From: Simon Tournier <zimon.toutoune@gmail.com>
To: Timothy Sample <samplet@ngyro.com>
Cc: Guix Devel <guix-devel@gnu.org>
Subject: Re: disarchive: disassemble then assemble tarball
Date: Mon, 03 Apr 2023 23:08:47 +0200 [thread overview]
Message-ID: <86v8icy8ps.fsf@gmail.com> (raw)
In-Reply-To: <871ql0zpka.fsf@ngyro.com>
Hi,
On Mon, 03 Apr 2023 at 14:19, Timothy Sample <samplet@ngyro.com> wrote:
> The ‘assemble-tarball’ procedure assumes (without checking) that it has
> access to a copy of its input in the “workspace” directory. Normally,
> it would be called from the generic ‘assemble’ procedure, which ensures
> this (and also checks the output). It probably just wrote all the
> tarball headers without the file contents, producing a corrupt tarball.
> Indeed, if you set up logging (using ‘%disarchive-log-port’) it prints a
> bunch of “Ignoring irregular file” warnings.
Ok, but I was expecting a kind of identity when composing
’disassemble-tarball’ and ’assemble-tarball’. And even, that the
identity properties of assembling some disassembling would be some
tests. :-)
>> Well, I am not sure to understand why the name “my-gnu”.
>
> It’s just ‘(basename "my-gnu.tar" ".tar")’. The names are designed to
> aid a human while debugging. To my knowledge, Disarchive doesn’t use
> them for anything. You can use set the name by passing “--name” to the
> ‘disassemble’ subcommand.
Thanks for explaining.
> In other words, it’s your old nemesis:
>
> https://lists.gnu.org/archive/html/guix-devel/2023-03/msg00063.html
>
> :) (I tease only because it’s confused me many times too!)
Arf, probably because the behaviour appears to me unexpected. :-)
Well, maybe some convention with trailing / would be helpful, as with
’rsync’.
Cheers,
simon
prev parent reply other threads:[~2023-04-03 21:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 14:58 disarchive: disassemble then assemble tarball Simon Tournier
2023-04-03 20:19 ` Timothy Sample
2023-04-03 21:08 ` Simon Tournier [this message]
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