setup.sh

#!/bin/bash
# This script configures the installed arch linux for daily use.

multilib() {

	# enable multi-lib for 32-bit apps.
	echo "" >>/etc/pacman.conf
	echo "[multilib]" >>/etc/pacman.conf
	echo "Include = /etc/pacman.d/mirrorlist" >>/etc/pacman.conf

	# refresh database.
	pacman -Syy reflector --noconfirm
	reflector --country India --protocol https --save /etc/pacman.d/mirrorlist

}

timezone() {

	# set timezone.
	ln -sf /usr/share/zoneinfo/Asia/Kolkata /etc/localtime

	# set the hardware clock from the system clock.
	hwclock --systohc

	# enable network time sync.
	timedatectl set-ntp true

}

locale() {

	# uncomment required locales from '/etc/locale.gen'.
	sed -i 's/#en_US.UTF-8/en_US.UTF-8/' /etc/locale.gen

	# generate locale.
	locale-gen

	# set system locale ~ creates 'locale.conf'.
	localectl set-locale LANG=en_US.UTF-8

	# install fonts.
	pacman -S ttf-firacode-nerd nerd-fonts noto-fonts noto-fonts-extra noto-fonts-emoji font-manager --noconfirm

}

network() {

	# create the hostname file.
	echo "arch" >/etc/hostname

	# install & enable network.
	pacman -S networkmanager network-manager-applet --noconfirm
	systemctl enable NetworkManager

	# add entries for localhost to '/etc/hosts' file.
	# ( if the system has a permanent IP address, it should be used instead of 127.0.1.1 )
	# echo -e 127.0.0.1'\t'localhost'\n'::1'\t\t'localhost'\n'127.0.1.1'\t'arch >> /etc/hosts

	# install & enable firewall.
	pacman -S ufw --noconfirm
	systemctl enable ufw

	# allow outgoing & reject incoming.
	ufw default allow outgoing
	ufw default deny incoming

}

bluetooth() {

	# install bluetooth.
	pacman -S blueman bluez bluez-utils --noconfirm
	lsmod | grep btusb
	rfkill unblock bluetooth
	systemctl enable bluetooth.service

}

audio() {

	# install audio packages.
	pacman -S pipewire lib32-pipewire wireplumber pipewire-audio pipewire-alsa pipewire-pulse sof-firmware pavucontrol alsa-utils --noconfirm

}

webcam() {

	# install webcam packages.
	pacman -S v4l-utils cameractrls --noconfirm

}

chipset() {

	# install microcode for amd.

	vendor="$(lscpu | grep 'Model name')"

	if [[ "$vendor" == *"AMD"* ]]; then
		echo "AMD CPU Found !"
		pacman -S amd-ucode --noconfirm
	fi

}

gpu() {

	# DRI driver for 3D acceleration.
	pacman -S mesa lib32-mesa --noconfirm

	vendor="$(lspci -v | grep -iE 'vga|3d|2d')"

	if [[ "$vendor" == *"AMD"* ]]; then
		echo "AMD GPU Found !"

		# DDX driver which provides 2D acceleration in Xorg
		pacman -S xf86-video-amdgpu --noconfirm

		# vulkan support
		pacman -S vulkan-radeon lib32-vulkan-radeon --noconfirm

		# accelerated video decoding
		pacman -S libva-mesa-driver lib32-libva-mesa-driver --noconfirm

		# "20-amdgpu.conf" will be copied in the config section.

	fi

}

tui() {

	# install packages for a seamless terminal workflow.
	apps=(

		'ghostty'  # terminal emulator
		'fish'     # user-friendly shell
		'fisher'   # fish package manager
		'starship' # shell prompt
		'tldr'     # concise command examples

		'exa'  # alternative to `ls`
		'bat'  # alternative to `cat`
		'tree' # list contents of dir in a tree-like format

		'btop'  # task manager
		'ncdu'  # disk util info
		'rsync' # copying tool
		'cmus'  # music player

		'git' # version control
		'github-cli'

	)

	for app in "${apps[@]}"; do
		pacman -S "$app" --noconfirm --needed
	done

	# set preset for starship prompt
	starship preset nerd-font-symbols -o ~/.config/starship.toml

	# clone suckless fork. (this command also creates .config dir as root)
	git clone https://github.com/commitsovercoffee/suckless.git /home/hope/.config/suckless

