~ubuntu-core-dev/partman-efi/ubuntu

#!/bin/sh

if [ -f /var/lib/partman/ignore_uefi ]; then

	exit 0

fi

if [ -f /var/lib/partman/ignore_uefi ]; then

	exit 0

fi

. /lib/partman/lib/base.sh

have_efi=no

new_efi_size=

# 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,$size"

	done

	close_dialog

	for part in $partitions; do

		id=${part%%,*}

		part=${part##*,}

		num=${part%%,*}

		size=${part#*,}

		[ -f $id/method ] || continue

		method=$(cat $id/method)

		if [ "$method" = efi ] && [ -f $id/bootable ]; then

			have_efi=yes

			if [ -f $id/format ] && [ -z "$new_efi_size" ]; then

				new_efi_size="$size"

			fi

		fi

	done

done

# 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 ] && \

   [ "$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

ARCH="$(archdetect)"

# Experimentally-verified minimum size for a FAT32 filesystem created using

# libparted.

if [ "$new_efi_size" ] && longint_le "$new_efi_size" 34091007; then

	db_input critical partman-efi/too_small_efi || true

	db_go || true

	exit 1

fi

exit 0