From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 03 Dec 2008 07:20:27 GMT
Subject: Re: [PATCH] git-sh-setup: Fix scripts whose PWD is a symlink into a git work-dir
Message-ID: <7viqq1hghw.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <1228282020-2294-1-git-send-email-marcel@oak.homeunix.org>

"Marcel M. Cary" <marcel@oak.homeunix.org> writes:

> If cd_to_toplevel had concatenated $(/bin/pwd) with $cdup to
> avoid the separate "cd", it would require checking for $cdup
> being an absolute path.  I wasn't sure how to check that in
> a way that is both portable and clearly faster than "cd",

    case "$v" in
    /*) : handle absolute path ;;
    *) : everything else ;;
    esac

In all shells that support "case..esac", it is built-in.

Having said that, I think it would probably be better to bite the bullet
and start using "cd -P" soon after 1.6.1 goes final, and at the same time
existing places that use "cd `pwd`" as a workaround if there are some.