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annotate sbin/fzfs @ 492:312aebce590c

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FIX: Handle severe error in "fzfs mount" when the root dataset naturally mounts at root filesystem
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 30 Aug 2024 14:17:45 +0200
parents a2011285f054
children eb42828c0cbf
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1 #!/bin/sh
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2 # -*- indent-tabs-mode: nil; -*-
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3 #:
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4 #: A ZFS management helper tool.
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5 #:
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6 #: :Author: Franz Glasner
438
9c3b1966ba91 Extend copyright to 2024
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7 #: :Copyright: (c) 2022-2024 Franz Glasner.
276
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8 #: All rights reserved.
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9 #: :License: BSD 3-Clause "New" or "Revised" License.
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10 #: See LICENSE for details.
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11 #: If you cannot find LICENSE see
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12 #: <https://opensource.org/licenses/BSD-3-Clause>
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84d2735fe7f6 Simplified version tagging a lot: it is also faster now.
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13 #: :ID: @(#)@@SIMPLEVERSIONTAG@@
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14 #:
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15
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16 set -eu
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17
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18 VERSION="@@VERSION@@"
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19
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20 USAGE='
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21 USAGE: fzfs [ OPTIONS ] COMMAND [ COMMAND OPTIONS ] [ ARG ... ]
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22
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23 OPTIONS:
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24
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25 -V Print the program name and version number to stdout and exit
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26
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27 -h Print this help message to stdout and exit
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28
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29 COMMANDS:
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30
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31 copy-tree [-A] [-M MOUNTPOINT] [-n] [-u] SOURCE-DATASET DEST-DATASET
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32
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33 create-tree [-A] [-M MOUNTPOINT] [-n] [-p] [-u] SOURCE-DATASET DEST-DATASET
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34
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1fc3b04b39fa Build and package manual pages for fzfs, fzfs-mount and fzfs-umount.
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35 mount [-O] [-N] [-P] [-u] [-n] DATASET [MOUNTPOINT]
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36
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37 umount DATASET
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38
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39 unmount
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40
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41 '
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42
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43
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44 _p_datadir="$(dirname "$0")"/../share/local-bsdtools
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45 . "${_p_datadir}/common.subr"
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47
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48 #
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49 #: Implementation of the "mount" command.
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50 #:
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51 #: Mount a dataset and recursively all its children datasets.
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52 #:
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53 command_mount() {
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54 local _dsname _mountpoint
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55 local _opt_dry_run _opt_mount_outside _opt_mount_natural
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56 local _opt_mount_children_only
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57
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58 local _name _mp _canmount _mounted _rootds_mountpoint _rootds_mountpoint_prefix _relative_mp _real_mp
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59
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60 _opt_dry_run=""
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61 _opt_mount_outside=""
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62 _opt_mount_natural=""
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63 _opt_mount_children_only=""
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64 while getopts "ONPnu" _opt ; do
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65 case ${_opt} in
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66 O)
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67 _opt_mount_outside="yes"
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68 ;;
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69 N)
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70 _opt_mount_natural="yes"
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71 ;;
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72 P)
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73 _opt_mount_children_only="yes"
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74 ;;
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75 n|u)
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76 _opt_dry_run="yes"
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77 ;;
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78 \?|:)
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79 return 2;
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80 ;;
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81 esac
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82 done
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83 shift $((OPTIND-1))
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84 OPTIND=1
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85
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86 _dsname="${1-}"
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87 _mountpoint="${2-}"
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88
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89 if [ -z "${_dsname}" ]; then
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90 echo "ERROR: no dataset given" >&2
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91 return 2
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92 fi
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93
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94 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
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95 { echo "ERROR: root dataset does not exist" >&2; return 1; }
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96
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97 if [ -z "${_mountpoint}" ]; then
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98 if [ "${_opt_mount_natural}" = "yes" ]; then
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99 _mountpoint="${_rootds_mountpoint}"
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100 else
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101 echo "ERROR: no mountpoint given" >&2
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102 return 2
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103 fi
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104 else
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105 if [ "${_opt_mount_natural}" = "yes" ]; then
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106 echo "ERROR: Cannot have a custom mountpoint when \"-O\" is given" >&2
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107 return 2
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108 fi
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109 fi
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110
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111 # Eventually remove a trailing slash
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112 _mountpoint="${_mountpoint%/}"
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113 if [ -z "${_mountpoint}" ]; then
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114 echo "ERROR: would mount over the root filesystem" >&2
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115 return 1
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116 fi
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117
492
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diff changeset
118 if [ "${_rootds_mountpoint}" = "/" ]; then
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119 _rootds_mountpoint_prefix="/"
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120 else
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121 _rootds_mountpoint_prefix="${_rootds_mountpoint}/"
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122 fi
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123
276
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124 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" \
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125 | {
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126 while IFS=$'\t' read -r _name _mp _canmount _mounted ; do
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127 # Skip filesystems that are already mounted
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128 [ "${_mounted}" = "yes" ] && continue
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129 # Skip filesystems that must not be mounted
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130 [ "${_canmount}" = "off" ] && continue
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131 #
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132 # Mount only the children and skip the given parent dataset
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133 # if required
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134 #
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135 [ \( "${_opt_mount_children_only}" = "yes" \) -a \( "${_name}" = "${_dsname}" \) ] && continue
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136 case "${_mp}" in
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137 "none"|"legacy")
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138 # Do nothing for filesystem with unset or legacy mountpoints
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139 ;;
492
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140 "${_rootds_mountpoint}"|"${_rootds_mountpoint_prefix}"*)
276
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141 #
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142 # Handle only mountpoints that have a mountpoint below
492
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143 # or exactly at the parent datasets mountpoint
276
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144 #
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145
492
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146 #
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147 # Determine the mountpoint relative to the parent
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148 # mountpoint. Extra effort is needed because the root
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149 # filesystem mount is just a single slash.
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150 #
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151 if [ "${_mp}" = "${_rootds_mountpoint}" ]; then
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152 if [ "${_name}" != "${_dsname}" ]; then
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153 echo "ERRROR: child dataset mounts over root dataset" >&2
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154 return 1
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155 fi
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156 _relative_mp=""
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157 _real_mp="${_mountpoint}"
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diff changeset
158 else
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159 _relative_mp="${_mp#${_rootds_mountpoint_prefix}}"
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160 # Eventually remove a trailing slash
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diff changeset
161 _relative_mp="${_relative_mp%/}"
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diff changeset
162 if [ -z "${_relative_mp}" ]; then
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163 echo "ERROR: got an empty relative mountpoint in child" >&2
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164 return 1
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165 fi
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166 # The real effective full mountpoint
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167 _real_mp="${_mountpoint}/${_relative_mp}"
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168 fi
276
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169
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170 #
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171 # Consistency and sanity check: computed real mountpoint must
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172 # be equal to the configured mountpoint when no custom mountpoint
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173 # is given.
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174 #
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175 if [ "${_opt_mount_natural}" = "yes" ]; then
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176 if [ "${_real_mp}" != "${_mp}" ]; then
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177 echo "ERROR: mountpoint mismatch" >&2
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178 return 1
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179 fi
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180 fi
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181
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182 if [ "${_opt_dry_run}" = "yes" ]; then
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183 echo "Would mount ${_name} on ${_real_mp}"
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184 else
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185 mkdir -p "${_real_mp}" 1> /dev/null 2> /dev/null || \
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186 { echo "ERROR: cannot create mountpoint ${_real_mp}" >&2; return 1; }
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187 echo "Mounting ${_name} on ${_real_mp}"
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188 mount -t zfs "${_name}" "${_real_mp}" || return 1
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189 fi
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190 ;;
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diff changeset
191 *)
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diff changeset
192 if [ "${_opt_mount_outside}" = "yes" ]; then
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193 if [ "${_opt_dry_run}" = "yes" ]; then
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194 echo "Would mount ${_name} on configured ZFS dataset mountpoint ${_mp}"
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195 else
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196 echo "Mounting ${_name} on configured ZFS dataset mountpoint ${_mp}"
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197 zfs mount "${_name}" || return 1
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198 fi
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199 else
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200 echo "Skipping ${_name} because its configured ZFS mountpoint is not relative to given root dataset" 2>&1
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201 fi
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diff changeset
202 ;;
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diff changeset
203 esac
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diff changeset
204 done
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205
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206 return 0
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207 }
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208 }
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parents:
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209
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
210
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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211 #:
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212 #: Implement the "umount" command.
