43 lines
1.7 KiB
Bash
Executable File
43 lines
1.7 KiB
Bash
Executable File
#!/bin/sh -e
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################################################################################
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# Title: Grub-config script
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# Description: script to configure thr grub defaults
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# Author: manuel rosa <manuelsilvarosa@gmail.com>
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# Date: Outubro 29, 2023
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# License: GPL-3.0-or-later
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################################################################################
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# This script configures grub defaults after Debian installation.
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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/peppermint/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="/target/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 /target update-grub
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