kbuild: add the 'freezeezy' profile

This is the profile for my x86_64 development box.

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>

2 files changed, 104 insertions, 0 deletions

diff --git a/.config/kbuild/freezeezy/install.sh b/.config/kbuild/freezeezy/install.sh
new file mode 100644
index 0000000..2009bfa
--- /dev/null
+++ b/.config/kbuild/freezeezy/install.sh
@@ -0,0 +1,56 @@
+#!/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
diff --git a/.config/kbuild/freezeezy/uninstall.sh b/.config/kbuild/freezeezy/uninstall.sh
new file mode 100644
index 0000000..efb94b7
--- /dev/null
+++ b/.config/kbuild/freezeezy/uninstall.sh
@@ -0,0 +1,48 @@
+#!/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
+
+if [ "$EUID" -ne 0 ];then
+   echo "kbuild (error): run this as root."
+   exit 1
+fi
+
+if [ ! -f /usr/sbin/btrfs ]; then
+   echo "kbuild (error): you need 'btrfs'."
+   exit 1
+fi
+
+##
+# Remove files.
+
+rm -rf /lib/modules/$name
+rm -f /boot/initrd-$name
+rm -f /boot/initrd.img-$name
+rm -f /boot/vmlinuz-$name
+rm -f /boot/System.map-$name
+rm -f /boot/config-$name
+
+##
+# Update grub.
+
+grub2-mkconfig -o /boot/grub2/grub.cfg
+
+##
+# If everything was alright, it's now safe to remove the snapshot we took on
+# install.sh.
+
+btrfs subvolume delete /.snapshots/pre-kernel-$name