install-arch/install.sh

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#!/bin/bash
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set -e
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qpushd() {
pushd $@ > /dev/null
}
qpopd() {
popd $@ > /dev/null
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}
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quiet() {
local DUMMY
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set +e
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DUMMY=$($@ 2>&1 > /dev/null)
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if [ $? -ne 0 ]; then
echo "$DUMMY"
set -e
return 1
fi
set -e
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}
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ultra_quiet() {
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local DUMMY
DUMMY=$($@ 2>&1 > /dev/null)
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}
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### FORCE ROOT ###
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[ $(whoami) != "root" ] && echo "Please run as root" && exit 1
### CD TO MY DIR ###
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cd "$(dirname "$0")"
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### URLs ###
FZF_DOWNLOAD="$(curl -s https://api.github.com/repos/junegunn/fzf/releases/latest | grep linux_amd64 | sed -nE 's/^\s*"browser_download_url":\s*"(.*)"\s*$/\1/p')"
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PARTED_DOWNLOAD="https://archlinux.org/packages/extra/x86_64/parted/download"
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POST_INSTALL_SCRIPT="https://raw.githubusercontent.com/augustogunsch/install-arch/master/post-install.sh"
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KEYBOARD_MAP="https://raw.githubusercontent.com/augustogunsch/install-arch/master/keyboard-map.csv"
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### COLORS ###
RED='\033[0;31m'
LGREEN='\033[1;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color
BOLD=$(tput bold)
NORM=$(tput sgr0)
readonly RED
readonly LGREEN
readonly YELLOW
readonly NC
readonly BOLD
readonly NORM
### VARS ###
CUR_PHASE=1
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MAX_PHASE=4
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### INFO ###
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AVAILABLE_PLATFORMS='Both BIOS and UEFI systems\nOnly x86_64 systems\nDistros:\nArch\nArtix (OpenRC)\n'
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readonly AVAILABLE_PLATFORMS
echo "This script can only be run interactively. Make sure you are in a supported platform and have an Internet connection. Available platforms:"
echo -e "$AVAILABLE_PLATFORMS"
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### SYSTEM ###
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DISTRO=$(cat /etc/os-release | sed -nE 's/^ID=(.*)/\1/p')
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INIT_SYS=$(basename $(readlink /bin/init))
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set +e
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[ -d /sys/firmware/efi ] && UEFI=1 || UEFI=0
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set -e
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readonly DISTRO
readonly INIT_SYS
readonly UEFI
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right_chroot() {
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[ "$DISTRO" = "arch" ] && arch-chroot $@ || artix-chroot $@
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}
right_fstabgen() {
[ "$DISTRO" = "arch" ] && genfstab $@ || fstabgen $@
}
right_basestrap() {
[ "$DISTRO" = "arch" ] && pacstrap $@ || basestrap $@
}
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print_phase() {
echo -e "${BOLD}${YELLOW}[$CUR_PHASE/$MAX_PHASE] $1 phase${NC}${NORM}"
CUR_PHASE=$((CUR_PHASE+1))
}
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download_fzf() {
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[ -f /usr/bin/fzf ] && return 0
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echo -n "Downloading fzf (for script use only)..."
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curl -sL "$FZF_DOWNLOAD" -o fzf.tar.gz
tar -xf fzf.tar.gz
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mv ./fzf /usr/bin/fzf
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rm fzf.tar.gz
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echo "done"
}
download_parted() {
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[ -f /usr/bin/parted ] && return 0
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echo -n "Downloading parted (for script use only)..."
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curl -sL "$PARTED_DOWNLOAD" -o parted.tar.zst
tar -xf parted.tar.zst
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cp -r ./usr /
rm -r ./usr
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rm parted.tar.zst
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echo "done"
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}
prompt() {
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echo -n "$1 [Y/n] "
[ $NO_CONFIRM ] && echo "y" && return 1
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read ans
case $ans in
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n|N) return 0 ;;
*) return 1 ;;
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esac
}
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prompt_drive() {
local DRIVES="$(lsblk -pno NAME,TYPE,MODEL | awk 'BEGIN {count=1} $1 ~ /^\// {
if ($2 == "disk") {printf("%i'")"' %s \"", count, $1); for(i=3;i<NF;i++) printf("%s ", $i); printf("%s\"\n", $NF); count++ } }')"
echo "Available drives:"
printf " %-12s %s\n" "DISK" "IDENTIFIER"
echo -e "$DRIVES"
echo -n "Choose drive to install $DISTRO into (WARNING: it will be repartitioned and wiped out) (default=1): "
local drive
read drive
[ -z "$drive" ] && drive=1
DRIVE_TARGET=$(echo -e "$DRIVES" | awk '$1 ~ /^'$drive'\)$/ { print $2 }')
if [ -z "$DRIVE_TARGET" ]; then
echo "Invalid target"
exit 1
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fi
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set +e
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prompt "Installing to $DRIVE_TARGET. Confirm?"
