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