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213 #:
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214 #: Umount a datasets and recursively all its children datasets.
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215 #:
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diff changeset
216 command_umount() {
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diff changeset
217 local _dsname
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218
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diff changeset
219 local _name _mp _rest _rootds_mountpoint
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diff changeset
220
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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parents:
diff changeset
221 _dsname="${1-}"
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diff changeset
222 [ -z "${_dsname}" ] && { echo "ERROR: no dataset given" 1>&2; return 2; }
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223
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diff changeset
224 # Just determine whether the given dataset name exists
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225 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || { echo "ERROR: dataset not found" 1>&2; return 1; }
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diff changeset
226
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
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diff changeset
227 mount -t zfs -p \
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228 | grep -E "^${_dsname}(/|\s)" \
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parents:
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229 | sort -n -r \
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parents:
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230 | {
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parents:
diff changeset
231 while IFS=' '$'\t' read -r _name _mp _rest ; do
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diff changeset
232 echo "Umounting ${_name} on ${_mp}"
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parents:
diff changeset
233 umount "${_mp}" || return 1
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diff changeset
234 done
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parents:
diff changeset
235 }
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parents:
diff changeset
236 return 0
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parents:
diff changeset
237 }
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parents:
diff changeset
238
380
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parents: 283
diff changeset
239
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parents: 283
diff changeset
240 #:
421
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diff changeset
241 #: Implementation of "copy-tree"
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242 #:
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diff changeset
243 command_copy_tree() {
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diff changeset
244 local _ds_source _ds_target
429
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diff changeset
245 local _opt_mountpoint _opt_mount_noauto _opt_nomount _opt_keep _opt_dry_run
421
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diff changeset
246
424
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diff changeset
247 local _ds_source_base _ds_source_snapshot _snapshot_suffix
426
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diff changeset
248 local _ds_tree _ds _ds_relname _ds_canmount
428
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diff changeset
249 local _arg_canmount _arg_mp1 _arg_mp2
424
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diff changeset
250
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diff changeset
251 _opt_mountpoint=""
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diff changeset
252 _opt_mount_noauto=""
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diff changeset
253 _opt_nomount=""
429
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diff changeset
254 _opt_keep=""
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
255 _opt_dry_run=""
421
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diff changeset
256
429
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diff changeset
257 while getopts "AM:knu" _opt ; do
421
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diff changeset
258 case ${_opt} in
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diff changeset
259 A)
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diff changeset
260 _opt_mount_noauto="-o canmount=noauto"
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diff changeset
261 ;;
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diff changeset
262 M)
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diff changeset
263 _opt_mountpoint="${OPTARG}"
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diff changeset
264 ;;
429
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diff changeset
265 k)
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diff changeset
266 _opt_keep="yes"
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diff changeset
267 ;;
421
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diff changeset
268 n)
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diff changeset
269 _opt_dry_run="-n"
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diff changeset
270 ;;
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diff changeset
271 u)
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diff changeset
272 _opt_nomount="-u"
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273 ;;
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diff changeset
274 \?)
