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https://github.com/tommytran732/Arch-Setup-Script
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Add update_grub.sh
Signed-off-by: Tommy <contact@tommytran.io>
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update_grub.sh
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27
update_grub.sh
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#!/bin/bash
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# Copyright (C) 2021-2024 Thien Tran
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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# Install new grub version
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grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB --modules="normal test efi_gop efi_uga search echo linux all_video gfxmenu gfxterm_background gfxterm_menu gfxterm loadenv configfile gzio part_gpt cryptodisk luks gcry_rijndael gcry_sha256 btrfs" --disable-shim-lock
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# Disable root subvol pinning.
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## This is **extremely** important, as snapper expects to be able to set the default btrfs subvol.
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# shellcheck disable=SC2016
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sed -i 's/rootflags=subvol=${rootsubvol}//g' /mnt/etc/grub.d/10_linux
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# shellcheck disable=SC2016
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sed -i 's/rootflags=subvol=${rootsubvol}//g' /mnt/etc/grub.d/20_linux_xen
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# Generate grub config
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grub-mkconfig -o /boot/grub/grub.cfg
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