Differential D37463 Diff 113527 libexec/rc/rc.d/growfs_fstab

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libexec/rc/rc.d/growfs_fstab

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				#!/bin/sh
				#
				# Copyright 2022 Michael J. Karels
				# All rights reserved.
				#
				# 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.
				#
				# $FreeBSD$
				#

				# 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. Also add dumpdev if not configured.

				. /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()
				{
				dev=$(gpart list \| awk '
				$2 == "Name:" { dev = $3 }
				$1 == "type:" && $2 == "freebsd-swap" {
				print dev; exit 0
				}')
				if [ -n "$dev" ] && kenv -q growfs_swap_added >/dev/null
				then
				if awk '
				/^#/ { next }
				$3 == "swap" { exit 1 }
				' < /etc/fstab
				then
				glabel label -v growfs_swap $dev
				printf "/dev/label/growfs_swap\tnone\t\tswap\tsw\t\t0\t0\n" >>/etc/fstab
				fi

				if ! grep -v "^#" /etc/rc.conf \| grep -q "dumpdev"
				then
				echo 'dumpdev="AUTO"' >>/etc/rc.conf
				dumpon /dev/label/growfs_swap
				fi
				fi
				jlduran_gmail.comUnsubmitted Not Done Inline Actions I wonder if `sysrc(8)` may simplify/improve this block. As `dumpdev` may be somewhere else (`rc.conf(5)`). jlduran_gmail.com: I wonder if `sysrc(8)` may simplify/improve this block. As `dumpdev` may be somewhere else (`rc.
				karelsAuthorUnsubmitted Done Inline Actions While looking at this, I discovered that the default value of dumpdev is AUTO (/etc/defaults/rc.conf), so adding to /etc/rc.conf is unneeded. I'll redo this using sysrc to check for AUTO, then do the dumpon. Thanks! karels: While looking at this, I discovered that the default value of dumpdev is AUTO (/etc/defaults/rc.
				jlduran_gmail.comUnsubmitted Not Done Inline Actions I think it is worth noting that `dumpdev="AUTO"` is the default only for -CURRENT, not for RELEASE branches. jlduran_gmail.com: I think it is worth noting that `dumpdev="AUTO"` is the default only for -CURRENT, not for…
				karelsAuthorUnsubmitted Done Inline Actions Thanks. I have no intention to MFC this currently. If that changes, I might reconsider this, although it might be best to leave the default in place here. karels: Thanks. I have no intention to MFC this currently. If that changes, I might reconsider this…
				}

				load_rc_config $name
				run_rc_command "$1"