#!/bin/sh

# shellcheck disable=SC2034,SC3043,SC1091,SC2154

## Copyright (C) 2019 - 2025 ENCRYPTED SUPPORT LLC <adrelanos@whonix.org>
## See the file COPYING for copying conditions.

## Attempting to debug why during the build process /boot/grub/grub.cfg
## sometimes contains root=/dev/mapper because this breaks the boot process.

## style-ok: no-strict
set -o errexit
set -o nounset

output() {
   ## Write to stdout to add this to grub.cfg.
   printf '%s\n' "## $*"
   ## Write to stderr so it is shown in console and not added to the grub config file.
   printf '%s\n' "$*" >&2
}

## Do this only in chroot (during the build process).
if ! ischroot --default-false >/dev/null 2>&1 ; then
   exit 0
fi

output "grub-live $0: information START"

files_exists_test() {
   if test -e "$1" ; then
      output "file '$1' exists: yes"
   else
      output "file '$1' exists: no"
   fi
}

output "GRUB_DISABLE_LINUX_UUID: '${GRUB_DISABLE_LINUX_UUID-}'"
output "GRUB_DISABLE_LINUX_PARTUUID: '${GRUB_DISABLE_LINUX_PARTUUID-}'"

output "GRUB_DEVICE: '${GRUB_DEVICE}'"
output "GRUB_DEVICE_UUID: '${GRUB_DEVICE_UUID}'"
output "GRUB_DEVICE_PARTUUID: '${GRUB_DEVICE_PARTUUID}'"
output "GRUB_DEVICE_BOOT: '${GRUB_DEVICE_BOOT}'"
output "GRUB_DEVICE_BOOT_UUID: '${GRUB_DEVICE_BOOT_UUID}'"

files_exists_test "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}"
files_exists_test "/dev/disk/by-partuuid/${GRUB_DEVICE_PARTUUID}"
files_exists_test "${GRUB_DEVICE}"

output "grub-live $0: information END"
