[OE-core] Avoid race condition between do_unpack and do_deploy_archives in archiver.bbclass

[Burton, Ross]

On 14 August 2015 at 07:27, Clemens Lang <clemens.lang at bmw-carit.de> wrote:

> I see this in the code, but my error messages speak a very different
> language. Maybe it's a race condition with do_unpack, which actually
> deletes and re-creates these directories again? In any case, there is a
> race condition that causes the directory to be missing when it should be
> there.
>
> For reference, here's one that fails to chdir in Python code:
>

Right, so it's probably racing with unpack which as you say is deleting $S
to recreate it from scratch.  Sounds like do_deploy_archives needs [dirs]
set to something other than $B.  The other archiver tasks use
ARCHIVER_OUTDIR as the cwd, or there's always WORKDIR as a good alternative.

Ross
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