Script para instalar Arch Linux de forma fácil, rápido, desatendido, automatizado y personalizable

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Arch Linux es una de las distribuciones más personalizables de GNU/Linux pero cuya instalación requiere leer una buena cantidad de documentación, guías o manuales para saber que comandos ejecutar paso a paso en el prompt del sistema en el que te deja se medio de instalación. Algunos usuarios eligen una distribución como Antergos, KaOS o Manjaro con un instalalador gráfico y guiado simplemente por el hecho de no enfrentarse a la instalación de Arch Linux desde la línea de comandos. Aún así, ejecutar un comando y esperar a que termine para introducir otro es lento y requiere de atención.

Arch Linux

Linux

Hace tiempo que instalar una distribución GNU/Linux no tiene más dificultad que instalar un sistema operativo como Windows, que consiste en descargar la imagen ISO del CD o DVD, grabarla en un CD, DVD o memoria USB e iniciar el sistema con el medio. Las distribuciones aconsejadas para usuarios que provienen de Windows o macOS o no tiene muchos conocimientos informáticos poseen instaladores gráficos o basados en texto y guiados en varios pasos hasta completar la instalación en menos de media hora. Distribuciones como Ubuntu, elementary OS o Linux Mint hacen que la instalación no requiera conocimientos y sea completada con éxito por cualquier usuario.

Instalador de Debian en modo texto Instalador de Debian en modo gráfico

Instalación guíada de Debian basada en texto y gráfica

Otras distribuciones basadas en principios diferentes y usuarios a los que está destinadas con otras necesidades o preferencias puede que requieran algo más de conocimientos a cambio de realizar configuraciones más avanzadas como el particionado del disco, cifrado del disco o software que se instala. Algunas distribuciones como Arch Linux incluso no proporcionan ningún instalador.

It is targeted at the proficient GNU/Linux user, or anyone with a do-it-yourself attitude who is willing to read the documentation, and solve their own problems.

La instalación del sistena con Arch Linux

En Arch Linux con su forma de hacer las cosas deja al usuario el poder de personalizar el sistema completamente a sus necesidades y preferencias únicamente limitado por su determinación de conseguirlo. Solo proporciona el medio con el que iniciar la instalación que comienza con una terminal y un prompt del sistema, una guía de instalación junto con las recomendaciones generales y una de las mejores fuentes de información en GNU/Linux además de completa de cada aspecto que necesitemos en la instalación. Después de haber leído las páginas relevantes de la wiki de Arch Linux, seguramente más de una y dos veces, hasta comprenderla en su mayor parte se empieza a realizar la receta que contenga los comandos necesarios hasta completar la instalación.

En multitud de blogs y vídeos de YouTube hay guías que contienen los comandos y las explicaciones necesarias. Cualquier usuario de Arch Linux con un blog seguramente ha publicado un artículo con su guía de instalación (sí, yo también publiqué la mía). Un usuario que quiera instalar Arch Linux debe leer varios de esos artículos además de la guía oficial de instalación. Según la filosofía de Arch Linux este proceso de aprendizaje se considera necesario y permite una mayor comprensión del sistema.

Pero saber los comandos que hay que introducir para realizar la instalación de Arch Linux no evita tener que teclearlos uno de tras de otro y esperar a que termine el anterior para introducir el siguiente. Tampoco todas las personas tienen el tiempo para realizarlo. Varias distribuciones derivadas de Arch Linux como Antergos, KaOS o Manjaro ofrecen los instaladores gráficos y guiados más amigables que atraen a algunos usuarios buscando usar Arch Linux pero no pasar por su poco amigable proceso de instalación. Por fortuna al ser una distribución rolling release (en constante actualización) solo hay que hacer una única instalación por equipo en principio durante toda su vida de uso. Pero incluso para los usuarios de Arch Linux realizar una segunda instalación en un nuevo equipo es cansina.

Hace unos meses conocí arch-anywhere que básicamente es un script de bash, con un instalador guiado y basado en texto que hace menos laboriosa la instalación de Arch Linux de forma similar a las existentes en otras distribuciones más amigables. Sin embargo, hay un dos cosas que no me convencen de arch-anywhere, una es que no es desatendido requiriendo contestar a varias preguntas de forma interactiva, esperar a que termine ejecute algún comando según la contestación anterior y contestar a la siguiente pregunta. Otra cosa que no me convence es que usa una imagen ISO propia y no la original de Arch Linux. Por lo demás, ofrece un buen nivel de personalización cubriendo las necesidades más comunes de los usuarios como personalizar el particionado, elegir el sistema de archivos, si se quiere LVM, cifrado, el entorno de escritorio (GNOME, KDE, XFCE, …), kernel, cargador de arranque (GRUB) y programas a instalar.

El instalador alis y características soportadas

Basándome en la idea de arch-anywhere y dedicando un poco de tiempo he creado un script en bash para instalar Arch Linux de forma automatizada, desatendida y personalizable hasta cierto punto aunque siendo útil para los casos de configuraciones más comunes, sin ser imprescindible leer unas decenas de páginas de la wiki de Arch Linux ni seguir ninguna guía o tutorial paso a paso. Algunas de las funcionalidades que soporta son:

  • Sistema: UEFI, BIOS
  • Almacenamiento: SATA, NVMe i MMC
  • Cifrado: partición root cifrada y no cifrada
  • Particionamiento: no LVM, LVM, LVM on LUKS, GPT on UEFI, MBR on BIOS
  • Sistema de archivos: ext4, btrfs (with subvols), xfs, f2fs, reiserfs
  • Kernels: linux, linux-lts, linux-hardened, linux-zen
  • Entorno de escritorio: GNOME, KDE, XFCE, Mate, Cinnamon, LXDE, i3-wm, i3-gaps
  • Gestor de inicio de sesión: GDM, SDDM, Lightdm, lxdm
  • Controlador gráfico: intel, nvidia y amd con opcionalmente inicio KMS. Con intel opcionalmente fastboot, aceleración de vídeo por hardware y compresión de framebuffer.
  • Cargador de arranque: GRUB, rEFInd, systemd-boot
  • Shell personalizado: bash, zsh, dash, fish
  • Red inalámbrica WIFI en la instalación
  • TRIM periódico para almacenamiento SSD
  • Microcódigo de procesador para Intel y AMD
  • Archivo swap opcional
  • VirtualBox guest additions
  • Conpresión del Kernel compression y parámetros personalizados
  • Creación de usuarios y adición a grupo sudoers
  • Habilitar y deshabilitar units de systemd
  • Soporte Multilib
  • Instalación de paquetes
  • Instalación de utilidad Flatpak e instalación de paquetes Flatpak
  • Instalación de utilidad SDKMAN e installation de paquetes SDKMAN
  • Instalación de utilidad AUR (paru, yay, aurman) e installation de paquetes AUR
  • Instalación de paquetes después de la inatalación del sistema base (forma preferida para la instalación de paquetes)
  • Script para la descarga, scripts de recuperación y archivos de configuración
  • Reintento de descarga de paquetes al haber errores de conexión on espejo
  • Soporte Packer para pruebas en VirtualBox
  • Tradas de instalación con todos los comandos ejecutados y su salida en un archivo o vídeo de asciinema
  • Espera después de la instalación para un reinicio abortable
  • Posibilidad de crear un fork y usar configuración propia

La forma aconsejada de instalar Arch Linux es aprendiendo cuales son los comandos a ejecutar y que hace cada uno de ellos, primero lee la guía oficial de instalación de Arch Linux y comprende que hacen los comandos del script. Este script no es oficial y por ello en el foro de Arch Linux en español o en inglés no podrán darte soporte aunque yo en los comentarios de este artículo te ayudaré si preguntas. Ten en cuenta que este script elimina toda la información del dispositivo de instalación. Si lo pruebas deja un comentario al final de artículo.

Iniciado el sistema con la imagen ISO de Arch Linux de instalación, hay que descargar el script, editar algunas variables de entorno para la configuración de alis e iniciar el proceso de instalación. Dependiendo del entorno de escritorio preferido, si se desea LVM, el tipo del sistema de archivos, si se desea cifrar el sistema de archivos y paquetes a instalar los valores de las variables variarán según las preferencias que inicialmente tienes unos valores comunes. Dos variables que hay que modificar al menos son USER_NAME y USER_PASSWORD con el nombre del usuario y su contraseña que vaya a utilizar el sistema.

El tiempo requerido de instalación varía según el ancho de banda de la conexión a internet y del tipo de almacenamiento, en mi caso con ADSL con una descarga de 1.2 MiB/s y SSD la instalación del sistema base sin entorno de escritorio me tarda aproximandamente 10 minutos. Con una conexión de fibra tardará sensiblemente menos tiempo. El script de instalación contiene con los mismos comandos que serían necesarios para realizar la instalación manualmente de forma interactiva.

Aunque no se utilice alis, el código bash del script puede verse como documentación ejecutable o como referencia si se opta por hacer la instalación manualmente. Contiene los mismos comandos que un usuario ejecutaría manualmente uno detrás de otro en una instalación interactiva. alis es un script que permite hacer la instalación de Arch Linux de forma desatendida, automatizada y personalizable de Arch Linux.

Estos son los comandos de uso de alis y su archivo de configuración con el que personalizar la instalación.

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# loadkeys es
# curl -sL https://bit.ly/2F3CATp | bash
# vim alis.conf
# ./alis.sh
alis-install.sh
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# Arch Linux Install Script (alis) configuration file
#
# Some variables values are preceded by a ! character, this means that the value is ignored.
# Some variables accept a single value others accept multiple values as annotated in the comments.
# Some variables are boolean with a value of true or false.
#
# Read the Arch Linux wiki pages to learn more about the variables values.
# https://github.com/picodotdev/alis/blob/master/README.md

# init
## KEYS sets keyboard layout.
## LOG generates a log file with the commands executed and output generated during installation.
### The log file is saved to /var/log/alis.log.
KEYS="es"
LOG="false"

# partition
## DEVICE sets which is the device for the installation.
## DEVICE_TRIM sets if the DEVICE device supports TRIM feature.
## LVM sets if the DEVICE is partitioned with LVM partition scheme.
## LUKS_PASSWORD and LUKS_PASSWORD_RETYPE if set is the password for encrypt the device. With LVM, LVM on LUKS is used. If "ask" password alis asks for a secure password.
## FILE_SYSTEM_TYPE root device is formatted with this file system type.
## SWAP_SIZE swap file size with a size of the value in megabytes. If no value no swap file is created.
## PARTITION_MODE how partition is performed on DEVICE.
### "auto" value deletes all existing partitions and creates a boot partition and a root partition using disk full size.
### Warning! all disk data will be lost, so backup existing data before.
### "custom" value allows to use a custom parted partition script.
### "manual" allows to specify which existing partitions are used for boot partition and root partition.
DEVICE="/dev/sda !/dev/nvme0n1 !/dev/mmcblk0" # sata nvme mmc (single)
DEVICE_TRIM="true"
LVM="false"
LUKS_PASSWORD=""
LUKS_PASSWORD_RETYPE=""
FILE_SYSTEM_TYPE="ext4 !btrfs !xfs !f2fs !reiserfs" # (single)
SWAP_SIZE="!2048 !4096 !8192" # (single)
PARTITION_MODE="auto !custom !manual"
PARTITION_CUSTOM_PARTED_UEFI="mklabel gpt mkpart ESP fat32 1MiB 512MiB mkpart root $FILE_SYSTEM_TYPE 512MiB 100% set 1 esp on"
PARTITION_CUSTOM_PARTED_BIOS="mklabel msdos mkpart primary ext4 4MiB 512MiB mkpart primary $FILE_SYSTEM_TYPE 512MiB 100% set 1 boot on"
PARTITION_CUSTOMMANUAL_BOOT="!/dev/sda1 !/dev/nvme0n1p1 !/dev/mmcblk0p1"
PARTITION_CUSTOMMANUAL_ROOT="!/dev/sda2 !/dev/nvme0n1p2 !/dev/mmcblk0p2"