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[ $? -eq 0 ] && exit 0
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set -e
}
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partition() {
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print_phase "Disk partitioning"
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set +e
ultra_quiet swapoff -a
set -e
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[ -f /bin/parted ] || download_parted
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local rootN
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[ $UEFI -eq 0 ] && rootN=2 || rootN=3
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echo -n "Partitioning drive..."
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echo -n "Configuring ROOT partition..."
quiet mkfs.ext4 -L ROOT "$DRIVE_TARGET"$rootN
quiet mount "$DRIVE_TARGET"$rootN /mnt
echo "done"
if [ $UEFI -eq 0 ]; then
# Legacy
parted --script "$DRIVE_TARGET" \
mklabel msdos \
mkpart primary linux-swap 0% 4GiB \
mkpart primary ext4 4GiB 100%
echo "done"
else
# EFI
parted --script "$DRIVE_TARGET" \
mklabel gpt \
mkpart swap linux-swap 0% 4GiB \
mkpart boot fat32 4GiB 5Gib \
mkpart root ext4 5GiB 100% \
set 2 esp on
echo "done"
echo -n "Configuring BOOT partition..."
quiet mkfs.fat -F 32 "$DRIVE_TARGET"2
fatlabel "$DRIVE_TARGET"2 BOOT
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mkdir -p /mnt/boot
quiet mount "$DRIVE_TARGET"2 /mnt/boot
echo "done"
fi
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echo -n "Configuring SWAP partition..."
quiet mkswap -L SWAP "$DRIVE_TARGET"1
quiet swapon "$DRIVE_TARGET"1
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echo "done"
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}
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install_base() {
print_phase "System installation"
echo -n "Installing base system, kernel, bootloader and vi..."
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quiet right_basestrap /mnt base base-devel linux linux-firmware grub vi
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echo "done"
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if [ "$DISTRO" = "artix" ]; then
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if [ "$INIT_SYS" = "openrc-init" ]; then
echo -n "Installing openrc..."
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quiet right_basestrap /mnt openrc elogind-openrc
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echo "done"
else
echo
echo "Error: Unsupported init system \"$INIT_SYS\""
exit 1
fi
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elif [ "$DISTRO" != "arch" ]; then
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echo
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echo "Error: Unsupported distro \"$DISTRO\""
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exit 1
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fi
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echo -n "Generating fstab..."
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right_fstabgen -U /mnt >> /mnt/etc/fstab
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echo "done"
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}
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set_timezone() {
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ln -sf "/usr/share/zoneinfo/$TIMEZONE" /mnt/etc/localtime
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quiet right_chroot /mnt hwclock --systohc
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}
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set_locale() {
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echo -n "Configuring locale..."
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sed "s/^#$LOCALE/$LOCALE/" < /mnt/etc/locale.gen > /etc/locale.gen
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quiet locale-gen
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cp -f /usr/lib/locale/locale-archive /mnt/usr/lib/locale/locale-archive
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cp -f /etc/locale.gen /mnt/etc/locale.gen
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local short_locale
local encoding
read short_locale encoding <<< "$LOCALE"
echo "export LANG=\"$short_locale\"" > /mnt/etc/locale.conf
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echo "done"
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echo -n "Setting keyboard layout..."
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IFS=, read -r dummy XKBD_LAYOUT XKBD_MODEL XKBD_VARIANT XKBD_OPTIONS <<< "$(grep "^$KBD_LAYOUT," -m1 keyboard-map.csv)"
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# systemd and others may read from here
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echo "KEYMAP=$KBD_LAYOUT" > /mnt/etc/vconsole.conf
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# while openrc and others may read from here
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KBD_LAYOUT_FULL_PATH=$(find /usr/share/kbd/keymaps -name "$KBD_LAYOUT.map.gz")
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mkdir -p /mnt/etc/conf.d
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echo "keymap=\"$KBD_LAYOUT_FULL_PATH\"" > /mnt/etc/conf.d/keymaps
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# and X11 will read from here
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local XKBD_CONF="/mnt/etc/X11/xorg.conf.d/00-keyboard.conf"
mkdir -p $(dirname $XKBD_CONF)
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echo "Section \"InputClass\"" > $XKBD_CONF
echo " Identifier \"system-keyboard\"" >> $XKBD_CONF
echo " MatchIsKeyboard \"on\"" >> $XKBD_CONF
echo " Option \"XkbLayout\" \"$XKBD_LAYOUT\"" >> $XKBD_CONF
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echo " Option \"XkbModel\" \"$XKBD_MODEL\"" >> $XKBD_CONF
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[ -n "$XKBD_VARIANT" ] && echo " Option \"XkbVariant\" \"$XKBD_VARIANT\"" >> $XKBD_CONF
[ -n "$XKBD_OPTIONS" ] && echo " Option \"XkbOptions\" \"$XKBD_OPTIONS\"" >> $XKBD_CONF
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echo "EndSection" >> $XKBD_CONF
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[ "$INIT_SYS" = "openrc-init" ] && quiet right_chroot /mnt rc-update add keymaps boot
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echo "done"
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}
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setup_grub() {
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echo -n "Configuring boot loader..."
