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Re: tramp 2.26 emacs 24.3 plink

From: Michael Albinus
Subject: Re: tramp 2.26 emacs 24.3 plink
Date: Wed, 16 Jul 2014 09:30:28 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

MM <address@hidden> writes:

> The update here is that I've found a sort of gateway machine to which 
> I can ssh, but this box runs some sort of forwarder where it 
> 1. prints the string "Host:" 
> 2. waits for user input for the hostname to forward to 
> 3. connects and runs a login shell on the entered hostname 
> Is there a way to make Tramp work with this? 

Yes. See the Tramp manual for this

(info "(tramp) Remote shell setup")

You could adapt the example like this:

--8<---------------cut here---------------start------------->8---
(defconst my-tramp-prompt-regexp
  (concat (regexp-quote "Host:") "\\s-*")
  "Regular expression matching my login prompt question.")

(defun my-tramp-action (proc vec)
  "Enter the host name in order to give a correct answer."
    (with-current-buffer (tramp-get-connection-buffer vec)
      (tramp-message vec 6 "\n%s" (buffer-string))
      (tramp-send-string vec "hostname")))) ;; Use the real host name
                                            ;; instead of "hostname".

(eval-after-load "tramp-sh"
  (add-to-list 'tramp-actions-before-shell
               '(my-tramp-prompt-regexp my-tramp-action)))
--8<---------------cut here---------------end--------------->8---

Then you might be able to open a file on the host with "C-x C-f
/plink:address@hidden|address@hidden:/path/to/file". "gateway is the name of
the gateway host, and "host" is the name of your target host. "user1"
and "user2" are the respective users on those machhines.

> I want not only to edit remote files, but also to 
> 1. use some sort of tagging (either etags or Semantic tags) of the 
> remote files (maybe the local cache TRAMP has of the remote files) to 
> be able to jump to symbols, 
> 2. launch remote builds 

Shall be possible.

> 3. do remote gdb debugging 

This used to work in the past. Due to some changes in gdb-mi.el, this
seems to be broken these days. Maybe we shall check together the status.

Best regards, Michael.

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