post_install_arch.sh

#!/bin/bash

if [[ $EUID -ne 0 ]]; then
	echo "This script must be run as root!"
	exit 1
fi

# Synchronizes the repository databases and updates the system's packages, excluding "local"
# packages
sudo pacman -Syu

# Group with basic tools required to build many packages (e.g. when installing an AUR package)
sudo pacman -S --needed base-devel
# To remove all files from the cache, use the clean switch twice, this will leave nothing in the
# cache folder
sudo pacman -Sc

# See the first items in `arch_tweaks.md` (https://gist.github.com/denis2glez/25f38c006f666c51b4d07ee64b01cd43)
# for more details.
#
# To install packages from a previously saved list of packages, while not reinstalling previously
# installed packages that are already up-to-date, run
sudo pacman -S --needed - </mnt/pkg/pkg_list.txt

# Optionally install an AUR helper.

# For instance, `yay`(https://github.com/Jguer/yay) is an AUR
# helper written in Go.
git clone https://aur.archlinux.org/yay.git
cd yay
makepkg -si

# See the first items in `arch_tweaks.md` (https://gist.github.com/denis2glez/25f38c006f666c51b4d07ee64b01cd43)
# for more details.
# To install AUR packages from a previously saved list
yay -S --needed - </mnt/pkg/foreign_pkg_list.txt