if [ $UEFI -eq 1 ]; then
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quiet right_basestrap /mnt efibootmgr
quiet right_chroot /mnt grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB
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else
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quiet right_chroot /mnt grub-install --target=i386-pc "$DRIVE_TARGET"
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fi
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quiet right_chroot /mnt grub-mkconfig -o /boot/grub/grub.cfg
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echo "done"
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}
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setup_users() {
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echo -n "Configuring users..."
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set +e
# There might be a group with the user's name
awk -F: '$1 ~ /^'$PERSONAL_USER'$/ { exit 1 }' /etc/group
[ $? -eq 0 ] && right_chroot /mnt useradd --badnames -m "$PERSONAL_USER" || \
right_chroot /mnt useradd --badnames -m -g "$PERSONAL_USER" "$PERSONAL_USER"
set -e
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echo -e "root:$ROOT_PASSWORD\n$PERSONAL_USER:$PERSONAL_PASSWORD" | chpasswd -R /mnt
echo "done"
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}
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setup_network() {
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echo -n "Configuring hostname and network..."
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echo "$MACHINE_HOSTNAME" > /mnt/etc/hostname
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echo "127.0.0.1 localhost" > /mnt/etc/hosts
echo "::1 localhost" >> /mnt/etc/hosts
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echo "127.0.1.1 $MACHINE_HOSTNAME.localdomain $MACHINE_HOSTNAME" >> /mnt/etc/hosts
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quiet right_basestrap /mnt dhcpcd wpa_supplicant
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if [ "$DISTRO" = "artix" ]; then
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if [ "$INIT_SYS" = "openrc-init" ]; then
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echo "hostname=\"$MACHINE_HOSTNAME\"" > /mnt/etc/conf.d/hostname
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quiet right_basestrap /mnt connman-openrc
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quiet right_chroot /mnt rc-update add connmand
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fi
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else
quiet right_chroot /mnt systemctl enable dhcpcd
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fi
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echo "done"
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}
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ask_password() {
echo -n "Type password for $1: "
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stty -echo
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read USER_PASSWORD
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stty echo
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echo
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echo -n "Confirm password: "
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stty -echo
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local PASSWORD_CONFIRM
read PASSWORD_CONFIRM
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stty echo
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echo
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if [ "$USER_PASSWORD" != "$PASSWORD_CONFIRM" ]; then
echo "Wrong passwords. Please try again."
ask_password $1
fi
}
prompt_all() {
download_fzf
prompt_drive
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echo -n "Choose timezone:"
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qpushd /usr/share/zoneinfo
TIMEZONE="$(fzf --layout=reverse --height=20)"
qpopd
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echo "Choose timezone: $TIMEZONE"
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echo -n "Choose locale:"
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LOCALE=$(sed '/^#\s/D' < /etc/locale.gen | sed '/^#$/D' | sed 's/^#//' | fzf --layout=reverse --height=20)
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echo "Choose locale: $LOCALE"
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[ -f keyboard-map.csv ] || curl -sL "$KEYBOARD_MAP" -o keyboard-map.csv
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echo -n "Choose keyboard layout:"
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KBD_LAYOUT="$(awk -F, '{print $1}' keyboard-map.csv | fzf --layout=reverse --height=20)"
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echo "Choose keyboard layout: $KBD_LAYOUT"
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ask_password root
ROOT_PASSWORD="$USER_PASSWORD"
echo -n "Type your personal username: "
read PERSONAL_USER
ask_password "$PERSONAL_USER"
PERSONAL_PASSWORD="$USER_PASSWORD"
echo -n "Type the machine hostname: "
read MACHINE_HOSTNAME
}
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post_install() {
curl -sL "$POST_INSTALL_SCRIPT" -o post-install.sh
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mv post-install.sh /mnt/root
chmod +x /mnt/root/post-install.sh
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print_phase "Post installation"
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echo "From now on, the post installation script will be running"
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right_chroot /mnt /root/post-install.sh -nu "$PERSONAL_USER"
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}
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configure() {
print_phase "System configuration"
set_timezone
set_locale
setup_grub
setup_users
setup_network
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}
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main() {
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prompt_all
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partition
install_base
configure
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post_install
umount -R /mnt
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echo "ALSA must be configured manually. You can use 'alsamixer' to configure and then 'alsactl store' to save the changes."
echo "Most likely you just have to unmute the Main channel."
echo "Graphics drivers must also be installed manually. See Arch Wiki: Xorg#Driver_installation."
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echo -n "Ready to reboot. Press any key to continue..."
read dummy
reboot
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}
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main