99 lines
2.8 KiB
Plaintext
99 lines
2.8 KiB
Plaintext
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#!/bin/sh
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#
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# Copyright 2014 John-Mark Gurney
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# PROVIDE: growfs
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# BEFORE: sysctl
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# KEYWORD: firstboot
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# This allows us to distribute a image
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# and have it work on essentially any size drive.
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#
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# TODO: Figure out where this should really be ordered.
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# I suspect it should go just after fsck but before mountcritlocal
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# but it's hard to tell for sure because of the bug described
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# below.
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#
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. /etc/rc.subr
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name="growfs"
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start_cmd="growfs_start"
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stop_cmd=":"
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rcvar="growfs_enable"
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growfs_start ()
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{
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echo "Growing root partition to fill device"
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rootdev=$(df / | tail -n 1 | awk '{ sub("/dev/", "", $1); print $1 }')
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if [ x"$rootdev" = x"${rootdev%/*}" ]; then
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# raw device
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rawdev="$rootdev"
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else
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rawdev=$(glabel status | awk '$1 == "'"$rootdev"'" { print $3 }')
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if [ x"$rawdev" = x"" ]; then
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echo "Can't figure out device for: $rootdev"
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return
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fi
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fi
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sysctl -b kern.geom.conftxt | awk '
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{
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lvl=$1
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device[lvl] = $3
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type[lvl] = $2
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idx[lvl] = $7
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parttype[lvl] = $13
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if (dev == $3) {
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for (i = 1; i <= lvl; i++) {
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# resize
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if (type[i] == "PART") {
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pdev = device[i - 1]
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cmd[i] = "gpart resize -i " idx[i] " " pdev
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if (parttype[i] == "GPT")
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cmd[i] = "gpart recover " pdev " ; " cmd[i]
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} else if (type[i] == "LABEL") {
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continue
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} else {
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print "unhandled type: " type[i]
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exit 1
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}
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}
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for (i = 1; i <= lvl; i++) {
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if (cmd[i])
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system(cmd[i])
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}
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exit 0
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}
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}' dev="$rawdev"
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growfs -y /dev/"$rootdev"
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}
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load_rc_config $name
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run_rc_command "$1"
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