xref: /freebsd/libexec/rc/rc.d/growfs_fstab (revision 734e82fe33aa764367791a7d603b383996c6b40b)
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#
27
28# PROVIDE: growfs_fstab
29# REQUIRE: growfs root
30# KEYWORD: firstboot
31
32# If the growfs script added a swap partition, then add a swap entry
33# to /etc/fstab if none exists, and add as dumpdev.
34
35. /etc/rc.subr
36
37name="growfs_fstab"
38desc="Add new swap partition to /etc/fstab"
39start_cmd="growfs_fstab_start"
40stop_cmd=":"
41rcvar="growfs_enable"
42
43growfs_fstab_start()
44{
45	if kenv -q growfs_swap_pdev >/dev/null
46	then
47		if awk '
48			/^#/ { next }
49			$3 == "swap" { exit 1 }
50		    ' < /etc/fstab
51		then
52			printf "/dev/label/growfs_swap\tnone\t\tswap\tsw\t\t0\t0\n" >>/etc/fstab
53			printf '# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable\n' >>/etc/rc.conf
54			printf 'dumpdev="AUTO"\n' >>/etc/rc.conf
55			dumpon $dumpon_flags /dev/label/growfs_swap
56		fi
57	fi
58}
59
60load_rc_config $name
61run_rc_command "$1"
62