#!/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

# 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