pfSense

	BOOT_DEVICE=`/sbin/mount | /usr/bin/grep root | /usr/bin/cut -d'/' -f4 | /usr/bin/cut -d' ' -f1`

	if [ "$BOOT_DEVICE" = "root0" ]; then

		TOFLASH="root1"

	else

		TOFLASH="root0"

	fi

	# Remove TOFLASH and get ready for new flash image

	dd if=/dev/zero of=/dev/ufs/${TOFLASH} bs=1m count=1 >/dev/null 2>&1

	# Stream gzipped image to dd and explode image to new area

	/usr/bin/gunzip -S "" -c $IMG | /bin/dd of=/dev/ufs/${TOFLASH} bs=16k >/dev/null 2>&1

	# Ensure that our new system is sound and bail if it is not and file a notice

	/sbin/fsck_ffs -n /dev/ufs/${TOFLASH}

	if [ $? != 0 ]; then

		/usr/local/bin/php -q -d auto_prepend_file=config.inc <<ENDOFF

		<?php

			require_once(\"functions.inc\");

			require_once(\"/usr/local/pkg/apache_mod_security.inc\");

			file_notice("UpgradeFailure", "{$g['product_name']} upgrade has failed.   Your system has been left in a usable state.", "UpgradeFailure", "");

		?>

ENDOFF

	fi

	/usr/sbin/boot0cfg -s 1 -v /dev/ufs/${TOFLASH}