413 lines
8.5 KiB
Bash
Executable File
413 lines
8.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o pipefail
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CONFIG="$(mktemp)"
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declare -rgA default_values=(
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["wifi_if"]="wlan0"
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["install_dev"]="/dev/mmcblk2"
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["repo"]="https://alpha.de.repo.voidlinux.org/current/aarch64"
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["arch"]="aarch64"
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["timezone"]="Europe/Zurich"
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["keymap"]="uk"
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["locale"]="en_US.UTF-8 UTF-8"
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)
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get_value() {
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local white=$'\e[97m'
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local nocolour=$'\e[0m'
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local var_name="$1"
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local prompt="$2"
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local secure=""
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if [ -n "$3" ]; then
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secure="s"
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fi
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# shellcheck source=/dev/null
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. "$CONFIG"
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if [ -z "${!var_name}" ]; then
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local def_val="${default_values[$var_name]}"
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read -${secure}rp "$white$prompt [$def_val]:$nocolour " value
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echo "export $var_name=\"${value:-$def_val}\"" >> "$CONFIG"
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# shellcheck source=/dev/null
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. "$CONFIG"
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fi
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echo "${!var_name}"
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}
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network() {
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local wifi_if
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wifi_if="$(get_value "wifi_if" "wifi interface name")"
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ip link set "$wifi_if" up
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nmcli device wifi list
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local wifi_ssid
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wifi_ssid="$(get_value "wifi_ssid" "wifi ssid")"
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local wifi_pw
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wifi_pw="$(get_value "wifi_pw" "wifi password" 1)"
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nmcli con delete "$wifi_ssid" || true
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nmcli device wifi connect "$wifi_ssid" password "$wifi_pw"
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}
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datetime() {
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local datetime
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datetime="$(get_value "datetime" "date and time now (like 2020-01-01 12:00)")"
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date "+%Y--%m-%d %T" --set="$datetime"
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hwclock --systohc
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}
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partition() {
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local install_dev
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install_dev="$(get_value "install_dev" "installation device")"
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if [ ! -e "$install_dev" ]; then
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echo "device node $install_dev does not exist"
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exit 1
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fi
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sfdisk --force "$install_dev" << EOF
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label: gpt
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start=16MiB size=512MiB, type=bc13c2ff-59e6-4262-a352-b275fd6f7172
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type=b921b045-1df0-41c3-af44-4c6f280d3fae
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EOF
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mkfs.vfat -F32 "$install_dev"p1
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}
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create_luks() {
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local install_dev
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install_dev="$(get_value "install_dev" "installation device")"
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cryptsetup luksFormat "$install_dev"p2
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}
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open_luks() {
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local install_dev
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install_dev="$(get_value "install_dev" "installation device")"
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cryptsetup open "$install_dev"p2 void
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}
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create_lvm() {
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pvcreate /dev/mapper/void
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vgcreate void /dev/mapper/void
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lvcreate -L 48G void -n swap
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lvcreate -l 100%FREE void -n root
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}
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open_lvm() {
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vgchange --activate y
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}
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make_filesystems() {
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mkswap -L SWAP /dev/void/swap
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mkfs.xfs -f -L ROOT /dev/void/root
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}
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ensure_mount() {
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local src="$1"
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local dest="$2"
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local with_rbind="$3"
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local rbind=""
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if [ ! -z "$with_rbind" ]; then
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rbind="--rbind"
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fi
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mount $rbind "$src" "$dest"
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if [ ! -z "$with_rbind" ]; then
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mount --make-rslave "$dest"
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fi
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}
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mount_filesystems() {
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local install_dev
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install_dev="$(get_value "install_dev" "installation device")"
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ensure_mount "/dev/void/root" "/mnt"
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mkdir -p /mnt/boot
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ensure_mount "$install_dev"p1 "/mnt/boot"
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swapon /dev/void/swap
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}
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install_basesystem() {
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local repo
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repo="$(get_value "repo" "package repository")"
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local arch
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arch="$(get_value "arch" "installation architecture")"
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XBPS_ARCH=$arch xbps-install -S -y -r /mnt -R "$repo" base-system pinebookpro-base dracut lvm2 cryptsetup sudo stow << 'EOF'
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y
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EOF
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cp /etc/resolv.conf /mnt/etc/
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}
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mount_special_filesystems() {
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ensure_mount "/sys" "/mnt/sys" 1
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ensure_mount "/dev" "/mnt/dev" 1
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ensure_mount "/proc" "/mnt/proc" 1
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ensure_mount "/tmp" "/mnt/tmp" 1
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}
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set_fstab() {
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local install_dev
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install_dev="$(get_value "install_dev" "installation device")"
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local boot_uuid
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boot_uuid="$(blkid | grep "${install_dev}p1" | awk '{print $2}')"
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cat >/mnt/etc/fstab <<EOF
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tmpfs /tmp tmpfs defaults,nosuid,nodev 0 0
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$boot_uuid /boot vfat defaults 0 0
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/dev/void/root / xfs defaults 0 0
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/dev/void/swap swap swap defaults 0 0
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EOF
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}
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set_boot_scr() {
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local install_dev
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install_dev="$(get_value "install_dev" "installation device")"
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local boot_txt="/mnt/boot/boot.txt"
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local boot_scr="/mnt/boot/boot.scr"
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local boot_txt_mine="/mnt/boot/boot.txt.mine"
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local mac
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mac="$(echo -n "06"; dd bs=1 count=5 if=/dev/random 2>/dev/null | hexdump -v -e '/1 " %02X"' | tr '[:upper:]' '[:lower:]')"
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local root_uuid
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root_uuid="$(blkid | grep "${install_dev}p2" | awk '{print $2}' | sed 's/"//g')"
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sed -i "s/setenv macaddr.*/setenv macadr $mac/g" "$boot_txt"
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sed -i "s|root=PARTUUID=|root=/dev/void/root rd.auto=1 cryptdevice=${root_uuid}:lvm|g" "$boot_txt"
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cp "$boot_txt" "$boot_txt_mine"
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mkimage -A arm -O linux -T script -C none -n "boot script" -d "$boot_txt" "$boot_scr"
