From: Junio C Hamano <gitster@pobox.com>
To: Stefan Beller <sbeller@google.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH] lib-submodule-update.sh: drop unneeded shell
Date: Fri, 13 Jan 2017 10:40:51 -0800 [thread overview]
Message-ID: <xmqqtw92hkgc.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20170111184732.26416-1-sbeller@google.com> (Stefan Beller's message of "Wed, 11 Jan 2017 10:47:32 -0800")
Stefan Beller <sbeller@google.com> writes:
> In modern Git we prefer "git -C <cmd" over "(cd <somewhere && git <cmd>)"
> as it doesn't need an extra shell.
There is a matching '>' missing. The description is correct (I am
not sure if there actually is "preference", though), but I found the
title a bit misleading. With 'drop unneeded subshell', I would
imagine a patch like
(
- ( do something )
+ do something;
do something else;
)
It looks more like "reduce use of subshell by using 'git -C <dir>'"
to me.
> And because it is in a setup function, we actually save the invocation
> of 22 shells for a single run of the whole test suite.
Nice.
>
> Noticed while adding a lot more in near vincinity, though not as near
> to cause merge conflicts, so sending it extra.
>
> Thanks,
> Stefan
>
> t/lib-submodule-update.sh | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/t/lib-submodule-update.sh b/t/lib-submodule-update.sh
> index 79cdd34a54..915eb4a7c6 100755
> --- a/t/lib-submodule-update.sh
> +++ b/t/lib-submodule-update.sh
> @@ -69,10 +69,7 @@ create_lib_submodule_repo () {
>
> git checkout -b "replace_sub1_with_directory" "add_sub1" &&
> git submodule update &&
> - (
> - cd sub1 &&
> - git checkout modifications
> - ) &&
> + git -C sub1 checkout modifications &&
> git rm --cached sub1 &&
> rm sub1/.git* &&
> git config -f .gitmodules --remove-section "submodule.sub1" &&
next prev parent reply other threads:[~2017-01-13 18:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 18:47 [PATCH] lib-submodule-update.sh: drop unneeded shell Stefan Beller
2017-01-13 18:40 ` Junio C Hamano [this message]
2017-01-13 19:03 ` [PATCH] lib-submodule-update.sh: reduce use of subshell by using git -C <dir> Stefan Beller
2017-01-13 19:55 ` [PATCH] lib-submodule-update.sh: drop unneeded shell Junio C Hamano
2017-01-13 20:01 ` Stefan Beller
2017-01-13 20:19 ` Junio C Hamano
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