# network_install
## Variables to setup the WIFI connection to internet.
## The WIFI interface, WIFI ESSID identifier and WIFI password must be specified. If "ask" password alis asks for a secure password.
## PING_HOSTNAME is the host to check the internet connection.
WIFI_INTERFACE=""
WIFI_ESSID=""
WIFI_KEY="ask"
WIFI_KEY_RETYPE="ask"
PING_HOSTNAME="mirrors.kernel.org"

# install
## REFLECTOR allows to use reflector utility to use the best mirrors for packages download.
## REFLECTOR_COUNTRIES is an array of countries to select mirrors from.
## PACMAN_MIRROR if reflector is not used this specific mirror is used.
## KERNELS additional kernels and headers to install.
## KERNELS_COMPRESSION selects de algorithm for kernel compression.
## KERNELS_PARAMETERS specific kernel parameters to set on boot. eg. iommu=soft
REFLECTOR="false"
REFLECTOR_COUNTRIES=("Spain")
PACMAN_MIRROR="https://mirrors.kernel.org/archlinux/\$repo/os/\$arch"
KERNELS="!linux-lts !linux-lts-headers !linux-hardened !linux-hardened-headers !linux-zen !linux-zen-headers" # (multiple)
KERNELS_COMPRESSION="!gzip !bzip2 !lzma !xz !lzop !lz4 zstd"
KERNELS_PARAMETERS=""

# display driver
## DISPLAY_DRIVER installs a specific display driver, you must know which brand is the graphics hardware.
## Other variables activates some features if are supported for the DISPLAY_DRIVER.
DISPLAY_DRIVER="!intel !amdgpu !ati !nvidia !nvidia-lts !nvidia-dkms !nvidia-390xx !nvidia-390xx-lts !nvidia-390xx-dkms !nouveau" # (single)
KMS="true"
FASTBOOT="true"
FRAMEBUFFER_COMPRESSION="true"
DISPLAY_DRIVER_DDX="false"
VULKAN="true"
DISPLAY_DRIVER_HARDWARE_ACCELERATION="true"
DISPLAY_DRIVER_HARDWARE_ACCELERATION_INTEL="intel-media-driver !libva-intel-driver" # (single)

# config
## Some variables for system configuration, from timezone, locale and keyboard to the root password.
## ROOT_PASSWORD root user password. If "ask" password alis asks for a secure password.
TIMEZONE="/usr/share/zoneinfo/Europe/Madrid"
LOCALES=("es_ES.UTF-8 UTF-8" "en_US.UTF-8 UTF-8")
LOCALE_CONF=("LANG=es_ES.UTF-8" "LANGUAGE=es_ES:es:en_US:en")
KEYMAP="KEYMAP=es"
KEYLAYOUT="es"
KEYMODEL=""
KEYVARIANT=""
KEYOPTIONS=""
FONT=""
FONT_MAP=""
HOSTNAME="archlinux"
ROOT_PASSWORD="ask"
ROOT_PASSWORD_RETYPE="ask"

# user
## USER_NAME, USER_PASSWORD Regular user to create in the system. A password must be specified, if "ask" password alis asks for a secure password.
## ADDITIONAL_USERS is an array of additional users to create in the system, if "ask" password alis asks for a secure password.
USER_NAME="picodotdev"
USER_PASSWORD="ask"
USER_PASSWORD_RETYPE="ask"
ADDITIONAL_USERS=() # eg. ("user1=password1" "user2=password2")

## systemd-homed (experimental feature)
### SYSTEMD_HOMED "true" value requires interactivity to set user password
SYSTEMD_HOMED="false"
SYSTEMD_HOMED_STORAGE="directory !fscrypt !luks !cifs !subvolume"
SYSTEMD_HOMED_CIFS_DOMAIN=""
SYSTEMD_HOMED_CIFS_SERVICE=""

# mkinitcpio
## HOOKS are the system hooks to execute to build the initial ramdisk.
### Generally, it is not necessary to modify, alis enables or disables some hooks
### taking in account other variables values like bootloader or device encryption.
HOOKS="base !udev !usr !resume !systemd !btrfs keyboard autodetect modconf block !net !dmraid !mdadm !mdadm_udev !keymap !consolefont !sd-vconsole !encrypt !lvm2 !sd-encrypt !sd-lvm2 fsck filesystems"

# bootloader
## BOOTLOADER system boot loader.
BOOTLOADER="!grub !refind systemd" # (single)

# shell
## CUSTOM_SHELL configures an alternative custom shell interpreter.
CUSTOM_SHELL="bash !zsh !dash !fish" # (single)

# desktop
## DESKTOP_ENVIRONMENT installs a desktop environment.
DESKTOP_ENVIRONMENT="!gnome !kde !xfce !mate !cinnamon !lxde !i3-wm !i3-gaps" # (single)

# packages (all multiple)
## PACKAGES_MULTILIB configures multilib repository for pacman and install multilib packages for display driver
## PACKAGES_INSTALL installs packages on system installation, edit alis-packages.conf to select packages.
### It is recommended to install packages after base installation and reboot.
PACKAGES_MULTILIB="false"
PACKAGES_INSTALL="false"

# misc
## VAGRANT for build a VirtualBox OVA with Packer
VAGRANT="false"

# systemd
## SYSTEMD_UNITS systemd units to enable or disable.
### If preceded with a "+" unit is enabled, if preceded with "-" unit is disabled, if preceded with "!" unit is ignored (no action is performed).
### eg. "+ufw.service" to enable, "-ufw.service" to disable, "!ufw.service" to ignore
SYSTEMD_UNITS="!ufw.service !docker.service"

# reboot
## REBOOT on installation end reboots the system automatically. If "false" no reboot is performed and the user must do it explicitly.
REBOOT="true"
alis.conf

 Capturas de diferentes entornos de escritorio soportados

Estas son algunas capturas de pantalla con diferentes entornos de escritorio que he probado con VirtualBox.

GNOME KDE

Entornos de escritorio GNOME y KDE

XFCE Cinnamon

Entornos de escritorio Xfce y Cinnamon

LXDE Mate

Entornos de escritorio LXDE y Mate

Solicitud de contraseña para descifrar partición root

Solicitud de contraseña para descifrar partición root

Vídeo de instalación del sistema base con alis

El siguiente vídeo capturado con asciinema muestra como utilizando alis se instala Arch Linux en una computadora con el proceso completo de la instalación base del sistema.

Código fuente de alis

El código del instalador no es muy complicado y mucho más sencillo que otros scripts interactivos similares, al no mezclar los comandos de la instalación con los mensajes interactivos que hacen preguntas y esperan respuestas, además después de configurar las variables e iniciado el proceso de instalación la misma se realiza de forma desatendida hasta completarse sin requerir que el usuario introduzca más datos de forma interactiva.

Los comandos que he recopilado de la receta son los que ejecutaríamos uno detrás de otro partiendo el medio de instalación original de Arch Linux. La función main contiene los pasos en los que consiste la instalación, desde el particionado y cifrado del disco hasta el reinicio una vez completada la instalación, el resto de las funciones los comandos de ese paso de la instalación.

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

# Arch Linux Install Script (alis) installs unattended, automated
# and customized Arch Linux system.
# Copyright (C) 2021 picodotdev

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

# This script is hosted at https://github.com/picodotdev/alis. For new features,
# improvements and bugs fill an issue in GitHub or make a pull request.
# Pull Request are welcome!
#
# If you test it in real hardware please send me an email to pico.dev@gmail.com with
# the machine description and tell me if somethig goes wrong or all works fine.
#
# Please, don't ask for support for this script in Arch Linux forums, first read
# the Arch Linux wiki [1], the Installation Guide [2] and the General
# Recomendations [3], later compare the commands with those of this script.
#
# [1] https://wiki.archlinux.org
# [2] https://wiki.archlinux.org/index.php/Installation_guide
# [3] https://wiki.archlinux.org/index.php/General_recommendations

# Usage:
# # loadkeys es
# # iwctl --passphrase "[WIFI_KEY]" station [WIFI_INTERFACE] connect "[WIFI_ESSID]"          # (Optional) Connect to WIFI network. _ip link show_ to know WIFI_INTERFACE.
# # curl https://raw.githubusercontent.com/picodotdev/alis/master/download.sh | bash, curl https://raw.githubusercontent.com/picodotdev/alis/master/download.sh | bash -s -- -u [github user], or with URL shortener curl -sL https://bit.ly/2F3CATp | bash
# # vim alis.conf
# # ./alis.sh

# global variables (no configuration, don't edit)
ASCIINEMA=""
BIOS_TYPE=""
PARTITION_BOOT=""
PARTITION_ROOT=""
PARTITION_BOOT_NUMBER=""
PARTITION_ROOT_NUMBER=""
DEVICE_ROOT=""
DEVICE_LVM=""
LUKS_DEVICE_NAME="cryptroot"
LVM_VOLUME_GROUP="vg"
LVM_VOLUME_LOGICAL="root"
SWAPFILE="/swapfile"
BOOT_DIRECTORY=""
ESP_DIRECTORY=""
#PARTITION_BOOT_NUMBER=0
UUID_BOOT=""
UUID_ROOT=""
PARTUUID_BOOT=""
PARTUUID_ROOT=""
DEVICE_SATA=""
DEVICE_NVME=""
DEVICE_MMC=""
CPU_VENDOR=""
VIRTUALBOX=""
CMDLINE_LINUX_ROOT=""
CMDLINE_LINUX=""

CONF_FILE="alis.conf"
GLOBALS_FILE="alis-globals.conf"
LOG_FILE="alis.log"
ASCIINEMA_FILE="alis.asciinema"

RED='\033[0;31m'
GREEN='\033[0;32m'
LIGHT_BLUE='\033[1;34m'
NC='\033[0m'

function configuration_install() {
    source "$CONF_FILE"
}

function sanitize_variables() {
    DEVICE=$(sanitize_variable "$DEVICE")
    PARTITION_MODE=$(sanitize_variable "$PARTITION_MODE")
    PARTITION_CUSTOM_PARTED_UEFI=$(sanitize_variable "$PARTITION_CUSTOM_PARTED_UEFI")
    PARTITION_CUSTOM_PARTED_BIOS=$(sanitize_variable "$PARTITION_CUSTOM_PARTED_BIOS")
    PARTITION_CUSTOMMANUAL_BOOT=$(sanitize_variable "$PARTITION_CUSTOMMANUAL_BOOT")
    PARTITION_CUSTOMMANUAL_ROOT=$(sanitize_variable "$PARTITION_CUSTOMMANUAL_ROOT")
    FILE_SYSTEM_TYPE=$(sanitize_variable "$FILE_SYSTEM_TYPE")
    SWAP_SIZE=$(sanitize_variable "$SWAP_SIZE")
    KERNELS=$(sanitize_variable "$KERNELS")
    KERNELS_COMPRESSION=$(sanitize_variable "$KERNELS_COMPRESSION")
    SYSTEMD_HOMED_STORAGE=$(sanitize_variable "$SYSTEMD_HOMED_STORAGE")
    BOOTLOADER=$(sanitize_variable "$BOOTLOADER")
    CUSTOM_SHELL=$(sanitize_variable "$CUSTOM_SHELL")
    DESKTOP_ENVIRONMENT=$(sanitize_variable "$DESKTOP_ENVIRONMENT")
    DISPLAY_DRIVER=$(sanitize_variable "$DISPLAY_DRIVER")
    DISPLAY_DRIVER_HARDWARE_ACCELERATION_INTEL=$(sanitize_variable "$DISPLAY_DRIVER_HARDWARE_ACCELERATION_INTEL")
    SYSTEMD_UNITS=$(sanitize_variable "$SYSTEMD_UNITS")
}

function sanitize_variable() {
    VARIABLE=$1
    VARIABLE=$(echo $VARIABLE | sed "s/![^ ]*//g") # remove disabled
    VARIABLE=$(echo $VARIABLE | sed "s/ {2,}/ /g") # remove unnecessary white spaces
    VARIABLE=$(echo $VARIABLE | sed 's/^[[:space:]]*//') # trim leading
    VARIABLE=$(echo $VARIABLE | sed 's/[[:space:]]*$//') # trim trailing
    echo "$VARIABLE"
}

