V8.02.512.2025.05.30

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

config/includes.chroot/preseed/.cfg/grub.cfg

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+# 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.debian.installer.secure framework.
+# SPDX-PackageName: CISS.debian.live.builder
+# SPDX-Security-Contact: security@coresecret.eu
+
+###########################################################################################
+# GRUB2 settings                                                                          #
+###########################################################################################
+# Due notably to potential USB sticks, the location of the primary drive can not be
+# determined safely in general, so this needs to be specified:
+d-i grub-installer/bootdev string /dev/sda
+# To install to the primary device (assuming it is not a USB stick):
+# d-i grub-installer/bootdev  string default
+
+# Set this to false to install GRUB Legacy rather than GRUB 2, if possible:
+d-i grub-installer/grub2_instead_of_grub_legacy boolean true
+
+# This is fairly safe to set, it makes grub install automatically to the UEFI partition/boot
+# record if no other operating system is detected on the machine:
+d-i grub-installer/only_debian boolean true
+
+# This one makes grub-installer install to the UEFI partition/boot record, if it also finds
+# some other OS, which is less safe as it might not be able to boot that other OS:
+d-i grub-installer/with_other_os boolean true
+
+# OS-prober did not detect any other operating systems on your computer at this time, but you
+# may still wish to enable it in case you install more in the future:
+d-i grub-installer/enable_os_prober_otheros_no boolean true
+
+# Skip installing grub:
+d-i grub-installer/skip boolean false
+
+# Force GRUB installation to the EFI removable media path?
+#  .
+#  It seems that this computer is configured to boot via EFI, but maybe that configuration will
+#  not work for booting from the hard drive. Some EFI firmware implementations do not meet the
+#  EFI specification (i.e. they are buggy!) and do not support proper configuration of boot
+#  options from system hard drives.
+#  .
+#  A workaround for this problem is to install an extra copy of the EFI version of the GRUB
+#  boot loader to a fallback location, the "removable media path". Almost all EFI systems, no
+#  matter how buggy, will boot GRUB that way.
+#  .
+#  Warning: If the installer failed to detect another operating system that is present on your
+#  computer that also depends on this fallback, installing GRUB there will make that operating
+#  system temporarily unbootable. GRUB can be manually configured later to boot it if necessary.
+d-i grub-installer/force-efi-extra-removable boolean false
+
+# Description: Update NVRAM variables to automatically boot into Debian?
+#  .
+#  GRUB can configure your platform's NVRAM variables so that it boots into Debian automatically
+#  when powered on. However, you may prefer to disable this behavior and avoid changes to your
+#  boot configuration. For example, if your NVRAM variables have been set up such that your
+#  system contacts a PXE server on every boot, this would preserve that behavior.
+d-i grub-installer/update-nvram boolean true
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh