Re: [PATCH 2/2] Allow passing pipes for input pipes to diff --no-index

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On Fri, Sep 18, 2020 at 01:20:44PM -0400, Jeff King wrote:
> On Fri, Sep 18, 2020 at 10:36:47AM -0400, Taylor Blau wrote:
>
> >   - The cat pipe is unnecessary, and is also violating a rule that we
> >     don't place 'git' on the right-hand side of a pipe (can you redirect
> >     the file at the end instead?).
>
> What's wrong with git on the right-hand side of a pipe?

Ack, ignore me. The problem would be on the left-hand side only, without
set -o pipefail, which we don't do.

> On the left-hand side we lose its exit code, which is bad. But on the
> right hand side, we are only losing the exit code of "cat", which we
> don't care about.
>
> (Though I agree that "cat" is pointless here; we could just be
> redirecting from a file).

Yep, but an easy mistake to make nonetheless.

> -Peff

Thanks,
Taylor



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