live-bootstrap/steps/improve/after.sh

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#!/bin/sh
#
# SPDX-FileCopyrightText: 2024 Gábor Stefanik <netrolller.3d@gmail.com>
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# After bootstrap, drop to a shell if needed, then shut down cleanly.
. /steps/bootstrap.cfg
. /steps/env
if [ "${INTERACTIVE}" = True ]; then
env - PATH=${PREFIX}/bin PS1="\w # " bash -i
fi
if [ "${CHROOT}" = False ]; then
# ignore errors due to fstab or swapfile not existing
swapoff -a &> /dev/null || true
sync
# sysrq to avoid device busy; then mount to wait for it to finish
echo u > /proc/sysrq-trigger
mount -o remount,ro /
echo o > /proc/sysrq-trigger # power off
while true; do sleep 1; done
fi