#!/bin/sh

. /usr/share/debconf/confmodule

set -e

dev=$1
id=$2
part=$dev/$id

cd $dev

[ -f $part/method -a -f $part/acting_filesystem ] || exit 0

filesystem=$(cat $part/acting_filesystem)

case "$filesystem" in
    btrfs)
	:
	;;
    *)
	exit 0
	;;
esac

choice_mountpoint () {
	case "$filesystem" in
	    btrfs)
		if [ -f $part/mountpoint ]; then
			mp=$(cat $part/mountpoint)
		else
			db_metaget partman-basicfilesystems/text/no_mountpoint description
			mp="$RET"
		fi
		db_metaget partman-basicfilesystems/text/specify_mountpoint description
		printf "mountpoint\t%s\${!TAB}%s\n" "$RET" "$mp"
		;;
	esac
}

choice_options () {
	db_metaget partman-basicfilesystems/text/options description
	printf "options\t%s\${!TAB}%.45s\n" "$RET" "$(get_mountoptions $dev $id)"
}

choice_label () {
	# allow to set label only if the partition is to be formatted
	[ -f $part/format ] || return 0
	[ ! -f $part/formatted \
	  -o $part/formatted -ot $part/method \
	  -o $part/formatted -ot $part/filesystem ] || return 0
	case "$filesystem" in
	    btrfs)
		if [ -f $part/label ]; then
			label=$(cat $part/label)
		else
			db_metaget partman-basicfilesystems/text/none description
			label=$RET
		fi
		db_metaget partman-basicfilesystems/text/specify_label description
		printf "label\t%s\${!TAB}%s\n" "$RET" "$label"
		;;
	esac
}

choice_mountpoint

choice_options

choice_label
