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From: Amanda Shafack <>
To: Eric Sunshine <>
Cc: Amanda Shafack via GitGitGadget <>,
	Git List <>,
	Emily Shaffer <>,
	Jonathan Nieder <>
Subject: Re: [PATCH v2] t9832,t2200: avoid using pipes in git commands
Date: Sun, 18 Oct 2020 21:40:54 +0100
Message-ID: <> (raw)
In-Reply-To: <>

On Sun, Oct 18, 2020 at 8:25 PM Eric Sunshine <> wrote:
> On Sun, Oct 18, 2020 at 10:42 AM Amanda Shafack via GitGitGadget
> <> wrote:
> > t9832,t2200: avoid using pipes in git commands
> The subject is a bit confusing since pipes aren't used in Git
> commands; instead, Git commands may be components of pipes. However,
> even that is too imprecise. The issue this patch is addressing is that
> we want to avoid Git commands _upstream_ in a pipe. It's perfectly
> acceptable for the Git command to be the final element of a pipe since
> the pipe returns the exit code of the final command. So, to be more
> precise, the subject could say:
>     t2200,t9832: avoid using `git` upstream in a pipe
> Nit: It's subjective, but it feels a bit more natural to list the test
> numbers in ascending order rather than descending order, which is why
> I swapped them around in the example above.

I agree it looks more appropriate.

> > When a git command is upstream in a pipe, an unexpected failure of
> > the git command will go unnoticed.
> >
> > Write out the output of the git command to a file, so as to actively
> > catch a failure of the git command.
> It's easy to see from the patch itself that the output of the Git
> command is now written to a file, so it's not necessary to say so in
> the commit message. Therefore, the entire body of the commit message
> could be written more succinctly, perhaps like this:
>     Avoid placing `git` upstream in a pipe since doing so throws away
>     its exit code, thus an unexpected failure may go unnoticed.
> The actual patch itself looks fine, and these comments about the
> commit message are quite minor, thus there probably is no need to
> re-roll (though feel free to do so if you think the bit of extra
> polishing of the commit message is worthwhile).

I believe it's best practice to optimize one's work as much as
possible, so I have included these changes.
Thanks for the detailed explanation.

> Thanks.



Amanda  Shafack

  parent reply	other threads:[~2020-10-18 20:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-17 16:02 [PATCH 0/2] [Outreachy][Patch v1] t9832,t2200: avoid using pipes in git related commands Amanda  Shafack  via GitGitGadget
2020-10-17 16:02 ` [PATCH 1/2] t9832,t2200: avoid using pipes in git commands Amanda Shafack via GitGitGadget
2020-10-18  6:11   ` Eric Sunshine
2020-10-18 13:57     ` Amanda Shafack
2020-10-17 16:02 ` [PATCH 2/2] t2200: modify code syntax Amanda  Shafack via GitGitGadget
2020-10-18  5:55   ` Eric Sunshine
2020-10-18 13:59     ` Amanda Shafack
2020-10-18 14:42 ` [PATCH v2] t9832,t2200: avoid using pipes in git commands Amanda  Shafack  via GitGitGadget
2020-10-18 19:25   ` Eric Sunshine
2020-10-18 20:04     ` Junio C Hamano
2020-10-18 22:04       ` Amanda Shafack
2020-10-18 20:40     ` Amanda Shafack [this message]
2020-10-18 20:48   ` [PATCH v3] t2200,t9832: avoid using 'git' upstream in a pipe Amanda  Shafack  via GitGitGadget
2020-10-18 21:01     ` Junio C Hamano

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