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comparison sbin/fzfs @ 421:a571a30bcf8a

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Begin the implementation of "fzfs copy-tree"
author Franz Glasner <hg@dom66.de>
date Tue, 19 Sep 2023 19:35:29 +0200
parents bb0a0384b5da
children 4363929b0a3e
comparison
equal deleted inserted replaced
420:bf0d63c8e682 421:a571a30bcf8a
25 -V Print the program name and version number to stdout and exit 25 -V Print the program name and version number to stdout and exit
26 26
27 -h Print this help message to stdout and exit 27 -h Print this help message to stdout and exit
28 28
29 COMMANDS: 29 COMMANDS:
30
31 copy-tree [-A] [-M MOUNTPOINT] [-n] [-u] SOURCE-DATASET DEST-DATASET
30 32
31 create-tree [-A] [-M MOUNTPOINT] [-n] [-p] [-u] SOURCE-DATASET DEST-DATASET 33 create-tree [-A] [-M MOUNTPOINT] [-n] [-p] [-u] SOURCE-DATASET DEST-DATASET
32 34
33 mount [-O] [-N] [-P] [-u] [-n] DATASET [MOUNTPOINT] 35 mount [-O] [-N] [-P] [-u] [-n] DATASET [MOUNTPOINT]
34 36
244 echo "Umounting ${_name} on ${_mp}" 246 echo "Umounting ${_name} on ${_mp}"
245 umount "${_mp}" || return 1 247 umount "${_mp}" || return 1
246 done 248 done
247 } 249 }
248 return 0 250 return 0
251 }
252
253
254 #:
255 #: Implementation of "copy-tree"
256 #:
257 command_copy_tree() {
258 local _ds_source _ds_target
259 local _opt_mountpoint _opt_mount_noauto _opt_nomount _opt_dry_run
260
261 local _ds_source_base _ds_source_snapshot
262
263 while getopts "AM:nu" _opt ; do
264 case ${_opt} in
265 A)
266 _opt_mount_noauto="-o canmount=noauto"
267 ;;
268 M)
269 _opt_mountpoint="${OPTARG}"
270 ;;
271 n)
272 _opt_dry_run="-n"
273 ;;
274 u)
275 _opt_nomount="-u"
276 ;;
277 \?)
278 return 2;
279 ;;
280 esac
281 done
282 shift $((OPTID-1))
283 OPTIND=1
284
285 _ds_source="${1-}"
286 _ds_target="${2-}"
287
288 [ -z "${_ds_source}" ] && { echo "ERROR: no source given" 1>&2; return 2; }
289 [ -z "${_snapshot_name}" ] && { echo "ERROR: no snapshot name given" 1>&2; return 2; }
290
291 _ds_source_base="${_ds_source%@*}"
292 _ds_source_snapshot="${_ds_source##*@}"
293
294 if [ "${_ds_source_snapshot}" = "${_ds_source_base}" ]; then
295 # No snapshot given
296 _ds_source_snapshot=""
297 fi
249 } 298 }
250 299
251 300
252 #: 301 #:
253 #: Implement the "create-tree" command 302 #: Implement the "create-tree" command
409 command_mount "$@" 458 command_mount "$@"
410 ;; 459 ;;
411 umount|unmount) 460 umount|unmount)
412 command_umount "$@" 461 command_umount "$@"
413 ;; 462 ;;
463 copy-tree)
464 command_copy_tree "$@"
465 ;;
414 create-tree) 466 create-tree)
415 command_create_tree "$@" 467 command_create_tree "$@"
416 ;; 468 ;;
417 *) 469 *)
418 echo "ERROR: unknown command \`${command}'" 1>&2 470 echo "ERROR: unknown command \`${command}'" 1>&2