function check_variables() {
    check_variables_value "KEYS" "$KEYS"
    check_variables_boolean "LOG" "$LOG"
    check_variables_value "DEVICE" "$DEVICE"
    check_variables_boolean "DEVICE_TRIM" "$DEVICE_TRIM"
    check_variables_boolean "LVM" "$LVM"
    check_variables_equals "LUKS_PASSWORD" "LUKS_PASSWORD_RETYPE" "$LUKS_PASSWORD" "$LUKS_PASSWORD_RETYPE"
    check_variables_list "FILE_SYSTEM_TYPE" "$FILE_SYSTEM_TYPE" "ext4 btrfs xfs f2fs reiserfs"
    check_variables_list "PARTITION_MODE" "$PARTITION_MODE" "auto custom manual" "true"
    if [ "$PARTITION_MODE" == "custom" ]; then
        check_variables_value "PARTITION_CUSTOM_PARTED_UEFI" "$PARTITION_CUSTOM_PARTED_UEFI"
        check_variables_value "PARTITION_CUSTOM_PARTED_BIOS" "$PARTITION_CUSTOM_PARTED_BIOS"
    fi
    if [ "$PARTITION_MODE" == "custom" -o "$PARTITION_MODE" == "manual" ]; then
        check_variables_value "PARTITION_CUSTOMMANUAL_BOOT" "$PARTITION_CUSTOMMANUAL_BOOT"
        check_variables_value "PARTITION_CUSTOMMANUAL_ROOT" "$PARTITION_CUSTOMMANUAL_ROOT"
    fi
    if [ "$LVM" == "true" ]; then
        check_variables_list "PARTITION_MODE" "$PARTITION_MODE" "auto" "true"
    fi
    check_variables_equals "WIFI_KEY" "WIFI_KEY_RETYPE" "$WIFI_KEY" "$WIFI_KEY_RETYPE"
    check_variables_value "PING_HOSTNAME" "$PING_HOSTNAME"
    check_variables_value "PACMAN_MIRROR" "$PACMAN_MIRROR"
    check_variables_list "KERNELS" "$KERNELS" "linux-lts linux-lts-headers linux-hardened linux-hardened-headers linux-zen linux-zen-headers" "false"
    check_variables_list "KERNELS_COMPRESSION" "$KERNELS_COMPRESSION" "gzip bzip2 lzma xz lzop lz4 zstd" "false"
    check_variables_list "DISPLAY_DRIVER" "$DISPLAY_DRIVER" "intel amdgpu ati nvidia nvidia-lts nvidia-dkms nvidia-390xx nvidia-390xx-lts nvidia-390xx-dkms nouveau" "false"
    check_variables_boolean "KMS" "$KMS"
    check_variables_boolean "FASTBOOT" "$FASTBOOT"
    check_variables_boolean "FRAMEBUFFER_COMPRESSION" "$FRAMEBUFFER_COMPRESSION"
    check_variables_boolean "DISPLAY_DRIVER_DDX" "$DISPLAY_DRIVER_DDX"
    check_variables_boolean "DISPLAY_DRIVER_HARDWARE_ACCELERATION" "$DISPLAY_DRIVER_HARDWARE_ACCELERATION"
    check_variables_list "DISPLAY_DRIVER_HARDWARE_ACCELERATION_INTEL" "$DISPLAY_DRIVER_HARDWARE_ACCELERATION_INTEL" "intel-media-driver libva-intel-driver" "false"
    check_variables_value "TIMEZONE" "$TIMEZONE"
    check_variables_boolean "REFLECTOR" "$REFLECTOR"
    check_variables_value "PACMAN_MIRROR" "$PACMAN_MIRROR"
    check_variables_value "LOCALES" "$LOCALES"
    check_variables_value "LOCALE_CONF" "$LOCALE_CONF"
    check_variables_value "LANG" "$LANG"
    check_variables_value "KEYMAP" "$KEYMAP"
    check_variables_value "HOSTNAME" "$HOSTNAME"
    check_variables_value "USER_NAME" "$USER_NAME"
    check_variables_value "USER_PASSWORD" "$USER_PASSWORD"
    check_variables_equals "ROOT_PASSWORD" "ROOT_PASSWORD_RETYPE" "$ROOT_PASSWORD" "$ROOT_PASSWORD_RETYPE"
    check_variables_equals "USER_PASSWORD" "USER_PASSWORD_RETYPE" "$USER_PASSWORD" "$USER_PASSWORD_RETYPE"
    check_variables_boolean "SYSTEMD_HOMED" "$SYSTEMD_HOMED"
    if [ "$SYSTEMD_HOMED" == "true" ]; then
        check_variables_list "SYSTEMD_HOMED_STORAGE" "$SYSTEMD_HOMED_STORAGE" "directory fscrypt luks cifs subvolume" "true"

        if [ "$SYSTEMD_HOMED_STORAGE" == "fscrypt" ]; then
            check_variables_list "FILE_SYSTEM_TYPE" "$FILE_SYSTEM_TYPE" "ext4 f2fs" "true"
        fi
        if [ "$SYSTEMD_HOMED_STORAGE" == "cifs" ]; then
            check_variables_value "SYSTEMD_HOMED_CIFS_DOMAIN" "$SYSTEMD_HOMED_CIFS_DOMAIN"
            check_variables_value "SYSTEMD_HOMED_CIFS_SERVICE" "$SYSTEMD_HOMED_CIFS_SERVICE"
        fi
    fi
    check_variables_value "HOOKS" "$HOOKS"
    check_variables_list "BOOTLOADER" "$BOOTLOADER" "grub refind systemd"
    check_variables_list "CUSTOM_SHELL" "$CUSTOM_SHELL" "bash zsh dash fish"
    check_variables_list "DESKTOP_ENVIRONMENT" "$DESKTOP_ENVIRONMENT" "gnome kde xfce mate cinnamon lxde i3-wm i3-gaps" "false"
    check_variables_boolean "PACKAGES_MULTILIB" "$PACKAGES_MULTILIB"
    check_variables_boolean "PACKAGES_INSTALL" "$PACKAGES_INSTALL"
    check_variables_boolean "VAGRANT" "$VAGRANT"
    check_variables_boolean "REBOOT" "$REBOOT"
}

function check_variables_value() {
    NAME=$1
    VALUE=$2
    if [ -z "$VALUE" ]; then
        echo "$NAME environment variable must have a value."
        exit
    fi
}

function check_variables_boolean() {
    NAME=$1
    VALUE=$2
    check_variables_list "$NAME" "$VALUE" "true false"
}

function check_variables_list() {
    NAME=$1
    VALUE=$2
    VALUES=$3
    REQUIRED=$4
    if [ "$REQUIRED" == "" -o "$REQUIRED" == "true" ]; then
        check_variables_value "$NAME" "$VALUE"
    fi

    if [ "$VALUE" != "" -a -z "$(echo "$VALUES" | grep -F -w "$VALUE")" ]; then
        echo "$NAME environment variable value [$VALUE] must be in [$VALUES]."
        exit
    fi
}

function check_variables_equals() {
    NAME1=$1
    NAME2=$2
    VALUE1=$3
    VALUE2=$4
    if [ "$VALUE1" != "$VALUE2" ]; then
        echo "$NAME1 and $NAME2 must be equal [$VALUE1, $VALUE2]."
        exit
    fi
}

function check_variables_size() {
    NAME=$1
    SIZE_EXPECT=$2
    SIZE=$3
    if [ "$SIZE_EXPECT" != "$SIZE" ]; then
        echo "$NAME array size [$SIZE] must be [$SIZE_EXPECT]."
        exit
    fi
}

function warning() {
    echo -e "${LIGHT_BLUE}Welcome to Arch Linux Install Script${NC}"
    echo ""
    echo -e "${RED}Warning"'!'"${NC}"
    echo -e "${RED}This script deletes all partitions of the persistent${NC}"
    echo -e "${RED}storage and continuing all your data in it will be lost.${NC}"
    echo ""
    read -p "Do you want to continue? [y/N] " yn
    case $yn in
        [Yy]* )
            ;;
        [Nn]* )
            exit
            ;;
        * )
            exit
            ;;
    esac
}

function init() {
    print_step "init()"

    init_log
    loadkeys $KEYS
}

function init_log() {
    if [ "$LOG" == "true" ]; then
        exec > >(tee -a $LOG_FILE)
        exec 2> >(tee -a $LOG_FILE >&2)
    fi
    set -o xtrace
}

function facts() {
    print_step "facts()"

    if [ -d /sys/firmware/efi ]; then
        BIOS_TYPE="uefi"
    else
        BIOS_TYPE="bios"
    fi

    if [ -f "$ASCIINEMA_FILE" ]; then
        ASCIINEMA="true"
    else
        ASCIINEMA="false"
    fi

    DEVICE_SATA="false"
    DEVICE_NVME="false"
    DEVICE_MMC="false"
    if [ -n "$(echo $DEVICE | grep "^/dev/[a-z]d[a-z]")" ]; then
        DEVICE_SATA="true"
    elif [ -n "$(echo $DEVICE | grep "^/dev/nvme")" ]; then
        DEVICE_NVME="true"
    elif [ -n "$(echo $DEVICE | grep "^/dev/mmc")" ]; then
        DEVICE_MMC="true"
    fi

    if [ -n "$(lscpu | grep GenuineIntel)" ]; then
        CPU_VENDOR="intel"
    elif [ -n "$(lscpu | grep AuthenticAMD)" ]; then
        CPU_VENDOR="amd"
    fi

    if [ -n "$(lspci | grep -i virtualbox)" ]; then
        VIRTUALBOX="true"
    fi
}

function checks() {
    print_step "checks()"

    check_facts
}

function check_facts() {
    if [ "$BIOS_TYPE" == "bios" ]; then
        check_variables_list "BOOTLOADER" "$BOOTLOADER" "grub"
    fi
}

function prepare() {
    print_step "prepare()"

    configure_reflector
    configure_time
    prepare_partition
    ask_passwords
    configure_network
}

function configure_reflector() {
    if [ "$REFLECTOR" == "false" ]; then
        systemctl stop reflector.service
    fi
}

function configure_time() {
    timedatectl set-ntp true
}

function prepare_partition() {
    if [ -d /mnt/boot ]; then
        umount /mnt/boot
        umount /mnt
    fi
    if [ -e "/dev/mapper/$LVM_VOLUME_GROUP-$LVM_VOLUME_LOGICAL" ]; then
        umount "/dev/mapper/$LVM_VOLUME_GROUP-$LVM_VOLUME_LOGICAL"
    fi
    if [ -e "/dev/mapper/$LUKS_DEVICE_NAME" ]; then
        cryptsetup close $LUKS_DEVICE_NAME
    fi
}

function ask_passwords() {
    if [ "$LUKS_PASSWORD" == "ask" ]; then
        PASSWORD_TYPED="false"
        while [ "$PASSWORD_TYPED" != "true" ]; do
            read -sp 'Type LUKS password: ' LUKS_PASSWORD
            echo ""
            read -sp 'Retype LUKS password: ' LUKS_PASSWORD_RETYPE
            echo ""
            if [ "$LUKS_PASSWORD" == "$LUKS_PASSWORD_RETYPE" ]; then
                PASSWORD_TYPED="true"
            else
                echo "LUKS password don't match. Please, type again."
            fi
        done
    fi

    if [ -n "$WIFI_INTERFACE" -a "$WIFI_KEY" == "ask" ]; then
        PASSWORD_TYPED="false"
        while [ "$PASSWORD_TYPED" != "true" ]; do
            read -sp 'Type WIFI key: ' WIFI_KEY
            echo ""
            read -sp 'Retype WIFI key: ' WIFI_KEY_RETYPE
            echo ""
            if [ "$WIFI_KEY" == "$WIFI_KEY_RETYPE" ]; then
                PASSWORD_TYPED="true"
            else
                echo "WIFI key don't match. Please, type again."
            fi
        done
    fi

    if [ "$ROOT_PASSWORD" == "ask" ]; then
        PASSWORD_TYPED="false"
        while [ "$PASSWORD_TYPED" != "true" ]; do
            read -sp 'Type root password: ' ROOT_PASSWORD
            echo ""
            read -sp 'Retype root password: ' ROOT_PASSWORD_RETYPE
            echo ""
            if [ "$ROOT_PASSWORD" == "$ROOT_PASSWORD_RETYPE" ]; then
                PASSWORD_TYPED="true"
            else
                echo "Root password don't match. Please, type again."
            fi
        done
    fi

