bug#28023: fix make-temp-file race on local host

[Michael Albinus]

Paul Eggert <eggert@cs.ucla.edu> writes:

> Tramp needs to support a new method make-temp-file that creates a file
> (or directory) atomically, as make-temp-file does locally now.

That means, make-temp-file shall be converted into a magic file name
operation. I'll do my best, but I don't know whether we could get an
implementation for all Tramp methods w/o a race condition.

> Tramp also needs to support the excl flag of write-region (currently
> it ignores that flag).

This sounds trivial. And yes, it will help.

> I was planning to write this up as a bug report after the patch goes
> in.

Pls do.

Best regards, Michael.