[squeak-dev] Trunk update continuity restored

Levente Uzonyi leves at elte.hu
Thu Mar 17 17:49:58 UTC 2011


On Wed, 16 Mar 2011, Chris Muller wrote:

>> But the update process is still broken. If you update your image and there's
>> a new configuration map defined, then packages newer than those defined in
>> the last configuration map are not loaded. You have to update your image
>> again to make that happen.
>
> Dang it.  After an entire day of working on it, I managed to get this fixed.
>
> However, there is, once again, no way out of a manual intervention.
> Here's what's happening:
>
> MCConfigurations package sends #versionFromFileNamed: to a
> MCRepository (in the Monticello package).  This is a method that must
> eventually be removed.
>
> However, it does this *inside the loop* at the bottom of MCMcmUpdater
> class>>#updateFromRepositories:, so the call to that is on the stack
> for the entire update process.  How, then, would it be possible to
> load a package which includes the removal of that method without
> disrupting the update process?
>
> I've put, like, 100 hours total into this MC upgrade, and the code is
> way better than it was.  But because this is part of our update
> process itself, there is a hiccup in our update.  You have to *Reject*
> the changes when the Merge browser is presented so that THAT update
> process can finish out..  After that, it's fine.

Is it possible to upload a new version that contains the merge and use 
that in the configuration maps?

>
> This "problem" will be in "oblivion" in 6 months..  Anyone who cares
> enough about to see if there is a way to get around this is more than
> welcome.  I've put as much time as I can into it.

Thanks for your time and the fixes. I know how frustrating it is when 
you've something that's ready, but doesn't integrate easily.

>
>> Also the mcd files don't appear in the package cache (like
>> Tests-cmm.177(nice.155).mcd), but full mczs do, which shouldn't, like
>> Tests-cmm.177.mcz.
>
> I didn't get to this one.  I'm so behind now, I'll have to look at
> this in a few days.  mcd's are just an optimization for FileBased
> repositories which cannot support a fully-canonicalized model; things
> appear to at least be working for now.

Yes, it's just and optimization which saves bandwidth and processing time 
on both client and server side.


Levente

>
> - Chris
>
>
>>
>>
>> Levente
>>
>>>
>>> - Chris
>>>
>>>
>>
>>
>



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