On 8/26/2023 2:28 PM, Jordan Wilson wrote:
> Hi Jim,
> 
> On 2023-08-26 (Sat) at 12:16 (-0700), Jim Porter <jporterbugs@gmail.com> wrote:
>> Thanks for reporting this. I can reproduce this issue. Does evaluating the
>> following work?
>>
>>    (setf (alist-get 'tramp-login-program
>>                     (alist-get "plink" tramp-methods nil nil #'equal))
>>          (list (concat "\"" (executable-find "plink") "\"")))
>>
>> If so, I think I've identified the bug: in 'eshell-gather-process-output', we
>> set the 'process-environment' to Eshell's environment variables. In a remote
>> directory, this includes the remote PATH. However, that confuses Tramp, which
>> uses that remote PATH to look for the local "plink.exe".
> 
> I can confirm that snippet does resolve the problem.

Thanks for checking. That's probably the best way to get things working 
for now, but I'll make sure to get a fix for this in for Emacs 29.2. In 
the meantime, here's a regression test that we should be able to use to 
verify the fix once we have it.