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CISS.debian.live.builder/lib/lib_boot_screen.sh
2025-06-05 22:14:09 +02:00

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#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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.hardened.installer framework.
# SPDX-PackageName: CISS.debian.live.builder
# SPDX-Security-Contact: security@coresecret.eu
#######################################
# Change Grub Boot Screen Splash
# Globals:
# PID_BOOT_SCREEN
# PIPE_BOOT_SCREEN
# Arguments:
# None
#######################################
boot_screen() {
clear
declare -gr PIPE_BOOT_SCREEN="/tmp/progress.fifo"
[[ -p "${PIPE_BOOT_SCREEN}" ]] || mkfifo "${PIPE_BOOT_SCREEN}"
setsid dialog --no-collapse \
--ascii-lines \
--keep-tite \
--title "CISS.debian.live.builder" \
--gauge "Starting initialization..." \
10 70 0 \
< "${PIPE_BOOT_SCREEN}" &
declare -gr PID_BOOT_SCREEN="$!"
exec 3> "${PIPE_BOOT_SCREEN}"
}
#######################################
# Boot Screen Terminal Cleaner
# Globals:
# boot_screen_pid
# boot_screen_pipe
# Arguments:
# None
#######################################
boot_screen_cleaner() {
exec 3>&-
kill -TERM -- -"${PID_BOOT_SCREEN}" 2>/dev/null || true
wait "${PID_BOOT_SCREEN}" 2>/dev/null || true
rm -f "${PIPE_BOOT_SCREEN}"
clean_screen
sleep 1
}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh