[Fontconfig] conf.avail, rpmlint and the FHS

[Nicolas Mailhot]

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Le dimanche 26 octobre 2008 à 21:30 +0100, Nicolas Mailhot a écrit :
> Hi all,
> 
> When conf.avail was introduced in fontconfig we at Fedora mostly ignored
> it and let font packages install their fontconfig rules directly in
> conf.d
> http://fedoraproject.org/wiki/Packaging/FontsSpecTemplate
> (the exception being the fontconfig package itself who perforce followed
> the new conventions).
> 
> Recent events made me revisit this point and try to heal the rift
> between fontconfig and font packages by following common conventions.
> http://fedoraproject.org/wiki/PackagingDrafts/Fonts_spec_template_correction_(fontconfig)
> 
> In the course of the examination of this guideline change proposal,
> however, it was identified that conf.avail as currently designed causes
> our rpmlint package sanity check tool to emit errors. Those errors were
> ok for Behdad to ignore, but really not ok for general packaging
> guidelines we want to put into newbie packager hands.
> 
> The core reason are that since we deploy policy through those fontconfig
> files, we absolutely do not want users to change them (they're free to
> un-reference the files in conf.d, or write their own fontconfig rules in
> different files, but we instruct rpm to stomp on old versions of our
> files on updates). Since we mark those files as non-modifiable (%config
> and not %config(noreplace) in rpm speak) rpmlint considers them as data,
> not configuration, and complains of their location under /etc.
> 
> After thinking a bit about it I feel rpmlint is right — since we don't
> let users modify our fontconfig files they're not dynamic configuration,
> just static data users can choose to activate or not.
> 
> We could of course add an exception in rpmlint just for conf.avail, but
> I'd rather have fontconfig be fixed to follow more closely the FHS.
> Exceptions ultimately pile on till you have a lot of cruft to clean up
> which is not my definition of fun.
> 
> Can conf.avail and its contents be moved in /usr/share/something in the
> next version of fontconfig?
> 
> See also:
> http://fedoraproject.org/wiki/Packaging/Minutes/20081021
> 
> Regards,
> 
-- 
Nicolas Mailhot
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