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From: Andreas Ericsson <ae@op5•se>
To: Johannes Sixt <j.sixt@viscovery•net>
Cc: Robin Rosenberg <robin.rosenberg@dewire•com>,
	gitster@pobox•com, git@vger•kernel.org, spearce@spearce•org
Subject: Re: [PATCH] Disallow '\' in ref names
Date: Fri, 08 May 2009 09:46:11 +0200	[thread overview]
Message-ID: <4A03E343.4020000@op5.se> (raw)
In-Reply-To: <4A03DC9C.2050204@viscovery.net>

Johannes Sixt wrote:
> Andreas Ericsson schrieb:
>> Robin Rosenberg wrote:
>>> This is asking for trouble since '\' is a directory separator in
>>> Windows and thus may produce unpredictable results.
>>>
>> NAK. We allow / on unixy systems, and that's the path separator there.
>> Junio even makes extensive use of it to create per-contributor
>> namespaces for topic-branches.
>>
>> Are you guessing this might be a problem in the future, or have you
>> actually run into it?
> 
> This is not possible on Windows:
> 
> $ git update-ref refs/heads/foo\bar HEAD
> fatal: Unable to create '.git/refs/heads/foo\bar.lock': No such file or
> directory
> 
> The problem is that git doesn't create the directory .git/refs/heads/foo
> because the ref handling only mkdir()s directories that were split off
> from the ref at forward-slashes.
> 

Ok. Isn't the slash -> backslash conversion thing supposed to be done by
a macro? I seem to remember something about PATH_DELIM.

> The decision not to mangle command line arguments that are refs (on
> Windows) was intentional. (We do mangle pathspec, i.e. we convert '\' to
> '/'.) But back then I did not think about what should happen if a ref
> contains a backslash.
> 

But what about when locating directory cutoffs for mkdir() stuff?

-- 
Andreas Ericsson                   andreas.ericsson@op5•se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

Register now for Nordic Meet on Nagios, June 3-4 in Stockholm
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Considering the successes of the wars on alcohol, poverty, drugs and
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on peace.

  reply	other threads:[~2009-05-08  7:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-08  5:32 [PATCH] Disallow '\' in ref names Robin Rosenberg
2009-05-08  6:55 ` Andreas Ericsson
2009-05-08  7:17   ` Johannes Sixt
2009-05-08  7:46     ` Andreas Ericsson [this message]
2009-05-08  8:04       ` Johannes Sixt
2009-05-08  7:54 ` Michael J Gruber

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