From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 10 Jun 2019 17:23:57 GMT
Subject: Re: [PATCH 1/3] t7610-mergetool: do not place pipelines headed by `yes` in subshells
Message-ID: <xmqq36khnyky.fsf@gitster-ct.c.googlers.com>
In-Reply-To: <20190610095942.GA19035@szeder.dev>

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?