scratch-build on untagged code [Was: Re: Proposal: Better force-tag]

[Toshio Kuratomi]

Nils Philippsen wrote:
> On Tue, 2008-09-16 at 11:53 +0200, Dominik 'Rathann' Mierzejewski wrote:
>> On Tuesday, 16 September 2008 at 10:02, Matej Cepl wrote:
>>> On 2008-09-15, 20:49 GMT, Doug Ledford wrote:
>>>> I *could* do an srpm build to test ppc/ppc64 kernel builds, but 
>>>> it takes 30 minutes for a kernel srpm to upload to the build 
>>>> system from here (admittedly, I do this on my rhel kernel 
>>>> builds, I haven't been messing with Fedora kernels, but the 
>>>> point is valid regardless), so I commit, tag, build, fix, 
>>>> force-tag, build, fix, etc.
>>> I don't want to immerse myself into this discussion (which 
>>> I haven't heard and read before), but this looks like bad 
>>> workaround around stupid problem. The problem here is IMHO that 
>>> koji is apparently not able to make a scratch build from untagged 
>>> (but commited) code.
>> Wrong. You can use the tag "HEAD".
> 
> Which doesn't help you if somebody else is concurrently working on the
> same package and checks in things while you're waiting for your scratch
> build. We could use "scratch-tags", but I find this a bit silly. IMO,
> this is rather a point where using an SCM with a repo-wide revision-id
> (instead of a per file one as used by CVS) would help. Who again was
> looking for use-cases for different SCMs ;-)?
> 
Actually... this is easily solved with tags that are generated by the
system per build-request.  If make build and make scratch-build
automatically tagged, there wouldn't be any problem here.  Instead of
adding a make target for scratch-tags, take away make tag.

-Toshio

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