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FIX: In mount and unmount commands handle pipeline return values correctly now
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 21 Aug 2022 11:43:01 +0200
parents 8f739dd15d7f
children 6b7a084ddf1d
comparison
equal deleted inserted replaced
200:8f739dd15d7f 201:687210f46b8f
393 fi 393 fi
394 394
395 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \ 395 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
396 { echo "ERROR: root dataset does not exist" >&2; return 1; } 396 { echo "ERROR: root dataset does not exist" >&2; return 1; }
397 397
398 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" | \ 398 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" \
399 | {
399 while IFS=$'\t' read -r _name _mp _canmount _mounted ; do 400 while IFS=$'\t' read -r _name _mp _canmount _mounted ; do
400 # Skip filesystems that are already mounted 401 # Skip filesystems that are already mounted
401 [ "${_mounted}" = "yes" ] && continue 402 [ "${_mounted}" = "yes" ] && continue
402 # Skip filesystems that must not be mounted 403 # Skip filesystems that must not be mounted
403 [ "${_canmount}" = "off" ] && continue 404 [ "${_canmount}" = "off" ] && continue
430 echo "Skipping ${_name} because its configured mountpoint is not relative to given root dataset" 2>&1 431 echo "Skipping ${_name} because its configured mountpoint is not relative to given root dataset" 2>&1
431 ;; 432 ;;
432 esac 433 esac
433 done 434 done
434 435
435 return 0 436 return 0
437 }
436 } 438 }
437 439
438 440
439 # 441 #
440 # "umount" -- Recursively unmount ZFS datasets 442 # "umount" -- Recursively unmount ZFS datasets
451 { echo "ERROR: no dataset given" >&2; return 2; } 453 { echo "ERROR: no dataset given" >&2; return 2; }
452 454
453 # Just determine whether the given dataset name exists 455 # Just determine whether the given dataset name exists
454 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || { echo "ERROR: dataset not found" >&2; return 1; } 456 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || { echo "ERROR: dataset not found" >&2; return 1; }
455 457
456 mount -t zfs -p | \ 458 mount -t zfs -p \
457 grep -E "^${_dsname}(/|\s)" | \ 459 | grep -E "^${_dsname}(/|\s)" \
458 sort -n -r | \ 460 | sort -n -r \
461 | {
459 while IFS=' '$'\t' read -r _name _mp _rest ; do 462 while IFS=' '$'\t' read -r _name _mp _rest ; do
460 echo "Umounting ${_name} on ${_mp}" 463 echo "Umounting ${_name} on ${_mp}"
461 umount "${_mp}" || return 1 464 umount "${_mp}" || return 1
462 done 465 done
463 return 0 466 return 0
467 }
464 } 468 }
465 469
466 470
467 # 471 #
468 # "privs" -- adjust privileges 472 # "privs" -- adjust privileges