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275 return 2;
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diff changeset
276 ;;
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diff changeset
277 esac
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diff changeset
278 done
422
4363929b0a3e FIX: Typo in variable name "OPTID" -> "OPTIND"
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parents: 421
diff changeset
279 shift $((OPTIND-1))
421
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diff changeset
280 OPTIND=1
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diff changeset
281
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diff changeset
282 _ds_source="${1-}"
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diff changeset
283 _ds_target="${2-}"
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diff changeset
284
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diff changeset
285 [ -z "${_ds_source}" ] && { echo "ERROR: no source given" 1>&2; return 2; }
423
1d6ee78f06ef FIX: Another typo in variable name (COPY-PASTE)
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parents: 422
diff changeset
286 [ -z "${_ds_target}" ] && { echo "ERROR: no target name given" 1>&2; return 2; }
421
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diff changeset
287
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
288 if ! zfs get -H name "${_ds_source}" >/dev/null 2>&1; then
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diff changeset
289 echo "ERROR: source dataset does not exist: ${_ds_source}" 1>&2;
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diff changeset
290 return 1;
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diff changeset
291 fi
428
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diff changeset
292 if zfs get -H name "${_ds_target}" >/dev/null 2>&1; then
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diff changeset
293 echo "ERROR: target dataset already exists: ${_ds_target}" 1>&2;
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diff changeset
294 return 1;
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diff changeset
295 fi
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
296
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
297 _ds_source_base="${_ds_source%@*}"
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diff changeset
298 _ds_source_snapshot="${_ds_source##*@}"
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
299 _snapshot_suffix="@${_ds_source_snapshot}"
421
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diff changeset
300
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
301 if [ "${_ds_source_snapshot}" = "${_ds_source_base}" ]; then
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
302 # No snapshot given
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
303 [ "${_ds_source_base}" = "${_ds_source}" ] || { echo "ERROR:" 1>&2; return 1; }
421
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diff changeset
304 _ds_source_snapshot=""
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
305 _snapshot_suffix=""
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
306 fi
424
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
307
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
308 _ds_tree=""
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
309
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
310 while IFS=$'\n' read -r _ds; do
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
311 if [ -z "${_ds_tree}" ]; then
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
312 _ds_tree="${_ds}"
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
313 else
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
314 _ds_tree="${_ds_tree}"$'\n'"${_ds}"
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parents: 423
diff changeset
315 fi
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
316 done <<EOF20ee7ea0781414fab8c305d3875d15e
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diff changeset
317 $(zfs list -H -r -t filesystem -o name -s name "${_ds_source_base}")
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diff changeset
318 EOF20ee7ea0781414fab8c305d3875d15e
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diff changeset
319 # Check the existence of all intermediate datasets and their shapshots
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diff changeset
320 IFS=$'\n'
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diff changeset
321 for _ds in ${_ds_tree}; do
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
322 if ! zfs get -H name "${_ds}${_snapshot_suffix}" >/dev/null 2>&1; then
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
323 echo "ERROR: child dataset does not exist: ${_ds}${_snapshot_suffix}" 1>&2
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
324 return 1
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
325 fi
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
326 done
428
824e88618376 The first version of "fzfs copy-tree" completed
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diff changeset
327 IFS=$'\n'
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
328 for _ds in ${_ds_tree}; do
428
824e88618376 The first version of "fzfs copy-tree" completed
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diff changeset
329 # Reset IFS
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diff changeset
330 IFS=$' \t\n'
824e88618376 The first version of "fzfs copy-tree" completed
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diff changeset
331
424
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
332 # Determine the relative name of the dataset
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
333 _ds_relname="${_ds#${_ds_source_base}}"
426
2cd4777821fc More work on "fzfs copy-tree"
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parents: 424
diff changeset
334
2cd4777821fc More work on "fzfs copy-tree"
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diff changeset
335 _ds_canmount=$(zfs get -H -o value canmount "${_ds}")
2cd4777821fc More work on "fzfs copy-tree"
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parents: 424
diff changeset
336
2cd4777821fc More work on "fzfs copy-tree"
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diff changeset
337 if [ "${_ds_canmount}" = "off" ]; then
428
824e88618376 The first version of "fzfs copy-tree" completed
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parents: 427
diff changeset
338 _arg_canmount="-o canmount=off"
426
2cd4777821fc More work on "fzfs copy-tree"
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parents: 424
