a785ba7d5d
- Preinstall on the new system the "less" package - Create the swap file after mounting the root partition
131 lines
3.5 KiB
Bash
Executable File
131 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# For reference: https://wiki.archlinux.org/title/Installation_guide
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# TODO:
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# - Add support for BIOS platform
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# - Add more filesystem options (defaults to ext4)
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# - Make script recoverable from errors (save script stage)
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# - Add support for custom localization configuration (defaults to en_US.UTF-8)
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platform="bios"
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input=""
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disk="/dev/sda"
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echoerr() { cat <<< "$@" 1>&2; }
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# Check if script is being run as root
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if [[ $(id -u) -ne 0 ]]; then
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echoerr "[ERROR] This script needs root permissions to be executed"
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exit 1
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fi
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# Verify the boot mode
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if [[ ! -f "/sys/firmware/efi/fw_platform_size" ]]; then
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echoerr "[ERROR] Non UEFI platforms are not supported by this script"
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exit 2
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else
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platform=$(cat /sys/firmware/efi/fw_platform_size)
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echo "[INFO] Platform: ${platform}-bit UEFI"
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fi
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# Test internet connectivity
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if ! ping -q -c1 archlinux.org &>/dev/null; then
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echoerr "[ERROR] Not connected to the internet"
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exit 3
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else
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echo "[INFO] Connected to the internet"
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fi
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# Select disk to be partitioned
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echo -e "[INFO] Printing available disks\n"
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fdisk -l
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read -p "Enter installation disk (${disk}): " input
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if [[ -n "$input" ]]; then
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disk="$input"
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fi
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if [[ ! -b "$disk" ]]; then
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echoerr "[ERROR] The selected disk does not exist"
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exit 4
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fi
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# Partition the disk
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echo "[INFO] Partitioning the disk with the following layout:"
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echo " | Mount point | Partition Type | Size |"
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echo " |-------------|-----------------------|-------------------------|"
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echo " | /boot | EFI system partition | 1 GiB |"
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echo " | /swapfile | Linux swap | 4 GiB |"
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echo " | / | Linux x86-64 root (/) | Remainder of the device |"
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(
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echo g # Create a new empty GPT partition table
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# EFI system partition
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echo n # Add a new partition
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echo 1 # Partition number
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echo # First sector (accept default)
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echo "+1GiB" # Last sector
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echo t # Change partition type
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echo "uefi" # "EFI system" partition type
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# Root partition
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echo n # Add a new partition
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echo 2 # Partition number
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echo # First sector (accept default)
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echo # Last sector (accept default)
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echo t # Change partition type
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echo 2 # Select partition
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echo 23 # "Linux root (x86-64)" partition type
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echo w # Write changes
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) | fdisk "$disk" &>/dev/null
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# TODO: Check if fdisk terminated succesfully
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# Format the partitions
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echo "[INFO] Formatting the partitions"
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mkfs.fat -F 32 "${disk}1" &>/dev/null
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mkfs.ext4 "${disk}2" &>/dev/null
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# TODO: Check if formatting the partitions went correctly
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# Mount the file systems
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echo "[INFO] Mounting the file systems"
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mount "${disk}2" /mnt
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mount --mkdir "${disk}1" /mnt/boot
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# Swap file
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echo "[INFO] Creating the swap file"
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mkswap -U clear --size 4G --file /mnt/swapfile &>/dev/null
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swapon /mnt/swapfile
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# TODO: Select the mirrors for faster download speeds
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# Install essential packages
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echo "[INFO] Installing essential packages"
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pacstrap -K /mnt base linux linux-firmware \
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intel-ucode amd-ucode \
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networkmanager \
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grub efibootmgr \
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less
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# Generate the fstab file
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echo "[INFO] Generating fstab file"
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genfstab -U /mnt >> /mnt/etc/fstab
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# Change root into the new system
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cp ./chroot.sh /mnt/chroot.sh
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echo "[INFO] Changing root into the new system"
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arch-chroot /mnt bash /chroot.sh
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# Unmount partitions
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umount -R /mnt
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swapoff -a
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# Tell the user that it's ok to reboot now
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echo "[INFO] Now you also can say \"I use Arch, BTW\". Reboot when you're ready"
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exit 0
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