197 lines
9.5 KiB
Bash
Executable File
197 lines
9.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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#-------------------------------------------------------------------------
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# █████╗ ██████╗ ██████╗██╗ ██╗████████╗██╗████████╗██╗ ██╗███████╗
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# ██╔══██╗██╔══██╗██╔════╝██║ ██║╚══██╔══╝██║╚══██╔══╝██║ ██║██╔════╝
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# ███████║██████╔╝██║ ███████║ ██║ ██║ ██║ ██║ ██║███████╗
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# ██╔══██║██╔══██╗██║ ██╔══██║ ██║ ██║ ██║ ██║ ██║╚════██║
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# ██║ ██║██║ ██║╚██████╗██║ ██║ ██║ ██║ ██║ ╚██████╔╝███████║
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# ╚═╝ ╚═╝╚═╝ ╚═╝ ╚═════╝╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚══════╝
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#-------------------------------------------------------------------------
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#github-action genshdoc
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#
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# @file Preinstall
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# @brief Contains the steps necessary to configure and pacstrap the install to selected drive.
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echo -ne "
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-------------------------------------------------------------------------
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█████╗ ██████╗ ██████╗██╗ ██╗████████╗██╗████████╗██╗ ██╗███████╗
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██╔══██╗██╔══██╗██╔════╝██║ ██║╚══██╔══╝██║╚══██╔══╝██║ ██║██╔════╝
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███████║██████╔╝██║ ███████║ ██║ ██║ ██║ ██║ ██║███████╗
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██╔══██║██╔══██╗██║ ██╔══██║ ██║ ██║ ██║ ██║ ██║╚════██║
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██║ ██║██║ ██║╚██████╗██║ ██║ ██║ ██║ ██║ ╚██████╔╝███████║
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╚═╝ ╚═╝╚═╝ ╚═╝ ╚═════╝╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚══════╝
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-------------------------------------------------------------------------
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Automated Arch Linux Installer
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-------------------------------------------------------------------------
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Setting up mirrors for optimal download
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"
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source $CONFIGS_DIR/setup.conf
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iso=$(curl -4 ifconfig.co/country-iso)
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timedatectl set-ntp true
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pacman -S --noconfirm archlinux-keyring #update keyrings to latest to prevent packages failing to install
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pacman -S --noconfirm --needed pacman-contrib terminus-font
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setfont ter-v22b
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sed -i 's/^#ParallelDownloads/ParallelDownloads/' /etc/pacman.conf
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pacman -S --noconfirm --needed reflector rsync grub
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cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup
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echo -ne "
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-------------------------------------------------------------------------
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Setting up $iso mirrors for faster downloads
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-------------------------------------------------------------------------
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"
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reflector -a 48 -c $iso -f 5 -l 20 --sort rate --save /etc/pacman.d/mirrorlist
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mkdir /mnt &>/dev/null # Hiding error message if any
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echo -ne "
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-------------------------------------------------------------------------
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Installing Prerequisites
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-------------------------------------------------------------------------
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"
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pacman -S --noconfirm --needed gptfdisk btrfs-progs glibc
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echo -ne "
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-------------------------------------------------------------------------
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Formating Disk
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-------------------------------------------------------------------------
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"
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umount -A --recursive /mnt # make sure everything is unmounted before we start
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# disk prep
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sgdisk -Z ${DISK} # zap all on disk
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sgdisk -a 2048 -o ${DISK} # new gpt disk 2048 alignment
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# create partitions
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sgdisk -n 1::+1M --typecode=1:ef02 --change-name=1:'BIOSBOOT' ${DISK} # partition 1 (BIOS Boot Partition)
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sgdisk -n 2::+300M --typecode=2:ef00 --change-name=2:'EFIBOOT' ${DISK} # partition 2 (UEFI Boot Partition)
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sgdisk -n 3::-0 --typecode=3:8300 --change-name=3:'ROOT' ${DISK} # partition 3 (Root), default start, remaining
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if [[ ! -d "/sys/firmware/efi" ]]; then # Checking for bios system
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sgdisk -A 1:set:2 ${DISK}
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fi
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partprobe ${DISK} # reread partition table to ensure it is correct
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# make filesystems
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echo -ne "
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-------------------------------------------------------------------------
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Creating Filesystems
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-------------------------------------------------------------------------
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"
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# @description Creates the btrfs subvolumes.
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createsubvolumes () {
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btrfs subvolume create /mnt/@
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btrfs subvolume create /mnt/@home
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btrfs subvolume create /mnt/@var
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btrfs subvolume create /mnt/@tmp
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btrfs subvolume create /mnt/@.snapshots
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}
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# @description Mount all btrfs subvolumes after root has been mounted.
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mountallsubvol () {
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mount -o ${MOUNT_OPTIONS},subvol=@home ${partition3} /mnt/home
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mount -o ${MOUNT_OPTIONS},subvol=@tmp ${partition3} /mnt/tmp
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mount -o ${MOUNT_OPTIONS},subvol=@var ${partition3} /mnt/var
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mount -o ${MOUNT_OPTIONS},subvol=@.snapshots ${partition3} /mnt/.snapshots
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}
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# @description BTRFS subvolulme creation and mounting.
