#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu

guard_sourcing

#######################################
# Deploy all changes made using the 'update-grub' and 'update-initramfs' commands.
# Globals:
#   VAR_CHROOT_SYS_MASK_HELPEr
#   VAR_KERNEL
# Arguments:
#   None
# Returns:
#   0: on success
#######################################
update_initramfs() {
  ### Declare Arrays, HashMaps, and Variables.
  declare -r  var_logfile="/root/.ciss/cdi/log/4320_update_initramfs.log"
  # shellcheck disable=SC2153
  declare -r  var_kernel="${VAR_KERNEL#linux-image-}"

  chroot_logger "${TARGET}${var_logfile}"

  chroot_script "${TARGET}" "
    update-grub 2>&1 | tee -a ${var_logfile}
    echo ExitCode: \$? >> ${var_logfile}
  "

  chroot_script "${TARGET}" "
    ### Write the helper verbatim (no host-side expansion).
    cat >| /tmp/.ciss_sysmask_helper.sh << 'EOS_ENTER'
${VAR_CHROOT_SYS_MASK_HELPER}
EOS_ENTER

    source /tmp/.ciss_sysmask_helper.sh

    ### run: mask sys, build, unmask.
    cdi_sys_mask_enter

    depmod -a ${var_kernel} 2>&1 | tee -a ${var_logfile}

    update-initramfs -c -v -k all 2>&1 | tee -a ${var_logfile}
    echo ExitCode: \$? >> ${var_logfile}

    cdi_sys_mask_leave
    rm -f /tmp/.ciss_sysmask_helper.sh
  "

  chroot_script "${TARGET}" "
    update-grub 2>&1 | tee -a ${var_logfile}
    echo ExitCode: \$? >> ${var_logfile}
  "

  guard_dir && return 0
}
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