# $Id$

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"
}

helper_get_boot_splash_plymouth()
{
	if grep "^export GRUB_CMDLINE_BOOTSPLASH=.*splash" ${MROOT}/etc/conf.d/grub
	then
		mecho "bootsplash currently enabled"
		rvecho "1"
	else
		mecho "bootsplash currently disabled"
		rvecho "0"
	fi
}

helper_get_boot_splash_fbsplash()
{
	local var
	var=$(grep "^export GRUB_CMDLINE_BOOTSPLASH=" ${MROOT}/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
}

get_boot_splash()
{
	if [ -x $(type -P plymouth-set-default-theme) ]
	then
		helper_get_boot_splash_plymouth $*
	else
		helper_get_boot_splash_fbsplash $*
	fi
}

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

	case "${action}" in
		enable)
			sed -i "s:^\(export GRUB_CMDLINE_BOOTSPLASH=\).*:\1\"splash\":" ${MROOT}/etc/conf.d/grub
			helper_boot_rebuild_bootconfig
			mecho "bootsplash enabled"
			;;
		disable)
			sed -i "s:^\(export GRUB_CMDLINE_BOOTSPLASH=\).*:\1\"rd.plymouth=0\":" ${MROOT}/etc/conf.d/grub
			helper_boot_rebuild_bootconfig
			mecho "bootsplash disabled"
			;;
		*) help_system_autologon && return 1 ;;
	esac
}

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

set_boot_splash()
{
	if [ -x $(type -P plymouthd) ]
	then
		helper_set_boot_splash_plymouth $*
	else
		helper_set_boot_splash_fbsplash $*
	fi
}

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."
}

helper_get_boot_theme_plymouth()
{
	local action="$1"
	local i

	case "${action}" in
		current) rvecho "$(plymouth-set-default-theme)" ;;
		system) 	
			for i in $(plymouth-set-default-theme --list)
			do
				rvecho "${i}"
			done
			;;
		*)
			help_boot_theme
			return 1
			;;
	esac
}

helper_get_boot_theme_fbsplash()
{
	local action="$1"
	local themedir="${MROOT}/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)
			list_files_in_directory -type d -mindepth 1 -maxdepth 1 ${themedir}
			;;
		*)
			help_boot_theme
			return 1
			;;
	esac
}

get_boot_theme()
{
	if [ -x $(type -P plymouth-set-default-theme) ]
	then
		helper_get_boot_theme_plymouth $*
	else
		helper_get_boot_theme_fbsplash $*
	fi
}

helper_set_boot_theme_plymouth()
{
	local theme="$1"
	local themedir="${MROOT}/usr/share/plymouth/themes"
	[[ -z ${theme} ]] && help_boot_theme && return 1

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

helper_set_boot_theme_fbsplash()
{
	local theme="$1"
	local themedir="${MROOT}/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
}

set_boot_theme()
{
	if [ -x $(plymouth-set-default-theme) ]
	then
		helper_set_boot_theme_plymouth $*
	else
		helper_set_boot_theme_fbsplash $*
	fi
}