RFC: Method for packaging game data (was Re: Non-commercial redistributable game data)

[Ryan Rix]

On Sun 23 May 2010 5:06:27 am Jonathan Dieter wrote:
> I've been looking at uqm today to see how we could do this.  I did come
> up with one method that does work (at least in Fedora 13), though it
> will be a bit of a pain for autodownloader.  For uqm, it looks something
> like this:
> 
> uqm is in Fedora
> autodownloader is in Fedora
> uqm-content is in RPM Fusion
> 
> Remove Requires: autodownloader from uqm
> Add Requires: uqm(data) to uqm
> Add Provides: uqm(data) to autodownloader
> Add Provides: uqm(data) to uqm-content
> 
> When installing uqm, if RPM Fusion isn't enabled, autodownloader gets
> downloaded and installed, and then the game data gets downloaded the
> first time uqm is run.  If RPM Fusion is enabled, yum will prefer
> uqm-content, which mean uqm will run the first time without needing to
> download anything.
> 
> This should consistently work because, in the newer yum versions, one of
> the tests for choosing which package to install as a dependency is to
> compare how many letters match (i.e. uqm and uqm-content both start with
> uqm, while autodownloader doesn't, so uqm-content would be preferred
> over autodownloader).
> 
> Do note that there are no conflicts between autodownloader and
> uqm-content, so there's no problem if someone installs the game without
> RPM Fusion, thus getting autodownloader, and then enables RPM Fusion and
> installs uqm-content.  The game would proceed to use the content from
> uqm-content rather than try to download it with autodownloader.
> 
> The drawback of this method is that, for each game, a new version of
> autodownloader will have to be pushed with updated Provides *before* we
> can put the game data in RPM Fusion.
> 
> Thoughts? Comments? Stones to throw at me? :)
> 
> Jonathan

How does all of this work after autodownloader is already pulled in? If I 
install uqm without rpmfusion enabled, autodownloader would be installed. 
Afterwards, I enabled rpmfusion, and install urban-terror, wouldn't 
autodownloader already Provides urban-terror(data) even though rpmfusion is 
enabled?

Ryan

-- 
Ryan Rix
== http://hackersramblings.wordpress.com | http://rix.si/ ==
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