chrome/test/data/safe_browsing/dmg/make_hfs.sh

   1 #!/bin/sh
   2
   3 # Copyright 2015 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 # This script is used to generate an HFS file system with several types of
   8 # files of different sizes.
   9
  10 set -e
  11
  12 FILESYSTEM_TYPE="$1"
  13 RAMDISK_SIZE="$2"
  14 OUT_FILE="$3"
  15
  16 VOLUME_NAME="SafeBrowsingDMG"
  17 UNICODE_FILENAME="Tĕsẗ 🐐 "
  18
  19 if [[ ! $FILESYSTEM_TYPE ]]; then
  20   echo "Need to specify a filesystem type. See \`diskutil listfilesystems'."
  21   exit 1
  22 fi
  23
  24 if [[ ! $RAMDISK_SIZE ]]; then
  25   echo "Need to specify a volume size in bytes."
  26   exit 1
  27 fi
  28
  29 if [[ ! $OUT_FILE ]]; then
  30   echo "Need to specify a destination filename."
  31   exit 1
  32 fi
  33
  34 RAMDISK_VOLUME=$(hdiutil attach -nomount ram://$RAMDISK_SIZE)
  35 diskutil erasevolume "${FILESYSTEM_TYPE}" "${VOLUME_NAME}" ${RAMDISK_VOLUME}
  36
  37 pushd "/Volumes/${VOLUME_NAME}"
  38
  39 touch .metadata_never_index
  40
  41 mkdir -p first/second/third/fourth/fifth
  42
  43 pushd first
  44 pushd second
  45 pushd third
  46 pushd fourth
  47 pushd fifth
  48
  49 dd if=/dev/random of=random bs=1 count=768
  50
  51 popd   # fourth
  52
  53 touch "Hello World"
  54 touch "hEllo wOrld"  # No-op on case-insensitive filesystem.
  55
  56 popd  # third
  57
  58 ln -s fourth/fifth/random symlink-random
  59
  60 popd  # second
  61
  62 echo "Poop" > "${UNICODE_FILENAME}"
  63 ditto --hfsCompression "${UNICODE_FILENAME}" goat-output.txt
  64
  65 popd  # first
  66
  67 ln "second/${UNICODE_FILENAME}" unicode_name
  68
  69 popd  # volume root
  70
  71 echo "This is a test HFS+ filesystem generated by" \
  72     "chrome/test/data/safe_browsing/dmg/make_hfs.sh." > README.txt
  73
  74 popd  # Original PWD
  75
  76 # Unmount the volume, copy the raw device to a file, and then destroy it.
  77 diskutil unmount ${RAMDISK_VOLUME}
  78 dd if=${RAMDISK_VOLUME} of="${OUT_FILE}"
  79 diskutil eject ${RAMDISK_VOLUME}