blob: df08184584fc5cacaca9752b7a50ac3b85ccf1fc [file] [log] [blame]
#!/bin/sh
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This script is used to generate an HFS file system with several types of
# files of different sizes.
set -e
FILESYSTEM_TYPE="$1"
RAMDISK_SIZE="$2"
OUT_FILE="$3"
VOLUME_NAME="SafeBrowsingDMG"
UNICODE_FILENAME="Tĕsẗ 🐐 "
if [[ ! $FILESYSTEM_TYPE ]]; then
echo "Need to specify a filesystem type. See \`diskutil listfilesystems'."
exit 1
fi
if [[ ! $RAMDISK_SIZE ]]; then
echo "Need to specify a volume size in bytes."
exit 1
fi
if [[ ! $OUT_FILE ]]; then
echo "Need to specify a destination filename."
exit 1
fi
RAMDISK_VOLUME=$(hdiutil attach -nomount ram://$RAMDISK_SIZE)
diskutil erasevolume "${FILESYSTEM_TYPE}" "${VOLUME_NAME}" ${RAMDISK_VOLUME}
pushd "/Volumes/${VOLUME_NAME}"
touch .metadata_never_index
mkdir -p first/second/third/fourth/fifth
pushd first
pushd second
pushd third
pushd fourth
pushd fifth
dd if=/dev/random of=random bs=1 count=768
popd # fourth
touch "Hello World"
touch "hEllo wOrld" # No-op on case-insensitive filesystem.
popd # third
ln -s fourth/fifth/random symlink-random
popd # second
echo "Poop" > "${UNICODE_FILENAME}"
ditto --hfsCompression "${UNICODE_FILENAME}" goat-output.txt
popd # first
ln "second/${UNICODE_FILENAME}" unicode_name
popd # volume root
echo "This is a test HFS+ filesystem generated by" \
"chrome/test/data/safe_browsing/dmg/make_hfs.sh." > README.txt
popd # Original PWD
# Unmount the volume, copy the raw device to a file, and then destroy it.
diskutil unmount ${RAMDISK_VOLUME}
dd if=${RAMDISK_VOLUME} of="${OUT_FILE}"
diskutil eject ${RAMDISK_VOLUME}