FM / bin

/snap/core22/2437/usr/bin

Name	Size	Mode	Actions
aa-enabled	35344	0755	edit dl rm
aa-exec	35344	0755	edit dl rm
aa-features-abi	31248	0755	edit dl rm
addpart	14720	0755	edit dl rm
arch	31240	0755	edit dl rm
awk	158504	0755	edit dl rm
b2sum	51728	0755	edit dl rm
base32	35336	0755	edit dl rm
base64	35336	0755	edit dl rm
basename	35336	0755	edit dl rm
basenc	47624	0755	edit dl rm
bash	1396520	0755	edit dl rm
bashbug	6818	0755	edit dl rm
bootctl	72184	0755	edit dl rm
bunzip2	39296	0755	edit dl rm
busctl	92664	0755	edit dl rm
bzcat	39296	0755	edit dl rm
bzcmp	2225	0755	edit dl rm
bzdiff	2225	0755	edit dl rm
bzegrep	3775	0755	edit dl rm
bzexe	4893	0755	edit dl rm
bzfgrep	3775	0755	edit dl rm
bzgrep	3775	0755	edit dl rm
bzip2	39296	0755	edit dl rm
bzip2recover	14640	0755	edit dl rm
bzless	1297	0755	edit dl rm
bzmore	1297	0755	edit dl rm
captoinfo	88488	0755	edit dl rm
cat	35288	0755	edit dl rm
chage	72184	2755	edit dl rm
chardet	965	0755	edit dl rm
chardetect	965	0755	edit dl rm
chattr	14656	0755	edit dl rm
chcon	59912	0755	edit dl rm
chfn	72712	4755	edit dl rm
chgrp	55816	0755	edit dl rm
chmod	55816	0755	edit dl rm
choom	22912	0755	edit dl rm
chown	59912	0755	edit dl rm
chrt	27008	0755	edit dl rm
chsh	44808	4755	edit dl rm
cksum	35240	0755	edit dl rm
clear	14656	0755	edit dl rm
clear_console	14568	0755	edit dl rm
cloud-id	966	0755	edit dl rm
cloud-init	970	0755	edit dl rm
cloud-init-per	2108	0755	edit dl rm
cmp	43408	0755	edit dl rm
comm	35344	0755	edit dl rm
console-conf	982	0755	edit dl rm
core-sshd-host-keygen	1521	0755	edit dl rm
cp	141832	0755	edit dl rm
csplit	109064	0755	edit dl rm
ctstat	23200	0755	edit dl rm
cut	39432	0755	edit dl rm
cvtsudoers	303512	0755	edit dl rm
c_rehash	6963	0755	edit dl rm
dash	125688	0755	edit dl rm
date	104968	0755	edit dl rm
dbus-cleanup-sockets	14632	0755	edit dl rm
dbus-daemon	232776	0755	edit dl rm
dbus-monitor	26920	0755	edit dl rm
dbus-run-session	14632	0755	edit dl rm
dbus-send	26920	0755	edit dl rm
dbus-update-activation-environment	14632	0755	edit dl rm
dbus-uuidgen	14632	0755	edit dl rm
dd	68120	0755	edit dl rm
delpart	14720	0755	edit dl rm
df	85072	0755	edit dl rm
dh_bash-completion	4414	0755	edit dl rm
diff	133680	0755	edit dl rm
diff3	55824	0755	edit dl rm
dir	138216	0755	edit dl rm
dircolors	39440	0755	edit dl rm
dirname	31112	0755	edit dl rm
dmesg	72304	0755	edit dl rm
dnsdomainname	22760	0755	edit dl rm
domainname	22760	0755	edit dl rm
dpkg-deb	137720	0755	edit dl rm
dpkg-realpath	4189	0755	edit dl rm
du	150024	0755	edit dl rm
ec2metadata	8583	0755	edit dl rm
echo	35128	0755	edit dl rm
editor	1520320	0755	edit dl rm
egrep	28	0755	edit dl rm
env	43976	0755	edit dl rm
ex	1520320	0755	edit dl rm
expand	35360	0755	edit dl rm
expiry	23136	2755	edit dl rm
expr	104872	0755	edit dl rm
factor	72200	0755	edit dl rm
faillog	23136	0755	edit dl rm
fallocate	22912	0755	edit dl rm
false	26936	0755	edit dl rm
fgrep	28	0755	edit dl rm
finalrd	2112	0755	edit dl rm
fincore	22960	0755	edit dl rm
find	282088	0755	edit dl rm
findmnt	65136	0755	edit dl rm
flock	23024	0755	edit dl rm
fmt	39432	0755	edit dl rm
fold	35336	0755	edit dl rm
free	26864	0755	edit dl rm
gdbserver	578280	0755	edit dl rm
getconf	35112	0755	edit dl rm
getent	39576	0755	edit dl rm
getopt	22912	0755	edit dl rm
gpasswd	72072	4755	edit dl rm
gpgv	277544	0755	edit dl rm
grep	182728	0755	edit dl rm
groups	35336	0755	edit dl rm
growpart	26850	0755	edit dl rm
gunzip	2346	0755	edit dl rm
gzexe	6447	0755	edit dl rm
gzip	93424	0755	edit dl rm
hardlink	35256	0755	edit dl rm
head	43528	0755	edit dl rm
helpztags	2514	0755	edit dl rm
hostid	31240	0755	edit dl rm
hostname	22760	0755	edit dl rm
hostnamectl	31104	0755	edit dl rm
i386	27288	0755	edit dl rm
iconv	68000	0755	edit dl rm
id	39432	0755	edit dl rm
infocmp	63872	0755	edit dl rm
infotocap	88488	0755	edit dl rm
install	145944	0755	edit dl rm
ionice	18816	0755	edit dl rm
ip	718896	0755	edit dl rm
ipcmk	22984	0755	edit dl rm
ipcrm	18816	0755	edit dl rm
ipcs	39296	0755	edit dl rm
iptables-xml	99272	0755	edit dl rm
ischroot	14536	0755	edit dl rm
join	47664	0755	edit dl rm
journalctl	80272	0755	edit dl rm
json-patch-jsondiff	1004	0755	edit dl rm
jsondiff	1004	0755	edit dl rm
jsonpatch	3859	0755	edit dl rm
jsonpointer	1838	0755	edit dl rm
jsonschema	397	0755	edit dl rm
kernel-install	4902	0755	edit dl rm
kill	30952	0755	edit dl rm
kmod	170352	0755	edit dl rm
kmodsign	18888	0755	edit dl rm
last	35200	0755	edit dl rm
lastb	35200	0755	edit dl rm
