From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 22 Aug 2013 01:27:21 GMT
Subject: Re: [PATCH 3/3] Revert "bash prompt: avoid command substitution when finalizing gitstring"
Message-ID: <xmqq38q2sefa.fsf@gitster.dls.corp.google.com>
In-Reply-To: <CA+sFfMfa422PF1inOOeTBRE7HRqL5zwCJNagx9Ya0i_LbpwQcg@mail.gmail.com>

Brandon Casey <drafnel@gmail.com> writes:

> Why is "${var-}" necessary?  Wouldn't that be equivalent to "${var}"
> or "$var"?

set -u