GNU bug report logs - #20233
24.5rc1; tramp error opening file

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From: David Hull <david.hull <at> openx.com>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: 20233 <at> debbugs.gnu.org
Subject: bug#20233: 24.5rc1; tramp error opening file
Date: Wed, 1 Apr 2015 09:35:24 -0700

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Yes, that patch fixes the problem for me. Thanks!

On Tue, Mar 31, 2015 at 11:51 PM, Michael Albinus <michael.albinus <at> gmx.de>
wrote:

> [Please keep the Cc, for the public]
>
> David Hull <david.hull <at> openx.com> writes:
>
> Hi David,
>
> > The scp command succeeded:
> >
> > $ cd /tmp
> > $ rm -f
> > /var/folders/y9/k3f9vqgn73gf64x8ktywlkd10r0222/T/tramp.110640VR.erl
> > $ scp -p -q -r -o ControlMaster=auto -o ControlPath='tramp.%r@%h:%p' -
> > o ControlPersist=no
> >
> cos6\:/home/david.hull/src/ds-advertiser-server/src/ds_adv_ox3_lineitem_v3.erl
> > /var/folders/y9/k3f9vqgn73gf64x8ktywlkd10r0222/T/tramp.110640VR.erl
> > $ echo $?
> > 0
> > $ ls -l
> > /var/folders/y9/k3f9vqgn73gf64x8ktywlkd10r0222/T/tramp.110640VR.erl
> > -rw-r--r-- 1 david.hull staff 11905 Mar 31 14:02
> > /var/folders/y9/k3f9vqgn73gf64x8ktywlkd10r0222/T/tramp.110640VR.erl
> >
> > I wonder if the problem could be that the ControlPath option doesn't
> > specify a directory?
>
> Yes, indeed. This was changed back in February due to Bug#19861.
>
> > I did a test. I put a "scp" shell script in my $HOME/bin directory
> > with the following contents:
> >
> > #! /bin/bash
> > WD=`pwd`
> > echo "$WD: scp $*" >>/tmp/scp.out
> > /usr/bin/scp "$@"
> >
> > When I attempted to use tramp, /tmp/scp.out had the following
> > contents:
> >
> > /: scp -p -q -r -o ControlMaster=auto -o ControlPath=tramp.%r@%h:%p -o
> > ControlPersist=no
> >
> cos6:/home/david.hull/src/ds-advertiser-server/src/ds_adv_ox3_lineitem_v3.erl
> > /var/folders/y9/k3f9vqgn73gf64x8ktywlkd10r0222/T/tramp.16189hTW.erl
> >
> > Note that the first thing on the line, the working directory, is "/".
>
> Could you, pls, check whether the following patch works for you? It is a
> backport from Emacs 25.0.50:
>
> --8<---------------cut here---------------start------------->8---
> *** /home/albinus/src/emacs-24/lisp/net/tramp.el.~emacs-24~     2015-04-01
> 08:47:21.556209883 +0200
> --- /home/albinus/src/emacs-24/lisp/net/tramp.el        2015-04-01
> 08:47:21.660211724 +0200
> ***************
> *** 3355,3364 ****
>
>   (defun tramp-handle-unhandled-file-name-directory (_filename)
>     "Like `unhandled-file-name-directory' for Tramp files."
> !   ;; With Emacs 23, we could simply return `nil'.  But we must keep it
> !   ;; for backward compatibility.  "~/" cannot be returned, because
> !   ;; there might be machines without a HOME directory (like hydra).
> !   "/")
>
>   (defun tramp-handle-set-visited-file-modtime (&optional time-list)
>     "Like `set-visited-file-modtime' for Tramp files."
> --- 3355,3365 ----
>
>   (defun tramp-handle-unhandled-file-name-directory (_filename)
>     "Like `unhandled-file-name-directory' for Tramp files."
> !   ;; Starting with Emacs 23, we must simply return `nil'.  But we must
> !   ;; keep backward compatibility, also with XEmacs.  "~/" cannot be
> !   ;; returned, because there might be machines without a HOME
> !   ;; directory (like hydra).
> !   (and (< emacs-major-version 23) "/"))
>
>   (defun tramp-handle-set-visited-file-modtime (&optional time-list)
>     "Like `set-visited-file-modtime' for Tramp files."
> --8<---------------cut here---------------end--------------->8---
>
> Best regards, Michael.
>



-- 
David Hull

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