	# install suckless terminal
	# cd /home/hope/.config/suckless/st
	# make clean install
	cd "$current_dir"

	# set theme for fish shell.
	fish -c "fisher install catppuccin/fish"
	fish -c "fish_config theme save "Catppuccin Mocha""

	# set defaults.
	chsh --shell /bin/fish hope
	echo "export VISUAL=nvim" | tee -a /etc/profile
	echo "export EDITOR=nvim" | tee -a /etc/profile
	echo "export TERMINAL=st" | tee -a /etc/profile

	# set git defaults
	git config --global user.name commitsovercoffee
	git config --global user.email commitsovercoffee@gmail.com

}

editor() {

	# install packages for a seamless editor experience.
	apps=(

		# Neovim ------------------------------------------------------

		'neovim'      # text editor
		'tree-sitter' # parsing library

		'fd'      # file search
		'ripgrep' # search tool that combines the usability of ag with the raw speed of grep
		'xclip'   # clipboard manipulation tool

		# LSP & Formatter ---------------------------------------------

		'lua-language-server' # lua
		'stylua'              # lua formatter

		'bash-language-server' # bash
		'shfmt'                # bash formatter

		'vscode-html-languageserver' # html
		'vscode-css-languageserver'  # css
		'tailwind-language-server'   # tailwind

		'nodejs' # evented io for V8 js
		'pnpm'   # package manager for js

		'svelte-language-server' # svelte
		'prettier'               # html, css, js, md, bash etc formatter

		'go'      # golang
		'gopls'   # golang lsp
		'gofumpt' # golang formatter

		# install rust as per official doc
		# install rust-analyzer : rustup component add rust-analyzer

	)

	for app in "${apps[@]}"; do
		pacman -S "$app" --noconfirm --needed
	done

}

gui() {

	apps=(

		# install display server :

		'xorg-server'     # xorg display server.
		'xorg-xinit'      # xinit ~ to start xorg server.
		'xorg-xrandr'     # tui for RandR extension.
		'xorg-xclipboard' # xclipboard ~ clipboard manager.

		# install graphical utils :

		# 'picom'       # X compositor.
		'dunst'         # notification daemon.
		'xbindkeys'     # bind commands to certain keys.
		'libnotify'     # lib to send desktop notifications.
		'brightnessctl' # control brightness.
		'xautolock'     # autolocker.
		'lxrandr-gtk3'  # monitor configuration.
		'cbatticon'     # battery for systray.

		'feh'                # desktop wallpaper.
		'gnome-themes-extra' # window themes.
		'papirus-icon-theme' # icon themes.

		'xfce4-appfinder'   # alt app menu.
		'lxappearance-gtk3' # theme switcher.
		'lxinput-gtk3'      # configure keyboard & mouse.

		'pcmanfm-gtk3' # file manager.
		'firefox'      # browser.

		'obs-studio' # recording software.

	)

	for app in "${apps[@]}"; do
		pacman -S "$app" --noconfirm --needed
	done

	# install dynamic window manager.
	cd /home/hope/.config/suckless/dwm
	make clean install
	cd "$current_dir"

	# install slock.
	cd /home/hope/.config/suckless/slock
	make clean install
	cd "$current_dir"

}

users() {

	# set the root password.
	echo "Specify password for root user. This will be used to authorize root commands."
	passwd

	# add regular user.
	useradd -m -G wheel -s /bin/bash "hope"

	# set password for new user.
	echo "Specify password for regular user."
	passwd "hope"

	# enable sudo for wheel group.
	sed -i 's/# %wheel ALL=(ALL:ALL) ALL/ %wheel ALL=(ALL:ALL) ALL/' /etc/sudoers

	# create directories for user.
	pacman -S xdg-user-dirs --noconfirm
	xdg-user-dirs-update
	mkdir Batcave Jupiter Obsidian Walkman Zion
	touch memo.md

}

grub() {

	# install required packages.
	pacman -S grub efibootmgr --noconfirm

	# create directory to mount EFI partition.
	mkdir /boot/efi

	# mount the EFI partition.
	mount /dev/nvme0n1p1 /boot/efi

	# install grub.
	grub-install --target=x86_64-efi --bootloader-id=GRUB --efi-directory=/boot/efi

	# enable logs.
	sed -i 's/loglevel=3 quiet/loglevel=3/' /etc/default/grub

	# generate grub config.
	grub-mkconfig -o /boot/grub/grub.cfg

}

config() {

	# '20-amdgpu.conf'
	mv .config/20-amdgpu.conf /etc/X11/xorg.conf.d/20-amdgpu.conf

	# 'xinitrc'
	mv .config/.xinitrc /home/hope/.xinitrc

	# '.xbindkeysrc'
	mv .config/.xbindkeysrc /home/hope/.xbindkeysrc
	mv .config/.get-vol.sh /home/hope/.get-vol.sh
	chmod u+x /home/hope/.get-vol.sh