diff changeset
339 else
428
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diff changeset
340 _arg_canmount="${_opt_mount_noauto}"
426
2cd4777821fc More work on "fzfs copy-tree"
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parents: 424
diff changeset
341 fi
424
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
342
a200c18603c9 Further work on "fzfs copy-tree"
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diff changeset
343 if [ -z "${_ds_relname}" ]; then
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parents: 423
diff changeset
344 #
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diff changeset
345 # Source root to target root
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parents: 423
diff changeset
346 #
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diff changeset
347 if [ -z "${_opt_mountpoint}" ]; then
428
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diff changeset
348 _arg_mp1=-x
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diff changeset
349 _arg_mp2=mountpoint
424
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
350 else
428
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diff changeset
351 _arg_mp1=-o
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diff changeset
352 _arg_mp2="mountpoint=${_opt_mountpoint}"
424
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
353 fi
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
354 else
428
824e88618376 The first version of "fzfs copy-tree" completed
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diff changeset
355 _arg_mp1=-x
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diff changeset
356 _arg_mp2=mountpoint
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diff changeset
357 fi
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parents: 427
diff changeset
358 if [ -z "${_opt_dry_run}" ]; then
824e88618376 The first version of "fzfs copy-tree" completed
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parents: 427
diff changeset
359 zfs send -Lec -p -v "${_ds}${_snapshot_suffix}" | zfs receive -v ${_opt_nomount} ${_arg_canmount} ${_arg_mp1} "${_arg_mp2}" "${_ds_target}${_ds_relname}"
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parents: 427
diff changeset
360 else
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parents: 427
diff changeset
361 echo "Would execute: zfs send -Lec -p -v '${_ds}${_snapshot_suffix}' | zfs receive -v ${_opt_nomount} ${_arg_canmount} ${_arg_mp1} '${_arg_mp2}' '${_ds_target}${_ds_relname}'"
424
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
362 fi
428
824e88618376 The first version of "fzfs copy-tree" completed
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parents: 427
diff changeset
363 # for the loop
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diff changeset
364 IFS=$'\n'
424
a200c18603c9 Further work on "fzfs copy-tree"
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parents: 423
diff changeset
365 done
428
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diff changeset
366 # Reset to default
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diff changeset
367 IFS=$' \t\n'
429
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diff changeset
368 # Remove received snapshots by default
428
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parents: 427
diff changeset
369 if [ -n "${_ds_source_snapshot}" ]; then
429
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parents: 428
diff changeset
370 if [ -z "${_opt_keep}" ]; then
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parents: 428
diff changeset
371 if [ -z "${_opt_dry_run}" ]; then
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parents: 428
diff changeset
372 zfs destroy -rv "${_ds_target}${_snapshot_suffix}"
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parents: 428
diff changeset
373 else
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parents: 428
diff changeset
374 echo "Would execute: zfs destroy -rv '${_ds_target}${_snapshot_suffix}'"
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parents: 428
diff changeset
375 fi
428
824e88618376 The first version of "fzfs copy-tree" completed
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parents: 427
diff changeset
376 fi
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parents: 427
diff changeset
377 fi
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
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diff changeset
378 }
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parents: 408
diff changeset
379
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parents: 408
diff changeset
380
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parents: 408
diff changeset
381 #:
380
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diff changeset
382 #: Implement the "create-tree" command
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diff changeset
383 #:
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diff changeset
384 #: Create a ZFS dataset tree from a source tree tree including important properties
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diff changeset
385 #:
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diff changeset
386 command_create_tree() {
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diff changeset
387 local _source_ds _target_ds
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diff changeset
388 local _opt_dry_run _opt_mountpoint _opt_noauto _opt_nomount _opt_canmount_parent_only
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389
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390 local _opt _source_name _snapshot_name _current_name _current_type _relative_name _zfs_opts _zfs_canmount _zfs_mountpoint
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diff changeset
391
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392 _opt_noauto=""
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393 _opt_dry_run=""
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diff changeset
394 _opt_mountpoint=""
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395 _opt_nomount=""
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396 _opt_canmount_parent_only=""
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diff changeset
397
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diff changeset
398 while getopts "AM:npu" _opt ; do
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399 case ${_opt} in
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400 A)
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401 _opt_noauto="-o canmount=noauto"
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402 ;;
