[oe] SRCPV migration - How SRCPV works!

[Koen Kooi]

On 23-11-09 14:52, Otavio Salvador wrote:
> Hello,
>
> On Mon, Nov 23, 2009 at 11:31 AM, Koen Kooi<k.kooi at student.utwente.nl>  wrote:
>> On 23-11-09 13:15, Richard Purdie wrote:
>>
>>> As I understand it you'll lock locking down the local build revisions
>>> with Angstrom anyway?
>>
>> Dunno about that, ideally the SRCPV merge should have no impact at all on
>> existing distros, but it looks like everyone will be forced to lock
>> revisions/counts down.
>> If there is a way to convert the database to a .inc file then we'd be a step
>> closer to coordinating counts between buildhosts (or rebuilds from scratch).
>> Currently the SRCPV looks like a major step backwards to the current
>> situation unless you are on a single buildhost *and* never delete TMPDIR
>> *and* use AUTOREV *and* care about upgrade paths.
>>
>> It would be a lot better if bitbake could just do the revlog | wc -l trick
>> after do_fetch has run. Or at least use that as localcount if a snapshot
>> exists in TMPDIR during parsing.
>
> After looking at what SRCPV means for distro POV I fully agree with Koen.
>
> It is going to add more problems then it solves. If a distro has more
> then one buildhost it will be a nightmare to manage it and very error
> prone :-(

Even in the single buildhost world things start falling down if you rm 
TMPDIR.

regards,

Koen