[PATCH] selftests: make shell scripts POSIX-compliant

[Hangbin Liu]

On Sun, Feb 16, 2025 at 06:11:51AM -1000, Tejun Heo wrote:
> On Sun, Feb 16, 2025 at 05:32:25PM +0530, Aditya Dutt wrote:
> > Changes include:
> > - Replaced [[ ... ]] with [ ... ]
> > - Replaced == with =
> > - Replaced printf -v with cur=$(printf ...).
> > - Replaced echo -e with printf "%b\n" ...
> > 
> > The above mentioned are Bash/GNU extensions and are not part of POSIX.
> > Using shells like dash or non-GNU coreutils may produce errors.
> > They have been replaced with POSIX-compatible alternatives.
> 
> Maybe just update them to use /bin/bash instead? There haven't been a lot of
> reports of actual breakges and a lot of existing tests are using /bin/bash
> already.

+1

Hangbin