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#!/bin/bash
# archinstall - A minimal Installation Script for Arch Linux
# Copyright (C) 2019 xengineering
# 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 <https://www.gnu.org/licenses/>.
# stop at any error to optimize debugging:
set -e
# debug output
print_ok "Entering first_stage.sh"
# check bootmode
print_ok "Checking bootmode ..."
if [ -d "/sys/firmware/efi/efivars" ]; then
export boot_mode="uefi"
print_ok "Booted with UEFI"
else
export boot_mode="bios"
print_ok "Booted with legacy boot / BIOS"
fi
# partition the disk
if [ "$path_to_disk" == "/dev/null" ]; then # check if a disk is selected
print_failed "path_to_disk variable has still default value '/dev/null'"
fi
if [ "$boot_mode" == "uefi" ]; then
print_ok "Partitioning for UEFI mode ..."
wipefs -a $path_to_disk # make sure that fdisk does not ask for removing
# signatures which breaks the script
fdisk $path_to_disk << EOF
g
n
1
+512M
n
2
+200M
n
3
p
w
EOF
elif [ "$boot_mode" == "bios" ]; then
print_ok "Partitioning for BIOS mode ..."
wipefs -a $path_to_disk # make sure that fdisk does not ask for removing
# signatures which breaks the script
fdisk $path_to_disk << EOF
o
n
p
1
+200M
n
p
2
p
w
EOF
fi
print_ok "Partitioning done"
# format and mount partitions
if [ "$luks_encryption" == "no" ];then
if [ "$boot_mode" == "bios" ];then
print_ok "Formatting for no disk encryption and bios/mbr ..."
# root partition
mkfs.ext4 ${path_to_disk}2
e2label ${path_to_disk}2 "root"
mount ${path_to_disk}2 /mnt
# boot partition
mkfs.ext4 ${path_to_disk}1
e2label ${path_to_disk}1 "boot"
mkdir /mnt/boot
mount ${path_to_disk}1 /mnt/boot
elif [ "$boot_mode" == "uefi" ];then
print_ok "Formatting for no disk encryption and uefi/gpt ..."
# root partition
mkfs.ext4 ${path_to_disk}3
e2label ${path_to_disk}3 "root"
mount ${path_to_disk}3 /mnt
# boot partition
mkfs.ext4 ${path_to_disk}2
e2label ${path_to_disk}2 "boot"
mkdir /mnt/boot
mount ${path_to_disk}2 /mnt/boot
# efi partition
mkfs.fat -F32 ${path_to_disk}1
fatlabel ${path_to_disk}1 "efi"
mkdir /mnt/mnt
mount ${path_to_disk}1 /mnt/mnt
fi
elif [ "$luks_encryption" == "yes" ];then
if [ "$boot_mode" == "bios" ];then
print_ok "Formatting for disk encryption and bios/mbr ..."
# root partition
echo -n "$DEFAULT_PASSWORD" | cryptsetup luksFormat ${path_to_disk}2 -
echo -n "$DEFAULT_PASSWORD" | cryptsetup open ${path_to_disk}2 main -
mkfs.ext4 /dev/mapper/main
e2label /dev/mapper/main "root"
mount /dev/mapper/main /mnt
# boot partition
mkfs.ext4 ${path_to_disk}1
e2label ${path_to_disk}1 "boot"
mkdir /mnt/boot
mount ${path_to_disk}1 /mnt/boot
elif [ "$boot_mode" == "uefi" ];then
print_ok "Formatting for disk encryption and uefi/gpt ..."
# root partition
echo -n "$DEFAULT_PASSWORD" | cryptsetup luksFormat ${path_to_disk}3 -
echo -n "$DEFAULT_PASSWORD" | cryptsetup open ${path_to_disk}3 main -
mkfs.ext4 /dev/mapper/main
e2label /dev/mapper/main "root"
mount /dev/mapper/main /mnt
# boot partition
mkfs.ext4 ${path_to_disk}2
e2label ${path_to_disk}2 "boot"
mkdir /mnt/boot
mount ${path_to_disk}2 /mnt/boot
# efi partition
mkfs.fat -F32 ${path_to_disk}1
fatlabel ${path_to_disk}1 "efi"
mkdir /mnt/mnt
mount ${path_to_disk}1 /mnt/mnt
fi
fi
print_ok "Formatting done"
# install packages with pacstrap
pacstrap /mnt $PACKAGE_LIST
print_ok "Installed packages"
# generate /etc/fstab
genfstab -U /mnt >> /mnt/etc/fstab
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