From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753213AbYIHIfa (ORCPT ); Mon, 8 Sep 2008 04:35:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751962AbYIHIfU (ORCPT ); Mon, 8 Sep 2008 04:35:20 -0400 Received: from terminus.zytor.com ([198.137.202.10]:37827 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751821AbYIHIfU (ORCPT ); Mon, 8 Sep 2008 04:35:20 -0400 Message-ID: <48C4E3B4.80506@zytor.com> Date: Mon, 08 Sep 2008 01:35:00 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Rob Landley CC: Alain Knaff , Leon Woestenberg , torvalds@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] init: bzip2 or lzma -compressed kernels and initrds References: <200809062119.m86LJ5Of026101@hitchhiker.org.lu> <48C30B4D.7030700@knaff.lu> <200809070117.56503.rob@landley.net> In-Reply-To: <200809070117.56503.rob@landley.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rob Landley wrote: > > Actually, from what I've seen the main reason lzma doesn't get used for > tarballs a lot is that whoever originally created it didn't include a > fingerprint. You can go "file tar.gz" or "file tar.bz2" and it can figure > out by looking at the contents of the file what it _is_, but last I checked > there's no obvious way to tell an lzma file from the output of /dev/urandom. > This causes all sorts of small but annoying problems, and discourages its use > a bit... > Both 7zip and LZMA-Utils have serious file format problems. The author of LZMA-Utils is working on a new format, which is likely to be widely adopted once it materializes. -hpa