Michael Albinus <michael.albinus@gmx.de> writes:

Hi Dmitry,

>> The command can be simple, like 'ls' or 'echo 123'. I also see this
>> added to *Messages*:
>>
>>   Tramp: Inserting
>>   ‘/ssh:dgutov@fencepost.gnu.org:/home/d/dgutov/.tramp_history’...done
>
> According to reading .tramp_history: this is performed in
> comint-read-input-ring, called from shell-mode. comint-input-ring-file-name
> is set in shell-mode, I don't see a trivial solution to suppress
> this. Likely, we must extend shell-mode for this case.

We could add a user option remote-file-name-inhibit-input-ring which
suppresses reading the remote histfile, when set to non-nil. See
appended patch.

Eli?

Best regards, Michael.