Re: Automating remote emacsclient setup

Joel Reicher <[email protected]> writes:

Hi Joel,

> I was wondering if much work had been done on this front, and if not
> what it would take to do it. There's a lot already in place.
>
> From what I can tell the pieces would be, assuming a TCP server:
>
> 1) add port forwarding to the Tramp method (probably ssh only)
> 2) generate a server file at the remote
> 3) set Tramp prefix at the remote
>
> 3 is easy enough to do with init_SHELLNAME.sh, e.g. something like
>
> export EMACSCLIENT_TRAMP=/-:${HOSTNAME}:
>
> I'm thinking 1 should be done with `tramp-connection-properties', but
> there's a little piece missing. Ideally the server port would be
> extracted with something like (cadr (process-contact server-process)),
> and then that number goes into an ssh arg "-R 0:127.0.0.1:server-port"
> to allow dynamic allocation of a port at the remote end. However the
> message ssh prints for that allocation then needs to be captured by
> Tramp/Emacs so that it can be provided in the remote server file (or
> some equivalent).
>
> Thoughts? It would be really nice to have something like this.

I'm a little bit lost. What shall this be good for? Could you sketch the
scenario you have in mind?

> Thanks and regards,
>
>       - Joel

Best regards, Michael.