tools/update-verify/release/common/unpack-diskimage.sh

   1 #!/bin/bash
   2 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3 #
   4 # The contents of this file are subject to the Mozilla Public License Version
   5 # 1.1 (the "License"); you may not use this file except in compliance with
   6 # the License. You may obtain a copy of the License at
   7 # http://www.mozilla.org/MPL/
   8 #
   9 # Software distributed under the License is distributed on an "AS IS" basis,
  10 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11 # for the specific language governing rights and limitations under the
  12 # License.
  13 #
  14 # The Original Code is the installdmg.sh script from taols utilities
  15 #
  16 # The Initial Developer of the Original Code is
  17 # Mozilla Corporation.
  18 # Portions created by the Initial Developer are Copyright (C) 2009
  19 # the Initial Developer. All Rights Reserved.
  20 #
  21 # Contributor(s):
  22 #  Chris AtLee <catlee@mozilla.com>
  23 #  Robert Kaiser <kairo@kairo.at>
  24 #
  25 # Alternatively, the contents of this file may be used under the terms of
  26 # either the GNU General Public License Version 2 or later (the "GPL"), or
  27 # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28 # in which case the provisions of the GPL or the LGPL are applicable instead
  29 # of those above. If you wish to allow use of your version of this file only
  30 # under the terms of either the GPL or the LGPL, and not to allow others to
  31 # use your version of this file under the terms of the MPL, indicate your
  32 # decision by deleting the provisions above and replace them with the notice
  33 # and other provisions required by the GPL or the LGPL. If you do not delete
  34 # the provisions above, a recipient may use your version of this file under
  35 # the terms of any one of the MPL, the GPL or the LGPL.
  36 #
  37
  38 # Unpack a disk image to a specified target folder
  39 #
  40 # Usage: unpack-diskimage <image_file>
  41 #                         <mountpoint>
  42 #                         <target_path>
  43
  44 DMG_PATH=$1
  45 MOUNTPOINT=$2
  46 TARGETPATH=$3
  47 LOGFILE=unpack.output
  48
  49 # How long to wait before giving up waiting for the mount to fininsh
  50 TIMEOUT=90
  51
  52 # If the mount point already exists, then the previous run may not have cleaned
  53 # up properly.  We should try to umount and remove the its directory.
  54 if [ -d "$MOUNTPOINT" ]; then
  55     echo "$MOUNTPOINT already exists, trying to clean up"
  56     hdiutil detach "$MOUNTPOINT" -force
  57     rm -rdfv "$MOUNTPOINT"
  58 fi
  59
  60 # Install an on-exit handler that will unmount and remove the '$MOUNTPOINT' directory
  61 trap '{ if [ -d $MOUNTPOINT ]; then hdiutil detach $MOUNTPOINT -force; rm -rdfv $MOUNTPOINT; fi; }' EXIT
  62
  63 mkdir -p "$MOUNTPOINT"
  64
  65 hdiutil attach -verbose -noautoopen -mountpoint "$MOUNTPOINT" "$DMG_PATH" &> $LOGFILE
  66 # Wait for files to show up
  67 # hdiutil uses a helper process, diskimages-helper, which isn't always done its
  68 # work by the time hdiutil exits.  So we wait until something shows up in the
  69 # mount point directory.
  70 i=0
  71 while [ "$(echo "$MOUNTPOINT"/*)" == "$MOUNTPOINT/*" ]; do
  72     if [ "$i" -gt $TIMEOUT ]; then
  73         echo "No files found, exiting"
  74         exit 1
  75     fi
  76     sleep 1
  77     i=$((i+1))
  78 done
  79 # Now we can copy everything out of the $MOUNTPOINT directory into the target directory
  80 rsync -av "$MOUNTPOINT"/* "$MOUNTPOINT"/.DS_Store "$MOUNTPOINT"/.background "$MOUNTPOINT"/.VolumeIcon.icns "$TARGETPATH"/ > $LOGFILE
  81 # sometimes hdiutil fails with "Resource busy"
  82 hdiutil detach "$MOUNTPOINT" || { sleep  10; \
  83     if [ -d "$MOUNTPOINT" ]; then hdiutil detach "$MOUNTPOINT" -force; fi; }
  84 i=0
  85 while [ "$(echo "$MOUNTPOINT"/*)" != "$MOUNTPOINT/*" ]; do
  86     if [ "$i" -gt $TIMEOUT ]; then
  87         echo "Cannot umount, exiting"
  88         exit 1
  89     fi
  90     sleep 1
  91     i=$((i+1))
  92 done
  93 rm -rdf "$MOUNTPOINT"