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@phiresky
Forked from vjt/copy-from-time-machine.sh
Last active January 1, 2016 18:19
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Copy data from a Time Machine volume mounted on a Linux box. made compatible with non-english system languages
#!/bin/bash
#
# Copy data from a Time Machine volume mounted on a Linux box.
#
# Usage: copy-from-time-machine.sh <source> <target>
#
# source: the source directory inside a time machine backup
# target: the target directory in which to copy the reconstructed
# directory trees. Created if it does not exists.
#
# Details:
#
# Time machine implements directory hard links by creating an
# empty file in place of the directory and storing in its
# "number of hard links" metadata attribute a pointer to a
# real directory in "/.HFS Private directory data^M" named
# "dir_$number".
#
# This script reconstructs a plain directory tree from this
# really ugly apple hack. Tested on a 650GB backup from OSX
# 10.6 mounted on a Linux 3.2.0-38 Ubuntu box. YMMV.
#
# MIT License.
#
# - vjt@openssl.it
#
export LANG=C # needed for matching stat output
self="$0"
source="$1"
target="$2"
hfsd="$3"
set -e
if [ -z "$source" -o -z "$target" ]; then
echo "Usage: $self <source> <target>"
exit -1
fi
if [ ! -d "$target" ]; then
mkdir -p "$target"
fi
if [ -z "$hfsd" ]; then
# Look for HFS Private directory data
sysname="$(echo -ne '.HFS+ Private Directory Data\r')"
hfsd=$source
while [ "$hfsd" != "/" -a ! -d "$hfsd/$sysname" ]; do
hfsd=`dirname "$hfsd"`;
done
if [ "$hfsd" = '/' ]; then
echo "HFS Private Directory Data not found in $source, is it an HFS filesystem?"
exit -2
else
echo "HFS Private Directory Data found in '$hfsd'"
hfsd="$hfsd/$sysname"
fi
fi
find "$source" -mindepth 1 -maxdepth 1 -and -not -name . -and -not -name .. | while read entry; do
dest="$target/`basename "$entry"`"
read hlnum type <<<$(stat -c '%h %F' "$entry")
case $type in
'regular file'|'symbolic link')
cp -van "$entry" "$dest"
;;
'directory')
# Recurse
$self "$entry" "$dest" "$hfsd"
;;
'regular empty file')
if [ -d "$hfsd/dir_$hlnum" ]; then
# Recurse
$self "$hfsd/dir_$hlnum" "$dest" "$hfsd"
else
echo "Skipping empty file $entry"
fi
;;
esac
done
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