bug#55622: Bug in sort with keys and reverse, and version-sort and reverse

[Pádraig Brady]

On 25/05/2022 03:00, Larry Ploetz wrote:
> I think I've found a bug in sort (git branch master). The --reverse flag
> seems to be ignored when --keys are supplied.
>
>      larryp-MBP:bin larry$ ./sort --version
>      sort (GNU coreutils) 9.1.17-a351f
>      Copyright (C) 2022 Free Software Foundation, Inc.
>      License GPLv3+: GNU GPL version 3 or 
> later<https://gnu.org/licenses/gpl.html>.
>      This is free software: you are free to change and redistribute it.
>      There is NO WARRANTY, to the extent permitted by law.
>
>      Written by Mike Haertel and Paul Eggert.
>      larryp-MBP:bin larry$ ./sort -r <<< $'a\nb'
>      b
>      a
>      larryp-MBP:bin larry$ ./sort -rk1,1 <<< $'a\nb'
>      a
>      b

Thanks for the report.
I pushed the following to address this
https://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=4e0167ea1

The existing tests are sufficient to catch this.

thanks!
Pádraig