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comparison sbin/fzfs @ 528:93b98803219b

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fzfs umount: implemented option "-k" (dry-run)
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 04 Sep 2024 18:48:10 +0200
parents b7d60802b25f
children 703e9f357339
comparison
equal deleted inserted replaced
527:b7d60802b25f 528:93b98803219b
34 34
35 create-tree [-A] [-M MOUNTPOINT] [-n] [-p] [-u] SOURCE-DATASET DEST-DATASET 35 create-tree [-A] [-M MOUNTPOINT] [-n] [-p] [-u] SOURCE-DATASET DEST-DATASET
36 36
37 mount [-O] [-N] [-P] [-k] [-u] [-n] DATASET [MOUNTPOINT] 37 mount [-O] [-N] [-P] [-k] [-u] [-n] DATASET [MOUNTPOINT]
38 38
39 umount DATASET 39 umount [-k] DATASET
40 40
41 unmount 41 unmount
42 42
43 ' 43 '
44 44
280 #: 280 #:
281 #: Umount a datasets and recursively all its children datasets. 281 #: Umount a datasets and recursively all its children datasets.
282 #: 282 #:
283 command_umount() { 283 command_umount() {
284 local _dsname 284 local _dsname
285 285 local _opt_dry_run
286 local _name _mp _rest _rootds_mountpoint 286
287 local _opt _name _mp _rest _rootds_mountpoint
288
289 _opt_dry_run=""
290
291 while getopts "k" _opt ; do
292 case ${_opt} in
293 k)
294 _opt_dry_run="yes"
295 ;;
296 \?)
297 return 2;
298 ;;
299 esac
300 done
301 shift $((OPTIND-1))
302 OPTIND=1
287 303
288 _dsname="${1-}" 304 _dsname="${1-}"
289 [ -z "${_dsname}" ] && { echo "ERROR: no dataset given" 1>&2; return 2; } 305 [ -z "${_dsname}" ] && { echo "ERROR: no dataset given" 1>&2; return 2; }
290 306
291 # Just determine whether the given dataset name exists 307 # Just determine whether the given dataset name exists
294 /sbin/mount -t zfs -p \ 310 /sbin/mount -t zfs -p \
295 | LC_ALL=C GREP_OPTIONS="" /usr/bin/egrep "^${_dsname}(/|\s)" \ 311 | LC_ALL=C GREP_OPTIONS="" /usr/bin/egrep "^${_dsname}(/|\s)" \
296 | /usr/bin/sort -n -r \ 312 | /usr/bin/sort -n -r \
297 | { 313 | {
298 while IFS=' '$'\t' read -r _name _mp _rest ; do 314 while IFS=' '$'\t' read -r _name _mp _rest ; do
299 echo "Umounting ${_name} on ${_mp}" 315 if checkyes _opt_dry_run ; then
300 /sbin/umount "${_mp}" || return 1 316 echo "Would umount ${_name} from ${_mp}"
317 else
318 echo "Umounting ${_name} on ${_mp}"
319 /sbin/umount "${_mp}" || return 1
320 fi
301 done 321 done
302 } 322 }
303 return 0 323 return 0
304 } 324 }
305 325