[OE-core] SRC_URI and latest HEAD revision with git

[Steffen Sledz]

On 22.07.2013 13:08, Paul Eggleton wrote:
> On Monday 22 July 2013 12:30:53 Steffen Sledz wrote:
>> On 22.07.2013 11:51, Paul Eggleton wrote:
>>> On Monday 22 July 2013 11:46:23 Steffen Sledz wrote:
>>>> On 22.07.2013 11:01, Nicolas Dechesne wrote:
>>>>> On Mon, Jul 22, 2013 at 8:21 AM, Steffen Sledz <sledz at dresearch-fe.de
>>>>>
>>>>> <mailto:sledz at dresearch-fe.de>> wrote:
>>>>>> After being OE abstinent for some months i'd like to ask what is the
>>>>>> current suggested method for recipes building from the HEAD revision of
>>>>>> a git repository (we need this for continuous integration).
>>>>>>
>>>>>> I read some RFC's in the ml about PKGV/PKGR stuff, but i miss a final
>>>>>> decision, documentation and a good example.>
>>>>>
>>>>> you can use ${AUTOREV} for this purpose. You can look at poky-bleeding
>>>>> distro config for such an example.
>>>>>
>>>>> e.g.
>>>>> http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta-yocto/conf/dist
>>>>> r
>>>>> o/include/poky-floating-revisions.inc
>>>>
>>>> Hmmmm? This doesn't seem the work.
>>>>
>>>> Here's what i tried in my recipe:
>>>>
>>>> ------------> snip <------------
>>>> PR = "r3"
>>>>
>>>> SRCREV="${AUTOREV}"
>>>> PV = "gitr${SRCPV}"
>>>> ------------> snip <------------
>>>>
>>>> But i get package versions like
>>>>
>>>>   gitr0+53b64e717404d282d0c58b7fa4a4e74ab2ca81ba-r3
>>>>
>>>> where SRCPB is always 0. :(
>>>>
>>>> A bit more description and/or a complete example would be very helpful.
>>>
>>> If you want these to increment now AIUI you need to be using the PR
>>> server:
>>>
>>> https://wiki.yoctoproject.org/wiki/PR_Service
>>
>> This seems to be the thing we need.
>>
>> But the description is not very helpful from the view of a recipe
>> maintainer. It describes mostly the server part.
>>
>> * What do i have to write in my recipe?
> 
> Nothing special. If you used SRCPV in PV where you are using an SCM in 
> SRC_URI, that should be enough. The integer at the start of SRCREV will be 
> incremented automatically if the revision changes, and if it doesn't but other 
> values within the recipe change then PR will automatically be incremented 
> above the initial value set in the recipe.
> 
>> * What modifications in bitbake.conf, local.conf, ... are necessary?
> 
> I believe as described in the page I linked above you should only need to set 
> PRSERV_HOST.

You're right. This works. ;-)

I've two points more:
* The Wiki-Page mentions the bitbake-prserv-tool. Where can this be found? It does not seem to be part of the bitbake repo.
* Does anyone have systemd configs or sysvinit scripts for handling the bitbake-prserv?

Cheers,
Steffen

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