xref: /freebsd/libexec/rc/rc.d/growfs_fstab (revision 058ac3e8063366dafa634d9107642e12b038bf09)
1#!/bin/sh
2#
3# Copyright 2022 Michael J. Karels
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD$
27#
28
29# PROVIDE: growfs_fstab
30# REQUIRE: growfs root
31# KEYWORD: firstboot
32
33# If the growfs script added a swap partition, then add a swap entry
34# to /etc/fstab if none exists, and add as dumpdev.
35
36. /etc/rc.subr
37
38name="growfs_fstab"
39desc="Add new swap partition to /etc/fstab"
40start_cmd="growfs_fstab_start"
41stop_cmd=":"
42rcvar="growfs_enable"
43
44growfs_fstab_start()
45{
46	if kenv -q growfs_swap_pdev >/dev/null
47	then
48		if awk '
49			/^#/ { next }
50			$3 == "swap" { exit 1 }
51		    ' < /etc/fstab
52		then
53			printf "/dev/label/growfs_swap\tnone\t\tswap\tsw\t\t0\t0\n" >>/etc/fstab
54
55			case "$dumpdev" in
56			[Aa][Uu][Tt][Oo])
57				dumpon $dumpon_flags /dev/label/growfs_swap
58				;;
59			*)
60				;;
61			esac
62		fi
63	fi
64}
65
66load_rc_config $name
67run_rc_command "$1"
68