#!/bin/sh
# Check that the boot partition is the 1st (primary) partition and that
# it is of type uboot (which is really ext2 with special mkfs flags).

. /lib/partman/lib/base.sh

ARCH="$(archdetect)"
case $ARCH in
    armel/dove)
	;;
    *)
	exit 0
	;;
esac

for dev in $DEVICES/*; do
	[ -d "$dev" ] || continue
	cd $dev
	open_dialog PARTITIONS
	while { read_line num id size type fs path name; [ "$id" ]; }; do
		[ "$fs" != free ] || continue
		[ -f $id/method ] || continue
		[ -f $id/acting_filesystem ] || continue
		[ -f $id/mountpoint ] || continue
		mountpoint=$(cat $id/mountpoint)
		filesystem=$(cat $id/acting_filesystem)
		if [ "$mountpoint" = / ]; then
			root_fs=$filesystem
			root_type=$type
			root_path=$path
		elif [ "$mountpoint" = /boot ]; then
			boot_fs=$filesystem
			boot_type=$type
			boot_path=$path
		fi
	done
	close_dialog
done

# If no separate boot partition exists root acts as boot
if [ -z "$boot_path" ]; then
	boot_fs=$root_fs
	boot_type=$root_type
	boot_path=$root_path
fi

# We need an uboot filesystem to boot
if [ "$boot_fs" != uboot ]; then
	db_set partman-uboot/boot_not_uboot true
	db_input critical partman-uboot/boot_not_uboot || true
	db_go || true
	db_get partman-uboot/boot_not_uboot
	if [ "$RET" = true ]; then
		exit 1
	fi
fi

# The boot file system has to be the first primary partition
part_num=$(echo "$boot_path" | sed -e 's/.*[^0-9]\+//')
if [ "$boot_type" != primary ] || [ "$part_num" -ne 1 ]; then
	db_set partman-uboot/boot_not_first_partition true
	db_input critical partman-uboot/boot_not_first_partition || true
	db_go || true
	db_get partman-uboot/boot_not_first_partition
	if [ "$RET" = true ]; then
		exit 1
	fi
fi

# The root partition has to be primary
# FIXME: This should probably move to colo-installer
if [ "$root_path" != "$boot_path" ] && [ "$root_type" != primary ]; then
	db_set partman-uboot/root_not_primary true
	db_input critical partman-uboot/root_not_primary || true
	db_go || true
	db_get partman-uboot/root_not_primary
	if [ "$RET" = true ]; then
		exit 1
	fi
fi