# $Id$

provide basic-boot

helper_boot_rebuild_bootconfig()
{
	local grubconf="/boot/grub/grub.cfg"

	mount /boot &> /dev/null
	grub-mkconfig -o ${grubconf}
	umount /boot &> /dev/null
}

help_boot_splash()
{
	mecho "get boot.splash"
	mecho "  Shows the state of bootsplash"
	mecho
	mecho "set boot.splash [action]"
	mecho " Enables or disables a fancy splashscreen at boot time."
	mecho "  Available actions:"
	mecho "      enable  - enables bootsplash"
	mecho "      disable - disables bootsplash"
}

get_boot_splash()
{
	local var
	var=$(grep "^export GRUB_CMDLINE_BOOTSPLASH=" /etc/conf.d/grub | sed "s:.*splash=\(.*\),.*:\1:")

	case "${var}" in
		silent|"") mecho "bootsplash currently enabled"; rvecho "1" ;;
		verbose) mecho "bootsplash currently disabled"; rvecho "0" ;;
		*) eecho "unkown state" ;;
	esac
}

set_boot_splash()
{
	local action="$1"
	[[ -z ${action} ]] && help_boot_splash && return 1

	case "${action}" in
		enable)
			sed -i "s:^\(export GRUB_CMDLINE_BOOTSPLASH=\).*:\1\"splash=silent,theme=default\"" /etc/conf.d/grub.conf
			helper_boot_rebuild_bootconfig
			mecho "bootsplash enabled"
			;;
		disable)
			sed -i "s:^\(export GRUB_CMDLINE_BOOTSPLASH=\).*:\1\"splash=verbose,theme=default\"" /etc/conf.d/grub.conf
			helper_boot_rebuild_bootconfig
			mecho "bootsplash disabled"
			;;
		*) help_system_autologon && return 1 ;;
	esac
}

help_boot_theme()
{
	mecho "get boot.theme [action]"
	mecho " Shows current selected or system-wide available bootsplash themes."
	mecho " Available actions:"
	mecho "   system  - shows available themes on the system"
	mecho "   current - shows the currently used theme of bootsplash"
	mecho
	mecho "set boot.theme [theme]"
	mecho " Selects the theme which will be used on system startup by bootsplash."
}

get_boot_theme()
{
	local action="$1"
	local themedir="/etc/splash/themes"
	local theme
	local i

	case "${action}" in
		current)
			if [[ -L ${themedir}/default ]]
			then
				theme=$(readlink ${themedir}/default)
				rvecho "${theme}"
			else
				rvecho "none"
			fi
			;;
		system)
			for i in $(find /etc/splash/themes -mindepth 1 -maxdepth 1 -type d -printf '%f\n' | sort)
			do
				theme="${theme}"
			done
			rvecho "${theme}"
			;;
		*)
			help_boot_theme
			return 1
			;;
	esac
}

set_boot_theme()
{
	local theme="$1"
	local themedir="/etc/splash/themes"
	[[ -z ${theme} ]] && help_boot_theme && return 1

	if [[ -d ${themedir}/${theme} ]]
	then
		ln -snf ${theme} ${themedir}/default
		mecho "Selected theme '${theme}'."
	else
		eecho "Theme '${theme}' not available on this system. Aborted!"
	fi
}