    if [ "$USER_PASSWORD" == "ask" ]; then
        PASSWORD_TYPED="false"
        while [ "$PASSWORD_TYPED" != "true" ]; do
            read -sp 'Type user password: ' USER_PASSWORD
            echo ""
            read -sp 'Retype user password: ' USER_PASSWORD_RETYPE
            echo ""
            if [ "$USER_PASSWORD" == "$USER_PASSWORD_RETYPE" ]; then
                PASSWORD_TYPED="true"
            else
                echo "User password don't match. Please, type again."
            fi
        done
    fi

    for I in ${!ADDITIONAL_USERS[@]}; do
        VALUE=${ADDITIONAL_USERS[${I}]}
        IFS='=' S=($VALUE)
        USER=${S[0]}
        PASSWORD=${S[1]}
        PASSWORD_RETYPE=""

        if [ "$PASSWORD" == "ask" ]; then
            PASSWORD_TYPED="false"
            while [ "$PASSWORD_TYPED" != "true" ]; do
                read -sp "Type user ($USER) password: " PASSWORD
                echo ""
                read -sp "Retype user ($USER) password: " PASSWORD_RETYPE
                echo ""
                if [ "$PASSWORD" == "$PASSWORD_RETYPE" ]; then
                    PASSWORD_TYPED="true"
                    ADDITIONAL_USERS[${I}]="${USER}=${PASSWORD}"
                else
                    echo "User ($USER) password don't match. Please, type again."
                fi
            done
        fi
    done
}

function configure_network() {
    if [ -n "$WIFI_INTERFACE" ]; then
        iwctl --passphrase "$WIFI_KEY" station $WIFI_INTERFACE connect "$WIFI_ESSID"
        sleep 10
    fi

    # only one ping -c 1, ping gets stuck if -c 5
    ping -c 1 -i 2 -W 5 -w 30 $PING_HOSTNAME
    if [ $? -ne 0 ]; then
        echo "Network ping check failed. Cannot continue."
        exit
    fi
}

function partition() {
    print_step "partition()"

    partprobe $DEVICE

    # setup
    if [ "$PARTITION_MODE" == "auto" ]; then
        PARTITION_PARTED_FILE_SYSTEM_TYPE="$FILE_SYSTEM_TYPE"
        if [ "$PARTITION_PARTED_FILE_SYSTEM_TYPE" == "f2fs" ]; then
            PARTITION_PARTED_FILE_SYSTEM_TYPE=""
        fi
        PARTITION_PARTED_UEFI="mklabel gpt mkpart ESP fat32 1MiB 512MiB mkpart root $PARTITION_PARTED_FILE_SYSTEM_TYPE 512MiB 100% set 1 esp on"
        PARTITION_PARTED_BIOS="mklabel msdos mkpart primary ext4 4MiB 512MiB mkpart primary $PARTITION_PARTED_FILE_SYSTEM_TYPE 512MiB 100% set 1 boot on"

        if [ "$BIOS_TYPE" == "uefi" ]; then
            if [ "$DEVICE_SATA" == "true" ]; then
                PARTITION_BOOT="${DEVICE}1"
                PARTITION_ROOT="${DEVICE}2"
                DEVICE_ROOT="${DEVICE}2"
            fi

            if [ "$DEVICE_NVME" == "true" ]; then
                PARTITION_BOOT="${DEVICE}p1"
                PARTITION_ROOT="${DEVICE}p2"
                DEVICE_ROOT="${DEVICE}p2"
            fi

            if [ "$DEVICE_MMC" == "true" ]; then
                PARTITION_BOOT="${DEVICE}p1"
                PARTITION_ROOT="${DEVICE}p2"
                DEVICE_ROOT="${DEVICE}p2"
            fi
        fi

        if [ "$BIOS_TYPE" == "bios" ]; then
            if [ "$DEVICE_SATA" == "true" ]; then
                PARTITION_BOOT="${DEVICE}1"
                PARTITION_ROOT="${DEVICE}2"
                DEVICE_ROOT="${DEVICE}2"
            fi

            if [ "$DEVICE_NVME" == "true" ]; then
                PARTITION_BOOT="${DEVICE}p1"
                PARTITION_ROOT="${DEVICE}p2"
                DEVICE_ROOT="${DEVICE}p2"
            fi

            if [ "$DEVICE_MMC" == "true" ]; then
                PARTITION_BOOT="${DEVICE}p1"
                PARTITION_ROOT="${DEVICE}p2"
                DEVICE_ROOT="${DEVICE}p2"
            fi
        fi
    elif [ "$PARTITION_MODE" == "custom" ]; then
        PARTITION_PARTED_UEFI="$PARTITION_CUSTOM_PARTED_UEFI"
        PARTITION_PARTED_BIOS="$PARTITION_CUSTOM_PARTED_BIOS"
    fi

    if [ "$PARTITION_MODE" == "custom" -o "$PARTITION_MODE" == "manual" ]; then
        PARTITION_BOOT="$PARTITION_CUSTOMMANUAL_BOOT"
        PARTITION_ROOT="$PARTITION_CUSTOMMANUAL_ROOT"
        DEVICE_ROOT="${PARTITION_ROOT}"
    fi

    PARTITION_BOOT_NUMBER="$PARTITION_BOOT"
    PARTITION_ROOT_NUMBER="$PARTITION_ROOT"
    PARTITION_BOOT_NUMBER="${PARTITION_BOOT_NUMBER//\/dev\/sda/}"
    PARTITION_BOOT_NUMBER="${PARTITION_BOOT_NUMBER//\/dev\/nvme0n1p/}"
    PARTITION_BOOT_NUMBER="${PARTITION_BOOT_NUMBER//\/dev\/mmcblk0p/}"
    PARTITION_ROOT_NUMBER="${PARTITION_ROOT_NUMBER//\/dev\/sda/}"
    PARTITION_ROOT_NUMBER="${PARTITION_ROOT_NUMBER//\/dev\/nvme0n1p/}"
    PARTITION_ROOT_NUMBER="${PARTITION_ROOT_NUMBER//\/dev\/mmcblk0p/}"

    # partition
    if [ "$PARTITION_MODE" == "auto" ]; then
        sgdisk --zap-all $DEVICE
        wipefs -a -f $DEVICE
        partprobe $DEVICE
    fi

    if [ "$PARTITION_MODE" == "auto" -o "$PARTITION_MODE" == "custom" ]; then
        if [ "$BIOS_TYPE" == "uefi" ]; then
            parted -s $DEVICE $PARTITION_PARTED_UEFI
            if [ -n "$LUKS_PASSWORD" ]; then
                sgdisk -t=$PARTITION_ROOT_NUMBER:8309 $DEVICE
            elif [ "$LVM" == "true" ]; then
                sgdisk -t=$PARTITION_ROOT_NUMBER:8e00 $DEVICE
            fi
        fi

        if [ "$BIOS_TYPE" == "bios" ]; then
            parted -s $DEVICE $PARTITION_PARTED_BIOS
        fi

        partprobe $DEVICE
    fi

    # luks and lvm
    if [ -n "$LUKS_PASSWORD" ]; then
        echo -n "$LUKS_PASSWORD" | cryptsetup --key-size=512 --key-file=- luksFormat --type luks2 $PARTITION_ROOT
        echo -n "$LUKS_PASSWORD" | cryptsetup --key-file=- open $PARTITION_ROOT $LUKS_DEVICE_NAME
        sleep 5
    fi

    if [ "$LVM" == "true" ]; then
        if [ -n "$LUKS_PASSWORD" ]; then
            DEVICE_LVM="/dev/mapper/$LUKS_DEVICE_NAME"
        else
            DEVICE_LVM="$DEVICE_ROOT"
        fi

        pvcreate $DEVICE_LVM
        vgcreate $LVM_VOLUME_GROUP $DEVICE_LVM
        lvcreate -l 100%FREE -n $LVM_VOLUME_LOGICAL $LVM_VOLUME_GROUP
    fi

    if [ -n "$LUKS_PASSWORD" ]; then
        DEVICE_ROOT="/dev/mapper/$LUKS_DEVICE_NAME"
    fi
    if [ "$LVM" == "true" ]; then
        DEVICE_ROOT="/dev/mapper/$LVM_VOLUME_GROUP-$LVM_VOLUME_LOGICAL"
    fi

    # format
    wipefs -a -f $PARTITION_BOOT || true
    wipefs -a -f $DEVICE_ROOT || true

    if [ "$BIOS_TYPE" == "uefi" ]; then
        mkfs.fat -n ESP -F32 $PARTITION_BOOT
    fi
    if [ "$BIOS_TYPE" == "bios" ]; then
        mkfs.ext4 -L boot $PARTITION_BOOT
    fi
    if [ "$FILE_SYSTEM_TYPE" == "f2fs" -o "$FILE_SYSTEM_TYPE" == "reiserfs" ]; then
        mkfs."$FILE_SYSTEM_TYPE" -l root $DEVICE_ROOT
    else
        mkfs."$FILE_SYSTEM_TYPE" -L root $DEVICE_ROOT
    fi

    # options
    PARTITION_OPTIONS_BOOT="defaults"
    PARTITION_OPTIONS_ROOT="defaults"

    if [ "$DEVICE_TRIM" == "true" ]; then
        PARTITION_OPTIONS_BOOT="$PARTITION_OPTIONS_BOOT,noatime"
        PARTITION_OPTIONS_ROOT="$PARTITION_OPTIONS_ROOT,noatime"
        if [ "$FILE_SYSTEM_TYPE" == "f2fs" ]; then
            PARTITION_OPTIONS_ROOT="$PARTITION_OPTIONS_ROOT,nodiscard"
        fi
    fi

    # mount
    if [ "$FILE_SYSTEM_TYPE" == "btrfs" ]; then
        mount -o "$PARTITION_OPTIONS" "$DEVICE_ROOT" /mnt
        btrfs subvolume create /mnt/root
        btrfs subvolume create /mnt/home
        btrfs subvolume create /mnt/var
        btrfs subvolume create /mnt/snapshots
        umount /mnt

        mount -o "subvol=root,$PARTITION_OPTIONS,compress=zstd" "$DEVICE_ROOT" /mnt

        mkdir /mnt/{boot,home,var,snapshots}
        mount -o "$PARTITION_OPTIONS_BOOT" "$PARTITION_BOOT" /mnt/boot
        mount -o "subvol=home,$PARTITION_OPTIONS_ROOT,compress=zstd" "$DEVICE_ROOT" /mnt/home
        mount -o "subvol=var,$PARTITION_OPTIONS_ROOT,compress=zstd" "$DEVICE_ROOT" /mnt/var
        mount -o "subvol=snapshots,$PARTITION_OPTIONS_ROOT,compress=zstd" "$DEVICE_ROOT" /mnt/snapshots
    else
        mount -o "$PARTITION_OPTIONS_ROOT" "$DEVICE_ROOT" /mnt

        mkdir /mnt/boot
        mount -o "$PARTITION_OPTIONS_BOOT" "$PARTITION_BOOT" /mnt/boot
    fi

    # swap
    if [ -n "$SWAP_SIZE" ]; then
        if [ "$FILE_SYSTEM_TYPE" == "btrfs" ]; then
            truncate -s 0 /mnt$SWAPFILE
            chattr +C /mnt$SWAPFILE
            btrfs property set /mnt$SWAPFILE compression none
        fi

        dd if=/dev/zero of=/mnt$SWAPFILE bs=1M count=$SWAP_SIZE status=progress
        chmod 600 /mnt$SWAPFILE
        mkswap /mnt$SWAPFILE
    fi

