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To: Ulrich Mueller <ulm@g.o>
From: Ciaran McCreesh <ciaran.mccreesh@...>
Subject: Re: *.tar.lzma is not mentioned
Date: Mon, 29 Jun 2009 19:09:41 +0100
On Sat, 27 Jun 2009 23:33:33 +0200
Ulrich Mueller <ulm@g.o> wrote:
> PMS doesn't mention lzma-compressed tar files, but Portage (and also
> Paludis, as far as I can see) can unpack them.
> And I think calling simple *.lzma and *.xz files "archives" is
> misleading. They are just single compressed files like *.gz or *.bz2.
> Patch is attached.

Applied, thanks (I tweaked the indenting slightly).

> We could also think about reordering the list of extensions. Currently
> it's not very systematic.

Right. I think the order's how things used to be in Portage back when
we made the list. It'd probably look nicer as a table, something like:

    Extension     EAPIs          Must have installed
                  1 2 3
    .tar.gz       y y y          GNU tar, GNU gzip
    .tar.lzma         y          LZMA Utils

That's an 'easy' exercise for someone who feels like being helpful...

Incidentally, one of the things I was hoping to get in for EAPI 4 was a
fix for the arbitrary and weird dependencies required for unpacking. I
think we briefly discussed doing something like making the package
manager have 'magic' packages, so you'd do:


to tell the package manager to depend upon whatever it really uses to
unzip things. I don't recall whether this was feasible from a Portage
perspective though.

Ciaran McCreesh
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*.tar.lzma is not mentioned
-- Ulrich Mueller
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