/
snap
/
core20
/
2922
/
usr
/
bin
/
/snap/core20/2922/usr/bin
mkdir
upload
Name
Size
Mode
Actions
aa-enabled
31248
0755
edit
dl
rm
aa-exec
35344
0755
edit
dl
rm
addpart
30952
0755
edit
dl
rm
arch
39288
0755
edit
dl
rm
awk
162552
0755
edit
dl
rm
b2sum
59768
0755
edit
dl
rm
base32
43352
0755
edit
dl
rm
base64
43352
0755
edit
dl
rm
basename
39256
0755
edit
dl
rm
bash
1183448
0755
edit
dl
rm
bashbug
6794
0755
edit
dl
rm
bootctl
63840
0755
edit
dl
rm
bunzip2
39144
0755
edit
dl
rm
busctl
88416
0755
edit
dl
rm
bzcat
39144
0755
edit
dl
rm
bzcmp
2227
0755
edit
dl
rm
bzdiff
2227
0755
edit
dl
rm
bzegrep
3775
0755
edit
dl
rm
bzexe
4877
0755
edit
dl
rm
bzfgrep
3775
0755
edit
dl
rm
bzgrep
3775
0755
edit
dl
rm
bzip2
39144
0755
edit
dl
rm
bzip2recover
18584
0755
edit
dl
rm
bzless
1297
0755
edit
dl
rm
bzmore
1297
0755
edit
dl
rm
captoinfo
92584
0755
edit
dl
rm
cat
43416
0755
edit
dl
rm
catchsegv
3336
0755
edit
dl
rm
cautious-launcher
853
0755
edit
dl
rm
chage
84512
2755
edit
dl
rm
chardet3
389
0755
edit
dl
rm
chardetect3
389
0755
edit
dl
rm
chattr
14656
0755
edit
dl
rm
chcon
72024
0755
edit
dl
rm
chfn
85064
4755
edit
dl
rm
chgrp
72024
0755
edit
dl
rm
chmod
63864
0755
edit
dl
rm
choom
51432
0755
edit
dl
rm
chown
72024
0755
edit
dl
rm
chrt
39144
0755
edit
dl
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chsh
53040
4755
edit
dl
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cksum
39256
0755
edit
dl
rm
clear
14656
0755
edit
dl
rm
clear_console
14568
0755
edit
dl
rm
cloud-id
396
0755
edit
dl
rm
cloud-init
400
0755
edit
dl
rm
cloud-init-per
2108
0755
edit
dl
rm
cmp
51448
0755
edit
dl
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comm
43384
0755
edit
dl
rm
compose
18487
0755
edit
dl
rm
console-conf
406
0755
edit
dl
rm
core-sshd-host-keygen
1521
0755
edit
dl
rm
cp
153976
0755
edit
dl
rm
csplit
55672
0755
edit
dl
rm
ctstat
31240
0755
edit
dl
rm
cut
47480
0755
edit
dl
rm
cvtsudoers
273096
0755
edit
dl
rm
c_rehash
6806
0755
edit
dl
rm
dash
129816
0755
edit
dl
rm
date
108920
0755
edit
dl
rm
dbus-cleanup-sockets
14480
0755
edit
dl
rm
dbus-daemon
249032
0755
edit
dl
rm
dbus-monitor
30864
0755
edit
dl
rm
dbus-run-session
14480
0755
edit
dl
rm
dbus-send
30864
0755
edit
dl
rm
dbus-update-activation-environment
14480
0755
edit
dl
rm
dbus-uuidgen
14480
0755
edit
dl
rm
dd
80256
0755
edit
dl
rm
deb-systemd-helper
21328
0755
edit
dl
rm
deb-systemd-invoke
4430
0755
edit
dl
rm
delpart
30952
0755
edit
dl
rm
df
93128
0755
edit
dl
rm
dh_bash-completion
2446
0755
edit
dl
rm
diff
219640
0755
edit
dl
rm
diff3
67960
0755
edit
dl
rm
dir
142144
0755
edit
dl
rm
dircolors
47456
0755
edit
dl
rm
dirname
39256
0755
edit
dl
rm
dmesg
84440
0755
edit
dl
rm
dnsdomainname
26856
0755
edit
dl
rm
domainname
26856
0755
edit
dl
rm
dpkg-deb
178728
0755
edit
dl
rm
du
108920
0755
edit
dl
rm
ec2metadata
7295
0755
edit
dl
rm
echo
39256
0755
edit
dl
rm
edit
18487
0755
edit
dl
rm
editor
1353976
0755
edit
dl
rm
egrep
28
0755
edit
dl
rm
env
43352
0755
edit
dl
rm
ex
1353976
0755
edit
dl
rm
expand
