From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: git on MacOSX and files with decomposed utf-8 file names
Date: Wed, 23 Jan 2008 13:19:45 -0800
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Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Peter Karlsson <peter@softwolves.pp.se>,
	Mark Junker <mjscod@web.de>,
	Pedro Melo <melo@simplicidade.org>,
	"git@vger.kernel.org" <git@vger.kernel.org>
To: Nicolas Pitre <nico@cam.org>
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In-Reply-To: <alpine.LFD.1.00.0801230923450.22568@xanadu.home> (Nicolas
	Pitre's message of "Wed, 23 Jan 2008 09:26:06 -0500 (EST)")
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Nicolas Pitre <nico@cam.org> writes:

> On Tue, 22 Jan 2008, Junio C Hamano wrote:
>
>> ebiederm@xmission.com (Eric W. Biederman) writes:
>> 
>> > Random thought.  Would it make sense to implement a git paranoid
>> > mode to autodetect name mangling.
>> >
>> > I.e.  After opening or creating a file by name we do a readdir in the
>> > same directory to make certain we can find that same name/inode
>> > combination.  Then on name-mangling systems we can autodetect they
>> > exist and limit ourselves to just what they don't mangle with no
>> > prior knowledge.  By refusing to process names that actively
>> > get mangled.   For small directories that you frequently see in
>> > development it shouldn't even be that slow.
>> 
>> Inside init-db where we already check how the filesystem
>> behaves, we could have an autodetection.
>
> I wonder if that is good enough.  Git repositories can be copied over to 
> different filesystems.

Do you mean "cp -a"?  If I am not mistaken we already have that
issue, due to core.filemode, when user does that across
filesystems with different behaviours.

There is not much we can do against "cp -a" other than telling
users that some configurations need to be adjusted.