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List:       rpmorg-list
Subject:    Re: dependecy checking without install
From:       Hal Wine <hal () reactivity ! com>
Date:       2005-01-04 18:15:04
Message-ID: 41DADD28.6000304 () reactivity ! com
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Ralf Lehmann wrote, around 01/04/2005 09:21 AM:
> No only "rpm -qp" command reads only the header all other commands download the package first.
> so i must find a way do use the output from "rpm -qpR"
> to generate a new "local" rpm query to check if the requirements are fulfilled

Well, one way would be to use rpmrebuild (rpmrebuild.sf.net).
<uglyHack>
You could have a local dummy package (maybe just one file), pass that to 
RPM rebuild specifying the filter option (which lets you edit the spec 
file on the fly). Insert the requirements from your 'rpm -qpR' command 
into that spec file, and then try to install the resulting RPM. (If the 
rpm won't even build, then you also know it won't install)
</uglyHack>

Of course, if you're trying to do this with a series of packages, where 
one might require something provided by a prior one, you'll have even 
more fun to deal with. You might want to try parsing the output of
  rpm -qp --qf '[%{*:xml}]'
if you have a new enough version of RPM. That will give you the provides 
info as well to add to the spec.

Good luck!
--Hal

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