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From: Eric Sunshine <sunshine@sunshineco.com>
To: Jeff King <peff@peff.net>
Cc: "Rubén Justo" <rjusto@gmail.com>,
	"Git List" <git@vger.kernel.org>,
	"Phillip Wood" <phillip.wood@dunelm.org.uk>,
	"Patrick Steinhardt" <ps@pks.im>,
	"Junio C Hamano" <gitster@pobox.com>
Subject: Re: [PATCH v4] add-patch: response to unknown command
Date: Wed, 24 Apr 2024 22:15:25 -0400	[thread overview]
Message-ID: <CAPig+cST4_hUwWg+P_drqT-mv8+eLAzBmuMFXm=Dui14kfYZzA@mail.gmail.com> (raw)
In-Reply-To: <20240425014432.GA1768914@coredump.intra.peff.net>

On Wed, Apr 24, 2024 at 9:44 PM Jeff King <peff@peff.net> wrote:
> On Sun, Apr 21, 2024 at 11:52:33PM +0200, Rubén Justo wrote:
> > +test_expect_success 'unknown command' '
> > +     test_when_finished "git reset --hard; rm -f command" &&
> > +     echo W >command &&
> > +     git add -N command &&
> > +     git diff command >expect &&
> > +     cat >>expect <<-EOF &&
> > +     (1/1) Stage addition [y,n,q,a,d,e,p,?]? Unknown command ${SQ}W${SQ} (use ${SQ}?${SQ} for help)
> > +     (1/1) Stage addition [y,n,q,a,d,e,p,?]?$SP
> > +     EOF
> > +     git add -p -- command <command >actual 2>&1 &&
> > +     test_cmp expect actual
> > +'
>
> I got a test failure on Windows CI from this. The test_cmp output looks
> like this:
>
>   -(1/1) Stage addition [y,n,q,a,d,e,p,?]? Unknown command 'W' (use '?' for help)
>   -(1/1) Stage addition [y,n,q,a,d,e,p,?]?
>   +(1/1) Stage addition [y,n,q,a,d,e,p,?]? (1/1) Stage addition [y,n,q,a,d,e,p,?]?
>   +Unknown command 'W' (use '?' for help)
>
> which makes me suspect a race. Perhaps because the prompt is going to
> stdout, but the "Unknown command" message goes to stderr? Maybe we
> should keep stdout and stderr separate and check them independently.

That's very reminiscent of [1]. Although, unlike [1], the output
presented to the user in this case is (I suppose) less likely to be
messed up; only the combined captured output is probably affected. So,
capturing stdout and stderr separately would indeed be a good idea.

[1]: https://lore.kernel.org/git/CAPig+cTGq-10ZTBts2LXRVdPMf2vNMX8HTuhg_+ZHSiLX-brOQ@mail.gmail.com/

  reply	other threads:[~2024-04-25  2:15 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-15 19:00 [PATCH] add-patch: response to invalid option Rubén Justo
2024-04-16  5:51 ` Patrick Steinhardt
2024-04-16 19:11   ` Rubén Justo
2024-04-16  9:41 ` phillip.wood123
2024-04-16 19:24   ` Rubén Justo
2024-04-17  9:37     ` phillip.wood123
2024-04-17 15:05       ` Junio C Hamano
2024-04-18 15:11         ` phillip.wood123
2024-04-16 10:26 ` Junio C Hamano
2024-04-16 13:56   ` Phillip Wood
2024-04-16 15:22     ` Junio C Hamano
2024-04-16 15:46       ` Phillip Wood
2024-04-16 16:10         ` Junio C Hamano
2024-04-16 19:31   ` Rubén Justo
2024-04-20 11:08 ` [PATCH v2] add-patch: response to invalid command Rubén Justo
2024-04-20 17:53   ` Junio C Hamano
2024-04-21  9:51   ` [PATCH v3] add-patch: response to unknown command Rubén Justo
2024-04-21 13:18     ` phillip.wood123
2024-04-21 19:37       ` Rubén Justo
2024-04-21 21:52     ` [PATCH v4] " Rubén Justo
2024-04-22 15:50       ` Junio C Hamano
2024-04-24 10:15         ` phillip.wood123
2024-04-24 15:35           ` Junio C Hamano
2024-04-29  9:48             ` Phillip Wood
2024-04-29 16:09               ` Junio C Hamano
2024-04-25  1:44       ` Jeff King
2024-04-25  2:15         ` Eric Sunshine [this message]
2024-04-25 20:23           ` Junio C Hamano
2024-04-25 21:00             ` Eric Sunshine
2024-04-25 21:13               ` Junio C Hamano
2024-04-25 21:05             ` Junio C Hamano
2024-04-25 22:09               ` Rubén Justo
2024-04-25 22:16                 ` Junio C Hamano
2024-04-25 23:46                   ` Rubén Justo
2024-04-26  5:39                     ` Junio C Hamano
2024-04-26 16:26                     ` Junio C Hamano
2024-04-26 20:21           ` Jeff King
2024-04-25  3:04         ` Rubén Justo
2024-04-26 20:23           ` Jeff King
2024-04-26 20:41             ` Rubén Justo
2024-04-25  8:53         ` phillip.wood123
2024-04-29 18:35       ` [PATCH v5 0/2] " Rubén Justo
2024-04-29 18:37         ` [PATCH v5 1/2] add-patch: do not show UI messages on stderr Rubén Justo
2024-04-29 19:24           ` Junio C Hamano
2024-04-30 10:52             ` Jeff King
2024-04-30 16:35               ` Rubén Justo
2024-04-30 17:17                 ` Junio C Hamano
2024-04-30 17:11               ` Junio C Hamano
2024-04-30 14:47           ` phillip.wood123
2024-04-30 16:38             ` Rubén Justo
2024-05-01 15:39               ` phillip.wood123
2024-05-01 16:14                 ` Junio C Hamano
2024-05-01 21:13                   ` Rubén Justo
2024-05-02 16:38                     ` Junio C Hamano
2024-04-29 18:37         ` [PATCH v5 2/2] add-patch: response to unknown command Rubén Justo

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