#!/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/definitions.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 -a -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
