Does svn client binary honors LANG env variable on Windows?

[Thorsten Schöning]

Hi all,

I'm using the PHP webapp WebSVN and ran into encoding problems with
file names in my Linux environment when e.g. creating downloadable
Zipr or Tars using WebSVN. I worked around those problems using a

#!/bin/sh
export LC_CTYPE=de_DE.UTF-8
svn $*

Other people fixed this differently by using setlocale in WebSVN

// Make sure that the input locale is set up correctly
setlocale(LC_ALL, $config->getLocale());
$cmd = $this->svnCommandString('blame', $path, $rev, $peg).' > '.quote($filename);
if ($config->getLocale() != null)
$cmd = "LANG=".setlocale(LC_ALL, 0)." ".$cmd;

A command line like this doesn't work on Windows, it at least needs a
different syntax. I know the needed syntax and all but am not sure if
it is even necessary to handle Windows specifically the same way.

I think this depends on if the svn binary honors the env var LANG on
Windows at all? PHP itself simply executes "cmd.exe /C '...' in the
end. So which encoding is used in this case with and without setting a
LANG variable? I have the feeling it's that of the invoked cmd.exe
process in both cases because APR handles that specially for Windows?

Thanks!

Mit freundlichen Grüßen,

Thorsten Schöning
--
Thorsten Schöning E-Mail: ***@AM-SoFT.de
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[Branko Čibej]

Post by Thorsten Schöning
Hi all,
I'm using the PHP webapp WebSVN and ran into encoding problems with
file names in my Linux environment when e.g. creating downloadable
Zipr or Tars using WebSVN. I worked around those problems using a

#!/bin/sh
export LC_CTYPE=de_DE.UTF-8
svn $*

Other people fixed this differently by using setlocale in WebSVN

// Make sure that the input locale is set up correctly
setlocale(LC_ALL, $config->getLocale());
$cmd = $this->svnCommandString('blame', $path, $rev, $peg).' > '.quote($filename);
if ($config->getLocale() != null)
$cmd = "LANG=".setlocale(LC_ALL, 0)." ".$cmd;

A command line like this doesn't work on Windows, it at least needs a
different syntax. I know the needed syntax and all but am not sure if
it is even necessary to handle Windows specifically the same way.
I think this depends on if the svn binary honors the env var LANG on
Windows at all? PHP itself simply executes "cmd.exe /C '...' in the
end. So which encoding is used in this case with and without setting a
LANG variable? I have the feeling it's that of the invoked cmd.exe
process in both cases because APR handles that specially for Windows?

On Windows, the locale is a system-wide property and it's not defined by
environment variables. Nor does Subversion look at the environment, on
any platform; it uses the C setlocale() function to set the default
locale from the environment. On Unix, that ends up looking at
environment variables; on Windows, it uses a different mechanism.

Also, on Windows, Subversion (or rather, APR) knows that file names are
always written as Unicode, regardless of the system locale.

Since Subversion is not the tool that's creating your ZIP or TAR
packages, any encoding problems are more likely caused by the
surrounding (PHP/WebSVN) code.

-- Brane