From: Alex Riesen <raa.lkml@gmail.com>
Date: Thu, 26 Apr 2007 08:20:29 GMT
Subject: Re: [PATCH] Change git-rev-parse --show-cdup to output an absolute path
Message-ID: <81b0412b0704260120mda8a2abhe343f5c127945939@mail.gmail.com>
In-Reply-To: <20070425232829.GA15930@midwinter.com>

On 4/26/07, koreth@midwinter.com <koreth@midwinter.com> wrote:
> I have a symlink pointing to a subdirectory of a repo of mine. If I cd
> to that symlink, some shell-script git commands don't work.  Shell scripts
> use the PWD environment variable as the working directory, and the chain
> of "../"s from git-rev-parse --show-cdup just peels entries off that
> variable. That's fine when PWD is a real path, but not so great when it's
> a reference to a symlink from an outside directory.

Your implementation will fail if cwd is longer than PATH_MAX.
Does not happen often, though.

> A typical failure case:
>
> $ git clone git://whatever.git foobar
> $ ln -s foobar/src/tools/misc/myapp myapp
> $ cd myapp

Which is a strange thing to do. What is that for?
myapp is kind of outside the git repo foobar.