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403 M)
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404 _opt_mountpoint="${OPTARG}"
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405 ;;
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diff changeset
406 n)
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407 _opt_dry_run="yes"
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408 ;;
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diff changeset
409 p)
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diff changeset
410 _opt_canmount_parent_only="yes"
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411 ;;
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
412 u)
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
413 _opt_nomount="-u"
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diff changeset
414 ;;
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
415 \?|:)
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
416 return 2;
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
417 ;;
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
418 esac
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
419 done
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
420 shift $((OPTIND-1))
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
421 OPTIND=1
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diff changeset
422
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
423 _source_ds="${1-}"
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diff changeset
424 _target_ds="${2-}"
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
425
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
426 [ -z "${_source_ds}" ] && { echo "ERROR: no source dataset given" 1>&2; return 2; }
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diff changeset
427 [ -z "${_target_ds}" ] && { echo "ERROR: no destination dataset given" 1>&2; return 2; }
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
428
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
429 _source_name="${_source_ds%@*}"
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diff changeset
430 if [ "${_source_name}" != "${_source_ds}" ]; then
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diff changeset
431 _snapshot_name="${_source_ds##*@}"
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diff changeset
432 else
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diff changeset
433 _snapshot_name=""
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diff changeset
434 fi
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
435
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
436 [ -n "${_snapshot_name}" ] && { echo "ERROR: No snapshot sources are supported yet" 1>&2; return 2; }
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diff changeset
437
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
438 zfs list -H -r -t filesystem -o name,type "${_source_ds}" \
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
439 | {
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diff changeset
440 while IFS=$'\t' read -r _current_name _current_type ; do
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
441 # Determine the relative name of the dataset
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diff changeset
442 _relative_name="${_current_name#${_source_name}}"
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diff changeset
443 _relative_name="${_relative_name%@*}"
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diff changeset
444 if [ "${_current_type}" != "filesystem" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
445 echo "ERROR: Got a snapshot but expected a filesystem" 1>&2
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diff changeset
446 return 1
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diff changeset
447 fi
441
f06998866c01 Renamed local helper function
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parents: 438
diff changeset
448 _zfs_opts="$(_get_local_zfs_properties_for_create "${_current_name}" atime exec setuid compression primarycache sync readonly)"
380
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
449 if [ -z "${_relative_name}" ]; then
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diff changeset
450 #
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diff changeset
451 # Root
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diff changeset
452 #
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parents: 283
diff changeset
453 if [ -z "${_opt_noauto}" ]; then
441
f06998866c01 Renamed local helper function
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parents: 438
diff changeset
454 _zfs_canmount="$(_get_local_zfs_properties_for_create "${_current_name}" canmount)"
380
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
455 else
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diff changeset
456 _zfs_canmount="${_opt_noauto}"
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diff changeset
457 fi
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parents: 283
diff changeset
458 if [ -n "${_opt_mountpoint}" ]; then
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diff changeset
459 _zfs_mountpoint="${_opt_mountpoint}"
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diff changeset
460 else
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diff changeset
461 _zfs_mountpoint=""
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diff changeset
462 fi
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
463
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
464 if [ "${_opt_dry_run}" = "yes" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
465 if [ -z "${_zfs_mountpoint}" ]; then
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parents: 283
diff changeset
466 echo "Would call: zfs create ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} ${_target_ds}${_relative_name}"
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diff changeset
467 else
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diff changeset
468 echo "Would call: zfs create ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} -o mountpoint=${_zfs_mountpoint} ${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
469 fi
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
470 else
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parents: 283
diff changeset
471 if [ -z "${_zfs_mountpoint}" ]; then
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diff changeset
472 zfs create -v ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} "${_target_ds}${_relative_name}"
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diff changeset
