Re: [PATCH] t5500: count objects through stderr, not trace

[Johannes Schindelin <Johannes.Schindelin@gmx.de>]

Hi Jonathan,

On Wed, 6 May 2020, Jonathan Tan wrote:

> In two tests introduced by 4fa3f00abb ("fetch-pack: in protocol v2,
> in_vain only after ACK", 2020-04-28) and 2f0a093dd6 ("fetch-pack: in
> protocol v2, reset in_vain upon ACK", 2020-04-28), the count of objects
> downloaded is checked by grepping for a specific message in the packet
> trace. However, this is flaky as that specific message may be delivered
> over 2 or more packet lines.
>
> Instead, grep over stderr, just like the "fetch creating new shallow
> root" test in the same file.
>
> Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
> ---
> Thanks, Dscho. The commits introducing the flakiness have made it to
> master, so this commit is on master.

Thank you for fixing this so quickly. I agree that the patch addresses the
underlying problem.

Thanks!
Dscho

> ---
>  t/t5500-fetch-pack.sh | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh
> index 52dd1a688c..8c54e34ef1 100755
> --- a/t/t5500-fetch-pack.sh
> +++ b/t/t5500-fetch-pack.sh
> @@ -386,7 +386,7 @@ test_expect_success 'clone shallow with packed refs' '
>  '
>
>  test_expect_success 'in_vain not triggered before first ACK' '
> -	rm -rf myserver myclient trace &&
> +	rm -rf myserver myclient &&
>  	git init myserver &&
>  	test_commit -C myserver foo &&
>  	git clone "file://$(pwd)/myserver" myclient &&
> @@ -399,12 +399,12 @@ test_expect_success 'in_vain not triggered before first ACK' '
>  	# The new commit that the client wants to fetch.
>  	test_commit -C myserver bar &&
>
> -	GIT_TRACE_PACKET="$(pwd)/trace" git -C myclient fetch --progress origin &&
> -	test_i18ngrep "Total 3 " trace
> +	git -C myclient fetch --progress origin 2>log &&
> +	test_i18ngrep "remote: Total 3 " log
>  '
>
>  test_expect_success 'in_vain resetted upon ACK' '
> -	rm -rf myserver myclient trace &&
> +	rm -rf myserver myclient &&
>  	git init myserver &&
>
>  	# Linked list of commits on master. The first is common; the rest are
> @@ -429,8 +429,8 @@ test_expect_success 'in_vain resetted upon ACK' '
>  	# first. The 256th commit is common between the client and the server,
>  	# and should reset in_vain. This allows negotiation to continue until
>  	# the client reports that first_anotherbranch_commit is common.
> -	GIT_TRACE_PACKET="$(pwd)/trace" git -C myclient fetch --progress origin master &&
> -	test_i18ngrep "Total 3 " trace
> +	git -C myclient fetch --progress origin master 2>log &&
> +	test_i18ngrep "Total 3 " log
>  '
>
>  test_expect_success 'fetch in shallow repo unreachable shallow objects' '
> --
> 2.26.2.526.g744177e7f7-goog
>
>