	# 'Xresources'
	mv .config/.Xresources /home/hope/.Xresources

	# 'picom'
	mkdir -p /home/hope/.config/picom
	mv .config/picom.conf /home/hope/.config/picom/picom.conf

	# 'dunst'
	mkdir -p /home/hope/.config/dunst
	mv .config/dunstrc /home/hope/.config/dunst/dunstrc

	# 'lxappearance'
	mkdir -p /home/hope/.config/gtk-3.0
	mv .config/settings.ini /home/hope/.config/gtk-3.0

	# wallpaper for 'feh'
	mkdir -p /home/hope/Pictures
	mv .config/wallpaper.jpg /home/hope/Pictures/wallpaper.jpg

	# 'ghostty'
	mkdir -p /home/hope/.config/ghostty
	mv .config/config /home/hope/.config/ghostty/config

	# 'fish'
	mkdir -p /home/hope/.config/fish/functions
	mv .config/config.fish /home/hope/.config/fish/config.fish
	mv fish_greeting.fish /home/hope/.config/fish/functions/fish_greeting.fish

	# 'starship'
	mv .config/starship.toml /home/hope/.config/starship.toml

	# 'neovim'
	mkdir -p /home/hope/.config/nvim
	mv .config/init.lua /home/hope/.config/nvim/init.lua

	# 'obs'
	mkdir -p /home/hope/.config/obs-studio
	mv .config/basic /home/hope/.config/obs-studio

	# 'cmus  theme'
	mkdir -p /home/hope/.config/cmus
	mv .config/catppuccin.theme /home/hope/.config/cmus/catppuccin.theme

	# 'touchpad'
	mv .config/30-touch.conf /etc/X11/xorg.conf.d/30-touch.conf

	# reset permissions.
	chown -R hope /home/hope/
	chown -R :hope /home/hope/

}

misc() {

	# recreate the initramfs image
	mkinitcpio -P

	# enable TRIM for SSDs.
	systemctl enable fstrim.timer

	# encryption keys
	pacman -S seahorse --noconfirm

	# bug fix ~ reinstall pambase.
	pacman -S pambase --noconfirm

	# install apps
	apps=(

		'gnome-screenshot' # screenshot tool.
		'peek'             # gif recorder.
		'gcolor3'          # color picker.

		'pcmanfm-gtk3'  # file manager.
		'unzip'         # extract/view .zip archives.
		'file-roller'   # create/modify archives.
		'mtpfs'         # read/write to MTP devices.
		'libmtp'        # MTP support.
		'gvfs'          # gnome virtual file system for mounting.
		'gvfs-mtp'      # gnome virtual file system for MTP devices.
		'android-tools' # android platform tools.
		'android-udev'  # udev rules to connect to android.

		'firefox'                   # primary browser.
		'firefox-developer-edition' # secondary browser.
		'torbrowser-launcher'       # tertiary browser.

		'gedit'     # text editor.
		'evince'    # doc viewer.
		'ristretto' # image viewer.
		'xournalpp' # pdf annotation.
		'obsidian'  # note taking.

		'inkscape' # vector art.
		'pinta'    # paint program.

		'obs-studio' # screen cast/record.
		'pitivi'     # video editor.

		'qbittorent'         # torrent client.
		'nicotine'           # soul-seek client.
		'gnome-disk-utility' # disk management.

		'mpv'    # media player.
		'handlr' # sets default apps.

	)

	for app in "${apps[@]}"; do
		pacman -S "$app" --noconfirm
	done

	# set default apps

	handlr set 'text/*' gedit.desktop
	handlr set 'audio/*' mpv.desktop
	handlr set 'video/*' mpv.desktop
	handlr set 'image/*' org.xfce.ristretto.desktop
	handlr set 'application/pdf' org.gnome.Evince.desktop

}

# mark pwd
current_dir=$PWD

# setup ...

multilib
timezone
locale
users

network
bluetooth
audio
webcam
chipset
gpu

tui
editor
gui

grub
config
misc

# clean dir & exit.
rm -r .config
rm setup.sh