Re: git-sh-setup.sh:cd_to_toplevel problematic with symlinks

> Matthias Lederhofer wrote:
> > cd_to_toplevel takes the output of git rev-parse --show-cdup and feeds
> > it to cd.  The problem is that cd uses PWD to do what the user means
> > when saying cd .., i.e. it goes to /foo when in /foo/bar even though
> > /foo/bar might be a symlink.  Example:
> > 
> >     (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
> > 
> > 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:
> 
> 	login@~ > uname -a
> 	SunOS login 5.10 Generic_125100-10 sun4u sparc
> 
> 	login@~ > /bin/sh
> 
> 	$ mkdir /tmp/foo; cd /tmp/foo
> 
> 	$ git init
> 	Initialized empty Git repository in .git/
> 
> 	$ mkdir -p a/b; ln -s a/b c; cd c
> 
> 	$ git rev-parse --show-cdup
> 	../../
> 
> 	$ cd -P ../../
> 	-P: does not exist