#!/bin/sh
#
# Copyright 2022 Michael J. Karels
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#

# PROVIDE: growfs_fstab
# REQUIRE: growfs root
# KEYWORD: firstboot

# If the growfs script added a swap partition, then add a swap entry
# to /etc/fstab if none exists, and add as dumpdev.

. /etc/rc.subr

name="growfs_fstab"
desc="Add new swap partition to /etc/fstab"
start_cmd="growfs_fstab_start"
stop_cmd=":"
rcvar="growfs_enable"

growfs_fstab_start()
{
	if kenv -q growfs_swap_pdev >/dev/null
	then
		if awk '
			/^#/ { next }
			$3 == "swap" { exit 1 }
		    ' < /etc/fstab
		then
			printf "/dev/label/growfs_swap\tnone\t\tswap\tsw\t\t0\t0\n" >>/etc/fstab
			printf '# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable\n' >>/etc/rc.conf
			printf 'dumpdev="AUTO"\n' >>/etc/rc.conf
			dumpon $dumpon_flags /dev/label/growfs_swap
		fi
	fi
}

load_rc_config $name
run_rc_command "$1"
