#!/bin/sh -e

# SPDX-License-Identifier: GPL-3.0-or-later
#
# SPDX-FileCopyrightText:  2023 PeppermintOS Team  (peppermintosteam@proton.me)

# This script configures grub defaults after Debian installation.

# Defines the variables
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="Peppermint"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
GRUB_GFXMODE=1360x768
GRUB_DISABLE_OS_PROBER=false

# GRUB configuration file path
GRUB_CONFIG_FILE="/target/etc/default/grub"

# Modify the GRUB file
sed -i "s/^GRUB_DEFAULT=.*/GRUB_DEFAULT=$GRUB_DEFAULT/" $GRUB_CONFIG_FILE
sed -i "s/^GRUB_TIMEOUT=.*/GRUB_TIMEOUT=$GRUB_TIMEOUT/" $GRUB_CONFIG_FILE
sed -i "s/^GRUB_DISTRIBUTOR=.*/GRUB_DISTRIBUTOR=\"$GRUB_DISTRIBUTOR\"/" $GRUB_CONFIG_FILE
sed -i "s/^GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT=\"$GRUB_CMDLINE_LINUX_DEFAULT\"/" $GRUB_CONFIG_FILE
sed -i "s/^GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=\"$GRUB_CMDLINE_LINUX\"/" $GRUB_CONFIG_FILE
sed -i "s/^#GRUB_GFXMODE=.*/GRUB_GFXMODE=$GRUB_GFXMODE/" $GRUB_CONFIG_FILE
sed -i "s/^#GRUB_DISABLE_OS_PROBER=.*/GRUB_DISABLE_OS_PROBER=$GRUB_DISABLE_OS_PROBER/" $GRUB_CONFIG_FILE

# Run update-grub after modifying the file
chroot /target update-grub