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subvolumesetup () {
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# create nonroot subvolumes
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createsubvolumes
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# unmount root to remount with subvolume
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umount /mnt
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# mount @ subvolume
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mount -o ${MOUNT_OPTIONS},subvol=@ ${partition3} /mnt
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# make directories home, .snapshots, var, tmp
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mkdir -p /mnt/{home,var,tmp,.snapshots}
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# mount subvolumes
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mountallsubvol
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}
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if [[ "${DISK}" =~ "nvme" ]]; then
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partition2=${DISK}p2
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partition3=${DISK}p3
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else
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partition2=${DISK}2
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partition3=${DISK}3
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fi
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if [[ "${FS}" == "btrfs" ]]; then
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mkfs.vfat -F32 -n "EFIBOOT" ${partition2}
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mkfs.btrfs -L ROOT ${partition3} -f
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mount -t btrfs ${partition3} /mnt
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subvolumesetup
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elif [[ "${FS}" == "ext4" ]]; then
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mkfs.vfat -F32 -n "EFIBOOT" ${partition2}
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mkfs.ext4 -L ROOT ${partition3}
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mount -t ext4 ${partition3} /mnt
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elif [[ "${FS}" == "luks" ]]; then
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mkfs.vfat -F32 -n "EFIBOOT" ${partition2}
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# enter luks password to cryptsetup and format root partition
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echo -n "${LUKS_PASSWORD}" | cryptsetup -y -v luksFormat ${partition3} -
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# open luks container and ROOT will be place holder
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echo -n "${LUKS_PASSWORD}" | cryptsetup open ${partition3} ROOT -
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# now format that container
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mkfs.btrfs -L ROOT ${partition3}
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# create subvolumes for btrfs
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mount -t btrfs ${partition3} /mnt
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subvolumesetup
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# store uuid of encrypted partition for grub
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echo ENCRYPTED_PARTITION_UUID=$(blkid -s UUID -o value ${partition3}) >> $CONFIGS_DIR/setup.conf
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fi
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# mount target
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mkdir -p /mnt/boot/efi
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mount -t vfat -L EFIBOOT /mnt/boot/
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if ! grep -qs '/mnt' /proc/mounts; then
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echo "Drive is not mounted can not continue"
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echo "Rebooting in 3 Seconds ..." && sleep 1
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echo "Rebooting in 2 Seconds ..." && sleep 1
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echo "Rebooting in 1 Second ..." && sleep 1
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reboot now
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fi
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echo -ne "
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-------------------------------------------------------------------------
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Arch Install on Main Drive
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-------------------------------------------------------------------------
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"
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pacstrap /mnt base base-devel linux linux-firmware vim nano sudo archlinux-keyring wget libnewt --noconfirm --needed
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echo "keyserver hkp://keyserver.ubuntu.com" >> /mnt/etc/pacman.d/gnupg/gpg.conf
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cp -R ${SCRIPT_DIR} /mnt/root/ArchTitus
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cp /etc/pacman.d/mirrorlist /mnt/etc/pacman.d/mirrorlist
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genfstab -L /mnt >> /mnt/etc/fstab
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echo "
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Generated /etc/fstab:
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"
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cat /mnt/etc/fstab
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echo -ne "
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-------------------------------------------------------------------------
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GRUB BIOS Bootloader Install & Check
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-------------------------------------------------------------------------
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"
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if [[ ! -d "/sys/firmware/efi" ]]; then
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grub-install --boot-directory=/mnt/boot ${DISK}
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else
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pacstrap /mnt efibootmgr --noconfirm --needed
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fi
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echo -ne "
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-------------------------------------------------------------------------
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Checking for low memory systems <8G
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-------------------------------------------------------------------------
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"
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TOTAL_MEM=$(cat /proc/meminfo | grep -i 'memtotal' | grep -o '[[:digit:]]*')
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if [[ $TOTAL_MEM -lt 8000000 ]]; then
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# Put swap into the actual system, not into RAM disk, otherwise there is no point in it, it'll cache RAM into RAM. So, /mnt/ everything.
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mkdir -p /mnt/opt/swap # make a dir that we can apply NOCOW to to make it btrfs-friendly.
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chattr +C /mnt/opt/swap # apply NOCOW, btrfs needs that.
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dd if=/dev/zero of=/mnt/opt/swap/swapfile bs=1M count=2048 status=progress
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chmod 600 /mnt/opt/swap/swapfile # set permissions.
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chown root /mnt/opt/swap/swapfile
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mkswap /mnt/opt/swap/swapfile
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swapon /mnt/opt/swap/swapfile
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# The line below is written to /mnt/ but doesn't contain /mnt/, since it's just / for the system itself.
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echo "/opt/swap/swapfile none swap sw 0 0" >> /mnt/etc/fstab # Add swap to fstab, so it KEEPS working after installation.
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fi
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echo -ne "
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-------------------------------------------------------------------------
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SYSTEM READY FOR 1-setup.sh
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-------------------------------------------------------------------------
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"
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