install-arch/install.sh

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