#!/bin/sh
# Warn the user if ZFS is to be used with less than 512 MB of memory.

. /lib/partman/lib/base.sh

if [ "$(human2longint "$(sed -ne "s/^MemTotal:\s*//p" /proc/meminfo)")" -ge 536870912 ]; then
	exit 0
fi

if test -e /dev/zfs; then
	if [ $(zpool list -H | wc -l) -gt 0 ]; then
		found_zfs=true
	fi
fi

# Warn if ZFS is to be used.
if [ "$found_zfs" = true ]; then
	db_set partman-zfs/lowmem true
	db_input critical partman-zfs/lowmem || true
	db_go || true
	db_get partman-zfs/lowmem
	if [ "$RET" = true ]; then
		exit 1
	fi
fi