Directories
		if [[ $DIR == '.' ]]; then
			rm McOS-MJV-Dark-XFCE-Edition-2.3.tar.gz
			# rm Flat-Remix.tar.xz
			rm xubuntu-development.png
			rm McMojave-circle-black.tar.xz
		fi
		rm $HOME/.themes/McOS-MJV-Dark-XFCE-Edition-2.3.tar.gz
	elif [[ `de` == 'gnome' ]]; then
		cp -f $DIR/Mc-OS-MJV-Dark-Gn3.32-V.2.1.tar.xz $HOME/.themes/
		tar -xf $HOME/.themes/Mc-OS-MJV-Dark-Gn3.32-V.2.1.tar.xz -C $HOME/.themes/
		# Clean the Directories
		if [[ $DIR == '.' ]]; then
			rm Mc-OS-MJV-Dark-Gn3.32-V.2.1.tar.gz
			# rm Flat-Remix.tar.xz
			rm xubuntu-development.png
			rm McMojave-circle-black.tar.xz
		fi
		rm $HOME/.themes/Mc-OS-MJV-Dark-Gn3.32-V.2.1.tar.xz
	fi
	
	# The Walpaper
	cp $DIR/xubuntu-development.png $HOME/.backdrops

	# Clean the Directories
	rm $HOME/.icons/Flat-Remix.tar.xz
}

function install_plank () {
	# Install Plank

	echo -e "Installing Plank...\n"
	if [[ `distro` == 'debian' ]]; then
		sudo add-apt-repository ppa:ricotz/docky -y
		sudo apt-get update -y
		sudo apt-get install -y plank
	elif [[ `distro` == 'arch' ]]; then
		sudo pacman -Syu plank --noconfirm
	elif [[ `distro` == 'fedora' ]]; then
		sudo yum update -y
		sudo yum install -y plank
	fi

	# Plank Desktop Entry
	mkdir -p $HOME/.config/autostart
	sudo cp /usr/share/applications/plank.desktop $HOME/.config/autostart/ # For Current User
	# sudo cp /usr/share/applications/plank.desktop /etc/xdg/autostart/ # For all Users

	# Plank Theme
	mkdir $HOME/.local/share/plank/theme/Transparent-2.0.0
	cp $DIR/dock.theme $HOME/.local/share/plank/theme/Transparent-2.0.0/

	echo -e "Starting \"Plank\"\n"
	# /usr/bin/plank & disown
	setsid /usr/bin/plank </dev/null &>/dev/null & # Starts the plank executable in a new shell to skip showing outputs to stdout
}

function xfce_config () {
	# Configuration function for XFCE
	# Only works on XFCE4

	# Configure Theme
	xfconf-query -c xsettings -p /Net/ThemeName -s "McOS-MJV-Dark-XFCE-Edition-2.3"

	# Configure Icon
	# xfconf-query -c xsettings -p /Net/IconThemeName -s "Flat-Remix-Blue-Dark"
	xfconf-query -c xsettings -p /Net/IconThemeName -s "McMojave-circle-black"

	# Configure Window manager
	xfconf-query -c xfwm4 -p /general/theme -s "McOS-MJV-Dark-XFCE-Edition-2.3"
	xfconf-query -c xfwm4 -p /general/inactive_opacity -s "100"

	# Configure Thunar
	xfconf-query -c thunar -p /last-view -s "ThunarIconView"
	xfconf-query -c thunar -p /last-icon-view-zoom-level -s "THUNAR_ZOOM_LEVEL_NORMAL"
	xfconf-query -c thunar -p /last-location-bar -s "ThunarLocationButtons"
	
	# Configure Desktop
	xfconf-query -c xfce4-desktop --create -p /backdrop/screen0/monitor0/workspace0/last-image -s "/usr/share/xfce4/backdrops/xubuntu-development.png"
	xfconf-query -c xfce4-desktop -p /desktop-icons/file-icons/show-filesystem -s "false"
	xfconf-query -c xfce4-desktop -p /desktop-icons/file-icons/show-removable -s "false"
	xfconf-query -c xfce4-desktop -p /desktop-icons/style -s "2"

	# Configure Panel
	xfconf-query -c xfce4-panel -p /panels/panel-0/position -s "p=6;x=0;y=0"
	xfconf-query -c xfce4-panel -p /panels/panel-0/length -t "uint" -s "100"
	xfconf-query -c xfce4-panel -p /panels/panel-0/position-locked -t "bool" -s "true"

	# Arrange Icons & Reload the Desktop
	xfdesktop --arrange
	xfdesktop --reload
}

function gnome_config() {
	# Configuration Function for Gnome
	# Only works for Gnome3
	
	# Installing gnome-shell
	if [[ `distro` == 'debian' ]]; then
		sudo apt-get install -y gnome-shell-extensions chrome-gnome-shell
	elif [[ `distro` == 'arch' ]]; then
		sudo pacman -S gnome-shell-extensions chrome-gnome-shell --noconfirm
	elif [[ `distro` == 'fedora' ]]; then
		sudo dnf install -y gnome-shell-extensions chrome-gnome-shell
	fi
	
	# Set the Desktop Background
	gsettings set org.gnome.desktop.background picture-options 'centered'
	gsettings set org.gnome.desktop.background picture-uri "$HOME/.backdrops/xubuntu-development.png"
	
	# Set Theme
	# sudo cp $HOME/.local/share/gnome-shell/extensions/[email protected]/schemas/org.gnome.shell.extensions.user-theme.gschema.xml /usr/share/glib-2.0/schemas
	# sudo glib-compile-schemas /usr/share/glib-2.0/schemas
	gsettings set org.gnome.shell.extensions.user-theme name "Mc-OS-MJV-Dark-Gn3.32-V.2.1"
	gsettings set org.gnome.desktop.interface gtk-theme "Mc-OS-MJV-Dark-Gn3.32-V.2.1"
	
	# Set window manager
	gsettings set org.gnome.desktop.wm.preferences theme "Mc-OS-MJV-Dark-Gn3.32-V.2.1"
	gsettings set org.gnome.desktop.wm.preferences button-layout "close,minimize,maximize:" # Mac-like window manager
	
	# Set icon pack
	# gsettings set org.gnome.desktop.interface icon-theme "Flat-Remix-Blue-Dark"
	gsettings set org.gnome.desktop.interface icon-theme "McMojave-circle-black"
}

echo -e "Hello ${RED}`whoami`${END},\nHow do you feel???\n"

echo -e "Installing GTK3.0 and Icon themes.\nBe patient..."
themes # Themes Function
echo -e "\nThemes installed.\nTweaking your Desktop Environment...\n"

# Installing Plank
install_plank
if [[ `de` == 'xfce' ]]; then
	echo -e "Detected XFCE Desktop Environment...\n"
	xfce_config
elif [[ `de` == 'kde' ]]; then
	echo "KDE Plasma is not yet supported..."
	exit 21
elif [[ `de` == 'gnome' ]]; then
	echo -e "Detected Gnome Desktop Environment...\n"
	gnome_config
elif [[ `de` == 'lxde' ]];then
	echo "LXDE is not yet supported..."
	exit 23
else
	echo "Your Current DE is not yet supported..."
	exit 20
fi

echo -e "\nDone!!!\nCan you please thank me?! :(\n"

echo -e "You better reboot your system now.\nShould I do it for you? [Y/n]\n"
read confirmaton
if [[ ${confirmaton,,} == 'y' ]]; then
	echo -e "Rebooting...\n"
	sleep 3; reboot
fi

# Close the process
exit