[Mageia-dev] [patch] use urpmi without root privileges to just download packages

Mon Oct 29 16:00:09 CET 2012

On 29 October 2012 13:03, Guillaume Rousse <guillomovitch at gmail.com> wrote:
+> I'm trying to port febootstrap to mageia (I need libguestfs, and it's a
+> mandatory dependency). I need to be able to resolve dependencies and
+> download packages, without root privileges. I see two solutions here:
+>
+> 1) use 'urpmq --requires-recursive --sources' first to get the list of
+> packages, then check against already installed packages, then use another
+> tool (curl, wget, whatever) to download the missing ones.
+
+Which would mean reinventing urpmi logic for computing full URIs :-(
+
+> 2) modify urpmi to allow it to be used without root privileges to just
+> download files.
+>
+> I'm currently trying to achieve solution 2. The attached patch relax the
+> process uid check when --no-install option is used, provided an explicit
+> download directory is used, through --download-all option. However, I'm
+> facing multiple issues here:
+>
+> - first, --download-all doesn't just change download-directory, its main
+> effect is to change urpmi behaviour from interleaved download/install steps
+> to download everything first. It doesn't matter very much here, but distinct
+> --download-all and --download-dir options would have been a clearer
+> interface.
+>
+> - second, --noclean seems to be useless when using something an alternative
+> download directory
+>
+> - last, the default downloader (aria, I presume) doesn't specify which files
+> it is currently downloading, meaning I'll have to post-process download
+> directory to retrieve the list of packages, whereas I'd prefered to just
+> parse urpmi output. I had to use --downloader wget to get a more verbose
+> output.
+>
+> urpmi maintainer(s) opinion welcome here.
+
+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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