V8.02.512.2025.05.30

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

lib/lib_boot_screen.sh

@@ -0,0 +1,53 @@
+#!/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:
+#   boot_screen_pid
+#   boot_screen_pipe
+# Arguments:
+#  None
+#######################################
+boot_screen() {
+  clear
+  declare -gr boot_screen_pipe="/tmp/progress.fifo"
+  [[ -p "${boot_screen_pipe}" ]] || mkfifo "${boot_screen_pipe}"
+
+  setsid dialog --no-collapse \
+                --ascii-lines \
+                --keep-tite \
+                --title "CISS.debian.live.builder" \
+                --gauge "Starting initialization..." \
+                10 70 0 \
+                < "${boot_screen_pipe}" &
+  declare -gr boot_screen_pid="$!"
+  exec 3> "${boot_screen_pipe}"
+}
+
+#######################################
+# Boot Screen Terminal Cleaner
+# Globals:
+#   boot_screen_pid
+#   boot_screen_pipe
+# Arguments:
+#  None
+#######################################
+boot_screen_cleaner() {
+  exec 3>&-
+  kill -TERM -- -"${boot_screen_pid}" 2>/dev/null || true
+  wait "${boot_screen_pid}" 2>/dev/null || true
+  rm -f "${boot_screen_pipe}"
+  clean_screen
+  sleep 1
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh