From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 23 May 2011 19:59:34 GMT
Subject: Re: [PATCH 3/3] git-mergetool--lib: Make vimdiff retain the current directory
Message-ID: <7vipt1ur15.fsf@alter.siamese.dyndns.org>
In-Reply-To: <1306058229-93800-3-git-send-email-davvid@gmail.com>

David Aguilar <davvid@gmail.com> writes:

> +resolve_git_prefix() {
> +	# If GIT_PREFIX is empty then we cannot use it in tools
> +	# that expect to be able to chdir() to its value.
> +	if test -z "$GIT_PREFIX"; then
> +		GIT_PREFIX=.
> +		export GIT_PREFIX
> +	fi
> +}

Does this "export" have to be conditional?  Otherwise, it would be simpler
to do this upfront at the beginning:

    : GIT_PREFIX=${GIT_PREFIX:-.}