lastlog	28288	0755	edit dl rm
lcf	7784	0755	edit dl rm
ldd	5444	0755	edit dl rm
less	199048	0755	edit dl rm
lessecho	14656	0755	edit dl rm
lessfile	9047	0755	edit dl rm
lesskey	24272	0755	edit dl rm
lesspipe	9047	0755	edit dl rm
link	31240	0755	edit dl rm
linux32	27288	0755	edit dl rm
linux64	27288	0755	edit dl rm
ln	59912	0755	edit dl rm
lnstat	23200	0755	edit dl rm
locale	58944	0755	edit dl rm
locale-check	14488	0755	edit dl rm
localectl	27000	0755	edit dl rm
localedef	334808	0755	edit dl rm
logger	35808	0755	edit dl rm
login	52976	0755	edit dl rm
loginctl	59888	0755	edit dl rm
logname	31240	0755	edit dl rm
ls	138216	0755	edit dl rm
lsattr	14656	0755	edit dl rm
lsblk	125320	0755	edit dl rm
lscpu	100736	0755	edit dl rm
lsipc	51584	0755	edit dl rm
lslocks	31440	0755	edit dl rm
lslogins	51584	0755	edit dl rm
lsmem	35200	0755	edit dl rm
lsmod	170352	0755	edit dl rm
lsns	39304	0755	edit dl rm
man	128	0755	edit dl rm
mawk	158504	0755	edit dl rm
mcookie	27080	0755	edit dl rm
md5sum	43432	0755	edit dl rm
md5sum.textutils	43432	0755	edit dl rm
mesg	14720	0755	edit dl rm
mkdir	68104	0755	edit dl rm
mkfifo	39432	0755	edit dl rm
mknod	43528	0755	edit dl rm
mksquashfs	260792	0755	edit dl rm
mkswapfile	865	0755	edit dl rm
mktemp	39432	0755	edit dl rm
more	43400	0755	edit dl rm
mount	47488	4755	edit dl rm
mountpoint	18816	0755	edit dl rm
mv	137752	0755	edit dl rm
namei	22912	0755	edit dl rm
nawk	158504	0755	edit dl rm
nc	39560	0755	edit dl rm
nc.openbsd	39560	0755	edit dl rm
netcat	39560	0755	edit dl rm
networkctl	104832	0755	edit dl rm
newgrp	40496	4755	edit dl rm
nice	35336	0755	edit dl rm
nisdomainname	22760	0755	edit dl rm
nl	100936	0755	edit dl rm
nohup	35240	0755	edit dl rm
nproc	35336	0755	edit dl rm
nsenter	27240	0755	edit dl rm
nstat	31104	0755	edit dl rm
numfmt	55848	0755	edit dl rm
od	68104	0755	edit dl rm
openssl	1001272	0755	edit dl rm
p11-kit	31104	0755	edit dl rm
p11tool	223616	0755	edit dl rm
pager	199048	0755	edit dl rm
partx	59784	0755	edit dl rm
passwd	59976	4755	edit dl rm
paste	35240	0755	edit dl rm
pathchk	35336	0755	edit dl rm
pdb3	63225	0755	edit dl rm
pdb3.10	63225	0755	edit dl rm
perl	3806200	0755	edit dl rm
perl5.34.0	3806200	0755	edit dl rm
pgrep	30968	0755	edit dl rm
pidof	31112	0755	edit dl rm
pidwait	30968	0755	edit dl rm
ping	76680	0755	edit dl rm
ping4	76680	0755	edit dl rm
ping6	76680	0755	edit dl rm
pinky	35240	0755	edit dl rm
pkaction	18736	0755	edit dl rm
pkcheck	22832	0755	edit dl rm
pkcs11-tool	160784	0755	edit dl rm
pkill	30968	0755	edit dl rm
pkttyagent	18736	0755	edit dl rm
pldd	22904	0755	edit dl rm
plymouth	47408	0755	edit dl rm
pmap	35064	0755	edit dl rm
pr	68176	0755	edit dl rm
printenv	31112	0755	edit dl rm
printf	51648	0755	edit dl rm
prlimit	27536	0755	edit dl rm
ps	141776	0755	edit dl rm
ptx	129592	0755	edit dl rm
pwd	35336	0755	edit dl rm
pwdx	14568	0755	edit dl rm
py3clean	7815	0755	edit dl rm
py3compile	13193	0755	edit dl rm
py3versions	11910	0755	edit dl rm
pybabel	953	0755	edit dl rm
pybabel-python3	953	0755	edit dl rm
pydoc3	79	0755	edit dl rm
pydoc3.10	79	0755	edit dl rm
pygettext3	24235	0755	edit dl rm
pygettext3.10	24235	0755	edit dl rm
pyserial-miniterm	975	0755	edit dl rm
pyserial-ports	969	0755	edit dl rm
python3	5937704	0755	edit dl rm
python3.10	5937704	0755	edit dl rm
rbash	1396520	0755	edit dl rm
rcp	133720	0755	edit dl rm
rdma	100880	0755	edit dl rm
readlink	39336	0755	edit dl rm
realpath	39336	0755	edit dl rm
renice	14720	0755	edit dl rm
reset	26944	0755	edit dl rm
resizepart	22912	0755	edit dl rm
resolvectl	133656	0755	edit dl rm
rev	14720	0755	edit dl rm
rgrep	30	0755	edit dl rm
rlogin	846888	0755	edit dl rm
rm	59912	0755	edit dl rm
rmdir	43432	0755	edit dl rm
routef	208	0755	edit dl rm
routel	1656	0755	edit dl rm
rsh	846888	0755	edit dl rm
rtstat	23200	0755	edit dl rm
run-parts	27176	0755	edit dl rm
runcon	35336	0755	edit dl rm
rview	1520320	0755	edit dl rm
savelog	10487	0755	edit dl rm
sbattach	27176	0755	edit dl rm
sbkeysync	35576	0755	edit dl rm
sbsiglist	14952	0755	edit dl rm
sbsign	35536	0755	edit dl rm
sbvarsign	23280	0755	edit dl rm
sbverify	35440	0755	edit dl rm
scp	133720	0755	edit dl rm
script	51584	0755	edit dl rm
scriptlive	43392	0755	edit dl rm
scriptreplay	35200	0755	edit dl rm
sdiff	47504	0755	edit dl rm
sed	113224	0755	edit dl rm
select-editor	2450	0755	edit dl rm
sensible-browser	1290	0755	edit dl rm
sensible-editor	1269	0755	edit dl rm
sensible-pager	565	0755	edit dl rm
seq	47624	0755	edit dl rm
setarch	27288	0755	edit dl rm
