On 03/05/2024 05:12, Attila Fidan via GNU coreutils Bug Reports wrote:
> Hi,
> 
> I wanted to use the new cp --update=none-fail option introduced in 9.5,
> but it said "invalid argument ‘none-fail’ for ‘--update’". It turns out
> that the commit (49912bac286eb3c0ef7d1567ae790193ad5eb2e8) adding it
> forgot to add the new operation to update_type[] and
> update_type_string[] in cp.c like it did for mv.c. After patching
> coreutils locally the functionality works as expected.
> 
> It seems like the test suite didn't catch this because there's no
> cp/update.sh test like there is for mv. There's a test for if using
> --backup and --update=none-fail are mutually exclusive by checking if cp
> returns 1, but an invalid argument also makes cp return 1 :)
> 
> I didn't include a patch in case a change to the test suite is wanted,
> but the proposed change is tiny and rather obvious.

Well that's embarrassing.
I implemented in cp first, tested that manually,
then must have messed up that hunk when rebasing.

The attached should fix this.

Marking this as done.

thanks,
Pádraig.