e57c84c5e6
Implement com(4) interrupt support for receiving data. Add termios terminal support to the com(4) driver with tcsetattr(2) support for configuring the hardware serial settings. Add kernel(7) --console option which can be used to initialize the com(4) driver early for the kernel console with the specified serial settings and window size. Add kernel(7) --text option for overriding the TERM environment variable. Add kernel(7) --disable-logo option for disabling writing the the operating system logo to the console on boot. Add advanced bootloader option to select booting to a serial console on com1. Add bootloader variables and hooks to customize this behavior. Add tix-iso-bootconfig(8) --console, --grub-serial, --serial, and --serial-console options as a convenince to opt into booting to the serial console by default. Add tix-iso-bootconfig(8) --kernel-options option for forwarding additional options to the kernel. The logterminal driver used for tty1 currently assumes that it controls the kernel log, which is not true when com(4) is used as the console, therefore the tty1 driver is currently disabled if a serial console is selected, as a temporary workaround.
240 lines
7.3 KiB
Bash
Executable file
240 lines
7.3 KiB
Bash
Executable file
#!/bin/sh
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# Copyright (c) 2017, 2018, 2022, 2023 Jonas 'Sortie' Termansen.
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# tix-iso-bootconfig
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# Generate hooks that configure the bootloader of releases iso images.
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set -e
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append_title="modified by $(id -un)@$(hostname)"
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console=
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default=
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directory=
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enable_append_title=true
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enable_dhclient=
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enable_gui=
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enable_network_drivers=
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enable_ntpd=
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enable_src=
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enable_sshd=
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grub_serial=
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kernel_options=
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init_target=
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liveconfig=
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serial=
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serial_console=
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operand=1
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random_seed=false
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timeout=
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dashdash=
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previous_option=
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for argument do
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if test -n "$previous_option"; then
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eval $previous_option=\$argument
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previous_option=
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continue
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fi
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case $argument in
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*=?*) parameter=$(expr "X$argument" : '[^=]*=\(.*\)' || true) ;;
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*=) parameter= ;;
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*) parameter=yes ;;
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esac
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case $dashdash$argument in
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--) dashdash=yes ;;
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--append-title=*) append_title=$parameter ;;
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--append-title) previous_option=append_title ;;
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--console=*) console=$parameter ;;
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--console) previous_option=console ;;
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--default=*) default=$parameter ;;
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--default) previous_option=default ;;
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--disable-append-title) enable_append_title=false ;;
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--disable-dhclient) enable_dhclient=false ;;
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--disable-gui) enable_gui=false ;;
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--disable-network-drivers) enable_network_drivers=false ;;
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--disable-ntpd) enable_ntpd=false ;;
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--disable-src) enable_src=false ;;
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--disable-sshd) enable_sshd=false ;;
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--enable-append-title) enable_append_title=true ;;
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--enable-dhclient) enable_dhclient=true ;;
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--enable-gui) enable_gui=true ;;
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--enable-network-drivers) enable_network_drivers=true ;;
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--enable-ntpd) enable_ntpd=true ;;
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--enable-src) enable_src=true ;;
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--enable-sshd) enable_sshd=true ;;
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--grub-serial=*) grub_serial=$parameter ;;
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--grub-serial) previous_option=grub_serial ;;
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--kernel-options=*) kernel_options=$parameter ;;
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--kernel-options) previous_option=kernel_options ;;
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--init-target=*) init_target=$parameter ;;
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--init-target) previous_option=init_target ;;
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--liveconfig=*) liveconfig=$parameter ;;
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--liveconfig) previous_option=liveconfig ;;
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--random-seed) random_seed=true ;;
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--serial=*) serial=$parameter ;;
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--serial) previous_option=serial ;;
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--serial-console=*) serial_console=$parameter ;;
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--serial-console) previous_option=serial_console ;;
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--timeout=*) timeout=$parameter ;;
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--timeout) previous_option=timeout ;;
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-*) echo "$0: unrecognized option $argument" >&2
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exit 1 ;;
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*)
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if [ $operand = 1 ]; then
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directory="$argument"
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operand=2
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else
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echo "$0: unexpected extra operand $argument" >&2
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exit 1
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fi
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;;
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esac
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done
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if test -n "$previous_option"; then
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echo "$0: option '$argument' requires an argument" >&2
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exit 1
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fi
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if test -n "$serial"; then
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enable_gui=false
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console="$serial"
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grub_serial="$serial"
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serial_console="$serial"
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fi
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if test -z "$directory"; then
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echo "$0: No directory was specified" >&2
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exit 1
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fi
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human_size() {
