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-rw-r--r--.config/kbuild/freezeezy/install.sh56
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diff --git a/.config/kbuild/freezeezy/install.sh b/.config/kbuild/freezeezy/install.sh
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+++ b/.config/kbuild/freezeezy/install.sh
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+#!/usr/bin/env bash
+# Copyright (C) 2026-Ω Miquel Sabaté Solà <mikisabate@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+set -ex
+
+##
+# Ensure you are root and dependencies are met.
+
+if [ "$EUID" -ne 0 ];then
+ echo "kbuild (error): run this as root."
+ exit 1
+fi
+
+if [ ! -f /usr/bin/dracut ]; then
+ echo "kbuild (error): you need 'dracut'."
+ exit 1
+fi
+
+if [ ! -f /usr/sbin/btrfs ]; then
+ echo "kbuild (error): you need 'btrfs'."
+ exit 1
+fi
+
+##
+# Before anything at all, create a snapshot.
+
+btrfs subvolume snapshot / /.snapshots/pre-kernel-$name
+
+##
+# Copy files into filesystem and generate initramfs.
+
+make modules_install
+# NOTE: headers are not installed on purpose.
+# Manual make install
+cp arch/x86/boot/bzImage /boot/vmlinuz-$name
+cp .config /boot/config-$name
+cp System.map /boot/System.map-$name
+dracut --kver=$name -f
+
+##
+# Update grub.
+
+grub2-mkconfig -o /boot/grub2/grub.cfg