    # set variables
    BOOT_DIRECTORY=/boot
    ESP_DIRECTORY=/boot
    UUID_BOOT=$(blkid -s UUID -o value $PARTITION_BOOT)
    UUID_ROOT=$(blkid -s UUID -o value $PARTITION_ROOT)
    PARTUUID_BOOT=$(blkid -s PARTUUID -o value $PARTITION_BOOT)
    PARTUUID_ROOT=$(blkid -s PARTUUID -o value $PARTITION_ROOT)
}

function install() {
    print_step "install()"

    if [ -n "$PACMAN_MIRROR" ]; then
        echo "Server = $PACMAN_MIRROR" > /etc/pacman.d/mirrorlist
    fi
    if [ "$REFLECTOR" == "true" ]; then
        COUNTRIES=()
        for COUNTRY in "${REFLECTOR_COUNTRIES[@]}"; do
            COUNTRIES+=(--country "${COUNTRY}")
        done
        pacman -Sy --noconfirm reflector
        reflector "${COUNTRIES[@]}" --latest 25 --age 24 --protocol https --completion-percent 100 --sort rate --save /etc/pacman.d/mirrorlist
    fi

    sed -i 's/#Color/Color/' /etc/pacman.conf
    sed -i 's/#ParallelDownloads/ParallelDownloads/' /etc/pacman.conf

    pacstrap /mnt base base-devel linux linux-firmware

    sed -i 's/#Color/Color/' /mnt/etc/pacman.conf
    sed -i 's/#ParallelDownloads/ParallelDownloads/' /mnt/etc/pacman.conf

    if [ "$PACKAGES_MULTILIB" == "true" ]; then
        echo "" >> /mnt/etc/pacman.conf
        echo "[multilib]" >> /mnt/etc/pacman.conf
        echo "Include = /etc/pacman.d/mirrorlist" >> /mnt/etc/pacman.conf
        echo "" >> /mnt/etc/pacman.conf
    fi
}

function configuration() {
    print_step "configuration()"

    genfstab -U /mnt >> /mnt/etc/fstab

    if [ -n "$SWAP_SIZE" ]; then
        echo "# swap" >> /mnt/etc/fstab
        echo "$SWAPFILE none swap defaults 0 0" >> /mnt/etc/fstab
        echo "" >> /mnt/etc/fstab
    fi

    if [ "$DEVICE_TRIM" == "true" ]; then
        if [ "$FILE_SYSTEM_TYPE" == "f2fs" ]; then
            sed -i 's/relatime/noatime,nodiscard/' /mnt/etc/fstab
        else
            sed -i 's/relatime/noatime/' /mnt/etc/fstab
        fi
        arch-chroot /mnt systemctl enable fstrim.timer
    fi

    arch-chroot /mnt ln -s -f $TIMEZONE /etc/localtime
    arch-chroot /mnt hwclock --systohc
    for LOCALE in "${LOCALES[@]}"; do
        sed -i "s/#$LOCALE/$LOCALE/" /etc/locale.gen
        sed -i "s/#$LOCALE/$LOCALE/" /mnt/etc/locale.gen
    done
    for VARIABLE in "${LOCALE_CONF[@]}"; do
        #localectl set-locale "$VARIABLE"
        echo -e "$VARIABLE" >> /mnt/etc/locale.conf
    done
    locale-gen
    arch-chroot /mnt locale-gen
    echo -e "$KEYMAP\n$FONT\n$FONT_MAP" > /mnt/etc/vconsole.conf
    echo $HOSTNAME > /mnt/etc/hostname

    OPTIONS=""
    if [ -n "$KEYLAYOUT" ]; then
        OPTIONS="$OPTIONS"$'\n'"    Option \"XkbLayout\" \"$KEYLAYOUT\""
    fi
    if [ -n "$KEYMODEL" ]; then
        OPTIONS="$OPTIONS"$'\n'"    Option \"XkbModel\" \"$KEYMODEL\""
    fi
    if [ -n "$KEYVARIANT" ]; then
        OPTIONS="$OPTIONS"$'\n'"    Option \"XkbVariant\" \"$KEYVARIANT\""
    fi
    if [ -n "$KEYOPTIONS" ]; then
        OPTIONS="$OPTIONS"$'\n'"    Option \"XkbOptions\" \"$KEYOPTIONS\""
    fi

    arch-chroot /mnt mkdir -p "/etc/X11/xorg.conf.d/"
    cat <<EOT > /mnt/etc/X11/xorg.conf.d/00-keyboard.conf
# Written by systemd-localed(8), read by systemd-localed and Xorg. It's
# probably wise not to edit this file manually. Use localectl(1) to
# instruct systemd-localed to update it.
Section "InputClass"
    Identifier "system-keyboard"
    MatchIsKeyboard "on"
    $OPTIONS
EndSection
EOT

    if [ -n "$SWAP_SIZE" ]; then
        echo "vm.swappiness=10" > /mnt/etc/sysctl.d/99-sysctl.conf
    fi

    printf "$ROOT_PASSWORD\n$ROOT_PASSWORD" | arch-chroot /mnt passwd
}

function mkinitcpio_configuration() {
    print_step "mkinitcpio_configuration()"

    if [ "$KMS" == "true" ]; then
        MODULES=""
        case "$DISPLAY_DRIVER" in
            "intel" )
                MODULES="i915"
                ;;
            "nvidia" | "nvidia-lts"  | "nvidia-dkms" | "nvidia-390xx" | "nvidia-390xx-lts" | "nvidia-390xx-dkms" )
                MODULES="nvidia nvidia_modeset nvidia_uvm nvidia_drm"
                ;;
            "amdgpu" )
                MODULES="amdgpu"
                ;;
            "ati" )
                MODULES="radeon"
                ;;
            "nouveau" )
                MODULES="nouveau"
                ;;
        esac
        arch-chroot /mnt sed -i "s/^MODULES=()/MODULES=($MODULES)/" /etc/mkinitcpio.conf
    fi
    if [ "$DISPLAY_DRIVER" == "intel" ]; then
        OPTIONS=""
        if [ "$FASTBOOT" == "true" ]; then
            OPTIONS="$OPTIONS fastboot=1"
        fi
        if [ "$FRAMEBUFFER_COMPRESSION" == "true" ]; then
            OPTIONS="$OPTIONS enable_fbc=1"
        fi
        if [ -n "$OPTIONS"]; then
            echo "options i915 $OPTIONS" > /mnt/etc/modprobe.d/i915.conf
        fi
    fi

    if [ "$LVM" == "true" ]; then
        pacman_install "lvm2"
    fi
    if [ "$FILE_SYSTEM_TYPE" == "btrfs" ]; then
        pacman_install "btrfs-progs"
    fi
    if [ "$FILE_SYSTEM_TYPE" == "f2fs" ]; then
        pacman_install "f2fs-tools"
    fi
    if [ "$FILE_SYSTEM_TYPE" == "reiserfs" ]; then
        pacman_install "reiserfsprogs"
    fi

    if [ "$BOOTLOADER" == "systemd" ]; then
        HOOKS=$(echo $HOOKS | sed 's/!systemd/systemd/')
        HOOKS=$(echo $HOOKS | sed 's/!sd-vconsole/sd-vconsole/')
        if [ "$LVM" == "true" ]; then
            HOOKS=$(echo $HOOKS | sed 's/!sd-lvm2/sd-lvm2/')
        fi
        if [ -n "$LUKS_PASSWORD" ]; then
            HOOKS=$(echo $HOOKS | sed 's/!sd-encrypt/sd-encrypt/')
        fi
    else
        HOOKS=$(echo $HOOKS | sed 's/!udev/udev/')
        HOOKS=$(echo $HOOKS | sed 's/!usr/usr/')
        HOOKS=$(echo $HOOKS | sed 's/!keymap/keymap/')
        HOOKS=$(echo $HOOKS | sed 's/!consolefont/consolefont/')
        if [ "$LVM" == "true" ]; then
            HOOKS=$(echo $HOOKS | sed 's/!lvm2/lvm2/')
        fi
        if [ -n "$LUKS_PASSWORD" ]; then
            HOOKS=$(echo $HOOKS | sed 's/!encrypt/encrypt/')
        fi
    fi
    HOOKS=$(sanitize_variable "$HOOKS")
    arch-chroot /mnt sed -i "s/^HOOKS=(.*)$/HOOKS=($HOOKS)/" /etc/mkinitcpio.conf

    if [ "$KERNELS_COMPRESSION" != "" ]; then
        arch-chroot /mnt sed -i 's/^#COMPRESSION="'"$KERNELS_COMPRESSION"'"/COMPRESSION="'"$KERNELS_COMPRESSION"'"/' /etc/mkinitcpio.conf
    fi

    if [ "$KERNELS_COMPRESSION" == "bzip2" ]; then
        pacman_install "bzip2"
    fi
    if [ "$KERNELS_COMPRESSION" == "lzma" -o "$KERNELS_COMPRESSION" == "xz" ]; then
        pacman_install "xz"
    fi
    if [ "$KERNELS_COMPRESSION" == "lzop" ]; then
        pacman_install "lzop"
    fi
    if [ "$KERNELS_COMPRESSION" == "lz4" ]; then
        pacman_install "lz4"
    fi
    if [ "$KERNELS_COMPRESSION" == "zstd" ]; then
        pacman_install "zstd"
    fi
}

function display_driver() {
    print_step "display_driver()"

    PACKAGES_DRIVER=""
    PACKAGES_DRIVER_MULTILIB=""
    PACKAGES_DDX=""
    PACKAGES_VULKAN=""
    PACKAGES_VULKAN_MULTILIB=""
    PACKAGES_HARDWARE_ACCELERATION=""
    PACKAGES_HARDWARE_ACCELERATION_MULTILIB=""
    case "$DISPLAY_DRIVER" in
        "intel" )
            PACKAGES_DRIVER_MULTILIB="lib32-mesa"
            ;;
        "amdgpu" )
            PACKAGES_DRIVER_MULTILIB="lib32-mesa"
            ;;
        "ati" )
            PACKAGES_DRIVER_MULTILIB="lib32-mesa"
            ;;
        "nvidia" )
            PACKAGES_DRIVER="nvidia"
            PACKAGES_DRIVER_MULTILIB="lib32-nvidia-utils"
            ;;
        "nvidia-lts" )
            PACKAGES_DRIVER="nvidia-lts"
            PACKAGES_DRIVER_MULTILIB="lib32-nvidia-utils"
            ;;
        "nvidia-dkms" )
            PACKAGES_DRIVER="nvidia-dkms"
            PACKAGES_DRIVER_MULTILIB="lib32-nvidia-utils"
            ;;
        "nvidia-390xx" )
            PACKAGES_DRIVER="nvidia-390xx"
            PACKAGES_DRIVER_MULTILIB=""
            ;;
        "nvidia-390xx-lts" )
            PACKAGES_DRIVER="nvidia-390xx-lts"
            PACKAGES_DRIVER_MULTILIB=""
            ;;
        "nvidia-390xx-dkms" )
            PACKAGES_DRIVER="nvidia-390xx-dkms"
            PACKAGES_DRIVER_MULTILIB=""
            ;;
        "nouveau" )
            PACKAGES_DRIVER_MULTILIB="lib32-mesa"
            ;;
    esac
    if [ "$DISPLAY_DRIVER_DDX" == "true" ]; then
        case "$DISPLAY_DRIVER" in
            "intel" )
                PACKAGES_DDX="xf86-video-intel"
                ;;
            "amdgpu" )
                PACKAGES_DDX="xf86-video-amdgpu"
                ;;
            "ati" )
                PACKAGES_DDX="xf86-video-ati"
                ;;
            "nouveau" )
                PACKAGES_DDX="xf86-video-nouveau"
                ;;
        esac
    fi
    if [ "$VULKAN" == "true" ]; then
        case "$DISPLAY_DRIVER" in
            "intel" )
                PACKAGES_VULKAN="vulkan-icd-loader vulkan-intel"
                PACKAGES_VULKAN_MULTILIB="lib32-vulkan-icd-loader lib32-vulkan-intel"
                ;;
            "amdgpu" )
                PACKAGES_VULKAN="vulkan-radeon"
                PACKAGES_VULKAN_MULTILIB="lib32-vulkan-radeon"
                ;;
            "ati" )
                PACKAGES_VULKAN="vulkan-radeon"
                PACKAGES_VULKAN_MULTILIB="lib32-vulkan-radeon"
                ;;
            "nvidia" )
                PACKAGES_VULKAN="nvidia-utils"
                PACKAGES_VULKAN_MULTILIB="lib32-nvidia-utils"
                ;;
            "nvidia-lts" )
                PACKAGES_VULKAN="nvidia-utils"
                PACKAGES_VULKAN_MULTILIB="lib32-nvidia-utils"
                ;;
            "nvidia-dkms" )
                PACKAGES_VULKAN="nvidia-utils"
                PACKAGES_VULKAN_MULTILIB="lib32-nvidia-utils"
                ;;
            "nvidia-390xx" )
                PACKAGES_VULKAN="nvidia-utils"
                PACKAGES_VULKAN_MULTILIB=""
                ;;
            "nvidia-390xx-lts" )
                PACKAGES_VULKAN="nvidia-utils"
                PACKAGES_VULKAN_MULTILIB=""
                ;;
            "nvidia-390xx-dkms" )
                PACKAGES_VULKAN="nvidia-utils"
                PACKAGES_VULKAN_MULTILIB=""
                ;;
            "nouveau" )
                PACKAGES_VULKAN=""
                PACKAGES_VULKAN_MULTILIB=""
                ;;
        esac
    fi
    if [ "$DISPLAY_DRIVER_HARDWARE_ACCELERATION" == "true" ]; then
        case "$DISPLAY_DRIVER" in
            "intel" )
                if [ -n "$DISPLAY_DRIVER_HARDWARE_ACCELERATION_INTEL" ]; then
                    PACKAGES_HARDWARE_ACCELERATION=$DISPLAY_DRIVER_HARDWARE_ACCELERATION_INTEL
                    PACKAGES_HARDWARE_ACCELERATION_MULTILIB=""
                fi
                ;;
            "amdgpu" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
            "ati" )
                PACKAGES_HARDWARE_ACCELERATION="mesa-vdpau"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-mesa-vdpau"
                ;;
            "nvidia" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
            "nvidia-lts" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
            "nvidia-dkms" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
            "nvidia-390xx" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
            "nvidia-390xx-lts" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
            "nvidia-390xx-dkms" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
            "nouveau" )
                PACKAGES_HARDWARE_ACCELERATION="libva-mesa-driver"
                PACKAGES_HARDWARE_ACCELERATION_MULTILIB="lib32-libva-mesa-driver"
                ;;
        esac
    fi

    pacman_install "mesa $PACKAGES_DRIVER $PACKAGES_DDX $PACKAGES_VULKAN $PACKAGES_HARDWARE_ACCELERATION"

    if [ "$PACKAGES_MULTILIB" == "true" ]; then
        pacman_install "$PACKAGES_DRIVER_MULTILIB $PACKAGES_VULKAN_MULTILIB $PACKAGES_HARDWARE_ACCELERATION_MULTILIB"
    fi
}

function kernels() {
    print_step "kernels()"

    pacman_install "linux-headers"
    if [ -n "$KERNELS" ]; then
        pacman_install "$KERNELS"
    fi
}

function mkinitcpio() {
    print_step "mkinitcpio()"

    arch-chroot /mnt mkinitcpio -P
}

function network() {
    print_step "network()"

    pacman_install "networkmanager"
    arch-chroot /mnt systemctl enable NetworkManager.service
}

function virtualbox() {
    print_step "virtualbox()"

    if [ -z "$KERNELS" ]; then
        pacman_install "virtualbox-guest-utils"
    else
        pacman_install "virtualbox-guest-utils virtualbox-guest-dkms"
    fi
}

function users() {
    print_step "users()"

    create_user "$USER_NAME" "$USER_PASSWORD"

    for U in ${ADDITIONAL_USERS[@]}; do
        IFS='=' S=(${U})
        USER=${S[0]}
        PASSWORD=${S[1]}
        create_user "${USER}" "${PASSWORD}"
    done

	arch-chroot /mnt sed -i 's/# %wheel ALL=(ALL) ALL/%wheel ALL=(ALL) ALL/' /etc/sudoers

    pacman_install "xdg-user-dirs"

    if [ "$SYSTEMD_HOMED" == "true" ]; then
        cat <<EOT > "/mnt/etc/pam.d/nss-auth"
#%PAM-1.0

auth     sufficient pam_unix.so try_first_pass nullok
auth     sufficient pam_systemd_home.so
auth     required   pam_deny.so

account  sufficient pam_unix.so
account  sufficient pam_systemd_home.so
account  required   pam_deny.so

password sufficient pam_unix.so try_first_pass nullok sha512 shadow
password sufficient pam_systemd_home.so
password required   pam_deny.so
EOT

        cat <<EOT > "/mnt/etc/pam.d/system-auth"
#%PAM-1.0

auth      substack   nss-auth
auth      optional   pam_permit.so
auth      required   pam_env.so

account   substack   nss-auth
account   optional   pam_permit.so
account   required   pam_time.so

password  substack   nss-auth
password  optional   pam_permit.so

session   required  pam_limits.so
session   optional  pam_systemd_home.so
session   required  pam_unix.so
session   optional  pam_permit.so
EOT
    fi
}

function create_user() {
    USER=$1
    PASSWORD=$2
    if [ "$SYSTEMD_HOMED" == "true" ]; then
        arch-chroot /mnt systemctl enable systemd-homed.service
        create_user_homectl $USER $PASSWORD
#       create_user_useradd $USER $PASSWORD
    else
        create_user_useradd $USER $PASSWORD
    fi
}

function create_user_homectl() {
    USER=$1
    PASSWORD=$2
    STORAGE=""
    CIFS_DOMAIN=""
    CIFS_USERNAME=""
    CIFS_SERVICE=""
    TZ=$(echo ${TIMEZONE} | sed "s/\/usr\/share\/zoneinfo\///g")
    L=$(echo ${LOCALE_CONF[0]} | sed "s/LANG=//g")
    IMAGE_PATH="/home/$USER.homedir"
    HOME_PATH="/home/$USER"

    if [ -n "$SYSTEMD_HOMED_STORAGE" ]; then
        STORAGE="--storage=$SYSTEMD_HOMED_STORAGE"
    fi
    if [ "$SYSTEMD_HOMED_STORAGE" == "cifs" ]; then
        CIFS_DOMAIN="--cifs-domain=$SYSTEMD_HOMED_CIFS_DOMAIN"
        CIFS_USERNAME="--cifs-user-name=$USER"
        CIFS_SERVICE="--cifs-service=$SYSTEMD_HOMED_CIFS_SERVICE"
    fi
    if [ "$SYSTEMD_HOMED_STORAGE" == "luks" ]; then
        IMAGE_PATH="/home/$USER.home"
    fi

    ### something missing, inside alis this not works, after install the user is in state infixated
    ### after install and reboot this commands work
    systemctl start systemd-homed.service
    set +e
    homectl create "$USER" --enforce-password-policy=no --timezone=$TZ --language=$L $STORAGE $CIFS_DOMAIN $CIFS_USERNAME $CIFS_SERVICE -G wheel,storage,optical
    homectl activate "$USER"
    set -e
    cp -a "$IMAGE_PATH/." "/mnt$IMAGE_PATH"
    cp -a "$HOME_PATH/." "/mnt$HOME_PATH"
    cp -a "/var/lib/systemd/home/." "/mnt/var/lib/systemd/home/"
}

function create_user_useradd() {
    USER=$1
    PASSWORD=$2
    arch-chroot /mnt useradd -m -G wheel,storage,optical -s /bin/bash $USER
    printf "$PASSWORD\n$PASSWORD" | arch-chroot /mnt passwd $USER
}

function bootloader() {
    print_step "bootloader()"

    BOOTLOADER_ALLOW_DISCARDS=""

    if [ "$VIRTUALBOX" != "true" ]; then
        if [ "$CPU_VENDOR" == "intel" ]; then
            pacman_install "intel-ucode"
        fi
        if [ "$CPU_VENDOR" == "amd" ]; then
            pacman_install "amd-ucode"
        fi
    fi
    if [ "$LVM" == "true" ]; then
        CMDLINE_LINUX_ROOT="root=$DEVICE_ROOT"
    else
        CMDLINE_LINUX_ROOT="root=PARTUUID=$PARTUUID_ROOT"
    fi
    if [ -n "$LUKS_PASSWORD" ]; then
        if [ "$DEVICE_TRIM" == "true" ]; then
            BOOTLOADER_ALLOW_DISCARDS=":allow-discards"
        fi
        CMDLINE_LINUX="cryptdevice=PARTUUID=$PARTUUID_ROOT:$LUKS_DEVICE_NAME$BOOTLOADER_ALLOW_DISCARDS"
    fi
    if [ "$FILE_SYSTEM_TYPE" == "btrfs" ]; then
        CMDLINE_LINUX="$CMDLINE_LINUX rootflags=subvol=root"
    fi
    if [ "$KMS" == "true" ]; then
        case "$DISPLAY_DRIVER" in
            "nvidia" | "nvidia-390xx" | "nvidia-390xx-lts" )
                CMDLINE_LINUX="$CMDLINE_LINUX nvidia-drm.modeset=1"
                ;;
        esac
    fi

    if [ -n "$KERNELS_PARAMETERS" ]; then
        CMDLINE_LINUX="$CMDLINE_LINUX $KERNELS_PARAMETERS"
    fi

    case "$BOOTLOADER" in
        "grub" )
            bootloader_grub
            ;;
        "refind" )
            bootloader_refind
            ;;
        "systemd" )
            bootloader_systemd
            ;;
    esac

    arch-chroot /mnt systemctl set-default multi-user.target
}

function bootloader_grub() {
    pacman_install "grub dosfstools"
    arch-chroot /mnt sed -i 's/GRUB_DEFAULT=0/GRUB_DEFAULT=saved/' /etc/default/grub
    arch-chroot /mnt sed -i 's/#GRUB_SAVEDEFAULT="true"/GRUB_SAVEDEFAULT="true"/' /etc/default/grub
    arch-chroot /mnt sed -i -E 's/GRUB_CMDLINE_LINUX_DEFAULT="(.*) quiet"/GRUB_CMDLINE_LINUX_DEFAULT="\1"/' /etc/default/grub
    arch-chroot /mnt sed -i 's/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="'"$CMDLINE_LINUX"'"/' /etc/default/grub
    echo "" >> /mnt/etc/default/grub
    echo "# alis" >> /mnt/etc/default/grub
    echo "GRUB_DISABLE_SUBMENU=y" >> /mnt/etc/default/grub

    if [ "$BIOS_TYPE" == "uefi" ]; then
        pacman_install "efibootmgr"
        arch-chroot /mnt grub-install --target=x86_64-efi --bootloader-id=grub --efi-directory=$ESP_DIRECTORY --recheck
        #arch-chroot /mnt efibootmgr --create --disk $DEVICE --part $PARTITION_BOOT_NUMBER --loader /EFI/grub/grubx64.efi --label "GRUB Boot Manager"
    fi
    if [ "$BIOS_TYPE" == "bios" ]; then
        arch-chroot /mnt grub-install --target=i386-pc --recheck $DEVICE
    fi

    arch-chroot /mnt grub-mkconfig -o "$BOOT_DIRECTORY/grub/grub.cfg"

    if [ "$VIRTUALBOX" == "true" ]; then
        echo -n "\EFI\grub\grubx64.efi" > "/mnt$ESP_DIRECTORY/startup.nsh"
    fi
}

function bootloader_refind() {
    pacman_install "refind"
    arch-chroot /mnt refind-install

    arch-chroot /mnt rm /boot/refind_linux.conf
    arch-chroot /mnt sed -i 's/^timeout.*/timeout 5/' "$ESP_DIRECTORY/EFI/refind/refind.conf"
    arch-chroot /mnt sed -i 's/^#scan_all_linux_kernels.*/scan_all_linux_kernels false/' "$ESP_DIRECTORY/EFI/refind/refind.conf"
    #arch-chroot /mnt sed -i 's/^#default_selection "+,bzImage,vmlinuz"/default_selection "+,bzImage,vmlinuz"/' "$ESP_DIRECTORY/EFI/refind/refind.conf"

    REFIND_MICROCODE=""

    if [ "$VIRTUALBOX" != "true" ]; then
        if [ "$CPU_VENDOR" == "intel" ]; then
            REFIND_MICROCODE="initrd=/intel-ucode.img"
        fi
        if [ "$CPU_VENDOR" == "amd" ]; then
            REFIND_MICROCODE="initrd=/amd-ucode.img"
        fi
    fi

    cat <<EOT >> "/mnt$ESP_DIRECTORY/EFI/refind/refind.conf"
# alis
menuentry "Arch Linux" {
    volume   $PARTUUID_BOOT
    loader   /vmlinuz-linux
    initrd   /initramfs-linux.img
    icon     /EFI/refind/icons/os_arch.png
    options  "$REFIND_MICROCODE $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX"
    submenuentry "Boot using fallback initramfs"
	      initrd /initramfs-linux-fallback.img"
    }
    submenuentry "Boot to terminal"
	      add_options "systemd.unit=multi-user.target"
    }
}

EOT
    if [[ $KERNELS =~ .*linux-lts.* ]]; then
        cat <<EOT >> "/mnt$ESP_DIRECTORY/EFI/refind/refind.conf"
menuentry "Arch Linux (lts)" {
    volume   $PARTUUID_BOOT
    loader   /vmlinuz-linux-lts
    initrd   /initramfs-linux-lts.img
    icon     /EFI/refind/icons/os_arch.png
    options  "$REFIND_MICROCODE $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX"
    submenuentry "Boot using fallback initramfs" {
	      initrd /initramfs-linux-lts-fallback.img
    }
    submenuentry "Boot to terminal" {
	      add_options "systemd.unit=multi-user.target"
    }
}

EOT
    fi
    if [[ $KERNELS =~ .*linux-hardened.* ]]; then
        cat <<EOT >> "/mnt$ESP_DIRECTORY/EFI/refind/refind.conf"
menuentry "Arch Linux (hardened)" {
    volume   $PARTUUID_BOOT
    loader   /vmlinuz-linux-hardened
    initrd   /initramfs-linux-hardened.img
    icon     /EFI/refind/icons/os_arch.png
    options  "$REFIND_MICROCODE $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX"
    submenuentry "Boot using fallback initramfs" {
	      initrd /initramfs-linux-lts-fallback.img
    }
    submenuentry "Boot to terminal" {
	      add_options "systemd.unit=multi-user.target"
    }
}

EOT
    fi
    if [[ $KERNELS =~ .*linux-zen.* ]]; then
        cat <<EOT >> "/mnt$ESP_DIRECTORY/EFI/refind/refind.conf"
menuentry "Arch Linux (zen)" {
    volume   $PARTUUID_BOOT
    loader   /vmlinuz-linux-zen
    initrd   /initramfs-linux-zen.img
    icon     /EFI/refind/icons/os_arch.png
    options  "$REFIND_MICROCODE $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX"
    submenuentry "Boot using fallback initramfs" {
	      initrd /initramfs-linux-lts-fallback.img
    }
    submenuentry "Boot to terminal" {
	      add_options "systemd.unit=multi-user.target"
    }
}

EOT
    fi

    if [ "$VIRTUALBOX" == "true" ]; then
        echo -n "\EFI\refind\refind_x64.efi" > "/mnt$ESP_DIRECTORY/startup.nsh"
    fi
}

function bootloader_systemd() {
    arch-chroot /mnt systemd-machine-id-setup
    arch-chroot /mnt bootctl --path="$ESP_DIRECTORY" install

    arch-chroot /mnt mkdir -p "$ESP_DIRECTORY/loader/"
    arch-chroot /mnt mkdir -p "$ESP_DIRECTORY/loader/entries/"

    cat <<EOT > "/mnt$ESP_DIRECTORY/loader/loader.conf"
# alis
timeout 5
default archlinux
editor 0
EOT

    arch-chroot /mnt mkdir -p "/etc/pacman.d/hooks/"

    cat <<EOT > "/mnt/etc/pacman.d/hooks/systemd-boot.hook"
[Trigger]
Type = Package
Operation = Upgrade
Target = systemd

[Action]
Description = Updating systemd-boot
When = PostTransaction
Exec = /usr/bin/bootctl update
EOT

    SYSTEMD_MICROCODE=""
    SYSTEMD_OPTIONS=""

    if [ "$VIRTUALBOX" != "true" ]; then
        if [ "$CPU_VENDOR" == "intel" ]; then
            SYSTEMD_MICROCODE="/intel-ucode.img"
        fi
        if [ "$CPU_VENDOR" == "amd" ]; then
            SYSTEMD_MICROCODE="/amd-ucode.img"
        fi
    fi

    if [ -n "$LUKS_PASSWORD" ]; then
       SYSTEMD_OPTIONS="luks.name=$UUID_ROOT=$LUKS_DEVICE_NAME luks.options=discard"
    fi

    echo "title Arch Linux" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux.conf"
    echo "efi /vmlinuz-linux" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux.conf"
    if [ -n "$SYSTEMD_MICROCODE" ]; then
        echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux.conf"
    fi
    echo "initrd /initramfs-linux.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux.conf"
    echo "options initrd=initramfs-linux.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux.conf"

    echo "title Arch Linux (terminal)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-terminal.conf"
    echo "efi /vmlinuz-linux" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-terminal.conf"
    if [ -n "$SYSTEMD_MICROCODE" ]; then
        echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-terminal.conf"
    fi
    echo "initrd /initramfs-linux.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-terminal.conf"
    echo "options initrd=initramfs-linux.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX systemd.unit=multi-user.target $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-terminal.conf"

    echo "title Arch Linux (fallback)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-fallback.conf"
    echo "efi /vmlinuz-linux" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-fallback.conf"
    if [ -n "$SYSTEMD_MICROCODE" ]; then
        echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-fallback.conf"
    fi
    echo "initrd /initramfs-linux-fallback.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-fallback.conf"
    echo "options initrd=initramfs-linux-fallback.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-fallback.conf"

    if [[ $KERNELS =~ .*linux-lts.* ]]; then
        echo "title Arch Linux (lts)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts.conf"
        echo "efi /vmlinuz-linux-lts" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts.conf"
        fi
        echo "initrd /initramfs-linux-lts.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts.conf"
        echo "options initrd=initramfs-linux-lts.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts.conf"

        echo "title Arch Linux (lts, terminal)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-terminal.conf"
        echo "efi /vmlinuz-linux-lts" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-terminal.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-terminal.conf"
        fi
        echo "initrd /initramfs-linux-lts.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-terminal.conf"
        echo "options initrd=initramfs-linux-lts.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX systemd.unit=multi-user.target $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-terminal.conf"

        echo "title Arch Linux (lts-fallback)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-fallback.conf"
        echo "efi /vmlinuz-linux-lts" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-fallback.conf"
        if [ "$CPU_INTEL" == "true" -a "$VIRTUALBOX" != "true" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-fallback.conf"
        fi
        echo "initrd /initramfs-linux-lts-fallback.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-fallback.conf"
        echo "options initrd=initramfs-linux-lts-fallback.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-lts-fallback.conf"
    fi

    if [[ $KERNELS =~ .*linux-hardened.* ]]; then
        echo "title Arch Linux (hardened)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened.conf"
        echo "efi /vmlinuz-linux-hardened" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened.conf"
        fi
        echo "initrd /initramfs-linux-hardened.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened.conf"
        echo "options initrd=initramfs-linux-hardened.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened.conf"

        echo "title Arch Linux (hardened, terminal)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-terminal.conf"
        echo "efi /vmlinuz-linux-hardened" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-terminal.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-terminal.conf"
        fi
        echo "initrd /initramfs-linux-hardened.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-terminal.conf"
        echo "options initrd=initramfs-linux-hardened.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX systemd.unit=multi-user.target $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-terminal.conf"

        echo "title Arch Linux (hardened-fallback)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-fallback.conf"
        echo "efi /vmlinuz-linux-hardened" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-fallback.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-fallback.conf"
        fi
        echo "initrd /initramfs-linux-hardened-fallback.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-fallback.conf"
        echo "options initrd=initramfs-linux-hardened-fallback.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-hardened-fallback.conf"
    fi

    if [[ $KERNELS =~ .*linux-zen.* ]]; then
        echo "title Arch Linux (zen)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen.conf"
        echo "efi /vmlinuz-linux-zen" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen.conf"
        fi
        echo "initrd /initramfs-linux-zen.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen.conf"
        echo "options initrd=initramfs-linux-zen.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen.conf"

        echo "title Arch Linux (zen, terminal)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-terminal.conf"
        echo "efi /vmlinuz-linux-zen" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-terminal.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-terminal.conf"
        fi
        echo "initrd /initramfs-linux-zen.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-terminal.conf"
        echo "options initrd=initramfs-linux-zen.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX systemd.unit=multi-user.target $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-terminal.conf"

        echo "title Arch Linux (zen-fallback)" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-fallback.conf"
        echo "efi /vmlinuz-linux-zen" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-fallback.conf"
        if [ -n "$SYSTEMD_MICROCODE" ]; then
            echo "initrd $SYSTEMD_MICROCODE" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-fallback.conf"
        fi
        echo "initrd /initramfs-linux-zen-fallback.img" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-fallback.conf"
        echo "options initrd=initramfs-linux-zen-fallback.img $CMDLINE_LINUX_ROOT rw $CMDLINE_LINUX $SYSTEMD_OPTIONS" >> "/mnt$ESP_DIRECTORY/loader/entries/archlinux-zen-fallback.conf"
    fi

    if [ "$VIRTUALBOX" == "true" ]; then
        echo -n "\EFI\systemd\systemd-bootx64.efi" > "/mnt$ESP_DIRECTORY/startup.nsh"
    fi
}

function custom_shell() {
    print_step "custom_shell()"

    CUSTOM_SHELL_PATH=""
    case "$CUSTOM_SHELL" in
        "zsh" )
            pacman_install "zsh"
            CUSTOM_SHELL_PATH="/usr/bin/zsh"
            ;;
        "dash" )
            pacman_install "dash"
            CUSTOM_SHELL_PATH="/usr/bin/dash"
            ;;
        "fish" )
            pacman_install "fish"
            CUSTOM_SHELL_PATH="/usr/bin/fish"
            ;;
    esac

    if [ -n "$CUSTOM_SHELL_PATH" ]; then
        custom_shell_user "root" $CUSTOM_SHELL_PATH
        custom_shell_user "$USER_NAME" $CUSTOM_SHELL_PATH
        for U in ${ADDITIONAL_USERS[@]}; do
            IFS='=' S=(${U})
            USER=${S[0]}
            custom_shell_user "$USER" $CUSTOM_SHELL_PATH
        done
    fi
}


function custom_shell_user() {
    USER=$1
    CUSTOM_SHELL_PATH=$2

    if [ "$SYSTEMD_HOMED" == "true" ]; then
        homectl update --shell=$CUSTOM_SHELL_PATH $USER
    else
        arch-chroot /mnt chsh -s $CUSTOM_SHELL_PATH $USER
    fi
}

function desktop_environment() {
    print_step "desktop_environment()"

    case "$DESKTOP_ENVIRONMENT" in
        "gnome" )
            desktop_environment_gnome
            ;;
        "kde" )
            desktop_environment_kde
            ;;
        "xfce" )
            desktop_environment_xfce
            ;;
        "mate" )
            desktop_environment_mate
            ;;
        "cinnamon" )
            desktop_environment_cinnamon
            ;;
        "lxde" )
            desktop_environment_lxde
            ;;
        "i3-wm" )
            desktop_environment_i3_wm
            ;;
        "i3-gaps" )
            desktop_environment_i3_gaps
            ;;
    esac

    arch-chroot /mnt systemctl set-default graphical.target
}

function desktop_environment_gnome() {
    pacman_install "gnome"
    arch-chroot /mnt systemctl enable gdm.service
}

function desktop_environment_kde() {
    pacman_install "plasma-meta plasma-wayland-session kde-applications-meta"
    arch-chroot /mnt systemctl enable sddm.service
}

function desktop_environment_xfce() {
    pacman_install "xfce4 xfce4-goodies lightdm lightdm-gtk-greeter xorg-server"
    arch-chroot /mnt systemctl enable lightdm.service
}

