Subject: Re: [PATCH] revision: fix --left/right-only use with unrelated histories

From: Junio C Hamano <[email-masked]>
Date: Tue, 01 Apr 2025 02:56:58 -0700

Johannes Sixt <[email-masked]> writes:

> Am 30.03.25 um 07:49 schrieb Matt Hunter:
>> +	test $(comm -12 <(sort head) <(sort cmp) | wc -l) = "0"
>
> Process substitution does not work on Windows. Please use temporary files.

Also it is not portable across POSIX compilant shells (IIRC it is a
bash-ism).