43384
0755
edit
dl
rm
expiry
31312
2755
edit
dl
rm
expr
55640
0755
edit
dl
rm
factor
80248
0755
edit
dl
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faillog
23136
0755
edit
dl
rm
fallocate
35048
0755
edit
dl
rm
false
39256
0755
edit
dl
rm
fgrep
28
0755
edit
dl
rm
file
27104
0755
edit
dl
rm
finalrd
2152
0755
edit
dl
rm
fincore
35096
0755
edit
dl
rm
find
320160
0755
edit
dl
rm
findmnt
73128
0755
edit
dl
rm
flock
35128
0755
edit
dl
rm
fmt
47448
0755
edit
dl
rm
fold
43352
0755
edit
dl
rm
free
26864
0755
edit
dl
rm
gdbserver
521776
0755
edit
dl
rm
getconf
35112
0755
edit
dl
rm
getent
39576
0755
edit
dl
rm
getopt
22760
0755
edit
dl
rm
gpasswd
88464
4755
edit
dl
rm
gpgv
457880
0755
edit
dl
rm
grep
199136
0755
edit
dl
rm
groups
39256
0755
edit
dl
rm
growpart
24522
0755
edit
dl
rm
gunzip
2346
0755
edit
dl
rm
gzexe
6447
0755
edit
dl
rm
gzip
97496
0755
edit
dl
rm
head
47480
0755
edit
dl
rm
helpztags
2514
0755
edit
dl
rm
hostid
39256
0755
edit
dl
rm
hostname
26856
0755
edit
dl
rm
hostnamectl
26848
0755
edit
dl
rm
i386
27136
0755
edit
dl
rm
iconv
68000
0755
edit
dl
rm
id
47480
0755
edit
dl
rm
infocmp
63880
0755
edit
dl
rm
infotocap
92584
0755
edit
dl
rm
install
158112
0755
edit
dl
rm
ionice
30952
0755
edit
dl
rm
ip
611960
0755
edit
dl
rm
ipcmk
35120
0755
edit
dl
rm
ipcrm
35048
0755
edit
dl
rm
ipcs
67816
0755
edit
dl
rm
iptables-xml
99296
0755
edit
dl
rm
ischroot
14536
0755
edit
dl
rm
join
55672
0755
edit
dl
rm
journalctl
80120
0755
edit
dl
rm
jsondiff
1004
0755
edit
dl
rm
jsonpatch
3662
0755
edit
dl
rm
jsonpatch-jsondiff
1004
0755
edit
dl
rm
jsonpointer
1838
0755
edit
dl
rm
jsonschema
397
0755
edit
dl
rm
kernel-install
5191
0755
edit
dl
rm
kill
30952
0755
edit
dl
rm
kmod
174424
0755
edit
dl
rm
kmodsign
22824
0755
edit
dl
rm
last
51432
0755
edit
dl
rm
lastb
51432
0755
edit
dl
rm
lastlog
32416
0755
edit
dl
rm
lcf
7786
0755
edit
dl
rm
ldd
5433
0755
edit
dl
rm
less
180064
0755
edit
dl
rm
lessecho
14656
0755
edit
dl
rm
lessfile
8564
0755
edit
dl
rm
lesskey
24288
0755
edit
dl
rm
lesspipe
8564
0755
edit
dl
rm
link
39256
0755
edit
dl
rm
linux32
27136
0755
edit
dl
rm
linux64
27136
0755
edit
dl
rm
ln
76160
0755
edit
dl
rm
lnstat
31240
0755
edit
dl
rm
locale
58944
0755
edit
dl
rm
locale-check
14496
0755
edit
dl
rm
localectl
26848
0755
edit
dl
rm
localedef
334808
0755
edit
dl
rm
logger
52040
0755
edit
dl
rm
login
57104
0755
edit
dl
rm
loginctl
59736
0755
edit
dl
rm
logname
39256
0755
edit
dl
rm
ls
142144
0755
edit
dl
rm
lsattr
14656
0755
edit
dl
rm
lsblk
133352
0755
edit
dl
rm
lscpu
100584
0755
edit
dl
rm
lsipc
96488
0755
edit
dl
rm
lslocks
39480
0755
edit
dl
rm
lslogins
67816
0755
edit
dl
rm
lsmem
67816
0755
edit
dl
rm
lsmod
174424
0755
edit
dl
rm
lsns
51440
0755
edit
dl
rm
man
128
0755
edit
dl
rm
mawk
162552
0755
edit
dl
rm
mcookie
35120
0755
edit
dl
rm
md5sum
47480
0755
edit
dl
rm
md5sum.textutils
47480
0755
edit
dl
rm
mesg
14568
0755
edit
dl
rm
miniterm
35098
0755
edit
dl
rm
mkdir
88408
0755
edit
dl
rm
mkfifo
67928
0755
edit
dl
rm
mknod
72024
0755
edit
dl