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(export LC_ALL=C; du -bh -- "$1" 2>/dev/null || du -h -- "$1") |
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sed -E 's/^([^[:space:]]+).*/\1/'
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}
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print_enable_default() {
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if [ "$1" = true ]; then
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printf "enable_%s=--enable-%s\n" "$2" "$3"
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elif [ "$1" = false ]; then
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printf "enable_%s=--disable-%s\n" "$2" "$3"
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fi
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}
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print_enable_default_bool() {
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if [ "$1" = true ]; then
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printf "enable_%s=true\n" "$2"
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elif [ "$1" = false ]; then
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printf "enable_%s=false\n" "$2"
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fi
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}
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if $random_seed; then
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mkdir -p -- "$directory/boot"
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if which dd >/dev/null 2>/dev/null; then
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dd if=/dev/urandom of="$directory/boot/random.seed" bs=256 count=1 2>/dev/null
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elif which rw >/dev/null 2>/dev/null; then
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rw -i /dev/urandom -o "$directory/boot/random.seed" -c 256 -t
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else
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echo "$0: Neither dd(1) nor rw(1) are installed" >&2
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exit 1
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fi
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fi
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has_autoinstall=false
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has_autoupgrade=false
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if [ -n "$liveconfig" ]; then
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if [ -e "$liveconfig/etc/autoinstall.conf" ]; then
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has_autoinstall=true
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fi
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if [ -e "$liveconfig/etc/autoupgrade.conf" ]; then
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has_autoupgrade=true
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fi
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mkdir -p -- "$directory/boot"
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(cd "$liveconfig" && tar -c -f- -- *) > "$directory/boot/liveconfig.tar"
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rm -f -- "$directory/boot/liveconfig.tar.xz"
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xz -- "$directory/boot/liveconfig.tar"
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fi
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mkdir -p -- "$directory/boot/grub"
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(if [ -e "$directory/boot/liveconfig.tar.xz" ]; then
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printf 'insmod xzio\n'
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fi
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if [ -n "$console" ]; then
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printf 'console="--console=%s"\n' "$console"
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fi
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if [ -n "$default" ]; then
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printf 'default="%s"\n' "$default"
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fi
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if [ -n "$serial_console" ]; then
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printf 'serial_console="--console=%s"\n' "$serial_console"
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fi
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if [ -n "$timeout" ]; then
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printf 'timeout="%s"\n' "$timeout"
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fi
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if $has_autoinstall; then
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echo "title_sysinstall='***AUTOMATIC INSTALLATION***'"
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fi
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if $has_autoupgrade; then
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echo "title_sysupgrade='***AUTOMATIC UPGRADE***'"
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fi
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print_enable_default_bool "$enable_dhclient" dhclient dhclient
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print_enable_default_bool "$enable_gui" gui gui
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print_enable_default "$enable_network_drivers" network_drivers network-drivers
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print_enable_default_bool "$enable_src" src src
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print_enable_default_bool "$enable_sshd" sshd sshd
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print_enable_default_bool "$enable_ntpd" ntpd ntpd
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if [ -n "$kernel_options" ]; then
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printf 'kernel_options="%s"\n' "$kernel_options"
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fi
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if $enable_append_title; then
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printf "base_menu_title=\"\$base_menu_title - \"'%s'\n" \
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"$(printf '%s\n' "$append_title" | sed "s/'/'\\\\''/g")"
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fi
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if [ -n "$grub_serial" ]; then
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device=$(expr "X$grub_serial" : 'Xcom\([0-9]\+\).*' || true)
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device=$(expr "$device" - 1 || true)
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settings=$(expr "X$grub_serial" : 'Xcom[0-9]\+,\([^,]*\)\(,.*\)\?' || true)
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speed=$(expr "X$settings" : 'X\([0-9]*\)[noe][5678]' || true)
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parity=$(expr "X$settings" : 'X[0-9]*\([noe]\)[5678]' || true)
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case "$parity" in n) parity=no;; o) parity=odd;; e) parity=even;; esac
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bits=$(expr "X$settings" : 'X[0-9]*[noe]\([5678]\)' || true)
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cat << EOF
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function hook_initialize_terminal {
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serial --unit=$device ${speed+--speed=$speed} ${parity+--parity=$parity} \
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${bits+--word=$bits}
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terminal_input serial
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terminal_output serial
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}
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EOF
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fi
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if [ -n "$init_target" ]; then
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printf 'function hook_menu_pre {\n'
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printf ' menuentry "Sortix (%s)" {\n' "$init_target"
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printf ' load_sortix -- /sbin/init --target=%s\n' "$init_target"
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printf ' }\n'
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printf '}\n'
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fi
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if [ -e "$directory/boot/liveconfig.tar.xz" ]; then
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printf 'function hook_initrd_post {\n'
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printf ' echo -n "Loading /boot/liveconfig.tar.xz (%s) ... "\n' \
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"$(human_size "$directory/boot/liveconfig.tar.xz")"
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printf ' module /boot/liveconfig.tar.xz\n'
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printf ' echo done\n'
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printf '}\n'
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fi
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) > "$directory/boot/grub/hooks.cfg"
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