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From: Eric Sunshine <sunshine@sunshineco.com>
To: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Git List <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>,
	Christian Couder <chriscool@tuxfamily.org>,
	Pranit Bauva <pranit.bauva@gmail.com>,
	Ramsay Jones <ramsay@ramsayjones.plus.com>,
	Trygve Aaberge <trygveaa@gmail.com>
Subject: Re: [PATCH v3] t6030: add test for git bisect skip started with --term* arguments
Date: Wed, 28 Apr 2021 12:55:33 -0400	[thread overview]
Message-ID: <CAPig+cSNWdUmPCQiErm41fzvDFRdegfkExUveYYN61Mrj_X2gQ@mail.gmail.com> (raw)
In-Reply-To: <20210428113805.109528-1-bagasdotme@gmail.com>

On Wed, Apr 28, 2021 at 7:39 AM Bagas Sanjaya <bagasdotme@gmail.com> wrote:
> Trygve Aaberge reported git bisect breakage when the bisection
> is started with --term* arguments (--term-new and --term-old).
>
> For example, suppose that we have repository with 10 commits, and we
> start the bisection from HEAD to first commit (HEAD~9) with:
>
>   $ git bisect start --term-new=fixed --term-old=unfixed HEAD HEAD~9
>
> The bisection then stopped at HEAD~5 (fifth commit), and we choose
> to skip (git bisect skip). The HEAD should now at HEAD~4 (sixth commit).
> In the breakage, however, the HEAD after skipping stayed at HEAD~5
> (not changed).
>
> The breakage is caused by forgetting to read '.git/BISECT_TERMS' during
> implementation of `'bisect skip' subcommand in C.
>
> Let's add the test to catch the breakage. Now that the corresponding
> fix had been integrated, flip the switch to test_expect_success.

The final sentence about flipping the switch should probably be
dropped since this patch now introduces the new test in its "success"
state.

> Reported-by: Trygve Aaberge <trygveaa@gmail.com>
> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
> ---
>
>  Changes from v2 [1]:
>    * remove double quotes inside test name
>    * double-quote HASH_SKIPPED_FROM and HASH_SKIPPED_TO in the
>      test comparison line
>    * rename test name to be simpler
>    * commit message now includes proper explanation why git bisect skip
>      is currently broken
>    * because the fix to the breakage had just been landed on seen, flip
>      the switch to test_expect_success.

Here in the patch commentary, it does indeed make sense to mention
that you flipped the state from "failure" to "success" between
iterations of the patch.

      reply	other threads:[~2021-04-28 16:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-28 11:38 [PATCH v3] t6030: add test for git bisect skip started with --term* arguments Bagas Sanjaya
2021-04-28 16:55 ` Eric Sunshine [this message]

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