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From: Junio C Hamano <gitster@pobox.com>
To: "SZEDER Gábor" <szeder.dev@gmail.com>
Cc: Johannes Sixt <j6t@kdbg.org>, git@vger.kernel.org
Subject: Re: [PATCH 1/3] t7610-mergetool: do not place pipelines headed by `yes` in subshells
Date: Mon, 10 Jun 2019 10:23:57 -0700	[thread overview]
Message-ID: <xmqq36khnyky.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20190610095942.GA19035@szeder.dev> ("SZEDER =?utf-8?Q?G?= =?utf-8?Q?=C3=A1bor=22's?= message of "Mon, 10 Jun 2019 11:59:42 +0200")

SZEDER Gábor <szeder.dev@gmail.com> writes:

> turn these
>
>   test "$(cat file1)" = "that"'
>
> checks into
>
>   echo that >expect &&
>   test_cmp expect file1
>
> because 'test_cmp' on Windows first compares the two files in shell
> and runs 'diff' only when there is a difference to report.

Needs measuring.  Is two extra file I/Os that inexpensive?

  reply	other threads:[~2019-06-10 17:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-10  8:58 [PATCH 0/3] Reduce number of processes spawned by git-mergetool Johannes Sixt
2019-06-10  8:58 ` [PATCH 1/3] t7610-mergetool: do not place pipelines headed by `yes` in subshells Johannes Sixt
2019-06-10  9:59   ` SZEDER Gábor
2019-06-10 17:23     ` Junio C Hamano [this message]
2019-06-10 17:56       ` SZEDER Gábor
2019-06-10 18:29     ` Johannes Schindelin
2019-06-10 18:57       ` SZEDER Gábor
2019-06-10  8:58 ` [PATCH 2/3] mergetool: dissect strings with shell variable magic instead of `expr` Johannes Sixt
2019-06-10 17:17   ` Junio C Hamano
2019-06-10 21:34     ` Johannes Sixt
2019-06-10  8:59 ` [PATCH 3/3] mergetool: use shell variable magic instead of `awk` Johannes Sixt
2019-06-10 17:21   ` Junio C Hamano
2019-06-10 22:01     ` Johannes Sixt
2019-06-12 16:33 ` [PATCH v2 0/4] Reduce number of processes spawned by git-mergetool Johannes Sixt
2019-06-12 16:33   ` [PATCH v2 1/4] t7610-mergetool: do not place pipelines headed by `yes` in subshells Johannes Sixt
2019-06-12 16:33   ` [PATCH v2 2/4] t7610-mergetool: use test_cmp instead of test $(cat file) = $txt Johannes Sixt
2019-06-12 16:33   ` [PATCH v2 3/4] mergetool: dissect strings with shell variable magic instead of `expr` Johannes Sixt
2019-06-12 16:33   ` [PATCH v2 4/4] mergetool: use shell variable magic instead of `awk` Johannes Sixt

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