Re: [PATCH] mv: add --swap (-s) option to atomically swap 2 paths

[Rob Landley]

On 3/1/24 03:18, Pádraig Brady wrote:
> On 29/02/2024 22:02, Petr Malat wrote:
>> renameat2() syscall allows atomically swapping 2 paths on one
>> file system. Expose this ability to the user using -s option.
>> 
>> * NEWS: Mention the new option
> 
> Thanks for the patch.
> 
> That was suggested previously:
> https://lists.gnu.org/archive/html/coreutils/2021-05/msg00030.html
> 
> I agree this is useful functionality,
> but the thinking is we should add this to a "replace" utility
> rather than to mv.

I added it as "mv -x" (exchange) in toybox:

https://mstdn.jp/@landley/111920584191115050

I'd have mentioned it here, but:

https://lists.gnu.org/archive/html/coreutils/2023-08/msg00100.html

Rob