shimboot/bootloader/bin/bootstrap.sh

#!/bin/busybox sh
# Copyright 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# To bootstrap the factory installer on rootfs. This file must be executed as
# PID=1 (exec).
# Note that this script uses the busybox shell (not bash, not dash).

#original: https://chromium.googlesource.com/chromiumos/platform/initramfs/+/refs/heads/main/factory_shim/bootstrap.sh

set +x

invoke_terminal() {
  local tty="$1"
  local title="$2"
  shift
  shift
  # Copied from factory_installer/factory_shim_service.sh.
  echo "${title}" >>${tty}
  setsid sh -c "exec script -afqc '$*' /dev/null <${tty} >>${tty} 2>&1 &"
}

enable_debug_console() {
  local tty="$1"
  echo -e '\033[1;33m[cros_debug] enabled on '${tty}'.\033[m'
  invoke_terminal "${tty}" "[Bootstrap Debug Console]" "/bin/busybox sh"
}

find_rootfs_partitions() {
  disks=$(fdisk -l | sed -n "s/Disk \(\/dev\/.*\):.*/\1/p")
  for disk in $disks; do
    echo $disk
  done
}

main() {
  echo "...:::||| Bootstrapping ChromeOS Factory Shim |||:::..."
  echo "TTY: ${TTY}, LOG: ${LOG_TTY}, echo: ${echo_TTY}, DEBUG: ${DEBUG_TTY}"
  echo "idk please work"
  
  find_rootfs_partitions
  enable_debug_console "/dev/pts/0"
}

main "$@"
sleep 1d