archlinux: Add back install scripts

Although I removed install scripts in a previous commit, with the
current structure of this repository, it makes sense to include
them once again.

.archlinux/001-preinstall

@@ -0,0 +1,33 @@
+#!/bin/sh
+#
+# This script assumes you already have an active internet connection
+# (preferably through Ethernet).
+#
+# https://wiki.archlinux.org/index.php/Installation_guide
+
+set -xe
+
+# Sync the time with one online before doing anything
+timedatectl set-ntp true
+
+# Make a DOS partition table with one primary ext4 partition and
+# enable boot for it. Then, create a primary swap partition with
+# the remaining disk space.
+parted /dev/sda mklabel msdos
+
+parted /dev/sda mkpart primary ext4 1MiB 60GiB
+
+parted /dev/sda set 1 boot on
+
+parted /dev/sda mkpart primary linux-swap 60GiB 100%
+
+# Format sda1 with ext4 and sda2 with swap
+mkfs -t ext4 /dev/sda1
+
+mkswap /dev/sda2
+
+# Enable the swap partition
+swapon /dev/sda2
+
+# Mount the newly created file system (/dev/sda1) to /mnt.
+mount /dev/sda1 /mnt

.archlinux/002-install

@@ -0,0 +1,13 @@
+#!/bin/sh
+#
+# Install the base packages to the mounted partition (the newly
+# created filesystem).
+#
+# We also install grub and fish since grub is the boot loader
+# and fish is the preferred shell.
+#
+# https://wiki.archlinux.org/index.php/Installation_guide
+
+set -xe
+
+pacstrap /mnt base base-devel grub fish

.archlinux/003-configure

@@ -0,0 +1,61 @@
+#!/bin/sh
+#
+# Once this script finishes, change the root password with passwd,
+# then unmount /mnt (with umount) and restart the system.
+#
+# https://wiki.archlinux.org/index.php/Installation_guide
+
+set -xe
+
+echo -n "Enter a hostname for this machine: "
+read HOSTNAME
+
+# Generate the fstab file (so the filesystem is mounted on boot)
+genfstab -U /mnt > /mnt/etc/fstab
+
+# Set the timezone
+arch-chroot /mnt ln -sf /usr/share/zoneinfo/America/New_York /etc/localtime
+
+# Generate /etc/adjtime
+arch-chroot /mnt hwclock --systohc
+
+# Set the hostname
+echo "$HOSTNAME" > /mnt/etc/hostname
+
+# Configure the hosts file (if your system has a permanent IP address, use that instead of 127.0.1.1)
+echo "127.0.0.1 localhost"                          >> /mnt/etc/hosts
+echo "::1       localhost"                          >> /mnt/etc/hosts
+echo "127.0.1.1 $HOSTNAME.localdomain $HOSTNAME"    >> /mnt/etc/hosts
+
+# Set the language to English and use the en_US.UTF-8 locale.
+echo "LANG=en_US.UTF-8"  > /mnt/etc/locale.conf
+echo "en_US.UTF-8 UTF-8" > /mnt/etc/locale.gen
+
+# Generate the locale.
+arch-chroot /mnt locale-gen
+
+# Explicitly set the keymap to US.
+echo "KEYMAP=us" > /mnt/etc/vconsole.conf
+
+# Change the terminal font to a larger one (`latarcyrheb-sun32` is also an option)
+echo "FONT=ter-132n" >> /mnt/etc/vconsole.conf
+
+# Install grub to the primary partition.
+arch-chroot /mnt grub-install /dev/sda
+
+# Prevent the GRUB window from showing at boot, ideal for single OS machines (undo with chroot and mkconfig)
+sed -i '/GRUB_TIMEOUT/c\GRUB_TIMEOUT=0' /mnt/etc/default/grub
+
+# This should make the startup process not output anything (not tested)
+sed -i '/GRUB_CMDLINE_LINUX_DEFAULT/c\GRUB_CMDLINE_LINUX_DEFAULT="quiet show_status=0 rd.udev.log-priority=3 loglevel=3"' /mnt/etc/default/grub
+
+# Make the configuration file for grub.
+arch-chroot /mnt grub-mkconfig -o /boot/grub/grub.cfg
+
+# Change the shell of the root account to fish.
+arch-chroot /mnt chsh -s /usr/bin/fish
+
+# Save our hardware information with mkinitcpio. This creates
+# an initial ramdisk environment that allows us to boot the
+# Linux kernel.
+arch-chroot /mnt mkinitcpio -p linux

.archlinux/004-postinstall

@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# Common post-install system configuration that doesn't involve any
+# external packages (besides fish)
+#
+# https://wiki.archlinux.org/index.php/General_recommendations
+
+set -xe
+
+echo -n "Enter a username for the local account with administrative rights: "
+read USERNAME
+
+# Start and enable the DHCP client daemon service
+systemctl start dhcpcd.service
+systemctl enable dhcpcd.service
+
+# Set the timezone with systemd, and sync it periodically with a remote server
+timedatectl set-timezone America/New_York
+timedatectl set-ntp true
+
+# Change the systemd wait time from 90s to 30s, mitigating a potential hang at shutdown
+echo "DefaultTimeoutStartSec=30s" >> /etc/systemd/system.conf
+echo "DefaultTimeoutStopSec=30s"  >> /etc/systemd/system.conf
+
+# Enable colors in pacman by uncommenting the Color line.
+sed -i '/Color/s/^#//g' /etc/pacman.conf
+
+# Give users in the wheel group permission to use sudo
+echo "%wheel ALL=(ALL) ALL" >> /etc/sudoers
+
+# Create a new user account with sudo privileges and the fish shell.
+arch-chroot /mnt useradd -m -g users -G wheel -s /usr/bin/fish "$USERNAME"
+
+# Then, set the password equal to the username (change this later).
+echo "$USERNAME:$USERNAME" | chpasswd