Arch Script Installer (for my personal use, but it's pretty configurable)

arch-install.sh

#!/usr/bin/env bash
set -e

# Configuration
#  Partitioning
DEVICE="/dev/sdd" # Please make sure it's correct, the script won't ask you for any confirmation.
FIRMWARE_MODE=auto # uefi, bios, auto
SWAP_SIZE=4096MiB

#  Time and date
TIMEZONE="Europe/Warsaw"

#  Network and connectivity
REFLECTOR=yes
REFLECTOR_COUNTRY="Poland"

BLUETOOTH=yes
BLUETOOTH_AUDIO=yes

#  Graphics Drivers
DRIVER="nouveau" # nouveau, amd, nvidia, nvidia-dkms, intel

#  Kernel
# Be aware that "nvidia" package won't work with custom kernels, use "nvidia-dkms" instead.
KERNEL="linux-zen" # linux, linux-hardened, linux-zen, linux-lts

#  Locale
LOCALE="en_US.UTF-8"
LOCALE_GEN="en_US.UTF-8 UTF-8"
KEYMAP="pl"

#  Users
USER_NAME=user
USER_PASSWORD=test
ROOT_PASSWORD=test

#  Bootloader
BOOTLOADER="grub"

#  Desktop Environment
DESKTOP_ENVIRONMENT="gnome"

#  Advanced desktop settings
DE_GNOME_PACKAGES="gnome gnome-tweaks firefox"
DE_KDE_PACKAGES="plasma konsole dolphin firefox"

# Colors
GRAY='\033[0;37m'
RED='\033[1;31m'
GREEN='\033[1;32m'
BLUE='\033[1;34m'
CYAN='\033[1;36m'
WHITE='\033[1;37m'
NC='\033[0m'

log() {
  if [ $1 = "Starting" ] || [ $1 = "Installing" ] || [ $1 = "Mounting" ] ; then
    echo -e "       ${GRAY}${1} ${WHITE}${2}"
  else
    echo -e "${WHITE}[ ${GREEN}OK ${WHITE}] ${GRAY}${1} ${WHITE}${2}"
  fi
}

error() {
  echo -e "${WHITE}[ ${RED}ERROR ${WHITE}] ${1}"
}

pac() {
  arch-chroot /mnt pacman -Syu --noconfirm --needed $1
}

echo -e "\n${BLUE}Arch Script Installer"
echo -e "   ${NC}by SocketByte\n"
read -p "Do you want to continue? [y/N] " yn
case $yn in
  [Yy]*)
    ;;
  Nn]*)
    exit
    ;;
  *)
    exit
    ;;
esac
echo -e "\n"

log "Starting" "Checking for UEFI Firmware Mode compatibility..."

# Check for UEFI firmware mode, otherwise fallback to legacy BIOS
if [ -e "/sys/firmware/efi/efivars" ]; then
  PARTITION_MODE=uefi
  log "Finished" "UEFI Firmware Mode is available."
else
  PARTITION_MODE=bios
  log "Finished" "UEFI Firmware Mode is not available, falling back to legacy BIOS mode."
fi

log "Started" "Loading keymaps. (KEYMAP=${KEYMAP})"
loadkeys $KEYMAP
log "Finished" "Loading Keymaps."
log "Started" "Enabling Network Time Protocol."
timedatectl set-ntp true
log "Finished" "Enabling Network Time Protocol."
log "Started" "Setting Timezone. (TIMEZONE=${TIMEZONE})"
timedatectl set-timezone $TIMEZONE
log "Finished" "Setting Timezone."

log "Starting" "Formatting old partitions/Cleaning up..."
if [ -d /mnt/boot ]; then
  umount /mnt/boot
  umount /mnt
fi
for v_partition in $(parted -s ${DEVICE} print|awk '/^ / {print $1}')
do
   parted -s $DEVICE rm ${v_partition}
done
log "Finished" "Formatting old partitions/Cleaning up."

