Re: [PATCH 8/8] check-whitespace: detect if no base_commit is provided

From: Georg Pfuetzenreuter <georg@syscid.com>
Date: Jul 8, 2024, 10:35 UTC
Message-ID: <d3921679-eeb8-4cca-bc0d-967e9e567fd4@syscid.com>
In-Reply-To: <CAPx1GvfkC0rv_8_q5_HfduhuKX4csO+sBZiZqV+Sh+Q0dV8+4w@mail.gmail.com>

On 7/8/24 12:18 PM, Chris Torek wrote:

Show 9 quoted lines

> The `test` command has AND and OR operators of its own,
> which give `-a` (AND) higher precedence than `-o` (OR).  In
> addition, `$#` can only expand to an integer value, so quotes
> are not required, and the whole thing can be written as:
> 
>      if test $# -ne 1 -a $# -ne 3 -o -z "$1"
> 
> (which is what I would do myself, unless I wanted a separate
> error message for an empty "$1").  It's fine as is though.

Hi,

https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html states

"The XSI extensions specifying the -a and -o binary primaries and the '(' and ')' operators have been marked obsolescent."

suggesting "&&" being preferred over "-a".

> Chris
>