#!/bin/sh

d=/dev/sda
k="5.0"
p="syslinux"

for f in dev proc sys
do
        mkdir -p /mnt/$f
        mount -B /$f /mnt/$f
done

mkdir -p /mnt/var/db/xbps/keys
mkdir -p /mnt/usr/share
cp /var/db/xbps/keys/* /mnt/var/db/xbps/keys
cp -a /usr/share/xbps.d /mnt/usr/share

alias xi="xbps-install -r /mnt -SyU"
xi base-files busybox
for app in $(/mnt/bin/busybox --list)
do
        ln -s busybox /mnt/bin/${app}
done
xi mkinitcpio linux$k linux-firmware-amd linux-firmware-intel linux-firmware-network syslinux
xi $p
xbps-reconfigure -r /mnt -f base-files
chroot /mnt xbps-reconfigure -a

vi /mnt/etc/rc.conf
vi /mnt/etc/fstab

mkdir -p /mnt/boot/extlinux
chroot /mnt extlinux -i /boot/extlinux
dd if=/mnt/usr/lib/syslinux/mbr.bin of=$DEV
cat > /mnt/boot/extlinux/extlinux.conf << EOF
DEFAULT void

LABEL void
        LINUX /$(cd /mnt/boot && echo vmlinuz*)
        INITRD /$(cd /mnt/boot && echo initramfs*)
        APPEND quiet
EOF

umount /mnt/* /mnt