function desktop_environment_mate() {
    pacman_install "mate mate-extra lightdm lightdm-gtk-greeter xorg-server"
    arch-chroot /mnt systemctl enable lightdm.service
}

function desktop_environment_cinnamon() {
    pacman_install "cinnamon lightdm lightdm-gtk-greeter xorg-server"
    arch-chroot /mnt systemctl enable lightdm.service
}

function desktop_environment_lxde() {
    pacman_install "lxde lxdm"
    arch-chroot /mnt systemctl enable lxdm.service
}

function desktop_environment_i3_wm() {
    pacman_install "i3-wm i3blocks i3lock i3status dmenu rxvt-unicode lightdm lightdm-gtk-greeter xorg-server"
    arch-chroot /mnt systemctl enable lightdm.service
}

function desktop_environment_i3_gaps() {
    pacman_install "i3-gaps i3blocks i3lock i3status dmenu rxvt-unicode lightdm lightdm-gtk-greeter xorg-server"
    arch-chroot /mnt systemctl enable lightdm.service
}

function packages() {
    if [ "$PACKAGES_INSTALL" == "true" ]; then
        (USER_NAME=$USER_NAME \
         USER_PASSWORD=$USER_PASSWORD \
            ./alis-packages.sh)
    fi
}

function vagrant() {
    pacman_install "openssh"
    create_user "vagrant" "vagrant"
    arch-chroot /mnt systemctl enable sshd.service
    arch-chroot /mnt ssh-keygen -A
    arch-chroot /mnt sshd -t
}

function systemd_units() {
    IFS=' ' UNITS=($SYSTEMD_UNITS)
    for U in ${UNITS[@]}; do
        ACTION=""
        UNIT=${U}
        if [[ $UNIT == -* ]]; then
            ACTION="disable"
            UNIT=$(echo $UNIT | sed "s/^-//g")
        elif [[ $UNIT == +* ]]; then
            ACTION="enable"
            UNIT=$(echo $UNIT | sed "s/^+//g")
        elif [[ $UNIT =~ ^[a-zA-Z0-9]+ ]]; then
            ACTION="enable"
            UNIT=$UNIT
        fi

        if [ -n "$ACTION" ]; then
            arch-chroot /mnt systemctl $ACTION $UNIT
        fi
    done
}

function end() {
    echo ""
    echo -e "${GREEN}Arch Linux installed successfully"'!'"${NC}"
    echo ""

    if [ "$REBOOT" == "true" ]; then
        REBOOT="true"

        set +e
        for (( i = 15; i >= 1; i-- )); do
            read -r -s -n 1 -t 1 -p "Rebooting in $i seconds... Press any key to abort."$'\n' KEY
            if [ $? -eq 0 ]; then
                REBOOT="false"
                break
            fi
        done
        set -e

        if [ "$REBOOT" == 'true' ]; then
            echo "Rebooting..."
            echo ""

            copy_logs
            do_reboot
        else
            if [ "$ASCIINEMA" == "true" ]; then
                echo "Reboot aborted. You will must terminate asciinema recording and do a explicit reboot (exit, ./alis-reboot.sh)."
                echo ""
            else
                echo "Reboot aborted. You will must do a explicit reboot (./alis-reboot.sh)."
                echo ""
            fi
        fi
    else
        if [ "$ASCIINEMA" == "true" ]; then
            echo "No reboot. You will must terminate asciinema recording and do a explicit reboot (exit, ./alis-reboot.sh)."
            echo ""
        else
            echo "No reboot. You will must do a explicit reboot (./alis-reboot.sh)."
            echo ""
        fi
    fi
}

function pacman_install() {
    ERROR="true"
    set +e
    IFS=' ' PACKAGES=($1)
    for VARIABLE in {1..5}
    do
        arch-chroot /mnt pacman -Syu --noconfirm --needed ${PACKAGES[@]}
        if [ $? == 0 ]; then
            ERROR="false"
            break
        else
            sleep 10
        fi
    done
    set -e
    if [ "$ERROR" == "true" ]; then
        exit
    fi
}

function copy_logs() {
    ESCAPED_LUKS_PASSWORD=$(echo "${LUKS_PASSWORD}" | sed 's/[.[\*^$()+?{|]/[\\&]/g')
    ESCAPED_ROOT_PASSWORD=$(echo "${ROOT_PASSWORD}" | sed 's/[.[\*^$()+?{|]/[\\&]/g')
    ESCAPED_USER_PASSWORD=$(echo "${USER_PASSWORD}" | sed 's/[.[\*^$()+?{|]/[\\&]/g')

    if [ -f "$CONF_FILE" ]; then
        SOURCE_FILE="$CONF_FILE"
        FILE="/mnt/var/log/alis/$CONF_FILE"

        mkdir -p /mnt/var/log/alis
        cp "$SOURCE_FILE" "$FILE"
        chown root:root "$FILE"
        chmod 600 "$FILE"
        if [ -n "$ESCAPED_LUKS_PASSWORD" ]; then
            sed -i "s/${ESCAPED_LUKS_PASSWORD}/******/g" "$FILE"
        fi
        if [ -n "$ESCAPED_ROOT_PASSWORD" ]; then
            sed -i "s/${ESCAPED_ROOT_PASSWORD}/******/g" "$FILE"
        fi
        if [ -n "$ESCAPED_USER_PASSWORD" ]; then
            sed -i "s/${ESCAPED_USER_PASSWORD}/******/g" "$FILE"
        fi
    fi
    if [ -f "$LOG_FILE" ]; then
        SOURCE_FILE="$LOG_FILE"
        FILE="/mnt/var/log/alis/$LOG_FILE"

        mkdir -p /mnt/var/log/alis
        cp "$SOURCE_FILE" "$FILE"
        chown root:root "$FILE"
        chmod 600 "$FILE"
        if [ -n "$ESCAPED_LUKS_PASSWORD" ]; then
            sed -i "s/${ESCAPED_LUKS_PASSWORD}/******/g" "$FILE"
        fi
        if [ -n "$ESCAPED_ROOT_PASSWORD" ]; then
            sed -i "s/${ESCAPED_ROOT_PASSWORD}/******/g" "$FILE"
        fi
        if [ -n "$ESCAPED_USER_PASWORD" ]; then
            sed -i "s/${ESCAPED_USER_PASSWORD}/******/g" "$FILE"
        fi
    fi
    if [ -f "$ASCIINEMA_FILE" ]; then
        SOURCE_FILE="$ASCIINEMA_FILE"
        FILE="/mnt/var/log/alis/$ASCIINEMA_FILE"

        mkdir -p /mnt/var/log/alis
        cp "$SOURCE_FILE" "$FILE"
        chown root:root "$FILE"
        chmod 600 "$FILE"
        if [ -n "$ESCAPED_LUKS_PASSWORD" ]; then
            sed -i "s/${ESCAPED_LUKS_PASSWORD}/******/g" "$FILE"
        fi
        if [ -n "$ESCAPED_ROOT_PASSWORD" ]; then
            sed -i "s/${ESCAPED_ROOT_PASSWORD}/******/g" "$FILE"
        fi
        if [ -n "$ESCAPED_USER_PASSWORD" ]; then
            sed -i "s/${ESCAPED_USER_PASSWORD}/******/g" "$FILE"
        fi
    fi
}

function do_reboot() {
    umount -R /mnt/boot
    umount -R /mnt
    reboot
}

function print_step() {
    STEP="$1"
    echo ""
    echo -e "${LIGHT_BLUE}# ${STEP} step${NC}"
    echo ""
}

function execute_step() {
    STEP="$1"
    STEPS="$2"
    if [[ " $STEPS " =~ " $STEP " ]]; then
        eval $STEP
        save_globals
    else
        echo "Skipping $STEP"
    fi
}

function load_globals() {
    if [ -f "$GLOBALS_FILE" ]; then
        source "$GLOBALS_FILE"
    fi
}

function save_globals() {
    cat <<EOT > $GLOBALS_FILE
ASCIINEMA="$ASCIINEMA"
BIOS_TYPE="$BIOS_TYPE"
PARTITION_BOOT="$PARTITION_BOOT"
PARTITION_ROOT="$PARTITION_ROOT"
PARTITION_BOOT_NUMBER="$PARTITION_BOOT_NUMBER"
PARTITION_ROOT_NUMBER="$PARTITION_ROOT_NUMBER"
DEVICE_ROOT="$DEVICE_ROOT"
DEVICE_LVM="$DEVICE_LVM"
LUKS_DEVICE_NAME="$LUKS_DEVICE_NAME"
LVM_VOLUME_GROUP="$LVM_VOLUME_GROUP"
LVM_VOLUME_LOGICAL="$LVM_VOLUME_LOGICAL"
SWAPFILE="$SWAPFILE"
BOOT_DIRECTORY="$BOOT_DIRECTORY"
ESP_DIRECTORY="$ESP_DIRECTORY"
UUID_BOOT="$UUID_BOOT"
UUID_ROOT="$UUID_ROOT"
PARTUUID_BOOT="$PARTUUID_BOOT"
PARTUUID_ROOT="$PARTUUID_ROOT"
DEVICE_SATA="$DEVICE_SATA"
DEVICE_NVME="$DEVICE_NVME"
DEVICE_MMC="$DEVICE_MMC"
CPU_VENDOR="$CPU_VENDOR"
VIRTUALBOX="$VIRTUALBOX"
CMDLINE_LINUX_ROOT="$CMDLINE_LINUX_ROOT"
CMDLINE_LINUX="$CMDLINE_LINUX"
EOT
}

function main() {
    ALL_STEPS=("configuration_install" "sanitize_variables" "check_variables" "warning" "init" "facts" "checks" "prepare" "partition" "install" "configuration" "mkinitcpio_configuration" "display_driver" "kernels" "mkinitcpio" "network" "virtualbox" "users" "bootloader" "custom_shell" "desktop_environment" "packages" "vagrant" "systemd_units" "end")
    STEP="configuration_install"

    if [ -n "$1" ]; then
        STEP="$1"
    fi
    if [ "$STEP" == "steps" ]; then
        echo "Steps: $ALL_STEPS"
        return 0
    fi

    # get step execute from
    FOUND="false"
    STEPS=""
    for S in ${ALL_STEPS[@]}; do
        if [ $FOUND = "true" -o "${STEP}" = "${S}" ]; then
            FOUND="true"
            STEPS="$STEPS $S"
        fi
    done

    # execute steps
    load_globals

    execute_step "configuration_install" "${STEPS}"
    execute_step "sanitize_variables" "${STEPS}"
    execute_step "check_variables" "${STEPS}"
    execute_step "warning" "${STEPS}"
    execute_step "init" "${STEPS}"
    execute_step "facts" "${STEPS}"
    execute_step "checks" "${STEPS}"
    execute_step "prepare" "${STEPS}"
    execute_step "partition" "${STEPS}"
    execute_step "install" "${STEPS}"
    execute_step "configuration" "${STEPS}"
    execute_step "mkinitcpio_configuration" "${STEPS}"
    if [ -n "$DISPLAY_DRIVER" ]; then
        execute_step "display_driver" "${STEPS}"
    fi
    execute_step "kernels" "${STEPS}"
    execute_step "mkinitcpio" "${STEPS}"
    execute_step "network" "${STEPS}"
    if [ "$VIRTUALBOX" == "true" ]; then
        execute_step "virtualbox" "${STEPS}"
    fi
    execute_step "users" "${STEPS}"
    execute_step "bootloader" "${STEPS}"
    if [ -n "$CUSTOM_SHELL" ]; then
        execute_step "custom_shell" "${STEPS}"
    fi
    if [ -n "$DESKTOP_ENVIRONMENT" ]; then
        execute_step "desktop_environment" "${STEPS}"
    fi
    execute_step "packages" "${STEPS}"
    if [ "$VAGRANT" == "true" ]; then
        execute_step "vagrant" "${STEPS}"
    fi
    execute_step "systemd_units" "${STEPS}"
    execute_step "end" "${STEPS}"
}

main $@
alis.sh
Terminal

El código fuente completo del ejemplo puedes descargarlo del repositorio de ejemplos de Blog Bitix alojado en GitHub.


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