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From: Jeff King <peff@peff.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	"Martin Ågren" <martin.agren@gmail.com>,
	git@vger.kernel.org, "Eric Sunshine" <sunshine@sunshineco.com>
Subject: Re: [PATCH v3] doc-diff: don't `cd_to_toplevel`
Date: Wed, 6 Feb 2019 13:55:20 -0500	[thread overview]
Message-ID: <20190206185520.GD10231@sigill.intra.peff.net> (raw)
In-Reply-To: <xmqqimxyrs4w.fsf@gitster-ct.c.googlers.com>

On Tue, Feb 05, 2019 at 10:45:35AM -0800, Junio C Hamano wrote:

>  - Perhaps find the fork point, run tests to find known breakages
>    and exclude them?  This would simply be not practical, as it
>    doubles the number of tests run, for individual topic branches
>    because there are an order of magnitude more of them than the
>    primary integration branches.

I think this can be limited to the tests that failed, which makes things
much faster. I.e., we run the tests at the tip of topic X and see that
t1234 fails. We then go back to the fork point and we just need to run
t1234 again. If it succeeds, then we blame X for the failure. If it
fails, then we consider it a false positive.

You do pay the price to do a full build at the fork point, but in my
experience that is much quicker than the tests.

-Peff

  parent reply	other threads:[~2019-02-06 18:55 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-03  8:35 [PATCH] doc-diff: don't `cd_to_toplevel` before calling `usage` Martin Ågren
2019-02-03  9:08 ` Eric Sunshine
2019-02-03  9:11   ` Eric Sunshine
2019-02-03 10:35     ` Martin Ågren
2019-02-03 11:01       ` Eric Sunshine
2019-02-03 11:08         ` [PATCH v2] " Martin Ågren
2019-02-03 23:01           ` Jeff King
2019-02-04 20:50             ` [PATCH v3] doc-diff: don't `cd_to_toplevel` Martin Ågren
2019-02-04 23:34               ` Jeff King
2019-02-05 10:34                 ` Johannes Schindelin
2019-02-05 18:45                   ` Junio C Hamano
2019-02-06 12:20                     ` Johannes Schindelin
2019-02-06 17:24                       ` Junio C Hamano
2019-02-06 18:55                     ` Jeff King [this message]
2019-02-07 15:41                       ` Johannes Schindelin
2019-02-07 17:37                         ` Junio C Hamano
2019-02-07 21:34                           ` Johannes Schindelin
2019-02-07 20:49                         ` Jeff King
2019-02-07 21:42                           ` Johannes Schindelin
2019-02-06 18:49                   ` Jeff King
2019-02-07 14:26                     ` Johannes Schindelin
2019-02-07 20:45                       ` Jeff King
2019-02-07 21:57                         ` Johannes Schindelin
2019-02-08  2:53                           ` Jeff King
2019-02-08  4:34                             ` Jeff King
2019-02-08  0:58                         ` SZEDER Gábor
2019-02-08  2:51                           ` Jeff King

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