#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-02-13; WEIDNER, Marc S.; <cendev@coresecret.eu>
# SPDX-ExternalRef: GIT https://cendev.eu/marc.weidner/CISS.2025.debian.installer.git
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <cendev@coresecret.eu>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
# SPDX-LicenseComment: This file is part of the CISS.2025.hardened.installer framework.
# SPDX-PackageName: CISS.2025.hardened.installer
# SPDX-Security-Contact: security@coresecret.eu

###########################################################################################
# 3.7.6. Functions - installation - setup locales                                         #
###########################################################################################

###########################################################################################
# Set locale and configure keyboard layout
# Globals:
#   MODULE_ERR
#   MODULE_TXT
#   TARGET
#   locale_keyboard_layout
#   locale_keyboard_xkb_keymap
#   locale_locale
# Arguments:
#   None
###########################################################################################
3_7_6_functions_installation_setup_locales() {
  declare -g -x MODULE_ERR="3_7_6_functions_installation_setup_locales"
  declare -g -x MODULE_TXT="Setup locales and configure keyboard layout"
  do_show_header "${MODULE_TXT}"

  do_in_target "${TARGET}" apt-get install -y locales
  do_log "info" "true" "Command: 'apt-get install -y locales' executed in: '${TARGET}'."

  # TODO: Alternative elif statement to use separately configured variables '{$locale_country}' and '{$locale_language}'.
  # Give priority to '${locale_locale}' over separately configured variables '{$locale_country}' and '{$locale_language}'.
  if [[ -n ${locale_locale} ]]; then

    # Generate the specified locale
    do_in_target "${TARGET}" locale-gen "${locale_locale}"
    do_log "info" "true" "Command: 'locale-gen ${locale_locale}' executed in: '${TARGET}'."

    # Set the standard locale
    do_in_target "${TARGET}" update-locale LANG="${locale_locale}" LC_ALL="${locale_locale}"
    do_log "info" "true" "Command: 'update-locale LANG=${locale_locale} LC_ALL=${locale_locale}' executed in: '${TARGET}'."

    # Set the keyboard layout for the system (for consoles)
    sed -i "s/^KEYMAP=.*/KEYMAP=${locale_keyboard_layout}/" "${TARGET}"/etc/default/keyboard
    do_log "info" "false" "Keyboard layout updated: 'KEYMAP=${locale_keyboard_layout}' -> '${TARGET}/etc/default/keyboard'."

    # Set the X11 keyboard layout (for graphical environments)
    do_in_target "${TARGET}" localectl set-x11-keymap "${locale_keyboard_xkb_keymap}"
    do_log "info" "true" "Command: 'localectl set-x11-keymap ${locale_keyboard_xkb_keymap}' executed in: '${TARGET}'."

  fi

  do_show_footer "${MODULE_TXT}"
}
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