54 lines
1.8 KiB
Plaintext
54 lines
1.8 KiB
Plaintext
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#!/bin/bash
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# SPDX-License-Identifier: GPL-3.0-or-later
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#
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# SPDX-FileCopyrightText: 2023 PeppermintOS Team (peppermintosteam@proton.me)
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# This script configures grub defaults after Debian installation.
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# Define CHROOT
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CHROOT=$(mount | grep proc | grep calamares | awk '{print $3}' | sed -e "s#/proc##g")
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# Sets GRUB configuration.
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# Writes the configuration to the /etc/default/grub file.
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# Updates the bootloader.
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# Check if CHROOT is set
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if [ -z "$CHROOT" ]; then
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echo "CHROOT not set. Exiting."
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exit 1
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fi
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# Defines the variables
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GRUB_DEFAULT=0
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GRUB_TIMEOUT=5
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GRUB_DISTRIBUTOR="My-distro"
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GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
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GRUB_CMDLINE_LINUX=""
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GRUB_GFXMODE=1440x900
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GRUB_THEME="/boot/grub/themes/my-distro/theme.txt"
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GRUB_DISABLE_OS_PROBER=false
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# GRUB configuration file path
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GRUB_CONFIG_FILE="$CHROOT/etc/default/grub"
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# Modify the GRUB file
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sed -i "s/^GRUB_DEFAULT=.*/GRUB_DEFAULT=$GRUB_DEFAULT/" $GRUB_CONFIG_FILE
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sed -i "s/^GRUB_TIMEOUT=.*/GRUB_TIMEOUT=$GRUB_TIMEOUT/" $GRUB_CONFIG_FILE
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sed -i "s/^GRUB_DISTRIBUTOR=.*/GRUB_DISTRIBUTOR=\"$GRUB_DISTRIBUTOR\"/" $GRUB_CONFIG_FILE
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sed -i "s/^GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT=\"$GRUB_CMDLINE_LINUX_DEFAULT\"/" $GRUB_CONFIG_FILE
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sed -i "s/^GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=\"$GRUB_CMDLINE_LINUX\"/" $GRUB_CONFIG_FILE
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sed -i "s/^#GRUB_GFXMODE=.*/GRUB_GFXMODE=$GRUB_GFXMODE/" $GRUB_CONFIG_FILE
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# Add GRUB_THEME if it doesn't exist
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if ! grep -q "^GRUB_THEME=" $GRUB_CONFIG_FILE; then
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echo "GRUB_THEME=\"$GRUB_THEME\"" >> $GRUB_CONFIG_FILE
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else
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sed -i "s#^GRUB_THEME=.*#GRUB_THEME=\"$GRUB_THEME\"#" $GRUB_CONFIG_FILE
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fi
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sed -i "s/^#GRUB_DISABLE_OS_PROBER=.*/GRUB_DISABLE_OS_PROBER=$GRUB_DISABLE_OS_PROBER/" $GRUB_CONFIG_FILE
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# Run update-grub after modifying the file
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chroot $CHROOT update-grub
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