netdev - Re: [PATCH net-next RFC] selftests/net: integrate packetdrill with ksft

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Message-ID: <20240902095611.3567ba1e@kernel.org>
Date: Mon, 2 Sep 2024 09:56:11 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc: Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
 davem@...emloft.net, edumazet@...gle.com, ncardwell@...gle.com,
 shuah@...nel.org, linux-kselftest@...r.kernel.org, fw@...len.de, Willem de
 Bruijn <willemb@...gle.com>, "Matthieu Baerts (NGI0)" <matttbe@...nel.org>,
 martineau@...nel.org
Subject: Re: [PATCH net-next RFC] selftests/net: integrate packetdrill with
 ksft

On Mon, 2 Sep 2024 09:46:12 -0700 Jakub Kicinski wrote:
> PRESERVE_TEST_DIRS

This was meant to be:

PRESERVE_TEST_DIRS := 1

Testing this more, looks like rsync -aR breaks networking tests, too.
The net/lib target, specifically, is no longer able to copy out 
the files outside of tools/testing/selftests (the YAML specs which
live in Documentation/).

So unless we can pass some magic flag to rsync to skip leading ../
we'll be stuck in supporting both behaviors forever. In which case
maybe TEST_PROGS_RECURSE is indeed better. I was hoping the
PRESERVE_TEST_DIRS flag can spread and once it reaches all targets
we can make delete the old behavior. If it can't happen its no better
than TEST_PROGS_RECURSE... sorry for the noise.