setpriv	39304	0755	edit dl rm
setsid	14720	0755	edit dl rm
setterm	35200	0755	edit dl rm
sftp	146088	0755	edit dl rm
sg	40496	4755	edit dl rm
sh	125688	0755	edit dl rm
sha1sum	43432	0755	edit dl rm
sha224sum	51624	0755	edit dl rm
sha256sum	51624	0755	edit dl rm
sha384sum	59816	0755	edit dl rm
sha512sum	59816	0755	edit dl rm
shred	51720	0755	edit dl rm
shuf	47624	0755	edit dl rm
skill	30952	0755	edit dl rm
slabtop	22768	0755	edit dl rm
sleep	35336	0755	edit dl rm
slogin	846888	0755	edit dl rm
snap	23523401	0755	edit dl rm
snapctl	-	0	edit dl rm
snice	30952	0755	edit dl rm
sort	101176	0755	edit dl rm
splash-client	404	0755	edit dl rm
split	52192	0755	edit dl rm
sqfscat	135064	0755	edit dl rm
sqfstar	260792	0755	edit dl rm
ss	128072	0755	edit dl rm
ssh	846888	0755	edit dl rm
ssh-add	170416	0755	edit dl rm
ssh-agent	293304	2755	edit dl rm
ssh-argv0	1455	0755	edit dl rm
ssh-copy-id	12676	0755	edit dl rm
ssh-keygen	457152	0755	edit dl rm
ssh-keyscan	195008	0755	edit dl rm
stat	80400	0755	edit dl rm
stdbuf	43528	0755	edit dl rm
stty	76296	0755	edit dl rm
su	55680	4755	edit dl rm
sudo	232416	4755	edit dl rm
sudoedit	232416	4755	edit dl rm
sudoreplay	89744	0755	edit dl rm
sum	35240	0755	edit dl rm
sync	35240	0755	edit dl rm
systemctl	1115760	0755	edit dl rm
systemd	1849992	0755	edit dl rm
systemd-analyze	1809160	0755	edit dl rm
systemd-ask-password	18928	0755	edit dl rm
systemd-cat	18816	0755	edit dl rm
systemd-cgls	23016	0755	edit dl rm
systemd-cgtop	39312	0755	edit dl rm
systemd-cryptenroll	51744	0755	edit dl rm
systemd-delta	27000	0755	edit dl rm
systemd-detect-virt	18808	0755	edit dl rm
systemd-escape	22904	0755	edit dl rm
systemd-hwdb	121504	0755	edit dl rm
systemd-id128	27000	0755	edit dl rm
systemd-inhibit	22928	0755	edit dl rm
systemd-machine-id-setup	18928	0755	edit dl rm
systemd-mount	51808	0755	edit dl rm
systemd-notify	22912	0755	edit dl rm
systemd-path	18808	0755	edit dl rm
systemd-run	64072	0755	edit dl rm
systemd-socket-activate	27000	0755	edit dl rm
systemd-stdio-bridge	22912	0755	edit dl rm
systemd-sysext	47608	0755	edit dl rm
systemd-sysusers	64184	0755	edit dl rm
systemd-tmpfiles	100936	0755	edit dl rm
systemd-tty-ask-password-agent	35192	0755	edit dl rm
systemd-umount	51808	0755	edit dl rm
tabs	18744	0755	edit dl rm
tac	100776	0755	edit dl rm
tail	68112	0755	edit dl rm
tar	517952	0755	edit dl rm
taskset	22912	0755	edit dl rm
tee	35336	0755	edit dl rm
tempfile	14360	0755	edit dl rm
test	43456	0755	edit dl rm
tic	88488	0755	edit dl rm
timedatectl	815	0755	edit dl rm
timedatectl.real	47480	0755	edit dl rm
timeout	39880	0755	edit dl rm
tload	18680	0755	edit dl rm
toe	22840	0755	edit dl rm
top	133184	0755	edit dl rm
touch	92680	0755	edit dl rm
tput	26968	0755	edit dl rm
tr	47624	0755	edit dl rm
true	26936	0755	edit dl rm
truncate	35336	0755	edit dl rm
tset	26944	0755	edit dl rm
tsort	47624	0755	edit dl rm
tty	31240	0755	edit dl rm
tzselect	15379	0755	edit dl rm
ucf	41883	0755	edit dl rm
ucfq	19367	0755	edit dl rm
ucfr	10719	0755	edit dl rm
uclampset	27008	0755	edit dl rm
udevadm	1131856	0755	edit dl rm
umount	35200	4755	edit dl rm
uname	35336	0755	edit dl rm
uncompress	2346	0755	edit dl rm
unexpand	35360	0755	edit dl rm
uniq	43528	0755	edit dl rm
unlink	31240	0755	edit dl rm
unshare	31336	0755	edit dl rm
unsquashfs	135064	0755	edit dl rm
update-alternatives	59640	0755	edit dl rm
uptime	14568	0755	edit dl rm
users	35336	0755	edit dl rm
utmpdump	22912	0755	edit dl rm
vcs-run	6912	0755	edit dl rm
vdir	138216	0755	edit dl rm
vi	1520320	0755	edit dl rm
view	1520320	0755	edit dl rm
vim.tiny	1520320	0755	edit dl rm
vmstat	39160	0755	edit dl rm
w	22760	0755	edit dl rm
wall	22912	0755	edit dl rm
watch	27240	0755	edit dl rm
wc	43440	0755	edit dl rm
wdctl	31128	0755	edit dl rm
whereis	31576	0755	edit dl rm
which	946	0755	edit dl rm
which.debianutils	946	0755	edit dl rm
who	51736	0755	edit dl rm
whoami	31240	0755	edit dl rm
wpa_passphrase	14656	0755	edit dl rm
x86_64	27288	0755	edit dl rm
xargs	63912	0755	edit dl rm
xdg-open	38	0755	edit dl rm
xdg-settings	1723	0755	edit dl rm
xxd	18720	0755	edit dl rm
yes	31112	0755	edit dl rm
ypdomainname	22760	0755	edit dl rm
zcat	1984	0755	edit dl rm
zcmp	1678	0755	edit dl rm
zdiff	5898	0755	edit dl rm
zdump	26840	0755	edit dl rm
zegrep	29	0755	edit dl rm
zfgrep	29	0755	edit dl rm
zforce	2081	0755	edit dl rm
zgrep	8103	0755	edit dl rm
zless	2206	0755	edit dl rm
zmore	1842	0755	edit dl rm
znew	4577	0755	edit dl rm
[	51648	0755	edit dl rm

