GNU bug report logs - #12804
24.1; vc-git does not recognize file under version control

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

From: Tom <adatgyujto <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.1; vc-git does not recognize file under version control
Date: Sun, 4 Nov 2012 19:44:34 +0000 (UTC)

I have a file under git and vc does not recognize it.
The path of the file has a space in it and I'm on 
Windows, that is the cause of the problem I suspect.

E.g. this is the path under git (note the space in 
"project name"):

    project name/src/file.java

I narrowed the problem to vc-git-registered which returns
nil on the file. This is the relevant check in the function
and my guess is name falls to two pieces when git is invoked
because it has a space in it and there are no quotes around
it, and therefore ls-files returns nothing, because it sees
two non existent paths (the two half pieces of the path
with space):

   (vc-git--out-ok "ls-files" "-c" "-z" "--" name)





In GNU Emacs 24.1.1 (i386-mingw-nt6.1.7601)
 of 2012-06-10 on MARVIN
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --with-gcc (4.6) --cflags
 -ID:/devel/emacs/libs/libXpm-3.5.8/include
 -ID:/devel/emacs/libs/libXpm-3.5.8/src
 -ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include
 -ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include
 -ID:/devel/emacs/libs/giflib-4.1.4-1/include
 -ID:/devel/emacs/libs/jpeg-6b-4/include
 -ID:/devel/emacs/libs/tiff-3.8.2-1/include
 -ID:/devel/emacs/libs/gnutls-3.0.9/include'

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: HUN
  value of $XMODIFIERS: nil
  locale-coding-system: cp1250
  default enable-multibyte-characters: t

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

From: Tom <adatgyujto <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#12804: 24.1;
	vc-git does not recognize file under version control
Date: Mon, 5 Nov 2012 08:08:30 +0000 (UTC)

Tom <adatgyujto <at> gmail.com> writes:

> 
> I have a file under git and vc does not recognize it.
> The path of the file has a space in it and I'm on 
> Windows, that is the cause of the problem I suspect.
> 

Turns out the problem also occurs with files without space 
in the name, so it can also be some local problem.

I'll keep investigating and post here if I have more info
on this.

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

From: Tom <adatgyujto <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#12804: 24.1;
	vc-git does not recognize file under version control
Date: Tue, 6 Nov 2012 17:53:44 +0000 (UTC)

Tom <adatgyujto <at> gmail.com> writes:

> 
> Turns out the problem also occurs with files without space 
> in the name, so it can also be some local problem.
> 
> I'll keep investigating and post here if I have more info
> on this.
> 
> 

Seems like space in the filename was the problem after all.
If Emacs calls git from the path then in my setup it
finds git.cmd which is a wrapper script and does not 
handle these paths properly. It can be fixed by setting
vc-git-program to git.exe instead.

So it's not an emacs bug, but a git problem, therefore
this bug report can be closed.

Message #14 received at 12804 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: adatgyujto <at> gmail.com
Cc: 12804 <at> debbugs.gnu.org
Subject: Re: bug#12804: 24.1; vc-git does not recognize file under version
	control
Date: Tue, 06 Nov 2012 22:01:00 +0400

Tom <adatgyujto <at> gmail.com> writes:

> Tom <adatgyujto <at> gmail.com> writes:
>
>>
>> Turns out the problem also occurs with files without space
>> in the name, so it can also be some local problem.
>>
>> I'll keep investigating and post here if I have more info
>> on this.
>>
>>
>
> Seems like space in the filename was the problem after all.
> If Emacs calls git from the path then in my setup it
> finds git.cmd which is a wrapper script and does not
> handle these paths properly. It can be fixed by setting
> vc-git-program to git.exe instead.
>
> So it's not an emacs bug, but a git problem, therefore
> this bug report can be closed.

It seems the very latest Git for Windows (Git-1.8.0-preview20121022)
solved this problem, as well as the performance overhead from calling
git.cmd from vc-git:

C:\Users\gutov>which git
C:\Program Files (x86)\Git\cmd\git.EXE

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