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Re: [PATCH 0/1] Run final pipeline command in a subshell in sh mode

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From: "brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx>
To: zsh-workers@xxxxxxx
Subject: Re: [PATCH 0/1] Run final pipeline command in a subshell in sh mode
Date: Sat, 7 Dec 2019 19:23:24 +0000
In-reply-to: <20191124234119.2403456-1-sandals@crustytoothpaste.net>
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> POSIX sh implementations run each command in a pipeline in a subshell,
> although zsh (and AT&T ksh) do not: instead, they run the final command
> in the main shell.
> 
> zsh is starting to be used in some cases as /bin/sh, such as on macOS
> Catalina.  Whether this is a good idea or not, it makes sense to emulate
> the POSIX behavior as much as possible when emulating sh, since that's
> the least surprising behavior.  This patch does exactly that.
> 
> With this patch, using "zsh --emulate sh" passes all but one test of the
> Git testsuite.  The remaining failure is due to zsh preserving NUL bytes
> in the output of command substitutions, which is permitted by POSIX; I
> will be sending a patch to fix that bug in the Git testsuite.

Gentle ping.  Is there any feedback that folks have on this patch?
-- 
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204

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References:
- [PATCH 0/1] Run final pipeline command in a subshell in sh mode
  - From: brian m. carlson

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