Edit: /snap/core22/2437/usr/bin/growpart (26850B)

#!/bin/sh
#    Copyright (C) 2011 Canonical Ltd.
#    Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
#
#    Authors: Scott Moser <smoser@canonical.com>
#             Juerg Haefliger <juerg.haefliger@hp.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 3 of the License.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

# the fudge factor. if within this many bytes dont bother
FUDGE=${GROWPART_FUDGE:-$((1024*1024))}
TEMP_D=""
RESTORE_FUNC=""
RESTORE_HUMAN=""
VERBOSITY=0
DISK=""
PART=""
PT_UPDATE=false
DRY_RUN=0
FLOCK_DISK_FD=""
RESIZE_RESULT=""

SFDISK_VERSION=""
SFDISK_2_26="22600"
SFDISK_V_WORKING_GPT="22603"
MBR_BACKUP=""
GPT_BACKUP=""
_capture=""

error() {
	echo "$@" 1>&2
}

fail() {
	[ $# -eq 0 ] || echo "FAILED:" "$@"
	exit 2
}

nochange() {
	RESIZE_RESULT="NOCHANGE"
	echo "NOCHANGE:" "$@"
	return 1
}

changed() {
	RESIZE_RESULT="CHANGED"
	echo "CHANGED:" "$@"
	return 0
}

change() {
	RESIZE_RESULT="CHANGE"
	echo "CHANGE:" "$@"
	return 0
}

cleanup() {
	if [ -n "${RESTORE_FUNC}" ]; then
		error "***** WARNING: Resize failed, attempting to revert ******"
		if ${RESTORE_FUNC} ; then
			error "***** Restore appears to have gone OK ****"
		else
			error "***** Restore FAILED! ******"
			if [ -n "${RESTORE_HUMAN}" -a -f "${RESTORE_HUMAN}" ]; then
				error "**** original table looked like: ****"
				cat "${RESTORE_HUMAN}" 1>&2
			else
				error "We seem to have not saved the partition table!"
			fi
		fi
		unlock_disk_and_settle $DISK
	fi
	[ -z "${TEMP_D}" -o ! -d "${TEMP_D}" ] || rm -Rf "${TEMP_D}"
}

debug() {
	local level=${1}
	shift
	[ "${level}" -gt "${VERBOSITY}" ] && return
	if [ "${DEBUG_LOG}" ]; then
		echo "$@" >>"${DEBUG_LOG}"
	else
		error "$@"
	fi
}

debugcat() {
	local level="$1"
	shift;
	[ "${level}" -gt "$VERBOSITY" ] && return
	if [ "${DEBUG_LOG}" ]; then
		cat "$@" >>"${DEBUG_LOG}"
	else
		cat "$@" 1>&2
	fi
}

mktemp_d() {
	# just a mktemp -d that doens't need mktemp if its not there.
	_RET=$(mktemp -d "${TMPDIR:-/tmp}/${0##*/}.XXXXXX" 2>/dev/null) &&
		return
	_RET=$(umask 077 && t="${TMPDIR:-/tmp}/${0##*/}.$$" &&
		mkdir "${t}" &&	echo "${t}")
	return
}

Usage() {
	cat <<EOF
${0##*/} disk partition
   rewrite partition table so that partition takes up all the space it can
   options:
    -h | --help       print Usage and exit
         --fudge F    if part could be resized, but change would be
                      less than 'F' bytes, do not resize (default: ${FUDGE})
    -N | --dry-run    only report what would be done, show new 'sfdisk -d'
    -v | --verbose    increase verbosity / debug
    -u | --update  R  update the the kernel partition table info after growing
                      this requires kernel support and 'partx --update'
                      R is one of:
                       - 'auto'  : [default] update partition if possible
                       - 'force' : try despite sanity checks (fail on failure)
                       - 'off'   : do not attempt
                       - 'on'    : fail if sanity checks indicate no support

Example:
    - ${0##*/} /dev/sda 1
      Resize partition 1 on /dev/sda
EOF
}

bad_Usage() {
	Usage 1>&2
	error "$@"
	exit 2
}

lock_disk() {
	local disk="$1"
	# flock the target disk to protect against udev actions while modifying.
	# https://systemd.io/BLOCK_DEVICE_LOCKING/
	[ "${DRY_RUN}" = 0 ] || return

# only lock block devices, files do not need a lock
	[ -b "${disk}" ] || return

# The FD values are hard-coded per /bin/sh requirement for using exec
	# to open paths with specific fd values; man (1) sh on "Redirections"
	FLOCK_DISK_FD=9
	debug 1 "FLOCK: try exec open fd 9, on failure exec exits this program"
	exec 9<>$disk

# Do not use --nonblock or --timeout as udev may be already processing
	# the disk and we must wait until it has released the disk to
	# proceed.  Failure to obtain exclusive lock is fatal to growpart.
	rq flock flock -x $FLOCK_DISK_FD ||
		fail "Error while obtaining exclusive lock on $DISK"
	debug 1 "FLOCK: $disk: obtained exclusive lock"
}

unlock_disk_and_settle() {
	# unlock_disk(disk, settle)
	local disk="$1"
	local settle=${2-"1"}
	# release the lock on a disk if locked.  When a disk is locked,
	# FLOCK_DISK_FD is set to the hard-coded value of 9.
	# After unlocking run udevadm settle as the disk has likely been changed.
	[ "${DRY_RUN}" = 0 ] || return
	[ -n "${FLOCK_DISK_FD}" ] || return

debug 1 "FLOCK: ${disk}: releasing exclusive lock"
	exec 9>&-
	[ "${settle}" = 1 ] && udevadm settle
	FLOCK_DISK_FD=""
}

sfdisk_restore_legacy() {
	sfdisk --no-reread "${DISK}" -I "${MBR_BACKUP}"
}

sfdisk_restore() {
	# files are named: sfdisk-<device>-<offset>.bak
	local f="" offset="" fails=0
	for f in "${MBR_BACKUP}"*.bak; do
		[ -f "$f" ] || continue
		offset=${f##*-}
		offset=${offset%.bak}
		[ "$offset" = "$f" ] && {
			error "WARN: confused by file $f";
			continue;
		}
		dd "if=$f" "of=${DISK}" seek=$(($offset)) bs=1 conv=notrunc ||
			{ error "WARN: failed restore from $f"; fails=$(($fails+1)); }
	done
	return $fails
}

sfdisk_worked_but_blkrrpart_failed() {
	local ret="$1" output="$2"
	# exit code found was just 1, but dont insist on that
	#[ $ret -eq 1 ] || return 1
	# Successfully wrote the new partition table
	if grep -qi "Success.* wrote.* new.* partition" "$output"; then
		grep -qi "BLKRRPART: Device or resource busy" "$output"
		return
	# The partition table has been altered.
	elif grep -qi "The.* part.* table.* has.* been.* altered" "$output"; then
		# Re-reading the partition table failed
		grep -qi "Re-reading.* partition.* table.* failed" "$output"
		return
	fi
	return $ret
}