PART_PRIMARY=""
if [ $PARTITION_MODE = uefi ]; then
  log "Starting" "Creating partitions... (UEFI)"
  parted -s $DEVICE "mklabel gpt mkpart efi fat32 1MiB 261MiB mkpart swap linux-swap 261MiB $SWAP_SIZE mkpart primary ext4 $SWAP_SIZE 100% set 1 esp on"
  log "Finished" "Creating partitions. (UEFI)"
  PART_PRIMARY="${DEVICE}3"
else
  log "Starting" "Creating partitions... (BIOS)"
  parted -s $DEVICE "mklabel msdos mkpart primary ext4 4MiB 512MiB mkpart primary ext4 512MiB 100% set 1 boot on"
  log "Finished" "Creating partitions. (BIOS)"
  PART_PRIMARY="${DEVICE}2"
fi

PART_BOOT="${DEVICE}1"
PART_SWAP="${DEVICE}2"

log "Starting" "Formatting boot partition... (${PART_BOOT})"
mkfs.fat -F32 $PART_BOOT
log "Finished" "Formatting boot partition."

if [ $PARTITION_MODE = uefi ]; then
  log "Starting" "Formatting swap partition... (${PART_SWAP})"
  mkswap $PART_SWAP
  log "Finished" "Formatting swap partition."
fi

log "Starting" "Formatting primary partition... (${PART_PRIMARY})"
mkfs.ext4 $PART_PRIMARY
log "Finished" "Formatting primary partition."

log "Mounting" "Primary partition... (${PART_PRIMARY})"
mount $PART_PRIMARY /mnt
log "Mounted" "Primary partition."

if [ $PARTITION_MODE = uefi ]; then
  log "Started" "Enabling Swap."
  swapon $PART_SWAP
  log "Finished" "Enabling Swap."
fi

if [ $REFLECTOR = yes ]; then
  log "Installing" "Reflector."
  pacman -Sy --noconfirm --needed "reflector"
  log "Installed" "Reflector."
  log "Starting" "Reflector Lookup Service..."
  reflector --country $REFLECTOR_COUNTRY --age 12 --protocol https --sort rate --save /etc/pacman.d/mirrorlist
  log "Finished" "Reflector Lookup Service."
fi

log "Installing" "System Software."
pacstrap /mnt base base-devel $KERNEL linux-firmware
log "Installed" "System Software."

log "Started" "Generating Fstab file."
genfstab -U /mnt >> /mnt/etc/fstab
log "Finished" "Generating Fstab file."

log "Started" "Linking zoneinfo to localtime."
arch-chroot /mnt ln -sf /usr/share/zoneinfo/${TIMEZONE} /etc/localtime
log "Finished" "Linking zoneinfo to localtime."

log "Started" "Synchronizing Hardware Clock."
arch-chroot /mnt hwclock --systohc
log "Finished" "Synchronizing Hardware Clock."

log "Starting" "Generating Localization. (${LOCALE_GEN})"
echo "${LOCALE_GEN}" > /mnt/etc/locale.gen
arch-chroot /mnt locale-gen
log "Finished" "Generating Localization."

log "Started" "Updating Localization files."
echo "LANG=${LOCALE}" > /mnt/etc/locale.conf
log "Finished" "Updating Localization files."

log "Started" "Updating VConsole Keymap."
echo "KEYMAP=${KEYMAP}" > /mnt/etc/vconsole.conf
log "Finished" "Updating VConsole Keymap."

log "Started" "Updating Hostname."
echo "archlinux" > /mnt/etc/hostname
log "Finished" "Updating Hostname."

log "Started" "Updating Hosts."
echo "127.0.0.1 localhost\n::1       localhost\n127.0.1.1 archlinux.localdomain archlinux" > /mnt/etc/hosts
log "Finished" "Updating Hosts."

log "Installing" "Recommended base packages..."
pac "sudo nano neofetch"
log "Installed" "Recommended base packages."

log "Installing" "Graphics Drivers... (${DRIVER})"
case $DRIVER in
  "nouveau")
    pac "mesa xf86-video-nouveau"
    ;;
  "nvidia")
    pac "nvidia"
    ;;
  "nvidia-dkms")
    pac "nvidia-dkms"
    ;;
  "amd")
    pac "mesa vulkan-radeon xf86-video-amdgpu libva-mesa-driver mesa-vdpau"
    ;;
  "intel")
    pac "mesa vulkan-intel xf86-video-intel"
    ;;
esac
log "Installed" "Graphics Drivers."

