#!/bin/sh
# Detects Microsoft EFI-Loader on a collection of partitions.

. /usr/share/os-prober/common.sh

partition="$1"
mpoint="$2"
type="$3"

# Weed out stuff that doesn't apply to us
case "$type" in
	ntfs|ntfs-3g) debug "$1 is a NTFS partition" ;;
	vfat) debug "$1 is a FAT32 partition" ;;
	msdos) debug "$1 is a FAT16 partition" ;;
	fat) debug "$1 is a FAT partition (mounted by GRUB)" ;;
	fuse|fuseblk) debug "$1 is a FUSE partition" ;; # might be ntfs-3g
	*) debug "$1 is not a MS partition: exiting"; exit 1 ;;
esac

found=
# Vista (previously Longhorn)
if item_in_dir -q efi "$2"; then
	if [ ! -z "`find "$2" -type f -iname "bootmgfw.efi"`" ]; then
		mspath=$(find "$2" -type d -iname "microsoft")
		# there might be different boot directories in different case as:
		# boot Boot BOOT
		for boot in $(item_in_dir boot "$mspath"); do
			bcd=$(item_in_dir bcd "$mspath/$boot")
			if [ -n "$bcd" ]; then
				if grep -qs "W.i.n.d.o.w.s. .8" "$mspath/$boot/$bcd"; then
					long="Windows 8 (EFI loader)"
				elif grep -qs "W.i.n.d.o.w.s. .7" "$mspath/$boot/$bcd"; then
					long="Windows 7 (EFI loader)"
				elif grep -qs "W.i.n.d.o.w.s. .V.i.s.t.a" "$mspath/$boot/$bcd"; then
					long="Windows Vista (EFI loader)"
				elif grep -qs "W.i.n.d.o.w.s. .S.e.r.v.e.r. .2.0.0.8. .R.2." "$mspath/$boot/$bcd"; then
					long="Windows Server 2008 R2 (EFI loader)"
				elif grep -qs "W.i.n.d.o.w.s. .S.e.r.v.e.r. .2.0.0.8." "$mspath/$boot/$bcd"; then
					long="Windows Server 2008 (EFI loader)"
				elif grep -qs "W.i.n.d.o.w.s. .R.e.c.o.v.e.r.y. .E.n.v.i.r.o.n.m.e.n.t" "$mspath/$boot/$bcd"; then
					long="Windows Recovery Environment (EFI loader)"
				elif grep -qs "W.i.n.d.o.w.s. .S.e.t.u.p" "$mspath/$boot/$bcd"; then
					long="Windows Recovery Environment (EFI loader)"
				else
					long="Windows Vista (EFI loader)"
				fi
				short=Windows

				found=true

				break
			fi
		done
	fi
fi


if [ -z "$found" ]; then
	exit 1
fi

label="$(count_next_label "$short")"
result "${partition}:${long}:${label}:chain"
# We want to allow other os-probes to probe the EFI-System-Partition:
exit 1