get_sfdisk_version() {
	# set SFDISK_VERSION to MAJOR*10000+MINOR*100+MICRO
	local out oifs="$IFS" ver=""
	[ -n "$SFDISK_VERSION" ] && return 0
	[ -n "$SFDISK" ] || {
		SFDISK_VERSION=0
		return 0
	}
	# expected output: sfdisk from util-linux 2.25.2
	out=$(LANG=C sfdisk --version) ||
		{ error "failed to get sfdisk version"; return 1; }
	set -- $out
	ver=$4
	case "$ver" in
		[0-9]*.[0-9]*.[0-9]|[0-9].[0-9]*)
			IFS="."; set -- $ver; IFS="$oifs"
			SFDISK_VERSION=$(($1*10000+$2*100+${3:-0}))
			return 0;;
		*) error "unexpected output in sfdisk --version [$out]"
			return 1;;
	esac
}

get_diskpart_path() {
	# get_diskpart_path(disk, part_number)
	# return the path to the partition device on disk
	#
	# Convert inputs disk and part into a path to a partition device path
	# handle both block devices or files.
	# e.g.  get_diskpart_path /dev/loop0 7 returns /dev/loop0p7
	local disk="$1"
	local part="$2"
	local dpart=""

dpart="${disk}${part}" # disk and partition number
	if [ -b "$disk" ]; then
		if [ -b "${disk}p${part}" -a "${disk%[0-9]}" != "${disk}" ]; then
			# for block devices that end in a number (/dev/nbd0)
			# the partition is "<name>p<partition_number>" (/dev/nbd0p1)
			dpart="${disk}p${part}"
		elif [ "${disk#/dev/loop[0-9]}" != "${disk}" ]; then
			# for /dev/loop devices, sfdisk output will be <name>p<number>
			# format also, even though there is not a device there.
			dpart="${disk}p${part}"
		fi
	else
		case "$disk" in
			# sfdisk for files ending in digit to <disk>p<num>.
			*[0-9]) dpart="${disk}p${part}";;
		esac
	fi
	_RET="$dpart"
}

resize_sfdisk() {
	local humanpt="${TEMP_D}/recovery"
	local mbr_backup="${TEMP_D}/orig.save"
	local restore_func=""
	local format="$1"

local change_out=${TEMP_D}/change.out
	local dump_out=${TEMP_D}/dump.out
	local new_out=${TEMP_D}/new.out
	local dump_mod=${TEMP_D}/dump.mod
	local tmp="${TEMP_D}/tmp.out"
	local err="${TEMP_D}/err.out"
	local mbr_max_512="4294967296"

local pt_start pt_size pt_end max_end new_size change_info dpart
	local sector_num sector_size disk_size tot out

LANG=C rqe sfd_list sfdisk --list --unit=S "$DISK" >"$tmp" ||
		fail "failed: sfdisk --list $DISK"
	if [ "${SFDISK_VERSION}" -lt ${SFDISK_2_26} ]; then
		# exected output contains: Units: sectors of 512 bytes, ...
		out=$(awk '$1 == "Units:" && $5 ~ /bytes/ { print $4 }' "$tmp") ||
			fail "failed to read sfdisk output"
		if [ -z "$out" ]; then
			error "WARN: sector size not found in sfdisk output, assuming 512"
			sector_size=512
		else
			sector_size="$out"
		fi
		local _w _cyl _w1 _heads _w2 sectors _w3 t s
		# show-size is in units of 1024 bytes (same as /proc/partitions)
		t=$(sfdisk --show-size "${DISK}") ||
			fail "failed: sfdisk --show-size $DISK"
		disk_size=$((t*1024))
		sector_num=$(($disk_size/$sector_size))
		msg="disk size '$disk_size' not evenly div by sector size '$sector_size'"
		[ "$((${disk_size}%${sector_size}))" -eq 0 ] ||
			error "WARN: $msg"
		restore_func=sfdisk_restore_legacy
	else
		# --list first line output:
		# Disk /dev/vda: 20 GiB, 21474836480 bytes, 41943040 sectors
		local _x
		read _x _x _x _x disk_size _x sector_num _x < "$tmp"
		sector_size=$((disk_size/$sector_num))
		restore_func=sfdisk_restore
	fi

debug 1 "$sector_num sectors of $sector_size. total size=${disk_size} bytes"

rqe sfd_dump sfdisk --unit=S --dump "${DISK}" >"${dump_out}" ||
		fail "failed to dump sfdisk info for ${DISK}"
	RESTORE_HUMAN="$dump_out"

{
		echo "## sfdisk --unit=S --dump ${DISK}"
		cat "${dump_out}"
	} >"$humanpt"

[ $? -eq 0 ] || fail "failed to save sfdisk -d output"
	RESTORE_HUMAN="$humanpt"

debugcat 1 "$humanpt"

sed -e 's/,//g; s/start=/start /; s/size=/size /' "${dump_out}" \
		>"${dump_mod}" ||
		fail "sed failed on dump output"

get_diskpart_path $DISK $PART
	dpart="$_RET"

pt_start=$(awk '$1 == pt { print $4 }' "pt=${dpart}" <"${dump_mod}") &&
		pt_size=$(awk '$1 == pt { print $6 }' "pt=${dpart}" <"${dump_mod}") &&
		[ -n "${pt_start}" -a -n "${pt_size}" ] &&
		pt_end=$((${pt_size}+${pt_start})) ||
		fail "failed to get start and end for ${dpart} in ${DISK}"

# find the minimal starting location that is >= pt_end
	max_end=$(awk '$3 == "start" { if($4 >= pt_end && $4 < min)
		{ min = $4 } } END { printf("%s\n",min); }' \
		min=${sector_num} pt_end=${pt_end} "${dump_mod}") &&
		[ -n "${max_end}" ] ||
		fail "failed to get max_end for partition ${PART}"

if [ "$format" = "gpt" ]; then
		# sfdisk respects 'last-lba' in input, and complains about
		# partitions that go past that.  without it, it does the right thing.
		sed -i '/^last-lba:/d' "$dump_out" ||
			fail "failed to remove last-lba from output"
	fi
	if [ "$format" = "dos" ]; then
		mbr_max_sectors=$((mbr_max_512*$((sector_size/512))))
		if [ "$max_end" -gt "$mbr_max_sectors" ]; then
			max_end=$mbr_max_sectors
		fi
		[ $(($disk_size/512)) -gt $mbr_max_512 ] &&
			debug 0 "WARNING: MBR/dos partitioned disk is larger than 2TB." \
				"Additional space will go unused."
	fi

local gpt_second_size="33"
	if [ "${max_end}" -gt "$((${sector_num}-${gpt_second_size}))" ]; then
		# if mbr allow subsequent conversion to gpt without shrinking the
		# partition.  safety net at cost of 33 sectors, seems reasonable.
		# if gpt, we can't write there anyway.
		debug 1 "padding ${gpt_second_size} sectors for gpt secondary header"
		max_end=$((${sector_num}-${gpt_second_size}))
	fi

debug 1 "max_end=${max_end} tot=${sector_num} pt_end=${pt_end}" \
		"pt_start=${pt_start} pt_size=${pt_size}"
	[ $((${pt_end})) -eq ${max_end} ] && {
		nochange "partition ${PART} is size ${pt_size}. it cannot be grown"
		return
	}
	[ $((${pt_end}+(${FUDGE}/$sector_size))) -gt ${max_end} ] && {
		nochange "partition ${PART} could only be grown by" \
			"$((${max_end}-${pt_end})) [fudge=$((${FUDGE}/$sector_size))]"
		return
	}

