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From: Baptiste Daroussin <bapt@FreeBSD.org>
To: Jun T <takimoto-j@kba.biglobe.ne.jp>
Cc: zsh-workers@zsh.org, Eitan Adler <lists@eitanadler.com>
Subject: Re: Teach 'tar' to support more file types
Date: Thu, 5 Apr 2018 07:41:39 +0200	[thread overview]
Message-ID: <20180405054139.m5qtevhittzefuak@ivaldir.net> (raw)
In-Reply-To: <7060C6C4-6721-4878-B8BC-224346633816@kba.biglobe.ne.jp>

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On Thu, Apr 05, 2018 at 12:55:21PM +0900, Jun T wrote:
> 
> > 2018/04/02 7:10, Eitan Adler <lists@eitanadler.com> wrote:
> > 
> >    In libarchive based (BSD) tar implementations, all file types can be
> >    uncompressed, even without a filetype letter.  In GNU tar's case
> >    "recent" versions (for over 10 years) can do the same.
> >    As such, remove the check for tar type and just assume it works.
> 
> We can't assume it works since there are many systems where tar requires
> explicit compression flags. Even on some BSDs (OpenBSD and NetBSD) tar
> is not based on libarchive.
> 
> If the tar command is based on libarchive, we can detect it by using
> 'tar --version'.
> 
bsdtar 3.3.2 - libarchive 3.3.2 zlib/1.2.11 liblzma/5.2.3 bz2lib/1.0.6

yes :)

Bapt

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  reply	other threads:[~2018-04-05  5:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-01 22:10 Eitan Adler
2018-04-05  3:55 ` Jun T
2018-04-05  5:41   ` Baptiste Daroussin [this message]
2018-04-06  6:53   ` Eitan Adler

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