def extract_entry(destdir, entry, expected_md5sum = nil)
if entry.is_directory?
dest = File.join(destdir, entry.full_name)
if file_class.dir? dest
@fileops.chmod entry.mode, dest, :verbose=>false
else
@fileops.mkdir_p(dest, :mode => entry.mode, :verbose=>false)
end
fsync_dir dest
fsync_dir File.join(dest, "..")
return
end
md5 = Digest::MD5.new if expected_md5sum
destdir = File.join(destdir, File.dirname(entry.full_name))
@fileops.mkdir_p(destdir, :mode => 0755, :verbose=>false)
destfile = File.join(destdir, File.basename(entry.full_name))
@fileops.chmod(0600, destfile, :verbose=>false) rescue nil
file_class.open(destfile, "wb", entry.mode) do |os|
loop do
data = entry.read(4096)
break unless data
md5 << data if expected_md5sum
os.write(data)
end
os.fsync
end
@fileops.chmod(entry.mode, destfile, :verbose=>false)
fsync_dir File.dirname(destfile)
fsync_dir File.join(File.dirname(destfile), "..")
if expected_md5sum && expected_md5sum != md5.hexdigest
raise BadCheckSum
end
end