#!/bin/sh

/etc/rc.conf_mount_rw

# Record the previous version
PRIOR_VERSION=`uname -r | cut -d'.' -f1`
echo $PRIOR_VERSION > /tmp/pre_upgrade_version

# De-activate sync on root filesystem. See ticket #4523
# Back up original fstab
/bin/cp /etc/fstab /etc/fstab.orig
# De-activate sync on the root slice only. This will not match NanoBSD since it already has sync,noatime
/usr/bin/sed -i '' 's/^\(\/.*[[:space:]]*\/[[:space:]]*ufs[[:space:]]*\)rw,sync\([[:space:]]*[[:digit:]][[:space:]]*[[:digit:]]\)$/\1rw\2/' /etc/fstab

# Cleanup PBIs
if which pbi_info >/dev/null 2>&1; then
	for pbi in $(pbi_info); do
		echo ">>> Removing PBI ${pbi} and all symlinks"
		pbi_prefix=$(pbi_info ${pbi} | awk '$1 == "Prefix:" { print $2  }')

		for subdir in bin sbin; do
			if [ ! -d "${pbi_prefix}/${subdir}" ]; then
				continue
			fi

			for pbiopt in ${pbi_prefix}/${subdir}/*.pbiopt; do
				link_name=$(awk '$1 == "TARGET:" { print $2 }' ${pbiopt})

				if [ -z "${link_name}" ]; then
					continue
				fi

				if [ -L /usr/local/${link_name} ]; then
					rm -f /usr/local/${link_name}
				fi
			done
		done

		pbi_delete ${pbi}
	done

	# Cleanup remaining symbolic links
	find / -type l -lname '/usr/pbi/*' -delete
fi

# Hack to workaround ticket #3749
if [ ${PRIOR_VERSION} -le 8 ] && grep -q 'sh /etc/rc.reboot' /etc/rc.firmware; then
	PROC=$(ps axwww | grep '/etc/rc.firmware *pfSenseupgrade')
	PID=''
	IMG=''
	if [ -n "${PROC}" ]; then
		PID=$(echo "${PROC}" | awk '{print $1}')
		IMG=$(echo "${PROC}" | sed 's,^.*pfSenseupgrade *,,')
	fi

	if [ -n "${PID}" -a -n "${IMG}" -a -f "${IMG}" ]; then
		cp -fp /bin/sh /tmp/sh.old
		kill ${PID} >/dev/null 2>&1
		kill -9 ${PID} >/dev/null 2>&1
		sed -i '' -e 's,sh /,/tmp/sh.old /,' \
			  -e 's,/usr/sbin/mtree,/tmp/mtree.old,' /etc/rc.firmware
		# To avoid restarting rc.firmware twice because of #4328
		sed -i '' -e '/^restore_chflags()/, /^}/ s/mtree *-PU/mtree -P/' /etc/rc.firmware
		/etc/rc.firmware pfSenseupgrade "${IMG}"
		exit
	fi
fi

# One more hack to workaround #4328
if grep -q 'mtree *-PU' /etc/rc.firmware; then
	PROC=$(ps axwww | grep '/etc/rc.firmware *pfSenseupgrade')
	PID=''
	IMG=''
	if [ -n "${PROC}" ]; then
		PID=$(echo "${PROC}" | awk '{print $1}')
		IMG=$(echo "${PROC}" | sed 's,^.*pfSenseupgrade *,,')
	fi

	if [ -n "${PID}" -a -n "${IMG}" -a -f "${IMG}" ]; then
		kill ${PID} >/dev/null 2>&1
		kill -9 ${PID} >/dev/null 2>&1
		sed -i '' -e '/^restore_chflags()/, /^}/ s/mtree *-PU/mtree -P/' /etc/rc.firmware
		/etc/rc.firmware pfSenseupgrade "${IMG}"
		exit
	fi
fi

# Make sure /boot files are not protected with schg
chflags -R noschg /boot >/dev/null 2>&1

rm /boot/kernel/*