# now, change the size for this partition in ${dump_out} to be the
	# new size
	new_size=$((${max_end}-${pt_start}))
	sed "\|^\s*${dpart} |s/$.*$${pt_size},/\1${new_size},/" "${dump_out}" \
		>"${new_out}" ||
		fail "failed to change size in output"

change_info="partition=${PART} start=${pt_start}"
	change_info="${change_info} old: size=${pt_size} end=${pt_end}"
	change_info="${change_info} new: size=${new_size} end=${max_end}"
	if [ ${DRY_RUN} -ne 0 ]; then
		echo "CHANGE: ${change_info}"
		{
			echo "# === old sfdisk -d ==="
			cat "${dump_out}"
			echo "# === new sfdisk -d ==="
			cat "${new_out}"
		} 1>&2
		exit 0
	fi

MBR_BACKUP="${mbr_backup}"
	LANG=C sfdisk --no-reread "${DISK}" --force \
		-O "${mbr_backup}" <"${new_out}" >"${change_out}" 2>&1
	ret=$?
	[ $ret -eq 0 ] || RESTORE_FUNC="${restore_func}"

if [ $ret -eq 0 ]; then
		debug 1 "resize of ${DISK} returned 0."
		if [ $VERBOSITY -gt 2 ]; then
			sed 's,^,| ,' "${change_out}" 1>&2
		fi
	elif $PT_UPDATE &&
		sfdisk_worked_but_blkrrpart_failed "$ret" "${change_out}"; then
		# if the command failed, but it looks like only because
		# the device was busy and we have pt_update, then go on
		debug 1 "sfdisk failed, but likely only because of blkrrpart"
	else
		error "attempt to resize ${DISK} failed. sfdisk output below:"
		sed 's,^,| ,' "${change_out}" 1>&2
		fail "failed to resize"
	fi

rq pt_update pt_update "$DISK" "$PART" ||
		fail "pt_resize failed"

RESTORE_FUNC=""

changed "${change_info}"
	return

# dump_out looks something like:
	## partition table of /tmp/out.img
	#unit: sectors
	#
	#/tmp/out.img1 : start=        1, size=    48194, Id=83
	#/tmp/out.img2 : start=    48195, size=   963900, Id=83
	#/tmp/out.img3 : start=  1012095, size=   305235, Id=82
	#/tmp/out.img4 : start=  1317330, size=   771120, Id= 5
	#/tmp/out.img5 : start=  1317331, size=   642599, Id=83
	#/tmp/out.img6 : start=  1959931, size=    48194, Id=83
	#/tmp/out.img7 : start=  2008126, size=    80324, Id=83
}

gpt_restore() {
	sgdisk -l "${GPT_BACKUP}" "${DISK}"
}

resize_sgdisk() {
	GPT_BACKUP="${TEMP_D}/pt.backup"

local pt_info="${TEMP_D}/pt.info"
	local pt_pretend="${TEMP_D}/pt.pretend"
	local pt_data="${TEMP_D}/pt.data"
	local out="${TEMP_D}/out"

local dev="disk=${DISK} partition=${PART}"

local pt_start pt_end pt_size last pt_max code guid name new_size
	local old new change_info sector_size

# Dump the original partition information and details to disk. This is
	# used in case something goes wrong and human interaction is required
	# to revert any changes.
	rqe sgd_info sgdisk "--info=${PART}" --print "${DISK}" >"${pt_info}" ||
		fail "${dev}: failed to dump original sgdisk info"
	RESTORE_HUMAN="${pt_info}"

# support reading old format (<1.0.2)
	#   Logical sector size: <VAL> bytes
	# and newer format >= 1.0.2
	#   Sector size (logical): <VAL> bytes
	#   Sector size (logical/physical): <VAL>/<PVAL> bytes
	sector_size=$(awk '
		$0 ~ /^Logical sector size:.*bytes/ { print $4; exit(0); }
		$0 ~ /^Sector size $logical$:/ { print $4; exit(0); }
		$0 ~ /^Sector size $logical\/physical$:/ {
		    sub(/\/.*/, "", $4); print $4; exit(0); }' \
		"$pt_info") && [ -n "$sector_size" ] || {
		sector_size=512
		error "WARN: did not find sector size, assuming 512"
	}

debug 1 "$dev: original sgdisk info:"
	debugcat 1 "${pt_info}"

# Pretend to move the backup GPT header to the end of the disk and dump
	# the resulting partition information. We use this info to determine if
	# we have to resize the partition.
	rqe sgd_pretend sgdisk --pretend --move-second-header \
		--print "${DISK}" >"${pt_pretend}" ||
		fail "${dev}: failed to dump pretend sgdisk info"

debug 1 "$dev: pretend sgdisk info"
	debugcat 1 "${pt_pretend}"

# Extract the partition data from the pretend dump
	awk 'found { print } ; $1 == "Number" { found = 1 }' \
		"${pt_pretend}" >"${pt_data}" ||
		fail "${dev}: failed to parse pretend sgdisk info"

# Get the start and end sectors of the partition to be grown
	pt_start=$(awk '$1 == '"${PART}"' { print $2 }' "${pt_data}") &&
		[ -n "${pt_start}" ] ||
		fail "${dev}: failed to get start sector"
	pt_end=$(awk '$1 == '"${PART}"' { print $3 }' "${pt_data}") &&
		[ -n "${pt_end}" ] ||
		fail "${dev}: failed to get end sector"
	# sgdisk start and end are inclusive.  start 2048 length 10 ends at 2057.
	pt_end=$((pt_end+1))
	pt_size="$((${pt_end} - ${pt_start}))"

# Get the last usable sector
	last=$(awk '/last usable sector is/ { print $NF }' \
		"${pt_pretend}") && [ -n "${last}" ] ||
		fail "${dev}: failed to get last usable sector"

