arch-install-ext4

gistfile1.txt

#!/bin/bash
set -uo pipefail
trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR


# if re running, unmount anything at /mnt first 
is_mounted() {
  mount | awk -v DIR="$1" '{if ($3 == DIR) { exit 0}} ENDFILE{exit -1}'
}

if is_mounted "/mnt"; then
  # cant use umount -l, as it doesnt error if the drive is "busy",  meaning parted fails below
  umount -l /mnt
fi

### Get infomation from user ###
hostname=$(dialog --stdout --inputbox "Enter hostname" 0 0) || exit 1
clear
: ${hostname:?"hostname cannot be empty"}


user="f1"
password="."

devicelist=$(lsblk -dplnx size -o name,size | grep -Ev "boot|rpmb|loop" | tac)
device=$(dialog --stdout --menu "Select installtion disk" 0 0 0 ${devicelist}) || exit 1
clear
echo "ERASING $device ... Ctrl+C to cancel.."
sleep 3s # incase I picked the wrong drive....

### Set up logging ###
exec 1> >(tee "stdout.log")
exec 2> >(tee "stderr.log")


parted --script "${device}" -- mklabel gpt \
  mkpart ESP fat32 1Mib 129MiB \
  set 1 boot on \
  mkpart primary ext4 129MiB 100%


echo "$device"

# Simple globbing was not enough as on one device I needed to match /dev/mmcblk0p1 
# but not /dev/mmcblk0boot1 while being able to match /dev/sda1 on other devices.
part_boot="$(ls ${device}* | grep -E "^${device}p?1$")"
part_root="$(ls ${device}* | grep -E "^${device}p?2$")"

echo "$part_boot"
echo "$part_root"


wipefs "${part_boot}"
wipefs "${part_root}"

mkfs.fat -F32 "${part_boot}"
mkfs.ext4 "${part_root}"


fatlabel "${part_boot}" "boot"
e2label "${part_root}" "root"
# btrfs filesystem label "${part_root}" "root"

mount "${part_root}" /mnt
mkdir /mnt/boot
mount "${part_boot}" /mnt/boot


#echo "$part_boot"
#echo "$part_root"

pacstrap /mnt base base-devel neovim networkmanager linux linux-headers zsh linux-firmware mkinitcpio nfs-utils git --noconfirm --needed
genfstab -t LABEL /mnt >> /mnt/etc/fstab
echo "${hostname}" > /mnt/etc/hostname

arch-chroot /mnt ln -sf /usr/share/zoneinfo/Europe/London /etc/localtime
arch-chroot /mnt hwclock --systohc

sed -i 's/^%wheel ALL=(ALL) NOPASSWD: ALL/# %wheel ALL=(ALL) NOPASSWD: ALL/' /mnt/etc/sudoers
sed -i 's/^# %wheel ALL=(ALL) ALL/%wheel ALL=(ALL) ALL/' /mnt/etc/sudoers

echo "en_GB.UTF-8 UTF-8" > /mnt/etc/locale.gen
echo "LANG=en_GB.UTF-8" > /mnt/etc/locale.conf
arch-chroot /mnt locale-gen

cat >>/mnt/etc/hosts <<EOF
127.0.0.1 localhost
::1 localhost
127.0.0.1 $hostname.localdomain $hostname

192.168.0.22 arch-desk
EOF

arch-chroot /mnt useradd -mU -s /usr/bin/zsh -G wheel "$user"
arch-chroot /mnt chsh -s /usr/bin/zsh

arch-chroot /mnt  echo "$user:$password" | chpasswd
arch-chroot /mnt  echo "root:$password" | chpasswd
# echo "$user:$password" | chpasswd --root /mnt
# echo "root:$password" | chpasswd --root /mnt

arch-chroot /mnt bootctl --path=/boot install

arch-chroot /mnt echo "default arch-*" > /boot/loader/loader.conf
cat > /boot/loader/entries/arch.conf<< EOF
title	Arch Linux
linux	/vmlinuz-linux
initrd	/initramfs-linux.img
options	root=${part_root} rw
EOF

arch-chroot /mnt systemctl enable NetworkManager