Add kernel build and install scripts

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

linux/build-and-push.sh

@@ -0,0 +1,87 @@
+#!/bin/ksh
+# Sloppy tool to assist with Linux kernel bisection
+#
+#   1. Resets upstream kernel sources
+#   2. Applies SUSE patches on upstream Linux sources
+#   3. Builds Linux
+#   4. Copies result to a target over SSH
+#   5. Installs result on target, including initrd (Dracut) and boot entry (GRUB)
+#
+# Copyright 2024 Georg Pfuetzenreuter <mail+opensuse@georg-pfuetzenreuter.net>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -Ceux
+
+GIT_LINUX=~/Work/git/linux
+GIT_LINUX_PATCHES=~/Work/git/kernel-source
+LINUX_BUILD=~/Work/kernel-build
+LINUX_CONFIG=default
+LINUX_VERSION=6.4.0-"$LINUX_CONFIG"-dirty
+
+TARGET_USER=root
+TARGET_HOST=192.168.5.92
+TARGET_HOST_IP="$TARGET_HOST"/24
+TARGET_PIPE=/run/user/"$(id -u)"/bisect
+TARGET_BUILD=/tmp/build
+
+SSH_KEY=~/.ssh/bisect.pub
+SSH="ssh -i $SSH_KEY -q -l $TARGET_USER $TARGET_HOST"
+
+if ! $SSH -- true
+then
+  echo "Host $TARGET_HOST is not ready."
+  exit 1
+fi
+
+GIT_COMMIT="$(git -C "$GIT_LINUX_PATCHES" rev-parse --short HEAD)"
+
+LINUX_BUILD="$LINUX_BUILD"/"$GIT_COMMIT"
+
+if [ -d "$LINUX_BUILD" ]
+then
+  echo "Commit $GIT_COMMIT has already been built!"
+  exit 1
+fi
+
+install -dv "$LINUX_BUILD"
+
+pushd "$GIT_LINUX"
+
+git clean -df
+git restore .
+"$GIT_LINUX_PATCHES"/rpm/apply-patches "$GIT_LINUX_PATCHES"/series.conf "$GIT_LINUX_PATCHES"
+
+popd
+
+install -vm0644 "$GIT_LINUX_PATCHES"/config/x86_64/"$LINUX_CONFIG" "$LINUX_BUILD"/.config
+make -C"$GIT_LINUX" -j"$(nproc)" O="$LINUX_BUILD"
+
+$SSH -- rm -fr "$TARGET_BUILD"
+
+rsync --exclude='.tmp*' --info=progress2 -lr "$LINUX_BUILD"/ "$TARGET_USER"@"$TARGET_HOST":"$TARGET_BUILD"
+
+$SSH -- make -C/usr/src/linux O="$TARGET_BUILD" modules_install
+$SSH -- make -C/usr/src/linux O="$TARGET_BUILD" install
+
+VMLINUZ=/boot/vmlinuz-"$GIT_COMMIT"
+INITRD=/boot/initrd-"$GIT_COMMIT"
+
+$SSH -- install -vm0644 "$TARGET_BUILD"/arch/x86/boot/bzImage "$VMLINUZ"
+$SSH -- dracut --kernel-image "$VMLINUZ" "$INITRD" "$LINUX_VERSION"
+$SSH -- grub2-mkconfig -o /boot/grub2/grub.cfg
+
+ROOT="$($SSH -- blkid -o value -s UUID -t LABEL=ROOT)"
+echo "Root partition UUID: $ROOT"
+
+echo 'Now reboot, test, and update the bisection.'

linux/install.sh

@@ -0,0 +1,30 @@
+#!/bin/sh -Cefu
+# Copies a newly built Linux, creates an initrd image and a GRUB boot entry
+#
+# Copyright 2024 Georg Pfuetzenreuter <mail+opensuse@georg-pfuetzenreuter.net>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+builddir=/tmp/build
+commit="${1?Specify commit hash}"
+
+make -C/usr/src/linux -j6 O="$builddir" modules_install
+make -C/usr/src/linux O="$builddir" install
+
+VMLINUZ=/boot/vmlinuz-"$commit"
+INITRD=/boot/initrd-"$commit"
+LINUX_VERSION=6.4.0-default-dirty
+
+install -vm0644 "$builddir"/arch/x86/boot/bzImage "$VMLINUZ"
+dracut --kernel-image "$VMLINUZ" "$INITRD" "$LINUX_VERSION"
+grub2-mkconfig -o /boot/grub2/grub.cfg