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}
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set_sudoers() {
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sed -i 's/# %wheel ALL=(ALL) ALL/%wheel ALL=(ALL) ALL/g' /mnt/etc/sudoers
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}
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set_user() {
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local user_name
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user_name="$(get_value "user_name" "username")"
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local user_pw
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user_pw="$(get_value "user_pw" "user password" 1)"
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chroot /mnt /bin/env -i \
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user_name="$user_name" \
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user_pw="$user_pw" \
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/bin/bash <<"EOT"
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useradd --groups wheel --create-home --shell /bin/bash --user-group $user_name
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echo -e "$user_pw\n$user_pw" | passwd "$user_name"
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EOT
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}
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set_base_conf() {
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local timezone
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timezone="$(get_value "timezone" "timezone")"
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local keymap
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keymap="$(get_value "keymap" "keymap")"
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local hostname
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hostname="$(get_value "hostname" "hostname")"
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local locale
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locale="$(get_value "locale" "locale")"
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echo "$locale" >> /mnt/etc/default/libc-locales
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chroot /mnt /bin/env -i \
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timezone="$timezone" \
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/bin/bash <<"EOT"
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xbps-reconfigure -f glibc-locales
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ln -sf /usr/share/zoneinfo/$timezone /etc/localtime
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EOT
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echo "$hostname" > /mnt/etc/hostname
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cat >/mnt/etc/hosts <<EOF
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#
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# /etc/hosts: static lookup table for host names
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#
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#<ip-address> <hostname.domain.org> <hostname>
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127.0.0.1 localhost.localdomain localhost $hostname
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::1 localhost.localdomain localhost ip6-localhost $hostname
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# End of file
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EOF
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cat >/mnt/etc/rc.conf <<EOF
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# /etc/rc.conf - system configuration for void
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# Set the host name.
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#
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# NOTE: it's preferred to declare the hostname in /etc/hostname instead:
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# - echo myhost > /etc/hostname
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#
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#HOSTNAME="void-live"
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# Set RTC to UTC or localtime.
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#HARDWARECLOCK="UTC"
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# Set timezone, availables timezones at /usr/share/zoneinfo.
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TIMEZONE="$timezone"
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# Keymap to load, see loadkeys(8).
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KEYMAP="$keymap"
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# Console font to load, see setfont(8).
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#FONT="lat9w-16"
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# Console map to load, see setfont(8).
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#FONT_MAP=
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# Font unimap to load, see setfont(8).
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#FONT_UNIMAP=
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# Amount of ttys which should be setup.
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#TTYS=
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EOF
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}
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tidy_up() {
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sync
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if grep -qe "/mnt " /proc/mounts; then
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umount -R /mnt
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fi
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swapoff /dev/void/swap > /dev/null 2>&1 || true
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vgchange --activate n
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cryptsetup close void > /dev/null 2>&1 || true
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}
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full_install() {
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datetime
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network
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partition
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create_luks
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open_luks
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create_lvm
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open_lvm
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make_filesystems
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mount_filesystems
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install_basesystem
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mount_special_filesystems
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set_fstab
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set_boot_scr
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set_sudoers
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set_user
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set_base_conf
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tidy_up
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}
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repair() {
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open_luks
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open_lvm
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mount_filesystems
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mount_special_filesystems
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chroot /mnt bash
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tidy_up
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}
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help() {
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cat << EOF
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the following commands are available:
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datetime
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network
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partition
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create_luks
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open_luks
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create_lvm
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open_lvm
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make_filesystems
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mount_filesystems
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install_basesystem
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mount_special_filesystems
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set_fstab
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set_boot_scr
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set_sudoers
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set_user
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set_base_conf
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full_install
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repair
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tidy_up
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help
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ensure to understand what they are doing before using them
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EOF
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}
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commands=(
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"datetime"
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"network"
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"partition"
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"create_luks"
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"open_luks"
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"open_lvm"
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"make_filesystems"
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"mount_filesystems"
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"set_fstab"
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"set_boot_scr"
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"set_sudoers"
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"set_user"
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"set_base_conf"
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"full_install"
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"repair"
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"tidy_up"
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"help"
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)
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cmd_loop() {
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local cmd
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while [[ "$cmd" != "exit" ]]; do
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read -rp "${white}>$nocolour " cmd
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if [[ "${commands[*]}" == *"${cmd}"* ]]; then
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$cmd
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else
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if [ "$cmd" != "exit" ]; then
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echo "no such command"
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fi
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fi
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done
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}
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trap tidy_up 0 SIGHUP SIGINT SIGQUIT SIGABRT SIGTERM
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if [ "$1" == "full" ]; then
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full_install
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else
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cmd_loop
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fi
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