bug#54338: enhancement (documentation): explain permission tests in "test"

[Pádraig Brady]

On 11/03/2022 10:42, Ulrich Windl wrote:
> I noticed that "test -r file" returns success when called as root for a file
> with these permissions:
> "--w-------" (see also https://stackoverflow.com/q/71435657/6607497)
>
> The documentation simply states:
> ‘-r FILE’
>       True if FILE exists and read permission is granted.
>
> Doing an strace it seems stat() is used to check the permissions (well, what
> about ACLs, just in case?)
>
> I think there should be a better explanatiomn how the permission tests work,
> especially when called as "root".
>
> (Report based on coreutils-8.32-150300.3.5.1 from openSUSE Leap 15.3)

I agree the current docs are ambiguous.
I'll apply the attached later to address this.

thanks,
Pádraig

test-access.diff
Description: Text Data