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

[Martin Jansa]

On Mon, Jul 22, 2013 at 12:08:06PM +0100, 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.

If you need to support upgrade path from old LOCALCOUNT db in
PERSISTENT_DIR then you also need to migrate last numbers to PRSERV db.

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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