rm
mksquashfs
210904
0755
edit
dl
rm
mkswapfile
865
0755
edit
dl
rm
mktemp
47448
0755
edit
dl
rm
more
43160
0755
edit
dl
rm
mount
55528
4755
edit
dl
rm
mountpoint
14568
0755
edit
dl
rm
mv
149888
0755
edit
dl
rm
namei
35048
0755
edit
dl
rm
nawk
162552
0755
edit
dl
rm
nc
43664
0755
edit
dl
rm
nc.openbsd
43664
0755
edit
dl
rm
netcat
43664
0755
edit
dl
rm
networkctl
76008
0755
edit
dl
rm
newgrp
44784
4755
edit
dl
rm
nice
43352
0755
edit
dl
rm
nisdomainname
26856
0755
edit
dl
rm
nl
43448
0755
edit
dl
rm
nohup
43352
0755
edit
dl
rm
nproc
43352
0755
edit
dl
rm
nsenter
35256
0755
edit
dl
rm
nstat
80112
0755
edit
dl
rm
numfmt
67992
0755
edit
dl
rm
od
72056
0755
edit
dl
rm
openssl
753336
0755
edit
dl
rm
p11-kit
35216
0755
edit
dl
rm
p11tool
368008
0755
edit
dl
rm
pager
180064
0755
edit
dl
rm
partx
121072
0755
edit
dl
rm
passwd
68208
4755
edit
dl
rm
paste
43384
0755
edit
dl
rm
pathchk
39256
0755
edit
dl
rm
pdb3
62738
0755
edit
dl
rm
pdb3.8
62738
0755
edit
dl
rm
perl
3474368
0755
edit
dl
rm
perl5.30.0
3474368
0755
edit
dl
rm
pgrep
30968
0755
edit
dl
rm
pidof
27016
0755
edit
dl
rm
ping
72776
0755
edit
dl
rm
ping4
72776
0755
edit
dl
rm
ping6
72776
0755
edit
dl
rm
pinky
43384
0755
edit
dl
rm
pkcs11-tool
156440
0755
edit
dl
rm
pkill
30968
0755
edit
dl
rm
pldd
22904
0755
edit
dl
rm
pmap
35064
0755
edit
dl
rm
pr
76216
0755
edit
dl
rm
print
18487
0755
edit
dl
rm
printenv
39256
0755
edit
dl
rm
printf
59736
0755
edit
dl
rm
prlimit
39672
0755
edit
dl
rm
ps
137688
0755
edit
dl
rm
ptx
80280
0755
edit
dl
rm
pwd
43352
0755
edit
dl
rm
pwdx
14568
0755
edit
dl
rm
py3clean
7813
0755
edit
dl
rm
py3compile
12120
0755
edit
dl
rm
py3versions
11717
0755
edit
dl
rm
pydoc3
79
0755
edit
dl
rm
pydoc3.8
79
0755
edit
dl
rm
pygettext3
21535
0755
edit
dl
rm
pygettext3.8
21535
0755
edit
dl
rm
pyjwt3
372
0755
edit
dl
rm
python3
5486320
0755
edit
dl
rm
python3.8
5486320
0755
edit
dl
rm
rbash
1183448
0755
edit
dl
rm
rcp
117040
0755
edit
dl
rm
rdma
133360
0755
edit
dl
rm
readlink
51544
0755
edit
dl
rm
realpath
51576
0755
edit
dl
rm
rename.ul
22760
0755
edit
dl
rm
renice
14568
0755
edit
dl
rm
reset
31040
0755
edit
dl
rm
resizepart
63720
0755
edit
dl
rm
resolvectl
129408
0755
edit
dl
rm
rev
14568
0755
edit
dl
rm
rgrep
30
0755
edit
dl
rm
rlogin
793544
0755
edit
dl
rm
rm
72056
0755
edit
dl
rm
rmdir
47448
0755
edit
dl
rm
routef
208
0755
edit
dl
rm
routel
1656
0755
edit
dl
rm
rsh
793544
0755
edit
dl
rm
rtstat
31240
0755
edit
dl
rm
run-mailcap
18487
0755
edit
dl
rm
run-parts
27144
0755
edit
dl
rm
runcon
39256
0755
edit
dl
rm
rview
1353976
0755
edit
dl
rm
savelog
10481
0755
edit
dl
rm
sbattach
59888
0755
edit
dl
rm
sbkeysync
68304
0755
edit
dl
rm
sbsiglist
59952
0755
edit
dl
rm
sbsign
59952
0755
edit
dl
rm
sbvarsign
68208
0755
edit
dl
rm
sbverify
63984
0755
edit
dl
rm
scp
117040
0755
edit
dl
rm
script
55528
0755
edit
dl
rm
scriptreplay
30952
0755
edit
dl
rm
sdiff
51448
0755
edit
dl
rm
sed
121440
0755
edit
dl
rm
see
18487
0755
edit
dl
rm
select-editor
2442
0755
edit
dl
rm
sensible-browser
1230
0755
