GNU bug report logs - #7557
23.1; Flymake fails when used in conjunction with Tramp

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Kevin Montag <kmontag <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.1; Flymake fails when used in conjunction with Tramp
Date: Sat, 04 Dec 2010 19:51:01 -0800

When opening a remote PHP file using Tramp over SSH, a message box 
appears with the text "Flymake: Configuration error has occured while 
running (php -f index_flymake.php -l). Flymake will be switched OFF", 
and Flymake is not used.  If a copy of the file is opened locally, no 
message appears and Flymake works as expected.

Changing 'start-process' to 'start-file-process' in 
'flymake-start-syntax-check-process' of flymake.el (as suggested in 
http://groups.google.com/group/gnu.emacs.help/browse_thread/thread/dda14275ce2b8b02/d58b601f2b3be223) 
partially fixes the problem.  With this change, Flymake performs syntax 
checks on remote files without an error message - however, the buffer is 
marked as modified each time such a check is performed.


In GNU Emacs 23.1.1 (i486-pc-linux-gnu, GTK+ Version 2.20.0)
 of 2010-03-29 on rothera, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.10900000
configured using `configure  '--build=i486-linux-gnu' 
'--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' 
'--libexecdir=/usr/lib' '--localstatedir=/var/lib' 
'--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' 
'--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1/leim' 
'--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 
'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 
'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.utf8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: PHP

Minor modes in effect:
  shell-dirtrack-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  show-paren-mode: t
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent input:
C-x C-f <backspace> <backspace> / h e a r a s a y <backspace>
<backspace> <backspace> <backspace> s a y : / h o m
e / k e <tab> p u <tab> h e <tab> - <tab> i n d <tab>
<return> SPC SPC SPC SPC SPC SPC <backspace> <backspace>
<backspace> <backspace> <backspace> M-x r e p o <tab>
r <tab> <return>

Recent messages:
Loading tramp...done
Tramp: Opening connection for hearsay using scp...
Tramp: Waiting 60s for local shell to come up...
Tramp: Sending command `ssh hearsay   -q -e none && exit || exit'
Tramp: Waiting for prompts from remote shell
Tramp: Found remote shell prompt on `hearsay'
Wrote /tmp/tramp.7407ZEV.php
index.php has auto save data; consider M-x recover-this-file
Loading vc-hg...done
Making completion list...

Message #8 received at 7557 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: kmontag <at> cs.stanford.edu
Cc: 7557 <at> debbugs.gnu.org
Subject: Re: bug#7557: 23.1; Flymake fails when used in conjunction with Tramp
Date: Tue, 07 Dec 2010 20:47:44 +0100

Kevin Montag <kmontag <at> gmail.com> writes:

> Changing 'start-process' to 'start-file-process' in
> flymake-start-syntax-check-process' of flymake.el (as suggested in
> http://groups.google.com/group/gnu.emacs.help/browse_thread/thread/dda14275ce2b8b02/d58b601f2b3be223)
> partially fixes the problem.  With this change, Flymake performs
> syntax checks on remote files without an error message - however, the
> buffer is marked as modified each time such a check is performed.

I've changed tramp-handle-start-file-process not to set the modified
flag of the buffer. However, with the current Tramp in the emacs-23
branch other mysterious effects happen when enabling flymake-mode, which
are not reproducible with Emacs 23.1. I will continue to investigate.

Just to let you know ...

Best regards, Michael.

Message #11 received at 7557 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: kmontag <at> cs.stanford.edu
Cc: 7557 <at> debbugs.gnu.org
Subject: Re: bug#7557: 23.1; Flymake fails when used in conjunction with Tramp
Date: Wed, 08 Dec 2010 21:23:56 +0100

Kevin Montag <kmontag <at> gmail.com> writes:

> Changing 'start-process' to 'start-file-process' in
> flymake-start-syntax-check-process' of flymake.el (as suggested in
> http://groups.google.com/group/gnu.emacs.help/browse_thread/thread/dda14275ce2b8b02/d58b601f2b3be223)
> partially fixes the problem.  With this change, Flymake performs
> syntax checks on remote files without an error message - however, the
> buffer is marked as modified each time such a check is performed.

I've fixed this in the emacs-23 branch. Will be available with the
upcoming Emacs 23.3.

Best regards, Michael.

Message #14 received at 7557 <at> debbugs.gnu.org (full text, mbox):

From: Kevin Montag <kmontag <at> gmail.com>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: 7557 <at> debbugs.gnu.org
Subject: Re: bug#7557: 23.1; Flymake fails when used in conjunction with Tramp
Date: Wed, 08 Dec 2010 12:25:23 -0800

On 12/08/2010 12:23 PM, Michael Albinus wrote:
> Kevin Montag<kmontag <at> gmail.com>  writes:
>
>> Changing 'start-process' to 'start-file-process' in
>> flymake-start-syntax-check-process' of flymake.el (as suggested in
>> http://groups.google.com/group/gnu.emacs.help/browse_thread/thread/dda14275ce2b8b02/d58b601f2b3be223)
>> partially fixes the problem.  With this change, Flymake performs
>> syntax checks on remote files without an error message - however, the
>> buffer is marked as modified each time such a check is performed.
> I've fixed this in the emacs-23 branch. Will be available with the
> upcoming Emacs 23.3.
>
> Best regards, Michael.
Wonderful - thank you, Michael!

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