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From Marcel Offermans <marcel.offerm...@luminis.nl>
Subject Re: Fragment support
Date Sun, 03 May 2009 16:17:19 GMT
On May 3, 2009, at 18:13 , Richard S. Hall wrote:

> On 5/3/09 11:58 AM, Marcel Offermans wrote:
>> So what if there was a bundle that actually exported:
>> foo;version=1.0.0 and foo;version=2.0.0. One could argue that this
>> would allow this bundle to be wired to the one above, which needs
>> version 1 and 2, both of which are exported by the same bundle.
>>
>> Now I fully agree this is a very theoretical example, I can't find  
>> any
>> real world use for it, just curious. :)
>
> Yes, that sounds pretty funny and in this case it is a loophole, so  
> you
> are right. But the only reason it will work in practice is because  
> there
> is actually only one set of byte code that is being used for both. The
> exporting bundle in question is masquerading as both, but it is really
> only one or the other.

Effectively, version 1.0.0 is exactly equal to 2.0.0 in this case, so  
there really should not be two versions in the first place.

> So, in the future if we loosen how we detect conflicts, depending on  
> how
> far we go, we could end up allowing such situations. Essentially, you
> would need to resolve all dependencies for the host and fragments and
> then look for shared candidates for conflicting dependencies.

Yes, in theory we could go this far. However, I would say we need  
examples that make more sense to move this up the priority list.

Greetings, Marcel


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