# Find the minimal start sector that is >= pt_end
	pt_max=$(awk '{ if ($2 >= pt_end && $2 < min) { min = $2 } } END \
		{ print min }' min="${last}" pt_end="${pt_end}" \
		"${pt_data}") && [ -n "${pt_max}" ] ||
		fail "${dev}: failed to find max end sector"

debug 1 "${dev}: pt_start=${pt_start} pt_end=${pt_end}" \
		"pt_size=${pt_size} pt_max=${pt_max} last=${last}"

# Check if the partition can be grown
	[ "${pt_end}" -eq "${pt_max}" ] && {
		nochange "${dev}: size=${pt_size}, it cannot be grown"
		return
	}
	[ "$((${pt_end} + ${FUDGE}/${sector_size}))" -gt "${pt_max}" ] && {
		nochange "${dev}: could only be grown by" \
			"$((${pt_max} - ${pt_end})) [fudge=$((${FUDGE}/$sector_size))]"
		return
	}

# The partition can be grown if we made it here. Get some more info
	# about it so we can do it properly.
	# FIXME: Do we care about the attribute flags?
	code=$(awk '/^Partition GUID code:/ { print $4 }' "${pt_info}")
	guid=$(awk '/^Partition unique GUID:/ { print $4 }' "${pt_info}")
	name=$(awk '/^Partition name:/ { gsub(/'"'"'/, "") ; \
		if (NF >= 3) print substr($0, index($0, $3)) }' "${pt_info}")
	[ -n "${code}" -a -n "${guid}" ] ||
		fail "${dev}: failed to parse sgdisk details"

debug 1 "${dev}: code=${code} guid=${guid} name='${name}'"
	local wouldrun=""
	[ "$DRY_RUN" -ne 0 ] && wouldrun="would-run"

# Calculate the new size of the partition
	new_size=$((${pt_max} - ${pt_start}))
	change_info="partition=${PART} start=${pt_start}"
	change_info="${change_info} old: size=${pt_size} end=${pt_end}"
	change_info="${change_info} new: size=${new_size} end=${pt_max}"

# Backup the current partition table, we're about to modify it
	rq sgd_backup $wouldrun sgdisk "--backup=${GPT_BACKUP}" "${DISK}" ||
		fail "${dev}: failed to backup the partition table"

# Modify the partition table. We do it all in one go (the order is
	# important!):
	#  - move the GPT backup header to the end of the disk
	#  - delete the partition
	#  - recreate the partition with the new size
	#  - set the partition code
	#  - set the partition GUID
	#  - set the partition name
	rq sgdisk_mod $wouldrun sgdisk --move-second-header "--delete=${PART}" \
		"--new=${PART}:${pt_start}:$((pt_max-1))" \
		"--typecode=${PART}:${code}" \
		"--partition-guid=${PART}:${guid}" \
		"--change-name=${PART}:${name}" "${DISK}" &&
		rq pt_update $wouldrun pt_update "$DISK" "$PART" || {
		RESTORE_FUNC=gpt_restore
		fail "${dev}: failed to repartition"
	}

# Dry run
	[ "${DRY_RUN}" -ne 0 ] && {
		change "${change_info}"
		return
	}

changed "${change_info}"
	return
}

kver_to_num() {
	local kver="$1" maj min mic

# Canonicalize the kernel version
	kver=${kver%%[!0-9.]*}.0.0

maj=${kver%%[!0-9]*}
	kver=${kver#*.}
	min=${kver%%[!0-9]*}
	kver=${kver#*.}
	mic=${kver%%[!0-9]*}
	_RET=$((maj*1000*1000+min*1000+mic))
}

kver_cmp() {
	local op="$2" n1="" n2=""
	kver_to_num "$1"
	n1="$_RET"
	kver_to_num "$3"
	n2="$_RET"
	test $n1 $op $n2
}

rq() {
	# runquieterror(label, command)
	# gobble stderr of a command unless it errors
	local label="$1" ret="" efile=""
	efile="$TEMP_D/$label.err"
	shift;

local rlabel="running"
	[ "$1" = "would-run" ] && rlabel="would-run" && shift

local cmd="" x=""
	for x in "$@"; do
		[ "${x#* }" != "$x" -o "${x#* \"}" != "$x" ] && x="'$x'"
		cmd="$cmd $x"
	done
	cmd=${cmd# }

debug 2 "${rlabel}[$label][$_capture]" "$cmd"
	[ "$rlabel" = "would-run" ] && return 0

if [ "${_capture}" = "erronly" ]; then
		"$@" 2>"$TEMP_D/$label.err"
		ret=$?
	else
		"$@" >"$TEMP_D/$label.err" 2>&1
		ret=$?
	fi
	if [ $ret -ne 0 ]; then
		error "failed [$label:$ret]" "$@"
		cat "$efile" 1>&2
	fi
	return $ret
}

rqe() {
	local _capture="erronly"
	rq "$@"
}

verify_ptupdate() {
	local input="$1" found="" reason="" kver=""

# we can always satisfy 'off'
	if [ "$input" = "off" ]; then
		_RET="false";
		return 0;
	fi

if command -v partx >/dev/null 2>&1; then
		local out="" ret=0
		out=$(partx --help 2>&1)
		ret=$?
		if [ $ret -eq 0 ]; then
			echo "$out" | grep -q -- --update || {
				reason="partx has no '--update' flag in usage."
				found="off"
			}
		else
			reason="'partx --help' returned $ret. assuming it is old."
			found="off"
		fi
	else
		reason="no 'partx' command"
		found="off"
	fi

if [ -z "$found" ]; then
		if [ "$(uname)" != "Linux" ]; then
			reason="Kernel is not Linux per uname."
			found="off"
		fi
	fi

if [ -z "$found" ]; then
		kver=$(uname -r) || debug 1 "uname -r failed!"

if ! kver_cmp "${kver-0.0.0}" -ge 3.8.0; then
			reason="Kernel '$kver' < 3.8.0."
			found="off"
		fi
	fi

if [ -z "$found" ]; then
		_RET="true"
		return 0
	fi

case "$input" in
		on) error "$reason"; return 1;;
		auto)
			_RET="false";
			debug 1 "partition update disabled: $reason"
			return 0;;
		force)
			_RET="true"
			error "WARNING: ptupdate forced on even though: $reason"
			return 0;;
	esac
	error "unknown input '$input'";
	return 1;
}

pt_update() {
	local dev="$1" part="$2" update="${3:-$PT_UPDATE}"
	if ! $update; then
		return 0
	fi
	# partx only works on block devices (do not run on file)
	[ -b "$dev" ] || return 0
	partx --update --nr "$part" "$dev"
}

