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<H1>[Mageia-dev] [patch] use urpmi without root privileges to just download packages</H1>
<B>Thierry Vignaud</B>
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TITLE="[Mageia-dev] [patch] use urpmi without root privileges to just download packages">thierry.vignaud at gmail.com
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<I>Mon Oct 29 16:00:09 CET 2012</I>
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<PRE>On 29 October 2012 13:03, Guillaume Rousse <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">guillomovitch at gmail.com</A>> wrote:
><i> I'm trying to port febootstrap to mageia (I need libguestfs, and it's a
</I>><i> mandatory dependency). I need to be able to resolve dependencies and
</I>><i> download packages, without root privileges. I see two solutions here:
</I>><i>
</I>><i> 1) use 'urpmq --requires-recursive --sources' first to get the list of
</I>><i> packages, then check against already installed packages, then use another
</I>><i> tool (curl, wget, whatever) to download the missing ones.
</I>
Which would mean reinventing urpmi logic for computing full URIs :-(
><i> 2) modify urpmi to allow it to be used without root privileges to just
</I>><i> download files.
</I>><i>
</I>><i> I'm currently trying to achieve solution 2. The attached patch relax the
</I>><i> process uid check when --no-install option is used, provided an explicit
</I>><i> download directory is used, through --download-all option. However, I'm
</I>><i> facing multiple issues here:
</I>><i>
</I>><i> - first, --download-all doesn't just change download-directory, its main
</I>><i> effect is to change urpmi behaviour from interleaved download/install steps
</I>><i> to download everything first. It doesn't matter very much here, but distinct
</I>><i> --download-all and --download-dir options would have been a clearer
</I>><i> interface.
</I>><i>
</I>><i> - second, --noclean seems to be useless when using something an alternative
</I>><i> download directory
</I>><i>
</I>><i> - last, the default downloader (aria, I presume) doesn't specify which files
</I>><i> it is currently downloading, meaning I'll have to post-process download
</I>><i> directory to retrieve the list of packages, whereas I'd prefered to just
</I>><i> parse urpmi output. I had to use --downloader wget to get a more verbose
</I>><i> output.
</I>><i>
</I>><i> urpmi maintainer(s) opinion welcome here.
</I>
This is not the right approach.
What's more the download-all packages only affect downloading packages before
transactions, and is restricted to urpm::main_loop.
I would just add a download-dir option the attached patch way (untested),
and not warn if no-install is used (second (untested) patch).
Together with --no-install, it's what you want.
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