log "Started" "Creating and configuring users."
log "Starting" "Setting root password..."
printf "$ROOT_PASSWORD\n$ROOT_PASSWORD" | arch-chroot /mnt passwd
log "Finished" "Setting root password."
log "Started" "Adding new user. (${USER_NAME})"
arch-chroot /mnt useradd -m $USER_NAME
log "Finished" "Adding new user."
log "Starting" "Setting user password..."
printf "$USER_PASSWORD\n$USER_PASSWORD" | arch-chroot /mnt passwd $USER_NAME
log "Finished" "Setting user password."
log "Started" "Adding user to sudoers."
echo "${USER_NAME} ALL=(ALL) ALL" >> /mnt/etc/sudoers
log "Finished" "Adding user to sudoers."
log "Finished" "Creating and configuring users."

log "Installing" "GRUB and Efibootmgr..."
pac "grub efibootmgr"
log "Installed" "GRUB and Efibootmgr."

if [ $PARTITION_MODE = uefi ]; then
  log "Started" "Creating EFI boot directory."
  mkdir /mnt/boot/efi
  log "Finished" "Creating EFI boot directory."
  log "Mounting" "EFI boot partition..."
  arch-chroot /mnt mount ${PART_BOOT} /boot/efi
  log "Mounted" "EFI boot partition."

  log "Installing" "GRUB Bootloader..."
  arch-chroot /mnt grub-install --target=x86_64-efi --efi-directory=/boot/efi
  log "Installed" "GRUB Bootloader."
else
  log "Installing" "GRUB Bootloader..."
  arch-chroot /mnt grub-install --target=i386-pc ${DEVICE}
  log "Installed" "GRUB Bootloader."
fi

log "Starting" "Creating GRUB configuration file..."
arch-chroot /mnt grub-mkconfig -o /boot/grub/grub.cfg
log "Finished" "Creating GRUB configuration file."

log "Starting" "Installing Desktop Environment..."
case $DESKTOP_ENVIRONMENT in
  "gnome")
    log "Started" "Installing GNOME."
    pac $DE_GNOME_PACKAGES
    log "Finished" "Installing GNOME."
    log "Started" "Installing GDM."
    pac "gdm"
    log "Finished" "Installing GDM."
    log "Enabling" "GDM Service."
    arch-chroot /mnt systemctl enable gdm.service
    log "Enabled" "GDM Service."
    ;;
  "kde")
    log "Started" "Installing KDE."
    pac $DE_KDE_PACKAGES
    log "Finished" "Installing KDE."
    log "Started" "Installing SDDM."
    pac "sddm"
    log "Finished" "Installing SDDM."
    log "Enabling" "SDDM Service."
    arch-chroot /mnt systemctl enable sddm.service
    log "Enabled" "SDDM Service."
    ;;
esac
log "Finished" "Installing Desktop Environment."

log "Installing" "NetworkManager."
pac "networkmanager"
log "Installed" "NetworkManager."

log "Enabling" "NetworkManager."
arch-chroot /mnt systemctl enable NetworkManager.service
log "Enabled" "NetworkManager."

if [ $BLUETOOTH = yes ]; then
  log "Installing" "Bluetooth Support..."
  pac "bluez bluez-utils"
  log "Installed" "Bluetooth Support."

  if [ $BLUETOOTH_AUDIO = yes ]; then
    log "Installing" "Bluetooth Audio Support..."
    pac "pulseaudio pulseaudio-bluetooth"
    log "Installed" "Bluetooth Audio Support."

    log "Enabling" "Bluetooth Audio Service."
    arch-chroot /mnt systemctl enable --user pulseaudio
    arch-chroot /mnt pulseaudio --start
    log "Enabled" "Bluetooth Audio Service."
  fi

  log "Enabling" "Bluetooth Service."
  arch-chroot /mnt systemctl enable bluetooth.service
  log "Enabled" "Bluetooth Service."
fi

log "Starting" "Updating Linux initcpio..."
arch-chroot /mnt mkinitcpio -P
log "Finished" "Updating Linux initcpio."

log "Starting" "Cleaning up..."
umount -R /mnt
log "Finished" "Cleaning up."

echo -e "${GREEN}\n\nArch Script successfully finished.\n\n"