archPostInstall.sh

#!/bin/bash

function getAbsFilename() {
  # $1 : relative filename
  echo "$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
}

function installAurHelper() {
	clear
	if ! command -v $1 &> /dev/null
	then
		echo "Installing $1..."
		sudo pacman -S --noconfirm --needed git
		sleep 2
		[ ! -d "$HOME/Downloads" ] && mkdir ~/Downloads
		cd ~/Downloads
		if [ "$1" == "paru" ]
		then
			sudo pacman -S --noconfirm --needed rust
		fi
		git clone "https://aur.archlinux.org/$1.git"
		cd $1
		sudo -u $(logname) makepkg --noconfirm -si
	else
		echo "$1 has already been installed!"
		sleep 2
	fi
}

function installNativePackages() {
	clear
	echo "Installing native packages in packages-list-native.txt..."
	sleep 2
	cd $1
	sudo pacman -S --noconfirm --needed - < packages-list-native.txt
}

function installForeignPackages() {
	clear
	echo "Installing foreign packages in packages-list-foreign.txt..."
	sleep 2
	cd $1
	$2 -S --noconfirm --needed - < packages-list-foreign.txt
}

function simlinkDotfiles() {
	clear
	echo "Creating directories and simlinking dotfile..."
	sleep 2
	[ ! -d "$HOME/.config" ] && mkdir $HOME/.config
	mkdir -p  $HOME/.local/{bin,share/{audio,fonts}}
	cd $1
	sudo pacman -S --noconfirm --needed stow
	make
}

function installXmonad () {
	clear
	echo "Installing xmonad as the window manager..."
	sleep 2
	if [ $3 -eq 1 ]
	then
		cd ~/.config/xmonad
		if [ -d "$HOME/.local/bin" ] ; then
			PATH="$HOME/.local/bin:$PATH"
		else
			mkdir -p ~/.local/bin
			PATH="$HOME/.local/bin:$PATH"
		fi
		sudo pacman -S --noconfirm --needed stack
		stack upgrade
		[ -f "stack.yaml" ] && rm stack.yaml
		stack init
		stack install
		sudo ln -s $HOME/.local/bin/{xmonad,xmonad-dbus} /usr/bin
	else
		sudo pacman -S --noconfirm --needed xmonad xmonad-contrib
		$2 -S --noconfirm --needed xmonad-dbus-git
	fi

	xmonad --recompile
	echo "Setting up sddm as the login manager..."

	[ ! -d "/usr/share/xsessions" ] && sudo mkdir -p /usr/share/xsessions
	sudo cp $1/desktop/xmonad.desktop /usr/share/xsessions

	sudo pacman -S --noconfirm --needed sddm
	sudo systemctl enable sddm

	$2 -S --noconfirm --needed sddm-theme-astronaut

	sudo sh -c 'echo "[Theme]" >> /etc/sddm.conf'
	sudo sh -c 'echo "Current=astronaut" >> /etc/sddm.conf'

}

function setupZsh() {
	clear
	echo "Setting up Zsh..."
	sleep 2
	sudo pacman -S --noconfirm --needed zsh zsh-completions
	sudo pacman -S --noconfirm --needed curl wget
	if [ ! -d "$HOME/.oh-my-zsh" ]
	then
		mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh
		sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended
		mv ~/.zshrc.pre-oh-my-zsh ~/.zshrc
	fi
	sudo chsh -s $(which zsh) $(logname)

	[ ! -d "$HOME/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting" ] && git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
	[ ! -d "$HOME/.oh-my-zsh/custom/plugins/zsh-autosuggestions" ] && git clone https://github.com/zsh-users/zsh-autosuggestions.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
}

function installDoomEmacs() {
	clear
	echo "Installing doom emacs..."
	sleep 2
	sudo pacman -S --noconfirm --needed git emacs ripgrep fd
	git clone --depth 1 https://github.com/doomemacs/doomemacs ~/.emacs.d
	~/.emacs.d/bin/doom --force install
	~/.emacs.d/bin/doom sync
}

function main() {
	clear
	echo "Welcome!" && sleep 1
	cfg=`dirname $(getAbsFilename "$0")`
	helper="paru"
	xmonadOpt="y"
	zshOpt="y"
	doomOpt="y"

	echo "Would you like to install xmonad"
	read -r -p ":: [Y/n] " opt
	if [[ ( ! -z "$opt" ) && ( "$opt" == "n" || "$opt" == "N" ) ]]
	then
	   xmonadOpt="n"
	fi

	echo "Would you like to change default shell to zsh"
	read -r -p ":: [Y/n] " opt
	if [[ ( ! -z "$opt" ) && ( "$opt" == "n" || "$opt" == "N" ) ]]
	then
	   zshOpt="n"
	fi

	echo "Would you like to install doom emacs"
	read -r -p ":: [Y/n] " opt
	if [[ ( ! -z "$opt" ) && ( "$opt" == "n" || "$opt" == "N" ) ]]
	then
	   doomOpt="n"
	fi

	echo "Which AUR helper would you like to install?"
	echo "1) paru 2)yay"
	read -r -p "Default is paru(1): " opt

	if [ ! -z "$opt" ] && [ $opt -eq 2 ]
	then
		helper="yay"
	fi

	cd $cfg

	clear
	echo "Doing a system update..."
	#sudo sh -c 'echo -e "\nDefaults timestamp_timeout=-1" >> /etc/sudoers'
	sudo pacman --noconfirm -Syu
	git submodule update --remote --merge

	installNativePackages $cfg

	installAurHelper $helper
	installForeignPackages $cfg $helper

	simlinkDotfiles $cfg

	if [ "$xmonadOpt" == "y"  ]
	then
		installXmonad $cfg $helper 1
	fi

	if [ "$zshOpt" == "y" ]
	then
		setupZsh
	fi

	if [  "$doomOpt" == "y"  ]
	then
		# FIXME: this doesn't work for some reason
		installDoomEmacs
	fi

	clear
	#sudo sed '$d' -i /etc/sudoers
	echo "Installation process done!"
	echo "Restart to enjoy your new setup ;-)"
	sleep 2
}

main