#!/bin/sh

# On Intel Macs, it isn't entirely clear that you have to have an EFI system
# partition; see http://refit.sourceforge.net/myths/ for further details. In
# the meantime, we only force an EFI system partition on ia64.
if [ ! -e /var/lib/partman/efi ] || \
   [ "$(udpkg --print-architecture)" != ia64 ]; then
	exit 0
fi

. /lib/partman/lib/base.sh

have_efi=no

# Is there at least one efi-partition?
for dev in $DEVICES/*; do
	[ -d "$dev" ] || continue
	cd $dev
	partitions=
	open_dialog PARTITIONS
	while { read_line num id size type fs path name; [ "$id" ]; }; do
		[ "$fs" != free ] || continue
		partitions="$partitions $id,$num"
	done
	close_dialog

	for part in $partitions; do
		id=${part%,*}
		num=${part#*,}
		[ -f $id/method ] || continue
		method=$(cat $id/method)
		if [ "$method" = efi ] && [ -f $id/bootable ]; then
			have_efi=yes
		fi
	done
done

if [ $have_efi = no ]; then
	db_input critical partman-efi/no_efi || true
	db_go || exit 1
	db_get partman-efi/no_efi
	if [ "$RET" = true ]; then
		exit 1
	fi
fi

exit 0