#!/usr/bin/env bash
#Check if it is UEFI
ls /sys/firmware/efi/efivars

#WIFI
wifi-menu
#OR
#ip link set wlan0 up
wpa_passphrase NETWORK_SSID >> /etc/wpa_supplicant.conf
NETWORK_PASSWORD
wpa_supplicant -B -D wext -i wlan0 -c /etc/wpa_supplicant.conf
dhclient wlan0

#Check internet
ping archlinux.org

#Check time - not important
timedatectl set-ntp true
timedatectl status

#Set mirrors
pacman -Syy
pacman -S reflector
reflector -c "Germany" -f 12 -l 10 -n 12 --save /etc/pacman.d/mirrorlist
reflector --verbose --latest 10 --sort rate

#Format hard drive
#Four partition needed: efi root home swap
fdisk -l
cgdisk /dev/sda

#Format partitions
mkfs.vfat /dev/sdaW
mkfs.ext4 /dev/sdaX
mkfs.ext4 /dev/sdaY

#Set swap
mkswap /dev/sdaZ
swapon /dev/sdaZ

#Mount partitions
mount /dev/sdaX /mnt
mkdir /mnt/home
mount /dev/sdaY /mnt/home
mkdir -p /mnt/boot/efi
mount /dev/sdaW /mnt/boot/efi

#Install system
pacstrap /mnt base base-devel linux linux-firmware

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

#Chroot to newly build system
arch-chroot /mnt {/bin/bash}

#Set timezone
ln -sf /usr/share/zoneinfo/Region/City /etc/localtime
hwclock --systohc

#Generate locale
sed -i "s/#en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/" /etc/locale.gen
locale-gen

echo "LANG=en_US.UTF-8" > /etc/locale.conf

echo "KEYMAP=us" > /etc/vconsole.conf

#Set hostname
echo "myhostname" > /etc/hostname

#Network configuration
cat > /etc/hosts << EOF
127.0.0.1 localhost
::1       localhost
127.0.1.1 myhostname.localdomain	myhostname
EOF

systemctl enable dhcpcd

#Install bootloader
pacman -S grub efibootmgr os-prober
#os-prober ? Problems in chroot
grub-install --target=x86_64-efi  --bootloader-id=GRUB --efi-directory=/boot/efi
grub-mkconfig -o /boot/grub/grub.cfg

#Probably unneeded----------------------------------------------
mkdir /boot/efi/EFI/BOOT
cp /boot/efi/EFI/GRUB/grubx64.efi /boot/efi/EFI/BOOT/BOOTX64.EFI
nano /boot/efi/startup.nsh
	bcf boot add 1 fs0:\EFI\GRUB\grubx64.efi "My GRUB bootloader"
	exit
#---------------------------------------------------------------

#Set root password
passwd

#Set new user and give him root privileges
useradd -mg users -G wheel {-s /bin/bash} username
passwd username
visudo
	%wheel ALL=(ALL) ALL

#Exit chroot
exit

#Unmount partitions
umount -R /mnt

#Boot to new system
reboot