#!/bin/sh
set -e

# File systems
sgdisk --new 1::+1m --typecode 1:ef02 --new 2 /dev/sda
mkfs.ext4 /dev/sda2
mount /dev/sda2 /mnt

# Select a mirror
cp /etc/pacman.d/mirrorlist /tmp/mirrorlist
grep "\.jp" /tmp/mirrorlist > /etc/pacman.d/mirrorlist

# Install the base system
pacstrap /mnt base grub

# Generate an fstab
genfstab -U /mnt > /mnt/etc/fstab

#
cat <<_END_> /mnt/setup.sh
#!/bin/sh
set -e

# locale
sed -i -e 's/^#\(en_US\|ja_JP\)\(.UTF-8.*\)/\1\2/' /etc/locale.gen
locale-gen
echo LANG=en_US.UTF-8 > /etc/locale.conf

# Keymap
echo KEYMAP=jp106 > /etc/vconsole.conf

# Time
ln -sf /usr/share/zoneinfo/Asia/Tokyo /etc/localtime
hwclock --systohc --utc

# Initramfs
mkinitcpio -p linux

# Boot loader
grub-install --recheck /dev/sda
grub-mkconfig -o /boot/grub/grub.cfg

# Hostname
echo arch > /etc/hostname

# Network
systemctl enable dhcpcd.service

# Password
echo root:root | chpasswd
_END_

chmod +x /mnt/setup.sh
arch-chroot /mnt /setup.sh

rm /mnt/setup.sh

umount -R /mnt
#reboot
poweroff