bug#58919: 28.2; dired-copy-file-recursive fails to overwrite directory

[Eli Zaretskii]

> Date: Tue, 1 Nov 2022 11:04:22 -0700
> Cc: 58919@debbugs.gnu.org
> From: Paul Eggert <eggert@cs.ucla.edu>
> 
> The simplest fix I can see is to enhance make-directory so that it 
> returns t if the directory already existed and PARENTS was given, nil on 
> any other successful return. This would require changes to Tramp to 
> avoid races there. I plan to post a proposed patch for comment.

SGTM: make-directory didn't return any meaningful value until now, so
this change should be safe, I think.

Thanks.