has_cmd() {
	command -v "${1}" >/dev/null 2>&1
}

resize_sgdisk_gpt() {
	resize_sgdisk gpt
}

resize_sgdisk_dos() {
	fail "unable to resize dos label with sgdisk"
}

resize_sfdisk_gpt() {
	resize_sfdisk gpt
}

resize_sfdisk_dos() {
	resize_sfdisk dos
}

get_table_format() {
	local out="" disk="$1"
	if has_cmd blkid && out=$(blkid -o value -s PTTYPE "$disk") &&
		[ "$out" = "dos" -o "$out" = "gpt" ]; then
		_RET="$out"
		return
	fi
	_RET="dos"
	if [ -z "$SFDISK" ]; then
		out=$(LANG=C sgdisk --print "$disk") || {
			error "Could not determine partition table format of $disk" \
				"with 'sgdisk --print $disk'"
			return 1
		}
		# looking for a message like:
		# Found invalid GPT and valid MBR; converting MBR to GPT format
		case "$out" in
			*\ valid\ MBR\ *) _RET="dos";;
			*) _RET="gpt";;
		esac
		return
	elif [ ${SFDISK_VERSION} -lt ${SFDISK_2_26} ] &&
		out=$(sfdisk --id --force "$disk" 1 2>/dev/null); then
		if [ "$out" = "ee" ]; then
			_RET="gpt"
		else
			_RET="dos"
		fi
		return
	elif out=$(LANG=C sfdisk --list "$disk"); then
		out=$(echo "$out" | sed -e '/Disklabel type/!d' -e 's/.*: //')
		case "$out" in
			gpt|dos) _RET="$out";;
			*) error "WARN: unknown label $out";;
		esac
	fi
}

get_resizer() {
	local format="$1" user=${2:-"auto"}

case "$user" in
		sgdisk) _RET="resize_sgdisk_$format"; return;;
		sfdisk) _RET="resize_sfdisk_$format"; return;;
		auto) :;;
		*) error "unexpected value '$user' for growpart resizer"; return 1;;
	esac

if [ "$format" = "dos" ]; then
		[ -n "$SFDISK" ] || {
			error "sfdisk is required for resizing dos/MBR partition table."
			return 1
		}
		_RET="resize_sfdisk_dos"
		return 0
	fi

if [ "${SFDISK_VERSION}" -ge ${SFDISK_V_WORKING_GPT} ]; then
		# sfdisk 2.26.2 works for resize but loses type (LP: #1474090)
		_RET="resize_sfdisk_gpt"
	elif has_cmd sgdisk; then
		_RET="resize_sgdisk_$format"
	else
		error "no tools available to resize disk with '$format'"
		return 1
	fi
	return 0
}

maybe_lvm_resize() {
	local disk="$1" part="$2" partpath="" ret="" out="" wouldrun=""
	[ "$DRY_RUN" -ne 0 ] && wouldrun="would-run"

has_cmd lvm || {
		debug 2 "No lvm command, cannot attempt lvm resize of disk '$disk' part '$part'"
		return 0
	}
	get_diskpart_path "$1" "$2" || {
		error "could not determine partition path for disk '$DISK' part '$part'"
		return 1
	}
	partpath="$_RET"

# can't use rq or rqe here because of "not an lvm" exit code 5.
	set -- lvm pvs --nolocking --readonly -o pvname "$partpath"
	debug 2 "executing: $*"
	out=$("$@" 2>&1)
	ret=$?
	case "$ret" in
		5) debug 1 "$partpath is not an lvm pv"; return 0;;
		0) :;;
		*) error "failed to execute [$ret] '$*'"
			error "$out"
			return 1;;
	esac
	rq lvm_resize $wouldrun lvm pvresize "$partpath" || {
		error "Failed to resize lvm pv $partpath"
		return 1
	}
	return 0
}

pt_update="auto"
resizer=${GROWPART_RESIZER:-"auto"}
while [ $# -ne 0 ]; do
	cur=${1}
	next=${2}
	case "$cur" in
		-h|--help)
			Usage
			exit 0
			;;
		--fudge)
			FUDGE=${next}
			shift
			;;
		-N|--dry-run)
			DRY_RUN=1
			;;
		-u|--update|--update=*)
			if [ "${cur#--update=}" != "$cur" ]; then
				next="${cur#--update=}"
			else
				shift
			fi
			case "$next" in
				off|auto|force|on) pt_update=$next;;
				*) fail "unknown --update option: $next";;
			esac
			;;
		-v|--verbose)
			VERBOSITY=$(($VERBOSITY+1))
			;;
		--)
			shift
			break
			;;
		-*)
			fail "unknown option ${cur}"
			;;
		*)
			if [ -z "${DISK}" ]; then
				DISK=${cur}
			else
				[ -z "${PART}" ] || fail "confused by arg ${cur}"
				PART=${cur}
			fi
			;;
	esac
	shift
done

[ -n "${DISK}" ] || bad_Usage "must supply disk and partition-number"
[ -n "${PART}" ] || bad_Usage "must supply partition-number"

[ -e "${DISK}" ] || fail "${DISK}: does not exist"

# cache the has_cmd return value.
has_cmd sfdisk && SFDISK=sfdisk || SFDISK=""
has_cmd sgdisk && SGDISK=sgdisk || SGDISK=""

[ -n "$SGDISK" -o -n "$SFDISK" ] ||
	fail "Did not have sfdisk or sgdisk in PATH."

get_sfdisk_version || fail

# If $DISK is a symlink, resolve it.
# This avoids problems due to varying partition device name formats
# (e.g. "1" for /dev/sda vs "-part1" for /dev/disk/by-id/name)
if [ -L "${DISK}" ]; then
	has_cmd readlink ||
		fail "${DISK} is a symlink, but 'readlink' command not available."
	real_disk=$(readlink -f "${DISK}") || fail "unable to resolve ${DISK}"
	debug 1 "${DISK} resolved to ${real_disk}"
	DISK=${real_disk}
fi

[ "${PART#*[!0-9]}" = "${PART}" ] || fail "partition-number must be a number"

verify_ptupdate "$pt_update" || fail
PT_UPDATE=$_RET

debug 1 "update-partition set to $PT_UPDATE"

mktemp_d && TEMP_D="${_RET}" || fail "failed to make temp dir"
trap cleanup 0 # EXIT - some shells may not like 'EXIT' but are ok with 0

# get the ID of the first partition to determine if it's MBR or GPT
get_table_format "$DISK" || fail
format=$_RET
get_resizer "$format" "$resizer" ||
	fail "failed to get a resizer for format '$format'"
resizer=$_RET

lock_disk $DISK
debug 1 "resizing $PART on $DISK using $resizer"
"$resizer"
ret=$?

unlock_disk_and_settle $DISK

if [ "$RESIZE_RESULT" = "CHANGED" -o "$RESIZE_RESULT" = "CHANGE" ]; then
	maybe_lvm_resize "$DISK" "$PART" || fail "lvm resize failed."
fi

exit $ret

# vi: ts=4 noexpandtab

cmd: