[poky] When SRCREV is set to AUTOREV, what triggers (re-)fetching?

[Jianxun Zhang]

> On Sep 2, 2016, at 7:35 AM, Richard Purdie <richard.purdie at linuxfoundation.org> wrote:
> 
> On Fri, 2016-09-02 at 10:08 -0400, Evade Flow wrote:
>>> Add ${SRCPV} to your PV (see various recipes in oe-core for
>> examples), then it’ll know to re-run the tasks when srcrev changes.
>> 
>> Thanks for confirming that this is 'supposed' to work, that's great
>> news! Actually, I've already included SRCPV in PV. Here's my recipe,
>> shorn of comments and an uninteresting do_install_append() function:
> 
> You don't have BB_SRCREV_POLICY set to cache anywhere do you? It
> defaults to clear which is what you want...
> 
> Does "rm tmp/cache -r" 'fix' make it see new revisions? Knowing that
> would at least help track down the kind of problem you're seeing.
> 
> What does the full PV look like after expansion? Does it contain an
> older truncated SRCREV ?

BTW, the usage of AUTOREV should be updated in BB user manual section 4.4. It works intuitively for me. But I don’t know the best authentic way to document it and any corner case in a patch... 

Thanks

> 
> Cheers,
> 
> Richard
> -- 
> _______________________________________________
> poky mailing list
> poky at yoctoproject.org
> https://lists.yoctoproject.org/listinfo/poky