# defaults file
grub_default="/etc/default/grub"

post_install() {
	# replace the line GRUB_THEME with our theme
	sed -i '/\GRUB_THEME\=/c\GRUB_THEME="/usr/share/grub/themes/endeavouros-galleon/theme.txt"' ${grub_default}

	# comment the GRUB_BACKGROUND= line in /etc/default/grub
	sed /GRUB_BACKGROUND\=/s/^/#/ ${grub_default} > /dev/null

	# rebuild grub config
	grub-mkconfig -o /boot/grub/grub.cfg
}

post_remove() {

	# comment the GRUB_THEME= line in /etc/default/grub
	sed /GRUB_THEME\=/s/^/#/ ${grub_default} > /dev/null

	# rebuild grub config
	grub-mkconfig -o /boot/grub/grub.cfg
}