From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthias Lederhofer <matled@gmx.net>
Subject: Re: git-sh-setup.sh:cd_to_toplevel problematic with symlinks
Date: Tue, 7 Aug 2007 12:11:56 +0200
Message-ID: <20070807101155.GA19233@moooo.ath.cx>
References: <20070806161045.GA21815@moooo.ath.cx> <20070806211238.GA27363@informatik.uni-freiburg.de>
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To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= 
	<ukleinek@informatik.uni-freiburg.de>
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Your mail did not make it to the list, therefore I quote the full
mail.

Uwe Kleine-K=F6nig <ukleinek@informatik.uni-freiburg.de> wrote:
> Matthias Lederhofer wrote:
> > cd_to_toplevel takes the output of git rev-parse --show-cdup and fe=
eds
> > it to cd.  The problem is that cd uses PWD to do what the user mean=
s
> > when saying cd .., i.e. it goes to /foo when in /foo/bar even thoug=
h
> > /foo/bar might be a symlink.  Example:
> >=20
> >     (in an existing git repository)
> >     /tmp/foo$ mkdir -p a/b
> >     /tmp/foo$ ln -s a/b c
> >     /tmp/foo$ cd c
> >     /tmp/foo/c$ git fetch . master:master
> >     git-fetch: line 108: /FETCH_HEAD: Permission denied
> >=20
> > Is there any way to tell cd to ignore $PWD?
> cd -P ... does the trick.  IIRC it's in SUSv3, but once more, Solaris
> /bin/sh doesn't know about that option:
>=20
> 	login@~ > uname -a
> 	SunOS login 5.10 Generic_125100-10 sun4u sparc
>=20
> 	login@~ > /bin/sh
>=20
> 	$ mkdir /tmp/foo; cd /tmp/foo
>=20
> 	$ git init
> 	Initialized empty Git repository in .git/
>=20
> 	$ mkdir -p a/b; ln -s a/b c; cd c
>=20
> 	$ git rev-parse --show-cdup
> 	../../
>=20
> 	$ cd -P ../../
> 	-P: does not exist

Do we care about that shell?  There was another thread about shell
script cleanup where the default sun /bin/sh doesn't support some
other features from the git shell scripts too.