edit
dl
rm
sensible-editor
1169
0755
edit
dl
rm
sensible-pager
452
0755
edit
dl
rm
seq
51544
0755
edit
dl
rm
setarch
27136
0755
edit
dl
rm
setpriv
47344
0755
edit
dl
rm
setsid
14568
0755
edit
dl
rm
setterm
47336
0755
edit
dl
rm
sftp
170504
0755
edit
dl
rm
sg
44784
4755
edit
dl
rm
sh
129816
0755
edit
dl
rm
sha1sum
51576
0755
edit
dl
rm
sha224sum
59768
0755
edit
dl
rm
sha256sum
59768
0755
edit
dl
rm
sha384sum
67960
0755
edit
dl
rm
sha512sum
67960
0755
edit
dl
rm
shred
63864
0755
edit
dl
rm
shuf
59736
0755
edit
dl
rm
skill
30952
0755
edit
dl
rm
slabtop
22768
0755
edit
dl
rm
sleep
39256
0755
edit
dl
rm
slogin
793544
0755
edit
dl
rm
snap
23658569
0755
edit
dl
rm
snapctl
-
0
edit
dl
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snice
30952
0755
edit
dl
rm
sort
117376
0755
edit
dl
rm
split
60184
0755
edit
dl
rm
ss
168800
0755
edit
dl
rm
ssh
793544
0755
edit
dl
rm
ssh-add
370976
0755
edit
dl
rm
ssh-agent
350504
2755
edit
dl
rm
ssh-argv0
1455
0755
edit
dl
rm
ssh-copy-id
10658
0755
edit
dl
rm
ssh-keygen
477488
0755
edit
dl
rm
ssh-keyscan
465208
0755
edit
dl
rm
stat
88440
0755
edit
dl
rm
stdbuf
51544
0755
edit
dl
rm
stty
84344
0755
edit
dl
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su
67816
4755
edit
dl
rm
sudo
166056
4755
edit
dl
rm
sudoedit
166056
4755
edit
dl
rm
sudoreplay
64512
0755
edit
dl
rm
sum
47456
0755
edit
dl
rm
sync
39256
0755
edit
dl
rm
systemctl
996584
0755
edit
dl
rm
systemd
1620224
0755
edit
dl
rm
systemd-analyze
1587584
0755
edit
dl
rm
systemd-ask-password
14680
0755
edit
dl
rm
systemd-cat
18664
0755
edit
dl
rm
systemd-cgls
22864
0755
edit
dl
rm
systemd-cgtop
39160
0755
edit
dl
rm
systemd-delta
26848
0755
edit
dl
rm
systemd-detect-virt
18656
0755
edit
dl
rm
systemd-escape
22752
0755
edit
dl
rm
systemd-hwdb
109072
0755
edit
dl
rm
systemd-id128
22752
0755
edit
dl
rm
systemd-inhibit
22776
0755
edit
dl
rm
systemd-machine-id-setup
26952
0755
edit
dl
rm
systemd-mount
51664
0755
edit
dl
rm
systemd-notify
18664
0755
edit
dl
rm
systemd-path
18656
0755
edit
dl
rm
systemd-resolve
129408
0755
edit
dl
rm
systemd-run
59824
0755
edit
dl
rm
systemd-socket-activate
26848
0755
edit
dl
rm
systemd-stdio-bridge
22760
0755
edit
dl
rm
systemd-sysusers
55824
0755
edit
dl
rm
systemd-tmpfiles
88480
0755
edit
dl
rm
systemd-tty-ask-password-agent
30944
0755
edit
dl
rm
systemd-umount
51664
0755
edit
dl
rm
tabs
18744
0755
edit
dl
rm
tac
43352
0755
edit
dl
rm
tail
72088
0755
edit
dl
rm
tar
448112
0755
edit
dl
rm
taskset
35048
0755
edit
dl
rm
tee
43384
0755
edit
dl
rm
tempfile
14360
0755
edit
dl
rm
test
55640
0755
edit
dl
rm
tic
92584
0755
edit
dl
rm
timedatectl
815
0755
edit
dl
rm
timedatectl.real
47328
0755
edit
dl
rm
timeout
43800
0755
edit
dl
rm
tload
22776
0755
edit
dl
rm
toe
22840
0755
edit
dl
rm
top
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Edit:
/snap/core20/2922/usr/bin/growpart
(24522B)