473 else
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diff changeset
474 zfs create -v ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} -o "mountpoint=${_zfs_mountpoint}" "${_target_ds}${_relative_name}"
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diff changeset
475 fi
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
476 fi
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
477 else
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diff changeset
478 #
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diff changeset
479 # Children
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
480 #
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parents: 283
diff changeset
481 if [ -z "${_opt_noauto}" ]; then
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parents: 283
diff changeset
482 if [ "${_opt_canmount_parent_only}" = "yes" ]; then
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diff changeset
483 _zfs_canmount=""
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diff changeset
484 else
441
f06998866c01 Renamed local helper function
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parents: 438
diff changeset
485 _zfs_canmount="$(_get_local_zfs_properties_for_create "${_current_name}" canmount)"
380
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
486 fi
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
487 else
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
488 _zfs_canmount="${_opt_noauto}"
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diff changeset
489 fi
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diff changeset
490 if [ "${_opt_dry_run}" = "yes" ]; then
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
491 echo "Would call: zfs create ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} ${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
492 else
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diff changeset
493 zfs create -v ${_opt_nomount} ${_zfs_opts} ${_zfs_canmount} "${_target_ds}${_relative_name}"
6be930eb7490 Implement the "fzfs create-tree" command
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diff changeset
494 fi
6be930eb7490 Implement the "fzfs create-tree" command
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parents: 283
diff changeset
495 fi
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
496 done
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
497 }
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
498 return 0
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
499 }
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
500
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
501
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
502 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
503 # Global option handling
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
504 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
505 while getopts "Vh" _opt ; do
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
506 case ${_opt} in
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
507 V)
408
bb0a0384b5da FIX: Program name in fzfs's version string
Franz Glasner <f.glasner@feldmann-mg.com>
parents: 386
diff changeset
508 printf 'fzfs %s\n' '@@SIMPLEVERSIONSTR@@'
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
509 exit 0
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
510 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
511 h)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
512 echo "${USAGE}"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
513 exit 0
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
514 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
515 \?)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
516 exit 2;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
517 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
518 *)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
519 echo "ERROR: option handling failed" 1>&2
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
520 exit 2
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
521 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
522 esac
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
523 done
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
524 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
525 # Reset the Shell's option handling system to prepare for handling
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
526 # command-local options.
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
527 #
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
528 shift $((OPTIND-1))
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
529 OPTIND=1
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
530
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
531 test $# -gt 0 || { echo "ERROR: no command given" 1>&2; exit 2; }
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
532
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
533 command="$1"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
534 shift
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
535
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
536 case "${command}" in
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
537 mount)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
538 command_mount "$@"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
539 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
540 umount|unmount)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
541 command_umount "$@"
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
542 ;;
421
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
543 copy-tree)
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
544 command_copy_tree "$@"
a571a30bcf8a Begin the implementation of "fzfs copy-tree"
Franz Glasner <hg@dom66.de>
parents: 408
diff changeset
545 ;;
380
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
546 create-tree)
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
547 command_create_tree "$@"
6be930eb7490 Implement the "fzfs create-tree" command
Franz Glasner <fzglas.hg@dom66.de>
parents: 283
diff changeset
548 ;;
276
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
549 *)
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
550 echo "ERROR: unknown command \`${command}'" 1>&2
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
551 exit 2
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
552 ;;
3c24b07240f2 Move the implementation of "mount" and "umount" into the new tool fzfs.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
553 esac