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From: Eric Sunshine <>
To: Jeff King <>
Cc: Taylor Blau <>, Git List <>,
	Derrick Stolee <>
Subject: Re: [PATCH 2/3] t4216: fix broken '&&'-chain
Date: Tue, 30 Jun 2020 15:48:36 -0400
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Jun 30, 2020 at 3:03 PM Jeff King <> wrote:
> [...] what are we improving, and why?
> The original code handled the fact that the file might not exist by not
> including its exit code in the &&-chain which leads to the function's
> return value. Your new code does so by putting it in the &&-chain but
> asking "rm" to ignore errors. Is one better than the other?
> I think so, but my argument would be more along the lines of:
>   - without "-f", "rm" will complain about a missing file, which is
>     distracting noise in the test log

Indeed, a nice detail when reading verbose test output; one less thing
to distract the attention from the real/important problems.

>   - once "-f" is added in to suppress that, we might as well add the
>     command to the &&-chain. That's our normal style, so readers don't
>     have to wonder if it's important or not. Plus it would help avoid a
>     broken chain if more commands are added at the beginning of the
>     function.

The bit about commands possibly being added at the beginning of the
function probably deserves its own bullet point. I often (relatively
speaking) cite that reason when asking people to &&-chain variable
assignments at the beginning of a function.

    func () {
        a=1 &&
        b=2 &&

  parent reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-30 17:17 [PATCH 0/3] commit-graph: introduce 'core.useBloomFilters' Taylor Blau
2020-06-30 17:17 ` [PATCH 1/3] commit-graph: pass a 'struct repository *' in more places Taylor Blau
2020-06-30 20:52   ` Derrick Stolee
2020-06-30 17:17 ` [PATCH 2/3] t4216: fix broken '&&'-chain Taylor Blau
2020-06-30 17:50   ` Eric Sunshine
2020-06-30 18:39     ` Taylor Blau
2020-06-30 19:03       ` Jeff King
2020-06-30 19:12         ` Taylor Blau
2020-06-30 19:19           ` Jeff King
2020-06-30 19:48         ` Eric Sunshine [this message]
2020-06-30 18:55     ` Jeff King
2020-06-30 17:17 ` [PATCH 3/3] commit-graph: respect 'core.useBloomFilters' Taylor Blau
2020-06-30 19:18   ` Jeff King
2020-06-30 19:27     ` Taylor Blau
2020-06-30 19:33       ` Jeff King

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