#!/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="" 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() { echo "NOCHANGE:" "$@" exit 1 } changed() { echo "CHANGED:" "$@" exit 0 } change() { echo "CHANGE:" "$@" exit 0 } cleanup() { if [ -n "${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 --exclusive $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_DEVICE_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 "$SFDISK_VERSION" ] && return 0 # expected output: sfdisk from util-linux 2.25.2 out=$(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="${TEMP_D}/err.out" local mbr_max_512="4294967296" local pt_start pt_size pt_end max_end new_size change_info dpart local sector_num sector_size disk_size tot out rqe sfd_list sfdisk --list --unit=S "$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" [ $((${pt_end}+(${FUDGE}/$sector_size))) -gt ${max_end} ] && nochange "partition ${PART} could only be grown by" \ "$((${max_end}-${pt_end})) [fudge=$((${FUDGE}/$sector_size))]" # 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 "${change_info}" # dump_out looks something like: ## partition table of /tmp/out.img #unit: sectors # #/tmp/out.img1 : start= 1, size= 48194, Id=83 #/tmp/out.img2 : start= 48195, size= 963900, Id=83 #/tmp/out.img3 : start= 1012095, size= 305235, Id=82 #/tmp/out.img4 : start= 1317330, size= 771120, Id= 5 #/tmp/out.img5 : start= 1317331, size= 642599, Id=83 #/tmp/out.img6 : start= 1959931, size= 48194, Id=83 #/tmp/out.img7 : start= 2008126, size= 80324, Id=83 } gpt_restore() { sgdisk -l "${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="${pt_info}" sector_size=$(awk '$0 ~ /^Logical sector size:.*bytes/ { print $4 }' \ "$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" [ "$((${pt_end} + ${FUDGE}/${sector_size}))" -gt "${pt_max}" ] && nochange "${dev}: could only be grown by" \ "$((${pt_max} - ${pt_end})) [fudge=$((${FUDGE}/$sector_size))]" # 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}" changed "${change_info}" } kver_to_num() { local kver="$1" maj="" min="" mic="0" kver=${kver%%-*} maj=${kver%%.*} min=${kver#${maj}.} min=${min%%.*} mic=${kver#${maj}.${min}.} [ "$kver" = "$mic" ] && mic=0 _RET=$(($maj*1000*1000+$min*1000+$mic)) } kver_cmp() { local op="$2" n1="" n2="" kver_to_num "$1" n1="$_RET" kver_to_num "$3" n2="$_RET" [ $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 [ ${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_$format"; return;; auto) :;; *) error "unexpected input: '$user'";; esac if [ "$format" = "dos" ]; then _RET="resize_sfdisk_dos" return 0 fi if [ "${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 '$format'" return 1 fi return 0 } pt_update="auto" resizer=${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" has_cmd "sfdisk" || fail "sfdisk not found" get_sfdisk_version || fail [ -e "${DISK}" ] || fail "${DISK}: does not exist" # 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 id '$id'" resizer=$_RET lock_disk $DISK debug 1 "resizing $PART on $DISK using $resizer" "$resizer" unlock_disk_and_settle $DISK # vi: ts=4 noexpandtab
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