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bug#9793: 24.0.90; Unwanted tramp connection on eshell completion.


From: Michael Albinus
Subject: bug#9793: 24.0.90; Unwanted tramp connection on eshell completion.
Date: Sat, 22 Oct 2011 11:39:45 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux)

Stefan Monnier <address@hidden> writes:

>> Because you didn't load tramp.
>> Connect first to your "trex" or anything else, then close this, and run
>> eshell and retry the above.
>> For me too, if i start emacs -Q and i go strait to eshell, all work fine.
>
> Ah, I see, I can reproduce it now:
>
>    % emacs -Q
>    M-x load-library RET tramp RET
>    M-x eshell RET
>    cd /t TAB
>
> At that point, Tramp tried to connect to `tic' and to `tequila' (the
> hosts mentioned in ~/.ssh/known_hosts that start with `t').

`pcomplete-dirs' uses `file-directory-p' as predicate, which is applied
to all completion candidates. The following patch ought to fix it:

--8<---------------cut here---------------start------------->8---
*** /home/albinus/src/emacs/lisp/pcomplete.el.~106161~  2011-10-22 
11:31:11.996458454 +0200
--- /home/albinus/src/emacs/lisp/pcomplete.el   2011-10-22 11:30:20.796204566 
+0200
***************
*** 948,954 ****
  
  (defsubst pcomplete-dirs (&optional regexp)
    "Complete amongst a list of directories."
!   (pcomplete-entries regexp 'file-directory-p))
  
  ;; generation of completion lists
  
--- 948,957 ----
  
  (defsubst pcomplete-dirs (&optional regexp)
    "Complete amongst a list of directories."
!   (pcomplete-entries regexp
!                    (lambda (dir)
!                      (or (file-remote-p (expand-file-name dir))
!                          (file-directory-p dir)))))
  
  ;; generation of completion lists
  
--8<---------------cut here---------------end--------------->8---

Comments?

>         Stefan

Best regards, Michael.





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