Re: git: 01a679715f68 - main - err(3): print extended error if available

From: Mark Johnston <markj_at_freebsd.org>
Date: Tue, 08 Jul 2025 12:54:49 UTC
On Mon, Jul 07, 2025 at 07:28:46PM +0000, Konstantin Belousov wrote:
> The branch main has been updated by kib:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=01a679715f68d5e32efecafc1f158eecec3f781b
> 
> commit 01a679715f68d5e32efecafc1f158eecec3f781b
> Author:     Konstantin Belousov <kib@FreeBSD.org>
> AuthorDate: 2025-06-16 21:26:22 +0000
> Commit:     Konstantin Belousov <kib@FreeBSD.org>
> CommitDate: 2025-07-07 18:44:22 +0000
> 
>     err(3): print extended error if available
>     
>     Reviewed by:    asomers, brooks
>     Sponsored by:   The FreeBSD Foundation
>     Differential revision:  https://reviews.freebsd.org/D51141

This seems to cause extended errors to be printed unconditionally:

root@freebsd:~ # truncate -r foo bar
truncate: foo: No such file or directory (extended error No error)

A number of tests fail due to this.  Moreover, it doesn't seem useful to
print a non-existent extended error.  Can the extended error be
suppressed in the "no error" case?